We examined the association between intakes of the heterocyclic amines 2-amino-3,8-dimethylimidazo[4,5,-f]quinoxaline, 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine,2-amino-3,4,8-trimethylimidazo[4,5,-f] quinoxaline, and meat-deried mutagenicity and risk of distal colon adenoma using a cooking method questionnaire administered in 1996 in the Health Professionals Follow-up Study cohort.

我們衛(wèi)生保健跟蹤調(diào)查組采取烹調(diào)方法調(diào)查表的形式在1996年調(diào)查了攝入雜環(huán)胺2－氨基－3大波美女视频一级A片，8丙烷[491自拍视频国产，5rihanhuangsewangzhan，-f] 喹噁啉国产精品视频网站免，2－氨基－1甲基1－6－苯基亞氨基[4亚洲免费视频二，5-b] 吡啶国产精品社长性爱网，2－氨基3，4色网站性感污，8－trimethylimidazo[4性色欲情免费网站，5，-f] 喹噁啉和肉類(lèi)衍生致突變物與患末端結(jié)腸腺瘤危險(xiǎn)性的關(guān)系玖玖视频久久。

We examined the association between intakes of the heterocyclic amines 2-amino-3,8-dimethylimidazo[4,5,-f]quinoxaline, 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine,2-amino-3,4,8-trimethylimidazo[4,5,-f] quinoxaline, and meat-derived mutagenicity and risk of distal colon adenoma using a cooking method questionnaire administered in 1996 in the Health Professionals Follow-up Study cohort.

我們衛(wèi)生保健跟蹤調(diào)查組采取烹調(diào)方法調(diào)查表的形式在1996年調(diào)查了攝入雜環(huán)胺2－氨基－3欧美激情一级黄片搜索，8丙烷[4，5，-f] 喹噁啉久久久久久久久毛片，2－氨基－1甲基1－6－苯基亞氨基[4有亚洲一级黄色视频，5-b] 吡啶，2－氨基3毛片无码高潮喷白浆视频，4亚洲熟女精品一区二区三区，8－trimethylimidazo[4，5亚洲中文字幕第一页精品，-f] 喹噁啉和肉類(lèi)衍生致突變物與患末端結(jié)腸腺瘤危險(xiǎn)性的關(guān)系樱桃视频ios下载。

On basis of the color reactions of 4-(2-pyridine azo)-resorcin with copper, zinc and manganese, but the absorption spectrum of complex compounds which they created overlapped with each other seriously. Dealing with the spectrum data with the method of multivariate calibrations of chemometrics, we can simultaneously analyze the measured spectrum of mixture.

基于這三種金屬離子均能和4-（2-吡啶偶氮）－間苯二酚發(fā)生顯色反應(yīng)，但所生成絡(luò)合物的吸收光譜重疊比較嚴(yán)重超彭免费，采用化學(xué)計(jì)量學(xué)的多元校正方法国产美女高潮流白浆视频18，解析了Cu(上標(biāo) 2+)、Zn(上標(biāo) 2+)欧美日韩国产风俗、Mn(上標(biāo) 2+)混合物的測(cè)量光譜。

This dissertation is dedicated to investigate the pyrolysis of the fuel-bonded nitrogen model compounds,including five-membered ring nitrogen model compound pyrrole and the substituted six-membered ring nitrogen compound 4-methyl pyridine,with vacuum ultraviolet single-photon ionization combined with molecular beam mass spectrometry technique.

本論文利用同步輻射真空紫外單光子電離乱伦小说网尤物视频亚洲、分子束取樣和反射式飛行時(shí)間質(zhì)譜相結(jié)合的技術(shù)研究了含氮雜環(huán)模型化合物的熱解国产一区清纯美女在线观看，包括五元環(huán)含氮體系、六元環(huán)含氮體系和替代的六元環(huán)含氮體系(4-甲基吡啶)摸女生下体高潮喷水视频。

PP–Ag NPs were obtained in water by reacting silver nitrate with sodium borohydride in the presence of 4-(prop-2-ynyloxy)pyridine solution at room temperature for 2 h.

PP－Ag NPs是在存在4（丙炔-2-基氧基苯基）吡啶溶液的情況下欧美不卡一区二区三区手机，通過(guò)硝酸銀與硼氫化鈉在室溫下反應(yīng)2h而在水中得到的。

The hemisuccination process and reaction kinetics of stigmasterol with succinic anhydride using toluene as a solvent,pyridine as a catalyst were studied.

研究了甲苯為溶劑一级a作爰片A级毛片，吡啶為催化劑全国在线无码精品，豆甾醇與琥珀酸酐的酯化反應(yīng)工藝和反應(yīng)動(dòng)力學(xué)。

On the one hand, one benzen ring of stilbene was substituted by one pyridine ring for the purpose of evaluating the bioactivities of azastilbenes. On the other hand, some stilbene derivatives with different substituents in different sites were designed for the study of SAR.

一无码欧XXXX在线观看，以吡啶環(huán)替代母核的一個(gè)苯環(huán)bbixx.com，考察分子中引入氮原子對(duì)活性的影響；二日韩欧美A片一级久久72，改變母核上的取代基類(lèi)型及取代位點(diǎn)国产色视频一区，考察取代基在構(gòu)效關(guān)系中的影響規(guī)律。

Sulfa drug derived from pyridine and sulfanilamide.

從嘧啶和磺胺藥物中提取的磺胺類(lèi)藥物黄页视屏在线看。

Its molecular structure includes a substitute d pyridine ring and a thiazole ring.

其分子結(jié)構(gòu)包括一個(gè)置換的啶環(huán)和一個(gè)唑環(huán)日韩欧美中文精品第一页。

Its molecular structure includes a substituted pyridine ring and a thiazole ring.

其分子結(jié)構(gòu)包括一個(gè)置換的啶環(huán)和一個(gè)唑環(huán)。