Use UPDATE STATISTICS MEDIUM DISTRIBUTIONS ONLY if queries have non-indexed join columns or filter columns.
仅当查询中有非索引连接列或过滤列时，才使用UPDATESTATISTICSMEDIUMDISTRIBUTIONS。
The typical oil steam filter the adsorption medium is activated carbon, it can be compressed air of the oil on the surface of steam molecular intercepted.
典型的油蒸气过滤器所采用的吸附介质为活性炭，它可以将压缩空气中的油蒸气分子截获在其表面。
Micro sol particles can condense into greater droplet, and grew up until the flow to the fabric filter medium bottom and be ruled out.
微溶胶粒子可以凝结成更大的液滴，并逐渐长大，直至流向织物过滤介质底部而被排除。
The filter medium inside PGP type filter is a level filter plate, or a combination plate made up of the level filter plate and filter media of other shape.
PGP型号过滤机内部的过滤介质或是一块水平过滤板，或是水平过滤板与其他形状的过滤介质组合而成的组合板。
Particle filters should include (or pressure differential gauge display), so as to explain when should change the filter medium, when filter service life to also shall be replaced.
微粒过滤器应当包含差动压力表(或压力显示器)，借以说明何时应该更换过滤介质，当过滤器使用寿命到了也应当更换。
The pollutants can be fiber fabric medium, finally captured by blocking the filter medium, make through the fabric of the medium pressure drop increase.
这些污染物可被纤维织物介质所捕获，最后堵塞过滤介质，使通过织物介质的压降增加。
Use filter aid agent purpose: to prevent the filter medium passes jams, or reduce the filter cake resistance.
使用助滤剂的目的：防止过滤介质孔道堵塞，或降低滤饼的过滤阻力。
A regenerative experiment of the filter medium was made for the requirement of production.
为了结合实际工业生产的要求，对过滤介质进行了再生实验。
The spinning conditions which influence the dyeing evenness of polyester DTY including spinning temperature, filter medium, air cooling and the chips quality are investigated.
本文研究了纺丝温度、组件过滤介质、冷却吹风管理以及切片质量等影响DTY染色均匀性的纺丝工艺条件。
The technology of preparation of filter medium for liquid aluminium using high temperature alumina as main raw material and aluminium hydroxide as binder is introduced in detail.
详细介绍了用高温氧化铝为主要原料，氢氧化铝为粘结剂合成原料，制作铝液过滤介质的技术。
A group of mud additives specifically designed to lower the volume of filtrate that passes through a filter medium.
降低泥浆通过渗透介质时的滤失量的一种特殊泥浆添加剂。
This article describes the structure, principle of operation and experimental study of a new filter medium filter element of spiral coil.
本文介绍了新型过滤介质——螺旋线圈过滤芯的结构、工作原理及实验研究。
Please give indication of dimension, operating pressure. Filter element type, filter medium and pore size.
订货时请注明尺寸、操作压力、滤芯材质、过滤介质及过滤精度。
Filter medium is a fundamental part for filtration which is easily clogged in filtration process resulting in increase of medium resistance and poor performance of the filtration process.
过滤介质是过滤作业的基本部件，由于在过程中不断地被堵塞，介质阻力不断增加，过滤性能逐渐下降，以致于不能再继续使用。
When the dense net was used as filter medium for filter design, the porosity, as one of the important performance levels of the dense net, could not be found.
当它作为过滤介质进行过滤器设计时，查不到密纹网的一个重要性能指标—孔隙率。
Filter medium surface is very smooth, without any remaining corners.
过滤介质表面非常光滑，没有任何残留的死角。
Common gain equalizers include standard optical filter, medium multi-layer thin film filter, fiber grating, and planar waveguide.
现在使用的增益均衡器主要有标准光滤波器、介质多层薄膜滤波器以及光纤光栅和平面光波导等。
The filter medium is used for separating impurity from the fluid stream and is mounted on a support body centrally.
此过滤介质用于将杂质从流体流中分离，并且被中心地安装在支撑体上。
The separator is provided with a filter medium located between a soleplate and a top plate.
这种分离器具有位于底板和顶板之间的过滤介质。
Introduce the way of getting additional melt filter on VC406A spinning machine. Discussions are made on the structural design, the filter medium and static mixer.
介绍了VC406 a纺丝机增添预过滤器技术改造的方法，对结构的设计、滤材的选择以及静态混合器的设置做了详细的探讨。
The curves of the relation between efficient value of fibre filter medium, resistance and other variables have been plotted based on the air filtration theories and theoretical calculations.
本文还依据空气过滤理论，进行了大量的理论计算，绘制了关于纤维型滤料的效率、阻力和各有关因素之间的关系的曲线。
Trough the test, some filtration curves under the different technological conditions are obtained; and the resistance of filter cakes and filter medium are calculated.
通过试验，获取了不同工艺条件下的过滤曲线，并求得了滤饼比阻和工作介质阻力。
Fabricating filter medium by LIGA can improve its mechanical intensity and performances, reduce its flow resistance and enhance its regeneration capability.
将LIGA技术的这些优点充分用于过滤介质的制作中，能改善过滤介质的力学强度、机械性能、流阻大小、可再生性等过滤性能。
The filtration performance of dynamic rotary-vane filter press is introduced. The effects of the resistances of filter medium and filter cake on the calculation of the filtration rate are discussed.
本文介绍了动态旋叶压滤机的过滤特性，讨论了过滤介质阻力和滤饼阻力等因素对计算旋叶压滤机过滤速率的影响。
Milti - medium filter: filter the solid suspend thing use the anthracite, quartzite filter medium.
多介质过滤器：用无烟煤、石英砂过滤介质去除水中的固体悬浮物。
For the surface layer filtration, the filter medium will have long service life, and chemical regeneration will not be frequently used.
表层过滤，过滤介质使用寿命长，化学再生的使用频率少。
Please give clear indication of Dimension, operating pressure, filter type, filter medium and pore size.
货时请注明产品尺寸、操作压力、滤芯材质、过滤介质及过滤精度。
The filter medium selection and element configuration and arrangement were introduced in detail. As the component of polymer filter, their importance was emphasized.
详细介绍了熔体过滤器过滤材料的选用、过滤单元的结构设计和过滤单元的布置，强调了它们在熔体过滤器中的重要性。
A cellulose acetate solution is filtrated with a filter medium formed of cellulose fiber.
采用由纤维素纤维形成的过滤介质过滤乙酸纤维素溶液。
The filter medium (100) is employed with double wall, concentric tube type strainer modules (16).
过滤介质(100)与双壁、同心管状各过滤模块(16)一起使用。
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