查询词典 ammonia process

Development of ammonia as a fuel must include ways to improve its combustibility.

开发氨气作为燃料必须要通过方法，提高氨气的可燃性。

A scheme for compactification of ammonia water absorption refrigerators, especially for the reduction of the height of the generating rectification column is proposed, which includes using spiral sheet heat exchangers as the generator and the partial condenser of the refrigerator instead of the tube shell ones.

提出了一种氨水吸收式制冷机紧凑化的方案，特别是采用螺旋板式换热器作为发生器和分凝器以降低发生精馏器高度的新设计，给出了采用上述改进方案所研制的乙醇蒸馏装置的实验结果。

500M3 gas sphere varities of products: kinds of compressed air tank,liquefied petroleum gas tank,liquefied ammonia tank,liquefied chlorine tank,CO2 tank,nitrogen tank,and storage tanks and metering tanks for varities of industrial chemicals and chemical product.

500M3的煤气球罐。产品种类：各种压缩空气储缸，液化石油气储缸，液氨储缸，液氯储缸，CO2气体储缸，氮气储罐及各类化工原料，产品储缸，计量罐等等。

Ammonia gas released by fertilized cropland is a cause of air pollution , the .

施肥后的农田释放的氨气是空气污染的一个因素。

Ammonia gas released by fertilized cropland is a cause of air pollution.

农田中所排放的氨气是导致空气污染的一个原因。

If water, glycol, brine, hot oil or ammonia water are used in system of central air conditioning or air channel system,do carry cryogen.

如中央空调体系或者风道体系中使用水、乙二醇、盐水、热油或者氨水作载冷剂。

The paper mainly studies the new preparation technologies of cyanamide. The paper reviews the preparation technologies of cyanamide in domestic and overseas. We analyze the advantage and disadvantage of all the technologies, and we design two new technologies: urea- cyanamide method and ammonia, carbon dioxide- cyanamide method.

本文主要研究了制备氰胺的新工艺，综述了国内外氰胺工业生产的几种主要工艺，分析了各工艺的利弊，设计了两条新的工艺路线，即尿素-氰胺法和氨气、二氧化碳-氰胺法。

Urea-cyanamide method: With different catalyst, under the condition of some temperature and time, urea and ammonia manufacture cyanamide under normal pressure.

尿素-氰胺法：使用改性分子筛做催化剂，在一定温度和停留时间等反应条件下，在氨气气氛中，使尿素在常压下脱水一步制备氰胺。

Shenzhen city dragon vacates Wu Xianfeng of president of asset management company to think, we once had tried to have the long-term investment of type of Ba Fei spy in field of A stock market, but practical effect is not ideal; And Meng Niu invests in Hong Kong market, also as a result of 3 get together the concussion blow of cyanogen ammonia incident is very big.

深圳市龙腾资产管理公司董事长吴险峰认为，我们曾经尝试过在A股市场进行巴菲特式的长期投资，但实际的效果并不理想；而在香港市场投资蒙牛，也由于三聚氰氨事件的冲击打击很大。

In order to explore the mechanism of the resistance to cucumber damping-off induced by plant growth-promoting rhizobacteria CH1, the physiological and biochemical method was employed to study the changes in activities of Phenylalanine ammonia-lyase, Polyphenol oxidase and contents of ferulic acid, chlorogenic acid, lignin, phenolic compound and flavonoid of phenolic metabolism in cucumber roots pretreated with plant growth-promoting rhizobacteria CH1 and infected by Pythium aphanidermatum.

为研究植物生长促生细菌CH1诱导黄瓜对猝倒病的抗性的作用机制，采用生理生化的方法，测定了黄瓜根部酚类物质代谢中苯丙氨酸解氨酶、多酚氧化酶活性动态及阿魏酸、绿原酸、木质素、总酚、类黄酮含量变化。

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。