查询词典 material science

Therefore it is necessary to research the mechanism of greensand used for high compacted molding methods thoroughly.This subject is one section of the National Natural Science Foundation subject ""Ivestigation on Predicting Method and Mechanism of Springback for High Compacted Sand Molds"", followed of the other completed one named ""Research on Microdeformation of Molding Sand"". A serious of experiments has been done on the reequipped three axial machine under certain technological conditions, and the mechanics, material science, rheologic science. It is systematically studied that the influences on the springback of sand mold were caused by the main influence factors: pressure, compacted rate and the content of soil. Through the analyzed experiments' data, the experienced stress-strain relationship concerning the main influence factors were obtained;under different technical parameter, the springback and spingback's potential energy are compared, the differences and indifferences between them are found out, and the springback's mechanism is discussed;according to the tests' data of YangGuoping coming from Tinghua University, experienced formula of molding sand's springback displacement is induced, the displacement and springback are compared, the margin of error's reasons are analyzed, and they are tested and verified mutually.

本课题为国家自然科学基金项目"高紧实度砂型预测方法及回弹机理的探讨"的一部分，是已结题的国家自然科学基金项目"铸造型砂微变形的研究"的后继，运用力学、材料学及流变学理论，利用改装的三轴仪，在一定的工艺条件下，作了大量系列实验，系统的研究了压实比压、紧实率和膨润土含量对砂型回弹的影响；对实验数据进行了分析和处理，得出了型砂关于压实比压、紧实率和膨润土含量的本构关系的经验公式；把各工艺参数下的型砂产生的回弹量与回弹势能进行比较，找出两者存在的异同点，并对回弹机理进行了探讨；通过清华大学杨国平的实验数据，推导出型砂回弹位移场的经验公式，并与实验测出的回弹量进行比较，分析误差造成的原因，并互相进行了验证。

The approaches in organic chemistry reveal the essence of bonding of atoms within the oranic chemicals which constituent the matters in the world, the law of organic molecules interconversion, and designs and synthesizes organic molecules with special structures. Meanwhile, it provides theory, technology and materials for related subjects such as material science, life science and environmental science.

有机化学学科的发展，揭示了构成物质世界的有机化合物分子中各原子间键合的本质以及有机分子转化的规律并设计、合成了具有特定结构的有机分子；它又为材料科学、生命科学、环境科学等相关学科的发展提供了理论、技术和材料。

For instance purchase equipment unit: Qinghua University, Shandong University, Shandong agricultural college, Hebei Province agricultural college, Shanghai medical college, Beijing capital medical college, Nanjing medical college, Wuhan chemical industry institute, Wuhan University of Science and Technology, Beijing Friendship Hospital, In the Suzhou nonmetalliferous ore research institute, Xinjiang the base natural purification high technology and new technology research institute, the Nanjing main source science and technology research institute, the Tianjin chemical industry research design institute, the Heilongjiang Province chemical industry research institute, the Hainan Province institute of pharmacology, the Chongqing treasure Xin group, the broad state established white group, the mansion Mungu dragon group seasoning company, in the Hsuchou graciousness China 药业 group, Kunming the friend group new material company, the Zhejiang Conn shell raises the face hall 药业 company, association abundant group Guizhou 药业, mountain Western Jin Dynasty new double crane 药业, Beijing double lucky 药业, Shanghai double-base 药业, the Shenzhen Jin'gang source new material science and technology development company, the North Sea fruit fragrant garden fruit juice limited company, the Jiangsu three instruments of torture aloe limited company, lucky fresh big Ze The spiral algae limited company, the rich farmer chemical industry company, the Hong Kong 沐 forest food industry group, the Jake mho industrial corporation, Ai Mote the company the Shanghai Kazak chemistry technology limited company, brightly reaches the labor trade limited liability company suddenly, the Jiangsu strength guarantees the building materials industry limited company, the Shanghai China valuable peacock essence spice limited company, user and so on Chongqing Asia mother substance technology company.

比如采购设备单位：、清华科技园股份有限公司，苏州非金属矿研究院、天津化工研究设计院、黑龙江省化工研究院、南京医科大学、武汉化工学院、武汉理工大学、海南省药物研究所、重庆钰鑫集团亚原生物技术公司、广州立白集团、厦门古龙集团、徐州恩华药业集团、南京蓝本科技研究所、河北省农业大学、昆明中友集团新材料公司、浙江康恩贝养颜堂药业公司、深圳金刚源新材料科技发展公司、北海果香园果汁有限公司、江苏三木芦荟有限公司、福清新大泽螺旋藻有限公司、富农化工公司、利农化工有限公司香港沐林食品工业集团、杰克姆工业公司、菲律宾国际医药公司、上海哈勃化学技术有限公司等用户。

Semiconducting TiO2 photocatalysis degradation is an important research field in physical chemistry, material science and environment science.

半导体TiO2光催化降解有机污染物是目前涉及物理化学、材料科学和环境科学等学科领域的研究热点。

It obtains the various optical images of the sample's nanometer surface, transcended the diffraction limit of conventional optical microscope, by using a fine optical-fiber tip probing ultra-high frequency optical information on the sample surface. And it has extensively been applied on life science, chemistry and material science fields.

它利用细小的光学探针探测样品表面隐失波的超高频空间信息，超越经典衍射极限的限制，可对样品表面纳米尺度区域的各种光学信息进行扫描成像，在生命科学、化学及材料科学领域中都有着广泛而重要的应用。

Zheng Wei was born in 1972, who, as a professor and graduate superior, was employed in the college of material science and engineering of Harbin University of Science and Technology. In 1993 she graduated in Harbin Institute of Technology and got Bachelor Degree. After hading gotten Master Degree of HUST in 1996, she got PH.D. in part time of HIT.

郑威，1972年生。材料科学与工程学院无机非金属材料系教师，教授，硕士生导师。1993年毕业于哈尔滨工业大学环境工程专业获工学学士学位；1996年毕业于哈尔滨理工大学绝缘材料与技术专业获工学硕士学位，同年留校任教； 2005年获得哈尔滨工业大学材料物理与化学工学博士学位。

Research in microstructure-controllable ladderlike polymer is aforward inter-and multidisciplinary field of polymer science,supra-molecular chemistry and material science.

微观结构可控的梯形高分子是高分子科学、超分子化学和材料科学的交叉和前沿。

Tissue engineering is a multidisciplinary science merging with cell biology, material science, engineering and chemistry. Its basic idea is to expand a number of cells in vitro and seed them on a polysynthetic biodegradable polymer structure, and finally enable the organization of 3-dimmentional and functional tissues or organs.

组织工程技术是融合了细胞生物学、材料科学、工程学和化学的一门边缘学科，它的基本思想是用少量组织细胞经体外培养扩增后播种在可降解的生物支架材料上，再回植入体内形成有功能的组织或器官。

It is considered that combinatorial technique will revolutionarily improve the development of material science.

材料的组合技术发展始于1995年发表在Science上的工作，引起了广泛的关注，随即引发了组合材料研究的热潮。

Recently, chemiluminescence has been exploited in different fields such as life science, environmental chemistries and material science. Studies in these fields have made greatly progresses in this way.

近年来，化学发光分析法为生命科学、环境科学及材料科学的研究提供了有效的分析手段，极大地推动了这些学科的发展。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。