Based on an analysis of the fractal structures and mass transport mechanism of typical shear-fluid-ore formation system, the fractal dispersion theory of the fl
The Shuanghu basin is a NE-trending rift basin bounded by NE-striking normal faults and NW-striking shear-extensional faults of the northern Tibetan Plateau. Fo
The Ordovician conodont faunal provinces were previously divided into the Midcontinent and Atlantic Faunal Regions situated respectively in low and high latitud
医院感染(nosocomial infections)是影响住院病人的致病性和致死性的一个重要因素,它不仅加重了病人的经济负担,而且促使一些细菌产生了耐药性,其重要性已被越来越多的医务人
采用回归分析方法,建立了伊莎商品代蛋鸡在产蛋过程中不同等级蛋蛋重的比率与产蛋时间的回归模型,并探讨了平均蛋重随产蛋时间的变化规律.
当光强达到1700μmolphotonm^-2s^-1,叶温超过35℃的晴天中午,水稻可产生明显的午休。
This paper divides the Telychian into 7 graptolite zones, 12 subzones and 4 chitinoans in the Ziyangregion, China. The zones and subzones of England are almost
An oil flow obtained from the Middle Ordovician Fengfeng Formation carbonate reservoir in the well KG-3, Kongxi burial-hill zone in 1993 marked a breakthrough i
The nearly E-W-trending Aqqikkudug-Weiya zone, more than 1000 km long and about 30 km wide, is an important segment in the Central Asian tectonic framework. It
对于手机、数码相机(Digital Still Camera,DSC)、音乐播放器等便携设备中常见的单节锂离子电池等而言,充电一直是一个颇有挑战性的问题,因为既要满足特定应用要求,又要确保安