ketene的例句大全

As a wildly used organism, acetylacetone was prepared mainly by the absorption of ketene and thermal transition.

乙酰丙酮作为一种应用较为广泛的有机物，其制备的工艺多采用乙烯酮吸收和热转化的途径。

互联网摘选

isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute h2so4 as catalyst.

以乙烯酮和丙酮为原料，用强酸性离子交换树脂代替浓硫酸作为催化剂，直接酯化合成乙酰丙酮的中间体乙酸异丙烯酯。

互联网摘选

synthesis of alkyl ketene dimer

烷基乙烯酮二聚体的合成

互联网摘选

depending upon reaction conditions, the product may be a polyketone formed by addition polymerization of the ketene double bond.

随着反应条件的不同，产物可以是由烯酮的双键加成聚合得到的聚酮。

互联网摘选

The synthesis of chloroacetyl chloride by the chlorination of ketene was studied in the article.

研究了乙烯酮氯化法合成氯乙酰氯.

互联网摘选

Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization.

烯酮, 特别是二甲基烯酮, 很容易齐聚和聚合.

词典精选例句

The Chemistry of α-Oxo Ketene Cyclic Dithioacetals ( XXXI) ── Studies on the conjugated addition of α-Cinnamoyl Ketene-1, 3-Propylene-dithioacetal with Grignard Reagents

α－氧代烯酮环二硫代缩酮化学（XXXI）&α－肉桂酰基乙烯酮缩1，3－丙二硫醇与Grignard试剂的共轭加成反应

互联网摘选

Recent Development of Sizing Material& Alkyl Ketene Dimer ( AKD) for Neutral Sizing

施胶技术的近期发展&以烷基烯酮二聚体进行中性施胶

互联网摘选

Efficiency and Reversion of Alkyl Ketene Dimer Sizing in Calcium Carbonate Filled Papers

在碳酸钙加填纸中AKD施胶的有效性和逆转性

互联网摘选

AKD ( alkyl ketene dimer) emulsions offered good sizing, but rendered very poor ink hold-out.

AKD乳液提供了良好上胶度，但纸之托色效果甚差；

互联网摘选

Alkyl ketene dimer ( AKD) as a kind of neutral/ alkaline size is widely used in alkaline papermaking.

AKD作为一种中/碱性施胶剂，在碱性造纸中得到广泛的应用。

互联网摘选

A theoretical study on the mechanism of the dimerization reaction of ketene imine

乙烯基亚胺二聚反应机理的理论研究

互联网摘选

Studies on organoarsenic compounds& ⅶ. reaction of arsonium ylides with ketene dimer

有机砷化合物的研究&Ⅶ.胂叶立德与双烯酮反应

互联网摘选