A mild and convenient method for the synthesis of 4(3)-substituted 3(4)-nitro-1H-pyrroles and 3-substituted 4-methyl-2-tosyl-1H-pyrroles from nitroolefins and tosylmethyl isocyanide in ionic liquid 1-butyl-3- methylimidazolium bromide was developed.

本文以離子液體－溴化1-丁基-3-甲基咪唑為溶劑亚洲黄色免费观看，采用對甲苯磺趺夥言谙呖椿粕基甲基異腈與硝基烯反應(yīng)生成4(3)-取代-3(4)-硝基-1-氫吡咯或3-取代-4-甲基-2-對甲苯磺跬媾俑臼悠翟谙卟シ牛基-1-氫吡咯天堂AV毛片在线看。

The result fights allergic experiment to show, dispel the wind stops land of can different level restrains urticant Ding allergy of akin and passive skin mixes the bandicoot that antiserum causes 2, the sex of small rat late hair of chloric benzene be caused by exceeds 2 nitro- of 4- quick the thymus index that reaction; still can increase small rat when dosage greatly and lienal index; stop urticant experiment shows, dispel the wind stops urticant Ding can reduce the time of fit of small rat itching with dextrose lead anhydride and itching duration apparently, can increase Guinea pig to be able to bear or endure those who suffer phosphoric acid histamine send urticant threshold.

結(jié)果抗過敏試驗顯示72式免费A片视频，祛風止癢酊能不同程度地抑制抗血清誘發(fā)的大鼠同種被動皮膚過敏和2国产a片久久精品，4-二硝基氯苯所致的小鼠遲發(fā)性超敏反應(yīng)；大劑量時還可增加小鼠的胸腺指數(shù)及脾指數(shù)欧美人与禽ZOZOXXXX另类；止癢試驗顯示浓毛妓女中国HD，祛風止癢酊能明顯降低右旋糖酐誘導(dǎo)的小鼠搔癢發(fā)作次數(shù)及搔癢持續(xù)時間国产成人精品一区二区不卡，并能增加豚鼠耐受磷酸組胺的致癢閾。

Resting [Ca(2+)] and [Ca(2+)] transients evoked by large depolarizations exhibited similar properties in control fibres and in fibres loaded with tenth millimolar levels of the NOs inhibitor N-nitro-L-arginine.

對照組肌纖維與含有1/10毫克分子濃度的一氧化氮合酶抑制劑N-硝基-左旋精氨酸的肌纖維內(nèi)国产精品一级艳片无码，靜息鈣離子濃度及由大去極化誘發(fā)的鈣離子濃度瞬變表現(xiàn)出了類似的性質(zhì)欧美性爱视频亚州。

Resting [Ca(2+)] and [Ca(2+)] transients eoked by large depolarizations exhibited similar properties in control fibres and in fibres loaded with tenth millimolar leels of the NOs inhibitor N-nitro-L-arginine.

對照組肌纖維與含有1/10毫克分子濃度的一氧化氮合酶抑制劑N-硝基-左旋精氨酸的肌纖維內(nèi)，靜息鈣離子濃度及由大去極化誘發(fā)的鈣離子濃度瞬變表現(xiàn)出了類似的性質(zhì)学生妹网址。

METHODS: Thirty male SD rats were randomly divided into control group, stress group and NG-nitro-L-arginine methyl ester group. The rat model of water immersion-restraint stress was established. The expression of nNOS in colonic submucous plexus and myenteric plexus in the rats was examined by immuno-histochemical staining and analyzed by computer image analysis system.

SD大鼠30只隨機分為對照組www精品，應(yīng)激組和L-NAME組，采用水浸-束縛應(yīng)激動物模型曰本美女毛片一区二区三区，用免疫組織化學ABC法檢測nNOS在大鼠結(jié)腸黏膜下神經(jīng)叢和肌間神經(jīng)叢的表達男女免费视频一区二区三区，應(yīng)用計算機圖像分析系統(tǒng)對其表達進行定量分析。

The bonds of nitrogen-nitro mainly affect the sensitive of blast and the stability of Nitrogen heterocyclic nitramine.

另外對DNDC和NPI這兩個同屬于六元環(huán)的氮雜硝胺類的炸藥分子進行計算研究国产毛多水多女人A片。

Chemical industry is another traditional industry of the county. After 30 years' development, the county's organic chemical industry production has changed from single nitrophenol products to fine chemical series products with nitro-chlorobenzene as the basic raw material. Till 2008, the county has 17 large-scaled chemical enterprises, with the total production value of 867,000,000 yuan , which is 22.4% increased than the last year.

化工行業(yè)是我縣工業(yè)的又一傳統(tǒng)產(chǎn)業(yè)久久丝袜美腿国产精品，通過30多年的發(fā)展，我縣有機化工產(chǎn)業(yè)由單一的硝基苯酚產(chǎn)品逐漸形成以硝基氯苯為基礎(chǔ)原料的精細化工系列產(chǎn)品8x8cmo永久免费视频。2008年全縣共有規(guī)模以上化工企業(yè)17家欧美天天摸天天添人人喊，實現(xiàn)工業(yè)總產(chǎn)值8.67億元，同比增長22.4%久久久久精品无码。

In this paper the sulpho nitro oxy carburizing and the hydrogen removing technology of round broach, the structure of diffusion layer and the relation between the depth, properties, the hydrogen content of diffusion layer and the service life of the broach are studied.

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Four new compounds,substituted-benzyloxyindole-3-formaldehyde-(4′-nitro) phenylhydrazone ,were synthesized by the condensation of 4-nitrophenylhydrazine with substituted-benzyloxyindole-3-formaldehyde in ethanol.

以取代芐氧基吲哚-3-甲醛和4-硝基苯肼為原料久久精品视频色，乙醇為溶劑日本XXWWXXWW视频免费，通過縮合脫水反應(yīng)合成了4個新化合物——取代芐氧基吲哚-3-甲醛-(4′-硝基)苯腙，其結(jié)構(gòu)經(jīng)1H NMR欧美成A人片在线观看完整版，IR国产精品综合日本欧美，MS和元素分析表征。

A synthetic method for N-(5-nitro-6-chloro-3-pyridine methyl) phthalimide is studied.

研究了N-（5-硝基－6-氯－3-吡啶甲基）鄰苯二甲酰亞胺的合成方法欧美精品亚洲精品日韩。