查询词典 elemental analysis

The structure was characterized by elemental analysis and IR spectroscopy as well as thermal gravimetric analysis.

对该配位聚合物进行元素分析、红外光谱表征、热重分析和X-射线单晶衍射测定。

Then mensurate their physical property and do elemental analysis ,infrared spectrum analysis to them .

依次测定了它们的物理性质，元素分析及红外光谱数据，并通过波谱数据表征了它们各自的构象，证实其确为目标产物，从而验证了此合成路线的可行性和可靠性。

This thesis investigated the influence of the structure of LHTO on thermalcracking reaction by using elemental analysis,NMR,GPC,Quinoline-lnsolubles analysis and micropolariscope .

本文利用元素分析、核磁共振波谱分析、相对分子质量分布分析、喹啉不溶物分析和偏光显微镜测试等试验方法研究了辽河稠油的组成结构特点对热转化反应过程的影响。

This could be a fascinating method for the practical syntheses of chiral synthons as valuable building blocks and important medicinal intermediates.3.Series of novel optical pureγ-aryl-1H-1,2,4-triazole derivatives were designed and synthesized by using the chiral auxiliary(Oppolzer\'s sultam),and all these target compounds were structurally characterized by ~1H NMR,~(13)C NMR,MS and elemental analysis,at the same time,some representative compounds have been elucidated by X-ray diffraction analysis.

应用手性辅剂樟脑磺内酰胺的手性诱导作用，设计合成了一系列光学纯的γ-芳基-1H-1，2，4-三唑类衍生物，所有目标化合物都采用了~1H NMR、~(13)C NMR、MS和元素分析进行了结构表征，同时也获得了部分代表性化合物的晶体结构，进一步确证了化合物的结构。

Their molecular compositions and structures were characterized by means of elemental analysis, EDTA titrimetric method, conductivity determination, FT-IR and UV spectroscopies; their thermal properties were studied by thermal analysis instrument.

通过红外光谱分析、紫外光谱分析、元素分析、EDTA配位滴定分析以及电导率的测定对铕三元荧光配合物的组成及结构进行表征。

One mixed-ligand complex ofnH2Otpa=terephthalate, tripy=4'-(4methyoxyphenyl-2,2':6',2-terpyridine was synthesized and characterized by IR, elemental analysis and thermo-gravimetric analysis. The crystal structure of the product was established by single-crystal X-ray diffraction.

采用水热法合成了新的维链状锌的配位聚合物nH2O（tpa=对苯二甲酸，tripy=4'-（4-甲氧基苯基）－2，2'：6'，2-三联吡啶），通过红外光谱和元素分析对该配位聚合物进行了结构表征，用X射线单晶衍射测定了晶体结构。

Benzoyl chloride was treated with potassium selenocyanate in dichioromethane by using polyethylene glycal-400 as the solid-liquid phase transfer catalyst to yield the corresponding benzoyl isoselenocyanate. This intermediate did not need to be isolated and directly reacted with arylamines, affording the N-benzoyl-N'-arylselenoureas 2a~2p. These compounds were characterized by IR, 1H NMR spectra and elemental analysis and the single crystal structure of 2k has been confirmed by X-ray crystallographic analysis.

以PEG-400为固液相转移催化剂，通过苯甲酰氯与硒氰酸钾反应合成了中间体苯甲酰基异硒氰酸酯，该中间体不需分离，直接与芳胺反应，得到N-苯甲酰基－N'-芳基硒脲(2a~2p)，这些化合物用1H NMR，IR及元素分析进行了表徵，并用X射线单晶衍射确定了化合物2k的单晶结构。

They were characterized by elemental analysis, molar conductance, differential thermal analysis and spectralIR, UV,(superscript 1HNMR studies.

用元素分析、摩尔电导、差热热重分析、红外光谱、紫外光谱和核磁共振氢谱叶其进行了表徵。

Their complements, structures and properties are analyzed by means of elemental analysis, molar conductance, infrared spectra, ultraviolet visible absorption spectra, thermal analysis, and electron microscope ect.

通过电导率、红外光谱、紫外可见光谱、热分析、电镜等分析手段对上述配合物的组成、结构和性质进行了表征。

A new Schiff baseH_(2Lhas been synthesized from sulfamethoxazole and complexes of this ligand have been prepared with it and characterized by elemental analysis,infrared spectrum,nuclear magnetic resonance,thermal analysis,molar electric conductance and solubility.

以磺胺甲基异口恶唑与对羟基苯甲醛合成一种新西佛碱(H2L)，并用此配体制备8个稀土配合物，通过元素分析、红外光谱、核磁共振、热分析、摩尔电导和溶解性试验对配合物进行了表征。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了