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.

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.

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.

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.

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.

Owing to the high temperature, special alloys are used.

由于温度高, 要用特殊合金.

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.

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.

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.

These alloys weld at different heats.

这些合金可在不同的温度[热度]熔接.

Copper-zinc alloys are called substitutional alloys.

铜锌合金叫做替代式合金.

Different metals are blended together to make alloys.

合金由不同的金属掺合制成.

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.

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.

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.

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.

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.

Allport is a pioneer in personality psychology.

奥尔波特是人格心理学的先驱.

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 ?