Xuzhou Institute of Technology

About: Xuzhou Institute of Technology is a education organization based out in Xuzhou, China. It is known for research contribution in the topics: Catalysis & Computer science. The organization has 1696 authors who have published 1521 publications receiving 13541 citations.

Enantioselective Copper-Catalyzed Borylative Cyclization for the Synthesis of Quinazolinones.

Abstract: Quinazolinones are common substructures in molecules of medicinal importance. We report an enantioselective copper-catalyzed borylative cyclization for the assembly of privileged pyrroloquinazolinone motifs. The reaction proceeds with high enantio- and diastereocontrol, and can deliver products containing quaternary stereocenters. The utility of the products is demonstrated through further manipulations.

Optimization of PID parameters based on genetic algorithm and interval algorithm

Abstract: To overcome simple genetic algorithm's defects of worse local searching ability and premature convergence, a hybrid algorithm of genetic algorithm and interval algorithm was proposed, and applied to parameters optimization of PID controller by employing interval algorithm in population initialization of genetic algorithm. The simulation and experimental results show that the new algorithm is better than simple genetic algorithm, which can improve the convergence speed, overcome the premature convergence phenomena, reduce the influence of random initial population, improve the convergence precision, and has excellent convergence performance and optimization ability.

Effects of Silicon on the Growth, Photosynthesis and Chloroplast Ultrastructure of Oryza sativa L. Seedlings under Acid Rain Stress

Abstract: Silicon (Si) is a beneficial element for plants and can increase plant resistance. In the present work, a hydroponic experiment was carried out to study the effects of Si on the growth and photosynthesis of rice (Oryza sativa L.) seedlings under simulated acid rain (SAR) stress. The growth, photosynthesis and chloroplast ultrastructure of rice seedlings treated with combined or single weak SAR (pH 4.0) and/or Si (1, 2 or 4 mM) were improved. Spraying with moderate or severe SAR (pH 3.0 or 2.0) significantly inhibited the growth and photosynthesis and severely damaged the chloroplast ultrastructure of rice seedlings. The incorporation of exogenous Si increased the growth and photosynthesis and improved the chloroplast ultrastructure of rice seedlings treated with moderate or severe SAR (pH 3.0 or 2.0). The 2.0 mM Si treatment had more significant promoting or alleviating effects than the 1 and 4 mM Si treatments. The stomatal conductance (Gs), chlorophyll content, maximum quantum efficiency of PSII photochemistry (Fv/Fm), actual photochemical quantum efficiency of PSII photochemistry (Y) and chloroplast ultrastructure were improved with the addition of Si to the SAR treatment, which indicated that the positive effect of Si on photosynthesis was partly associated with stomatal and non-stomatal factors. Thus, Si fertilization improves rice resistance to acid rain.

Fabricating dendritic N-C/MnOx to enable a highly efficient oxygen evolution reaction electrocatalysis

Abstract: Exploiting effective and low-cost electrocatalysts toward water oxidation is of vital significance for boosting overall water splitting. Herein, we proposed a simple method for constructing dendritic N-doped carbon/ manganese oxides (N-C/MnOx) hybrid nanocomposites by annealing the composite of nitrogen-doped carbon quantum dots (N-CQDs) and γ-MnOOH (γ-MnOOH@N-CQDs) at different temperatures under N2/O2 atmosphere. The obtained N-C/MnOx exhibited remarkable electrocatalytic activity and stability for oxygen evolution reaction (OER) owing to their unique dendritic structure, rich oxygen vacancies, optimized electronic structure, abundant Mn-C/N, and large electrochemical active area. Among of the prepared N-C/MnOx hybrid nanocomposites, N-C/Mn2O3 showed the best performance toward OER with an overpotential of merely 347 mV to reach to 10 mA cm−2, along with a small Tafel slope of 75.51 mV dec−1. More remarkably, by combining Pt/C with N-C/Mn2O3 for overall water splitting, a battery voltage of only 1.67 V is needed to reach the 10 mA cm−2, rivaling the activity of the state-of-the-art IrO2 ‖ Pt/C couple.

Path planning for coal mine robot to avoid obstacle in gas distribution area

Abstract: As the explosion-proof safety level of coal mine robot has not yet reached the level of intrinsic safety “ia,” therefore, path planning methods for coal mine robot to avoid the dangerous area of ga...