The forms of combination of As, Pb, Cr in Xiaolongtan coal was investigated by washability test, inorganic and organic solvent extract, The results show that As is organic association dominantly, contrary to As in bituminous.
结果说明,As主要是以有机结合状态存在,Cr有部分是与煤中腐植酸络合,Pb则主要为无机结合状态。
LARGE-SCALE BENDING WAVES AND WAVY MAGNETODISC STRUCTURE OF THE JOVIAN MAGNETOSPHERE
大尺度弯曲波和木星磁盘的波状结构
In this paper, it is supposed that the wavy magnetodisc structure of the Jovian magnetosphere may be caused by large-scale bending waves in the Jovian plasma sheet.
本文提出,术星磁盘的波状结构可能是由木星等离子体片中存在的大尺度弯曲波引起的。
Study on the Numerical Simulation Method and Detection Characters of Ultrasonic Guided Waves in Cylindrical Structures
管状结构中超声导波检测特性数值模拟
Reverberation-transfer matrix for wave propagation in a multilayered solid
层状结构中弹性波分析的回传-传递矩阵法
Design of a novel SIR structure in stripline bandstop filter
一种新型结构的带状线SIR带阻滤波器设计
Research Status and Prospects of Stress Wave Nondestructive Evaluation on Structural Timbering
结构用材应力波无损评价研究现状与展望
The type vacuum arcing chamber adopts wave shape porcelain case, copper and chrome contactor material, cup shape and longitudinal magnetic field structure.
该型灭弧室采用波纹状陶瓷外壳，触头为铜铬材料，杯状纵磁场结构。
schistose structure
【地质】片状构造, 层状结构
A similar hoodlike, lidlike, or caplike structure, such as a root cap.
帽状结构一种盖状、帽状的结构，如根帽
Sonography showed an elongated tubular structure over the right abdomen.
超音波显示右腹部有一长条形管状结构位于盲肠后面。
Research on Sheet Cracks Identification of Structure Using Wavelet Analysis of Modal Parameters
带片状裂纹结构损伤识别的模态参数小波分析方法研究
Finite Element Analysis of Corrugated Sheets Structure Deforming Initiatively with Shape Memory Alloy Actuators
形状记忆合金驱动主动变形波纹板结构的有限元分析
Research on RF Characteristics of Ka-band Millimeter-Wave Traveling-Wave Tubes;
Ka波段毫米波行波管高频结构的研究
Having a mealy or powdery texture.
有粉状或面粉状结构的
A ringlike structure, segment, or part.
环状物环状结构或部分
grey reticular formation
灰质网状结构 灰质网状结构
The formation of a treelike shape or arrangement.
树状结构似树的形状或排列的结构
A palmate structure or form.
掌状结构掌状结构或形态