查询词典 elemental algorithm

This dissertation aims at finding anticancer and antibacterial polynuclear complexes targeting DNA with high activity and low toxicity. Sixteen compounds were synthesized, and characterized by means of X-ray single crystal diffraction, elemental analysis, molar conductivity and IR, and the influencing factors on structures of the compounds have been investigated. The actions of these compounds to DNA were also investigated by spectral, electrochemical and hydromechanical methods.

本论文以DNA为靶点，以寻找新结构类型的高效、低毒的抗癌、抗菌多核配合物为目标，从分子设计出发，共合成得到了16个化合物的单晶结构，对其进行了结构表征，探讨了结构影响因素，并研究了其超分子结构；采用紫外-可见吸收光谱法、荧光光谱法、电化学和粘度法，从分子水平上研究了所得配合物与DNA的相互作用；在细胞水平上，研究了草酰胺桥联双核配合物的抗菌和抗肿瘤活性。

One has the ability of photo-cleavage of DNA and another one as potential anti-cancer drug has the ability of oxidative cleavage of DNA. 1. As for the first system, a new ligand----Tpphz is used as the intercalator of the targeted compound. The 〓 is synthesized and characterized by elemental analysis,〓H NMR, molar conductivity, AgNO〓 titration, UV and fluorescence spectra.

核酸的光切割方面，我们选择了近年来新发现的一个配体Tpphz作为目标化合物的插入配体，合成了新颖的〓单核配合物，并通过元素分析、〓H NMR、摩尔电导测定、中心离子滴定法、紫外光谱和荧光光谱对此化合物进行了详细的表征。

In the third chapter, eight new complexes of 4, 6-dimethylpyrimidine 2-thioacetic acid with rare earth metals has been synthesized and characterized by means of elemental analysis, molar conductivity, IR,〓 NMR and TG-DTA. The general formula of the complexes is Ln〓(n=4 or 5). In the complexes, the deprotonated ligand coordinated to the rare earth metal ions in chelate bidentate mode. 4 or 5 molecular of crystal water existed in the complexes.

第三章合成了八种4，6-二甲基嘧啶-2-硫代乙酸的稀土配合物，通过元素分析、摩尔电导、红外光谱、核磁共振氢谱和热重-差热对配合物进行了表征，研究结果表明，配合物的组成为Ln〓n=4或5），在配合物中配体羧基脱去质子后采用螯合双齿的方式与稀土离子形成配位键，同时，配合物中含有4或5个结晶水。

The composition and fluorescence property of 2,2,2-amine tri acetyl-benzylamine with ligand of tripod type were studied through Molar conductivity, infrared spectrum, NMR, elemental analysis, thermal analysis, and UTA-TG analysis.

方法］通过摩尔电导率、红外光谱、核磁共振波谱、元素分析、差热－热重分析，研究三脚架型配体2，2，2-胺三乙酰－苄胺及其稀土配合物的组成、荧光性质。

By elemental anal., molar conductivity, TGA, DSC, and reflectance spectroscopy, all bridged heteronuclear complexes were characterized. Imidazolate bridges exist in the heteronuclear complexes. From the ESR spectra of the bridged heteronuclear complexes in solution, the bond parameters of Cu2+ were calculated and nature of the bond discussed.

对它们进行了元素分析、差热失重分析、摩尔电导测定及反射光谱研究，确证了配合物的组成及分子中咪唑桥的存在，通过对各配合物的ESR谱测定，得到了它们的自旋Hamilton参数和键参数，讨论了配合物的成键性质。

A novel ligand, N, N'-bis (2-hydroxy-1-naphthylidene)-3-oxa-1, 5-diaminopentane , and its Zn , Ni , Co , Cu complex were synthesized. The compositions and structures of the ligand and its complexes were characterized by elemental analyses, MS , IR spectra, DTA-TG and molar conductivity.

合成了含萘酚环Schiff碱开链冠醚配体H〓L〓（N，N'-双-二甘醇二胺）及其过渡金属(Zn、Ni、Co、Cu)配合物，通过元素分析、质谱、红外光谱、摩尔电导对配体及配合物的组成、结构进行了详细的表征，对配体和配合物的溶液和固体荧光性质进行了研究。

Monomers and their polymers were characterized by IR, 1H-NMR and elemental analyses.

单体和聚合物经IR，1H-NMR和元素分析等表征。

With the principle of innovation, this paper has studied the social influence of Sino-German Financial Cooperation Project, and has made an elemental analysis of it.

本文以&创新&为切入点，对中德财政合作造林项目产生的社会影响进行了探讨，对其进行了因素分析。

With the principle of innovation, this paper has studied the social influence of Sino-German Financial Cooperation Project, and has made an elemental analysis of it.

中文摘要：本文以&创新&为切入点，对中德财政合作造林项目产生的社会影响进行了探讨，对其进行了因素分析。

The titanium-substituted heteropoly tungstates with B and Si as acentral atom were synthesized and characterized by elemental analysis, IRspectra ,UV spectra ESR and 〓 NMR spectra.

经元素分析红外光谱、紫外光谱以及〓核磁共振谱，确定了它们的化学式和它们在因态及溶液中的结构—Keggin结构。

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。