Brittleness is often a result of alloying.

Temperature selection of free alloys in wave soldering is introduced.

确定了几种无铅合金焊料最佳的波峰焊温度.

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Polarons, Excitons , Superconductivity, Dielectric, Magnetic Materials, Point Defects, Alloys.

偏振子 、 激子 、 超导 、 介电子 、 磁性材料 、 点缺陷 、 合金.

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Dodecyltrimethoxysilane ( DTMS ) films were prepared on LY 12 aluminum alloys by electrochemical deposition.

采用电化学技术在LY12铝合金表面沉积制备了十二烷基三甲氧基硅烷 ( DTMS ) 膜.

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The most preferred components of hot galvanizing Zn-Bi alloys are determined.

确定了锌铋多元合金的最佳配方.

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Ni-Co alloys were deposited by applying current pulses from a sulfate electrolyte.

在硫酸盐电解液中,采用脉冲电源电沉积了镍钴合金.

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Owing to the high temperature, special alloys are used.

由于温度高, 要用特殊合金.

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Fortunately, iron or iron alloys are available which combine high permeability with small hysteresis loss.

幸而, 目下已有兼备高磁导率和低磁导率损耗的铁和铁合金,可资利用.

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A number of metals and alloys, how ever , are difficult to silver-solder and require special procedures.

但是有许多金属和合金是难于银焊的,因此需要采用专门的工艺方法.

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To produce satisfactory lead parts, the lead alloys should meet certain material specifications.

为能生产合格的铅零件, 铅合金必须符合一定的材料规格.

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These alloys weld at different heats.

这些合金可在不同的温度[热度]熔接.

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Copper-zinc alloys are called substitutional alloys.

铜锌合金叫做替代式合金.

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Different metals are blended together to make alloys.

合金由不同的金属掺合制成.

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The lack of deep hardening in these alloys negates their use.

这些合金缺乏深层硬化能力使它们无法利用.

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This is essentially a development of thoria dispersion strengthened nickel alloys.

这基本上是用二氧化钍弥散强度化的镍基合金.

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Allozyme data indicated that, 7 allozyme loci were encoded by 22 alleles across 40 populations.

通过等位酶分析,在40个居群材料中7个位点发现了22个等位基因.

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Allozyme data revealed a moderate interspecific difference between Hynobius amurensis and H.

同工酶数据显示义乌小鲵和安吉小鲵之间存在中等水平的种间差异.

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Allport G W was the founder of Humanistic Psychology and Healthy Personality Psychology.

奥尔波特是人本主义心理学的建立者之一,也是健康人格心理学的奠基者.

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Allport is a pioneer in personality psychology.

奥尔波特是人格心理学的先驱.

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He is very important to Gary, So lets not go there, allright?

他对加里很重要, 所以不要让他去那里好 吗 ?

Let's keep to the point. We can talk about that later. Allright?

让我们紧扣主题吧. 我们稍后再谈那个,好 吗 ?