查询词典 benzyl

On the sick child to minimize or avoid intramuscular buttocks toxic irritant strong drugs, in particular the use of benzyl alcohol should not be diluted drugs.

对病儿尽量减少或避免对臀部肌肉注射毒性大、刺激性强的药物，尤其是不应使用苯甲醇稀释的药物。

Thermodynamic results indicated that adsorption of benzyl alcohol onto JX-101 was an enthalpy-driving and physisorption process, and that the existence of NaCl caused more prominent ΔH and ΔS.

热力学研究表明，笨甲醇在JX-101上的吸附为焓推动、物理吸附为主的过程，NaCl的存在使得吸附过程的焓变和熵变均有所增大。

An unusual substitution of 5-fluorouracils by the reaction of lithium salts of 1,3-dialkyl-5-fluorouracil with benzyl bromide is described.

1，3-二烷基-5-氟尿嘧啶的锂盐与苄基溴进行苄基化反应时产生了异常的反应结果。

The prepared pentabromo benzyl bromide may be applied in preparing high efficiency fire retardant.

制备的五溴苄基溴可用于制备五溴苄基丙烯酸酯或烷基醚类聚合物用高效阻燃剂。

In the first part,we studied the nucleophilic addition reactions of aldehyde, amine,Zinc and benzyl bromide in one pot to afford homobenzyl and homoallyl amines in moderate to good yields.

第一部分的工作中，我们研究了Barbier型条件下醛，胺，锌粉，溴试剂一锅法的亲核加成反应。这种反应可以高效的得到高苄基和高烯丙基胺类化合物。

Reaction of L-tyrosine with benzyl bromide in the presence of copper sulfate led to the protection of phenol group on the side chain of L-tyrosine to give H-Tyr-OH in 45% yield via a copper complex intermediate.

酪氨酸与溴化苄在硫酸铜存在下反应，选择性地在其侧链酚羟基上引入苄基保护基，通过反应条件的优化，反应产率达到45%。

In this thesis, a novel polymerizable cation amphiphilic compound, 4-2-(acryloyloxy ethoxy benzyl tri-ethyl ammonium bromide, was synthesized.

本论文合成了一种新型可聚合两亲化合物4-2-(丙烯酰氧基乙氧基苯亚甲基三乙基溴化铵。

A new complex, [(C6H6N2O)2Co(H2O)2] Br2 was prepared from picolinamide, Co(NO3)2 and benzyl bromide, and characterized by X-ray diffraction.

用皮考林酰胺、六水合硝酸钴和苄基溴反应制得一种新配合物[(C6H6N2O)2Co(H2O)2]Br2，通过红外光谱、元素分析及X射线晶体衍射对化合物进行了表征。

QN 〓PHAL,〓PHAL and 〓PHAL were quaternized by refluxing with benzyl bromide to give ligands 8, 9 and 10 respectively. 2. The chiral ligands were applied to the AD reaction of olefins with NMO as co-oxidant and PEG (400 MW) or PF〓 as reaction media.

以奎宁和奎尼定为原料分别与1，4-二氯-2，3-二氮杂萘反应制备〓PHAL和〓PHAL，然后通过〓PHAL、〓PHAL及〓PHAL与苄基溴的季铵化反应制备单季铵盐手性配体8、9和10。

A novel polymerizable amphiphilic compound with self-assembly ability, 4-2-(acryloyloxy ethoxy benzyl tri-ethyl ammonium bromide, was designed and synthesized. It exhibits good water solubility, strong self-association ability and response to extra-stimulation.

设计并合成了一种新型具有自组装功能的可聚合两亲化合物4-2-(丙烯酰氧基乙氧基苯亚甲基三乙基溴化铵，它易溶于水，具有很强的自缔合能力和对外界刺激的响应性。

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。