查询词典 nitro-cotton

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.

本文以离子液体－溴化1-丁基-3-甲基咪唑为溶剂，采用对甲苯磺酰基甲基异腈与硝基烯反应生成4(3)-取代-3(4)-硝基-1-氢吡咯或3-取代-4-甲基-2-对甲苯磺酰基-1-氢吡咯。

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.

结果抗过敏试验显示，祛风止痒酊能不同程度地抑制抗血清诱发的大鼠同种被动皮肤过敏和2，4-二硝基氯苯所致的小鼠迟发性超敏反应；大剂量时还可增加小鼠的胸腺指数及脾指数；止痒试验显示，祛风止痒酊能明显降低右旋糖酐诱导的小鼠搔痒发作次数及搔痒持续时间，并能增加豚鼠耐受磷酸组胺的致痒阈。

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.

对照组肌纤维与含有1/10毫克分子浓度的一氧化氮合酶抑制剂N-硝基-左旋精氨酸的肌纤维内，静息钙离子浓度及由大去极化诱发的钙离子浓度瞬变表现出了类似的性质。

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.

对照组肌纤维与含有1/10毫克分子浓度的一氧化氮合酶抑制剂N-硝基-左旋精氨酸的肌纤维内，静息钙离子浓度及由大去极化诱发的钙离子浓度瞬变表现出了类似的性质。

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只随机分为对照组，应激组和L-NAME组，采用水浸-束缚应激动物模型，用免疫组织化学ABC法检测nNOS在大鼠结肠黏膜下神经丛和肌间神经丛的表达，应用计算机图像分析系统对其表达进行定量分析。

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

另外对DNDC和NPI这两个同属于六元环的氮杂硝胺类的炸药分子进行计算研究。

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.

化工行业是我县工业的又一传统产业，通过30多年的发展，我县有机化工产业由单一的硝基苯酚产品逐渐形成以硝基氯苯为基础原料的精细化工系列产品。2008年全县共有规模以上化工企业17家，实现工业总产值8.67亿元，同比增长22.4%。

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.

研究了连杆圆拉刀的氮碳硫氧共渗与去氢处理工艺，以及渗层组织结构、层深度、能、层含氮量与拉刀寿命的关系。

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.

以取代苄氧基吲哚-3-甲醛和4-硝基苯肼为原料，乙醇为溶剂，通过缩合脱水反应合成了4个新化合物——取代苄氧基吲哚-3-甲醛-(4′-硝基)苯腙，其结构经1H NMR，IR，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）邻苯二甲酰亚胺的合成方法。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。