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Hydrogen Storage Capacity Study of a Li+Graphene Composite System with Different Charge States

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Chinese Physics Letters 2013年第10期30卷 167-170页

作者： SUI Peng-Fei zhao yin-Chang DAI Zhen-Hong WANG Wei-Tian Computational Physics Laboratory Institute of Opto-electronic Information TechnologyYantai UniversityYantai 264005

Based on first-principles plane-wave calculations,we firstly reconfirm that the Li+graphene complex can be taken as a hydrogen storage medium with capacity of 12.8wt%.Then metal adsorption properties of this Li+graphene system with different charge states are ***,the hydrogen storage ability of the charging system is *** calculations show that adding positive charge on a Li+graphene composite results in a conspicuous reduction of Li2𝑡and Li2𝑞orbital occupation with respect to the C2𝑞*** a result,a stronger bonding between Li and graphene is formed,and a special double-layer hydrogen adsorption structure has been *** to the neutral system,utilizing the positive charged Li+graphene to store hydrogen molecules can solve the issue of clustering of metal atoms after releasing hydrogen,and can improve hydrogen storage capacity up to a gravimetric density of 20.4wt%,correspondingly one adsorbed Li atom can effectively absorb up to seven H 2 molecules.

关键词： system adsorption utilizing

Studies on biomechanics of skeletal muscle based on the working mechanism of myosin motors:An overview

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Chinese Science Bulletin 2012年第30期57卷 4533-4544页

作者： yin YueHong GUO zhao CHEN Xing FAN YuanJie State Key Laboratory of Mechanism System and Vibration Institute of RoboticsShanghai Jiao Tong UniversityShanghai 200240China

Skeletal muscle is the source of human body *** scholars have been studying in this field to reveal its contraction mechanism,and relevant achievements have been awarded the Nobel *** paper reviewed the current researches on biomechanics of skeletal muscle,and concluded two strategies(top-down and bottom-up methods) for the biomechanical research of skeletal ***,this paper generalized two major aspects of muscle research:(1) the multi-force coupling mechanism and the collective operation mechanism of molecular motors;(2) the bioelectrochemical driving and control principium of muscle *** discussed the solution for experimental verification and induced a novel idea to study the biomechanics of skeletal muscle based on the microscopic working mechanism of molecular motor,which is the origin of muscle *** we analyzed the disadvantages in existent researches and explored future directions that need further studies.

关键词：工作机制生物力学分子马达骨骼肌肌球蛋白诺贝尔文学奖收缩原理生物电化学

Commemorate the Centenary of the Birthday of Mr. Tokuma Utsunomiya and Mr. Kinkazu Saionji

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International Understanding 2006年第4期 43-46页

作者： zhao yin

CAFIU Vice-President Mr. Li Beihai＇s address This year marks the centenary of the birth of Mr. Tokuma Utsunomiya and Mr. Kinkazu Saionji. The latepremier Zhou Enlai mentioned that ＂we should not forget the well digger when we drink water＂ when China and Japan normalized their relationship. The well digger refers to the older generation who made great efforts for the normalization of the relationship between the two countries. And Mr. Tokuma Utsunomiyais is one of the venerable forerunners.

关键词：中国日本中日关系正常化发展外交工作纪念活动

Improve English Listening and Speaking by Vogue English Study Methods

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Sino-US English Teaching 2005年第7期2卷 5-8,13页

作者： yin zhao Foshan University

With the development of the global economy, learning English has become the need of many Chinese. People have created a lot of English study methods such as Crazy English, Special English, Peipei English, Dapao English, and so on. These methods have made a great impact on our English teaching model. Although there are no enough scientific theories in them, we can find the special ways to learn English well especially for English listening and speaking. If you analyze them carefully, you will be surprised to find that they are very helpful to improve your listening and speaking ability, and overcome the affective shock. Following some of these methods, the learners can get more knowledge, be more interested in English, study harder and obtain the achievements easily, while the teachers can improve their teaching according to them. At last, the author points out that if the teachers can use them in class correctly, the ideal result will come out.

关键词： vogue English study methods listening and speaking teaching

Direct enantioselective reduction of C=C bond of β-polyfluoro-alkylated enones via asymmetric photoredox catalysis

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Science China Chemistry 2024年第6期67卷 2016-2021页

作者： Linghong Zhang Jin Ma Xu Ban Xiaowei zhao Yanli yin Zhiyong Jiang Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province Henan UniversityKaifeng475004China School of Chemistry and Chemical Engineering Henan Normal UniversityPingyuan LaboratoryXinxiang453007China College of Advanced Interdisciplinary Science and Technology Henan University of TechnologyZhengzhou450001China

Direct enantioselective reduction of the C=C bond ofβ-polyfluoro-alkylated enones is an important but long-pending subject in asymmetric ***,we report on the viability of visible light-driven cooperative photoredox and chiral hydrogenbonding catalysis to effectively address this challenge,as a variety of products are obtained in high yields(up to 85%)with good to excellent enantioselectivities(up to 98%ee).The formation of thermodynamically favorable enol intermediates after double single-electron reduction represents the center of the ***,the utility of the current method is validated by the convenient regio-specific and-diverse synthesis of various deuterated derivatives for these products using inexpensive D_(2)O as the deuterium source.

关键词： photoredox catalysis Br?nsted acids asymmetric reduction enantioselective protonation azaarenes

The Study on Software Interface Art Design based on Engineering Methods

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The Study on Software Interface Art Design based on Engineer...

无防腐剂复方托吡卡胺滴眼液的兔散瞳效果实验

2011 International Conference on Advanced Materials and Information Technology Processing(AMITP 2011)

作者： zhao yin School of Art and Design Wuhan University of Science and Technology

The article described software design need to be from user's point of view, the key in software developing and interface design is not using what kind of development tools, but by using which kind of thinking and program theory to guide the design. Design thought and methods finally determine success and quality of design. Emphasizes that aping functional art design methods to engineering development process, discussed the application ways of the engineering development methods in software interface of art design. Emphasizes the significance of artistic thought in the software interface design, and points out that logical design process is basic condition & effective ways to achieve the desired interface art design.

关键词： art design,engineering method,software interface

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中国药业 2024年第8期33卷 36-38页

作者：张志刚赵寅盛小莉吴文娟郑炜汇禹远和<海南>药业有限公司海南澄迈571900

目的探讨无防腐剂复方托吡卡胺滴眼液对实验兔的散瞳效果。方法取实验兔30只,按体质量随机分为空白对照组(等体积0.9%氯化钠注射液),参比制剂组[参比制剂(规格为每瓶10 mL),50μL],受试制剂组[受试制剂(无防腐剂,规格为每瓶0.4 mL),50μ... 详细信息

目的探讨无防腐剂复方托吡卡胺滴眼液对实验兔的散瞳效果。方法取实验兔30只,按体质量随机分为空白对照组(等体积0.9%氯化钠注射液),参比制剂组[参比制剂(规格为每瓶10 mL),50μL],受试制剂组[受试制剂(无防腐剂,规格为每瓶0.4 mL),50μL],各10只。各组实验兔双眼均分别给予相应药物或0.9%氯化钠注射液1次。分别于给药前及给药后0.25,0.5,1,2,4,8,12,24 h检测实验兔的双眼瞳孔最大直径,计算给药前后的最大直径差。测量双眼正向(0°、90°)及斜向(45°、135°)的轴线直径,计算瞳孔面积。结果与空白对照组比较,受试制剂组与参比制剂组实验兔给药后除24 h外其余时间点的瞳孔最大直径差均显著增大,且参比制剂组给药后各时间点、受试制剂组除给药后24 h外其余各时间点实验兔的瞳孔面积均显著增大(P0.05)。结论复方托吡卡胺滴眼液受试制剂与参比制剂对实验兔的散瞳效果基本一致。

关键词：复方托吡卡胺滴眼液散瞳实验兔参比制剂受试制剂防腐剂瞳孔直径瞳孔面积

Parameter optimization and experiment of the negative pressure precision seed-metering device for wheat

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International Journal of Agricultural and Biological Engineering 2024年第1期17卷 154-162页

作者： Yubo Feng Xiaoshun zhao Jincai Li Huali Yu Hongpeng zhao Baozhong yin State Key Laboratory of North China Crop Improvement and Regulation Hebei Agricultural UniversityBaoding 071001HebeiChina College of Mechanical and Electrical Engineering Hebei Agricultural UniversityBaoding 071001HebeiChina College of Plant Protection Hebei Agricultural UniversityBaoding 071001HebeiChina

In order to ensure the most reasonable distribution of wheat seeds in the field to improve seeding quality and uniformity,a set of negative pressure precision seed-metering device was designed,which shares a hollow *** seed-metering device can sow two rows of *** the STAR-CCM+,the analysis of nephogram,vectogram and streamline graph showed that more ideal structural parameters of the seed-metering device are 0.5 mm width of the slit sucking seed(WSS),150-200 mm diameter of the seed-metering disc(DSD),2.0 mm axial depth of air chamber in the seed-metering disc(ADS),and arc-shaped cross-section shape of the ring groove sucking seed(CSGS).Single-factor test on the JPS-12 test-bed analyzed the influence of the CSGS,WSS,DSD,and ADS on the qualified index(Iq),multiple index(Imul),miss index(Imiss)and coefficient of variation of qualified seed spacing(CV).Through the orthogonal on the JPS-12 test-bed,it is found that the influence of vacuum negative pressure and seed-metering device shaft speed is significant on the Iq,Imiss and *** on these,the structural parameters of the seed-metering device were *** DSD is 180 mm,the WSS is 0.7 mm,the ADS is 2.5 mm,and the CSGS is *** optimization seed-metering device was tested on the JPS-12 *** Iq is 86.66%,the Imiss is 5.09%,the Imul is 8.25%,and the CV is 24.50%.These testing results fully coincide with the standard JB/T 10293-2013 Specifications of single seed drill(precision drill).The seed-metering device meets fully the requirements for wheat precision seeding.

关键词： wheat seed-metering device negative pressure precision parameter optimization STAR-CCM+ orthogonal test variance analysis

Self-assembly Induced by Complexation of Diblock Copolyelectrolytes and Oppositely Charged Homopolymers

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Chinese Journal of Polymer Science 2024年第9期42卷 1321-1332,I0006页

作者： Ling zhao Zhi-Yuan yin Jia-Di Jiang Er-Qiang Chen Shuang Yang Beijing National Laboratory for Molecular Sciences Key Laboratory of Polymer Chemistry and Physics of Ministry of EducationCenter for Soft Mater Science and EngineeringCollege of Chemistry and Molecular EngineeringPeking UniversityBeijing100871China Beijing National Laboratory for Molecular Sciences College of Chemistry and Molecular EngineeringPeking UniversityBeijing100871China

We investigate the solution self-assembly of a mixture of positively charged homopolymers and AB diblock copolymers,in which the A blocks are negatively charged,and the B blocks are *** electrostatic complexation between oppositely charged polymers drives the formation of many ordered *** microstructures and phase diagrams are calculated using self-consistent field theory(SCFT)based on an ion-pair model with an equilibrium constant K to characterize the strength of binding between positively and negatively charged *** effects of the charge ratio,representing the ratio of charges from the homopolymer over all charges from polymers in the system,on the ordered structure are systematically studied,both for hydrophobic and hydrophilic A *** charge ratio plays an important role in determining the phase boundaries in the phase diagram of salt concentration versus polymer *** also provide information about the varying tendency of the domain spacing and core size of the spherical phase when the charge ratio is changed,and the results are in good agreement with *** studies provide a deep understanding of the self-assembled microstructures of oppositely charged diblock copolymer-homopolymer systems.

关键词： Self-assembly Polyelectrolyte complexation Self-consistent field theory Ion-pair