查询词典 elemental analysis
- 与 elemental analysis 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The structure and composition of the title complexes were characterized by means of elemental analysis, EDTA titrimetric method, UV spectra and IR spectra. The fluorescence properties and thermal stability of the title complexes were also studied.
利用元素分析、EDTA配位滴定分析、红外光谱和紫外吸收光谱分析对目标物的组成与结构进行了表征,并研究了其发光性能和热稳定性。
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A series of novel amphipathic macrocyclic polyamine ligands derived from iminodiacetic acid and diethylene triamine have been synthesized and characterized by MS, 1H NMR, IR spectra and elemental analysis.
以亚胺基二乙酸和二乙撑三胺为原料,通过关环等反应合成了一类侧链含有羟基的新型两亲性大环多胺。
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3,6-Bis(1 H -1,2,3,4-tetrazol-5-yl-amino)-1,2,4,5-tetrazine was synthesized by triamino- guanidinium nitrate with 2,4-pentanedione of condensation, followed by oxidation and substitution reaction. The product was characterized by elemental analysis, IR, NMR and DSC.
以三氨基胍硝酸盐、戊二酮为起始原料,经缩合、氧化、取代等反应合成了3,6-双(1 H -1,2,3,4-四唑-5-氨基)-1,2,4,5-四嗪,并通过元素分析、红外、核磁、差示扫描量热法等分析手段对其进行了表征。
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Two novel tridentate polypyridyl mixed-ligand cobalt [Co(H2Bzimpy)]3+ and ruthenium complexes were synthesized and characterized via elemental analysis and 1H NMR. The crystal structure of complex B was determined.
合成了两种新型三齿多吡啶钴 [Co(H2Bzimpy)]3+和钌混配配合物,用元素分析和1H NMR等对其结构进行了表征,测定了配合物B的晶体结构。
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Two novel tridentate polypyridyl mixed-ligand cobalt [Co (H2Bzimpy)(superscript 3+)] and ruthenium complexes were synthesized and characterized via elemental analysis and (superscript 1)H NMR. The crystal structure of complex B was determined. The interactions between the complexes and calf thymus DNA were investigated with absorption and fluorescence spectroscopys. Photoactivated cleavage of pBR322DNA by the synthesized complexes were studied.
合成了两种新型三齿多吡啶钴[Co(H2Bzimpy)](上标 3+)和钌混配配合物,用元素分析和1HNMR等对其结构进行了表征,测定了配合物B的晶体结构用电子吸收光谱和荧光光谱等方法研究了配合物与小牛胸腺DNA的相互作用以及配合物对pBR322DNA的断裂作用。
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A new unsymmetrical ONO tridentate chain ligand N-(2′-hydroxyl) benzyl-ethanolamine has been synthesized and characterized by elemental analysis, IR and 1NMR.
宗汉兴 ,林瑞森,寇福平,解永树合成了不对称氮氧杂链型配体N-(2′-羟基苄基乙醇胺,通过元素分析、IR和1H NMR等手段进行了表征。
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In this article, three novel cyclopalladated ferrocenylimine triphenylphosphine complexes 2-4 were easily synthesized and characterized by elemental analysis, IR, 1H NMR, 31P NMR and X-ray single crystal diffraction.
为筛选高效催化Suzuki反应的催化剂,合成了3种新的环钯化二茂铁亚胺-三苯基膦配合物2~4,经元素分析、红外光谱和核磁共振谱对其结构进行了表征,并通过X射线单晶衍射测定了化合物3的晶体结构。
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Eight new chlorosubstituted chlorin de-rivatives with skeleton of chlorophyll-a were synthesized and their chemical structures were characterized by elemental analysis, UV, IR and 1H NMR spectra.
所合成的新化合物均经UV, IR, 1H NMR及元素分析证明其结构。
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The product was characterized by IR and elemental analysis and assayed by HPLC.
通过元素分析、IR对其结构进行表征,并用HPLC测定其含量。
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The products were identified by IR,NMR,MS and elemental analysis. In our method,K.OH was used in place of NaOH to synthesize benzyl ester of 3,5-dimethyl-4-hydroxybenzoic acid,2',6'-dimethyl-4'-(n-succinimidyloxycarbonyl) phenyl-acridinium-9-carboxylate was purified on a silica gel column with chloroform/ethylacetate(4:l,v/v) as eluent and further purified by triturating with hexane/acetone(2:l,v/v).The luminescence produced by DMAE-NHS is a flash light with maximumemission at 0.4s and decay half-time of 0.9s. The luminescence intensity is 6.11x10 cps/mol,which is affected by the composition of trigger and surfactant.
DMAE·NHS的合成是本论文的关键和难点,我们对文献方法进行改进:文献方法用氢氧化钠与3,5-二甲基-4-羟基苯甲酸反应制得3,5-甲基-4-羟基苯甲酸钠,再用3,5-二甲基-4-羟基苯甲酸钠与苄氯作用制备3,5-二甲基-4-羟基苯甲酸苄酯,我们用氢氧化钾代替氢氧化钠,使合成取得成功;在合成2',6'-二甲基-4'-苯基-吖啶-9-甲酸酯时,文献方法对粗产品进行两次硅胶柱层析纯化,第一次柱层析用氯仿/乙酸乙酯(4:1,Ⅴ:Ⅴ)作溶剂和淋洗剂,第二次柱层析用己烷/丙酮(2:1,Ⅴ:Ⅴ)作溶剂和淋洗剂,按照文献方法得到的不是所需要的化合物,我们只进行第一次柱层析纯化,然后用己烷/丙酮(2:1,Ⅴ:Ⅴ)进行研磨,过滤,洗涤,除去溶于己烷/丙酮(2:1,Ⅴ:Ⅴ)的部分,得到所需要的产品。
- 推荐网络例句
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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。
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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
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。