查询词典 ethylenediamine

Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine as raw materials has been studied.

研究了以乙二胺和硬脂酰氯为原料制备乙撑双硬脂酰胺的反应，讨论了原料配比、反应时间、反应温度的影响。

The process of copper electroplating with ethylenediamine was studied.

对乙二胺镀铜工艺进行了研究，讨论了Cu~(2+)浓度、pH值、温度、电流密度等因素对电镀铜效果的影响。

It was obtained with ethylenediamine and ethenesulfonic sodium as primary material through addition.

它是一种易降解的新型Gemini表面活性剂－N， N'-双癸酰基乙二胺二乙磺酸钠的中间体。

It is found that the reaction of cadmium nitrate and thiourea in ethylenediamine initially produce lamellar CdS.

硝酸镉和硫脲在乙二胺中反应最初生成薄片状的CdS。

The absorption capacity of the ethylenediamine solution for SO2 was 455 mg/L, much higher than that of the alcohol amine solution.

乙二胺溶液对SO2 的吸收容量为455 mg/L，远远高于醇胺类吸收液。

The role of the ethylene glycol and ethylenediamine in the growth and self-assembly of ZnO nanosheets into Microspheres and layered conglomerates was investigated, and possible mechanisms were also proposed.

研究了乙二醇和乙二胺在ZnO微球和层状集聚体形成过程中的作用并提出了可能的生长机理。

SEM, TEM and XRD results showed that the reaction conditions, such as ultrasonic treatment, pH value of solution and ethylenediamine played an important role on the formation of dumb-bell ZnO.

用扫描电镜、透射电镜和X射线粉末衍射分析了氧化锌的形貌和结构，用紫外-可见吸收光谱和荧光光谱测定其光学性质，并初步探讨了哑铃状氧化锌的形成机理。

By changing the temperature, the ethylenediamine concentration, pH value and SO2 inlet concentration, and the impacts on the SO2 removal efficiency were investigated.

通过改变吸收剂温度、乙二胺浓度、吸收剂pH和SO2进口浓度，探讨其对脱硫率的影响。

The reaction of benzoic acid and ethylenediamine was studied under different conditions.

在不同条件下考察了苯甲酸与乙二胺的反应，对反应产物、主要副产物及反应中间体进行了分离和鉴定，通过熔点测定、元素分析和红外光谱分析，确定了产物为2-苯基咪唑啉，主要副产物为二苯甲酰乙二胺，中间体之一为乙二胺与苯甲酸形成的双盐。

The role of the ethylene glycol and ethylenediamine in the growth and self-assembly of ZnO nanosheets into the micro-spheres and layered conglomerates was investigated, and possible mechanisms were also proposed.

研究了乙二醇和乙二胺在ZnO微球和层状集聚体形成过程中的作用并提出了可能的生长机理。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。