This paper describes hydrogen shield diffusion braze welding technology for precise parts of copper and compound metal.
本文阐述的是，铜及其合金精密零件氢气保护扩散钎接焊工艺问题。
This article introduces inner compound metal pipe manufacturing technology of the cold forming method, heat extrusion method and centrifugal foundry method as well as welding method.
介绍了国内外主要开发应用的冷成型法、热挤压法、离心铸造法和焊接法等内复合双金属复合管制造技术。
Inner compound metal pipe is used for the transmitting of liquid medium, it is not only prevent the harmful medium from corrosion of the pipe, but also save lots of metal material and reduce the cost.
内复合双金属复合管，用在流体输送中既有效的防止流体中有害介质对管道的腐蚀，又节约了大量的贵金属材料，从而降低了成本。
The metal particles, which were five nanometres (billionths of a metre) across, were themselves coated with a photosensitive compound called azobenzene.
而其中直径为5毫微米(毫微米：一米的十亿分之一)的金属颗粒表面会自动包裹上一层偶氮苯光感涂层。
Conventional CVD coating process requires a metal compound that will volatilize at a fairly low temperature and decompose to a metal when it contacts with the substrate at higher temperature.
常规的化学蒸发沉淀涂层工艺需要一种容易在相当低温度下挥发并且在较高温度下与基体接触时能分解成纯金属的金属化合物。
The progress in preparation and application of iron metal or its alloy nano-materials , iron compound nano-materials and iron composite nano- materials are reviewed.
综述了生物医用铁系单质、合金、化合物、 磁性微球和免疫磁性微球的制备方法、性能和应用，并对其进行了评述。
B. Chemically treat non-galvanized, non-bonderized metal surfaces with a phosphate compound to assure optimum paint adhesion.
对非镀锌的和未涂防腐剂的金属表面进行磷化处理，以保证油漆的最佳附着效果。
There are such types of pile combs as silver-mercury, thread compound, mould metal, combination. The thesis also discusses the making and the clinical application.
介绍了银汞合金桩核、螺纹桩复合树脂桩核、铸造金属桩核、组合式桩核的制作方法和临床应用。
Metal compound, catalyst component and polyaddition catalyst, and method for preparing addition polymer.
金属化合物，催化剂组分和加聚催化剂，以及制备加聚物的方法。
If these three metal load on the suitable carrier, to form the compound materials, possibly will solve this kind of phenomenon.
若将这三种金属负载于适合的载体上，形成复合材料，可能会解决这种现象。
"There is here a great melting pot in which we must compound a precious metal," said Wilson, as a million European immigrants poured into the us each year.
“这是一个伟大的熔炉，我们必须加入珍贵的金属，”威尔逊说，从那时起欧洲移民每年源源不断流入美国。
Transition metal compound has been the focus as anode material in lithium ion battery since it has high lithium storage capacity and new energy storage mechanism.
过渡金属化合物由于具有较高的储锂容量和崭新的储能机理，成为近些年锂离子电池负极材料中的研究热点。
Anion exchange capacity (AEC) is an important property of mixed metal layered hydroxide compound (MMLHC).
阴离子交换容量（AEC）是反映混合金属层状氢氧化物（MMLHC）电荷特性的重要指标。
Transition metal compound, olefine polymerized catalyst component, olefine polymerized catalyst, and method for producing olefine polymer.
过渡金属化合物，烯烃聚合催化剂组分，烯烃聚合催化剂和生产烯烃聚合物的方法。
At the same time, double compound layer which was composed of metal transition layer with high hardness and ceramic layer improved the service life and safe stability of the composite pipes greatly.
同时，高硬度的金属过渡层与陶瓷层组成的双层复合结构使复合管的使用寿命和安全稳定性显著提高。
Of, relating to, or constituting an organic compound containing a metal, especially a compound in which a metal atom is bonded directly to a carbon atom.
属于、关于或组成一种有机化合物，该化合物包含一种金属，特别是金属原子直接与碳原子相连的化合物。
In this paper, study on esterification reaction catalyzed with polymer compound of urushiol and metal salt was studied.
探讨了漆酚金属盐高分子复合试剂催化酯化反应的情况。
It analyses quadratic phase stainless and its metal compound generated from weld seam and HAZ, which affect welded pipe usage property.
分析了双相不锈钢及其焊缝和热影响区中产生的金属间化合物等二次相对焊管使用性能的影响。
An organic coordination (complexing) compound in which the metal ion is bound to atoms of nonmetals, e. g. nitrogen, carbon, or oxygen, to form a heterocyclic ring having coordinate covalent bonds.
一种配位(络合)化合物，其中的金属离子与氮、碳或氧等非金属原子结合生成有配位共价键的杂环。
The best process of Cu-Al rolling compound is analysed- The Cuotl compound mechanisms are understood by the effect of the metal state, the reduced ratio and the temperature.
研究了铜—铝轧制复合的最佳工艺，并通过轧前组元金属状态、压下率和温度对复合强度的影响，了解了铜—铝复合机理．。
Account of package materials of MEMS, including ceramics, plastic, metal material and metal compound material, etc was given.
本研究综述了MEMS的封装材料，包括陶瓷、塑料、金属材料和金属基复合材料等。
Based on density functional theory (DFT) and B3LYP method, we made a theoretical study of the reaction system involving organic transitional metal compound. We studied the mechanism of each reaction.
本文采用密度泛函理论B3LYP方法对有机过渡金属化合物参与的化学反应体系进行了理论研究。
Porcelain enamel belongs to the inorganic nonmetallic material, it is one kind of compound materials, which was coated on the metal surface and burned under high temperature.
搪瓷材料属于无机非金属材料，它是一种深覆在金属表面的一层或多层玻璃质釉，在高温下烧制而成的金属与无机氧化物牢固结合的复合材料。
Being as catalysts, several transition metal of compound can be used to air-blowing asphalt, such as iron, cobalt and manganese.
以铁、钴、锰等过渡金属的化合物作为催化剂，对沥青催化氧化。
Methods of making particulate mineral materials coated with at least one metal compound are also disclosed.
还公开了制造涂布有至少一种金属化合物的颗粒矿物材料的方法。
Particulate mineral materials comprising at least one coating comprising at least one metal compound are disclosed.
公开了包括含至少一种金属化合物的至少一种涂料的颗粒矿物材料。
Uses for metal compound coated particulate mineral materials are also disclosed.
还公开了金属化合物涂布的颗粒矿物材料的用途。
In one aspect, the metal compound comprises a salt comprising a metal cation and an anion.
在一个方面，金属化合物包括包含金属阳离子和阴离子的盐。
In one aspect, the metal compound comprises a salt comprising a metal cation and an anion.
在一个方面，金属化合物包括包含金属阳离子和阴离子的盐。
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