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Pretreatment of Polymer-Supported Pd-Co and Its Catalytic Activity

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Chinese Chemical Letters 2000年第8期11卷 743-744页

作者： Yan GAO shi jian liao Fu Dong WANG Yue GAO Xi Gao jian Department of Polymer Science&Materials Dalian University of TechnologyDalian 116012 Dalian Institute of Chemical Physics The Chinese Academy of SciencesDalian 116023

Various pretreatments of poly (N-vinyl-2-pyrrolidone) (PVP) protected palladium-cobalt system result in different catalytic activities in the hydrodechlorination of chlorobenzene.

关键词： pretreatment polymer supported Pd-Co catalytic activity

FACTORS　AFFECTING　THE　CATALYTIC　ACTIVTTIES　OF　THE　Cp2TiCl_2／n－BuLi　SYSTEM　FOR　THE　OLEFIN　HYDROGENATION

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Chinese Chemical Letters 1994年第8期5卷 689-692页

作者： shi jian liao Yun XU Yi Ping ZHANG(Dalian Institute of Chemical Physics. Chinese Academy of Sciences,Dalian,116023Laboratory of Oranometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032)Qi SUN Ren An

The catalyst System. Cp2TiCl2/n-BuLi, edhibits very high activity for the hydrogenation of 1-octene with a maximum turnover frequency of 71 sec-1. Factors wich strongly affect the activities of this catalyst system ha...

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CARBONYLATION OF ALLYL HALIDES CATALYZED BY POLY(N-VINYL-2-PYRROLIDONE) ANCHORED PALLADIUM CATALYST UNDER ATMOSPHERIC PRESSURE

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Chinese Chemical Letters 1992年第5期3卷 351-354页

作者： Han Rong GAO Yun XU shi jian liao Dao Rong YUDalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian,116023Laboratory of Organometallic Chemistry,Shanghai Institute of Organic Chemistry,Chinese Academy of Sciences,Shanghai,200032

Carbonylation of allyl halides catalyzed by poly(N-vinyl-2-pyrro- lidone) anchored palladium catalyst affords β,r-butonic acid under atmo- spheric pressure and at room *** activity and efficiency of the catalyst are ... 详细信息

关键词： ANCHORED PALLADIUM CATALYST UNDER ATMOSPHERIC PRESSURE CARBONYLATION OF ALLYL HALIDES CATALYZED BY POLY N-VINYL-2-PYRROLIDONE

DIELS-ALDER REACTIONS CATALYZED BY MISCH-LANTHANIDE CHLORIDES

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Chinese Chemical Letters 1994年第5期5卷 361-364页

作者： Shu Wen YU shi jian liao and Dao Rong YU (Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023)Lei shi Shu Zhen YU and Fang HONG (Department of Chemistry, liaoning Normal University, Dalian, 116022)Qi SHEN (Department of Che

Misch-lanthanide chlorides have ben found to be good catalysts for several DielsAlder reactions of industrial importance.

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Quantum public-key crypto via EPR pairs

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Science China(Physics,Mechanics & Astronomy) 2025年第1期Mechanics & Astronomy) .卷 58-63页

作者： Xiang-Qun Fu Hong-Wei Li jian-Hong shi Tan Li Wan-Su Bao Henan Key Laboratory of Quantum Information and Cryptography Information Engineering University Synergetic Innovation Center of Quantum Information and Quantum Physics University of Science and Technology of China

With the development of quantum computing technology, quantum public-key cryptography is gradually becoming an alternative to the existing classical public-key cryptography. This paper designs a quantum trapdoor one-way function via EPR pairs and quantum measurements. Based on this, a new quantum public-key cryptosystem is presented, which offers forward security,and can resist the chosen-plaintext attack and chosen-ciphertext attack. Compared with the existing quantum public-key cryptos,eavesdropping can be automatically detected in this new quantum public-key cryptosystem under a necessary condition, which is also detailed in the paper.

关键词： quantum public-key crypto trapdoor one-way function EPR pairs

CATALYTIC SYNTHESIS OF MAGNESIUM HYDRIDE UNDER ATMOSPHERIC PRESSURE AND ITSDEHYDROGENATION/HYDROGENATION PROPERTIES

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Chinese Chemical Letters 1993年第6期4卷 543-546页

作者： Gen Wen LIN shi jian liao Yun XU Yi Ping ZHANG Dalian Institute of Chemical Physics,Chinese Academy of sciences,Dalian,116023 Laboratory of Organometallic Chemistry,Shanghai Institute of Organic Chemistry,Chinese Academy of Sciences,Shanghai,200032

The catalytic hydrogenation of magnesium under atmospheric pressure has been optimized so that the reaction can be completed within seven *** resulted magnesium hydride is in the form of superfine powder with an average primary particle size of 15 *** magnesium hydride exhibits higher dehydrogenation/hydrogenation rates than that obtained under pressure with the same catalyst system.

关键词： DEHYDROGENATION/HYDROGENATION PROPERTIES

TRANSFER　HYDROGENATION　OF　KETONES　BY　PROPAN－2－OL　OVER　POLY（PHENYLENE　OXIDE）　ANCHORED　RUTBENIUM　CATALYST

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Chinese Chemical Letters 1994年第3期5卷 189-192页

作者： Han Rong GAO Yun XU shi jian liao and Dao Rong YU(Dalina Institute of Chemical Physics,Chinese Acaemy of Sciences,Dalian 116023)(Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences ,Shanghai 20003

Both aliphatic and aromatic ketones are efficiently transfer-hydrogenated by propan-2-ol under mild conditions in the presence of a catalytic amount of poly(2,6-dimethyl-1,4-Phenylene oxide) (PPO) anchored ruthenium... 详细信息

关键词： OL OVER PROPAN PHENYLENE KETONES ANCHORED BY

Optimization Method for Cross-regional Maximum Power Purchase Capacity in Regional Power Grids Ensuring Supply Scenarios

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Dianwang Jishu/Power System Technology 2025年第1期49卷 232-241页

作者： Xu, Hao Jia, Longwen Liu, Zhicheng Xu, jian Huang, Yanbo liao, Siyang Central China Branch of State Grid Corporation of China Hubei Province Wuhan 430077 China School of Electrical Engineering and Automation Wuhan University Hubei Province Wuhan 430072 China

As multiple levels of electricity markets become intertwined and coupled across different time scales, regional power grids, while serving as hubs for trading channels, also face a series of operational risks, such as network congestion and ensuring security and reliability of supply. In response to the supply security scenario under market-oriented models, based on the analysis of intra-provincial transmission section blocking, an optimization method for inter-regional and inter-provincial power supply capability in the electricity spot market is proposed. Firstly, based on the correlation model of inter-provincial trading channels, inter-provincial physical interconnections, and intra-provincial transmission sections, the mechanism of intra-provincial network congestion formation is analyzed. Secondly, the Gradient Boosting Decision Tree algorithm predicts intra-provincial transmission section blocking, identifying critical sections that form the boundary for electricity purchases in the spot market. Finally, to maximize electricity purchases through inter-regional channels while considering constraints on DC power injection stability, the power supply capability of the target province is optimized. The proposed method is validated by analyzing it based on actual provincial networks. © 2025 Power System Technology Press. All rights reserved.

关键词： Power markets

Identification of a dual functional betulinic acid analog for the treatment of osteoarthritis by phenotypic screening

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Science China Life Sciences 2025年第1期68卷 300-302页

作者： Ze-Min Lin Mai Xiang Wen-Hui Wei Shu-Hui Fan Li Chen Jie Wang Xiao-Qian Yang Chun-Hao Yang shi-Jun He jian-Ping Zuo Laboratory of Immunopharmacology State Key Laboratory of Drug ResearchShanghai Institute of Materia MedicaChinese Academy of Sciences School of Pharmacy University of Chinese Academy of Sciences School of Pharmacy Nanjing University of Chinese Medicine State Key Laboratory of Drug Research Department of Medicinal ChemistryShanghai Institute of Materia MedicaChinese Academy of Sciences Innovation Research Institute of Traditional Chinese Medicine Shanghai University of Traditional Chinese Medicine Experiment Center for Science and Technology Shanghai University of Traditional Chinese Medicine

Dear Editor, Phenotypic drug discovery, which observes compound effects on physiology,has given way to targeting specific molecules, but has revived by using modern methods to find drugs based on therapeutic outcomes in disease models(Vincent et al., 2022). Osteoarthritis(OA) is a prevalent chronic joint disorder, primarily affecting knee joints, with osteoclast activation due to low-grade inflammation resulting in increased bone resorption and structural changes in the joint(Katz et al.,2021).

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