查询词典 elemental analysis

The alkaline-earth metal complexes with mucic acid was successfully prepared via gel formation and characterized by elemental analysis,FT-IR measurements.

结果表明，粘液酸的两个羧基和四个羟基均能参与配位键的形成，而中心离子 Ca~(2+)、Sr~(2+)、Ba~(2+)与配体粘液酸的配位状况存在着一定差异。

Three bipolar-transporting materials containing carbazole and aryl oxadiazole groups bridged with 1,2-ethylene were synthesized and characterized by 1H NMR, 13C NMR and elemental analysis.

设计合成了三种1，2-亚乙基桥联咔唑和2，5-二芳基-1，3，4-噁二唑衍生物的双极传输材料，并通过核磁氢谱、碳谱、元素分析表征了它们的分子结构，研究了它们的紫外-可见吸收、光致发光、电化学和热稳定等性能。

Finally, the cytotoxic and antibacterial activities of the oxamido-bridged binuclear complexes were studied in vitro.. This dissertation consists of three sections as follows:1. The crystal structure of a oxamide dinitrate,(1) [H_4dmaeoxd](NO_3)_2 H_2dmaeoxd = N,N\'-bis[2-ethyloxamide, has been obtained. The diversity of complexes with different structures is carried out by successful synthetic strategy of controlling species of metal ions, counter anions, pH values and solvents in the course of synthesis. Four dinuclear complexes bridged by trans-dmaeoxd2-: [Cu_2_2](ClO_4)_2 (2), [Cu_2_2](ClO_4)_2 (3),、[Cu_2(Me_2phen)_2](ClO_4)_2 (4), [Cu_2_2(H_2O)_2] (5); Four dinuclear complexes bridged by cis-dmaeoxd2-: [NiNi_2](ClO_4)_2 (6), [CuNi_2](ClO_4)_2·2CH_3OH (7), [CuZn_2]-(ClO_4)_2·2H_2O (8), [Cu(H_2O)Ni_2](ClO_4)_2.0.5CH_3OH (9); three 1-D polynuclear complexes: [Cu_2]_n·nH_2O (10), [Cu_2(H_2O)_2-]_n·4nH_2O (11), [Cu_2(H_2O)]_n(NO_3)_n·2nH_2O (12); one 2-D polynuclear complex,[Cu_6_3(μ_3-OH)_2(H_2O)_2]_n(ClO_4)_(4n).2nH_2O (13); the others: [VO(H_2O)]·2H_2O (14), [Zn_2_4](ClO_4)_2·H_2O (15), [Cu_2]·2DCM (16) have been synthesized and characterized by X-ray single crystal diffraction, elemental analysis, IR spectra.

本论文主要包括以下三部分：一、合成得到了一个草酰胺配体硝酸盐的单晶结构，[H_4dmaeoxd](NO_3)_2 (1)；通过调控金属离子的种类、端基配体、抗衡阴离子、溶剂、pH值等条件定向合成了四个反式草酰胺桥联双核铜配合物：[Cu_2_2](ClO_4)_2 (2)、[Cu_2_2](ClO_4)_2 (3)、、[Cu_2(Me_2phen)_2](ClO_4)_2 (4)、[Cu_2_2(H_2O)_2] (5)；四个顺式草酰胺桥联同/异双核配合物：[NiNi_2](ClO_4)_2 (6)、[CuNi_2](ClO_4)_2·2CH_3OH (7)、[CuZn_2]-(ClO_4)_2·2H_2O (8)、[Cu(H_2O)Ni_2](ClO_4)_2.0.5CH_3OH (9)；三个一维聚合物： [Cu_2]_n·nH_2O (10)、[Cu_2(H_2O)_2-]_n·4nH_2O (11)、[Cu_2(H_2O)]_n(NO_3)_n·2nH_2O (12)；一个二维聚合物： [Cu_6_3(μ_3-OH)_2(H_2O)_2]_n(ClO_4)_(4n)。2nH_2O (13)；单核钒配合物[VO(H_2O)]·2H_2O (14)、草酸根桥联双核锌配合物[Zn_2_4](ClO_4)_2·H_2O (15)、美洛西康铜配合物[Cu_2]·2DCM (16)，利用元素分析、摩尔电导、红外光谱、电子光谱和单晶X-射线衍射对上述所得化合物进行了结构表征，探讨了结构影响因素，并研究了其超分子结构。

Compared with theoretical values 49.0%C,7.8%H,17.1%N the elemental analysis results of YXA2.3 that was 45.1%C,4.7%H and 11.1%N showed that oxycellulose chloride were aminated only partially in about 45%yield because of their huge molecular volume.

对YXA2.3进行有机元素分析结果为：C 45.1，H 4.7，N 11.1(理论值为：C 49.0，H 7.8，N 17.1)，其中11.1＜17.1，4.7＜7.8，这是由于大分子的特性，氧化纤维素的氯化物只部分发生的胺化。

To discover new strobilurin analogues with high pesticidal activity, a series of new strobilurin derivatives containing substituted pyrazole and pyrimide ring, which included 124 novel compounds (73 compounds containing substituted pyrazole ring and 51 compounds containing substituted pyrimide ring) were designed and synthesized. In addition, 36 new intermediates were synthesized. Their structures were characterized by ~1H NMR and elemental analysis, partial compounds were characterized by MS and IR once again.

为了发现具有更好生物活性的新型Strobilurin类化合物，本论文在详尽总结文献的基础上，设计并合成了含吡唑和嘧啶环的新型Strobilurin类化合物124个，其中含吡唑环的新型Strobilurin类化合物73个，含嘧啶环的新型Strobilurin类化合物51个；未见文献报道的中间体36个，所合成的化合物经过~1H NMR、IR、LC-MS或元素分析等确定了结构。

To discover new strobilurin analogues with high pesticidal activity, a series of new strobilurin derivatives containing substituted pyrazole and pyrimide ring, which included 124 novel compounds (73 compounds containing substituted pyrazole ring and 51 compounds containing substituted pyrimide ring) were designed and synthesized. In addition, 36 new intermediates were synthesized. Their structures were characterized by 1H NMR and elemental analysis, partial compounds were characterized by MS and IR once again.

为了发现具有更好生物活性的新型Strobilurin类化合物，本论文在详尽总结文献的基础上，设计并合成了含吡唑和嘧啶环的新型Strobilurin类化合物124个，其中含吡唑环的新加热管型Strobilurin类化合物73个，含嘧啶环的新型Strob 加热管 ilurin类化合物51个；未见文献报道的中间体36个，所合成的化合物经过1H NMR、IR、LC-MS或元素分析等确定了结构。

In the present paper, the silver-intermediate in development process of PTG material-disilver phthalate (Ag2PA) was prepared by the liquid deposition method, and Ag2PHZ2PA·H2O complex was synthesized successfully by liquid dispersion means using Ag2PA and phthalazine as the reactants. The composition of Ag2PA and Ag2PHZ2PA·H2O was determined by ICP-AES and elemental analysis,...

采用液相沉淀法合成了PTG材料热显成像过程的含银中间体邻苯二甲酸二银(Ag2PA)，并进一步使其与酞嗪络合形成了Ag2PHZ2PA.H2O配合物，通过元素分析、电感耦合等离子体原子发射光谱分析对Ag2PA与Ag2PHZ2PA.H2O配合物的元素组成进行了确定，采用X射线粉末衍射分析、傅里叶变换红外光谱分析以及热分析等方法对Ag2PA与Ag2PHZ2PA.H2O进行了表征，实现了对PTG材料热显成像过程含银中间体的定性分析。

The corresponding thiochromanones were synthesized from β-arylthioethers of propionic acid under microwave irradiation in the presence of polyphosphoric acid. Their structures were confirmed by IR, 1H NMR, MS spectra and elemental analysis.

关于这些化合物合成曾有一些报道：以硫酚及卤代羧酸为原料在回流或超声作用下合成β-芳硫丙酸，芳硫丙酸在浓硫酸或磷酸作用下环化制备硫色满酮[1，2]。

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。

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。

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