查询词典 ammonia

The use of brass tubes for the air-cooled zone of a power plant steam condenser can lead to serious corrosion by ammonia,while the application of copper-nickel alloy tubes or titanium ones is associated with expensive costs.

电站凝汽器空冷区采用黄铜管会产生严重氨腐蚀，采用铜镍合金管或钛管则价格昂贵。

Shop staff on a regular and irregular organizations DZL10-1.25-A2 Steam Boiler (including water heater system and wastewater treatment systems), ammonia refrigeration unit system, air compressor system equipment Dynamic energy equipment for power distribution protection equipment maintenance, safety equipment and highly efficient, economical, reliable operation. provided the impetus and qualified for the production of clean energy.

防微杜渐，重视巡检&，组织车间员工定期和不定期地对DZL10-1.25-A2蒸汽锅炉（包括炉水处理系统和废水处理系统）、氨制冷机组系统、空气压缩机组系统设备、电力配电设备等动力能源设备进行保全保养，保障设备高效、经济、可靠运行，为生产提供了合格的动力和清洁能源。&

It is less well known that fully 80 percent of the world's fertilizer requirements are met by synthesizing ammonia from natural gas and steam.

人们还不太知道，世界上所需要的化肥中足足有百分之八十是靠天然气和水蒸汽合成的氨来满足的。

The influences of temperature, pressure, space velocity and ratio of hydrogen to nitrogen on the activity of ruthenium based ammonia synthesis catalyst were investigated.

用氨合成催化剂性能评价装置，研究了反应温度，压力，空速和氢氮比对以活性炭为载体的钌基氨合成催化剂活性的影响。

The pure and WO3-doped TiO2 nanoparticles photocatalyst was prepared by chemical precipitation, in which titanium tetrachloride was used as Ti-precursor, ammonia as precipitant and sodium tungstate as doping donor.

以TiCl4为钛前驱体，氨水为沉淀剂，钨酸钠为掺杂体给体，采用化学沉淀法，制备了纯的与WO3掺杂的TiO2纳米光催化剂。

The company was established in 2001, covers an area of 16,000 square meters, are set production, sale and service of professional manufacturers, professional production·, chemical pure, pure electronics, industrial pure content specifications such as sulfuric acid, nitric acid, hydrochloric acid, sodium hydroxide, hydrogen peroxide, ammonia and other chemical raw materials and chemical reagents, as well as multi-layer circuit boards, flexible circuits board, semiconductor, electronic plating, chemical plating, wastewater treatment and a variety of electronic device manufacturers to provide supporting services.

公司成立于2001年，占地面积16000平方米，是集生产、销售、服务于一体的专业型厂商，专业生产分析纯、化学纯、电子纯、工业纯等各种规格含量的硫酸、硝酸、盐酸、氢氧化钠、双氧水、氨水等各种化工原料及化学试剂，并为多层电路板、软性电路板、半导体、电子电镀、化学电镀、废水处理及各种电子器件生产厂商提供配套服务。

Its application is divided into the following areas:(1) electrolytic industries, including chlor-alkali industry is second only to ammonia and sulfuric acid inorganic basic industries; nylon 6 intermediate adiponitrile synthesized by electrolysis; aluminum, sodium and other light metal smelting, copper, zinc refining also used the electrolysis method.

它的应用分为以下几个方面：（1）电解工业，其中氯碱工业是仅次于合成氨和硫酸的无机物基础工业；耐纶6的中间体己二腈是通过电解合成的；铝、钠等轻金属的冶炼，铜、锌等的精炼也用的是电解法。

In this dissertation, based on glass microspheres and submicron silicon dioxide, the silver-coated core-shell shielding particles were prepared by liquid phase chemical deposition and layer by layer packing technology. The influences of the preparation conditions on the structure of the synthesized core-shell particles were also systemically studied. The conclusions are enumerated as follow:(1) Monodispersed submicron silicon dioxide spheres in the size range of 250～550 nm are synthesized by Sol-Gel method using ammonia as catalyst.

本文在前人研究的基础上设计出以微米级玻璃微珠为基核，采用液相化学沉积法和层层包裹法制备表面包银的核壳粒子电磁屏蔽剂，并对液相化学沉积法和层层包裹法的制备工艺进行了系统研究，取得了以下主要结论：(1)以氨水作催化剂，采用溶胶－凝胶法制备了粒径分布在250～550 nm之间的二氧化硅微球。

Comprehensive recovery of gold ; silver ; copper and lead ; oxidation leaching copper in ammonia solution ; leaching lead with nitric acid ; leaching gold and silver with cyanide

中国科学院化工冶金研究所；黄金， GOLD ，编辑部邮箱 1997年 05期综合回收金、银、铜、铅；氧化氨浸脱铜；硝酸脱铅；氰化提取金银

Scattered into ethanol, ethyl silicon is medium tetraethyl ortho-silicate in ammonia catalytic hydrolysis, formed under the condition of the negatively charged with PS silica microspheres due to charge effect between by adsorption to PS microspheres surface, core-shell structure.

将其分散到乙醇/水介质中，正硅乙酸乙酯在氨水催化条件下水解，形成带负电性的二氧化硅与PS微球之间由于电荷作用而被吸附到PS微球表面，形成核-壳结构。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。