查询词典 aldehyde ammonia

In this work,activated carbon fiberswere respectively modified using different concentration ammonia aqueous solution,and the textural pvoperties and the surface oxygen content as well as the surface acidities of the modified ACFs studied were determined by nitrogen adsorption,elemental analysis and Boehm titration methods.

主要研究采用氨水对活性炭纤维ACF表面进行改性，制备了3种不同的改性ACF，测定ACF孔结构和表面酸碱基团，并测定了苯乙烯在改性ACF床层的吸附透过曲线，讨论了改性ACF的孔结构和表面酸碱基团对其吸附性能的影响。

GGG polycrystalline material was prepared by co-precipitation method with the metal Ga and Gd2O3 as the starting materials and aqueous ammonia as the preprecipitator.

采用共沉淀方法，以金属Ga和Gd2O3为起始原料，以氨水为沉淀剂，制备了GGG多晶。

Ammonium carbamate was found to be the best ammonia donor for the reaction and its favorable concentration is 120~160 mmolL^(-1). The optimal water activity, reaction temperature, pH value and concentration of D, L-HPGME are 0.55~0.75, 35~40℃, 7.5~8.0 and 40 mmolL^(-1), respectively.

该反应的最适氨源为氨基甲酸铵，其较佳浓度为120~160mmolL^(-1)；最适水活度、反应温度、pH值、对羟基苯甘氨酸甲酯浓度分别为0.55~0.75、35~40℃、7.5~8.0和40mmlL^(-1)。

The NH〓/CO〓=2in accordance with the constitutes of ammonium carbamate can not be separated by ordinary methods, The separation way which used the different absorption rates of high gas velocity between ammonia and carbon dioxide in aqueous solution has been made up in this study.

在实验室高速喷射鼓泡反应器的条件下，研究了M〓/M〓=2的混合气体在水溶液中的选择性吸收过程，获得了良好的选择性效果：连续吸收的选择性因子S〓在2.06～8.23之间，S〓在2.86～10.83之间。

The advantage of this method is that high concentration ammonia solution can be recovered and the ...

此方法的特点是MHP吸附氨氮生成的磷酸铵镁经热分解后，可同时回收高浓度氨水及再生MHP，实现氨氮的回收和MHP的循环使用。

Ammonia Solution, relative density less than 0.880 at 15℃ in water

氨溶液，15℃时在水的相对密度低於0.880，含氨量超过50% 3318

The ion exchange is the major pattern for the adsorption of zeolite to ammonia nitrogen in solution .

XRD分析表明，与天然沸石相比，改性后的沸石中硅铝比减小，沸石的结构也发生变化，其比表面积是天然沸石的1／2～1／3。

While there is no ammonia in the solution, the reaction of zinc ion complex with hydroxyls can be neglected.

溶液中无氨存在时，Zn2 +与OH-的配合反应可以忽略。

Ammonia Solution, relative density less than 0.880 at 15℃ in

ammonia 氨溶液，15℃时在水的相对密度低於0.880，含氨量超过

The CO2 removal efficiency will improve with decreasing of the CO2 concentration and increasing of ammonia solution concentration.

增大稀氨水的浓度，减小进口气体CO2浓度也有利于提高脱除率。

You can buy sweetened beverages, if that suits you.

你若喜欢的话，可以买些含有糖精的混合饮料。

As many of you are probably aware, Nick and Vanessa were recently faced with an embarrasing sex scandal after naked pictures of the two getting jiggy with it in a hot tub surfaced the net.

正如很多你可能知道，尼克和 Vanessa 最近面临一个尴尬的绯闻事件后，赤裸裸的图片两个越来越jiggy与它在浴缸中的一个热点浮现净。