Aiming at the problems exiting in grain classification at present, a vertical multistage waterpower device was developed to realize abrasive narrow-grade-classification.
本文主要针对目前磨料微粉分级存在的困难，自行研制了垂直式多级水力分级装置来实现磨料微粉的窄粒级分级。
Nanjing sand is anisotropic because of the schistous grain. Its horizontal strength is greater than that in vertical.
片状颗粒成分使得南京砂具有各向异性的性质，其水平向强度小于垂直向强度。
In the vertical heterogeneous reservoir, the alcohol-induced salt grain could elevate the fluid flow resistance, increase the injection pressure and change the flow direction.
对于纵向非均质油藏，醇诱导后的盐结晶颗粒能使油流动阻力增大，压力上升，流动转向。
The ventilation system with the vertical ventilation ducts was used in the sealed bulk grain in large warehouses.
采用垂直径向通风系统对大型房式仓密闭散装粮通风27h。
The results show that because of the effect of account of vertical fluctuating velocity, the trajectories of sand grain involving the effect are differ obviously from that not involving the effect.
结果表明，由于沙粒垂向脉动速度的影响，沙粒的轨迹与不考虑其垂向脉动速度的情形存在明显不同。
The grain refinement begins from the center ellipsoidal zone, and then gradually expands to the vertical edge zone and conical contact zone.
细化首先开始于易变形区，再相继扩展到纵向棱边区和接触锥形区。
Introduced the main storage types of grain intermediat depots, analysed the proper scope of use of steel silos and reinforced concrete silos, made a comparison between vertical silos and squat silos.
介绍了粮食中转库的主要仓型，分析了钢板立筒仓与钢筋混凝土立筒仓的适用范围，综合比较了立筒仓和浅圆仓的优缺点，推荐立筒仓为港口粮食中转库选择的较佳仓型。
In order to simplify structure of drier and save energy, the vertical-box-type grain drier heated by far infrared inside was designed.
为了简化烘干机的结构，节约能源，设计了竖箱式远红外谷物烘干机。
The smaller the dust grain size, the higher the vertical displacement of dust grain due to electrostatic levitation on the same environmental condition.
随着粒径的减少，月尘颗粒的最大浮扬高度不断增加。
The smaller the dust grain size, the higher the vertical displacement of dust grain due to electrostatic levitation on the same environmental condition.
随着粒径的减少，月尘颗粒的最大浮扬高度不断增加。
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