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Chemical Research in Chinese Universities 2008年第5期24卷 640-643页

作者： ZHANG Cheng-wu HUANG Yu-dong wang sheng-chao ZHANG Chun-yu ZHANG Xue-quan Department of Applied Chemistry Harbin Institute of Technology Harbin 150001 P. R. China Heilongjiang Provincial Plastics Industry Scientific Research Institute Harbin 150001 P R. China Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changehun 130022 P. R. China

Morphologies,crystallization behavior and mechanical properties of polypropylene（PP）/syndiotactic 1,2-polybutadiene（s-1,2 PB）blends were *** observation shows the well dispersed domains of s-1,2 PB in PP matrix with the rather small domain sizes from 0.1 to 0.5μm when the s-1,2 PB content increases from 5%to 20%（mass fraction）in the blends,and the phase structure tends to become co-continuous as s-1,2 PB content further *** temperature（Tc）of PP component in the blends is fluctuated with the variation of s-1,2 PB content in the ***,to some extent,between the two components is inferred from the examination of both morphology and crystallization *** of impact strength of PP toughened by s-1,2 PB becomes significant only in the case of s-1,2 PB content above 20%（mass fraction）.

关键词： Syndiotactic 1,2-polybutadiene Polypropylene Crystallization SEM DSC

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黄粉虫开发利用研究进展

应用昆虫学报 2022年第4期59卷 703-709页

作者：王圣朝王敦西北农林科技大学昆虫研究所杨凌712100

本文综述了近年来黄粉虫Tenebrio molitor在国内外的利用研究进展。对黄粉虫在动物生产、食品应用、营养开发与利用、环境保护及农业生产等方面研究成果进行归纳总结。以期为同领域的深入研究和未来产业化发展提供参考。

关键词：黄粉虫动物生产食品应用营养开发环境保护农业生产

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聚酰胺-6黑芯切片的产生原因及预防

现代化工 2008年第7期28卷 75-78页

作者：易春旺王华平王朝生东华大学材料科学与工程学院上海201620

从聚合管的内件设计及由温度和真空所引起的聚合管液位波动等方面详细讨论了黑芯切片和凝胶物产生的原因。并通过前后聚的工艺控制模式、工艺条件的改变以及对工艺路线的改进等方面探讨了预防黑芯切片和凝胶物的产生。

关键词：聚合物黑芯切片凝胶物温度真空控制模式暴聚

Simulations of electron zebra stripes in the inner radiation belt using a composite empirical electric field model

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Science China Earth Sciences 2025年第1期68卷 27-38页

作者： Ziyang wang Ying LIU Qiugang ZONG Hong ZOU Yuguang YE Xuzhi ZHOU chao YUE Shan wang Institute of Space Physics and Applied Technology Peking University State Key Laboratory of Lunar and Planetary Science Macau University of Science and Technology

The phenomenon termed “zebra stripes” manifests as regular patterns in the energy-space(L shell) spectrum of energetic electrons(ranging from tens to hundreds ke V) within the inner radiation belt. These structures exhibit drift-periodic behavior and commonly arise from large-scale electric field perturbations near the substorm onsets. In this study, we introduce a composite electric field model and replicate the formation, structure, and evolution of zebra stripes using a bounce-averaged test particle code under this electric field model. High-resolution measurements of energetic electrons obtained from the Van Allen Probes and the recently launched Macao Science Satellites-1 are used as initial conditions and served to validate our test particle simulations. Comparative analyses between observed data and simulations demonstrate our test particle method's efficacy in capturing zebra stripes' general behavior. Moreover, the composite model proves capable of reproducing realistic variations in the electric field within the inner radiation belt to a certain extent. Nevertheless, subtle differences emerge in the flux strength and the positions of stripes. These disparities primarily stem from limitations inherent in the electric field model and the initial conditions of the simulation. Acknowledging that the model represents an average case, it is conceivable that real-world scenarios may deviate from the average, thereby introducing variations in the observed phenomena.

关键词： Zebra stripes Inner radiation belt Large-scale electric fields Van Allen Probes Macao Science Satellite

普通大学生对学校体育开展现状认可度的研究与分析

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山东体育学院学报 2011年第8期27卷 92-96页

作者：王胜超中国传媒大学北京100024

采用问卷调查法和数理统计法,分析研究了大学生对学校体育开展现状、对学校目前的体育文化现状的了解和认知。主要结论:学生对于体育的喜爱度与每周锻炼频度差距较大,对体育的喜爱情感并未显著地转化成为他们实际锻炼的行动;在体育课程... 详细信息

采用问卷调查法和数理统计法,分析研究了大学生对学校体育开展现状、对学校目前的体育文化现状的了解和认知。主要结论:学生对于体育的喜爱度与每周锻炼频度差距较大,对体育的喜爱情感并未显著地转化成为他们实际锻炼的行动;在体育课程方面,学生持比较满意的态度,并未对学生的体育情感和运动积极性有太大损害;主要的不满来自于课余体育活动方面,没有合适的同伴或组织、场地不足或租金太贵、得不到科学的指导是产生不满主要的原因;未能形成对学生有强大吸引力的非制度体育文化,使得非制度的体育文化对学生形成体育情感的促进作用未能得到充分的发挥。建议从课余体育活动入手,合理设置隐性课程,促进学生对体育的喜爱转变成为实际的锻炼行为。

关键词：学校体育体育文化满意度认可度大学生

Flexible Graphene Field‑Effect Transistors and Their Application in Flexible Biomedical Sensing

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Nano-Micro Letters 2025年第2期17卷 252-313页

作者： Mingyuan Sun Shuai wang Yanbo Liang chao wang Yunhong Zhang Hong Liu Yu Zhang Lin Han Institute of Marine Science and Technology Shandong UniversityQingdao 266237ShandongPeople’s Republic of China State Key Laboratory of Crystal Materials Shandong UniversityJinan 250100ShandongPeople’s Republic of China School of Integrated Circuits Shandong UniversityJinan 250100ShandongPeople’s Republic of China Shandong Engineering Research Center of Biomarker and Artificial Intelligence Application Jinan250100ShandongPeople’s Republic of China

Flexible electronics are transforming our lives by making daily activities more *** to this innovation are field-effect transistors(FETs),valued for their efficient signal processing,nanoscale fabrication,low-power consumption,fast response times,and ***,known for its exceptional mechanical properties,high electron mobility,and biocompatibility,is an ideal material for FET channels and *** combination of graphene and FETs has given rise to flexible graphene field-effect transistors(FGFETs),driving significant advances in flexible electronics and sparked a strong interest in flexible biomedical ***,we first provide a brief overview of the basic structure,operating mechanism,and evaluation parameters of FGFETs,and delve into their material selection and patterning *** ability of FGFETs to sense strains and biomolecular charges opens up diverse application *** specifically analyze the latest strategies for integrating FGFETs into wearable and implantable flexible biomedical sensors,focusing on the key aspects of constructing high-quality flexible biomedical ***,we discuss the current challenges and prospects of FGFETs and their applications in biomedical *** review will provide valuable insights and inspiration for ongoing research to improve the quality of FGFETs and broaden their application prospects in flexible biomedical sensing.

关键词： Flexible Graphene Field-effect transistor Wearable Implantable Biosensor

碳热原位合成SiC_w/Al_2O_3复相陶瓷粉体的制备工艺及反应机理

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人工晶体学报 2009年第5期38卷 1088-1092页

作者：王朝胜邹正光邵珊崔超龙飞中南大学粉末冶金研究院长沙410083 桂林理工大学有色金属及材料加工新技术教育部重点实验室桂林541004

本文以高岭土和纳米碳黑颗粒为原料,采用碳热还原原位合成工艺制备SiCw/Al2O3复相陶瓷粉体。通过研究合成温度、保温时间、原料配比以及氩气流量对合成产物的影响,借助XRD、SEM等技术手段进行测试表征,得到了合成工艺的最优参数,并探讨... 详细信息

本文以高岭土和纳米碳黑颗粒为原料,采用碳热还原原位合成工艺制备SiCw/Al2O3复相陶瓷粉体。通过研究合成温度、保温时间、原料配比以及氩气流量对合成产物的影响,借助XRD、SEM等技术手段进行测试表征,得到了合成工艺的最优参数,并探讨了碳热还原反应的机理。实验结果表明:高岭土与碳黑的摩尔比为1∶8,氩气流量为80mL/min,在1500℃下保温2h,可获得纯净的SiCw和Al2O3复相陶瓷粉体,SiC晶须的平均直径为300nm左右,长度大于6μm,长径比大于20,SiC晶须表面光洁,与氧化铝颗粒呈均匀分布。碳热还原高岭土合成SiCw/AlO,包括碳热还原SiO与碳热还原莫来石两个阶段,碳化硅晶须的生成遵循气-固(V-S)生长机理。

关键词：碳热还原 SiCw/Al2O3 合成工艺机理

Force and impulse multi-sensor based on flexible gate dielectric field effect transistor

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 214-220页

作者： chao Tan Junling Lü Chunchi Zhang Dong Liang Lei Yang Zegao wang College of Materials Science and Engineering Sichuan UniversityChengdu 610065China The 54th Research Institute of China Electronics Technology Group Corporation Shijiazhuang 050081China

Nowadays,force sensors play an important role in industrial production,electronic information,medical health,and many other ***-dimensional material-based filed effect transistor(2D-FET)sensors are competitive with nano-level size,lower power consumption,and accurate ***,few of them has the capability of impulse detection which is a path function,expressing the cumulative effect of the force on the particle over a period of *** we fabricated the flexible polymethyl methacrylate(PMMA)gate dielectric MoS_(2)-FET for force and impulse sensor *** systematically investigated the responses of the sensor to constant force and varying forces,and achieved the conversion factors of the drain current signals(I_(ds))to the detected impulse(I).The applied force was detected and recorded by I_(ds)with a low power consumption of~30 *** sensitivity of the device can reach~8000%and the 4×1 sensor array is able to detect and locate the normal force applied on ***,there was almost no performance loss for the device as left in the air for two months.

关键词： flexible gate dielectric transistor force sensor impulse sensor force sensor array

Preparation and Performance of Ternary Early Strength Agent and Quercetin Composite Cement Sealing Material

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Journal of Wuhan University of Technology(Materials Science) 2025年第1期40卷 130-140页

作者： LIU Jian CHEN Meiting JI Xiaoli XU chao wang Chunmei Department of Safety Science and Engineering Anhui University of Science and TechnologyHuainan 232001China Key Laboratory of Mine Safety and High Efficient Mining Jointly Built by Province and Education Ministry Anhui University of Science and TechnologyHuainan 232001China Department of Chemical Engineering and Explosives Anhui University of Science and TechnologyHuainan 232001China

A ternary early-strengthening agent consisting of calcium formate+triethanolamine+lithium sulfate was compounded with quercetin to shorten the setting time of cementitious materials while ensuring their early *** optimum ratio of the three early-strengthening agents was determined as 0.5%calcium formate+0.04%triethanolamine+0.4%lithium sulfate by response surface *** effects of the ternary early-strengthening agent composed of calcium formate+triethanolamine(TEA)+lithium sulfate on cementitious pore sealing materials under the synergistic effect of quercetin were studied by means of the performance tests of compressive strength,fluidity,and setting time,and the microstructural characterizations of X-ray powder diffractometer(XRD),thermogravimetry(TG-DSC)and scanning electron microscopy(SEM).The study shows that the synergistic effect of ternary early-strengthening agent and quercetin forms a multi-performance composite admixture for cementitious *** best performance was obtained with the compounding scheme of 0.5%calcium formate+0.04%triethanolamine+0.4%lithium sulfate ternary early-strengthening agent and 0.05%*** compressive strength of 1,3,7,and 28 d are 94.8%,39.8%,42%,and 28%higher than those of the blank group,*** initial time and final setting time are 41 and 57 minutes,*** to the microscopic analysis,the network and fibrous C-S-H gels generated by ternary early-strengthening agents are attached to the surface promoted by quercetin,which forms skeleton support while thickening and solidifying the cement slurry,which enhances the early compressive strength of the cement-based materials.

关键词： sealing material ternary early-strengthening agent quercetin synergetic effect response surface methodology

Boosting Oxygen Evolution Reaction Performance on NiFe‑Based Catalysts Through d‑Orbital Hybridization

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Nano-Micro Letters 2025年第1期17卷 281-292页

作者： Xing wang Wei Pi sheng Hu Haifeng Bao Na Yao Wei Luo State Key Laboratory of New Textile Materials and Advanced Processing Technology Key Laboratory of New Textile Materials and Applications of Hubei ProvinceSchool of Materials Science and EngineeringWuhan Textile UniversityWuhan 430200People’s Republic of China College of Chemistry and Molecular Sciences Wuhan UniversityWuhan 430072People’s Republic of China

Anion-exchange membrane water electrolyzers(AEMWEs)for green hydrogen production have received intensive attention due to their feasibility of using earth-abundant NiFe-based *** introducing a third metal into NiFe-based catalysts to construct asymmetrical M-NiFe units,the d-orbital and electronic structures can be adjusted,which is an important strategy to achieve sufficient oxygen evolution reaction(OER)performance in ***,the ternary NiFeM(M:La,Mo)catalysts featured with distinct M-NiFe units and varying d-orbitals are reported in this *** and theoretical calculation results reveal that the doping of La leads to optimized hybridization between d orbital in NiFeM and 2p in oxygen,resulting in enhanced adsorption strength of oxygen intermediates,and reduced rate-determining step energy barrier,which is responsible for the enhanced OER *** critically,the obtained NiFeLa catalyst only requires 1.58 V to reach 1 A cm^(−2) in an anion exchange membrane electrolyzer and demonstrates excellent long-term stability of up to 600 h.

关键词： NiFe-based catalysts d-orbital coupling Oxygen evolution reaction Anion exchange membrane electrolyzer