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- Oolite lime sand packs naturally with 40% porosity because the particles are essentially spheroids. 自然堆积的灰质鲕粒砂具有40%25的孔隙度,因为其颗粒其本上都是球状的。
- The test results show that the drawing interval of 1.5 m is helpful for controlling dead-unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top-coal. 试验结果表明,放煤步距采用三采一放有利于控制顶板极松散细砂岩,降低放出顶煤的含砂率。
- The factors which affect early age cracking were studied such as curing methods,workability,sand ratio and modulus of sand. 探讨了养护条件、混凝土工作性能、砂率以及砂的细度模数等因素对混凝土早期开裂的影响,并提出了减少、避免开裂的相应措施。
- Therefore, the optimization of the cement sand ratio of the filling body of Anqing Copper Mine is a very complex problem of nonlinear combined optimization. 因此,安庆铜矿充填体灰砂比的优化是一个十分复杂的非线性组合优化问题。
- Causes and control for cracking of lime sand brick wall 灰砂砖墙体裂缝的成因与控制
- Preparation and application of special mortar for lime sand brick 灰砂砖专用砂浆的配制与应用
- Research on sand ratio of modified asphalt mixture 对改性沥青混合料中砂率的研究
- Test and study on mountain sand autoclaved lime sand brick 山砂蒸压灰砂砖试验研究
- To reduce the filling cost,various cement sand ratios are used at different heights for the tailings consolidated filling body in Anqing Copper Mine. 为了降低充填成本,安庆铜矿尾砂胶结充填体在不同的高度采用了不同的灰砂比。
- Developing course of autoclaved lime sand brick and existing problems in China 我国蒸压灰砂砖的发展历程与存在问题
- We may burn limestone to obtain lime. 我们可以通过烧石灰石来得到石灰。
- Development and application of high pressure steamed lime sand porous brick 蒸压灰砂多孔砖的研制及应用
- He added some water into the lime. 他往石灰里加了些水。
- Keywords sand ratio;displacement;pulse;sensor;densimeter; 砂比;排量;脉冲;传感器;密度计;
- Ouch! The sand is so hot! I can burn my feet. 哎哟!沙子这么烫!会烫伤脚的。
- The sand blew into the food and made it gritty. 砂吹进食物中,里边尽是砂子。
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- Glass is made from sand and lime. 玻璃是由沙和石灰制成的。
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- The sun blazed down on the sand. 阳光强烈地晒在沙滩上。