The paper dissertated the impurity distribution of titanium sponge and its affect on product quality.
本文论述了海绵钛产品的杂质分布及对产品质量的影响。
The result indicated that temperature, stress and impurity can give definitive effect on shape, size, quantity and distribution of spherulites.
结果表明：温度、应力及杂质对球晶形态、大小、多少、分布均有影响。
A series of general formulae of impurity concentration distribution along the ingot after point-doping zone melting has been derived.
得到了点掺杂区熔后杂质沿锭长分布的一系列普遍公式。
When the existing method is adopted for preparing aluminum nanometer powder, impurity can be introduced easily, the period is long, and the uniformity of size distribution of the product is bad.
利用现有方法制备铝纳米粉时易引入杂质，周期较长，产物尺寸分布均匀性较差。
The temperature distribution of the tuyere as well as the influence of impurity and incrustation scale on the temperature field of the tuyere were investigated using numerical simulation method.
为此，用计算机模拟的方法研究了高炉风口的温度分布及杂质含量和水垢对水冷铜风口温度场的影响。
The general relationship between average mobility of carries and average conductivity in a doped layer with an arbitrary impurity distribution has been established.
本文建立了非均匀次掺杂层载流子平均迁移率与平均电导的普遍关系。
A key to ore dressing of quartz sands includes rude ores of high or low quality, occurrence and distribution of detrimental impurity such as iron and aluminium in size grades of placer deposits.
石英砂原矿质量的优劣，有害杂质铁、铝的赋存状态及其在各粒级砂矿中的分布，是决定选矿效果的关键。
A key to ore dressing of quartz sands includes rude ores of high or low quality, occurrence and distribution of detrimental impurity such as iron and aluminium in size grades of placer deposits.
石英砂原矿质量的优劣，有害杂质铁、铝的赋存状态及其在各粒级砂矿中的分布，是决定选矿效果的关键。
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