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Aqueous ammonia must be hydrolyzed in order to be used, but it is substantially safer to store and transport than anhydrous ammonia.

氨水必须水解才能使用,但它实质上安全储存和运输比无水氨。

The results showed that ZSM-5 zeolite sieve could be synthesized using aqueous ammonia and EDA as template agent.

以离子交换的方式制备了Ni-ZSM-5和Pb-ZSM-5等催化剂,同时以XRD和IR为手段,对分别以氨水和乙二胺为模板剂合成的ZSM-5沸石分子筛的结构进行了比较。

In here, aqueous ammonia not only acts as an absorbent but also acts as a pH adjusting agent.

当溶液吸收二氧化碳后pH值会下降,利用pH自动控制系统将氨水输入槽内以保持恒定pH值,使物系建立自我调节的效果。

The ammonia gas was provided into the aqueous ammonia through a single orifice.

使用高速摄像装置对氨水的鼓泡吸收特性进行了可视化试验研究。

The preparation of ethanolamine is mainly composed of aqueous ammonia and liquid ammonia methods, which belong to typical homogeneous catalysis and heterogeneous catalysis respectively.

乙醇胺主要由氨水法与液氨法两种制备方法合成,它们分属于典型的均相催化与多相催化。

It was found that with the Ni-Zr-Ce/Al2O3 catalyst prepared in present work the production of aniline from benzene, hydrogen peroxide and aqueous ammonia could be realized under mild conditions, that is, at about 50 °C and under atmospheric pressure, and the selectivity of aniline is much higher than that of phenol.

发现在常压、50 ℃的温和条件下,该催化剂对苯、氨水与 H_2O_2直接氧化胺化生成苯胺有较好活性,并且其对苯胺的选择性远远大于对苯酚的选择性。

The ZSM-5 zeolite sieve was synthesized using aqueous ammonia and EDA as template agent.

利用氨水和乙二胺等为模板剂合成了ZSM-5沸石分子筛,研究了合成温度和时间对分子筛合成的影响。

16Nm Mn-Zn ferrite nanoparticles were synthesized by a hydrothermal precipitation approach using metal sulfate solution and aqueous ammonia.

以金属离子的硫酸盐溶液和氨水溶液为原料,采用水热法制备了粒径为6~16nm的锰锌铁氧体纳米粒子。

The effects of solvent type,concentration of the aqueous ammonia on the yields of target compounds were studied. The different results between 2,6-diamino-3,5-dinitropyridine (and 2,6-diamino-3,5-dinitropyridine-1-oxide) and 3-nitropyridien were analyzed.

探讨了溶剂类型、氨水浓度等反应条件对目标化合物产率影响,并讨论了2,6-二氨基-3,5-二硝基吡啶(2,6-二氨基-3,5-二硝基吡啶-1-氧化物)氧化胺化反应结果与3-硝基吡啶不同的原因。

The present thesis deals with the study of the direct oxy-amination of benzene to aniline with aqueous ammonia using hydrogen peroxide as the oxidant under mild reaction conditions (low temperature and atmospheric pressure).

本文采用苯为起始原料,以氨水为氨基源,过氧化氢为氧化剂,在温和条件下研究了由苯直接氧化氨基化合成苯胺的反应。

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