查询词典 methyl group

The general formula of said soluble fluorine- containing aromatic medlin is as follows: the substituent group on side phenyl group in diamine monomer Ar includes methyl, trifluoromethyl, two trifluoromethyls or chlorine and trifluoromethyl.

可溶性含氟芳香聚酰亚胺具有如下通式：二胺单体Ar中苯侧基上取代基为甲基、三氟甲基、两个三氟甲基或者氯和三氟甲基。

Methylcarbonate is an important organic industrial intermediate. Because its molecular structure contains carbonyl, methyl, methoxyl group and carbonyl methoxyl group, etc., it can be used in carbonylate, methylate, methoxylate organic synthetic reaction.

碳酸二甲酯是一种重要的有机化工中间体，由于其分子结构中含有羰基、甲基、甲氧基和羰基甲氧基，因而可广泛用于羰基化、甲基化、甲氧基化和羰基甲基化等有机合成反应。

Group B was injected 20u oxytocin muscularly after baby delivery,and group A was given 1mg methyl carprost suppository by sublingual administration after cesarean section.

前者在胎儿娩出后舌下含化卡孕栓1mg；后者仅于娩出胎儿后立即宫体注射缩宫素20u，比较两组术中及术后24h内出血量。

All rats were randomly divided into tetra methyl pyrazine injection, Shexiang baoxin pills model group and sham operation group.

结果：模型组、麝香保心丸组及川芎嗪组大鼠MI边缘区MVC和MVD较假手术组明显增多（P〈0.05）；川芎嗪组大鼠缺血心肌MVC和MVD较模刑组明显增加（P〈0.05）。

Methods OECs were cultured in the olfactory bulb of newborn wistar rat. OECs suspension was infused into the lateral cerebral ventriculus of AE rats, intraperitoneal methyl-vitamine B12 associated with above OECs suspension in combined transpiantion group, and the saline with the same quantity was infused in pseudo-operation group. Afterwards, sport-function grade, histo pathological change were observed.

用新生wistar大鼠嗅球培养OEC，移植组将OECs悬液注入实验性变态反应性脑脊髓炎大鼠的侧脑室；联合移植组在侧脑室注入OECs的基础上，腹腔注入甲基维生素B12；假手术组按以上方法注入等量生理盐水；观察两组大鼠运动功能评分、组织病理学变化。

The alkoxyl group at 2-position is affected by the steric repulsion due to the two methyl groups at 1, 3-position, which causes the oxygen atom of alkoxyl group to deviate from the aromatic ring plane, hence, the conjugation effect of the oxygen atom with aromatic ring decreases

对于IV〓、IV〓，其1，3-位两个甲基对2-位烷氧基产生空间排斥作用，使2-烷氧基氧原子偏离芳环平面，烷氧基对芳环的助色作用受到削弱。

Methods To irradiate the human epiderm keratinocytes with an identical dose of UVA,which is primary cultured and is occupying exponential growth phase.The matter interface is cystosepiment,tin foil and ice.The non- irradiation group is the control group.To detect the cells degree of injury through the improved methyl thiazolyl tetrazolium assay.

选取原代培养的处于指数生长期的角质形成细胞，分别采用泡沫板、锡纸板、冰面作为载物界面，进行相同剂量的UVA照射，同时设未照射组为对照组，通过改良MTT法检测细胞损伤程度。

Methods BGC823 cells were co-cultured with the wild type H.pylori and the isogenous mutant, which were called the wild tue strain group and the mutant stain group,respectively. The cell phenotype was observed at 6,12,24 and 48h and the cellular proliferation was examined by methyl thiazolyl tetrazolium method.The induction of apoptosis was determined by flow cytometry.

将幽门螺杆菌野生株与cagA基因缺失突变株与BGC823细胞共培养，分别在6，12，24和48h观察细胞形态学变化，采用四甲基偶氮噻唑蓝比色法检测细胞增殖活性，流式细胞仪检测细胞凋亡情况。

Methods BGC823 cells were co-cultured with the wild type H.pylori and the isogenous mutant,which were called the wild tue strain group and the mutant stain group,respectively.The cell phenotype was observed at 6,12,24 and 48h and the cellular proliferation was examined by methyl thiazolyl tetrazolium method.The induction of apoptosis was determined by flow cytometry.

将幽门螺杆菌野生株和cagA基因缺失突变株和BGC823细胞共培养，分别在6，12，24和48h观察细胞形态学变化，采用四甲基偶氮噻唑蓝比色法检测细胞增殖活性，流式细胞仪检测细胞凋亡情况。

Monoazo dyes with the carboxy-methyl-sul-fonyl group in diazo component and the anthraquinone derivatives of the same group have been synthesized.

利用应用时的高温，它转变为不溶性的分散染料。因此，在成品加工时不必进行砂磨，不需要扩散剂。

Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在，所有的孩子都要在综合学校继续学习，所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。