查询词典 elemental analysis

Levorotatory and dextrorotatory enantiomers of cetirizine and other nine compounds were synthesized and were identified by MS, IR, 1H-NMR and elemental analysis .

通过化学拆分得到单一手性的4-氯-α-苯基苯甲胺，然后由它出发合成出左西替立嗪和其它九个化合物的单一对映体，并经元素分析、红外、质谱、核磁等鉴定。

They were characterized by Elemental Analysis, IR,UV-Vis spectra and mass spectrum.

利用元素分析、红外光谱、UV/Vis 光谱、质谱对酞菁金属配合物进行了表征。

The new water-soluble reagent N―Nonyl―N＇―Sodium p-Aminobenzenesulfonate Thiourea NPT was synthesized and its structure was confirmed by elemental analysis,IR, UV and1 HNMR spectra.

合成了水溶性的新试剂N―壬基―N＇―氨基对苯磺酸钠硫脲NPT，经元素分析、IR、UV、1HNMR测试，确定了其结构。

In order to provide theoretical basis for the harmonious development of urban-rural regional system in northern slope economic zone of Tian Mountain, the quantitative evaluation of urban-rural related development was conducted by the main elemental analysis in this article.

笔者以天山北坡经济带11市县的城乡区域系统为研究对象，采用主成分分析法对该区域城乡关联发展水平进行了定量评价，以期为天山北坡经济带城乡区域系统的协调发展提供依据。

N-Methyl-3,3-dimethyl spiroindoline-2,3'[3H] naphthaline [2,1-b] [1,4] oxazine was synthesized by 1,3,3-trimethyl-2-methylene indoline and 1-nitroso-2-naphthol, its UV and IR spectra and elemental analysis were carried out, and the photochromism and main influencing factors such as temperature, solvent and pH were studied.

以1，3，3-三甲基－2-亚甲基吲哚啉和1-亚硝基－2-萘酚为原料合成了N-甲基－3，3-二甲基螺吲哚啉-2，3'[3H]萘并[2，1-b][1，4]恶嗪，对其进行了紫外和红外光谱以及元素分析，并对其光致变色性质以及主要影响因素温度、溶剂和pH进行了研究。

Three new ternary copper complexes: 3.5H2O(1)、 2H2O (2) sand 1.5H2O(3)(phen=1, 10-phenanthroline, tatp=1, 4, 8, 9-tetranitrogen, dppz =dipyrido [3,2-a; 2,3-c]phenazine, Gly-L-Val=Gly-L-Valine), were synthesized characterized by elemental analysis, molar conductivity, IR and UV-Vis spectroscopes.

本文合成了3个新的三元铜配合物：3.5H2O(1)、2H2O(2)和1.5H2O(3)［Gly-L-Val=甘缬二肽，Phen=l，10-邻菲咯琳，TATP=l，4，8，9-四氮三联苯，DPPZ=二吡啶并［3，2-a；2，3-c］吩嗪］。通过元素分析、红外光谱、紫外－可见光谱以及摩尔电导率测定对这些配合物进行了表征。

Soluble PANt (=0. 49dl/g) in NMP was used tocopolymerize with -COCI terminated low molecular weight poly- to - phenylene terephathalamide. Through elemental analysis the molecular wd...

我们还用聚苯胺（［η］＝0.49dl／g）与－COCI封端的果对苯二甲酰对苯二胺进行嵌段共聚，经过产物的元素分析与计算结果比较，确定出特性黏数为0.49dl／g的聚苯胺平均分子量。

In order to find active pesticide leading compounds, thinking about that triazolothiadiazoles had various biological activities, this paper designed and synthesized 11 novel title compounds from 3-substituted-4-amino-5-mercapto-1,2,4-triazoles with heterocyclic carboxylic acid via cyclization in the presence of phosphoryl chloride by the princple of combination of active strucural moieties. The structures of the title compounds were characterized by melting point, IR, 1HNMR and elemental analysis.

为了寻找高活性农药先导化合物，考虑到三唑并噻二唑衍生物具有广泛的生物活性，本文利用活性亚结构拼接原理，将活性基团分别引入1，2，4-均三唑并[3，4-b]-1，3，4-噻二唑杂环的3位和6位，合成了未见文献报道的3，6-二取代均三唑并[3，4-b]-1，3，4-噻二唑类化合物11个，并用IR、1HNMR及元素分析测试技术对其进行了结构表征。

The composition, structure and properties of the new pillared material were characterized by elemental analysis, XRD, IR spectra and TG-DTA curves.

用元素分析、IR、XRD和TG-DTA测试技术对产物的组成与结构进行了表征。

Finally, 2-Bromo-5-formyl -3-methylpyrrole was prepared by refluence under the alkaline condition. The structures of the synthetic products were characterized by elemental analysis, infrared, gas mass and 1H nuclear magnetic resonance.

对上述各步的合成过程中，通过元素分析、红外光谱、气相质谱和核磁共振光谱等检测手段对所合成的化合物进行了结构表征。

Now she was hungry and angry.She began to smoulder.

现在她又饿又气，她开始流露难以抑制的怒火。

You have placed our iniquities before You, Our secret sins in the light of Your presence.

诗90：8 你将我们的罪孽摆在你面前、将我们的隐恶摆在你面光之中。