Synthesis process of benzophenone hydrazone is studied with benzophenone and 80%hydrazine as raw materials. Effects of material ratio, reaction time and concentration on aimed products are explored.
研究了以二苯甲酮和80%水合肼为原料,合成二苯甲酮腙的工艺,探讨了物料配比、反应时间、浓度等对目的产物收率的影响。
L9 (34) orthogonal experiment was adopted, the effects of concentration of initiator, reaction time, volume ratio of monomers and amount of PVA on shear strength of adhesive were investigated.
采用L9(34)正交实验,考察了引发剂的浓度、反应时间、单体的体积比和PVA用量对木材胶黏剂的剪切强度的影响。
The ratio of the square of certain concentration gas diffusion depth and diffusion time is constant when it diffuses and reacts through the solids bed.
一定浓度的气体通过固体颗粒层扩散-反应时,其扩散深度的平方与扩散时间的比值为常数。
应用推荐