1) U shape air leakage area
U形漏风通道
2) air-leaking Passage
漏风通道
3) U type ventilation
U型通风
1.
This paper illustrates the advantages of U type ventilation system used in actual mining face and analyses the reasons of spontaneous combustion occurr ed in gob area.
论述了回采工作面采用U型通风系统的优点 ,分析了引发采空区自燃发火的原
4) Ushaped roller way
U形辊道
5) U-shaped canal
U形渠道
1.
Systematic experiments on the U-shaped canals with 12 different contraction ratios for measurin.
该文提出了一种仿真机翼形状的渠道量水设施,在U形渠道中通过12种量水槽收缩比进行了系统的组合试验,试验结果表明:该量水槽过流顺畅,水头损失小,试验数据资料表现出极好的相关性,相关系数为R2=0。
2.
The simplified calculation of cross-section gauging flow which follows Prandtl\'s exponential distribution law is presented for miniature U-shaped canals based on the practice from the interior control of irrigation water in Ningxia WUA and some gauging flow cross-sections are established on miniature U-shaped canal by irrigation projects and maintenance of agricultural comprensive development.
针对宁夏项目区农民用水协会(WUA)组织内部实施量水到户遇到的实际问题,考虑到农业综合开发田间配套工程中已在农渠等小型U形渠道上修建了部分用于渠道量水的标准断面,提出了流速服从紊流型态的普朗特指数分布规律的小型U形渠道断面测流的简化方法以及相应的断面流量计算公式。
6) U-shaped channel
U形渠道
1.
The hydraulic and structure properties of U-shaped channel s section are attractive.
U形渠道断面水力和结构性能优越,是渠道输水工程中较常采用的断面形式之一,水力计算中的正常水深、临界水深求解无显函数形式的表达公式。
2.
This article introduced the inference of the optimal hydraulic section,the radius selection of circular bottom and the height of vertical side,as well as the hydraulic calculation of a U-shaped channel.
介绍U形渠道水力最佳断面的推求,断面底圆半径与上部直立段高度的选取,以及泄流量的计算方法。
3.
Parabolic mobile measuring weir plate and portable flow measurement flume are two types of water-measuring device for small-sized U-shaped channel flow measurement in irrigation district.
抛物线形移动式量水堰板和便携式量水槽是针对小型U形渠道测流而提出的量水设备,具有使用方便,结构简单等优点。
补充资料:漏风
漏风
漏风 古病名。又名酒风。因酒后感受风邪所致。《素问·风论》:“饮酒中风,则为漏风。”《备急千金要方》卷八:“因醉取风为漏风,其状恶风多汗,少气,口干善渴,近衣则身如火烧,临食则汗流如雨,骨节懈惰,不欲自劳。”《张氏医通·杂门》:“漏风之状,多汗,常不可以单衣,食则汗出,甚则身汗,喘急,恶风,衣常濡,口干善渴,不能劳事,先宜五苓散热服取汗,后与黄芪建中加白术、泽泻。”亦可用泽泻散、白术散、漏风汤等方。参见酒风条。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条