查询词典 oligomerization

Effects of the catalyst preparation and reaction conditions of oligomerization on naphthalene conversion were investigated in detail.

详细考察了催化剂制备条件和反应条件对萘转化率的影响。

The oligomerization of isoprene with titanium tetrachloride as catalyst and alkylaluminium chlorides as promotor was studied, and especially the effects of the reaction conditions on the synthetic activity and selectivity of dimer and trimer were investigated in detail.

研究了以四氯化钛为主催化剂，以烷基铝为助催化剂催化异戊二烯的低聚反应，详细考察了各种反应条件对催化合成二聚体及三聚体的活性和选择性的影响。

A2D iim ine nickel, palladium complexes and pyridine bisimine iron, cobalt complexes are discovered in recent years to be new generation late transition metal catalysts for olefin homogeneous poly merization and oligomerization.

A2二亚胺镍、钯络合物和吡啶二亚胺铁、钴络合物是近几年来发现的新一代烯烃均相聚合后过渡金属催化剂。

Under the action of a strong selective catalyst, the viscosity index of PAO with good oxidation stability synthesized through 1 - decene oligomerization reaction reaches 130 above.

在一种选择性强的催化剂作用下，通过α-癸烯齐聚反应合成的PAO粘度指数达到130以上。

Synthesis of perfluorous nonene (C9F18) by oligomerization of hexafluoropropylene (C3F6) was studied.

研究了六氟丙烯(C3F6)齐聚合成全氟壬烯(C9F18)的工艺。

As a useful fluorinated product,hexafluoropropene trimers can be prepared from hexafluoropropene oligomerization by gas phase-and liquid phase-methods,and many fluorocarbon surfactants such as full-fluoride nonene oxygen benzene sodium can be derived from perfluorinated nonene.

六氟丙烯可通过气相和液相法进行聚合制得六氟丙烯三聚物，即全氟壬烯，全氟壬烯可以进一步衍生出如全氟壬烯氧基苯磺酸钠等多种氟碳表面活性剂，是一种比较有用的含氟产品。

EFFECT OF TEMPLATE CONCENTRATION ON PROPENE OLIGOMERIZATION REACTION

模板剂用量对丙烯齐聚反应的影响

These tridentate chromium complexes afforded moderate to high activity for ethylene oligomerization and polymerization with broad oligomer distributions from C_4 to C_(36) and some complexes got special distributions of oligomers.

在改性甲基铝氧烷的作用下，这些配合物都表现出中等或高的齐聚和聚合活性，并且齐聚产物分布较宽从C_4到C_(36)，一些配合物还得到了特殊分布的齐聚产物(C_6含量很低)。

By using the combination of oligomerization and step-by-step approach, the pentamer is successfully synthesized.

接著我们利用步骤式合成与寡聚化反应两者的结合来来成我们的目标产物，五聚物。

The results indicated that novel catalyst system had high activity for propylene oligomerization. The products were mainly tetramer and pentamer.

结果表明：该配合物催化丙烯低聚具有较高的催化活性，产物主要以四聚物、五聚物为主。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。