1) cylindrical multilayered medium
柱状多层固体介质
1.
In terms of some problems existed in the current theory of bolting systems’ quality testing, this paper presents a different acoustic propagating property which takes the bolting system as a model of cylindrical multilayered medium, and makes numerical computation in the condition of this model.
针对当前锚杆质量检测理论存在的一些问题,提出以柱状多层固体介质模型为基础研究声波在锚杆锚固介质围岩体系中的传播规律,并在该模型条件下进行了数值计算。
2) cylindrical multi-layered medium
柱状多层介质
1.
A recurrence method for getting electromagnetic field of magnetic dipote(MD) in cylindrical multi-layered medium is pointed out.
提出了柱状多层介质中的磁偶极子在任意介质层中的电磁场的递推算法,给出了磁偶极子产生的电磁波在柱状多层介质中的反射、透射系数和广义反射系数,从而得到了任意介质层中满足各层界面边界条件的电磁场解析表达式。
3) cylindrical layered media
柱状分层介质
1.
The Green's tensor in frequency domain for cylindrical layered media was deduced from the 3-D Green dyadic for homogeneous media according to the propagation laws of waves in layered media,then the Green's tensor in spatial domain can be achieved with Fourier transformation,which is a singular integral of wave-number.
根据分层介质中波的传播规律,由均匀介质中的三维张量格林函数得到频率域中柱状分层介质的张量格林函数表达式,经过傅立叶变换,可以得到空间域的格林函数,它是一个关于波数的奇异积分。
4) Cylindric medium
柱状介质
5) layered porous media
层状多孔介质
1.
A mathematical model of one dimensional filtration problem in partially saturated and dry layered porous media is given and studieThe existence and uniqueness of the weak solutions of a Class of degenerate parabolic equation are proved under natural conditions.
在部分饱和与部分干的层状多孔介质中,建立了一维渗流问题的数学模型。
6) layered solid media
成层固体介质
补充资料:多孔层开管柱
分子式:
CAS号:
性质:在开管柱内壁上用适当的方法沉积上一层多孔性物质(如硅藻土、硅烷化硅胶、分子筛等),即为多孔层开管柱。多孔性物质可做吸附剂用,也可做为载体再涂固定液使用。多孔性物质作为载体用的又称涂载体开管柱(support-coated open tubular column)。多孔层厚度约为0.1mm。与涂壁开管柱相比,它的内表面大,柱容量大,固定液流失减少,柱寿命增加。
CAS号:
性质:在开管柱内壁上用适当的方法沉积上一层多孔性物质(如硅藻土、硅烷化硅胶、分子筛等),即为多孔层开管柱。多孔性物质可做吸附剂用,也可做为载体再涂固定液使用。多孔性物质作为载体用的又称涂载体开管柱(support-coated open tubular column)。多孔层厚度约为0.1mm。与涂壁开管柱相比,它的内表面大,柱容量大,固定液流失减少,柱寿命增加。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条