The colorless platelets were filtered washed with cold methanol.将无色的小片状物过滤出来,用冷的甲醇洗涤.The crude, wet benzoate ( 118 grams ) was dissolved with reflux in 1 , 400 ml methanol.将粗制 、 湿的苯甲酸酯 ( 118克 ) 回流着溶于1400毫升甲醇中.The crude, ...
Process for synthesizing dimethyl phthalate ( DMP ) for phthalic anhydride and methanol has developed.研究以苯酐、甲醇为原料合成邻苯二甲酸二甲 酯 的方法.Methanol can also degrease the skin, which may cause dermatitis.甲醇也会引起皮肤脱脂, 引发皮炎.The colorl...
Such an area should be sealed off from the poultry pens or hatchery.这些地方同鸡舍或孵化室之间应完全隔绝.A hatchery facility includes racks a plurality of such trays loaded with eggs.孵化厂包括支承多个装有蛋的托盘的支架....