查询词典 ammonia process

On the basis of analysis of system characteristics, frequency conversion technique is adopted to transform an aqueous ammonia pump of high pressure in coal charging process without dust of coke oven, and the closed loop control is used, which have gained better effects.

通过系统特性分析，对焦炉无烟装煤工艺中高压氨水泵运用变频技术进行改造，并采用闭环调节，取得了较好的实际效果。

Process for the synthesis of cisplatin was studied for the purpose of energy saving,and alcohol ammonia method was chosen.

为达节能环保的目的，对顺铂的合成工艺进行了新的研究。

375 The transfer medium in th is pipeline is liquid ammonia (process air , soft water, alkali liquor, acidic gas ).

这条管线的输送介质为液氨（工艺空气、软水、碱液、酸性气体）。

417The transfer medium in this pipeline is liquid ammonia (process air , soft water, alkali liquor, acidic gas).

这条管线的输送介质为液氨（工艺空气、软水、碱液、酸*气体）。

The optimum conditions were as follows: 1 Fe3+/Fe2+ was 1.70-1.75;2 the precipitant,25% ammonia water was used 20%-30%,under 35℃,pH10-11 and with a stirrer speed of 3000 r/min for 1 h;3 in the first package process with gelatin and agar,the optimum amounts was 0.050-0.060g/150mL at the temperature of 55-60℃ and pH of 9-11;In the f...

最佳工艺条件为：(1)Fe3+/Fe2+之比在1.70~1.75；(2)沉淀剂25%NH3.H2O过量20%~30%，温度35℃，pH值11，反应时间为1h；(3)琼脂的最佳用量为0.050~0.060g/150mL；包覆的最佳温度为50~60℃，pH值为9~11；聚乙二醇作为第二次包裹剂时，最佳温度为55℃，反应时间是1h，pH值为4~5；并用透射电镜、分光光度计、古埃磁天平等进行了初步表征。

Among them, the glue solvent addition-nitric acid had a greater impact, and its amount was controled at 8%~10% for the best; 2though the result of the ball catalyst prepared by oil ammonia column was better, the process was more complex; 3performance of the catalyst prepared by impregnation ball support was poor.

其中，胶溶剂硝酸的加入量有较大影响，其用量控制在8%～10%为最佳；2油氨柱滴球成型法制得的球形催化剂虽然齐聚反应效果较好，但工序较复杂；3浸渍球形载(来源：A61BcacaC论文网www.abclunwen.com)体法制得的催化剂催化性能较差。

Experience of process plants could include gas processing, ammonia, methanol, hydrogen, olefines sulphur, polyethylene, and polypropylene.

具备工艺装置经验包括天然气工艺、氨、甲醇、氢、烯烃、硫、聚乙烯、聚丙烯等。

Diglycolic simple methyl ether is made up of dig lycolic and sulfate dimethyle, with ammonia water as catalyst. The stock can be found easily and the process is easy too. According to the temperature du ring the reaction, the formula of the stock, the time of the reaction etc, discussion was made in more detail.

以二甘醇、硫酸二甲酯为原料，以氨水为催化剂，合成二甘醇单甲醚，原料易得，工艺简单，针对反应过程中反应温度、原料配比、反应时间等影响因素，进行了较为详细的讨论。

A cleaner process of rice straw and wheat straw pulping by using aqueous ammonia mixed with small amount of caustic potash was studied.

中文题名稻、麦草NH4OH-KOH法制浆清洁工艺副题名外文题名 Cleaner process of NH4OH-KOH pulping of rice straw and wheat straw 论文作者黄国林导师张成芳学科专业化学工艺研究领域\研究方向绿色化学工艺学位级别博士学位授予单位华东理工大学学位授予日期2003 论文页码总数112页关键词造纸纸浆清洁工艺碱性絮凝处理制浆稻麦草馆藏号BSLW /2003 /TS74 /2 本文研究了以氨水添加少量苛性钾碱对禾草原料制浆的清洁工艺。

Its preparing process includes dissolving the salts containing metal in group VIB or VII or their mixture in ammonia water until full dissolving, and adding citric acid to stabilize the solution.

其制备方法为：先用氨水溶解含ⅥB族金属或Ⅷ族金属的盐，或二者混合物，使之完全溶解后，加入柠檬酸以使溶液稳定。该溶液稳定性好，制备过程快速、简便、节能。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。