查询词典 benzyl

The flotation behavior and mechanism of benzyl malonic acid collector with combination use of hydroximic acid were studied by single mineral tests. The results showed that the recovery of minerals increased by combined use of benzyl malonic acid and hydroximic acid.

通过单矿物试验研究了苄基丙二酸与羟肟酸类捕收剂组合使用时对赤铁矿和菱锌矿的捕收性能，结果表明：苄基丙二酸与羟肟酸组合使用能明显提高矿物的回收率，提高浮选效率。

This thiosemicarbazide was treated under the catalysis of glacier acetic acid,mercuric acetate giving 2 benzyl 5 phenylamino 1,3,4 thiodiazole and 2 benzyl 5 phenylamino 1,3,4 oxadiazole respectively.

然后分别将其在冰醋酸、醋酸汞存在下关环，制得 2 苯甲基 5 苯胺基 1，3 ，4 噻二唑与 2 苯甲基 5 苯胺基 1，3 ，4 口恶二唑

In this study, we investigate the effect of benzyl isothiocyanate and phenethyl isothiocyanate on human prostate cancer DU-145 cells, the results demonstrate that benzyl isothiocyanate and phenethyl isothiocyanate induced cause G2 / M phase arrest and apoptosis. These effects are in a dose- and time-dependent manners.

但是苯甲基异硫氰酸酯和苯乙基异硫氰酸酯造成人类前列腺癌细胞株DU-145的凋亡机转则尚未有较详细的报导，所以本研究即是探讨苯甲基异硫氰酸酯和苯乙基异硫氰酸酯造成人类前列腺癌细胞株DU-145的相关凋亡机转。

Besides, benzyl isothiocyanate and phenethyl isothiocyanate increased caspase-3 activity. Therefore, benzyl isothiocyanate and phenethyl isothiocyanate induce apoptosis in human prostate cancer DU-145 cells.

由此可知，苯甲基异硫氰酸酯和苯乙基异硫氰酸酯会造成人类前列腺癌细胞株DU-145走向凋亡的命运，值得更进一步研究发展为抗癌药物。

Tetra-O-benzyl-D-glucose reacted with bromine to give glucosylbromide. It reacted with hydroxyl phenyl acetonitrile or hydroxyl benzaldehyde to give substituted ph- enylacetonitrile or substituted benzaldehyde.11 New stilbenes were synthesized possessing 2,3,4,6-tetra-O-benzyl-D-glucoside by condensation reaction with pheny lacetonitrile or benzaldehyde, which had potential biological activity and would be sieved in the future.

由2，3，4，6-四芐氧基葡萄糖作为中间体，首先制备出的溴代糖和含有羟基的苯甲醛和苯乙反应制备出含有糖的取代苯甲醛和取代苯乙，再和简单的苯乙或苯甲醛缩合反应生成11种具有潜在的生物活性且含有2，3，4，6-四芐氧基葡萄糖的类化合物，这些新化合物有待于进一步进行药理活性筛选。

Benzyl phenylacetate was synthesized by benzyl chloride with the salt prepared by phenylacetic acid and Na2CO3 under microwave irradiation and in presence of phase transfer catalyst without any organic solvent and inorganic carrier.

采用微波辐射相转移催化技术，以四丁基溴化铵为相转移催化剂，先将苯乙酸与碳酸钠成盐，在无有机溶剂和无机载体的条件下与氯化苄直接酯化合成苯乙酸苄酯。

Benzyl acetate was synthesized from acetic acid and benzyl alcohol as raw materials with phosphotungstic acid as catalyst.

介绍了以冰乙酸和苯甲醇为原料，采用磷钨酸作催化剂合成乙酸苄酯的方法，考察了反应物醇酸摩尔比、催化剂用量、带水剂用量、反应时间、带水剂品种、催化剂重复使用对酯化率的影响。

By using sodium hydrogen sulfate as the catalyst,benzyl alcohol and propionic acid reacted to form benzyl propionate .

以苯甲醇、丙酸为原料，硫酸氢钠为催化剂，合成了丙酸苄酯。

Photolysis of paramethyl benzyl manganese pentacarbonyl5Mn-p-CH2C6H4CH3 (4a)and paramethoxy benzyl manganese pentacarbonyl5Mn-p-CH2C6H4OCH3(4b) with 1-2 equivalents of R3SiH in C6H6 or C6D6 at 5℃ yields the silyl manganese pentacarbonyls5MnSiR3 [SiR3 = SiMe2Ph (1b), SiMePh2 (1c), SiPh3 (1d), SiHPh2 (1e), SiEt3 (1f), SiMe2tBu(1g), and SiMe2Et (1h) ] in moderate to high yields after chromatographic purification.

对甲基卞基五羰基锰5Mn-p-CH2C6H4CH3（4a）或对甲氧基五羰基锰5Mn-p-CH2C6H4OCH3（4b）与1-2当量R3SiH的C6H6 或C6D6溶液在5oC光解，经色谱纯化后得到中等或高收率硅烷基五羰基锰5MnSiR3［SiR3 = SiMe2Ph（1b），SiMePh2（1c），SiPh3（1d），SiHPh2（1e），SiEt3（1f），SiMe2tBu（1g），和SiMe2Et（1h）］。

Because benzyl alcohol is a common reagent and veratryl alcohol is a special and expensive one, it is very economic to replace veratryl with benzyl alcohol.

鉴于苯甲醇是常用的试剂，用它代替昂贵的藜芦醇在经济上有巨大的效益。

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。