生产方法

The article mainly introduced the type of abradant, production methods, production technics and especially introduced two kinds of abradant, the common aluminum hydroxide by sintering process and spherical aluminum hydroxide with sodium aluminate and carbon dioxide.

主要介绍了牙膏磨擦剂的种类、各类牙膏磨擦剂的生产方法和生产工艺，并重点介绍了两种氢氧化铝牙膏磨擦剂，即以烧结法工艺生产的普通氢氧化铝颗粒和由铝酸钠溶液和二氧化碳气体制备的球形氢氧化铝牙膏磨擦剂，并给出了两种氢氧化铝牙膏磨擦剂的工艺流程图、电镜分析图谱、物化性能和工艺指标。

The measure of cresol production and the cost of raw materials is introduced in this ar -ticle.

介绍了甲酚的生产方法和原料成本，与其它生产方法进行比较后，认为邻氯甲苯水解法制甲酚有很好的发展前景。

Cyclohexanone is a very important organic chemical intermediate and widely used in the production ofε-caprolactam,adipic acid and solvent.

本文介绍了环己酮的传统和最新生产方法；环己酮的十种下游产品的用途和生产方法。

At present, the production of pectin in China is still lagging. Because the traditional production in which ethanol is the precipitant costs higher, but the technology of salting out which costs lower is not prefect.

果胶生产目前在我国尚处于起步阶段，主要原因是传统的用酒精沉淀的生产方法成本过高，而低成本的盐析方法在技术上还不成熟。

The production method and processing conditions of sulfur,sodium hyposulfite, sodium hydrosulfide and thiourea from hydrogen sulfide tail-gas in the production of barium carbonate by carbonation method are introduced.

介绍了利用碳化法生产碳酸钡的硫化氢尾气生产硫磺、硫代硫酸钠、硫氢化钠和硫脲的生产方法和工艺条件，指出硫化氢的综合利用生产工艺简单，产品质量稳定，容易工业化，产品成本低，同时消除了硫化氢尾气对环境的污染，有巨大的经济效益和社会效益，发展前景非常广阔。

The process improvement of flaky sodium hydrosulfide production;2. The production method and processing conditions of sulfur,sodium hyposulfite, sodium hydrosulfide and thiourea from hydrogen sulfide tail-gas in the production of barium carbonate by carbonation method are introduced.

介绍了利用碳化法生产碳酸钡的硫化氢尾气生产硫磺、硫代硫酸钠、硫氢化钠和硫脲的生产方法和工艺条件，指出硫化氢的综合利用生产工艺简单，产品质量稳定，容易工业化，产品成本低，同时消除了硫化氢尾气对环境的污染，有巨大的经济效益和社会效益，发展前景非常广阔。

In the traditional lactic acid production methods, DL-lactic acid can be synthesized by chemosynthesis method, its cost is too high and its raw materials are venomousness; Optical purity lactate can be produced by Enzyme catalysis. Due to it"s more complicated technology and it"s high demanding for working condition, microbial fermentation has become the important method to produce lactic acid.

传统的乳酸生产方法中，化学合成法所用原料有剧毒，生产成本高：酶法生产乳酸工艺比较复杂，对生产条件要求较高，因此微生物发酵法生产乳酸成为乳酸生产的主要方法。

This paper introduced the typical application of glyoxylic acid in the synthesis of fine chemical products and the basic manufacture method.

本文介绍了乙醛酸在精细化学品合成中的典型应用和乙醛酸的基本生产方法，并比较了不同生产方法的各自特点，同时分析了乙醛酸的市场情况，指出了高质量乙醛酸将具有良好的市场前景。

Due to lutein loss in traditional production, a biological procedure described for Tagetes erecta in this article combines silage with enzymatic hydrolysis of the plant cell wall.

针对万寿菊花制备叶黄素的传统生产方法中叶黄素损失较多的情况，提出一重酶助青贮处理万寿菊花生产叶黄素的方法。

But utility time of this technology is not long at home, in addition, the majority of equipment is two-hand at home, and the craft technology was not introduced with it, so the people's understanding is limited to cast the copper alloy blank using the horizontal continuous casting method, the basic data lacks extremely, the copper alloy materials blank's quality is unstable, more than all, the research to the key component Graphite Crystallizer is insufficient, it affected the application of horizontal continuous casting in a certain.

但这一技术由于国内使用的时间不长，加之国内引进的大多数是二手设备，对工艺技术没有进行引进，因而人们对铜合金带坯的水平连铸生产方法认识有限，基础资料十分缺乏，生产的坯料质量不稳定，特别是对关键部件石墨结晶器研究不够深入，在一定程度上影响了水平连铸方法在铜合金带坯生产中的应用。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。