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      di-tert
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  “di-tert”译为未确定词的双语例句
     The telomerization of methyl acetate with ethylene, using di-tert.
     利用过氧化叔丁基、过氧化苯甲酰或偶氮异丁腈为引发剂,进行乙烯与乙酸甲酯的调节聚合反应,实验结果说明其中以过氧化叔丁基效率最佳,余二者均较差。
短句来源
  相似匹配句对
     Di.
     Di.
短句来源
     Tri(2,4-di-tert-butyl)
     三(2,4-二特丁基)亚磷酸酯
短句来源
     The Prepatation of 2,4-Di-Tert-Butylphenol
     2,4-二叔丁基苯酚的制备
短句来源
     Determination of Di-tert-butyl N,N-Diethylphosphoramidite by UV Spectrophotometry
     紫外分光光度法测定N,N-二乙基二叔丁基亚磷酰胺酯的含量
短句来源
     The telomerization of methyl acetate with ethylene, using di-tert.
     利用过氧化叔丁基、过氧化苯甲酰或偶氮异丁腈为引发剂,进行乙烯与乙酸甲酯的调节聚合反应,实验结果说明其中以过氧化叔丁基效率最佳,余二者均较差。
短句来源
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  di-tert
Peroxidase-catalyzed oxidation of o-phenylene diamine (OPD) was competitively inhibited by trimethylhydroquinone (TMHQ), 4-tert-butylpyrocatechol (InH5), and 4,6-di-tert-butyl-3-sulfanyl-1,2-dihydroxybenzene (InH6).
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Peroxidase-catalyzed oxidation of tetramethylbenzidine (TMB) was noncompetitively inhibited by InH6 and 3-(2-hydroxyethylthio)-4,6-di-tert-butylpyrocatechol (InH4), whereas o-aminophenol acted as a mixed-type inhibitor.
例句来源      
Radioprotectants of acute (indralin) and durable effects (indomethaphen) as well as natural α2-tocopherol) and synthetic antioxidants (ionol or 2,6-di-tert-butyl-4-methylphenol) efficient in survival test were used.
例句来源      
The dynamics of total protein and procollagen biosynthesis was studied in the muscle tissue in gunshot wound during the natural healing and after treatment with antioxidant (AO) 2,6-di-tert-butyl-4-methylphenol (BHT).
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The observed multiple effects of BHT are due to its antioxidative properties (the structural BHT analog 3,5-di-tert-butyltoluene is physiologically inert; it has no effect similar to that of BHT).
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         The telomerization of methyl acetate with ethylene, using di-tert.-butyl peroxide, benzoyl peroxide, or azo-bis-iso-butyronitrile as initiator, has been studied. Experimental results show that di-tert.-butyl peroxide is much more efficient than benzoyl peroxide and azo-bis-iso-butyronitrile.
            利用过氧化叔丁基、过氧化苯甲酰或偶氮异丁腈为引发剂,进行乙烯与乙酸甲酯的调节聚合反应,实验结果说明其中以过氧化叔丁基效率最佳,余二者均较差。过氧化叔丁基以1.5%用量,调聚物的平均收率可达加入酯的14%。三种引发剂的用量在0.12%至4.6%的范围内改变,调聚物收率的增加与引发剂用量的增加几成直线关系。由过氧化叔丁基引发的调聚产物中,分离并鉴定月桂酸、软脂酸、硬脂酸及二十酸等四种高极脂肪酸。除调聚酯外,尚含相当量不水解的中性物。由偶氮异丁腈引发的反应液中,分离出引发剂自由基的二聚体1,1,2,2-四甲基丁二腈,其量几占加入引发剂量55%。
文摘来源
         A new initiator system, di-tert-butyl peroxide in the presence of MgO or BaO, has been proposed for the telomerization of tetrafluoroethylene with lower aliphatic alcohols. Comparative studies showed that the presence of BaO enhanced the rate of telomerization and increased the total yield of telomers, as well as lowered the average molecular weight of telomers. This effect is decreased in the following order: methanol > ethanol > iso-propyl alcohol.The telomerization was studied over a wide ran...
            本工作提出了一种新的引发系统即在MgO或BaO存在下的过氧化叔丁基,应用于四氟乙烯与甲醇、乙醇及异丙醇等低级脂族醇的调节聚合。对比实验证明氧化钡具有提高反应速度和调聚物总收率及降低分子量的作用。此作用对以甲醇为调节剂的反应影响最大,乙醇次之,异丙醇则较小。 研究了四氟乙烯与醇类化合物的克分子比对产物分子量分布的影响。结果表明改变反应物克分子比可以较满意地控制1∶1加成物的生成。以甲醇而言,当反应物克分子比在0.10—0.28范围内,1∶1加成物产率从25.8%增至57%。 从三种醇的调聚产物百分比的比较,得出链转移常数的次序是:甲醇<乙醇<异丙醇。
文摘来源
         Hindered phenol-type of anti-oxidant is a mixture of alkylphenols with 70-75% 2,6-di-tert-butylphenol. It is prepared by alkylation of phenol and can be added to motor fuels. The procedure for preparation is simple and does not suffer from serious pollution. Preliminary evaluation has shown that the product thus produced is an excellent anti-oxidant in gasoline.
            屏蔽酚型抗氧剂,是以苯酚为原料,经烷基化反应制得的一种烷基酚的混合物(其中2,6-二叔丁基酚占70~75%).其制备工艺较简单,污染少.将其添加汽油后初步评价,抗氧化效果与T501抗氧剂相近.
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