The construction of the sand bed used as mould,its preparing and drying were described.
叙述砂床的构造、制作及烘干方法、浇注温度的控制等。
After the investigation and study on Alluvial Tin deposit in Changning Dayishan Mine,Conclude that its geologic setting mainly iles in its structure and land form a proper scale of Alluvial Tin deposit were found in the limestone solution cave around Dayishan granite body.
提出了在大义山花岗岩体外围灰岩溶洞发现了一定规模的砂锡矿床,并初步分析了形成原因。
Discovery of the Mayum placer gold deposit,Burang County,Tibet,and its significance;
西藏普兰县马攸木砂金矿床的发现及其意义
The oreprospecting model of synthetic information of placer gold deposits in Altay Region,Xinjiang;
阿勒泰地区砂金矿床综合信息找矿模型
Analysis on geological conditions of the mineralization of placer gold deposit in Chaihe River Valley;
柴河砂金矿床成矿地质条件分析
A new probability model for predication of equilibrium sand-bed height for liquid-solid two-phase flow in horizontal pipe;
水平固液两相管流平衡砂床高度计算的概率模型
stationary bed-saltation flow pattern
稳定的砂床波动流动型式
A deposit of gold ore in an old riverbed.
富金砂矿古河床里的金砂矿床
belt conveyer abrasive belt surface grinder
输送带式平面砂带磨床
centerless cylindrical grinding machine with wide grinding wheel
宽砂轮无心外圆磨床
angular wheel slide grinding machine external
斜置砂滑座外圆磨床
twin grip type centerless grinder
双支承砂轮无心磨床
extension bar for grinding wheel axle of internal grinding machine
内圆磨床砂轮轴接杆
CNC high speed double-wheel angular approach cylindrical grinding machine
数控高速双砂轮端面外圆磨床
grinding machine for cold working glass (excl. sand jet engraving machines)
玻璃冷加工用磨床（不包括喷砂雕刻机）
The uranium deposits are obscured by sand, peat and glacial drift.
铀矿床被砂子，泥炭和冰碛物所覆盖。
Roll deposits cut across sandstone bedding.
卷型矿床切穿砂岩的层理。
Scouring Phenomenon of the Channel Bed Below a Sabo-dam
防砂坝下游河床局部冲刷现象之研究
The Design and Manufacture of the Online Dynamic Balance System for the Grinding Wheel;
磨床砂轮动平衡在线调整装置的研制
Characteristics of sandstone copper ores in Tianlu copper deposit
北祁连天鹿铜矿床砂岩型铜矿石特征
A glacial or alluvial deposit of sand or gravel containing eroded particles of valuable minerals.
砂矿，砂积矿床一种砂砾或碎石的冰河沉积物或冲积沉积物，包括有价值的矿物成份
This article made a brief analysis of clinical adverse effects of cinnabar.
对临床上报道的朱砂不良反应进行简要分析。
Design and Research for the Structure of NC Sand Belt Grinding Machine for Blade;
叶片砂带磨削数控机床结构设计与研究
Based on Fluvial Process Sand Extraction Planning of Xin River in Yingtan City, Jiangxi Province;
基于河床演变对信江鹰潭段采砂规划的研究