查询词典 triethylenetetramine

The influences of the amount of triethylenetetramine, temperature, molar ratio of epichlorohydrin and dimethylamine, and reaction time on the viscosity and cationic degree of the polyamine flocculants were investigated. Then the influence of pH value, flo-cculant dosage and temperature on flocculation effect were studied.

研究了三乙烯四胺添加量、反应温度、n∶n、聚合时间等因素对聚合物黏度和阳离子度的影响，并考察了该聚合物用于造纸废水处理时，体系pH值、絮凝剂用量对絮凝效果的影响。

According to the compared analysis of prevention sulfur deposition during the production of high sour gas well, the key of prevent sulfur deposition and to control sulfur blocking is choose right element sulfur, carry out some research on the selection of sulfur solution, remix the triethylenetetramine, diethylenetriamine and monoethanolamine in different ratios, finally formed LJ-1 compounding which is best fit the production of north Sichuan province.

对比分析了多种硫沉积防治方法，防治的关键在于溶硫剂的合理选择，通过溶硫剂优选室内评价实验研究筛选出三乙烯四胺、二乙烯三胺和乙醇胺等三种单剂，按照不同的比例与现场使用的防冻剂乙二醇进行复配，最终形成了适合川东地区高含硫气井的溶硫剂LJ-1合理配方，性能评价实验表明溶硫剂LJ-1溶硫速率快、溶解度高、腐蚀小。

The detectable group, biotin-ε-aminocaproic acid N-hydroxysuccinimide ester, is attached to the remaining amino group. A series of multiamine compouds, i. e. ethylendiamine, 1, 6-hexandediamine, triethylenetetramine, tetraethylenepentamine, and synthetic polyarylamide are used inlabelling, it is found that linker arms and steric hindrance effect the detection sensitivity. The probes labeled by 1, 6-hexandediamine and triethylenetetramine can detect 0.1-0.5pg target DNA in dot blot hybridization, and their sensitivities are better than the others.

本文详细考察了乙二胺、己二胺、二乙烯三胺、三乙烯四胺、四乙烯五胺及合成的聚乙烯胺化合物对λDNA探针的标记和检测的影响，发现胺化物链长和空间位阻影响探针的杂交和检测，用己二胺和三乙烯四胺标记的生物素探针在杂交24小时、显色8小时后检测灵敏度达0.1-0.5pg，超过其它胺化物标记的探针。

With two tripodal ligands, dtma and tmpa, dtma=diethylenetriamine-N'-acetate and tmpa=tris(2-pyridyl-methylamine and a polyamine ligand, trien (=triethylenetetramine), serving as terminal ligands, we synthesized 19 species of new imidazolate -bridged Cu-Zn, Zn-Zn and Cu-Cu, and other relating compounds, in which 〓 and 〓 complexes are model compounds of Cu, Zn-SOD.

用不等臂三脚架dtma(diethylenetriamine-N'-acetate)、直链trien和等臂三脚架tmpatris(2-pyridyl-methyl-amine为配体，合成了一系列咪唑桥联Cu-Zn、Zn-Zn和Cu-Cu等有关19个新化合物，其中两个异双核〓Cu〓和〓〓配合物为Cu，Zn-SOD活性中心的模型化合物。2。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。