杂质

Another is to wear face into the circle within the shell-like wear, such wear is not primarily the net result of adding the oil, so oil must be added without impurities.

另一种磨损是壳体内工作面成圆周似的磨损，这种磨损主要是添加的油液不净所致，所以必须添加没有杂质的油液。

The gas chromatography has extremely high sensibility to identify H_2, so it is a method to detect siderite which contains micro clays and impurity minerals with OH groups, vice versa.

由于气相色谱对H_2的检出灵敏度特高，可作为对菱铁矿中含有羟基结构的微量粘土及其矿物杂质的检测方法，反之亦然。

Burner Gas Singeing Machine This machine is used for singeing cotton, synthetic and their fabrics to burn to fuzz and foreign matters on the surface of the fabric.

四火口火烧毛机本机适用于棉、化纤及其混纺织物烧除织物表面的杂质和茸毛，也可以供织物冷堆处理的轧液卷装。

The Calcium particles combine with impurities in the steel to produce surface slag in the blast furnace.

钙颗粒与钢水中的杂质化合后在炼钢炉内形成一层表面炉渣。

Measuring conditions were analyzed,such as lamp current,slit width,air and acetylene flow.

铜是钢中的有害杂质，能使钢产生热脆性，破坏钢的焊接性能。

3 Chemical treatments, such as sodium dichromate solutions, may facilitate the more rapid formation of the passive film on a stainless steel surface already free of scale or foreign matter.

3.1.1.3 化学处理，例如重铬酸钠溶液，可以促进无氧化膜和杂质不锈钢表面的钝化膜更快速度的生成。

The method that sodium metasilicate pentahydrate which is made of natural silica has been introduced in this paper.

此方法的特点是：天然矿石来源广泛、除去杂质操作简便、能耗较低、一种原料得两种产品

Advanced DCS control, with a high degree of automation, energy conservation, environmental protection and other security features, an effective solution to the current ordinary protopine process of serious environmental pollution, three iron oxide, sodium chloride, such as high levels of impurities, the quality of instability and so on.

先进的DCS控制，具有自动化程度高，节约能源安全环保等特点，有效解决了目前国内普通片碱工艺环境污染严重，三氧化二铁，氯化钠等杂质含量偏高，质量不稳定等问题。

He was also one of principle founders for Chinese solid-state physics and semiconductor physics.

他从理论上预言了与晶格中杂质有关的X光漫散射，即著名的"黄散射"理论。

Meanwhile,the effect of nitrogen impurity on the properties of the synthetic diamond was studied by using the ESR spectrometry and spectrography.

利用电子自旋共振谱和摄谱方法研究氮杂质对人造金刚石性质的影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。