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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. 对工业双戊烯气相催化脱氢制备对伞花烃进行了研究并取得了理想结果。
- Keywords dipentene;catalyst;p cymene; 双戊烯;催化剂;对-异丙基甲苯;
- Keywords p cymene;industrial dipentene;gas phase catalytic dehydrogenation; 对伞花烃;工业双戊烯;气相催化脱氢;
- Keywords dipentene;p isopropylmethylbenzene;p cymene;vapor catalysis; 双戊烯;对异丙基甲苯;对伞花烃;气相催化;
- Keywords Ledum palustre L.var.angustum;essential oil;composition;sabinene;p cymene;myrtenal;4 terpineol; 细叶杜香;精油;组成;桧烯;对伞花烃;桃金娘烯醛;4-松油醇;
- I mind my p's and q's whenever I see him. 每当我见到他我都谨慎行事。
- In English, b, p, m and w are bilabials. 英语中的b、p、m、w为双唇音。
- AB and CD intersect at (the point) P. AB线和CD线在P点相交。
- The time now is 10:00 p, m, sharp. 现在的时间是晚上10点整。
- The "d" in "grandpa" has been lost by assimilation to "p". "grandpa"中的"d"因受"p"的同化而不发音。
- The light now shining on P is called incident ray. 射到P点的光叫做入射光线。
- The children were told to mind their P's and Q's. 孩子们被嘱应小心谨慎。
- She has at last come into her own as p pop-singer. 她终于使自己成为一名流行歌曲演唱家。
- How do you pronounce p - h - l - e - g - m ? 你怎样读“p-h-l-e-g-m”这个单词?
- P>Passionate love is a quenchless thirst. 热烈的爱情是不可抑制的渴望。
- Q come between p and r in the english alphabet. 在英语字母表中，Q位于P与R之间。
- P: Have you checked my respiration? 你测过我的呼吸吗?
- In exchange,P & G offers its employees many things. 反过来，宝洁公司给其员工提供许多优厚的待遇。
- I mind my p rs and q rs whenever I see him. 每当我见到他我都谨慎行事。
- O! I s t h t. T i v u a w h f p f t r s e d. 服务员：哦！很抱歉听您这么说。这种事很少发生。我们每天从固定的供应商进货。
