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Its structure was determined as 2,4 di tert butylphenol by the spectrum data of IR, MS, 1HNMR and 13 CNMR. 经过IR，MS，1HNMR和13CNMR等波谱数据分析，确定其结构为2，4－二叔丁基苯酚。
The synthesis of cis 4 tert butylcyclohexanol was studied from 4 tert butylphenol with Ni,Pd/C,Pt/C et al as catalyst by the way of liquid catalytic hydrogenation. 采用雷尼镍、Pd/C、Pt/C等为催化剂 ,由对叔丁基酚液相催化加氢合成顺式对叔丁基环己醇。
The continuous synthetic process of 2,4 di tert butylphenol was studied in a tubular fluid bed reactor, while isobutylene was used as alkylating agent and strong acidity positive ion exchange resin as catalyst. 以强酸性阳离子交换树脂为催化剂 ,异丁烯为烷基化剂 ,在管式流化床连续反应器中研究了苯酚烷基化反应合成 2 ,4 二叔丁基苯酚的反应工艺。
STUDY ON COUTINUOUS SYNTHESIS OF 2,4 DI tert BUTYLPHENOL BY FLUID BED PROCESS 流化床连续法合成2,4二叔丁基苯酚的工艺研究
the main compounds before processing were 8 Hydroxy p cymeme (7.72%), 4 Methyl 2, 6 di tert butylphenol(7.48%) and 1,2 Diphenylethylene (8.12%). 炮制前的主要成分是 :8 羟基对伞花烃 (7.;72%25 )、4 甲基 2;6 二叔丁基苯酚 (7
NEW PROCESS FOR PREPARING METHYL 3,5 DI TERT BUTYL 4 HYDROXYBENZYLPROPIONATE WITH 2,6 DI TERT BUTYLPHENOL AND METHYLACRYLATE 殷金柱,魏东炜,宋卫,李复生, 二叔丁基苯酚与丙烯酸甲酯反应制取3,5-二叔丁基-4-羟基苯丙酸甲酯的工艺
The synthetic process of 2,4di?tert?butylphenol was studied in a batch reactor, while isobutylene was used as alkylating agent. 以异丁烯为烷化剂 ,在间歇反应釜中研究了苯酚烷基化反应合成 2 ,4二叔丁基苯酚的反应工艺。
Hardware Design of a High Speed Para. 高速并行图形系统硬件设计。
Laura coge dinero del bolso para la gitana. 劳拉从口袋里拿出了钱，以打发这个吉普赛人。
El padre no encuentra fuerzas para ser severo. 父亲没有板起面孔。
Richard Clayderman - Balada para Adelina (1998)... 理查德.克莱德曼-给爱德琳诗...
O que ele fez? Ele ligou para seu amigo. 他做什么了？他给朋友打电话了。
Ela trouxe as compras para casa ontem. 她昨天带了杂货回家。
Para un amante ya no hay amigos. 情人眼中无朋友。
Note the age, gravida, para, and gestational age. 记录年龄，孕次，产次和孕周。
El agua es la vida para muchos campesinos. 水是大多数农民的生命。
Scan Para E F, and then complete the tips. 训练学生阅读并归纳信息的能力.
Ele dirigiu para o trabalho hoje. 他今天开车去上班了。
Como para acercarla mi mirada la busca. 用我的目光捕捉她的身影只为靠近她。
Me encanta hacer algo para salvar el planeta. 我喜欢做些什么来拯救地球。