查询词典 tri-ester

The mechanism of the electrode reaction was studied and the polarographic wave was proved to be an adsorption-catalytic wave given by the tri-componental complex as mentioned above.

研究了电极反应的机理并证明该极谱波为由上文提到的三元混配络合物所给出的吸附催化波。

Through replacing copper Tri-fluoroacetate by copper α-methacrylic in Metal Organic Deposition process, the total amount of fluorine in YBCO precursor solution was reduced by about 50%. As a result, the calcination period for YBCO precurse film was dramatically reduced.

在金属有机盐沉积法制备YBCO薄膜的工艺中，采用无F的α甲基丙烯酸铜取代原来的三氟乙酸铜，可以降低前驱溶液中大约50%的氟含量。

A new unsymmetrical metal porphyrin- 5-{4-[3-(2-nitro-phenoxyl) propoxy]phenyl }-10, 15, 20-tri-(4-methoxy phenyl )porphyrin copper (compound Ⅱ)was synthesized,and its UV-Vis spectra were measured and compared with other three symmetrical metalporphyrins.

本文合成了一个新的非对称卟啉铜化合物，测量了其紫外－可见光谱，并将此光谱结果与其他三种对称金属卟啉的光谱进行了比较。

The protocerebrum was composed of lamina ganglionaris, lateral protocerebrum and medial protocerebrum at the egg-zoea stage Ⅱ, and olfactory lobe appeared and arranged beside the esophagus with deutocerebrum and tri...

光镜下大颚神经节可于第二期卵内无节幼体阶段观察到，2对小颚和2对颚足神经节则在第二期卵内状幼体阶段观察到；腹部神经链则在第三期卵内状幼体阶段观察到。

Two new binuclear complexes, [TpCu(μ-1, 1-N3)2CuTp](1) and [Tp(superscript *)Co2CoTp(superscript *)](2) Tp=tri (pyrazolyl borate and Tp(superscript *)=3,5-dimethyltri borate, have been synthesized and characterized by IR, UV-vis, ESR, and CV. The crystal structures of both complexes have been determined by X-ray single crystal diffraction.

合成了两个新型的含三吡唑硼配体的双核铜配合物[TpCu(μ-1， 1-N3)2CuTp](1)和双核钴配合物[TpCo2CoTp](2)，并通过IR，UV-vis，EPR，CV，X-射线单晶衍射等手段进行表征。

A series of α-(fluoro-substituted phenyl)pyridines have been synthesized by means of a palladium-catalyzed cross-coupling reaction between fluoro-substituted phenylboronic acid and 2-bromopyridine or its derivatives. The reactivities of the phenylboronic acids containing di- and tri-fluoro substituents with α-pyridyl bromide were investigated in different catalyst systems.

利用钯催化的SUZUKI偶联反应，以氟取代的苯硼酸与2-溴吡啶为原料合成了系列新的邻吡啶芳香化合物，研究了二及三氟取代的苯硼酸与溴代吡啶在不同催化体系中的反应性质。

Liu JunHua;Huang ShuGong;Liu JiDongA tri-dimensional model for a jeffcot rotor was reported. A new motion equation of the torsional vibration with natural retation and the conception frequency was presented. The natural frequencies of disk rotors with different geometrical structures and were computed based on the finite-element method, and the factors affecting the coefficient of the natural frequency with rotation were analyzed.

在转轴以一定速度旋转的条件下，推导了考虑转动频率情况下的单质量盘转子扭振运动方程，通过有限元方法对不同几何结构的单质量盘转子在不同转动频率下的扭振固有频率进行了计算，对影响单质量盘转子扭振动频的动频系数进行了分析。

For rectangular concrete UASB reactor, the standard and seriate designs were pursued with a special tri phase separator.

结合工程应用的分析表明，用新型材料制成的UASB反应器在技术和经济上具有一定的优越性。

During Nine Five-Year Program periods, the key project for promotion of UASB reactor was conducted. For rectangular concrete UASB reactor, the standard and seriate designs were pursued with a special tri-phase separator.

在&九五&期间对UASB反应器进行了设备化研究工作，其中对混凝土结构的矩形UASB反应器，结合三相分离器进行了反应器标准化和系列化的设计工作。

A series of terpenoids, including sesqui-, di- and tri terpernoids were also observed, which was accounted for D-limonene had influence on the metabolites of marine bacteria.

从南海大亚湾的海洋微生物中筛选出3株对单萜压D-柠檬烯有显著生物催化转化作用的海洋细菌（Vibrio cholerae、Listonella damsela和Vibrio alginolyticus）。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。