查询词典 selenides

Reaction of the insertion adducts with epoxide s and α,β unsaturated esters in THF HMPA afforded the corresponding unsymmetrical selenides, respectively.

硒插入芳基锌的C—Zn键产生对应的芳基硒化锌，它与环氧或α，β不饱和酯在温和的条件反应生成对应的不对称的硒醚

The secondary native selenium was discovered in the Yutangba Se deposit,western Hubei Province,China,which is one of rare selenides in the world.

在湖北渔塘坝硒矿床氧化矿石及地表松散堆积物中存在大量罕见的次生自然硒。

The effect of temperature(291K-313K) on the thermodynamic behavior of two racemic glycerin selenides on CDMPC chiral stationary phase was investigated with a mobile phase consisting of n-hexane/2-propanol(80/20,v/v).

在流动相组成为正己烷/异丙醇(80/20，v/v)，温度为291K-313K条件下，考察了2种结构相似的外消旋硒代甘油醚色谱手性拆分的热力学行为。

Only very few of the quaternary metal selenides KxMyMy(Sez M(=Zn,Cd,Hg have been reported except K2Hg3Sn2Se, K2Hg3Ge2Se8, K6ZnSn5Se17 ect.

据文献报道，已经合成的KxMyMy(Sez M(=Zn，Cd，Hg体系的化合物很少，例如：K2Hg3Sn2Se8，K2Hg3Ge2Se8，K6ZnSn5Se17等。

In this thesis, nano-scale particles of metals, metal sulfides, selenides, oxides and nano-composites of metals/polymer, semiconductor sulfides/polymer have been successfully prepared by γ-ray irradiation technique in sorts of systems including water system, alcohol system, ethylenediamine system, microemulsion and emulsion system at room temperature and under ambient pressure. The possible formation mechanisms of nano-scale materials were suggested, and some factors of affecting the formation of nano-materials were studied.

本论文使用〓Co-γ射线辐射技术，在常温常压下分别于水体系、乙醇体系、乙二胺体系、微乳液和乳液体系中，成功地制备了纳米金属、硫化物、硒化物、氧化物以及金属／聚合物、半导体硫化物／聚合物纳米复合材料，并初步探讨了纳米材料形成的可能机理和影响因素。

Firstly, Vinyl ethers were prepared in a one-pot, two-step transformation by O-alkylation reaction of 2-hydroxyalkyl phenyl selenides with primary or secondary organic halides followed by oxidation-elimination with 30 % hydrogen peroxide.

1.2-羟基烷基苯基硒醚和伯、仲卤代烃通过O-烷基化反应，然后用30％的双氧水进行氧化消除反应，提供了&两步、一锅法&合成烯基醚的新方法，该方法反应条件温和，操作简便，产物收率中等到良好(70-85％)。

Using organic amines as structure-direct agent, three binary indium selenides [(1, 2-dapH2)4][In10Se19](10), 7[In11Se20](11) and (AEAEH2)3.5[In17Se29](12) were obtained.

化合物10为T3簇结构，又通过顶端Se原子二齿桥连形成一个3D敞开框架结构，其中孔洞体积在晶胞中占8144.6 ？

Under atmospheric pressure, binary nanocrystalline sulfides and selenides such as CdS、CdSe、PbS、 PbSe、Cu〓Se、Ag〓S、Ag〓Se、SnSe are obtained at room temperature; nanocrystalline CdTe and PbTe are obtained by heating. Nanocrystalline NiSe〓、CoSe〓 and FeTe〓 are obtained by hydrothermal conditions.

根据硫、硒歧化的碱溶液与碲歧化的碱溶液稳定性的不同，发现在室温条件下可成功获得CdS、CdSe、PbS、PbSe、Cu〓Se、Ag〓S、Ag〓Se、SnSe等二元硫化物与硒化物纳米晶；加热条件下可成功获得CdTe与PbTe纳米晶；而NiSe〓、CoSe〓及FeTe〓的合成则要在水热条件下进行。

Alkaline earth sulfides MS, alkaline earth selenides MSe, MS1-xSex,gallium sulfide Ga2S3, oxysulfide MLaGa3OS6, complex sulfides MGa2S4 and Ba2ZnS3 doped with rare earth ions Eu2 , Ce3 , Tb3 , Ho3 , Tm3 were synthesized and their spectroscopic properties were studied.

合成了掺Eu2 ， Ce3 ， Tb3 ， Ho3 ， Tm3 等稀土离子的碱土硫化物MS，碱土硒化物MSe，碱土硒硫化物MS1-xSex，硫化镓Ga2S3，氧硫化物MLaGa3OS6，和复合硫化合物MGa2S4， Ba2ZnS3，并研究了它们的光谱性质。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。