A novel magnetorheological fluid was prepared with nanometer lithium magnesium silicate , carbonyl iron particle , silicon oil and so on .
以纳米硅酸镁锂、羰基铁粉、硅油等原料制备了一种稳定性好的磁流变液。
New test method for trace carbonyl sulfide in propylene by gas chromatography .
用气相色层分析法对丙烯中痕量硫化羰的新试验方法。
Carbonyl alpha-substitution reactions and condensation reactions .
羰基α-取代反应及缩合反应。
This method represents a useful conversion of the carbonyl group to the amino group .
它成为一个使羰基变为氨基的有效方法。
Bimolecular elimination with formation of a carbonyl group ;
双分子羰基形成消除;
Indoor air - part 3 : determination of formaldehyde and other carbonyl compounds - active sampling method .
室内空气-第3部:甲醛与其他羰基化合物之测定-主动采样法。
To our knowledge , however , it has never been used for reductive amination of carbonyl compounds , nor for reduction of pre-formed imines .
可是据我们所知,它还从来没有被用于羰基的还原氨化和用于一个已制亚胺的还原。
Infrared spectra of h106 and its comptexes indicate that the carbonyl oxygen is the centre of electron donator .
络合物的红外光谱表明羰基氧是电子给予体的中心。
This paper andlyses and disscusses the application of group of equal value in syn-thetize to the synthetize of carbonyl chemical compound .
本文介绍并讨论了某些合成用等价基团在合成羰基化合物中的应用。
Abstract : changes of group-component , functional groups of carbonyl and sulfoxide and molecular weight distribution of shengli 100b and south korea 70 asphalts af ter ageing were investigated by ir spectra and gel permeation chromatograph .