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huangguaha木蟲之王 (文壇精英)
我不是我
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[求助]
9.5,謝謝~~
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9.5 Various Designs for Cylindrical Specimens: 9.5.1 A number of off-the-shelf devices may be suitable for forming crevices on cylindrical specimens; examples include, O-rings, packings, nylon ferrule and sleeve type compression fittings, PVC compression fittings with rubber glands, plastic or nylon hose clamps, etc. 9.5.2 Crevice formers have also been fashioned from cut lengths of flexible vinyl type or rubber tubing to form sleeves which can be snugly fitted to the specimen outer surface. 9.5.3 The use of pipe and/or tubing samples with the above mentioned sleeves and compression fitting can facilitate testing under dynamic flow conditions. This can be accomplished by using the devices to join, end-to-end, a series of specimens in a continuous line or loop. Additional clamping may be necessary. 9.5.4 An attempt should be made to minimize variability by selecting test specimens with common dimensions, and by sizing the crevice former to approximate the specimen OD. |
木蟲之王 (文壇精英)
鐵桿木蟲 (正式寫手)
obscure nacissus
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9.5 柱狀樣品的多樣設計 9.5.1 已有成品設備能在柱形樣品上造成裂縫;例子包括 O型環(huán)、包裝、尼龍圈和套筒型壓縮裝置、帶有橡膠封蓋、塑料或尼龍水管夾等的PVC壓縮裝置。 9.5.2 切短柔軟乙烯或尼龍管形成可緊密貼合樣品外表面的套筒,這一辦法也已用來塑形裂縫。 9.5.3 在動態(tài)流動情況下,使用水管和/或帶有上述套管和壓縮裝置的管樣可是測試變?nèi)菀。在連續(xù)管或環(huán)中使用連接裝置、銜接和一系列樣品能完成測試。附帶的夾子也可能是需要的。 9.5.4 我們需要做的還有通過篩選一般規(guī)格的樣本,通過修整縫隙以接近樣本外直徑,來使變量降到最少。 |

鐵桿木蟲 (著名寫手)
Farmer

木蟲之王 (文壇精英)
我不是我
木蟲之王 (文壇精英)
我不是我
鐵桿木蟲 (正式寫手)
obscure nacissus

木蟲之王 (文壇精英)
我不是我
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