It was proposed that a robust and efficient parallelizable preconditioner for solving general sparse linear systems of equations, in which the use of sparse app
“2010年1月的中原大地天寒地冻。可是，在河南省新安县一个偏远的山村农户家中传出了欢声笑语，洋溢着温暖幸福生活的气息。村民高兴地围坐在改良的炉灶旁边，耐心地听着河南省疾
扁担山白水河谷是位于贵州省中部地区的典型喀斯特河谷地貌区，在长约30km，宽约1km的河谷中，分布有上百个具备特色的布依族山地聚落，其中48个在历史上即被称为“扁担山布依48大寨
Interactions between different scales in turbulence were studied starting from the incompressible Navier-Stokes equations. The integral and differential formula
大青叶在临床上应用广泛，具有抗菌消炎的作用，可用于流行性乙型脑炎、上呼吸道感染、流行性感冒的防治。用法如下：1．流行性乙型脑炎 单味大青叶水煎剂，对轻、重型流行性乙型脑炎治
A newly developed Z fracture criterion for the composite materials was introduced,the new concepts of in-plane average strain,in-plane dilatational strain energ
A new method relying on the Stroh formulism and the theory of the surface impedance tensor was developed to investigate the dynamic instability of interfacial s
SANS（三思创意策划）工作室由徐轶婧和NeillMclean Gaddes 于2010年创办。他们将空间场所营造视为一个整体且循环进步的过程，在北京、深圳、烟台、福建、安徽、新西兰奥克兰及意
A method is presented to seek for coexisting periodic orbits which may be stable or unstable in piecewise-linear vibro-impacting systems. The conditions for coe
配方-豆饼12%,菜籽饼8%,玉米14%,稻谷10%,麸皮22%,麦芽根20%,统糠12%,无机盐添加剂2%.每50千克饲料添加蛋氨酸100克,赖氨酸50克.配方二菜籽饼8%,豆饼10%,玉米8%,大麦14%,麸皮