过氯酸肼和过氯酸锂形成两种低共熔物.Hydrazine perchlorate and lithium perchlorate form two eutectics.结果表明,在最佳工艺条件下, 低温煤焦油加入量不能超过15%,共熔物制油转化率可达86%.In the optimum condition, the ratio of low temperature carbonization tar was no more than 15...
In addition, there is a very influential theory called the theory of axiomatics for double - entry bookkeeping.此外, 还有一种影响深远的理论--复式簿记公理化学说.This practice , which is seldom followed, requires extra care and " bookkeeping "....
Sylvia took quite a fancy to him...西尔维娅深深爱上了他。Sylvia's face was noncommittal...西尔维娅一脸不置可否。Sylvia, camera in hand, asked, 'Where do we go first?'西尔维娅手里拿着相机问道：“我们先去哪里？”Sylvia: So what exactly did your teache...
Aim To probe the effects of lamellar keratoplasty implantation and epithelium of limbus implantation for pterygium.目的探讨板层角膜移植联合角膜缘上皮移植术治疗翼状胬肉的疗效.The epithelium of the smaller bronchi was fragmented and partially desquama...