Such as sand not clean (mud high content), sand the fineness modulus too high or too low, also can make the strength of concrete is reduced, and the water increased.
如砂石不干净(泥含量较大)、砂的细度模数过高或过低等，也会使混凝土强度降低、泌水性增加。
Peat layer contains sand, containing not yet fully decomposed plant leaves, and a high content of organic matter.
泥炭层中含有泥沙，含有尚未完全腐烂的植物枝叶，有机物质含量极高。
Unconsolidated sand reservoir always be buried not deep, because of it's low cementation and high content of clay and sundry, the unconsolidated rock is easy to sanding during exploitation.
疏松砂岩气藏由于埋藏较浅、岩石胶结性差，并且粘土和杂基含量高，使得这类气藏在开采过程中容易出砂。
The former has high sand content, the latter is chiefly silt.
前者砂粒组含量较高，后者粉粒组为主要。
The measures to prevent nitrogen blow hole caused by high nitrogen content of resin sand are: adopting low nitrogen resin, adding iron oxide into sand or coating and keeping resin from moisture.
防止树脂砂含氮量高引起的氮气孔的方法是：选用低氮树脂、型砂或涂料中加入氧化铁粉和避免树脂受潮。
A part of fly ash might be replaced with stone powder in high-paste RCC, but the content of stone powder in crushed sand should be not more than 20%.
所以，在富胶凝材料碾压混凝土中可以用石粉取代部分粉煤灰，但人工砂中的石粉含量不宜超过20%。
High performance mineral polymer can be prepared while the content of sodium silicate in the alkaline liquid and the standard sand in the solid materials are both kept around 70%.
硅酸钠水玻璃在液相中的比例约为70%，且标准砂占固相的比例为70%左右时，可制得力学性能良好的矿物聚合材料。
The results showed that coastal soils had low organic matter, high electrical conductivity and sand content, and some soil properties changed with reclamation years.
土壤理化性质分析结果表明海涂土壤总体有机质含量低，电导率和含砂量高，并且随着围垦时间的增长呈现出规律性的变化。
If medium temperature is high or sand content is high, the seals have special requirement, please contact with VANO.
如果介质的温度高或含沙量高，对密封件有特殊的要求，请及时联系VANO。
The self-cyclone de-sander is developed for treatment of sand problems in high sand content well.
针对高含砂油井存在的砂埋柱塞、砂卡泵和漏失严重等问题，研制了自旋式防砂泵。
A digital signal processing way is established to obtain ultrasonic signal frequency shift in the test of high sand content fluid flow.
笔者采用数字手段去测取超声波信号的频差，通过频差法可得出流体的平均速度，进而获得高含沙量流体的流量。
However, sand content of crude oil is very high by using cold sand mining, which brings on great challenge to surface gathering equipment is brought.
但是，出砂冷采采出的原油含砂量较大，对油田地面集输设备带来了更大的难题。
Digs the sand with my factory production's WST series to choose the pontoon, your daily income continues Was 3000, because some iron content high place date income already surpassed ten thousand Yuan.
用我厂生产的WST系列挖沙选铁船，您每天的收入就不止是一千两千了，因为有的含铁量高的地方日收入已经超过万元。
High carbon content of iron castings and defects of incompact structure and a great deal of sand holes on the surface of iron castings make it difficult for electroplating.
铸铁件含碳量高，结构疏松、表面有大量砂眼等缺陷，增加了电镀的难度。
High carbon content of iron castings and defects of incompact structure and a great deal of sand holes on the surface of iron castings make it difficult for electroplating.
铸铁件含碳量高，结构疏松、表面有大量砂眼等缺陷，增加了电镀的难度。
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