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- The air entrained concrete has the advantage of high impermeability and frost re sistance. 引气混凝土(加入引气剂的混凝土)较一般混凝土在保证强度下,具有抗渗及抗冻性高的优点。
- Freezing thawing durability of both ordinarily and air entrained concrete exposed to Xinjiang, Qinghai, Inner Mongolia and Xizang salt lakes were determined by the accelerated freezing thawing method. 用快冻法研究了普通混凝土与引气混凝土在水和西藏、内蒙古、新疆和青海盐湖卤水中的抗冻性。
- The phenomenon and the mechanism of air entrainment were discussed. 对气泡产生的现象及原因进行了描述、分析。
- Air entrainment in plasma jet and metal particle oxidation by the entrained oxygen were investigated numerically using a three-dimensional computational model LAVA-P-3D. 摘要为了研究等离子体射流中空气的卷吸和由此引起的金属粒子的氧化,建立了等离子体喷涂的三维计算机模型LAVA-P-3D。
- Influence of experiment condition on air entrained concrete 试验条件对引气混凝土性能的影响研究
- Additional, station of gas station, air entrainment is 20 years with the ground. 另外,加油站、加气站用地为二十年。
- Overflow weir is used to control water hammer and prevent air entrainment in long supply pipelines. 在长距离输水管路出口设置溢流堰可以有效控制水击和防止管路脱空。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- Hydraulics model is built by using similar theories, which simulates the process of air entrainment of tapping. 摘要利用相似原理建立水力学模型,模拟了出钢过程中注入流体卷入气体的过程。
- Air entraining milk wine is yellow and green in color with fine foaming and pleasant taste. 加气起泡奶酒色泽浅黄带绿,奶香、酒香、清雅舒愉,酸甜爽口,泡沫较细,有杀口感。
- The water surface falls before the flow point of air entrainment and then rises afterwards. 在掺气发生点以前,水面线沿程降低,掺气发生点以后,水面线沿程升高;
- Chanion H. Study of Air Entrainment and Aeration Devices[J]。IAHR, HydrRes 1989, 27: 56-57. 作者简介:聂孟喜(1945-),男,河南人,工学硕士,教授,研究方向:水工水力学,近海工程。
- Mainly applies for tankers in the gas station, the air entrainment station, the petroleum chemical i... 发布者:王坤烨所在地:山东青岛市行业:安全、防护职位:外销员工作年限:
- Hydraulics model is built by using similar theories,which simulates the process of air entrainment of tapping. 利用相似原理建立水力学模型,模拟了出钢过程中注入流体卷入气体的过程。
- Meanwhile, the influences of Super Retarder (SR) and Air Entraining Agent (AEA) on concrete workability,mechanical properties are studied here. 同时还研究了超缓凝剂、引气剂对混凝土工作性、力学性能的影响。
- Some special phenomena of flow do harm to the dams, so it is significant to study on it.The characters of air entrainment flow are shown in this paper. 高速水流会发生一些特殊的水流现象,严重影响建筑物的安全,因而对其进行研究是十分必要的。
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏,使得每个人都频频吸气。
- During the intermission, let's go out for some fresh air. 幕间休息时,我们出去呼吸呼吸新鲜空气吧。
- The air held a foretaste of a storm. 天气有要括大风的迹象。