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In the early stage of the COVID-19 outbreak, a vast majority of research predicted its potential economic impacts based on various possible scenarios, believing that looking forward earlier and recovering better. In contrast, through contrarian thinking from an economic recovery perspective, this study empirically investigates the direct impact of COVID-19 on China's economy. This reveals that China's economy experiences a V-shaped recovery; it is in the recovery process and will achieve the pre-pandemic level in the coming years. Consumption, international trade, and investment indicators are synchronously recovering, which may be attributed to the fact that the pandemic has had little impact on China's economy, although it remarkably hits national consumption, international trade, and investment that are less interrupted. Empirical evidence shows that the pandemic is unlikely to alter China's industrial structure, as it has primarily affected the service and manufacturing sectors while leaving agriculture relatively unaffected. In light of these findings, China's economy is facing challenges beyond the pandemic. By adopting a recovery-oriented contrarian approach, we can better identify the dynamic consequences and optimize economic strategies to mitigate potential long-term impacts on sustainable economic growth. These insights may also help guide economic recovery efforts in other developing countries. [ABSTRACT FROM AUTHOR]

Sulfide-based pathways for generating nitrite to sustain anaerobic ammonium oxidation (anammox) have garnered increasing attention. However, the presence of sulfide can also impact the anammox process, necessitating a comprehensive understanding of both its short-term and long-term effects on anammox. This study aimed to investigate the influence of sulfide on anammox, including its effects on the microbial community and process kinetics. During long-term operation, the maximum sulfide dosage tested was 30 mg S/L over 50 days of operation, exhibiting good nitrogen removal efficiency of 83.9%±4.8%. Conversely, under short-term exposure to sulfide, nitrogen removal efficiency was notably affected, decreasing to 68.98% at a considerably lower sulfide concentration of only 16 mg S/L. Within the context of long-term sulfide exposure, the maximum contribution of anammox to nitrogen removal reached 86.72% at a sulfide dosage of 25 mg S/L. However, when the influent sulfide concentration was increased to 50 mg/L , the contribution of anammox to nitrogen removal sharply declined to 41.3%. Microbial community analysis revealed as the sulfide concentration increased from 8 to 16 mg S/L , the abundance of anammox bacteria decreased from 2.46×105 to 1.67×105 copies/mL, whereas the abundance of Nitrobacter spp. increased from 2.73×102 to 8.13×102 copies/mL. However, during long-term operation, there was a more pronounced decrease in the microbial abundance of anammox, reducing from 5.3×105 to 3.77×102 copies/mL. Taking this decrease together with the improved efficiency of anammox observed during long-term operation, these findings suggest that sulfide's influence on anammox primarily impacts its metabolic activity rather than its microbial abundance. [ABSTRACT FROM AUTHOR]

Indian banks utilize the Insolvency and Bankruptcy Code (IBC) as a recuperation the board method to manage their NPA levels notwithstanding the Obligation Recuperation Council (DRT), the Sarfesi Act, and the Lok Adalat. Insolvency and bankruptcy procedures in India presently have a careful lawful design thanks to the IBC, which was executed in 2016. The Insolvency and Bankruptcy Board of India (IBBI) is an administrative body set up under the IBC to screen its application. Research shows that Indian banks' recuperation the board rehearses have worked on because of the IBC. Further developed recuperation rates and lower NPA levels have come about because of this time-restricted and loan boss driven goal process. The IBC has likewise helped accelerate the goal of insolvency cases, which is great for the Indian financial industry overall. As indicated by the review's outcomes, the DRT, the Sarfesi Act, Lok Adalat, and the IBC are crucial instruments for decreasing nonperforming advances at Indian monetary foundations. The general condition of the Indian financial industry will profit from more effective and fruitful NPA goal, which is conceivable with better recuperation the executives techniques. [ABSTRACT FROM AUTHOR]

A novel fast-switching P-poly trench collector reverse-conducting insulated gate bipolar transistor (RC-IGBT) with different N-buffer position (DBP) is proposed and investigated. Firstly, the N-buffer on P-poly Trench-Collector (TC) not on P+ and N+ collector will unaffected realize snapback-free with and without interface charge exist in the forward conduction. Secondly, N-buffer on TC can keep the fast extraction channel to the N+ collector open all the time, so that the ultralow turn-off loss (E OFF) can be achieved in IGBT mode, and the reverse recovery charge (Q rr) can be reduced in diode mode. Thirdly, N-buffer on TC makes the electric field distribution more uniform during forward blocking, thus further improving the breakdown voltage (BV). Fourth, N-buffer on TC can also provide more electrons to reduce forward peak recovery voltage (V FRM) during diode forward recovery mode. Compared with PNTC RC-IGBT, the proposed RC-IGBT enjoys lager breakdown voltage, and can reduce V FRM by 83%, Q rr by 27%, and the E OFF by 36%. [ABSTRACT FROM AUTHOR]

Recovery of plants after water stress events represents their high suitability for the urban condition areas. Reaction to drought and recovery of woody plants Cornus mas L., Lonicera caerulea L. and perennials Alchemilla mollis (Buser) Rothm., Geranium maculatum L., Geranium x magnificum Hyl. ‘Rosemoor’ and Geranium ‘Philippe Vapelle’ were evaluate. Within a pot experiment the non‑destructive methods of monitoring: measurement of chlorophyll content using chlorophyll meter CL‑01, leaf stomatal conductance using Delta T Leaf porometer AP4 and modulated chlorophyll fluorescence using Hansatech FMS 1 were chosen. Based upon our results we may demonstrate different protective mechanisms of plants in water stress conditions. An increase in the chlorophyll concentration in stress‑exposed tissues and recovery of stomatal conductance in Cornus mas L. and in Alchemilla mollis (Buser) Rothm. were observed. In Cornus mas L. and Lonicera caerulea L. the early recovery of parameter ɸPSII (after 2 days of re‑watering) and the delayed recovery (after 6 days of re‑watering) in Geranium plants and Alchemilla mollis (Buser) Rothm.) were shown.

Banking system acts as a conduit for transfer of financial resources from net savers to net borrowers and plays a key role in mobilization and allocation of domestic savings. In a resource-scarce country like India, balanced development of the economy necessitates speedier and heftier transfer of financial resources to the sectors relatively more starved of the same. Hence the need to align the rural financial system to the developmental goals of the country through an effective process of credit planning. The paper traces the evolution of credit planning as a rural finance initiative in India, discusses various inadequacies still affecting the process and offers suggestions for addressing the issues related to these inadequacies. It concludes that efficacy of the system hinges critically on effective co-ordination among all stakeholders in the development process including notably the lending institutions, the government and the civil society. [ABSTRACT FROM AUTHOR]

The Distributed Modulated Wideband Converter (DMWC) is a networking system developed from the Modulated Wideband Converter, which converts all sampling channels into sensing nodes with number variables to implement signal undersampling. When the number of sparse subbands changes, the number of nodes can be adjusted flexibly to improve the reconstruction rate. Owing to the different attenuations of distributed nodes in different locations, it is worthwhile to find out how to select the optimal sensing node as the sampling channel. This paper proposes the spectrum sensing of DMWC based on a Markov random field (MRF) to select the ideal node, which is compared to the image edge segmentation. The attenuation of the candidate nodes is estimated based on the attenuation of the neighboring nodes that have participated in the DMWC system. Theoretical analysis and numerical simulations show that neighboring attenuation plays an important role in determining the node selection, and selecting the node using MRF can avoid serious transmission attenuation. Furthermore, DMWC can greatly improve recovery performance by using a Markov random field compared with random selection.

To take into account the invisibility, recovery quality, detection ability, and security, a new digital image fragile watermarking method based on block truncation coding (BTC) and quantum chaos map is proposed. In this method generates the authentication watermark for each 4 × 4 block and generates the recovery watermark for each 2 × 2 block by block truncation coding. For each block, the block truncation coding is used to classify the image blocks into smooth blocks and rough blocks. For different blocks, recovery data can be generated by allocating fewer bits to the smooth blocks and more bits to the rough blocks to encoding the block content. Quantum chaos map is used to generate the block mapping sequence for embedding recovery watermark to improve the shortcoming of watermarking such as small keyspace and low security. The experimental results show that the proposed scheme improves the quality of watermarked and recovered images. Additionally, this approach achieves higher security than the existing methods, under different attacks, such as general tampering, collage attack, content-only, and a hybrid attack. [ABSTRACT FROM AUTHOR]

A sequencing batch reactor (SBR) was operated more than 200 d to treat nitrogen-rich saline wastewater by anammox process. The temperature was controlled at 35 ± 0.5 °C and the mixed liquor suspended solids (MLSS) was around 4000 mg TSS/L. Anammox reactor could gradually acclimate to 100% seawater. However, the long-term effects of 50% seawater not only affected nitrogen removal performance, resulting in a decrease of nitrogen removal rate (NRR) to 0.114 kg N/(m 3 ·d), but also weakened sludge settling ability. The effect resulting from 50% seawater was reversible and the NRR gradually increased to 0.419 kg N/(m 3 ·d) by adding sponge carriers. Analysis of variance (ANOVA) test shown that △NO 3 − -N/△NH 4 + -N ratio was significantly different ( p  < 0.05) under different seawater content. After inhibition resulting from 100% seawater, the response process of anammox could be divided into three periods. At 100% seawater, nitrogen removal performance of anammox reactor was affected when influent nitrite was higher than 150 mg N/L (NO 2 − -N inf /NH 4 + -N inf  = 1.37 ± 0.02). Luong model was suitable to analyze inhibitory effect resulting from nitrite under saline surroundings. [ABSTRACT FROM AUTHOR]

This article focused on the effect of radiation vulcanization on the mechanical properties and the aging resistance performance in hot oil of the hydrogenated nitrile butadiene rubber (HNBR). The effect of absorbed dose on micromorphology, mechanical properties and thermal stability of radiation vulcanized HNBR (RV-HNBR) was investigated. The fractured surface of the HNBR systems was inspected in scanning electron microscope (SEM). SEM investigation showed that the cross-linked structure was more complete by the γ-ray radiation than heat vulcanization. A study of the compression permanent set property and tensile property of γ-ray radiation vulcanized HNBR was presented. Compared with heat vulcanized HNBR (HV-HNBR), RV-HNBR exhibited outstanding compression recovery performance after immersed in IRM 903 oil at 150 °C for 24 h. The compression-resilience property and the dimensional stability were improved with the absorbed dose increasing. When the absorbed dose was 250 kGy, the compression permanent was 40.1%. The good resistance to hot oil bring radiation vulcanized HNBR to meet many of the most stringent sealing application requirements. [ABSTRACT FROM AUTHOR]

The Distributed Modulated Wideband Converter (DMWC) is a networking system developed from the Modulated Wideband Converter, which converts all sampling channels into sensing nodes with number variables to implement signal undersampling. When the number of sparse subbands changes, the number of nodes can be adjusted flexibly to improve the reconstruction rate. Owing to the different attenuations of distributed nodes in different locations, it is worthwhile to find out how to select the optimal sensing node as the sampling channel. This paper proposes the spectrum sensing of DMWC based on a Markov random field (MRF) to select the ideal node, which is compared to the image edge segmentation. The attenuation of the candidate nodes is estimated based on the attenuation of the neighboring nodes that have participated in the DMWC system. Theoretical analysis and numerical simulations show that neighboring attenuation plays an important role in determining the node selection, and selecting the node using MRF can avoid serious transmission attenuation. Furthermore, DMWC can greatly improve recovery performance by using a Markov random field compared with random selection. [ABSTRACT FROM AUTHOR]

The purpose of this study was to assess the effectiveness of a specific exercise intervention of mechanisms to control dynamic postural stability under unstable conditions in old adults. Forty‐seven old adults (65‐80 years) were assigned to 2 experimental groups (muscle strength group, n = 15; perturbation‐based group, n = 16) and a control group (n = 16). The strength group performed resistance exercises for leg and trunk muscles, while the perturbation‐based group exercised mechanisms of dynamic stability under unstable conditions. The training duration was 14 weeks, with training sessions twice a week for 1.5 hours. Muscle strength, balance ability, and balance recovery performance were investigated before and after the interventions using maximal isometric plantar flexion and knee extension contractions, the approach of the center of pressure to the anterior limits of stability and simulated forward falls. Both interventions increased balance recovery performance in simulated forward falls (81%, d = 1.50 and 80%, d = 1.08 in the muscle strength and perturbation‐based group, respectively), while the control group did not show any changes. Plantar flexor strength increased 20% (d = 0.72) in the muscle strength and 23% (d = 1.03) in the perturbation‐based group, while muscle strength of the knee extensors increased only in the muscle strength group (8%, d = 0.76). On the other hand, only the perturbation‐based group showed a significant improvement of standing balance ability (38%, d = 1.61). We conclude that a perturbation‐based training program focusing on exercising mechanisms of dynamic stability in unstable conditions has the potential to enhance muscle strength as well as sensory information processing within the motor system during sudden and static balance tasks and, as a consequence, reduce the risk of falls in old adults. [ABSTRACT FROM AUTHOR]

Mathematical models were developed in this study to quantify the gas and water transfer between coal matrix and cleat network during coalbed methane (CBM) drainage, which can be helpful to achieve some useful findings on features of fluid migration within coal reservoirs during drainage process. A typical CBM well located at southern Qinshui basin of China was selected as the case study. The ineffective critical porosity was defined and was used to acquire fluid transfer as a key parameter of the established model. Results showed that both the gas and water transfer controlled the drainage performances. Water drained from cleat was found to be the main reason for the decrease in the reservoir pressure at the early drainage stage, while the water transfer became significantly more important with the continuation of the drainage process. The first peak of gas production was controlled by gas desorption, and the subsequent peaks were influenced by the gas transfer. [ABSTRACT FROM AUTHOR]

• Comparison of the property of three types of deformation-adapted binders. • Propose a mixture design method for deformation-adapted mixtures. • Evaluation of three deformation-adapted mixtures' road and recovery performance. In this study, three deformation-adapted binders (rubber asphalt [RA], modified asphalt [MA], and polyurethane [PU]) and their mixtures were selected as the research objects to determine their performances under the same evaluation indices. First, the high-temperature, low-temperature, compressive, and tensile properties of three deformation-adapted binders were examined by performing anti-flow, low-temperature flexibility, compression permanent deformation, and tensile tests, respectively. Second, the road and recovery performance of the deformation-adapted mixtures were investigated through rutting, Marshall stability, low-temperature trabecular bending, tensile and Overlay Tester tests. From the extracted outcomes, it was demonstrated that, among the three deformation-adapted binders, PU exhibited superior high-temperature, low-temperature, compression, and tensile characteristics, followed by MA and RA. Furthermore, the deformation-adapted mixture of PU displayed the best high-temperature, low-temperature, water stability, and fatigue crack resistance performance. The deformation-adapted mixtures of RA and MA also had excellent performance in terms of tensile, compression, and strength recovery characteristics. Notably, the deformation-adapted mixtures of PU only exhibited excellent tensile and compression recovery properties, while the strength recovery properties were not good. [ABSTRACT FROM AUTHOR]

The mechanism of water infiltration into a single-walled carbon nanotube (SWCNT) was investigated based on the molecular dynamics simulation. The influence of chemical functionalization treatment on unsaturated carbon atoms at the entrance of a SWCNT was explored. The chemical functionalisation treatment with hydroxyl groups can effectively reduce the critical pressure barrier and facilitate water molecules to invade a SWCNT. Conversely, the hydrogen groups can intensify the non-wetting ability of a SWCNT. In addition, the hydrogenated entrance system is of higher recovery performance under dynamic loading, while the system with hydroxylated entrance shows poor performance. The observed unique mechanisms provide a possible method in energy absorption and conversion. [ABSTRACT FROM AUTHOR]

This paper analyzes the recovery performance when a Toeplitz block matrix is used for sampling in compressed sensing. Different from current work that mainly discusses the restricted isometry property and the applications of such matrix, we provide an upper bound for the mean squared reconstruction error. By comparing with the random matrix in which its entries are drawn independently from certain probability distributions, the results show that the Toeplitz block matrix is efficient for compressed sampling. Simulation results validate that the sampling performance of Toeplitz block matrix can approach that of random matrix by choosing its parameters properly. [ABSTRACT FROM AUTHOR]

The prediction of the recovery performance for Steam-Assisted-Gravity-Drainage (SAGD) process is becoming increasingly important as the SAGD projects all over the world continue to increase. Currently most of these models are analytical or semi-analytical methods, and the predicting process is much complicated. In this paper, based on the grey system theory, we developed a weighted grey correlation model. Aiming at a typical thick heavy oil reservoir from Bohai offshore oilfield, China, the influences of reservoir/fluid parameters and operation parameters on SAGD recovery performance are comprehensively evaluated through this model. And a sensitive sequence of each parameter is derived to reflect the sensitive degree. Thus a static multi-parameter correlation is proposed to predict the oil recovery factor and cumulative oil-steam ratio (COSR) of SAGD process. Then, this correlation is used to predict the SAGD recovery performance in some potential thick heavy oil reservoirs of Bohai oilfield and the results are compared against the numerical simulation models. Thereafter, we investigate some successful and operating SAGD projects around the world and use the correlation to estimate the recovery performance of them. This correlation is a static method to predict the recovery performance of SAGD process and it could be used to successfully predict the recovery performance of SAGD projects. [ABSTRACT FROM AUTHOR]

Employees are often sandwiched between understandable customer grievances and unchangeable organizational policies: only when employees feel fairly treated will they treat customers fairly. Most previous studies focused on external service recovery systems for customers, but neglected internal service recovery systems for frontline employees. By extending Homburg and Fürst's research, this study adopts a multi-level perspective to explore the influences of the mechanistic approach (process guidelines, behaviour guidelines, and compensation guidelines) and the organic approach of service recovery (empowerment and recovery culture) on frontline employees' responses (recovery efficacy, accountability, and performance) towards implementing a service recovery within an online auction context. [ABSTRACT FROM AUTHOR]

Both aluminum (Al) and copper (Cu), acting as transmission lines in the hydrogenated amorphous silicon of a thin film transistor (a-Si:H TFT), were studied to investigate electrical degradation including electron-migration (EM) and threshold voltage ( V t ) stability and recovery performance. Under long-term current stress, the Cu material exhibited excellent resistance to EM properties, but a passivated SiN x crack was observed due to fast heat conductivity. By applying electrical stress on the gate and drain for 5 × 10 4 s, the power-law time dependency of the threshold voltage shift (Δ V t ) indicated that the defective state creation dominated the TFT device’s instability. The presence of drain stress increased the overall Δ V t because the high longitudinal field induced impact ionization and then, enhanced hot-carrier-induced electron trapping within the gate SiN x dielectric. An annealing effect prompted a stressed a-Si:H TFT back to virgin status. This study proposes better Δ V t stability and excellent resistance against electron-migration in a Cu gate device which can be considered as a candidate for a transmission line on prolonged TFT applications. [ABSTRACT FROM AUTHOR]

In this work, recovery performance of a novel sort of form stable phase change materials (FSPCMs) with simultaneously shape memory properties was investigated systematically. The FSPCMs comprising hexadecane as latent heat storage material and olefin block copolymer (OBC) as supporting material were prepared by simple swelling preparation method. This kind of difunctional materials exhibits fantastic shape memory properties with mass fraction of hexadecane reaching 70 wt%, which indicates excellent energy storage ability as well. It is found that the recovery performance under 50% strain is obviously better than that under higher strains for all the specimens investigated, while surprisingly, the composite with 70 wt% hexadecane exhibits better recovery performance than pure OBC as well as the composite with 30 wt% hexadecane at strains of 100 and 200%. The structural change brought by incorporation of hexadecane was explored with in situ two-dimensional X-ray scattering measurements. According to experiment results, we find that the recovery performance is closely correlated to change of long period, indicating the irreversible deformation of the difunctional materials may originate from lamellar fragmentation of OBC, while addition of massive hexadecane is beneficial to restrain lamellar fragmentation and thus improves the recovery performance. We believe this exploration may shed light on comprehending the relationship between structural change and shape memory performance, thus contributing to adjusting the properties of the difunctional materials and expanding their potential applications. [ABSTRACT FROM AUTHOR]

The triple porosity/dual permeability (TPDP) model is an advanced coalbed methane (CBM) model for recovery simulation, which processes CBM flows via desorption and diffusion into permeation pores and moves sequentially via Darcy flow through permeation pores and cleats, and, finally, into the wellbore. Based on this theory, this paper describes the mathematical models of desorption, diffusion and permeation during CBM drainage; conducts the measurements of routine core analyses to obtain fluid characteristics, rock mechanics, coal seam domain, diffusion pore property and fracturing property, and nuclear magnetic resonance to acquire porosity and permeability of permeation pores and cleats; and, finally, takes a typical CBM well named QSDU01, located in the Qinshui basin in China, as an example to simulate its recovery performance. The following conclusions are reached. Compared with a dual porosity/single permeability (DPSP) model, the TPDP model is more advanced and can effectively eliminate the slight nonconformities caused by the DPSP model. Reservoir pressure, gas content, porosity and permeability initially decrease rapidly and subsequently slow during the CBM drainage process. The decreased amplitudes of parameters become larger as the distance to the wellbore decreases. Variations of parameters can be divided into two stages, corresponding with the stages of free gas drainage and desorbed gas drainage. The decreased amplitudes of parameters are quite small in the first stage and relatively larger in the second stage. Gas peaks lead to the turning points of the variation curves and cause the variation curves to exhibit a type of multisection. [ABSTRACT FROM AUTHOR]

Unexpected changes during gait challenge elderly individuals to a greater degree than young adults. However, the adaptive potential of elderly seems to be retained, and therefore, the training of the mechanisms of dynamic stability as well as muscle strength training may improve the dynamic stability after unexpected perturbations. Thirty-eight subjects (65-75 years) participated in the study, divided into two experimental groups (stability training group, ST, n = 14 and mixed training group, MT, n = 14) and a control group (CG, n = 10). Both experimental groups performed exercises which focused on the mechanisms of dynamic stability. Additionally, the MT group executed a training to improve muscle strength. Session volume and duration were equal for both groups (14 weeks, twice a week, ~1.5 h per session). Pre- and post-intervention, subjects performed a gait protocol with an induced unexpected perturbation. Post-intervention, the margin of stability was significantly increased after the unexpected perturbation in the ST group, indicating an improvement in stability state (pre, −30.3 ± 5.9 cm; post, −24.1 ± 5.2 cm). Further, both intervention groups increased their base of support after the intervention to regain balance after gait perturbation, whereas only the ST group showed a statistically significant improvement (ST, 90.9 ± 6.6 cm, ST, 98.2 ± 8.5 cm; MT, 91.4 ± 6.2 cm; MT, 97.9 ± 12.7 cm). The CG showed no differences between pre- and post-measurements. The exercise of the mechanisms of dynamic stability led to a better application of these mechanisms after an unexpected perturbation during gait. We suggest that the repeated exercise of the mechanisms of dynamic stability contributes to significant improvements in postural stability. Additional strength training for healthy elderly individuals, however, shows no further effect on the ability to recover balance after unexpected perturbations during gait. [ABSTRACT FROM AUTHOR]

Highlights: [•] The inhibition of ANAMMOX performance induced by phenol or sulfide was restorable. [•] The recovery performance after phenol or sulfide inhibition was presented. [•] The changes observed in sludge characteristics were provided. [•] Three models were applied to simulate the recovery performance. [ABSTRACT FROM AUTHOR]

The analysis on the recovery performance and characteristics in shape memory effects is helpful for the optimal design and engineering applications of shape memory polymers and their composites. To investigate the relationships among recovery performance, material parameters, and loading conditions, by taking aliphatic polyether urethane as an example, the researchers simulate the shape memory behaviors numerically using a three-dimensional viscoelastic model. The material parameters for this model are taken from stress relaxation tests, rather than dynamic mechanical analysis tests. Both the unconstrained and the constrained recovery behaviors during strain-controlled shape memory processes are analyzed. The results reveal that the unconstrained recovery occurs at the same temperature regardless of the applied strain values. Another interesting result is that the shape recovery temperature in unconstrained recovery situations increases and the maximum recovery stress under constrained recovery conditions decreases with the increase of heating rates. Copyright © 2013 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]

Non-uniform distribution of biomass and the accumulation of excess biomass at the inlet of a unidirectional flow biotrickling filter (UF-BTF) may lead to severe operating problems including increasing airflow resistance in packed bed, clogging, and low contaminant removal efficiencies, even performance loss. Therefore, a flow-directional-switching biotrickling filter (FDS-BTF) was designed to improve performance such as the maximum elimination capacity and elimination efficiency. Toluene was chosen as the unique carbon source for microorganism. The results indicated that the purification performance of FDS-BTF was superior to UF-BTF. The maximum elimination capacity of FDS-BTF was up to 480 g/(m3 h), which was 17.1% higher than that of UF-BTF. After a 50-day continuous operation, FDS-BTF attained the stable purification performance and the outlet concentrations of toluene could meet the emission standard with inlet concentrations ranging from 720 to 1100 mg/m3 for an empty bed residence time (EBRT) of 23.9 s. The average well color development in FDS-BTF was higher than that in UF-BTF. It indicated that FDS-BTF could improve the metabolic activity, which may improve the uniform distribution of biomass along the length of packed bed. When two systems were shut down, 24 and 48 h, respectively, the time that FDS-BTF and UF-BTF needed to restore the former elimination efficiency after a shut down of 48 h were 3-4 and 9-10 h. These data indicated that the purification performance of FDS-BTF was superior to UF-BTF. [ABSTRACT FROM AUTHOR]

The article focuses on a study related to the determination of arrangement in composite core system by comparing absolute and relative permeability. The study mentions that computer controlled system and XRP500, a core flood displacement setup, were used to perform the experimental procedure. The study further concludes that descending arrangement and capillary action will enhance the recovery factor.

Agriculture is the backbone of our economy and its prosperity can largely be responsible for the well being of the entire economy. Farm finance has a place of pride in the agro-socio-economic development of the country both at micro and macro levels. Its catalystic role strengthens the farming business and augments the productivity of scarce resources. Application of new technological inputs obtained through farm finance helps boost of agricultural productivity. It is brought to notice by many studies on agricultural credit that among all the agencies involved in agricultural credit, the individual moneylenders as non-institutional agencies till recently, have been most important both from the point of view of number of loans and the volume of business. The institutional sources comprise the Co-operatives, Scheduled Commercial Banks and Regional Rural Banks (RRBs). The study evaluates performance of RRB's in deploying agricultural credit and evolve a package of measures for effective and efficient performance of RRBs. The objectives of the study are to review the historical performance of institutional agencies in deploying agricultural credit, to examine the progress made by RRBs in Agricultural Credit, to assess the Agricultural Credit performance through sample respondents and lastly, to evolve a package of measures for making RRBs effective in agricultural credit deploying. [ABSTRACT FROM AUTHOR]

Abstract: The brake friction materials in an automotive brake system are considered as one of the key components for overall braking performance of a vehicle. The sensitivity of friction material performance and accordingly brake performance, versus different operating regimes, has always been an important aspect of its functioning. In this paper, the influences not only on the brake operation conditions but also on the formulation and manufacturing conditions of friction materials have been investigated regarding friction materials recovery performance by means of artificial neural networks. A new neural network model of friction material recovery performance, trained by the Bayesian Regulation algorithm, has been developed. [ABSTRACT FROM AUTHOR]

[Display omitted] • PEG-600 contributed to both short-term and long-term recovery performance. • Tinidazole tablets effectively inhibited the Bacteroidetes in the biofilter. • The second addition of Tinidazole tablets failed due to the drug resistance. • The EC max of 134 g/(m3·h) was obtained with P. putida BRJC1032 addition. • The Bacillus and Thermobifida were found as the dominating groups. In this study, the feasibility of three methods on enhancing the recovery performance of biofilter after the interference and starvation periods was evaluated. Results show that despite the pressure drop risk, supplementation of 7.5% (w/v) Polyethylene glycol-600 (PEG-600) resulted in quick recovery on removal efficiency in both short- and long-term interference shutdown experiments. Tinidazole Tablets (2 mg/L), a Bacteroidetes -specific antibiotic, are more suitable to apply as a one-time shot to improve recovery of biofilter as the second dose of Tinidazole Tablets was no longer effective presumably caused by the increased drug resistance. It is worth noting that the maximum elimination capacity of 134 g/(m3·h) was observed with Pseudomonas putida (P. putida) BRJC1032 addition. The biodegradation kinetic, biological characteristics and microbial community evolution in biofilters were systematically analyzed for finding the suitable methods to enhance recovery performance, which is of great value for the further industrial application of the biofilter technology. [ABSTRACT FROM AUTHOR]