The graft mechanism of lignosulfonate and acrylic acid was studied in this paper.本文研究了木素磺酸盐和丙烯酸单体的接枝共聚机理.Through the separation, lignosulfonate with narrow molecular weight distribution was obtained and then chemically m...
Through the separation, lignosulfonate with narrow molecular weight distribution was obtained and then chemically modified.木质素磺酸盐是一种常见的普通减水剂, 其分子量分布较宽,从而影响减水剂性能.The graft mechanism of lignosulfonate and acrylic acid was ...
注意,开发或编码阶段只是单独的块.Note that the development or coding phase is only a single block!用于修饰或说明安全工作方式或编码工作方式.To vary from or oscillate setting , position , or mode of operation....
Doctors also treat irregular heartbeats with another device called a pacemaker.医生还会使用另外一种称为“心脏起搏器”的设备来治疗心律不齐.A sad and lonely tune. There's only piano and heartbeats. Nothing else.悲伤孤独的旋律, 唯有钢琴与心跳, 别无其他.Smoking coul...
为了防止蜜蜂迷路，养蜂人给它们喝糖水。To keep their bees from wandering, beekeepers feed them sugar solutions.正如养蜂人与蜜蜂的关系一样,我们本能地懂得如果我们不把自己生活中重大事件告诉它的话,不幸的事情就会袭击我们.We know instinctively, just as bookeepers with their bees that misfortune m...