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。Nickel almost no acute toxicity, the general toxicity of nickel salts also lower, but managed to produce nickel carbonyl highly toxic.
金属镍几乎没有急性毒性，一般的镍盐毒性也较低，但羰基镍却能产生很强的毒性。It is a somewhat well known fact that sodium bisulfite will add to the carbonyl group of a ketone to form a crystalline addition product.
人们已经知道，亚硫酸氢钠可以加成到酮的羰基基团形成一个晶体加成产物。A large number of potential carcinogens can be released in incense smoke, including polyaromatic hydrocarbons, carbonyls, and benzene.
大量的潜在的致癌物随熏香的烟雾散发，包括多环芳烃，碳氢化合物，羰基和苯。The links between the nanoparticles can be either permanent (e. g. carbonyl) or cleavable (e. g. disulfide or ester).
之间的联系，纳米粒子可以是永久性的（如羰基）或裂解（如二硫键或酯）。curcumin analogues with a 5-carbon spacer having both a carbonyl and a saturated five- or six-membered ring.
在两个芳基之间保留五个碳、一个羰基且引入饱和五元环或六元环结构的姜黄素类似物。In a certain range, the tensile strength of composite increases with increasing volume fraction of modified carbonyl iron powder.
在一定范围内随着改性羰基铁粉体积分数的增加，复合材料的拉伸强度增大。This invention discloses methanol carbonylation way preparing methyl formate method and its equipment.
本发明公开一种甲醇羰基化法制备甲酸甲酯的方法及其装置。These clusters show different fluxional behaviour and ligands according to various substituent around the metals of osmium.
根据羰基配体取代基的不同，该类簇合物中小分子的移动种类及方式也有所不同。