Objective To synthesize 10-O-adipic acid-[2'-methoxy-4'-(3"-keto-1"-Butenyl)-Phenoxy-]-dihydroartemisinin conjugate.

目的 合成10-O-己二酸基－［2'-甲氧基4'-（3&-酮－1&-丁烯基）－苯酯］－雙氫青蒿素酯欧美牲交@欧美牲。

Aim To synthesize isoflavone derivatives with α-methy-lene-γ-butyrolactone group and test their inhibition on the adherence of human neutrophils.

目的 設(shè)計(jì)合成帶α-亞甲基－γ-丁內(nèi)酯結(jié)構(gòu)的異黃酮衍生物并檢測(cè)其抑制人白細(xì)胞黏附作用成年人在线免费观看小视频。

NaZSM-5 zeolites were modified by impregnation with metal nitrate and their catalytic properties for gas phase reaction of γ-butyrolactone and ethanolamine to give intermediate N-hydroxylethyl pyrrolidonewere studied.

采用金屬鹽溶液浸漬的方法對(duì)NaZSM-5分子篩進(jìn)行改性肥熟女视频一区二区三区，考察了ZSM-5分子篩對(duì)γ-丁內(nèi)酯與乙醇胺之間氣相反應(yīng)合成N-羥乙基吡咯烷酮的催化性能一级黄色真人裸体视频。

Aroma components of Hexylalcohol,Benzeneethanol,Butylalcohol,Pentylalcohol, ethyl acetate, Lactic acid ethylester, Butanedioic acid,diethylester, isopentylacohol acetate, acetic acid hexylester, acetic acid phenethylester, hexanoic acid ethylester, ethyl caprylate, decanoic acid ethylester, octanoic acid, linalool andα-terpineol were identified in former kiwi wine reports.

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In developing animals, and in certain brain areas of adult rats without cerebral injury, neurotoxic effects were noted after large-dose ketamine. These were prevented by coadministration of GABA receptor agonists.

在生長(zhǎng)期動(dòng)物以及腦部特定區(qū)域沒有損傷的成年大鼠小蝌蚪国产，大劑量氯胺酮才引起神經(jīng)毒性思思99热，這可以被聯(lián)合應(yīng)用γ-氨基丁酸受體激動(dòng)劑預(yù)防。

The present study was engaged in the effect of fermentation and storage temperature on the formation of diacetyl during beer brewing.

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Diacetyl was responsible for a buttery flavor in beer. The threshold concentration was lower than 0.15 mg/L.

丁二酮 為影響啤酒熟成風(fēng)味的主要成份，其風(fēng)味辨別閥值為0.15 mg/L2020亚洲一级兔费A片。

A series of polyether based polyurethaneurea aqueous dispersions with well-defined hard segments were prepared by fractional steps with polyether polyol, 4,4'-diphenylmethane diisocyanate, dimethylolpropionic acid, 1,4-butanediol, isophorone diisocyanate and ethylenediamine.

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A series of polyether based polyurethaneurea aqueous dispersions with well-defined hard segment s were prepared by fractional steps with polyether polyol, 4,4′-diphenylmethane diisocyanate,dimethylolpropionic acid,1,4-butanediol,isophorone diisocyanate and ethylenediamine.

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Reaction of ketones with sodium diselenide and sodium hydrogen selenide under the catalysis of n-BuNH2 gave a moderate yield of diselenides in a "one-pot" fashion.

在正丁胺的催化下色天堂网，酮與硒氫化鈉、二硒化鈉乙醇溶液通過&一鍋&法反應(yīng)得到了中等產(chǎn)率的二硒醚日本欧美一级看。