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After a long period of development and evolution, Chinese painting has formed a set of regular artistic language, which highlights the national characteristics of Chinese painting and is an important factor distinguishing it from other works of art. As the main characteristic of Chinese painting, this paper analyzes the traditional techniques of Chinese painting according to the three characteristics of Chinese painting: line, ink, and color, and analyzes the language of programed techniques. Then the method of digital reproduction of traditional techniques of Chinese painting is proposed and elaborated with the example of “The Western Garden of Elegant Gathering”. Subsequently, for the complexity of hand movement recognition of Chinese painting techniques, this paper proposes a sample splitting and re-fusion algorithm RCF based on sEMG to optimize the hand movement signals and construct a hand movement recognition model based on surface EMG signals. Through empirical analysis, the SVM classifier used in this paper has an average recognition correctness rate of 98%, which is 6% and 3% higher than BP and LDA, respectively. Meanwhile, the recognition accuracy of the hand movements of the eight techniques is all above 95%, with an average recognition accuracy of 98.5%. The mean value of all five indicators of the experience evaluation of Chinese painting techniques reproduction and innovation exceeded 4 points, and the overall average score was 4.542, indicating that the experiencers were very satisfied with the experience of Chinese painting techniques reproduction to innovation in this paper. The research of this paper provides theoretical and technical guidance for the reproduction and innovation of traditional Chinese painting techniques, as well as ideas for the organic combination of digital technology and traditional Chinese paintings.

Displaying the same data in different optical modes has improved both storage capacity and information security. However, it always requires either sophisticated chemistry or expensive experimental setup to build a dual‐mode or even multi‐mode anti‐counterfeiting system. Here, a rewritable dual‐mode pattern is designed, based on the second‐generation Donor‐acceptor Stenhouse adducts decorated polyethylene glycol crystal. Uniform square crystals are obtained through a simple process of controlled solvent evaporation. Complex pattern such as words can be written on the crystals with the help of microregional irradiation. It endows the high‐resolution of the pattern that only the area exposed to light goes through the discoloration and fluorescence change. The great reversibility and fatigue resistance of the photochromism enable the crystals to be repeatedly utilized, making them qualified candidates as high‐level anti‐counterfeiting materials. [ABSTRACT FROM AUTHOR]

As global temperatures continue to rise, there is an alarming increase in the severity and frequency of extreme climate hazards. The United Nations, responding to these dire changes, has advocated for a target of net-zero carbon emissions, a strategy aimed at pursuing efforts “to limit the temperature increase to 1.5°C above pre-industrial levels” (The Paris Agreement) and mitigating the devastating effects of global warming. This research delves into economic implications of these targets, leveraging comprehensive data that encompass carbon emissions, temperature, renewable energy, and vital economic indicators. Utilizing the RCP scenarios, we provide a nuanced projection of future climate under varying socio-economic and radiative conditions. The analysis of economic indicators can help predict the overall level and change trend of carbon emissions more reasonably, which can provide important decision-making support for the government to formulate environmental protection policies and enterprises to carry out carbon emission reduction work. At the same time, economic indicators can also help assess the changes in the carbon trading market, and play an important guiding role for enterprises and investors to conduct carbon emissions trading. Our findings underscore the intricate relationship between stringent carbon management practices and their potential economic ramifications, which include both the promise of increased market value for businesses and bolstered resilience against climate-induced threats. Bridging historical observations with future-orientated projections, this study serves as a beacon for policymakers and stakeholders alike. It emphasizes the critical need to advance sustainable development within a net-zero carbon framework, ensuring a comprehensive strategy for global warming adaptation and mitigation.

Objective: To investigate associations between hysteroscopic surgery for patients with varying cesarean scar diverticulum (CSD) severity and in vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI) embryo transfer (ET) pregnancy outcomes, focusing also on the correlation between the CSD size with its severity, and pregnancy outcomes. Methods: A retrospective study was conducted on patients with CSD who underwent IVF/ICSI‐ET at a university‐based hospital between January 2017 and July 2023. Patients were categorized into four groups based on CSD severity and whether they received hysteroscopic surgery: a mild surgical group (Group A, n = 86), a mild non‐surgical group (Group B, n = 30), a moderate‐to‐severe surgical group (Group C, n = 173), and a moderate‐to‐severe non‐surgical group (Group D, n = 96). Baseline characteristics and pregnancy outcomes were compared among these groups. Correlation assessments were conducted to explore relationships between CSD size with its severity, and pregnancy outcomes. Results: Compared with Group D, Group C exhibited significantly increased rates of biochemical pregnancy (odds ratio [OR] 1.90; 95% confidence interval [CI] 1.03–3.51, P = 0.041), clinical pregnancy (OR 2.30; 95% CI1.18–4.45; P = 0.014), and live birth (OR 2.77; 95% CI 1.10–7.00, P = 0.031). However, no differences in pregnancy outcomes were observed between Groups A and B. Correlation analyses revealed significant positive associations between CSD severity and its depth, length, width, and volume. Conclusions: Patients with moderate‐to‐severe CSD achieved favorable IVF/ICSI pregnancy outcomes following hysteroscopic surgery. The CSD size was significantly related to its severity. Synopsis: Our study explored the impact of hysteroscopic surgery on IVF/ICSI pregnancy outcomes for patients with different cesarean scar diverticulum severity. [ABSTRACT FROM AUTHOR]

Metastasis is the primary cause of cancer-related death, with the dissemination and colonization of primary tumor cells at the metastatic site facilitated by various molecules and complex pathways. Understanding the biological mechanisms underlying the metastatic process is critical for the development of effective interventions. Several epigenetic modifications have been identified that play critical roles in regulating cancer metastasis. This review aims to provide a comprehensive summary of recent advances in understanding the role of epigenetic modifiers, including histone modifications, DNA methylation, non-coding RNAs, enhancer reprogramming, chromatin accessibility, and N6-methyladenosine, in metastasis-associated processes, such as epithelial-mesenchymal transition (EMT), cancer cell migration, and invasion. In particular, this review provides a detailed and in-depth description of the role of crosstalk between epigenetic regulators in tumor metastasis. Additionally, we explored the potential and limitations of epigenetics-related target molecules in the diagnosis, treatment, and prognosis of cancer metastasis. [ABSTRACT FROM AUTHOR]

BackgroundCompared with the traditional pressurized water reactor (PWR), the core design of large advanced PWR CAP1400 has significant changes, such as the increase in the number of fuel assemblies, the increase in reactor power, the increase in the average temperature of core coolant, etc. These changes have an important impact on the results of rod ejection accident, and then affect the safety of reactor.PurposeThis study aims to verify the safety of large advanced PWR under rod ejection accident condition and the influence of key input parameters on accident analysis results.MethodsBased on the neutron dynamics software TWINKLE and fuel performance analysis program FACTRAN, the typical four types of operating conditions, including the beginning of life the hot full power and the hot zero power, the end of life the hot full power and the hot zero power, were selected to carry out the simulation calculation of the control rod ejection accident analysis for large advanced PWR, and the sensitivity analysis of key input parameters of rod ejection accident conditions was performed by using the direct numerical perturbation method.Results & ConclusionsSimulation results show that the power peak is the most sensitive to the worth of rod ejection, but less sensitive to shutdown reactivity. The consequences of the control rod ejection accident designed for CAP1400 can meet the requirements of acceptance criteria and the reactor is in the safe and controllable state.

Chimeric antigen receptor gene-modified T (CAR-T) cell immunotherapy is considered as one of the most promising tumor treatments. The number of effector CAR-T cells is a key factor in determining the therapeutic effect of CAR-T cell therapy. The expansion of CAR-T cells in vitro is time and energy-consuming. After transfusion, it's difficult for CAR-T cells to infiltrate into solid tumors, resulting in a significant decrease in the number of CAR-T cells that can effectively inhibit solid tumors. Currently, the amplification of CAR-T cells has problems in enhancing amplification specificity and treatment safety, which hinders the clinical transformation of CAR-T cell therapy. In recent years, achievements in new immunity agonist and their downstream signals have provided more options for CAR-T amplification, and the novel administration methods of immunity agonist have further improved the safety of CAR-T amplification in vivo. This review analyzes the current challenges in CAR-T cell amplification, and systematically expounds the new strategies of CAR-T cell amplification in vitro and in vivo in recent years, providing new thoughts for the efficacy and capacity optimization of CAR-T cell therapy. [ABSTRACT FROM AUTHOR]

Digital sports, also known as online sports, are a new form of sport that users have tried in recent years. Despite the rapid growth of online sports, the factors influencing users' willingness to sustain their use are currently unknown. Based on the theory of planned behavior (TPB) and expectation-confirmation theory (ECT), this study empirically investigates the factors influencing the persistent use of online sports videos. Questionnaires were administered to participants. A total of 305 participants completed the questionnaire. Structural equation modeling showed that all hypotheses' paths were significant, except for H11 and H12. The results indicated that perceived usefulness, expectation confirmation, and coach social presence had a significant positive effect on users' satisfaction in using online sports videos. Moreover, satisfaction, behavioral attitudes, subjective norms, and perceived behavioral control had a significant positive effect on users' willingness to consistently use online sports videos, with gender moderating the impact of satisfaction and behavioral attitudes on the willingness to consistently use. We discuss the practical implications and recommendations for applying this study's findings. [ABSTRACT FROM AUTHOR]

BackgroundTraditional shielding X/γ ray materials are generally lead or lead containing materials, which have the disadvantages of high toxicity, heavy weight, difficult molding and high price. Polymer composite materials are considered to be new materials that can effectively protect against nuclear radiation in the future. Epoxy resin (EP) as a base material has many advantages, such as corrosion resistance, good mechanical properties, strong wear resistance, excellent insulation, and stronger radiation resistance, while rare earth materials have a better shielding effect on γ-rays in the 20~88 keV energy region, and can make up for the weak absorption zone of lead.PurposeThis study aims to verify the shielding performance of nano Yttrium trioxide/epoxy resin composites (Y2O3/EP) against X/γ rays.MethodsFirst of all, Y2O3/epoxy resin radiation protection materials with different yttrium oxide contents were prepared by filling Y2O3 into EP. Then, the positron lifetime spectrum analysis combined with X-ray diffraction (XRD), scanning electron microscopy (SEM) and other methods were employed to study the microstructure of the material whilst the thermogravimetric analysis and differential scanning calorimeter (DSC) were applied to analyzing the thermal stability of the material, and Vickers hardness tester and universal tensile machine were used to test the mechanical properties of the material. Finally, the Monte Carlo N Particle Transport Code (MCNP) was applied to the simulation calculation of the radiation protection performance of the these samples.ResultsTesting results show that Y2O3 filled with epoxy resin can improve the thermal stability, hardness and Young's modulus of the composite material, but reduce the tensile strength. In the X/γ ray energy range of 20~1 332 keV, the shielding effect of 40% Y2O3/EP composite is 2%~10% of that of pure Pb under the same material thickness, and the shielding effect of 40% Y2O3/EP composite is 15%~66% of that of pure Pb under the same mass.ConclusionsAlthough the shielding effect of Y2O3/EP composite is worse than that of pure lead, it can meet the shielding requirements at X/γ low-energy radiation region with capability to replace lead or lead containing materials as radiation shielding materials.

Quantum dot light‐emitting diodes (QLEDs) is one of the most important components in the display field, and different structures have a certain impact on the final performance of the device. Previous QLEDs mainly use ZnO nanocrystals as the electron transport layer (ETL), but the chemical activity of ZnO nanocrystals under electric fields and moisture is not stable enough. To solve this problem, this paper studies the effects of TiO2 films with different thicknesses on the luminescence, current density and external quantum efficiency of QLED devices by using magnetron sputtered TiO2 as a new ETL. The experimental results show that the 50nm TiO2 film achieves the highest external quantum efficiency while maintaining favorable current density and brightness. [ABSTRACT FROM AUTHOR]

In this report, ZnSeTe‐based blue bottom‐emitting quantum dot light‐emitting diodes (QLEDs) with optical microcavity design were demonstrated. The microcavity is formed by the top reflective Ag electrode and the bottom semi‐transparent multilayer electrode, ITO/Ag/ITO. The conventional normal QLED device structure is sandwiched between microcavity. The results show the full width at half maximum (FWHM) of the device emission spectrum is reduced to 50% compared to the device without microcavity, and the tail at longer emission wavelengths is notably suppressed. [ABSTRACT FROM AUTHOR]