查询词典 benzyl

The method of catalytic synthesis of benzyl cinnamate with hexadecyl trimethyl ammonium chloride as phase transfer catalyst is studied.

以十六烷基三甲基氯化铵为相转移催化剂催化合成肉桂酸苄酯，考察了催化剂、温度、时间和物料配比等因素对反应的影响。

Benzyl cinnamate ; phase transfer catalyst ; synthesis

肉桂酸苄酯；相转移催化剂；合成

This graft copoly-met,after being dried,could not be dissolved in most solvents including benzyl alcohol and m -cresol at room temperature,except the very polar ones,such as 98％ formic acid.

这种接枝共聚物一旦析出并干燥以后，在常温下不溶于包括苯甲醇、间甲苯酚在内的大多数溶剂，但却易溶于极性较强的溶剂如98％的甲酸。

A new type of difunctional initiator (benzyl dibromide, ethyl dibromoacetate) was proposed in this paper and used to synthesize poly based triblock copolymers such as PSt-PBA-PSt, PMMA-PBA-PMMA.

本论文提出一种新型ATRP双官能团引发剂(如α，α-二溴化苄、α，α-二溴乙酸乙酯)，并用聚合反应速度法、GPC法、核磁分析法进行双官能度的验证，并通过两步聚合合成以聚丙烯酸酯为中间嵌段、苯乙烯或甲基丙烯酸甲酯为两端嵌段的ABA型三嵌段共聚物。

CAPRYLIC/CAPRIC, TRIGLYCERIDE*, VITIS VINIFERA SEED OIL, SIMMONDSIA CHINENSIS SEED OIL*, SESAMUM INDICUM SEED OIL*, PARFUM, CYMBOPOGON MARTINI OIL*, HELIANTHUS ANNUUS SEED OIL, ROSA DAMASCENA FLOWER OIL, ROSMARINUS OFFICINALIS LEAF EXITRACT, BENZYL ALCOHOL, CITRAL, CITRONELIOL, EUGENOL, FARNESOL, GERANIOL, LIMONENE, LINALOOL.

无水稀释，直接以合成酯为基质，加入了各类植物油（葡萄籽、荷荷巴、芝麻、玫瑰草、向日葵籽、玫瑰、迷迭香），具有极其滋润的质地和良好的锁水保湿效果；这款霜应该是为极干皮肤设计的，质地厚重，含有大量的致粉刺成分，混油皮肤一定要避开。

Solubility measurement shows synthesized benzyl alginate was soluble in formamide, glycol, propylene glycol, and water, a...

试验表明，合成的褐藻酸苄酯可溶于甲酰胺，乙二醇、丙二醇和水，在二甲基甲酰胺中可被溶胀。

Approximately 30 compounds have been identified in the aroma of green tea, the major ones being benzyl alcohol, phenylethyl alcohol, a hexenol, linalool, geraniol ''.

约有30种化合物已从绿茶的香气中鉴别出来，其中主要的有苯甲醇、苯乙醇、已烯醇、沉香醇、香茅醇和''。

Approximately 30 compounds have been identified in the aroma of green tea, the major ones being benzyl alcohol, phenylethyl alcohol, a hexenol, linalool, geraniol and methyl ''.

约有30种化合物已从绿茶的香气中鉴别出来，其中主要的有苯甲醇、苯乙醇、已烯醇、沉香醇、香茅醇和甲基水杨酸酯。

Approximately 30 compounds have been identified in the aroma of green tea, the major ones being benzyl alcohol, phenylethyl alcohol, a hexenol, linalool, geraniol and methyl salicylate.

约有30种化合物已从绿茶的香气中鉴别出来，其中主要的有苯甲醇、苯乙醇、已烯醇、沉香醇、香茅醇和甲基水杨酸酯。

The main contents were Alcohol,-2-Hexen-1-ol, 3-t-Butyl-oct-6-en-1-ol, Benzyl Alcohol.25 compounds were identified in Hongbaoshi, representing 62.65% of the total peak area, and 25 kinds were in sole possession for it. The main contents were Alcohol,-2-Hexen-1-ol, 3-t-Butyl-oct-6-en-1-ol, Hexyl acetate.

从砧木为'吉塞拉'的'红宝石'大樱桃果实中共检测出25种香气成分，占总峰面积的62.65%，其中21为其独有，相对含量较高的是乙醇、2-己烯－1-醇、3-异丁基－6-烯－1-辛醇和乙酸己酯。

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。