Calculate the percentage by mass of nitrogen in urea and ammonium sulphate.

试计算氮在尿素及硫酸氨的质量百分率。

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硫酸铵液比过去多了。

METHODS The long circulating mitoxantrone liposomes were prepared by ammonium sulphate gradients method.

方法采用乙醇注入合并硫酸铵梯度法制备米托蒽醌长循环脂质体。

Three phases were formed by adding ammonium sulphate and t-butanol into the slurry of rice bran and water.

在稳定化米糠和水的悬浮液中加入硫酸铵和叔丁醇可以形成三相。

For example: ore, slag of blast furnace, coal, metallic powder, phosphorous fertilizer, ammonium sulphate and so on.

如：矿石、高炉矿渣、煤、金属粉末、磷肥、硫铵。

Conclusion The matrine liposomes with high entrapping efficiency can be prepared by ammonium sulphate gradient method.

结论采用硫酸铵梯度法可制得包封率较高的苦参碱脂质体。

An antagonistic substance produced by A30 was purified by ammonium sulphate precipitation, FPLC and HPLC and named P1.

A30菌株培养液经硫酸铵沉淀、FPLC疏水色谱、HPLC反相色谱后，纯化得到一种拮抗活性物质，命名为P1。

The results showed that dry weight of tea plant was significantly increased by applying tea leaf and ammonium sulphate.

硫酸铵显著促进新梢生长并提高氨基酸含量，施茶树鲜叶显著促进茶树根系生长。

And The best recipe was drawn as follows: ammonium sulphate 0.5%, ferrous sulfate 0.2%, potassium phosphate dibasic 0.1%.

通过单因素和正交试验得到了无机盐的最适添加量：硫酸铵添加0.5%，硫酸亚铁添加0.2%，磷酸氢二钾添加0.1%。

The structure character and working principle of the 2 patented equipment used in the Ammonium Sulphate Plant is intro-duced.

文中介绍了应用在硫铵装置的2台新设备的结构特征和工作原理。

Pure enzyme was obtained by using the salt fractionation with ammonium sulphate, the ion-exchange chromatography and the gel filtration.

使用硫酸铵分级盐析，离交色谱，凝胶过滤可获得纯净的酶。

Fetal lymphocyte inhibitory factors (FLIF) are prepared by means of the successive two-step salting-out procedure using ammonium sulphate.

本文用二步分段盐析法，制备了胎儿淋巴细胞抑制因子(FLIF)。

METHODS the long circulating mitoxantrone liposomes were prepared by ethanol injection combined with the ammonium sulphate gradients method.

方法用乙醇注入合并硫酸铵梯度法制备米托蒽醌长循环脂质体。

In this paper, ammonium sulphate was prepared from phosphogypsum and ammonium carbonate, and the kinetics of the reaction process is studied.

以磷石膏和碳酸铵为原料制备硫酸铵，对反应过程的动力学进行了研究。

All right, Mrs. Mary. As a token of friendship, we accept your counteroffer for ammonium sulphate for 50,000 tons, at 270 French francs per metric ton F.O.B., Marseilles.

好吧。玛丽。作为友谊的表示。我们接受你方对五万吨硫酸铵的还盘。即每公吨马赛船上交货价270法郎。

The composition of the substratum for the bacteria is maize powder, soybean powder, ammonium sulphate, magnesium sulphate and manganese sulphate etc. inorganic salt.

该菌使用的培养基主要成分有玉米粉，黄豆粉，硫酸铵，硫酸镁和硫酸锰等无机盐。

Ammonium sulphate with calcium carbonate as gross by-product could be obtained from the raw materials including phosphogypsum, ammonium bicarbonate and ammonia water.

以磷石膏、碳酸氢铵和氨水为原料制备硫酸铵，并用盐酸处理碳酸钙粗品制备氯化钙。

The process technologies, selection of equipment and its corrosion in the production of potassium sulphate from potassium chloride and ammonium sulphate are discussed.

提出以硫酸铵和氯化钾为原料，复分解制取农用硫酸钾的工艺条件及工艺流程，并探讨生产中设备选择及腐蚀问题。

OBJECTIVE to investigate the preparation of the lo ng circulating mitoxantrone liposomes with ammonium sulphate gradients method and to evaluate the quality of the liposomes.

目的利用跨膜硫酸铵梯度法制备米托蒽醌长循环脂质体并对其质量进行评价。

This paper presents a multiple step and continuous precipitation experiment method to determine the accurate saturation percentages of ammonium sulphate precipitating enzymes.

采用分步连续沉淀酶方法，确定硫酸铵沉淀饱和百分数范围。

A simpler method for preparing haptoglobin from the waste residue of Rivanol - ammonium sulphate fractionation of human serum during the production of human immunoglobulin is described.

本文报告了从利凡诺-硫酸铵法生产人血免疫球蛋白的废渣中，制备结合珠蛋白的一种简易方法。

Adsorption equilibrium on quaternary ammonium resin in uranyl sulphate solution, which is similar to composition used in uranium hydrometallurgy, was studied by chemical equivalent method.

本文采用化学当量法研究了季铵树脂在组成接近铀水冶条件的硫酸铀酰-硫酸钠溶液中的吸附平衡。

Compared with sulphate pulping process, neutral ammonium sulphite process had the advantages of higher yield and whiteness of unbleached pulp.

与硫酸盐制浆相比，中性亚铵法制浆工艺具有得率高和浆料颜色浅等特点。

The influence of ammonium molybdate, cobalt sulphate, ammonium bifluoride, acidity of blackening bath, blackening bath temperature and time on film quality were studied.

研究了钼酸铵、硫酸钴、氟化氢铵、黑化液酸度、黑化液温度及时间对膜质量的影响。

The paper describes the development and application of a special complex fertilizer containing flue -cured tobacco ammonium nitrate-ammonium phosphate-potassium sulphate.

介绍硝酸铵-磷酸-铵—硫酸钾系高浓度烤烟专用复合肥的开发应用。