Research on the Influence of Compound Admixture on Main Performance of Crushed Sand Concrete 复合外加剂对石屑混凝土主要性能的影响研究亚长石质岩屑砂屑岩
Study on Reclamation and Recycling Use of α-Starch Compound Binder Bonded Sand for Green Mold 湿型用α淀粉复合粘结剂砂的回用性研究
Experimental Research on Physical and Kinetic Characteristics of the New Compound Sand Made from Plastic 新型塑料合成沙物理和运动特性试验研究
The static, dynamic and industrial experiments showed that ideal results could be achieved when a kind of complicated, extremely fine flotation tailing slurry was thickened by using a compound flocculant named Xn in a vertical sand tank. 通过静态、动态以及工业试验,研究了复配絮凝剂Xn处理成份复杂、浓度波动大、粒度极细的浮选尾泥浆的效果。
By using the three-dimension finite element method, this paper studies the vertical load capacity of the compound pile in the loose sand. 对于竖向承载复合桩基,利用三维有限元数值模拟技术对其承载能力进行分析。
Removing phenol compound by manganese sand surface change 锰砂表面改性去除酚类化合物的研究
This study showed that the application effect of sewage sludge compound fertilizer on the growth of winter wheat by using different quantity in sand quality soil and different prescription compound fertilizer. 通过在沙质土壤中施用不同量及不同配方的复混肥,进行了城市生活污水污泥复混肥在冬小麦生长中的应用效果研究。
Outer-wall Coatings Lessening the Content of Nitrogen Oxide Compound in the Air The Design and Manufacture of Spraying Sand for Removing Rust Operative-line of the Outer-Wall of Steel Pipe 可消减大气中氮氧化物含量的外墙涂料钢管外壁喷砂除锈作业线的设计与研制
Effect of curing temperature, curing time, resistance to media, kind and volume of the sand-laden fluid, and particle size of proppant on fibre compound sand control system were discussed. 探讨了固化温度、固化时间、耐介质性、携砂液的种类和用量以及支撑剂粒径等对纤维复合防砂体的影响。
Research& design of flexible compound reclaimer for used water glass sand 柔性复合式水玻璃旧砂再生机的研究与设计
Feasibility Analysis of Hot Method Reclamation Compound Resin Sand 混合树脂砂热法再生的可行性分析
< 2> There is a long and deep cut section where the highway across a high compound sand ridge. <2>在路线穿越高大的复合型沙垄时,垄体的上部与顶部一般会出现较长较深的挖方路段。
The additional quantities of new sand and starch were determined by placing thermocouples in starch mold to measure its temperature distribution. And the change in properties of α-starch compound binder bonded sand was investigated under repeated use. 在淀粉砂型中埋置热电偶测定铸型内温度分布,确定了新砂及淀粉补加量,并研究了α淀粉复合粘结剂型砂在回用过程中的性能及其变化。
Identification of Single Channel in Compound Sand Body 复合砂体中单一河道的识别方法
Deformation and Mechanical Behavior of Compound Soil-nailed Retaining Wall Used in the Ground with Flow Sand 流砂地层中复合土钉墙的受力及变形性状
A case study of compound foundation supported by sand and oval stone piles 某卵石砂桩复合地基工程实例
Investigation on Using Compound Carbon Powder as Substitute for Coal Dust in Green Sand 复合碳粉代煤粉在型砂中的应用研究
A Study on the Application of α starch Compound Binder in Molding Sand α淀粉复合粘结剂在型砂中的应用研究
The best substrate for living and growing of tissue culture seedling is compound of vermiculite, plant ash and sand ( 2 ∶ 2 ∶ 1), and the survival rate reaches 98%. 蛭石+草炭土+河沙(2∶2∶1)是组培苗成活及生长的最适基质配比,成活率达98%。
The active content of compound carbon powder in mould sand should be kept in the range of 0 9%~ 1 1%. 复合碳粉在型砂中的有效含量应控制在09%~11%;
This paper mainly reports the experimental study that containing phenol compound in edible water is got rid of with manganese sand surface change. The rate of removing the phenol is 99%. 本文叙述了锰砂表面改性(以下简称旧锰砂)处理含酚饮用水的实验研究,陈酚率可达99%。
Construction of Compound Carrier Punner Enlarging Piles in Saturated Sand Clay 复合载体夯扩桩在饱和砂土中的施工
Continuous constant temperature incubations were adopted to research the effect on nutrient release characteristics of two neutral compound slow release fertilizers ( SRF_1 Inorganic-organic, SRF_2 Inorganic) by sand soil pH. 采用连续恒温培养研究了30℃条件下砂质酸性、中性土壤对2种不同剂型中性缓释复合肥养分释放特性的影响。
Compound Molding in Sand-Casting 砂型铸造中的复合造型方法
Secondly, by contrast experiments, the influence of compound admixture on main performance of crushed sand concrete was analyzed, and the microstructure of the concrete was explained by means of SEM. 其次,通过对比试验分析了复合外加剂对石屑混凝土主要性能的影响,并通过扫描电镜(SEM)分析了其微观结构;
At the aspect of long-term properties, compound admixture would enlarge the early dry shrinkage of crushed sand concrete, so the concrete curing should be early enhanced; 长期性能方面,复合外加剂会不同程度地加大石屑混凝土的早期收缩,所以需加强石屑混凝土的早期养护;
Effect on Nutrient Release Characteristics of Neutral Compound Slow Release Fertilizer by Sand Soil pH 砂质土壤pH对中性缓释复合肥养分释放特性的影响研究
At the same time, the influence of different models and quantity melamine compound aditives to strength of cement bonded sand prism and concrete prism is further discussed. 进一步探讨了不同类型和掺量的三聚氰胺复合型外加剂对水泥胶砂和混凝土强度的影响。
Application of compound foundation with sand pile method 砂石桩法复合地基的应用