To meet the demand for high purity TEA in domestic market, 99% high purity triethanolamine (TEA) was prepared by a route using low purity TEA as raw material.
为满足国内市场对高纯度三乙醇胺的需求，采用以低纯度三乙醇胺为原料的生产路线，获得含量99％的高纯度三乙醇胺。
In a word, with anode solution as raw material, production of high-purity manganese carbonate is feasible in technicality, reasonable in process and considerable in economic benefit.
总之，以电解锰的阳极液为原料，生产高纯碳酸锰在技术上是可行的，工艺上是合理的，经济效益是可观的。
High purity zinc oxide powder is an important industrial raw material and its economic value is high.
高纯氧化锌粉是一种重要的工业原料，具有很高的经济价值。
High purity nano-sized magnesium hydroxide was prepared by impinging stream reaction crystallization method using bischofite (from Chaerhan salt lake, in Qinghai Province) as raw material.
采用撞击流反应结晶方法，以青海盐湖水氯镁石为原料，制备了高纯纳米氢氧化镁。
Raw material with high purity, suitable for high temperature, structure densified&uniform, inoxidizable.
原料纯度高，使用温度高，结构致密、均匀，抗氧化。
High quality of preparing for amorphous synthetic spinel and setting high purity of refractory production provides a new raw material.
优质预合成尖晶石的制取为不定形及定形高纯耐火材料的生产提供了新的原料。
The process so presented achieves merits of product with high purity and low cost in raw material.
采用环合法合成吡虫啉具有产品纯度高、原料成本低等优点，是吡虫啉生产的最佳工艺路线。
Said method features simple process, low cost, saving raw material, without environmental pollution, high recovery rate and good purity.
本方法工艺简便，成本低，节省原材料，无环境污染，回收率高，纯度好。
The obtained high-quality phosphine has purity of 95%, and can be directly used as a fresh-keeping gas or a raw material gas for preparing high-purity yellow phosphorus by pyrolytic decomposition.
制得的优质磷烷，纯度可达95％，可直接作为保鲜气使用或作为高温分解制取高纯黄磷的原料气；
The obtained high-quality phosphine has purity of 95%, and can be directly used as a fresh-keeping gas or a raw material gas for preparing high-purity yellow phosphorus by pyrolytic decomposition.
制得的优质磷烷，纯度可达95％，可直接作为保鲜气使用或作为高温分解制取高纯黄磷的原料气；
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