查询词典 elemental analysis

Three novel rigid compounds 3, 6-bis[2-(4-pyridylethenyl]-9-ethylcarbazole (L~1), 3,6-bis[2-(2-pyridyl)ethenyl]-9-ethylcarbazole (L~2), 3,6-bis[2-(4-pyridyl)ethenyl]-9 -ethylpyridylcarbazole (L~3) were successfully synthesized by Heck reaction, which were fully characterized by elemental analyses, NMR, MS, IR spectra and single X-ray diffraction analysis.

利用Heck偶联反应，成功地合成了三种新型刚性的吡啶基咔唑类化合物：3，6-二[2-(4-吡啶基)乙烯基]-9-乙基咔唑(L~1)，3，6-二[2-(2-吡啶基)乙烯基]-9-乙基咔唑(L~2)和3，6-二[2-(4-吡啶基)吡啶基]-9-乙基吡啶基咔唑(L~3)，通过元素分析、核磁共振谱、质谱、红外光谱和单晶X-射线衍射等分析手段确证了它们的结构。

The influence of the structure and property of Jinzhou coker heavy gatch on formation of needle coke was investigated by using elemental analysis, liquid chromatogram, FT-IR spectroscopy and molecular weight determination.

本文利用元素分析、液相色谱、傅立叶变换红外光谱、分子量测定等分析手段，研究了锦州焦化重蜡油的组成结构和性质对生产针状焦的影响，并通过与典型针状焦生产原料——锦州催化裂化油浆的比较，指出了锦州焦化重蜡油用作针状焦原料的不足。

Elemental analysis, IR spectroscopy and TEM were used to characterize the properties of the grafted products.

采用元素分析、红外光谱和透射电镜等方法对产物的结构和性质进行表徵。

The complex was characterized by elemental analysis, infrared spectrum and thermal gravimetric analyses.

采用元素分析、红外光谱和热重分析对化合物进行了表征。

The structures of the target compounds were confirmed by MS, IR, 1H NMR spectra, and elemental analysis. The preliminary biological tests show that some of the target compounds have certain herbicidal activities.

通过元素分析， 1H NMR， IR 和MS确定化合物的结构，初步生物活性测试表明标题化合物具有一定的除草活性。

The final compounds structures were characterised by 1HNMR, elemental analysis and IR as well. Herbicidal activity of the compounds was evaluated both in vitro and in vivo. The results showed that most of them had good biological activities.

设计合成了一系列新化合物，合成得到38个中间体，均得到了1H核磁共振证实；14个目标化合物，全部通过了1H核磁共振和元素分析的证实，部分化合物还得到了红外光谱的验证。

Five new heterocyclic compounds were synthesized and characterized by elemental analysis, IR, 1HNMR and MS.

总共合成5个新的化合物，并用元素分析，IR，~1HNMR，和MS进行了鉴定。

The charge transfer salts with second order nonlinear optical properties have been synthesized based on hexamethylenamine and the heteropoly acids,H 3PMo 12 O 40 ·nH 2O,H 4SiMo 12 O 40 ·nH 2O and H 4GeMo 12 O 40 ·nH 2O and characterized by elemental analysis,IR spectra and UV spectra.

合成了由六次甲基四胺与H3PMo12O40·nH2O，H4SiMo12O40·nH2O 和H4GeMo12 O40·nH2O 形成的具有二阶非线性光学性质的电荷转移盐，并由元素分析，红外光谱，电子光谱进行了表征。

The charge transfer salts with second order nonlinear optical properties have been synthesized based on hexamethylenamine and the heteropoly acids,H 3PMo 12 O 40 ·nH 2O,H 4SiMo 12 O 40 ·nH 2O and H 4GeMo 12 O 40 ·nH 2O and characterized by elemental analysis,IR spectra and UV spectra.

本文研究了一系列不同富硫有机配体的配合物以及富硫有机分子修饰的硫化物；合成了两个系列的7个富硫配合物和2个电荷转移盐，运用元素分析、红外、紫外-可见光谱对配合物进行了表征，并且通过单晶四圆X-衍射测定了C_5H_6S_5CuI(1)、(C_5H_6S_5)2PdI_2(6)、C_(10H_(10)S_8[(C_4H_4S_4)AuCl_2](8)、C_(10H_(10)S_8Hg_2Cl_6(9)四个化合物的晶体结构。

These compounds are of substantial interest both inviewpoints of theory and practical applications, mainlyunder the stimulus to achieve synthetic models either foractive sites of iron-sulfur proteins or for transitionmetal catalysts. This thesis describes the synthesis, structures andconformations of 51 new iron-sulfur cluster complexes,which have been characterized by elemental analysis andstandard spectroscopic methods. In addition, single-crystalX-ray diffraction analyses were performed for 4 representa-tive new compounds. Reactivities of μ-〓 with mono- and di- Grig-nard reagents derived intermediates toward various organicelectrophilic substrates were studied, along with complexa-tion of arynyl-containing iron-sulfur clusters by 〓Thus, several bridged, non-bridged, monomeric, dimeric,homonuclear, heteronuclear iron-sullfur and iron-sulfur co-balt-carbon cluster complexes were synthesized. A novelreaction and convenient route for the synthesis in highyield of tetranuclear iron complexes 〓 containing atetracoordinated sulfur atom was discovered, whereas aplausible mechanism based on experimental results was propo-sed for the formation of the new cluster type.

鉴于有机铁硫原子簇化学在基础理论发展和应用方面的重要意义，因此我们开展了这一课题的研究，并取得以下主要成果： 1、本文共合成了51个新有机铁硫及含钴碳簇基的有机铁硫原子簇配合物，除用元素分析，NMR，IR，MS法表征其结构和构象外，还用X-光衍射技术测得四个代表性配合物的单晶结构和构象； 2、我们业已发现炔基Grignard试剂同〓可形成一种&开环&与&闭环&中间物的平衡混合物，研究该平衡混合物同各种亲电试剂的反应； 3、研究发现了一种可高产率地形成〓含〓四配位硫挛合簇的新化学反应并对此反应提出了—种有趣的反应机理； 4、首次由1，4-二溴丁烷双Grignard试剂与〓制得一种新型铁硫簇双硫阴离子活性中间体，并进而研究了它的亲核反应性能； 5、找到了通过〓的光化学反应来合成簇合物〓-〓的一条有实用价值的新路线。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。