Nitrate process is a new technology to pretreat refractory arsenical ores, and has made considerable progress in the process development.
硝化法预处理含砷难冶金矿石是一种新工艺，并在过程开发方面取得重要进展。
A new combustion synthesis method, the glycine-nitrate process, has been used to prepare complex oxide ceramic powders of strontium-substituted lanthanum nickel.
用甘氨酸硝酸盐燃烧合成法，制备镧锶镍复合氧化物的陶瓷粉末。
Nitrate is inhibitor of the process of sulphate reduction , and have evident inhibition.
硝酸盐作为硫酸盐还原过程的抑制剂，表现了很好的抑制效果。
Whether there are superfluous nitrite or nitrate in the process of production is the question We took a detemination of nitrite or nitrate in the salted fish and pork by spectrophotometry.
但人们对腌制类食品总抱有一种畏惧的心理，唯恐食物在腌制过程中产生的亚硝酸盐或硝酸盐含量超标。
This paper discusses the kinetic model of autotrophic denitrification process in which sulphur is electronic donor and nitrate is electronic acceptor.
本文对用硫作为电子供体，硝酸盐作为电子受体，由脱氮硫杆菌进行的自养反硝化过程的动力学模型进行了研究。
Our results demonstrate that nitrate assimilation is an important process in rice regeneration and also provide an additional selectable marker for rice transformation.
我们的结果表明硝酸同化是水稻再生的一个很重要的过程，同时也为水稻转化提供了一个额外的选择标记。
The content of nitrate and nitrite in vegetable is not only controlled by fertilization and management in produce. But correlated with handling process after collection.
蔬菜中的硝酸盐和亚硝酸盐含量受许多因素的影响，不仅受生产过程中的施肥、管理等因素控制，而且与采集后经历的食前处理过程密切相关。
Conclusion The process of econazole nitrate suppositories was built up. Determination of econazole nitrate suppositories by HPLC can be used as method of econazole nitrate suppositories.
结论硝酸益康唑栓工艺可行，HPLC法测定本品中硝酸益康栓的含量可作为控制本品质量的指标。
Method for preparing phosphorus-potassium nitrate fertilizer by using waste water generated in synthetic process of 2, 4, 6-trichloropyrimidine.
利用2，4，6-三氯嘧啶合成过程中产生的废水制备硝酸磷钾肥的方法。
The technology for producing CAN is also described with the mixing process between melted ammonium nitrate and limestone.
介绍硝酸铵钙的物化性能，采用硝铵熔融液与石灰石混合法生产硝酸铵钙的工艺技术；
Fine mullite powder was synthesized by sol-gel process with tetraethoxysilane (TEOS) and aluminium nitrate as raw material.
以正硅酸乙酯和硝酸铝为原料，采用溶胶-凝胶法制备出了超细的纳米莫来石。
The super fine electrode materials were fabricated by a glycine-nitrate combustion process.
用甘氨酸—硝酸盐燃烧法制备了超细电极材料。
Phosphate, silicate, iron or nitrate can be limiting factor in the process of phytoplankton growing.
在海洋中，铁与硝酸盐、磷酸盐和硅酸盐都可能成为浮游植物的生长限制因子。
OBJECTIVE: To establish the preparation process and method of quality control of econazole nitrate ear-drops.
目的：建立硝酸益康唑滴耳液的制备及质量控制方法。
Through the test, the domestic KCl is purified by chemical precipitation process and can be met the requirement for the production of agriculture-grade potassium nitrate.
通过试验，初步确定了采用化学沉淀法可净化中国产氯化钾，并且净化后氯化钾满足硝酸钾生产的需要。
In denitrification process the denitrification rate over nitrite was 1.15 times higher of that over nitrate, thus, the denitrification time was also shortened.
反硝化过程中，对亚硝酸进行反硝化的速率比对硝酸盐进行反硝化的速率高1.15倍，缩短了反硝化所需时间。
The process condition of preparation of polymeric flocculant of graft copolymer of acrylamide onto starch by using ceric ammonium nitrate as initiator are studied in this article.
用硝酸铈铵作引发剂，研究了淀粉丙烯酰胺接枝共聚物高分子絮凝剂制备的工艺条件。
The present invention is related to an improved technological process for producing sodium nitrate by the double decomposition of calcium nitrate and sodium sulfate.
本发明涉及到对用硝酸钙和硫酸钠复分解而得硝酸钠的工艺的改进方法。
The activity product is important to control the manufacture of thiamine nitrate and to study the dynamics of crystallization process.
硝酸硫胺的活度积常数对于控制硝酸硫胺生产过程、研究结晶过程动力学、提高产品收率具有重要的理论指导意义。
A new process that industrial nitric acid reacts with iron chippings and shavings to produce ferrous nitrate solution is presented.
本文介绍了采用工业硝酸酸化废旧铁屑、制取硝酸亚铁溶液，并以该溶液为主要原料研制新型铁-铬系中温变换催化剂。
The catalytic hydrogenization process offers a practical approach to remove nitrate from water due to the high efficiency and the benefit free from secondary pollution.
催化加氢还原硝酸盐生成氮气具有高效、无二次污染等特点，是一种应用前景良好的脱氮技术。
By treating this precipitate with nitrous acid followed by a recrystallization process, copper (II) nitrate was recovered in 82.32% yield.
该沉淀经硝酸溶解和浓缩结晶可以得到硝酸铜，其回收率为82.32%(以铜含量为基准)。
In view of the nationally forbidden marketing on ammonium nitrate as chemical fertilizer, the nitro-based NPK process is put forward with raw material of ammonium nitrate by hemi-slurry technology.
由于国家禁止将硝铵作为化肥销售，提出用半料浆法将硝铵制成硝基NPK。
In view of the nationally forbidden marketing on ammonium nitrate as chemical fertilizer, the nitro-based NPK process is put forward with raw material of ammonium nitrate by hemi-slurry technology.
由于国家禁止将硝铵作为化肥销售，提出用半料浆法将硝铵制成硝基NPK。
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