crude sand

The effect of quartz sand on collapsibility of modified sodium silicate bonded sand;

原砂对新型改性水玻璃型砂溃散性的作用机理

A method of static adsorption is used to study the adsorption property and mechanism of MD film displacement on montmorillonite and Zhongyuan oil sand.

用静态吸附法研究了MD膜驱剂在蒙脱土及中原油砂上的吸附性能和机理。

Research and Experiment of Mud Eliminator With Continuous Sand Srubbing;

连续原砂擦洗及脱泥机的研究与试验

Centre for Heavy Crude and Tar Sands

重质原油和沥青砂中心

Contrast of Magnetic Susceptibility of Silica Sand and Silica Raw Material and Its Significance

石英砂与石英砂原料磁化率的对比及其意义

The presence of fragments of silicified siltstone retains their original bedding.

硅化粉的砂岩碎块保留有原始层面。

On the Gau-Sha Volunteer Force from the Ancestral Worship of Taiwan Aborigines;

从台湾原住民祖灵信仰看高砂义勇军

Causes And Resolvents To Cracks In Self-Hardening ResinSand Mould;

自硬树脂砂型的开裂原因及防止措施

Identification of the Pathogen of Amomum villosum Lour. Leaf Spot and Its Control Fungicides Selection

砂仁叶斑病病原菌鉴定及杀菌剂筛选

Molecular cloning and prokaryotic expression of heat shock protein 90(Hsp90) gene in Tetranychus cinnabarinus(Acari:Tetranychidae)

朱砂叶螨HSP90基因克隆及原核表达

Sand Production Reason and Its Treatment Effect Analysis inYanmuxi Oilfield

雁木西油田出砂原因及治理效果分析

Control and Treatment of Quicksand in a High-rise Residence of Taiyuan

太原某高层住宅楼流砂的控制与治理

Effect of Raw Materials on Performance of Resin Coated Sand

原材料对酚醛树脂覆膜砂性能的影响

The low maturity of sandstone components is low because of sedimentationand poor primary physical property of sandbody.

受沉积作用影响，砂岩成分成熟度低，砂体原始物性差。

The reasons of the sinking accidents frequently happened involving vessels being loaded with sands in the areas under the jurisdiction of Ningbo and control measures to be taken

宁波辖区运砂船装砂作业期间沉船事故频发的原因和防范对策

Burn off the old paint, fill any cracks in the woodwork, and rub down well with sandpaper.

烧去原来的漆，用填料填满木缝，再用砂纸擦光。

This article introduced the structure, working mechanism and application of jet flow sand washer.

介绍了射流洗砂装置的组成、作原理及应用情况。

Their interpretation of the original shape of the sand body is suspect.

他们对砂岩体原始形态的解释是靠不住的。

Analysis and Elimination of Sand Burning on Hydraulic Pump Case of Gray Cast Iron

液压泵壳体铸铁件粘砂的原因分析和对策

Study on the Effect of Balanced Fertilizer Application for Forage Maize in the Northwest Plateau of Hebei Province;

冀西北高原旱砂地青饲玉米平衡施肥效应研究