The effects of loading, calcination temperature and calcination time on the solid base catalyst preparation conditions on the yield of dehydroacetic acid.

Ethyl acetate was synthesized in one step by dehydrogenation of methanol and ethanol over Cu/ Zn/ Al/ Zr catalyst.

在Cu／Zn／Al／Zr催化剂上由甲醇、乙醇脱氢一步合成乙酸甲酯。

Direct Synthesis of Ethyl Acetate by Dehydrogenation of Ethanol Over Copper based Catalysts

负载型铜基催化剂上乙醇脱氢直接合成乙酸乙酯

Developing a quick method for detection of dehydroacetic acid in orange juice

桔子汁中脱氢乙酸的气相色谱快速测定方法研究

Study of CNY 101 type catalyst for dehydrogenation of ethanol to ethyl acetate

CNY－101型乙醇脱氢制取乙酸乙酯催化剂研究

Fas mRNA was up-regulutedand Bcl-2 mRNA was down-regulated by YWN.

异位宁促使异位内膜细胞FasmRNA高表达及Bc1-2mRNA低表达.

The YVO 4 crystal grown by laser heated Pedestal growth ( LHPG ) method utilizing two CO 2 sources.

采用激光加热基座 ( LHPG ) 法,用两束CO2激光加热生长YVO4晶纤.

But according to the things reason, it is only JIA Bao-yus absurd supposition.

但是,按事体情理而论, 它只能是贾宝玉荒诞不经的杜撰式臆断.

The eels lived happily ever after, and the Yus got richer and richer.

以后, 这些鳗鱼们快乐的生活着,余家也越来越富有.

You are asking yur your friend to show some sympathy for your situation.

你正是要让你的朋友对你的遭遇表示一下同情.

Did you ever climb up the hill behind yur house?

你曾经爬上你房子后面的那座小山 吗 ?

Chien-yun also spent a few days with them.

剑云 还留在高家,他住在觉英的房里.

Feng Yun-ching's face was flushed as he hastily made this reply.

冯云卿涨红了脸急口地说.

After a moment's hesitation Feng Yun-ching handed over a hundred dollars.

略一迟疑以后,冯云卿就给了一百块.

Sister Yun was always of a nervous and sentimental temperament.

神为什么要去捉弄这些在家中的人儿?

I have a letter from Sister Yun in which is horribly depressing.

今天接到蕴姊从上海来的信,更把我引到百无可望的境地.

OBJECTIVE : To evaluate the clinical efficacy and ADRs of Yaotuitong pills ( YTT ).

目的: 评价腰腿痛丸的临床疗效和不良反应.

The superstitious yto an put the k priority on the superficial supersonic superiority.

迷信的人把优先权放在表面的音速的优良上.

Model YTD starting compensator is a mechanical-hydraulic-electric device for starting compensation of large-scale wet ball mill.

YTD型装置是一种适用于大型湿式球磨机起动的机械 - 液压 - 电气补偿装置.

The use of the screen can effectively make the YSZ powders evenly distributed onto the substrates.

筛子的作用是有效的使YSZ粉体均匀地分布在阳极支撑表面.

Ultrafine YSZ particles are a new type of advanced material, which has wide and significant uses.

纳米YSZ是一种新型的高科技材料, 有着广泛而重要的用途.