查询词典 X-ray diffraction

The main results are summarized as follows: X-ray powder diffraction investigation of the Pr5Si_4-xGex pseudobinary system reveals that three structurally distinct phase regions exist in the system at ambient temperature.

经1273K退后一周后，该体系只存在两个单相区：Zr_5Si_4结构的Pr_5Si_4基固溶体(0≤x≤2.8)；正交Sm_5Ge_4结构的Pr_5Ge_4基固溶体(3.0≤x≤4.0)；室温存在的单斜Gd_5Si_2Ge_2型金属间化合物相区则完全转变为高温的四方相相区。

Three classes, forty-eight in total, of pyrazole compounds, imidazolo[1,2-b] pyrazoles, dipyrazolylmethanones and pyrazolyloxadiazoles, have been synthesized, and they have been fully characterized by modern spectroscopic methods, two of which were further confirmed by X-ray diffraction. Most of these compounds have been evaluated for the inhibitions of Gram-positive bacterium represented by Staphylococcus aureus and Gram-negative bacterium represented by Klebsiella pneumoniae.

论文合成了咪唑并[1，2-b]吡唑类、二吡唑基甲酮类和吡唑连噁二唑类共三类48个化合物，使用了现代结构测试手段对所合成的化合物进行了结构表征，其中两个化合物经过了X-Ray射线衍射分析，并对其中大部分化合物进行了以金黄色葡萄球菌和肺炎克雷白杆菌为代表的革兰氏阳性菌和革兰氏阴性菌的初步抑菌活性测试。

A new photochromic organic compound of thiosemicarbazone, 4-( p -bromo-α-methylaminothiocarbonyl hydrazonobenzal)-2,5-dihydro-3-methyl-5-oxo-1-phenyl pyrazole, was synthesized and characterized by elemental analyses, IR, 1H NMR spectra, and X-ray single-crystal diffraction analysis.

文章合成了一个新的有机化合物1-苯基-3-甲基-4-对溴苯亚甲基-吡唑啉酮-5 缩甲基氨基硫脲(1)，并分别用元素分析、红外光谱、氢核磁共振及X-射线单晶衍射对化合物的结构进行了确证和表征。

Two novel pyrazolone derivatives 2-ethylamino-6H-5-(1-phenyl-3-methyl/phenyl-5-pyrazolone-4-ylene)-1,3,4-thiadiazine (PMCP-ETSC/DPCP-ETSC) containing NNS six-membered heterocycles were synthesized by the condensation reaction of 1-phenyl-3-methyl/phenyl-4-chloroacetyl-pyrazolone-5 with 4-ethyithiosemicarbazide. The title compounds were characterized by elemental analysis, IR, 1H NMR, 13C NMR and single-crystal X-ray diffraction.

利用1-苯基－3-甲基／苯基－4-氯乙酰基－吡唑啉酮－5与4-乙基氨基硫脲发生缩合反应，生成了2个新的双杂环化合物2-乙氨基－6H-5-（1-苯基－3-甲基／苯基－5-吡唑啉酮－4-基）－1，3，4-噻二嗪(PMCP-ETSC/DPCP-ETSC)，并对其进行元素分析、红外光谱、核磁共振表征和晶体结构分析。

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 novel complex of Ni (3-PyOH)4Cl2 (3-PyOH=-pyridone) was synthesized by the reaction of NiCl26H2O and 3-hydroxypyridine in an alcohol solution, and characterized by elemental analysis, IR spectrum and single crystal X-ray diffraction.

利用氯化镍和3-羟基吡啶在乙醇溶液中反应得到了配合物Ni(3-PyOH)4Cl2（3-Pyon=3-羟基吡啶），并对其进行了元素分析、红外和单晶X射线的表征。

The crystal was obtained from the interaction system, NH4VO3/H2O2/ 2-(2′-pyridyl)imidazole, in aqueous solution under the physiological conditions, and the complex was characterized by solution NMR, IR, X-ray crystal diffraction and elementary analysis.

经NMR、IR、X-ray衍射和元素分析等谱学方法或分析手段确定其组成[NH4{OV(O2)2{2-(2′-Py)-Imi}·4H2O}]和结构，其51V的化学位移在单核双过氧钒化合物中是最大的。

The pyrogenation process of organic and inorganic compounds of pearl shell breeding in freshwater are studied by Fourier transform infrared spectroscopy,X-Ray Diffraction and thermogravimetric analysis at different temperature.

用傅里叶变换红外光谱、X射线衍射和热重分析方法，对淡水养殖珍珠贝壳的热分解行为进行了研究。

Collagen-chitosan-polyvinyl pyrrolidone blend film s were prepared successfully by solution method,and characterized by FT-IR,X-ray diffraction and optical transmittance.

利用溶液共混法成功制备了新型生物膜材料——胶原蛋白—壳聚糖—聚乙烯吡咯烷酮共混膜，通过红外光谱、X-射线衍射和透光率测试表征了共混膜的结构，同时测定了共混膜的力学性能，考察了溶液pH值对共混膜吸水率的影响。

An amphiphilic graft copolymer was obtained using a macromonomer method and its aggregate behavior and phase structure in aqueous solutions were studied by tensionmetry, polarized micrography, rotation rheometry and small-angle X-ray diffraction.

采用大分子单体法制备接枝型两亲共聚物，通过表面张力仪、偏光显微镜、旋转流变仪和小角X射线衍射研究了两亲共聚物在水溶液中的聚集行为及其相结构。

Tom: You are right, he worked hard all the time.

你是对的。他一直都是努力工作。

Take shortcomings,failures,and mockings of others as commonplace and a drive to complete oneself,hold your own opinion over the evalution and disscution divested from others,afterwards sink into the state of eliminate mistakes if any or encourge oneself being not being influenced by the sayinngs of others or having no ideas to do.

把缺点、失败及别人的耻笑等看成是一种常事，当成完善自己的动力，对别人的评价和议论自己心中有主见，做到&有则改之，无则加勉&，不为人言所左右或无所适从。