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
自2015年开始.山东能源淄矿集团将实施以“基于物联网的‘两化’深度融合技术研究”作为转型的重要抓手.在陕西正通煤业有限责任公司进行试点研发.目前成效初显:该项目被中国煤炭
One and multi-step solid state reaction methods were used to prepare a high temperature superconductor with a nominal compositionBi2-x LixPb0.3Sr2Ca2Cu3O10+δ f
1992年5月31日下午6时,在北京人民大会堂霍英东教育基金会第三次青年教师基金奖及青年教师奖授奖大会上,杨尚昆主席和华东工学院计算机系青年教师刘克博士亲切握手表示祝贺。
The fusion strength of electrofusion joints using the polyethylene (PE) pipe connection greatly depends on the amount of sand which adheres to the interface by