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The selective response of Holotrichia oblita to different plant volatiles (1) By steam distillation and dichloromethane, in the Y-tube olfactometer bioassay, the crude extract from castor-oil plant leaves was obviously attractive to female and male of Holotrichia oblita than cotton, Abutilon theophrasti Medic, control dichloromethane.

该结果表明,蓖麻叶片粗提物中含有引诱华北大黑鳃金龟的化学物质。(2)华北大黑鳃金龟成虫对8种化合物的嗅觉仪行为反应结果表明,无论对雌虫还是雄虫,肉桂醛、邻苯二甲酸二丁酯、苯酚、香草醛、苯甲醛的诱虫活性显著高于顺-3-己烯醇。

Butyl cinnamate was synthesized from cinnamic acid and butyl alcohol using tungstosilicic acid as catalyst.

以钨硅杂多酸为催化剂,通过肉桂酸和正丁醇反应合成肉桂酸正丁酯。

Iso-butyl cinnamate was synthesized by the esterifiestion of iso-butanol with cinnamic acid with the presence of potassium bisulfate monohydrate.

应用硫酸氢钾催化肉桂酸与异丁醇的酯化反应,合成了肉桂酸异丁酯。

Methods: The effects of the ratio of reactants, the amount of the catalyst used, the reaction time and the amount of an water-taking agent on synthesizing isoamyl cinnamate were investigated to obtain a suitable condition for synthesizing the ester.

考察了醇酸比、反应时间、带水剂用量等因素对合成肉桂酸异戊酯的影响,得到合成该酯的较适宜条件。结果:最佳反应条件为n:n=5:1,催化剂用量为肉桂酸用量的20%,反应时间2h,反应温度110~118℃,酯收率可达76.6%。

A rapid capillary electrophoresismethod has been developed for the determination of eleven bioactive flavonoids in bee propolis:acacetin,apigenin,cinnamic acid,galangin,ferulic acid,hesperidin,luteolin,naringenin,quercetin,resveratrol,and rutin.

使用毛细管电泳法检测蜂胶中11种黄酮类化合物:金合欢素、芹菜配基、兰肉桂酸、黄良姜精、阿魏酸、橙皮甙、毛地黄黄酮、柑桔黄素、槲皮素、白藜芦醇、芦丁。

Ultrasound, Expansive Graphite, Cinnamic Acid, Ethyl Alkylidene a- Cyanoacetate, Montmorillonite, Pinacol

超声波,膨胀石墨,肉桂酸,烷叉基氰乙酸乙酯,蒙脱土,片呐醇

The main products of resveratrol, green tea extract Objects, Mangosteen, Magnolia, Guarana, Tongkat Ali, Rhodiola, blueberries, puerarin, stevioside, Echinacea purpurea, cinnamon, Ganoderma lucidum, citrus aurantium, grape seed extract and other production processes and quality standards in the industry advanced level.

主导产品白藜芦醇,绿茶提取物,罗汉果,厚朴,Guarana,东革阿里,红景天,越橘,葛根,甜菊糖,紫锥菊,肉桂,灵芝,枳实,葡萄籽提取物等生产工艺与品质水平处于行业先进水平。

The yield is above 92.7% under the optimum conditions. It showed that titanium sulphate doped lanthanum oxide has higher catalytic activity in the synthesis reaction of cinnamaldehyde glycol acetal and the catalyst can be used repeatedly.

证明搀杂了氧化镧的硫酸钛对肉桂醛缩乙二醇的合成反应具有较高的催化活性,并且催化剂可以重复使用。

Objective: To use p-toluene sulfonic acid as the catalyst for the esterification reaction of cinnamic acid with isoamyl alcohol in liquid phase.

目的:以对甲苯磺酸为催化剂对肉桂酸与异戊醇的液相酯化反应进行研究。

Mouthfeel is fruity Gan Chun, contain fragrant fruit sweet, still give the sweet smell of Taffy of cinnamonic, butter and licorice fully.

口感圆润甘醇,带有馥郁的果香,还透出肉桂、奶油太妃糖和甘草的香味。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

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