查询词典 material

There are many objects which contain ferromagnetic material in power system, such as dynamotor、 transformer and so on. The magnetization and hysteresis of ferromagnetic material affects the working performance of the electric object.

电力系统中存在着如发电机、变压器等大量含有铁磁性材料的元件，铁磁性材料的磁化、磁滞特性对这些元件的运行性能有很大的影响。

Considerable economization is achieved by using less expensive packaging material, and also by reducing transport costs incurred from the supply of the packaging material, and the shipment of the finished packaged paper towels as well.

相当大的节约是通过使用成本较低的包装材料，并通过降低运输成本-从包装材料供应的费用，以及成品的包装纸巾以及装运。

Dielectric elastomer can yield extremely large strain and elastic energy density in DC electric field, which makes it to be used as basic material of actuators for subminiature machine, even as ideal material of artificial muscle for subminiature robot in future.

电场活化聚合物在直流电场作用下会产生极大的应变和弹性能，这就使得这类材料可以用于作为微型机械中电致动器的基础材料，甚至被视为将来在机器人、特别是微型机器人中制造人造肌肉的理想材料。

Nonferrous metallurgy is based on metallurgical physico-chemistry and reaction engineering; its research fields involve pyrometallurgy, hydrometallurgy, electrometallurgy, material chemical metallurgy and the separation science and processes; it interrelates closely with ferrous metallurgy, heat engineering, environment engineering, material engineering, information technology, bioengineering, nano technology, chemical engineering, system engineering and artificial intelligence; and it has developed into an integrated and comprehensive engineering discipline.

日前，有色金属冶金学科已经发展成为以冶金物理化学、冶金反应工程学为基础，研究领域包括火法冶金、湿法冶金、电冶金、材料化学冶金、冶金分离科学及过程，与钢铁冶金、热能工程、环境工程、材料科学与工程、化学工程、系统工程、人工智能等学科紧密相关的体系完整、内容广泛的工程技术科学。

In a feudal society which was lasted more than 2000 years, thehistorians、 philologists and educationists such as Confucius、 zhiji Liu、 guangSima、 xuecheng Zhang and so on, had melt the theories and practices of the studyof catalogue, edition, emend, history compile and archive material compile togetherin their practices of material arrangement and history study, by earnestly studyingand summarizing the principals and methods they had advanced a lots of valuableviews, which had provide a better base to the formation and development of archivematerial compile in our country.

在我国长达两千多年的封建社会里，孔子、刘知几、司马光、章学诚等历史学家、文献学家、教育家在文献整理和史学研究的实践中，熔目录学、版本学、校勘学、历史编纂学及档案文献编纂的理论和方法于一炉，对档案文献编纂的原则和方法进行了认真的探讨和总结，提出了不少有价值的见解，为我国档案文献编纂学的形成和发展奠定了较好的基础。

To put it in the ecological balance is a certain amount of time and conditions, the nature of each ecosystem ongoing cycle of material and energy exchange, energy and material input and output for the time being in the stability of the state.

生态平衡说得是在一定的时间和条件下，自然界的每一个生态系统不断进行物质循环和能量交换，物质和能量的输出和输入处于暂时的稳定状态。

A gasbag (shake-proof bag) substitutes the past contaminative material like epispastic papery material. Compared with the traditional packaging its cost is reduced more than two times and the cost of the transportation more than two times; the dilapidation rate of goods is zero; energy is saved illimitably; the cost is low; its temper is high; it's not fragile and is used conveniently and recycled.

实用新型的气囊包装袋是将真空和充气功能结合起来，使内袋真空固定所包装物品，内外袋之间充气产生气囊，利用气囊的缓冲原理使内袋所固定的物品得到最安全的保护，可根据所包装物品的形状设计相应的形状，从而使得物品包装达到最小体积。

Those who use rich tall flexibility is thermoplastic the sole that polyurethane material squashs or injects, with its admirable flexibility and; of wearability develop a school of one's own use epispastic small Kong Ju ammoniac ester material makes sole, outside dividing all superior performance that have itself, still make large base to light quantified development to stride one stride.

用富有高弹性的热塑性聚氨酯材料挤压或注射的鞋底，以其极佳的柔韧性和耐磨性独树一帜；用发泡的微孔聚氨酯材料制作鞋底，除具有本身的一切优异性能外，还使大底向轻量化发展迈进了一大步。

They cationic monomer Acryloyloxyethyl ethyl trimethyl ammonium chloride and resource-rich, low price, low values of weathering burning coal as its main raw material, aqueous dispersion polymerization methods, through the weathered coal / cationic monomer in-situ polymerization in the international arena for the first time prepared by a high efficiency oil-bearing wastewater treatment agent; use of oil-field wastewater treatment, the waste slurry as raw material, has developed the world's first CWS dispersants and oil fields of the "three mining" using profile control plugging agent, in order to The high value of solid waste has opened up new avenues of applications; integration of related technologies, and open up for the oil field wastewater treatment, an annual output of 300 tons of sets of processes and devices for the first time realized the slop oil and drilling fluid back row of the industrialization of treatment .

他们以阳离子单体丙烯酰氧乙基三甲基氯化铵与资源丰富、价格低廉、燃烧值低的风化煤为主要原料，采用水介质分散聚合方法，通过风化煤/阳离子单体原位聚合技术，在国际上首次制备出高效含油废水处理剂；采用油田废水处理后的废弃物泥浆为原料，在国际上率先开发出水煤浆分散剂和油田"三采"用调剖堵水剂，为固体废弃物的高值化应用开辟了新途径；集成相关技术，开拓出针对油田废水处理、年产300吨的成套工艺和装置，首次实现了油田污油水和钻井返排液的工业化处理。

The metal near the welding seam become sensitized because of the heat in welding process,the bad quality of the material and material change that contains some concentration of ethylate amine and Cl-are considered as the reasons for the corrosion of pipe.

同时由于处理的原料中含有较高浓度的Cl-以及混入了一定浓度的二乙醇胺，加剧了碱渣装置的管线腐蚀；提出了相应的防护措施。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044