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- Preparation process of p cymene with gas phase catalytic dehydrogenation of industrial dipentene was studied and the following results were obtained. 對工業(yè)雙戊烯氣相催化脫氫制備對傘花烴進(jìn)行了研究并取得了理想結果。
- Keywords dipentene;catalyst;p cymene; 雙戊烯;催化劑;對-異丙基甲苯;
- Keywords p cymene;industrial dipentene;gas phase catalytic dehydrogenation; 對傘花烴;工業(yè)雙戊烯;氣相催化脫氫;
- Keywords dipentene;p isopropylmethylbenzene;p cymene;vapor catalysis; 雙戊烯;對異丙基甲苯;對傘花烴;氣相催化;
- Keywords Ledum palustre L.var.angustum;essential oil;composition;sabinene;p cymene;myrtenal;4 terpineol; 細葉杜香;精油;組成;檜烯;對傘花烴;桃金娘烯醛;4-松油醇;
- I mind my p's and q's whenever I see him. 每當我見(jiàn)到他我都謹慎行事。
- In English, b, p, m and w are bilabials. 英語(yǔ)中的b、p、m、w為雙唇音。
- AB and CD intersect at (the point) P. AB線(xiàn)和CD線(xiàn)在P點(diǎn)相交。
- The time now is 10:00 p, m, sharp. 現在的時(shí)間是晚上10點(diǎn)整。
- The "d" in "grandpa" has been lost by assimilation to "p". "grandpa"中的"d"因受"p"的同化而不發(fā)音。
- The light now shining on P is called incident ray. 射到P點(diǎn)的光叫做入射光線(xiàn)。
- The children were told to mind their P's and Q's. 孩子們被囑應小心謹慎。
- She has at last come into her own as p pop-singer. 她終于使自己成為一名流行歌曲演唱家。
- How do you pronounce p - h - l - e - g - m ? 你怎樣讀“p-h-l-e-g-m”這個(gè)單詞?
- P>Passionate love is a quenchless thirst. 熱烈的愛(ài)情是不可抑制的渴望。
- Q come between p and r in the english alphabet. 在英語(yǔ)字母表中，Q位于P與R之間。
- P: Have you checked my respiration? 你測過(guò)我的呼吸嗎?
- In exchange,P & G offers its employees many things. 反過(guò)來(lái)，寶潔公司給其員工提供許多優(yōu)厚的待遇。
- I mind my p rs and q rs whenever I see him. 每當我見(jiàn)到他我都謹慎行事。
- O! I s t h t. T i v u a w h f p f t r s e d. 服務(wù)員：哦！很抱歉聽(tīng)您這么說(shuō)。這種事很少發(fā)生。我們每天從固定的供應商進(jìn)貨。
