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歧化反应

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Furthermore, the disproportionation of MPC into DPC under atmospheric-vacuum condition was studied.

此外,本文还考察了常减压条件下MPC的歧化反应

Nano-Ni was first used as catalyst for disproportionation of resin acid .

将纳米镍催化剂首次应用于树脂酸的歧化反应中。

The participation of the formation water goes on through the hydrolysis disproportionation of organic matter during the evolvement process of organic matter.

有机质演化过程中地层水的参与是通过有机质的水解歧化反应进行的。

The kinetics of titanium deposition on Al 2O 3 ceramic surface by heat disproportionation reaction has been studied.

利用融盐热歧化反应进行了氧化铝陶瓷材料表面沉积钛金属的动力学研究。

After the product of the disproportionation under vacuum was treated through washing and vacuum filtering, DPO with content over 98% could be obtained.

减压歧化反应的产品再经过洗涤、抽滤等处理,可以得到含量为98%以上的DPO样品。

In the study of disproportionation of MPO, it was found that optimal operating pressure, catalyst concentration and catalyst loading amount were 37.3kPa, 1.4 wt.

通过对MPO歧化反应进行研究,发现较佳的操作压力为37.3kPa,较佳的催化剂浓度为1.4wt。

The results prove that the disproportionation takes place and the precipetated nano-phase metallic nickel is formed at a certain temperature and time.

LaNi5-xMx在2.5 MPa氢压和550℃以上保温一定时间后可发生明显的歧化反应,并析出纳米相镍。

Their tribological performances were evaluated with a HQ-1 block-on-ring test rig and a four-ball machine.

一价铜盐和铁盐的性能较差与一价铜盐的歧化反应及它们对润滑油氧化的催化作用有关。

It seems that intricate steric or electronic demand is required for an intramolecular metathesis to take place.

会产生这样的结果主要推测与立体效应和电子效应有关,进而产生分子内的歧化反应

Propylene production methods including olefin metathesis and catalytic cracking were introduced.

介绍了烯烃经歧化反应和催化裂解生产丙烯的方法,列举了国内外各大化工企业在该领域的研究及应用状况。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。