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作品数:927被引量:1263H指数:16
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High electrocaloric cooling power of relaxor ferroelectric BaZr_xTi_(1–x)O_3 ceramics within broad temperature range
《Science Bulletin》2018年第6期356-361,共6页Jianfeng Qian Penghao Hu Chen Liu Jianyong Jiang Zhenkang Dan Jing Ma Yuanhua Lin Ce-Wen Nan Yang Shen 
supported by the National Natural Science Foundation of China (51625202,51532003,and 51572141);the National Basic Research Program of China (2015CB654603);National Key Research & Development Program of China (2017YFB0701603)
Electrocaloric effect (ECE) is much promising to realize high efficiency and environment friendly solution in solid cooling devices. Relaxor ferroelectrics are good candidates for the materials with high elec-trocal...
关键词:Electrocaloric effectRelaxor ferroelectricsPiezoresponse force microscopy Domain structure 
Integrated materials design and informatics platform within the materials genome framework被引量:3
《Chinese Science Bulletin》2014年第15期1755-1764,共10页Zhuo Wang Xiaoyu Yang Yufei Zheng Qilong Yong Hang Su Caifu Yang 
partially supported by Hundred Talents Program of Chinese Academy of Sciences;Director Funding of Computer Network Information Center,Chinese Academy of Sciences;the‘‘China Engineering Science and Technology Knowledge Center’’of Chinese Academy of Engineering for the support and funding on the metal material information platform
The fundamental idea of materials genome initiative is the integration of computing platform,experimental platform,and data platform to speed up the material innovation hence reduce time and cost.This paper describes ...
关键词:合材料 基因组 信息平台 材料数据库 设计 框架 数据平台 计算平台 
Molecular dynamics simulation of water conduction within carbon nanotube被引量:3
《Chinese Science Bulletin》2013年第1期59-62,共4页ZHOU Yi DONG ShunLe 
Water molecule transportation through a single-walled carbon nanotube under a charge influence on tube was simulated.As the charge located at middle tube increases from 0.0e to 0.7e,water molecular orientations develo...
关键词:单壁碳纳米管 分子动力学模拟 水分子 传导 管内 双极性 渗透 电荷 
Seasonal variation of the temperature profile and its characteristics within urban roughness sublayer被引量:3
《Chinese Science Bulletin》2009年第3期468-473,共6页WANG XiQuan WANG ZiFa GUO HU 
Supported by the Knowledge Innovation Project of the Chinese Academy of Sciences (Grant No. KZCZ2-YW-219);the Frontier Research of IAP of Chinese Academy of Sciences (Grant No. 8-070204)
By using conventional micro-meteorological observation data of Beijing Yuetan Park Tower (180 m), the temperature profile of urban boundary layer (UBL), its characteristics and seasonal variation are analyzed. The mai...
关键词:城市边界层 温度 季节变更 北京 
Experimental and modeling studies on number and size spectrum evolutions of aerosol particles within a chamber被引量:1
《Chinese Science Bulletin》2007年第10期1302-1306,共5页SUN Zai HUANG Zhen WANG JiaSong 
A size-specific aerosol dynamic model is set up to predict the evolution of particle number concentration within a chamber. Particle aggregation is based on the theory of Brownian coagulation, and the model not only c...
关键词:气溶胶粒子 模型 粒度谱 建模研究 凝聚作用 沉降 实验研究 
Solidification characteristics of Pb-Sb hypereutecticalloy within ultrasonic field被引量:5
《Chinese Science Bulletin》2007年第6期844-848,共5页ZHAI Wei HONG ZhenYu XIE WenJun WEI BingBo 
Supported by the National Natural Science Foundation of China (Grant Nos. 50121101, 50395105 and 50301012);the Graduate Starting Seed Fund of North-western Polytechnical University
The solidification of Pb-16%Sb hypereutectic alloy is investigated within ultrasonic field with a fre-quency of 15 kHz. It is found that the ultrasonic field promotes crystal nucleation and terminates the further bulk...
关键词:铅-锑过共晶合金 超声场 凝固特性 空化效应 强制振动 
Whole-rock Ar-Ar dating for low-grade metavolcanics within the Dabie orogen and its geological significance被引量:3
《Chinese Science Bulletin》2006年第12期1494-1500,共7页GAO Tianshan TANG Jiafu SANG Haiqing HU Shiling QIAN Cunchao 
The genetic relationship between low- grade and ultrahigh-pressure (UHP) metamorphic units in the interior of the Dabie orogen has been controversial with respect to preservation of volcanic texture during continental...
关键词:凝灰岩 大陆俯冲 氩-氩定年 造山带 超高压变形 
Expression of chromatin modification genes in organs of cloned cattle that died within hours after birth被引量:1
《Chinese Science Bulletin》2006年第2期170-175,共6页LI Shijie LIAN Zhengxing LI Dongjie YU Shuyang ZHANG Lei DAI Yunping LI Rong FEI Jing LI Ning 
This work was supported by the Biology Program of Chinese National Foundation of"863"(Grant No.2001AA213091);by the Major Program of Natural Science Foundation of Beijing(Grant No.5030001).
Cloning by somatic nuclear transfer is an inefficient process in which many of the cloned ani- mals died shortly after birth and displayed organ ab- normalities. In an effort to determine the possible genetic causes o...
关键词:核移植 器官缺陷 基因表达 染色质修饰酶基因 克隆牛 
Determination of trophic relationships within a Bohai Bay food web using stable δ^(15)N and δ^(13)C analysis被引量:12
《Chinese Science Bulletin》2005年第10期1021-1025,共5页WANYi HUJianying ANLihui ANWei YANGMin ItohMitsuaki HattoriTatsuya1 TAOShu 
This work was supported by the National Basic Research Program of China(Grant No.2003CB415004);the National Natural Science Foundation of China(Grant No.40021101);the Japanese Intermational Cooperation Agency.
This study measured stable carbon and nitro- gen isotope ratios in phytoplankton, zooplankton, five inver- tebrates species, eight fishes species and three seabirds spe- cies collected in Bohai Bay. δ 13C ranged from...
关键词:渤海湾 营养网 营养水平 生态环境 
IS THE NEWLY DISCOVERED SUB-MILLISECOND PULSAR WITHIN SN1987A AN OLD PULSAR?
《Chinese Science Bulletin》1990年第18期1529-1532,共4页陆埮 赵永恒 陆建隆 
The discovery of the neutrino burst phenomena of SN1987A explosion and its approval as of the type Ⅱ indicates that a new neutron star should have been formed there. This is the youngest neutron star ever known. Thus...
关键词:pulsar SUPERNOVA binary. 
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