PLASTIC

作品数:663被引量:869H指数:12
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相关领域:文化科学更多>>
相关作者:葛正浩徐峰李晓芳陈石峰贾颖莲更多>>
相关机构:中国科学院陕西科技大学清华大学轻工业塑料加工应用研究所更多>>
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The formation of deep sea plastic biotas
《Science Bulletin》2022年第7期674-675,共2页Xiaohua Li Weidong Sun 
supported by the Strategic Priority Research Program of Chinese Academy of Sciences (XDB42010403, XDA22050103, and XDB42020203);the Taishan Scholar Program of Shandong (ts201712075);the National Natural Science Foundation of China (41903003);China Postdoctoral Science Foundation (2019M652490)
Deep sea plastic biotas are formed by floating plastics that sank after biofouling.Plastics with nutrition and high biodiversity attract deep sea creatures and act as stepping-stone for biological striding.Plastics ar...
关键词:PLASTICS hundreds FOULING 
Dynamic deformation behavior of a face-centered cubic FeCoNiCrMn high-entropy alloy被引量:16
《Science Bulletin》2018年第6期362-368,共7页Junyang He Qi wang Husheng Zhang Lanhong Dai Toshiji Mukai Yuan Wu Xiongjun Liu Hui Wang Tai-Gang Nieh Zhaoping Lu 
supported by the National Natural Science Foundation of China(51671018,51531001,51422101,51371003,and 51671021);111 Project(B07003);International S&T Cooperation Program of China(2015DFG52600);Program for Changjiang Scholars and Innovative Research Team in University of China(IRT_14R05);the Projects of SKL-AMM-USTB(2016Z-04,2016-09,2016Z-16);the financial support from the Top-Notch Young Talents Program;the Fundamental Research Funds for the Central Universities;the financial support by US-NSF under contract DMR-1408722
In this study, mechanical tests were conducted oil a face-centered cubic FeCoNiCrMn high-entropy alloy, both in tension and compression, in a wide range of strain rates (10^-4-10^4 s^-1) to systematically investigat...
关键词:High-entropy alloys Dynamic deformation Deformation twinning Work-hardening Plastic stability 
Effects of size variation and spatial structure on plastic response of plant height to light competition被引量:8
《Chinese Science Bulletin》2010年第12期1135-1141,共7页CHEN ShuYan ZHANG JiaLin JIA Peng XU Jin WANG Gang XIAO Sa 
supported by the National Natural Science Foundation of China (Grant Nos. 40901019, 30770360 and 20776112);the Research Fund for the Doctoral Program of Higher Education of China (Grant Nos. 20070730047, 20070730051);China National Funds for Distinguished Young Scientists (Grant No. 30625008);the National Basic Research Program of China (Grant No. 2007CB108902)
Plants only interact with neighbors over restricted distances,so local conditions are of great significance for plants.In this study,a spatially-explicit,individual-based model was constructed to explore the effects o...
关键词:空间结构 光响应 竞争 塑料 株高 空间分布格局 变异单株 生长曲线 
A new way for chemical degradation of plastic by natural volatile constituents of Ledum palustre被引量:1
《Chinese Science Bulletin》2003年第16期1718-1721,共4页XIUZhilong ZHUXiuling ZHANGDaijia YINJianzhong WANGDehe ANLijia 
A novel phenomenon of degradation ofpolypropylene plastic by volatile constituents of Ledum palustre is reported in this study. The characteristic ofdegradation is described by tensile strength, melting point,and scan...
关键词:聚丙烯塑料 降解作用 挥发性要素 电子显微图 光谱测定法 拉申力量 熔点 
Formation of nanocrystalline during flash welding of 0Cr16Ni22Mo2Ti steel
《Chinese Science Bulletin》2001年第3期210-212,共3页ZHANG Fucheng, ZHANG Ming, HU Baitao & WANG TianshengCollege of Materials Science and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China 
A nanocrystalline layer was fabricated in bond area of OCrl6Ni22Mo2Ti austenite steel using flash welding. The mean grain size near bond line is about 20 nm, and the farther the distance from bond line, the larger the...
关键词:NANOCRYSTALLINE materials FLASH WELDING PLASTIC deformation. 
Could tectonic overpressure cause ultrahigh-pressure metamorphism?被引量:2
《Chinese Science Bulletin》1999年第24期2295-2298,共4页Qingchen Wang Jingbo Liu Bolin Cong 
Could ultrahigh-pressure metamorphic rocks be caused, at depth of 32 km, by tectonic overpressure resulting from differential stress? The differential stress is limited by rock strength, which depends on strain rate a...
关键词:ULTRAHIGH-PRESSURE TECTONIC OVERPRESSURE PLASTIC deformation. 
Improvements of the crystallographic approach to plastic strain ratio in deep drawing steel sheets
《Chinese Science Bulletin》1996年第19期1606-1609,共4页赵骧 徐家桢 梁志德 黄丽明 
Project supported by the Doctor Foundation of the state Education Commission of China ;the Doctor Foundation of Liaoning Province.
Among various methods for calculation of the plastic strain ratio (γ value) of deep drawing steel sheet, the crystallographic approach is rather preferred because it is founded on the slip action during the crystal p...
关键词:PLASTIC STRAIN ratio TAYLOR FACTOR ODF. 
Plastic flow of sphene in high pressure mylonite被引量:2
《Chinese Science Bulletin》1995年第8期655-658,共4页陈晶 赵中岩 王启明 
1 Previous study and geological background Sphene is a common accessory mineral in igneous and metamorphic rocks. It is usuallynot deformed because it is more competent than the major rock-forming minerals, such asqua...
关键词:SPHENE DISLOCATION TWIN PLASTIC flow. 
PRINCIPAL SHEARING STRESS LOCUS THEORY OF AXISYMMETRICALLY PLASTIC FLOW
《Chinese Science Bulletin》1992年第22期1924-1928,共5页王仲仁 胡卫龙 
The slip-line method is one of the fundamental solving methods for the plastic deformation. However, the existing slip-fine theory, strictly speaking, is only confined to solving a rigid-perfectly plastic material und...
关键词:axisymmetrically PLASTIC FLOW principal SHEARING STRESS LOCUS 
THE PLASTIC DEFORMATION BEHAVIOR OF TiAI BASED ALLOYS
《Chinese Science Bulletin》1990年第16期1397-1400,共4页蒲忠杰 祝东 朱静 蔡其巩 邹敦叙 
Project supported by the National Natural Science Foundation of China.
Kawabate et al. show that the yield strength of TiAl binary compound increases with increasing temperature, the unusual positive stress-temperature dependence(defined as R effect below)is found by compression experime...
关键词:TIAL COMPOUND PLASTIC DEFORMATION Reffect. 
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