查询词典 tri-ester

In this dissertation, two series of rare earth initiators: rare earth tri (2, 6-di-tert-butyl4-methylphenolate) and rare earth calixarene complex have been developed to ring-opening polymerize 2, 2-dimethyltrimethylene carbonate, trimethylene carbonate and ε-caprolactone at mild conditions. Both the polymerization features and mechanisms are discussed in details.

本论文为环碳酸酯、内酯的开环聚合开发了两类新型低毒性稀土催化剂：三(2，6-二叔丁基-4-甲基苯氧基)稀土配合物和对叔丁基杯芳烃稀土配合物，都可以在温和的反应条件下单组分引发2，2-二甲基三亚甲基环碳酸酯、三亚甲基环碳酸酯和ε-己内酯聚合，合成各种分子量的均聚和共聚材料，考察了催化剂结构、聚合条件等对聚合的影响，深入研究了聚合机理。

The reaction of isomerized butadieneiron complex (I; R = Ph, p-tolyl) with triphenylphosphine and tri-Ph phosphite gave products II (same R; R1 = Ph, OPh), at -60 to -30? When I was reacted with triphenylphosphine in hexane at 60 to 70?

丁二烯二羰基铁配合物的异构化产物，C4H62FeC(OC2H5)Ar(1，Ar=苯基， 2， Ar=对甲苯基)，在己烷溶液中于-60到-40℃与三苯膦或亚磷酸三苯酯反应生产产物3-6。

In this study, the critical point data of ternary systems which is composed of supercritical carbon dioxide, trisodium salt of tri-(m-sulfonphenyl)phosphine and cosolvent were measured the first time. With the increase of mol% of the cosolvent, critical temperature of ternary system increased, and the experimental data show a linear dependence of critical temperature with mol% of the ternary system over the concentration ranges studied too.

北京化工大学硕士研究生论文本文还首次测试了在超临界CO：中加入三磺化三苯基麟以及共溶剂组成的三元体系的临界点数据，发现三元体系中临界温度也随共溶剂的浓度增加逐渐增加，呈一种线性关系。

A series of tri-radicals with heterospin center of 1,3,5- trisubstituted benzee as feeomagnetic coupling unit has been studied by using quantum chemical DFT UB3LYP method.

采用量子化学DFT UB3LYP方法，在6-31G基组水平上讨论了以1，3，5-苯为铁磁耦合单元的异自旋中心三自由基体系。

In this dissertation, several novel halogen-free fire-retardant epoxy-based copper clad laminates were developed. Two kinds of phosphrous-containing epoxy resins were synthesized by different method. A novel nitrogen-containing curing agent 2,4, 6-tri (phenol-methylene -amide)-trizone was synthesized for preparing high-performance epoxy polymers, and the synthesis kinetics, cure kinetics and mechanism of MFP cured with DGEBA have been investigated by Differential Scanning Calorimeter and in situ Infrared.

本论文以开发新型无卤阻燃环氧树脂基覆铜板为目标，合成了两类结构不同的含磷环氧树脂以及一种新型的含氮固化剂2，4，6-三-均三嗪，考察了它们合成过程中的影响因素，用DSC和原位红外光谱法探讨了MFP固化环氧树脂的固化反应机理。

Results MRS medium was more suitable for producing bacteriocin than other media. The maximum plantaricin production was obtained in modified MRS medium containing 10 g/L maltose and 10 g/L glucose, 10 g/L yeast extract, 10 g/L tryptone and 2g/L tri-ammonium citrate, 1 mL/L Tween80, 6 g/L K2HPO4 ?

最佳培养基为MRS培养基；优化后的培养基配方为葡萄糖10 g/L，麦芽糖10 g/L，酵母提取物10 g/L，蛋白胨10 g/L，柠檬酸三铵2 g/L，吐温80为1 mL/L，K2HPO4·3H2O 6 g/L，乙酸钠5 g/L，硫酸镁0.2 g/L，硫酸锰

The result indicates that the pulp of the tri ploid of Populus tomen tosa is higher in yield and lower in Kapper's value than that of general Pop ulus tomentosa and its physical properties of unbreached pulp are better too.

研究表明：在相同蒸煮条件下，三倍体毛白杨较普通毛白杨细浆得率高，卡伯值低；浆张强度较普通毛白杨好。三倍体毛白杨的碱性亚纳蒽醌法浆，卡伯值在 18左右时，细浆得率达到 53 %以上，而且浆张强度较好。

Magnetic water was used to cultivate single protein, and then its HNMR was measured along with that of unmagnetized tri-distilled.

在长期静止的情况下，可形成多达几十个水分子的团簇。须指出，这些大分子团是随机的、无定形的链状线团。

In the end, magnetic water was used to cultivate Escherichia-coli, the different effect on Escherichia-coli of magnetic wate and unmagnetized tri-distilled was compared by electrophoretic analysis.

这些无定形结构的分子簇可以经一定的物理、化学处理，使其转化为较小的分子簇。磁化，作为简单而用实际的方法，被大多数实验室采用，用以进行对&水簇&的研究。

Due to the fact that water molecule acquired energy from magnetic field and the molecule rotated faster after magnetization process, the growth speed of Escherichia-coli cultivated with magnetized water is faster than that cultivated by unmagnetized tri-distilled, which proved that magnetized water possesses stronger penetrability and solvency.

蛋白质水接触的几率也随之增加，所以磁化水对于蛋白质的结构将有一定的影响。由于磁化过的水水分子活动加快，并获得了高能量，使磁化水培养的大肠肝菌生长速率比普通三蒸水培养的大肠肝菌生长速率快，这就进一步证明了磁化水具有较强的渗透性和对可溶性物质的溶解能力。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。