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- For the dangerous sites with explosive dust mixture:11division. 爆炸性粉尘混合物危险场所:11区。
- As the latex addition increases, the compressive strength of cement stone is reduced, and the fle... 自行设计了一套测定水泥石胶结强度的装置,实验证明所提出的测定方法是可行的。
- The organic solvents of trichloroethylene, hexane, dichloroethane and benzene as well as stone dust are high risk factors of occupation hazards. 三氯乙烯、正己烷、二氯乙烷和苯等有机溶剂以及宝石粉尘属于职业病危害高风险的有害因素。
- The higher the calcination temperature, the lower the strength, and the higher the free linear expansion rate of cement stone is. 保温时间越长,水泥石的膨胀率越大,强度越低;
- In this paper, parameters to evaluate the dynamic mechanical property of oil well cement stone are determined to be elasticity modulus aod crashing absorption energy. 确定了水泥石的动态力学性能评价参数为水泥石的弹性模量和水泥石的破碎吸收能。
- The tests show part of the waste stone dust instead of sand can improve workability of mortar, reduce mortar contraction and increase compression strength.It is of advantage for constru... 试验表明,废石粉部分取代砂,可以改善砂浆的和易性,减少砂浆收缩,提高抗压强度并有利施工。
- With the early frostbiting and its principle, it is concluded that freezing resistance of concrete during early setting process has much relevance to the formed microstructure of cement stone. 从混凝土的早期冻害及机理入手,得出了硬化初期混凝土的抵抗冻害与水泥石微观结构形成有密切关系。
- Repair and application of cement stone wall 胶泥石墙的维护与应用
- Effect of Na_2SO_4 on properties of Cement stone Na_2 SO_4对水泥石结构与性能的影响
- Concrete is made of cement, sand, stone and water. 混凝土是由水泥,砂子石头和水混合做的。
- Application study on waste stone dust in commercial mortar 废石粉在商品砂浆中的应用研究
- Theoretical computation and testing results of asphalt and mineral dust mixture 沥青与矿粉加量的理论值与实测值
- The application analysis of stone dust in the construction mortar 石粉在建筑砂浆中的应用
- Law of silica powder influence on cement stone strength development 硅粉对水泥石强度发展影响规律
- Concrete is a mixture of sand and cement. 混凝土是沙和水泥的混合物。
- Plasticity Improving of Cement Stone and In-house Evaluation Method 改善油井水泥石塑性及室内评价方法研究
- A cement mixture used to waterproof outer walls. 涂料一种用于外墙防水的水泥混合物
- Pore Structures of Cement Stone Containing Slag or Fly Ash 含粉煤灰或矿渣水泥石的孔结构
- A stone hit the car and damaged the paintwork. 有个石子击到汽车上,打坏了漆面。
- Efficacy of Sendebao, a Dust Mixture of Bt and Abamectin, against Ceracris kiangsu Tsai. In the Forest 森得保林间防治黄脊蝗虫的药效试验