二乙胺

Methods Human peritoneal mesothelial cells were dissociated by a mixture of pancreatin and ethylene diamine tetraacetic acid with a magnetic puddler. Inverted phase contrast microscope was used to identify the mesothelial cells.

以胰酶和乙二胺四乙酸磁性搅拌分离人正常腹膜皮细胞，倒置相差显微镜观察细胞形态结构和大体生长过程，Calretinin免疫荧光染色鉴定间皮细胞，初步观察传代细胞的贴壁生长情况。

Synthesis of silver selenide quantum dots using room temperature conversion method has been investigated.

本文采用室温转化法、分别用乙二胺与氨水做模板合成硒化银量子点，对合成的硒化银样品进行了 X-射线衍射分析，并在透射电子显微镜下研究了模板对合成硒化银形态的影响

Zinc Selenide hexagonal flakes and hexagonal prism have been synthesized by solvothermal method using ethylenediamine as solvent.

以乙二胺-乙醇为溶剂采用溶剂热法成功合成了具有六方结构的六边形硒化锌薄片和六边形棱柱。

The mechanisms of ethylenediamine and 8-hydroxyquinoline activating smithsonite are researched by measuring adsorption amount ,concentration of Zn2+ ion and infrared spectrum.

通过吸附量的测定、Zn2+离子浓度测定和红外光谱测定分别对乙二胺和8-羟基喹啉活化菱锌矿的机理进行了研究。

Results show that, by using thionyl chloride and N,N-dimethyl formamide as chlorinating reagent and dichloromethane as solvent and taking -15℃ as reaction temperature, Z-iomer crystals with pale white color and stable to temperature can be obtained with an overall yield of 70%.

以2-（2-氨基噻唑－4-基）－2-甲氧亚氨基乙酸为原料，经盐酸化、氯代等反应合成了Z-2-（2-氨基噻唑－4-基）－2-甲氧亚氨基乙酰氯盐酸盐；氯代时以用亚硫酰氯和N，N-二甲基甲酰胺的混合物代替五氯化磷作氯化剂，并考察了温度和溶剂对氯代产物中Z-异构体和E-异构体收率的影响。

The waves are very useful for the determination Of these compounds, for homocystine, 6-mercaptopurine and thiouracil, the detection limits are 2×10-8, 8×10-8 and 5×10-8 mol/L,respecrespectively.

处产生的阳极化波较为灵敏，其检测限为2×10－8mol／L高胱氨酸，线性范围为8×10－8～1×10－5mol／L.6－巯基嘌呤和硫尿嘧啶在乙二胺介质中与铜产生的络合物波较好，前者在－0.83V处和后者在－0.44V处的阴极波较适合于分析。它们的检测限分别为8×10－8mol／L和5×10－8mol／L，线性范围为1×10－7～1×10－5和1×10－7～2×10－5mol／L。

Seven compounds have been isolated from hard coral Acropora pulchra. These compounds are:pentadecoic acid, heptadecyl ester;(2)n-cetanol;(3)batyl alcohol;(4) N- [ 1 --2-hydroxyl--3,7-heptad-ecadienal] -hexadecanamide;(5)1 -0-hexanoyl-glycerol ester;(6)thymine;(7)uracil. Their structures were determined by IR, MS, HNMR, 13CNMR analysis.

从北海佳丽鹿角珊瑚Acropora pulchra乙醇提取液的乙酸乙酯部分分离出七个化合物，经IR、MS、~1HNMR、~(13)CNMR等波谱方法鉴定，其结构分别为：(1)十五酸十七酯，(2)正十六碳醇，(3)鲨肝醇，(4)N-1-羟基甲基-2-羟基—-3，7-十七碳二烯基十六酸酰胺，(5)1-正十六酸甘油酯，(6)胸腺嘧啶，(7)尿嘧啶。

The compatibility of imidazoline sulfuric ester and antiscale HEDP was studied.

以油酸、羟乙基乙二胺和氨基磺酸为原料合成了咪唑啉硫酸酯盐两性表面活性剂，并通过红外光谱进行表征。

The method is based on a diazotion-coupling reaction between benzidine and hydrochloric acid naphthyl ethylenediamine in a hydrochloric acid medium.

在酸性条件下，亚硝酸盐与联苯胺重氮化，再与盐酸萘乙二胺偶联生成蓝色产物，该产物在578 nm处有最大吸收值，并由此建立了一种简单、快速、灵敏的亚硝酸盐测定方法。

Thermodynamic properties of PSf - DMAc - alcohols ternary systems are studied, the binodal is calculated. Cloud point curves from light scattering experiment verify the calculation results; The agreement between the cloud point curves and the binodal is quite well.

文章摘要：对聚砜-二甲基乙酰胺-醇类非溶剂构成的制膜体系的热力学特性进行了研究，计算出这些体系的双结点线，并用这些醇类非溶剂通过光散射法进行浊点滴定实验，浊点曲线与双结点线基本重合，验证了双结点线的计算结果。

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。