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。
A practical method of removing image noise with medium value filter was put forward.
提出了利用中值滤波法消除图像噪声的实用方法。
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。
Relative bandwidth is a key specification for the medium bandpass infrared filter, which depends on the film structure and its design.
相对带宽是红外中带滤光片重要的指标,主要取决于光学薄膜的膜系结构和具体设计。
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。
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。
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。
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。
When the biological filter bed is stably treating with domestic wastewater, shapes of biofilm and distributing characters of microorganism species on the external of medium were studied.
研究了生物渗滤床处理生活污水稳定运行时介质表面的生物膜形态和微生物种群分布特征,分析了生物膜及微生物种群的空间变化规律。
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。
Hydroxyl groups on the filter medium are substituted to other functional groups.
将过滤介质上的羟基取代为其它官能团。
The filter medium is crimped down to the support tube at opposite ends thereof and then welded to the support tube at the crimped regions.
所述过滤器介质在所述支撑管的相反端向下弯曲到所述支撑管,并且在之后在弯曲区域处焊接到所述支撑管上。
Compressed filtering was made in the cylinder that depends on filtering cores as the filter medium.
它是依靠滤芯作为过滤介质,在密闭容器内进行加压过滤。
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。
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。
The technology of dry gas cleaning with filter bag is widely used for cleaning system of small and medium BFs, which is continuously modified and renewed in practice.
高炉煤气干法滤袋除尘工艺在中小型高炉煤气净化系统中被广泛应用并在实践中不断地改造和更新。
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。
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。
A particulate filter cartridge has a woven metal fiber filter medium surrounding a perforated support tube.
一种颗粒过滤器滤筒,具有环绕穿孔的支撑管的织造金属纤维过滤器介质。
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。
LY - 80 type frying oil filter designed for medium and large enterprises and Fried food.
LY-80型煎炸油过滤机专为中、大型油炸食品企业而设计。
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。
The utility model relates to a filter core for filtering gas or liquid, which is suitable for welding filter core or bonding filter core made of fiber sintered felt or weaving wire mesh filter medium.
本实用新型涉及一种气体或液体过滤所使用的滤芯,适用于采用纤维烧结毡或编织丝网滤材制成的焊接或粘接滤芯。
This algorithm can overcome the deficiency both in the mean value filter and the medium value filter. It is competent anywhere the mean value filter and the medium value filter can"t work."
而且该算法能够克服均值滤波和中值滤波的不足,在均值滤波和中值滤波无法胜任的领域仍能大显身手,展现出良好的适应性和高效性。
The medium value filter of image was realized with MATLAB software system.
使用软件工具MATLAB快速地实现了图像的中值滤波。
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 obtained empirical equation can be used for evaluating the air permeability coefficient of the metal fiber filter medium with gradient pore size.
所得到的经验方程可用来估算多层金属纤维滤毯的透气系数。
To aim at this problem, this paper has proposed a new filtration medium - ceramics filter.
本文是针对石英砂的这一缺陷提出了一种新型过滤介质——陶瓷滤料。
To aim at this problem, this paper has proposed a new filtration medium - ceramics filter.
本文是针对石英砂的这一缺陷提出了一种新型过滤介质——陶瓷滤料。
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