查询词典 cation-active

Some popular seawater phosphate δ^18 O analysis methods were reviewed. Then MAGIC-CePO4 coprecipitation-cation exchange resin separation method was choosed to preconcentrate, separate and purify the phosphate. Some basic experiment conditions were also discussed.

通过对国内外海水中磷酸盐氧同位素组成的测定方法进行查阅，选择改进后的MAGIC-CePO4沉淀－阳离子交换树脂法对海水中溶解态磷酸盐进行富集、分离与纯化，并对实验条件进行了探讨。

We generalized the above model of the point defect to Cd〓Zn〓Te, which was taken as ideal cation substituted pseudobinary alloy.

把二元化合物CdTe的点缺陷模型加以推广，建立了三元化合物Cd〓Zn〓Te的点缺陷模型。

For the above purposes, using a tailored cyanometalate precursor,(1) Tp=hydrotris (pyrazolyl borate; Bu〓N〓=tetrabutylammonium cation , two trinulear complexes,〓(2),〓(3; cyclam: 1, 4, 8, 11-tetraazacyclotetradecane), two one-dimensional polymers,〓(4; dien: diethylenetriamine),〓(5), and a cluster 〓(6) have been synthesized and characterized structurally and magnetically.

基于上述研究热点，我们以修饰的氰基金属化合物(1)为构筑基元（Tp：三吡唑基氢硼烷，Bu〓N〓：四丁基铵离子），合成了两个杂三核化合物，〓(2)，〓（3；cyclam：1，4，8，11-四氮环十四烷），两个一维聚合物，〓（4；dien：二乙烯三胺），〓(5)，和一个十四核簇合物〓(6)。

In this dissertation, a series of novel multi- ferrocenyl pyridinium salts, with pyridinium cation as electron acceptor and ferrocenyl as electron donor, were designed and synthesized for generating materials possessing interesting optical and electrochemical properties.

本论文的研究目的是设计、合成系列多二茂铁基取代吡啶盐新化合物，并初步探索其光电性能。

Leery believes that the same is the case with airlines. We are now in a recti cation period. As

时代。2008年以后我们面临衰退的阶段，但是我认为这是我们消费的时代，一个普通化的

In the second part, potential-modulated electroreflectance spectroscopy was employed to investigate the electrochemical behaviors of electroactive species on the electrode surface.Redox behaviors of heptylviologen was studied by using ER at a silver electrode. The reoxidation behavior of heptylviologen cation radical deposited film was investigated by dc, ac and ER voltammograms.

本文用ER研究了银电极上heptylviologen的氧还行为，用直流、交流和ER伏安法研究了heptylviologen 阳离子基沉积膜的重新氧化行为，并用ER光谱和ER伏安法研究了heptylviologen阳离子基在沉积膜中的存在方式。

All the key equipments of polyester,film and yarns are imported from the U.S.A.,Germany, Japan,France and Italy, and so on.It yields different standards of Semidull,Cation Dyed of DTY,POY and FDY 400 thousand tons(Melt direct spinning 300 thousand tons and chip spinning 100 thousand tons are included).

所有聚酯、拉膜、纺丝、加弹等关键设备均从美国，德国，日本，法国，意大利等地引进，年产各种规格的涤纶半消光，阳离子，DTY，POY，FDY40万吨（其中熔体直纺30万吨，切片纺10万吨），产品畅销国内外。

New reactions found in this program include: photoinduced regioselective free radical addition to aromatic imines;photoinduced Dielse-Alder reactions of aromatic imines for synthesis of tetrahydroquinoline derivatives;Photoinduced radical cation mediated selective ring opening reaction of epoxides;Formation of novel macrocyclic crown ethers by photoinduced reaction of diazonaphthaquinones;photoinduced selective desilylation of silyl ethers.

用这种方法成功的发现了下列在有机合成中有意义的新反应：(1)光诱导产生的自由基正离子诱导的自由基对芳香亚胺的区域选择性加成反应；(2)用光诱导的芳香亚胺的Diels-Alder反应合成四氢喹啉衍生物；(3)经光诱导产生的自由基正离子基诱导的环氧化物选择性开环反应；（4）重氮萘酮在环醚中经光诱导反应形成新奇的大环冠醚；（5）硅醚的光诱导选择性脱硅基反应。

In order to realize such target,a su stainable development system that i nclude systems in management,in law enforc ement,in science and technology edu cation as well as a system of concerte d action should be established to work in harmony.

文章提出，建立可持续发展的管理体系、法律体系、科技体系、教育体系、共同参与体系是实现代内平等与代际平等两大目标的保障。

Different cation asphalt emulsion was prepared taking cetyl trimethylammonium bromide,cetyl trimethylammonium chloride and stearyl trimethylammonium chloride as emulsifier.

以十六烷基三甲基溴化铵、十六烷基三甲基氯化铵及十八烷基三甲基氯化铵为乳化剂制备了不同的阳离子乳化沥青，按ASTMD244的方法获取乳化沥青蒸发残留物，测试乳化沥青蒸发残留物的针入度和其中3种乳化沥青蒸发残留物在不同温度下的黏度，并获得相关黏温性。

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。