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The Oxidation Behavior of V-4Cr-4Ti in Flowing Argon Gas at Elevated-Temperature

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中国核科技报告 1998年第S5期 3-5页

作者： chen jiming YANG Lin xu zengyu xu ying DENG ying

V-base alloys are attractive materials for application to the first wall/blanket structure of a fusion reactor. A major concern regarding to its use is its chemical reactivity at elevated-temperature with the constitu... 详细信息

关键词： Vanadium alloy High temperature oxidation

The Influence of Hydrogen on the Tensile Properties of Vanadium Alloy

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中国核科技报告 1999年第S3期 90-91页

作者： chen jiming YANG Lin xu zengyu

Vanadium alloy has the potential advantages over other structural materials for fusion application. It is not only good in high temperature property, high resistance to neutron irradiation and feasibility of fabrication, but also a typically low activation material. However, there still exist some key problem for its fusion application. They are hydrogen embrittlement, easily oxidizing at elevated temperature and neutron irradiation hardening of the alloy. In this paper, the influence of hydrogen on the tensile properties of two vanadium alloys was studied.

关键词： Vanadium alloy Tensile property Hydrogen embrittlement

The Brittle Fracture Mechanism of Vanadium Alloy with High Level of Oxygen and Hydrogen

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中国核科技报告 2002年 934-939页

作者： chen jiming xu zengyu YANG Lin LIU Xiang

Hydrogen embrittlement is one of the key issues for the vanadium alloys for fusion application[1] . Previous study has shown that V4Ti alloy had better properties against the embrittlement than V4Cr4Ti and V4Ti3A1 all... 详细信息

关键词： Vanadium alloy Hydrogen embrittlement Oxygen effect

Superficial Layer MHD Effect and Full-Cover Free Surface Flow Characterizing

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World Journal of Nuclear Science and Technology 2014年第2期4卷 65-72页

作者： zengyu xu Chuanjie Pan Xiujie Zhang jiming chen Southwestern Institute of Physics Chengdu China

Up to now, no a real full-cover liquid metal (LM) free surface flow have been successfully used in magnetic fusion devices as MHD instability and unavoidable rivulet flow. Recently, after we carried out a guidable free curve-surface flow on theoretically and experimentally, seeking for other way to get a full-cover free surface flow is also in implementing. The superficial layer MHD effect in free surface flow is experimentally observed. After compared and analyzed the characteristic parameters of the free surface flow, the conditions of full-cover free surface flow are found. Meanwhile, the new two parameters of surface cover ratio and rivulet flow index are introduced to characterize the flowing characteristic of the full-cover free surface flow under magnetic field. According to the analysis rule, for different liquid metal, there are the different unique conditions to meet full-cover free surface flow under magnetic field. This may be a way to solve free surface flow major MHD key issue for LM PFCs.

关键词： Liquid Metal Free Surface MHD Effect Divertor/Limiter Fusion

Overview of the Research and Development for Reduced Activation Ferritic/Martensitic Steel CLF-1

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Southwestern Institute of Physics Annual Report

Southwestern Institute of Physics Annual Report 2006年第1期 162-163页

作者： WANG Pinghuai xu zengyu chen jiming LIU Shi LI Xiongwei 不详 Institute of Metal Research Chinese Academy of Science 72 Wenhua Road Shenyang 110016 China

Recent accomplishment by the SWIP for the reduced activation ferritic/martensitic steel CLF-1 development has been reviewed. It＇s found that CLF- 1 steel has better room temperature tensile properties than Eurofer97 ... 详细信息

关键词： Reduced activation ferritic/martensitic steel Tensile properties Fully martensitic microstructure

Experimental Study on the Resistance to Hydrogen Embrittlement of NIFS-V4Cr4Ti Alloy

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中国核科技报告 2002年 939-943页

作者： chen jiming xu zengyu T. Muroga DEN ying 1) Japan National Institute of Fusion Science.

There are more and more countries to make an effort to the studies of vanadium alloy for fusion application. NIFS in Japan has recently developed an 80 kg heat

关键词： Vanadium alloy Hydrogen embrittlement

Location of the Protein of RSG6,a Predominantly Expressed Gene in Rice Sperm Cells

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Wuhan University Journal of Natural Sciences 2004年第3期9卷 375-380页

作者： LanLi-qiong Miaochen zengyu WangSheng-hua xuying TangLin BAIYu chenFang CollegeofLifeSciences SichuanUniversityChengdu610064SichuanChina

Using Western blot and immunohistochemistry analysis, here the localization ofRSG6 protein was determined in various tissues of rice. Western blot showed only a weak signal in mature pollen. Nevertheless, according to the result of immunohistochemistry with DAB and fluorescent staining, the expression ofRSG6 protein appeared to begin at the bicellular microspore stage, and then keep activity in the sperm cells of mature pollens. The fluorescence pattern showedRSG6 polypeptide was present close to or attached to the surface of the isolated sperm cells. And this suggested thatRSG6 might take an important part in the process of recognition of sperm cell and ovum. Key words Western blot - immunohistochemistry - location - protein - RSG6 - rice CLC number Q 939.91 Foundation item: Supported by the National Natural Science Foundation of China (30270090); the Doctoral Foundation of the Ministry of Education (98061001) and the Key Project of Natural Science Foundation of Sichuan Province.Biography: Lan Li-qiong (1967-) female, Ph. D; research direction: plant developmental biology and reproductive engineering.

关键词： Western blot immunohistochemistry location protein RSG6 rice

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Strengthen Vanadium Alloy by Aging and Its Thermal Stability

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Southwestern Institute of Physics Annual Report

Southwestern Institute of Physics Annual Report 2004年第1期 105-108页

作者： chen jiming T. Muroga T. Nagasaka QIU Shaoyu ZHANG Fu LI Chong LIANG Bo xu zengyu 不详 National Institute for Fusion Science Oroshi Toki Gifu 509 - 5292 Japan National Key Laboratory for Nuclear Fuel and Materials P. O. Box 436 Chengdu 610041 China

V-4Cr-4Ti is the leading candidate vanadium alloy for fusion applications as structural material of first wall and blanket. Due to the interaction between Ti and interstitial solutes of C, N, and O, precipitation occurs at elevated temperature. The behavior has been studied in the past few years by short time annealing and results showed that it may greatly affect its mechanical properties Ti-CON type precipitates, appearing at- 700℃ in the solid-solution annealed alloy in high number density and small size, strengthen the alloy significantly and reduce its ductility. As the ductility reduction is in an acceptable level, the strengthening might be utilized for a light and strong vanadium alloy structure. Before a conclusion, uncertainty of its thermal stability should be studied during the high temperature serves. Besides, seldom has been studied for the effect of long time aging on precipitation behavior and tensile properties of the alloy.

关键词： Vanadium alloy Precipitation hardening Tensile property

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植物重金属镉积累调控机制及其应用研究进展

植物生理学报 2024年第2期60卷 185-210页

作者：彭佳师王娅婷王梦琦卢玲丽汪鹏李柱李赛陈思颖孟栓顾天宇徐文忠晁振飞黄煜琪金崇伟晁代印陈彩艳吴龙华滕应赵方杰龚继明湖南科技大学生命科学与健康学院重金属污染土壤生态修复与安全利用湖南省高校重点实验室湖南湘潭411201 中国科学院分子植物科学卓越创新中心植物分子遗传国家重点实验室上海200032 浙江大学环境与资源学院教育部环境修复与生态健康重点实验室杭州310058 南京农业大学资源与环境科学学院作物遗传与种质创新国家重点实验室南京210095 中国科学院南京土壤研究所中国科学院土壤环境与污染修复重点实验室南京210008 中国科学院亚热带农业生态研究所中国科学院亚热带农业生态过程重点实验室长沙410125 湖南农业大学农学院长沙410128 中国科学院植物研究所北方资源植物重点实验室北京100093

镉(Cd)容易通过食物链对人体产生毒害,其引起的“痛痛病”是人类历史上重要的公共卫生事件。Cd是我国当前土壤中的主要无机污染物,“镉大米”等事件仍时有发生,严重威胁粮食安全和人体健康。植物作为初级生产者,是人体Cd暴露的的主要途... 详细信息

镉(Cd)容易通过食物链对人体产生毒害,其引起的“痛痛病”是人类历史上重要的公共卫生事件。Cd是我国当前土壤中的主要无机污染物,“镉大米”等事件仍时有发生,严重威胁粮食安全和人体健康。植物作为初级生产者,是人体Cd暴露的的主要途径。因此,阐释Cd向植物迁移、在植物体内的转运以及植物的Cd耐受机理,并依此指导低Cd作物的遗传改良和Cd污染环境的植物修复就具有重要的意义。本文综述了近10年来人们在植物Cd积累的调控机理、应对Cd污染的作物改良以及植物修复等方面的基础研究和应用成果,同时也探讨了该领域未来亟待解决的一些重要科学问题以及作物遗传改良设计的途径。

关键词：镉低镉作物育种植物修复重金属超积累修复型作物

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