化合物

The structure of 9 exhibits a two-dimensional layer structure, in which Dy2O2 dimer serves as the building block.

化合物8为首次发现的稀土柠檬酸配合物修饰的双缺位Keggin型多金属氧簇化合物。

Pinacol reductive coupling reaction of aldehyde and ketone is one of the most important methods in forming C-C bond, which may also produce vicinal diol as valuable intermediate compound applied in the synthesise of natrual products.

醛酮的Pinacol还原偶联反应是合成C—C键的重要方法之一，同时合成的邻二醇类化合物是重要的有机合成中间体，已被应用于许多含有邻二醇结构的复杂天然化合物总合成中。

In this thesis, for the first time, we attempted at preparing a library of 20×20 dipeptide aldehydes based on 20 natural amino acids by parallel solution phase method.

本论文以20个天然氨基酸为原料，利用液相平行合成技术进行了一个20×20的二肽醛化合物库的系统合成的尝试，并进一步合成了3，6-二取代-5，6-不饱和-2-哌嗪酮化合物库。

The order of elution, as well as the migration time and separation efficiency of these compounds changes with the acidity of the solution, which suggests the disassociation of the hydrogen on the secondary amino group in these compounds.

它不仅影响化合物的迁移时间和分离效率，还改变其出峰顺序，这与碱性条件下化合物仲胺基上氢的电离有关。

Tang Wen-Xia In order to find out the relationship between the structure and function of copper/zinc superoxide dismutase, and elucidate mechanism of the catalytic dismutation of 〓, we have designed and synthesized two new model compounds of Cu, Zn-SOD, and studied relationship of their structure, properties and biological activity.

为了阐明Cu，Zn-SOD酶活性中心结构和功能的关系，探讨其催化〓歧化作用机理，本文设计并合成了两种不同结构的Cu，Zn-SOD模型化合物及一系列有关化合物，对它们进行了深入研究。1。

The pollution of natural water caused by hydroxybenzene compound are increasingly serious nowadays, that disserve entironment and health of human. How effectively disposed of the hydroxybenzene compound in water samples from environment is concern of everybody.

有机酚类化合物造成的水体的污染，直接危害着人类的健康和生态环境，如何有效地处理环境水样中有机酚类化合物，是当今人们普遍关注的一个问题。

The present invention is related to an imidazole ring-containing compound and an organic electroluminescence display device using the same.

本发明提供含咪唑环的化合物和使用该化合物的有机电致发光显示器。

Through the study of metallographic specimen and the inclusions through electrolyzation under SEM, it is indicated that the Ti-deoxidized products are globular compound inclusions with the size of 1~3μm in this experiment condition. With the technical of ion beam thinner the inner structure of these inclusions can be observed, whose core is Ti-O and outer is Mn-S. Based on EBSD the phase composition has been analyzed and it indicated that these globular compound inclusions are Ti2O3 and MnS with nucleating center Ti2O3, which can prompt to nucleate IGF.

在扫描电镜下通过对金相试样和电解提取的夹杂物研究表明，本实验条件下钢液凝固过程中析出的夹杂物是Ti-O-Mn-S形成的尺寸为1～3μm的球形复合夹杂物；通过离子减薄后观察了夹杂物的内部结构，中心是Ti-O化合物，外围是Mn-S化合物；通过电子背散射衍射对夹杂物的物相组成的分析表明了该复合夹杂物是有利于针状铁素体形核的Ti2O3和在凝固过程中以Ti2O3为核心形核的MnS。

A compound containing nitrogen with another more electropositive element, such as phosphorus or a metal .

氮化物一种含有氮和另外一种更具正电性元素的化合物，如磷或金属的化合物

Because both ions in A and B sites of these compounds can be substituted by other ions with different electrovalence and radius in a wide range, their dielectric property is adjustable and can be optimized in a large scale. This implies that new type MWDC with advanced dielectric property may be exploited from these compounds and widely used.

该类化合物由于A、B位均可能被电价与半径不同的阳离子在较宽的范围内取代，所以其介电性质有较大范围的调节与优化的可能性，因此从该类化合物中极有可能开发出具有广泛应用前景的新型高性能微波介质陶瓷材料。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。