The present work measured the bulk etch rate (VB?) of solid state nuclear track detector by taking the diameter time measurement of alpha particle in CR-39 dete
Over the past decade the concern about toxic metals in freshwater has increased. Environmental laws such as the Clean Water Act have forced industries that prod
本文根据江苏省面临知识经济的挑战，实现新一轮经济腾飞和落实科教兴省的战略计划，驻江苏部委高校如何为地方经济和社会发展再作贡献而提出了一系列具体建议。文中数据详实，具有
混沌是非线性系统中的一种较为普遍的现象,混沌现象具有随机性、遍历性和规律性的特点。在优化设计领域中,混沌现象的遍历性特点可以作为搜索过程中避免陷入局部极小的一种优
独轮车,是近现代交通运输工具普及之前,我国北方农家一种轻便的运物载人工具,大小不一,木制单轮,所以名为"独轮车"。勤劳聪惠的人民群众用它载重载人,可长途跋涉且平稳轻巧。很难想象,20世纪40年代末,这千百年来极为寻常的独轮车,在淮海大地演绎出了气壮山河的恢宏乐章,从而决定了战争的胜负、政权的更迭、历史的走向。一、独轮车在淮海战役中的贡献一场战役,除了指挥得当、三军用命,后勤保障至为关键。淮海战役,
The oxidized bamboo pulp fiber yarns were prepared by the HNO3?/H3PO4-NaNO2 oxidation system. The effects of the oxidation concentration and reaction time on th
近年来，揭阳的江中咏、耒阳的王卿、湘潭的徐韬等一系列超出常规和超乎常理的“火箭式干部”的提拔实例，招致了网络上的持续围观，在诘问和质疑中，跃然而出的是人们对干部选拔任用
<正>李克强总理曾经强调:城镇化是一个复杂的系统工程,会带来经济和社会的深刻变化,需要各项配套改革去推进。因此,新一轮城镇化已经不再仅仅是传统意义上的城镇规模的拓展和
Coaxial electrospinning process was used to produce biodegradable membranes made of coreshell fibers of a poly(lactic acid) (PLA) shell and a poly(vinyl alcohol
Medium density fiberboard (MDF) is a highly competitive wooden material especially in office furniture industry. Damage and failure occur frequently in MDF due