查询词典 ammonia

Among the influencing factors, thermodynamic property, temperature and velocity of the feed can affect mass transfer coefficient significantly, pH of the wastewater is a significant influencing factor for the treatment of high strength ammonia wastewater.

膜吸收法的影响因素众多，其中料液的热力学性能、温度和流速对传质系数的影响较大；在高氨氮废水的处理中，料液的pH是显著性影响因素。

The research is enclosed the reaction between ammonia and carbon disulfide in the synthesis of ammonium thiocyanate.

论文研究是围绕以二硫化碳和氨为原料合成硫氰酸铵的反应过程进行的。

This paper discusses the performance of a periodic ammonia——sodium thiocyanate solar energy absorption refrigeration cycle.

本文探讨了硫氰酸钠——氨太阳能间歇吸收制冷循环的性能。

A new method of removing thiol from RFCC naphtha by liquid-liquid extraction using aqua ammonia was introduced.

提出了一种重油催化裂化汽油氨水液-液脱臭新方法。

Extensive experimentation revealed several issues, along with several corresponding solutions:(1) given that lithium metal dissolves slowly in liquid ammonia, considerable time was required to generate the dissolved metal solution (ca. 1 h);(2) the t -BuOH must be freshly distilled prior to use 21 to diminish the formation of ketone 19 (Figure 2);(3) efficient capture of the lithium enolate ( 11 ) required the use of freshly distilled TMSCl and Et 3 N; and (4) the presence of residual thiophenol upon workup was found to inhibit the subsequent Sc 3 -promoted hydroxymethylation.

大量实验揭示若干问题，随着几个对策 1鉴于锂金属溶化慢慢液氨、需要相当多的时间创造了金属溶液溶解(约占1小时)；(2) T恤使操作必须事先用新鲜蒸馏水形成酮减少2119(图2)；有效捕获的锂烯醇(11)使用新鲜蒸馏水需氯和ET三氮；含有残余硫workup经发现抑制随后推选3-羟甲晋升。

And it was used in the synthesis of long-chain dicarboxylic acid dinitril e with ammonia and tridecane dicarboxylic acid as reactants.

用TLC、IR、GC-MS检测产物的纯度和结构，并合成了一系列长链二元腈。

It was selected the major components of the odor from aquatic feed factory,and hydrogen sulfide,ammonia and trimethylamine were taken as the target pollutants.

以水产饲料恶臭废气中的主要组分H2S、NH3和三甲胺为研究对象，采用生物填料塔进行脱臭的试验研究，考察运行生物填料塔的主要影响因素及污染物净化处理效果。

By selecting major components of odors(hydrogen sulfide,ammonia and trimethylamine) from feeding factories as targets,the purification characteristics of using biological packed column s were studied.

以水产饲料企业生产废气中的H2S、NH3和三甲胺为处理对象，研究了生物填料塔净化恶臭废气的性能，考察了进气浓度、流量、循环液喷淋密度对恶臭净化率的影响。

By selecting major components of odor s(hydrogen sulfide,ammonia and trimethylamine) from feeding factories as targets,the purification characteristics of using biological packed columns were studied.

以水产饲料企业生产废气中的H2S、NH3和三甲胺为处理对象，研究了生物填料塔净化恶臭废气的性能，考察了进气浓度、流量、循环液喷淋密度对恶臭净化率的影响。

Results: The critical oceupational risk factors existing in the workshops were sulfureted hydrogen, ammonia, formaldehyde, chlorine hydride, chlorine, trimethylamine, heat stress and noise.

结果：杭州市污水处理厂危害严重的职业病危害因素是硫化氢、氨、甲醛、氯化氢、氯、三甲胺、高温和噪声。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。