It's found that the aromatic dinitro compounds can be monoreduced to nitroanilines in high selectivity, aromatic nitro compound s and muti.

本文旨在探索一種具有先進(jìn)性和創(chuàng)造性的催化方法久久精品国产91，利用一氧化碳在溫和的條件下高選擇性地還原芳香硝基化合物制備芳胺国产破处女出血视频。

Totally 17 new type of fulvene ligands have been synthesized by the reaction of substituted-benzoyl chloride with Cp and substituted Cp anions. All the new compounds are fully characterized by infrared spectroscopy,!

我們利用含芳香取代基的環(huán)戊二烯叢負(fù)離子與含-CN91精品国产人成在线观看、-I91大屁股精选、-CO_2CH_3等配位有機(jī)基團(tuán)的芳酰氯反應(yīng)成功地合成了17個(gè)既含芳香基團(tuán)又含雜原子配位基團(tuán)的剛性共軛富烯類配體特级欧美淫秽视频展播。

Aniline-BP was used as CTC system to initiate the polymerization ofMMA under UV irradiation, PMMA prepolymer with aromatic imino endgroup was prepared.

以苯胺-BP為CTC體系，在紫外光輻射下AAAAAA级特色特黄的毛片，引發(fā)甲基丙烯酸甲酯聚合亚洲国产精品成熟老女人亚洲国产精品，得到了含有芳亞胺端基的聚甲基丙烯酸甲酯預(yù)聚物。

A series of novel aromatic amide molecular tweezers with different chiral centers and cavities were designed and synthesized by using isophthalic acid as the spacer to bridge the different L-amino acid methyl esters under microwave irradiation.

以間苯二甲酸為隔離基黑大粗高潮视频在线观看，酰胺鍵橋聯(lián)L-氨基酸甲酯構(gòu)成手臂欧美ⅩXXA片免费看，在微波輻射下合成了具有不同手性中心和裂穴的新型手性芳酰胺類分子鉗。

In this paper, the effects of increased concentrations of pyrene (0, 0.1, 1 and 10 mg/L) on the photosynthetic pigments, net photosynthetic rate, soluble sugar, soluble protein content ,and water metabolism of mangrove Kandelia candel Druce seedlings were studied in sand culture.

采用砂基栽培wwwjizzcom，研究不同濃度(0婷婷,五月天综合， 0.1， 1亚洲视频乱伦专区， 10mg/L)多環(huán)芳烴芘人人干人人操内射，對(duì)紅樹植物秋茄幼苗光合色素含量、光合速率欧美一区二区三四在线观看、可溶性糖和可溶性蛋白含量以及水分代謝的影響谢精视频。

The chemical analysis result of modified lignin by alkaline-oxygen treatment is as following:The chemical analysis result of modified lignin by alkaline-oxygen treatment showed that the carboxyl group of modified lignin increased, since muconic acid type structure were generated from phenolic structure by ring-open reaction during alkaline-oxygen treatment.

氧堿處理改性木素的化學(xué)分析結(jié)果見下表；┌────┬────┬─────┬────────────────┬────┐│改性本素│OCH_3│總糖│C_9單元式│COOH │├────┼────┼─────┼────────────────┼────┤│O_4 │8.49 │0.07 │C_9H_(10.45)O_(3.7)(OCH_3)_(053)│10.82 │└────┴────┴─────┴────────────────┴────┘氧堿處理改性木素的化學(xué)分析結(jié)果表明在线欧美精品二区三区，改性木素的羧基含量明顯增加美女裸体在线免费视频一区二区，在氧堿處理的過程中，由于芳環(huán)的開裂欧美专区地址，(來源：ABCe6論6d文網(wǎng)www.abclunwen.com)形成了己二烯二酸結(jié)構(gòu)日本在线观看视频网站，因此改性木素具有較高的反應(yīng)活性，易與Al~(3+)形成絡(luò)合久久AA视频。

To elucidate the effect of p -nonylphenol on cytochrome P450 aromatase （P450arom） gene and Mullerian inhibiting substance gene in fish gonad, exploring the mechanism of its estrogenic action.

研究壬基酚（P—nonylphenol欧美一级a卡片免费观看，NP）對(duì)細(xì)胞色素P450芳香化酶基因（P450arom）和苗勒氏管抑制物基因表達(dá)的影響，探索其對(duì)魚類雌激素樣作用的分子機(jī)制国产综合亚洲一区二区三区播放。

Myristic monoethanolamide ammonium sulfatewas synthesized from myristic acid and monoethanolamide with sulfamic acid as sulfating agent .

在芳烴類溶劑與羰基化合物催化劑存在下中国特黄强奸A片，以肉豆蔻酸和乙醇胺為原料，氨基磺酸作硫酸化劑色狼av窝电影，制備了肉豆蔻酸單乙醇酰胺硫酸酯銨鹽欧美亚洲色图人妻。

Gas chromatograph/mass spectrometer system was used to analyze polycyclic aromatic hydrocarbon (PAHs, including naphthalin, anthracene and fluoranthene) and phthalic acid ester [PAEs, including dimethyl phthalate, diethyl phthalate, diisobutyl phthalate and di(2-ethylhexyl) phthalate] concentration in water samples taken from every treatment units of a large-scale waterworks in a western city whose water source is the upstream of Yangtze river.

以多環(huán)芳烴(包括萘、蒽国产一级毛片喷潮视频、熒蒽三種物質(zhì))和鄰苯二甲酸酯包括鄰苯二甲酸二甲酯(DMP66夜色入口、鄰苯二甲酸二乙酯黑白xxxxx、鄰苯二甲酸二異丁酯、鄰苯二甲酸二(2-乙基己基)酯4種物質(zhì)作為研究對(duì)象国产精品推拿一区二区三，采用GC-MS方法測(cè)定了以長(zhǎng)江為原水的某大型城市給水廠各工藝段水樣中的上述物質(zhì)99国产精品视频。

Some products included methoxy group, naphthyl and heterocyclic aromatic moieties, and some were borne with two 1-propynyl groups. It is more important that compounds bearing halogens were also synthesized via this protocol.

運(yùn)用此法不僅合成出一些含有醚鍵、萘環(huán)AAA黄色网站免费看、雜環(huán)以及含有兩個(gè)1-丙炔基的化合物黄色视频,黄色网站,黄色视频免费观看。，重要的是芳環(huán)上含有鹵原子的化合物也能順利地合成出來。