Fourth new aryl acyl ureas of triazole, tetrazole and thiodiazole have been synthesized.

合成了30個(gè)新的含三唑欧美乱爽乱视二、四唑和噻二唑的芳跖访酪患兑患毒肪镁茫基硫脲類化合物。

A series of crosslinkable alternating polys containing pendant phenylethynyl groups were synthesized via aromatic nucleophilic substitution reaction. The resultant polymers show good solubility in ordinary organic solvents.

以耐高溫高性能樹脂-聚芳醚酮作為研究對(duì)象欧美性A一区二区，從改善材料的加工工藝性及提高材料的使用溫度出發(fā)先锋网站资源，對(duì)含有苯乙炔基的交替共聚物進(jìn)行了系統(tǒng)研究。

Three kinds of FCC slurries from various crude oils were involved including naphthenic, intermediate and paraffinic base.

采用一種新型溶劑對(duì)環(huán)烷基国产AV一区黄色，中間基免费一级aaa视频，石蠟基FCC油漿進(jìn)行萃取，分別得到飽和烴和芳烴国内精品视频在线观看6。

A novel bis (o-aminobenzophenone) s monomer is synthesized, and is used to get three different polyquinolines containing phenylamine moiety through Frieldlander reaction. The solubilities, thermal stabilities and luminescent properties of the polymers were evaluated. All the polymers are thermal-stable, and are soluble in common organic solvents. The emission of their thin film is from excimer emission.

合成了一種新型的二鄰氨基二苯酮單體亚洲美女操，通過Frieldlander反應(yīng)，可以構(gòu)造出不同結(jié)構(gòu)的含有類三芳胺基元的發(fā)光聚喹啉a亚洲男人的天堂黄色美丽网站，對(duì)其溶解性中国免费的一级A片、熱性能進(jìn)行了研究，結(jié)果表明這類聚喹啉在常用有機(jī)溶劑中的溶解性有了很大提高日韩欧美在线视频一区，同時(shí)保持了聚喹啉較高的熱穩(wěn)定性亚洲中文字幕有码av；研究了它們?cè)谌芤簯B(tài)和薄膜態(tài)的紫外可見吸收光譜和熒光發(fā)射光譜，發(fā)現(xiàn)它們?cè)诒∧B(tài)下的熒光發(fā)射主要來自于分子間激基復(fù)合物發(fā)射激情电影激情小说激情图片。

Within carboxylic groups, the coordination properties of carbonyl were studied and tn SEM graphs of picolinic acid, meta-methyl benzoic acid and 2-chloro-benzoic acid systems, a large amount of chains like structures probably caused by crystal growth have been firstly observed.

首次在杯[4]芳烴下沿羥基引進(jìn)親電性的三乙氧基硅基異腈酸丙酯国产精品日本亚洲欧美，并且根據(jù)能量傳遞與匹配的機(jī)理合成了五種新型以改性超分子為功能片段的強(qiáng)鍵型雜化材料，其中與鋱能量傳遞與發(fā)射情況最為優(yōu)異99爱性网。

In order to find highly active lead compounds, a series of new pyridazine derivatives have been synthesized using 3,6-dichloro pyridazine as starting material by a three-step synthetic route.

為了尋找高活性的先導(dǎo)化合物www.91av在线，以3，6-二氯噠嗪為原料97黄色视频在线，經(jīng)過三步反應(yīng)精品人妻系列无码麻豆，合成了一系列未經(jīng)文獻(xiàn)報(bào)道的3-芳氧基-6-(3，5-二甲基-1H-吡唑-1-基)噠嗪在线能看的毛片。

Piperidine oxoammonium salts oxidize aromatic amines and N, S-containing heterocycles to the corresponding radical cations, and the isotope effects in electron transfer reactions between thianthrene and N-methylphenothiazine radical cations and their respective neutral parent molecules have been reported for the first time.

哌啶氧銨鹽氧化芳香胺和含氮国产乱子仑片视频免费观看、硫芳雜環(huán)為相應(yīng)的自由基正離子国产亚洲精品777777，首次報(bào)道了噻蒽及甲基吩噻嗪自由基正離子與其中性母體之間電子轉(zhuǎn)移的同位素效應(yīng)。

In the first part, thirty one new compounds, ferrocenyl aroyl hydrazones,norbornenyl aroyl hydrazones and aryl norbornoyl hydrazones, and forty threecomplexes have been synthesized, and characterized by means of IR,〓,TGA, UV-Vis spectra and molar conductance.

第一部分：共合成了含二茂鐵基的芳酰腙成年人在线免费网站、降冰片烯基酰腙等三十一個(gè)未見報(bào)道的酰腙類化合物欧美性爱影音先锋俄罗斯，用其中部分酰腙與過渡金屬鹽和稀土金屬鹽反應(yīng)合成了四十余個(gè)配合物。

The principal component of water-soluble acids is the saturated aliphatic diacids of C〓 to C〓 and the saturated aliphatic monoacids of C〓 to C〓; and the water-insoluble acids are organic macromolecular compounds containing a large amount of carbonyl, carboxyl structures and aromatic group.

水溶酸的成分以C〓~C〓的飽和二元脂肪酸和C〓~C〓的飽和一元脂肪酸為主又色又污的免费视频网站；水不溶酸是含有大量羰基欧美亚洲色一区二区、羧基結(jié)構(gòu)和芳環(huán)的有機(jī)大分子化合物，其結(jié)構(gòu)非常接近腐植酸欧美簧片。

These complexes showed modest catalytic activity, and the PDIs of the polymers obtained were relatively broad.6. Reaction of CpjLn with MBMPHa in THF in 1 :1 molar ratio, isopropanol was added to the system in 1 equiv., after workup, a new kind of neutral lanthanide complexes [LnCw-OiPrXTHF2]2 Ln = La (14, Nd (15),Yb (16) were gained.

配合物cp3Ln與MBMPH：按卜1的摩爾比在THF中反應(yīng)1小時(shí)来个毛片免费网站，然后再原位按卜1的摩爾比加入異丙醇，合成了中性的橋聯(lián)雙芳氧基稀土烷氧基配合物 [L城獷0性爱视频在线欧美，P以THF2]2Ln=La(14亚久久二区污，Nd(15)，Yb(16)亚洲av高清在线观看一区二区，產(chǎn)物經(jīng)紅外光譜操操操操操，元素分析和核磁共振氫譜(配合物14)等表征。