您要查找的是不是:
- The purpose of this paper is to solve the problem of high water cement ratio during construction and low water cement ratio during solidification. 摘要目的通过将电渗技末引入到混凝土施工过程,解决混凝土工程中施工要求的大水灰质量比与使用性能要求的小水灰质量比之间的矛盾问题。
- Factors affecting the filtering and fluidity of filtering concrete such as water cement ratio,quantity of cement and quantity of fly ash are analyzed. 研究分析了水灰比、水泥用量、粉煤灰掺量等因素对滤水混凝土的流动性和滤水量的影响。
- Effects of cement quantity, hydration temperature, cement fineness, water cement ratio, gypsum addition and hydration time on the particle weight of cement were studied. 通过研究水泥称量、水化温度、水泥细度、水灰比、石膏掺量和水化时间对结粒量的影响,探讨了该检测方法的可行性,并计算了结粒量的标准偏差。
- In this paper, all factors effecting cement permeability are anglicized first, such as water cement ratio, cement grain diameter porosity, cement type and permeabiliuy increaser. 分析了影响水泥石绝对渗透率的各种因素,包括水灰比、颗粒半径、孔隙度、水泥类型和增渗剂等。
- Utilizing the electric double layer produced by hydration of cement to gather in superfluous water at negative electrode and reduce the water cement ratio of solidification by using electroosmosis technology. 方法采用电渗技术,利用水泥水化产生的双电层的导电性能,使混凝土中的多余水分向阴极聚集,以减少混凝土的凝结水灰质量比。
- Electroosmosis technology can solve the problem of high water cement ratio during construction and low water cement ratio during solidification effectively so that have expansive application prospect. 结论电渗滤水混凝土技术能有效地解决混凝土的大水灰质量比施工、小水灰质量比固化的矛盾,有重要学术价值和广阔的应用前景。
- The hydration degree of Portland cement under the condition of low water cement ratio was tested,and the microstructure of hardened cement paste was studied by means of XRD and SEM. 研究了低水灰比硅酸盐水泥的水化程度,并利用XRD和SEM分析了硬化水泥浆体的微观结构。
- Hydrated performance and microstructure of portland cement with low water cement ratio 低水灰比下硅酸盐水泥的水化性能和微观结构
- Influence of Water Cement Ratio and Mineral Admixture on the Pre-saturation of Concrete Tested by the CDF Method 影响道路混凝土受冻前盐溶液预饱和程度的重要因素
- Study on effect of compressive strength of recycled aggregate concrete with water cement ratio 水灰比对再生混凝土强度影响的试验研究
- Research on portland cement hydration and mechanical properties of PRC low water cement ratio system PRC低水胶比体系硅酸盐水泥水化特性与力学性能研究
- low water cement ratio 低水灰比
- free water cement ratio 自由水灰比
- DescriptionA high performance sunscreen offering maximum water & sweat resistance.Provides very high UVA/UVB broad spectrum.Non-greasy skin feel. 产品介绍:这种高效能的遮光剂不仅提供最好的防水防汗功能还可阻挡A,B紫外线强光光谱,无油腻感。
- water cement ratio 水灰比
- The maximum water holding capacity of litters and moss in the Abies fabri forest can reach 3 93 mm, and the effective maximum water holding capacity can reach 3 23 mm. 贡嘎山东坡峨眉冷杉林内地表地被物的一次性最大持水量可达3 .;93mm;即使有效持水量也可以达到 3
- In addition,water quantity of concrete is bigger,plastic shrinkage of concrete is bigger when water to cement ratio is invariable. 通过试验研究了混凝土用水量、水灰比等混凝土配合比参数对混凝土塑性收缩的影响。
- This year,a serious flood occurred in the Taihu Lake Basin,with the maximum water level reaching 5.08m,0.29m higher than the record level in 1991. Integrated harnessing projects in Taihu Lake basin played an important role. 今年太湖流域发生了特大洪水,太湖最高水位达到5.;08米,超过1991年的历史最高水位0
- This year, a serious flood occurred in the Taihu Lake Basin, with the maximum water level reaching 5.08m, 0.29m higher than the record level in 1991. Integrated harnessing projects in Taihu Lake basin played an important role. 今年太湖流域发生了特大洪水,太湖最高水位达到5.;08米,超过1991年的历史最高水位0
- Influences of water to cement ratio(W/C) and cement content on concrete cubic compression strength are analyzed in detail based on experimental results. 采用区组完全试验设计,研究了水灰比和水泥用量对混凝土立方体抗压强度的影响作用。