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Herein, a novel visible-light responsive Ag/Ag3PO4/diatomite composites was successfully fabricated through a Deposition-Hydrothermal-Photoreduction method by using diatomite as the substrate. The crystal structure and morphology of the as-prepared samples were characterized by XRD, SEM, EDS and TEM. It can be found that a large number of spherical Ag/Ag3PO4 nanoparticles evenly loaded the surface of the diatomite substrate. The photocatalytic performances of the Ag/Ag3PO4/diatomite composites were evaluated by degradation RhB under visible-light irradiation (λ ≥ 420 nm). The effect of the adding amount of diatomite on the photocatalytic activity of the composite was also analyzed. The results indicated that the Ag/Ag3PO4/diatomite composites exhibit highest photocatalytic activity when the adding amount of diatomite reached 20%. The degradation rate of the Ag/Ag3PO4/diatomite-20% composites to RhB is as high as 90%, and the photoreaction kinetics constant value of the Ag/Ag3PO4/diatomite is 0.0371 which is 4.25 times higher than that of pure Ag3PO4 nanoparticles. Moreover, the mechanism of catalytic performance enhancement also has been discussed, the high photocatalytic performance of the Ag/Ag3PO4/diatomite composites can be attributed to the synergistic effect of Ag3PO4, diatomite and Ag nanoparticles. The radical trap experiments indicated that holes and O2− were served as the main active species. The Ag/Ag3PO4/diatomite composites synthesized via a facile and cost-effective route is a promising candidate in organics removal.

In the case of excessive consumption of fossil energy and increasingly serious environmental pollution, the use of renewable energy power generation and gas turbine units to build a multi energy complementary integrated energy system, improve energy efficiency and reduce environmental pollution is the current hot issue. In this paper, the output of wind and solar renewable energy is combined with the Combined cooling, heating and power (CCHP) system of gas turbine. Considering the temperature comfort and power load demand response, a CCHP system based on comprehensive demand response is proposed. The scenario generation method is used to consider the uncertainty of renewable energy output, and the optimal scheduling model is established. The simulation results show that the model can effectively reduce the comprehensive operation cost and has significant economic and social value.

Background Community acquired pneumonia remains a leading infectious cause of hospitalization with substantial morbidity and mortality in China. At present, the role of atypical pathogens in CAP arouses peoples' concern. Previous studies indicated that MP was the dominant pathogen of CAP, but the associated factors of MP infection were rarely reported. Methods We retrospectively investigated the distribution of atypical pathogens related with CAP and compared their differences among various populations. Furthermore, we accessed the associated factors of MP infection in various population. Results A total of 3,675 patients were enrolled and divided into three groups. One thousand and eighty-nine subjects (29.6%) were infected with at least one atypical pathogen. MP was the most predominant pathogen in these CAP patients. Our study found that infection rates of the atypical pathogens were significantly different among three groups. Our results also revealed, in a pediatric group, as the temperature increased, so did the infection rate of MP, while it was the opposite in adult and elderly groups. Furthermore, in preschool and school-age children, high temperature, female, PIVs, ADV, and INFB infection were independent risk factors for MP infection, INFA infection was a protection factor for MP infection. However, in adult and elderly groups, the associated factors might be different. Conclusions The infection of atypical pathogens related with CAP is quite serious, and MP infection plays a key role in CAP. Besides, the infection rates of the atypical pathogens are different in various populations, as are the associated factors for MP infection.

Titanium dioxide (TiO2) thin films were successfully grown on glass (TiO2/glass) and fluorine tin oxide (TiO2/FTO) substrates by using radio frequency magnetron sputtering. The as-prepared films were characterised and compared by X-ray diffraction, scanning electron microscopy, atomic force microscopy, ultraviolet–visible spectroscopy and photocatalytic test. It was found that the film deposited on FTO has better crystallinity, rougher superficial morphology, narrower optical bandgap and higher photocatalytic efficiency. The relationship between the factors and the photocatalytic performance has been analysed. Besides, it has been found that the internal electric field developed at the interface of TiO2/FTO may also play a positive effect on the improvement of the photocatalytic efficiency.

Aims/Introduction To explore the relationship between plasma iron levels and gestational diabetes mellitus, as well as its impact on macrosomia. Materials and Methods We retrospectively compared ferritin level and other characteristics between pregnant women with gestational diabetes mellitus (GDM) and pregnant women without GDM. The correlation between the levels of plasma ferritin, glucose and hemoglobin was explored. Meanwhile, we assessed the risk factors of macrosomia. Furthermore, we explored the relationship between ferritin level and the incidence of macrosomia. Results A total of 793 pregnant women were enrolled in the present study, of which 92 pregnant women had GDM and 701 pregnant women were healthy. Meanwhile, 51 pregnant women gave birth to infants with macrosomia and another 742 women had normal infants. Compared with non‐GDM women, pregnant women with GDM were older, with higher pre‐pregnancy body mass index, plasma ferritin, fasting plasma glucose, 1‐h postprandial glucose, 2‐h plasma glucose and hemoglobin. In addition, our results showed a significant positive correlation between the levels of ferritin and fasting plasma glucose when ferritin levels were >70 ng/mL. Our results also showed that pre‐pregnancy overweight or obesity, a high concentration of ferritin, as well as abnormal levels of fasting plasma glucose, 1‐h plasma glucose and 2 h plasma glucose were risk factors for macrosomia. Furthermore, as the level of ferritin increased, so did the incidence of macrosomia. Conclusions The current study provides evidence that pregnant women with high levels of ferritin might be prone to GDM. In addition, a high level of ferritin might be an independent risk factor for macrosomia. Therefore, the negative effect of iron supplementation in non‐anemic pregnant women might be noteworthy.

Zinc oxide (ZnO) films are deposited on hydrogen (H+)-implanted Si and bare Si substrates respectively by Metal-organic Chemical Vapor Deposition (MOCVD). The properties of the films are investigated with Scanning electron microscopy (SEM), X-ray diffraction (XRD), Atom Force Microscopy (AFM), Raman spectra and Photoluminescence (PL) detections, from which we find that compared with bare Si substrate, H+-implanted Si can act as a compliant substrate (CS) and effectively improve the crystal quality, decrease the inner stress arisen from the misfit between substrate and epitaxial layer, perfect the film surface smooth degree and optimize the optical quality. At the end, the CS working mechanism is discussed.

By using the accident causing theory and system safety engineering theory, factors structure affecting the enterprise production safety was obtained. Comprehensively considering enterprise qualification management, transportation organization, employees and accidents, a multi-level safety evaluation index system is built, according to the relevant regulations and current situations of the road transportation enterprise of dangerous goods.

A simple method for controllable growth of zinc oxide nanorod arrays by adjusting preparation conditions of their seed layers is studied. Mole ratio of zinc acetate to diethanol amine, concentratio...