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苯乙醇酸

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And the characteristics of body their trace components are as follows: Luzhou-flavour liquor has ethyl caproate the main flavour component with its content 160~250mg/100ml (above 40% of total ester); Fen-flavour liquor has ethyl acetate the main body flavour component, above 50% of total ester, and the content of ethyl lactate and ethyl acetate above 90% of total ester; Tte main body flavour component of Maotai-flavour liquor is still uncertain, and it has higher furfural content (260mg/100ml); Sanhua-flavour liquor,β-phenethyl alcohol is a special characteristic for it and the content of ethyl lactate is 73% of total ester; In other flavour liquors,the specific flavouring components vary because of different types.

其微量成分特征为:浓香型白酒以己酸乙酯为主,含量在160~250mg/100ml,占总酯40%以上;清香型白酒以乙酸乙酯为主体香,占总酯的50%以上,乙酸乙酯与乳酸乙酯的含量占总酯90%以上;酱香型白酒的主体香暂无定论,其糠醛含量较高,达260mg/100ml;米香型白酒以β-苯乙醇为特征成分,乳酸乙酯含量占总酯高达73%。其他香型白酒因门类不同,以数种成分为其特征。

They usually contain Salicylic Acid, Glycolic Acid, Benzoyl Peroxide, Chlorhexidine and Tea Tree Oil.

他们通常会含有水杨酸,乙醇酸,过氧化苯甲酰,洗必泰及茶树油。

They usually contain Salicylic Acid, Glycolic Acid, Benzoyl Peroxide, Chlorhexidine and Tea Tree Oil.

他们通常含有水杨酸、乙醇酸、过氧化苯甲酰、氯、茶树油。

Acne treatments make use of ingredients like salicylic or glycolic acid and benzoyl peroxide, which if used in excess can cause heavy damage to the skin.

治疗痤疮利用类似水杨酸的成分或乙醇酸和过氧化苯甲酰,如果使用超过照样可以造成严重破坏的皮肤。

Resolution of benzoin,hydrobenzoin and α- phenethyl alcohol with-phenylglycine based chiral stationary phase(Chirex 3001)in the normal-phase conditions were studied.

正相模式下研究了安息香、氢化安息香及α-苯乙醇在苯基甘氨酸型手性固定相Ch irex 3001上的拆分,探讨了流动相组成及柱温对手性拆分效果的影响。

METHODS:Ulcerative colitis rat model was developed by intrarectal administration of 2,4,6-trinitrobenzenesulfonic acid in alcohol.

以2,4,6-三硝基苯磺酸的乙醇溶液灌肠,制作溃疡性结肠炎大鼠模型。

UC in model group and treatment group was induced by intrarectal administration of TNBS (100 mg/kg in 50% ethanol).

模型组、治疗组大鼠用三硝基苯磺酸/乙醇溶液灌肠复制UC模型。

We have investigated on the chemical constituents of Nepeta partite collected from Gansu Zhuanglang, and twenty eight compounds were isolated from the methanol extraction of this species by chromatography techniques. Twenty five compounds were identified by means of chemical and spectra methods IR, FABMS, EI-MS,〓, DEPT, and 2D NMR), among which four compounds were new as isopimar-15-en-3β, 8β, 20-triol; phenylethanal-3-O-(2'-glycerin)-5-O-β-D-glucopyranoside; 3-O-linolenoylglyceryl-6'-O-(α-D-galactopyranosyl)-β-D-galactopyranoside; ethyl rosemarinate.

我们对采自甘肃庄浪的康藏荆芥进行了化学成分的研究,利用层析手段从该植物的甲醇浸膏中分离出二十八个化合物,经化学方法和波谱技术(红外,质谱,一维和二维核磁共振谱)鉴定了二十五个化合物的结构,其中四个为新的化合物,它们分别是:异海松-15-烯-3β,8β,20-三醇;苯乙醇-3-O-(2'-甘油基)-5-O-β-D-吡喃葡萄糖甙;3-O-亚麻酰基甘油-6'-0--β-D-吡喃半乳糖甙;迷迭香酸乙酯。

The paper introduced three processes to prepare isochroman from β-phenethyl alcohol and polyformaldehyde:HCl catalysis,AlCl_3 catalysis and toluene-p-sulfonic acid catalysis,and discussed its reaction mechanism,using toluene-p-sulfonic acid catalysis method to prepare isochroman ,the yield is 46%,purity is 96%.

用β-苯乙醇和多聚甲醛为原料,进行了HC l催化法,三氯化铝催化法和对甲苯磺酸催化法的合成路线的实验,并对其反应机理进行了探讨,应用对甲苯磺酸催化法合成异色满的合成路线,得率46%,纯度96%。

The volatile flavor compounds of Nanx wudl at the start stage of fermentation mainly were hydrocarbon compounds and aldehydes, ketones from lipids oxidation, After 180 days, ethyl hexanoate, ethyl acetate, phenethyl alcohol, acetic acid and ethyl octanoate were predominant.

发酵180d后,主要风味组分是己酸乙脂、苯乙醇、乙酸乙脂、乙酸和辛酸乙脂。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

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