The study of seismic attenuation property is a major subject in seismology. Seismic waves recorded by seismic stations (seismographs) contain source effect, sei
采用热重/差热(TG/DTA), X射线衍射(XRD)和漫反射红外光谱等手段对谷氨酸在Al2O3表面的吸附和热缩合反应进行了表征,并考察了谷氨酸水溶液平衡浓度和pH值对吸附行为的影响,探
采用部分还原沉淀法合成Fe3O4磁性粒子,通过热处理制度控制粒径和晶相的不同,得到磁性能表现不同的Fe3O4磁性粒子.利用透射电镜、原子力显微镜、激光粒度分析仪、X射线衍射仪
Taking the Jiyang depression as an example, this paper discusses the control of the formation of lithological reservoir by surrounding rocks by integrated appli
本文介绍了基于VC++平台的引信仿真测试可视化系统软件的设计与实现,在引入半实物仿真及全数字仿真两种工作模式的基础上,并分别介绍了在杀伤效果显示方面OpenGL的具体应用以
对于自由项为三角函数的一类Fredholm型积分方程,积分核具有对数弱奇异性,本文展开三角函数为级数,推得了该类积分方程的精确解,并且对解在其定义域端点处的奇异性质进行了讨
Two mutants of the zinc finger protein, ZNF191(243-368) I323W and R327W, are successfully obtained by site-directed mutagenesis. The fluorescence spectrum is us