The preparation of zinc sulfate heptahydrate and copper sulfate pentahydrate from calcined zincblende was investigated.

用经高温煅烧后的闪锌矿石与稀反应制备七水锌和五水铜。

EDTMPS shows better antiscale effects to calcium sulfate and barium sulfate.

EDTMPS对钙、垢的阻垢效果好。

Plumbite of sodium and sulfur method.

钠和铅法。

The disulphate was easily soluble in water.

焦盐易于水。

Adding sulphate to the solution will give a precipitate.

将盐加入该会产生沉淀。

Aim To observe the effect of Salamarum on the adverse effect of ketamine.

目的观察镁拮抗氯胺酮不良反应的效果。

Such as Vincristine Sulfate, Vinorelbine Bitartrate, NHDC and Hesperidin Methyl Chalcone.

例如长春新碱、酒石长春瑞宪，NHDC。

Objective To compare the effect of nitroglycerin and magnesium sulfate on eclampsism.

目的比较硝甘油与镁治疗子痫前期的效果。

More ammonium sulphate solution is being recovered in the process of distilling oil shale.

在提炼油页岩的过程中回收的比过去多了。

Add Ferroin indicator and titrate with 0.025 N ferrous ammonium sulphate solution.

加入亚铁菲绕啉离子，用滴定法测量亚铁。

It can oxidise sulphites, iron II and iodides.

它可以氧化亚盐，铁 II 离子和碘化物。

To establish a FAAS method to determine sodium in diosmin heptakis hydrogensulfate sodium.

建立火焰原子吸收光谱法测定地奥明七酯钠中钠含量的方法。

Phosphate rock is mixted with sulfuric acid and with revycled first-wash acid in a premixer.

磷矿在一个预混合槽中与以及循环回的第一洗涤进行混合。

Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.

与聚乙烯醇(PVA)经酯化制备PVA聚阴离子电解质。

A wet process dealing with deplating solution bearing nickel-copperto recovery nickel sulfate has been developed.

实验证明用湿法新工艺可成功地从镍、铜退镀废中回收镍。

Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一和丙酮反应,合成了新型高效的氧化剂二甲二氧环烷。

Ethyl lauryl alcohol respectively react with hydrobromic acid to product bromohydrocarbon,sulfuric acid for catalyst。

以正十二醇和氢溴为原料,在浓的催化下,生产溴十二烷。

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、代钠和溴代正丁烷为原料,合成了正庚醛正丁醇缩醛。

BPA is a substrate for estrogen sulfotransferase, and bisphenol A sulfate (BPAS) and disulfate are substrates for estrone sulfatase.

BPA是一个雌激素磺转移酶的底物，且二苯A盐（BPAS）和脱盐是雌激素酮酯酶的底物。

During preparing potassium sulfate or langbeinite,schoenite is the important middle resourses.

在钾或钾镁肥生产过程中,软钾镁矾是其中很关键的中间原料。