班上有个孩子叫毛毛。一天,爸爸妈妈一同来接孩子,我们刚一交谈,孩子的妈妈就告起“状”来:“管老师,我们家这个毛毛真笨啊,那双手,一点都不能干,看到画画折纸的事,两只眼睛
目的观察急性白血病患者骨髓中肾素活性，探讨白藜芦醇对白血病U937细胞增殖抑制作用。方法采集32例急性白血病患者初诊时的骨髓和外周血，以放射免疫法检测标本中的肾素活性，9例
The sediment reaction and diffusion equation with generalized initial and boundary condition is studied. By using Laplace transform and Jordan lemma , an analyt
阳阳要逗小花猫玩。玩什么?喏,拿块花手绢,做只小老鼠,请小花猫尝一尝鲜美的老鼠肉。奶奶正在拣韭菜。阳阳缠住奶奶,要奶奶给做一只活灵活现的手绢老鼠。奶奶只得停下手里的
The generalized two- dimensional problem of a dielectric rigid line inclusion, atthe interface between two dissimilar piezoelectric media subjected to piecewise
The relativity of motion and covariance of equation of motion in Newtonian Riemannian space-time, some relationship between Newton' s mechanics in N-R space
“不以规矩,无以成方圆”。人的活动总要符合一定的行为规则,同样,孩子的行为活动也要受到一定的合理约束。幼儿期的孩子由于缺乏知识能力,不能辨别是非,时会有破坏性行为,甚
教材 风娃娃 风娃娃是个大力士。他刚生下来的时候,很任性,从来不肯安安静静的,手一挥,电线就吓得“呜呜”直叫,树木“哗哗”摇晃,河水娃娃东逃西躲,“呯呯”四溅。风娃娃看
The 1:2 internal resonance of coupled dynamic system with quadratic and cubic nonlinearities is studied. The normal forms of this system in 1: 2 internal resona
The basic equation of market price of option is formulated by taking assumptions based on the characteristics of option and similar method for formulating basic