The salt effect of methyl acetate-methanol-water system by adding calcium chloride was studied at 20℃.

Anhydrous calcium chloride is used as the catalyst for preparing n-Butyl lactate formnte.

无水氯化钙为催化剂,乳酸、正丁醇直接酯化合成乳酸正丁酯.

Production: calcium chloride, magnesium chloride. Sales: chemical products ( excluding dangerous goods ).

生产: 氯化钙 、 氯化镁. 销售: 化工产品 ( 不含危险品 ).

Using 1 % calcium oxide has more single caffeine production rate, extraction rate and purity.

1%氧化钙水溶液单纯提取咖啡因的得率 、 提取率和纯度较高.

This paper discussed the preparation of calcium peroxide from calcium oxide and peroxide at normal temperature.

以生石灰和双氧水为原料,通过添加稳定剂,实现了过氧化钙的常规合成.

The Calcium Oxide is used to mix oxygen with the steel.

这些生石灰是用来将氧混合在熔化的钢水中.

A rare plagioclase feldspar with high calcium oxide content occurring in igneous rocks.

一种白色的晶状氧化物,用于制造氢化钙.

The melting characteristic of ore fines with calcium oxide during reaction is investigated.

研究了铁矿粉与氧化钙反应的熔化特性.

Carbothermic reduction of zinc sulfide in the presence of lithium carbonate and calcium oxide analysis ( TGA ).

本文探讨 碳酸 锂与氧化钙存在下的硫化锌碳热还原反应.

Calcium oxide can neutralize peptic acid better than calcium carbonate.

氧化钙较碳酸钙能中和胃酸.

Hydrated Lime , Quicklime , Calcium Hydroxide, Calcium Oxide, Calcium Carbonate, Refractory Products Chemical Supplies.

采购产品使成水化合物石灰, 生石灰,消石灰, 氧化钙, 碳酸钙, 化学品.

The crystallization course of dihydrate calcium sulphate affected by APA was also researched.

另外还研究了添加不同类型的活化疏松剂对二水硫酸钙结晶过程的影响.

Calcium sulphate whisker is a new nonmetal material prepared from gypsum.

硫酸钙晶须是由生石膏制备而成的新型非金属材料.

The crystals of gypsum hydrous calcium sulphate-are about half a metre in length.

一种白色或无色的矿物(含水硫酸钙),用作胶合材料(尤其是烧石膏).

Ca 0 and Al 2 O 3 in ash can raise decomposing temperature of calcium sulphate.

煤灰中氧化钙和三氧化二铝的存在,可以提高硫酸钙的分解温度,有利于固硫率的提高.

The crystals of gypsum-hydrous calcium sulphate-are about half a metre in length.

石膏水晶 - 含有水的硫酸钙 - 大约半米长.

The sherdscontain quartz, feldspar , calcspar and sericite as well as some charcoal.

陶片中含有石英、长石 、 方解石、绢云母等各种矿物颗粒,还含有一定量的炭.

Some of the consequences of this failure are calculable and some are not.

这些失败之处所带来的损失有的可以估量,有的却不能.

Its inputs might be calculable in string theory.

这些东西或许可以从弦论算出来.

Astronomers can calculate when there will be eclipses of the sun and moon.

天文学家可以算出何时发生日食和月食.

These observations were used to calculate the maximum ground temperatures at the time of the explosion.

曾经利用这些观察结果计算在爆炸时地面的最高温度.