Coarse and uniform sand, as filtering material, could prevent filtering material loss and agglomeration.
粒径较粗且均匀的河沙滤料的使用，避免了滤料的大量流失和滤料结块。
We found that the uniform sand didn't present SOC and the non-uniform system showed SOC in our experiments.
我们在实验中发现大规模均匀沙不呈现SOC，而大规模的非均匀沙呈现SOC。
The test results showed that: two-step air impactmoulding process can achieve the moulds with high and uniform sand compaction;
前言：研究表明：双冲击造型可以大大提高砂型紧实度及其均匀性；
The thicker the sand bed, the non-uniform sand composition, then the larger armouring effect would be and the larger this critical size is correspondingly.
床沙越粗、组成越不均匀，粗化作用越大，这一临界粒径也越大。
A method is proposed for calculating the bed suspended load ratio of transport rate both uniform and non uniform sand in coast sediment movement as well as for calculating that of channel deposition.
提出了海岸泥沙运动中均匀沙和非均匀沙输沙率推悬比和航道淤积推悬比的计算方法。
In order to obtain the expected sand cooling and humidifying effect, requiring sand in the boiling bed to flow in uniform.
为使型砂获得预期的冷却和增湿效果，要求型砂在沸腾床上均匀的流动。
Sand blasting can make the metal workpiece with uniform is ecru, make workpiece appearance more beautiful, achieve beautification adornment effect.
喷砂清理能使工件露出均匀一致的金属本色，使工件外表更美观，达到美化装饰的作用。
Natural sand color is very easy to find, so the requirements of the factory's products to retain the color, uniform mixing.
天然彩砂色差很容易发现，所以要求出厂的产品要保留色样，统一搅拌。
A new type of uniform dual media anthracite - sand filter is firstly proposed in this paper.
首次提出了新型煤——砂双层均匀滤料滤池。
Uniform quartz sand media is one of the main media in present filtration technology application.
均质石英砂滤料是当前国内水厂过滤技术应用的主要填料之一。
Based on the microscopic field data of liquefaction it is pointed out that non-uniform settlement of building is the primary type of damages caused by sand liquefaction during earthquake.
基于宏观液化震害资料文中指出，砂土地震液化造成的主要破坏形式是建筑物的不均匀沉降。
The seepage and boiling of sand on the uniform isotropic gravel base of dam can be reduced to completely penetrating well and nonpenetrating well model.
均质各向同性砂砾石堤基渗漏涌砂可归纳为完整井和非完整井模型。
Study on the performance of filtration by uniform quartz sand media;
分析了影响熔喷非织造布过滤性能的主要工艺参数。
Study on the performance of filtration by uniform quartz sand media;
分析了影响熔喷非织造布过滤性能的主要工艺参数。
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