介绍了化纤过滤毡的研制过程。所研制的化纤过滤毡，毡体平整、厚度均匀、致密度高，其强力为1500N、断裂伸长40%、透所度1.38mL/cm^2s、kw值11%。可在粘胶三道过滤中应用。
In order to explore the effects of combined foliar spray which was prepared from potassium fulvate and Zn on heavy metal accumulations in three kinds of facilit
该红外水份仪是一种在线测定浆粕含水量的仪器,文中描述了仪器的工作原理和主要技术性能以及在浆粕生产过程中的应用。
又是清明节,蒙蒙细雨,亦如天公抛撒的悲泪。我们兄弟姐妹怀着沉痛的心情,从武汉回到老家母亲的坟墓前,拜祭母亲的亡灵。母亲的坟墓建造在老家坐西朝东的山坡上,那里春天鸟语
党的十七大报告提出要'加快推进以改善民生为重点的社会建设','努力使全体人民学有所教、劳有所得、病有所医、老有所养、住有所居,推动建设和谐社会'。'
With the continuous development of society,the development of agricultural economy is also accelerating.Meanwhile,a large amount of sludge and waste materials e
新会计准则中最令人瞩目的变化当属公允价值概念的引入。理论界人士普遍预计由于投资性房地产在具体的计算方法上引入了公允价值模式,拥有大量土地使用权或房产又希望通过收
[Objectives]This study was conducted to explore the removal performance and mechanism of heavy metal Cd in soil by combining electrokinetic technology and modif
[Objectives]This study was conducted to explore the genetic evolution of Escherichia fergusonii in different countries and regions,and to clarify the genetic re
2009年12月4日，雷士光明行公益工程再次走进西南偏远山区——巴中市，为当地12所山区贫困中小学600多个班级，捐赠价值60万元新型节能照明器材，近34000名中小学生从中受益。