在核电站安全性评价中,场地地震动反应分析是核安全评价中最重要的工作。拟建四川核电站选址于沉积岩地层。沉积岩场地的共同特点是岩体的不均匀性,即成层性,有不同的倾角,各层有不同的物理力学特性,有不同的风化程度,有的位于盆地中,有的位于盆地边缘。这些特性,使场地地震动反应计算更加困难。因此,要准确评价场地条件对地震动反应的影响,就必须解决如下问题:场地软硬程度对地震加速度的放大特性;沉积岩场地的风化程度
A square-root version of the divided difference Rauch-Tung-Striebel (RTS) smoother is proposed in this paper.The square-root variant essentially propagates the
A program of adaptive quadrature demodulation is proposed to supply the gaps in the traditional analog detection technology of a silicon micro-machined gyroscop
he economically developed coastal areas in the east. Such changes are closely related to the spatial differentiation of the level of urbanization and industrial
结合山西黎城粉末冶金有限责任公司矿山地质工作中计算机应用成果、经验,浅析计算机在矿山地质工作中应用领域的意义及应注意事项.
AIM: To assess the usefulness of bispectral index (BIS) monitoring in order to carry out endoscopic submucosal dissection (ESD) safely and with patients’ satis
Debugging is a time-consuming task in software development.Although various automated approaches have been proposed,they are not effective enough.On the other h
The surface rainfall processes and diurnal variations associated with tropical oceanic convection are examined by analyzing a surface rainfall equation and ther
首先介绍探地雷达探测方案及其探测技术参数的确定原则.其次,采用美国地球物理测量系统公司SIR-3000探地雷达,同时结合掌子面地质描述,对望江岭隧道进行超前地质预报.根据现
We present the first evidence for occurrences of magnetic interactions between a jet, a filament and coronal loops during a complex event, in which two flares s