Stabilization treatment process of standard type steel stranded wire for epoxy resin-coated steel stranded wire 环氧树脂涂层钢绞线用标准型钢绞线稳定化处理工艺
Preparing Green Molding Sand by Using Returned Sand Containing Collapsed Resin-Coated Sand 用混有溃散覆膜砂的旧砂配制湿型砂
The surface defects formation mechanism of steel castings produced with resin-coated zircon sand mould was described, and their prevention measures were discussed. 论述了锆砂覆膜砂铸钢件表面缺陷的形成机制,就该缺陷的防治措施进行了探讨。
Clinical Evaluation of Resin-Coated Gutta-Percha Cones and a Dual-Cured, Hydrophilic Methacrylate Resin-Based Root Canal Sealer 树脂包覆牙胶与双重聚合亲水性甲基丙烯酸酯树脂根管封闭剂的疗效观察
The experiments showed that the thermorheologic properties depended on the softening point and molecule structure of resin and had a obvious influence on the coating quality of the resin-coated sand ( RCS). 通过试验,得出了树脂的热态流变特性与树脂的软化点、分子结构相关,并对覆膜砂的覆膜效果有很大的影响。
Effect of Resin-coated Urea on Yield and Quality of Tomato Fruits in Sunlight Greenhouse 树脂包膜尿素对日光温室番茄产量及品质的影响
The resin-coated sand lined permanent mould casting process was adopted to increase density and dimensions accuracy of castings. 为提高铸件致密度和尺寸精度,采用覆砂铁型铸造工艺。
ZFS-Y Series Resin-coated Sand for Aluminum Alloy Casting 易溃散覆膜砂在铝合金铸造中的应用
The Application of Resin-coated Sand in Low-alloy Steel Housing Castings 覆膜砂在低合金钢箱体铸件中的应用
On the Properties of Resin-Coated Sands for Shell Moulding 壳型用覆膜砂性能的研究
Theory of screenless fiber resin-coated sand complex fine-silty sand control 纤维复合无筛管防细粉砂理论研究
The synthesis process of the modified resin, production process of resin-coated sand, and test methods of properties of resin as well as resin-coated sand were introduced. 介绍改性树脂的合成工艺,覆膜砂的生产工艺,树脂性能及覆膜砂性能测试方法。
Renovation of Main Technology and Equipment About Resin-coated Sand Moulding Line for Large Cast Steel Shop 大型铸钢车间树脂砂改造主要工艺及设备选型
The mechanisms of their deformation-crack phenomena at ambient and high temperatures are discussed and it is pointed out that the thermal stability of resin-coated sand is of primary importance to the dimensional accuracy of shell mould casting. 文中还分析了覆膜砂在常温和高温下的变形&断裂机理,指出其热稳定性是影响壳型铸件尺寸精度的首要因素。
The resin-coated sand can consolidate with the phenolic resin as an external curing agent and the properties of consolidated specimens can satisfy use requirements. 涂覆砂可以在酚醛树脂作为外固化剂的情况下固结,其性能满足使用要求。
A Discussion on Some Technical Problems of Resin-Coated Sands for Shell Mould Casting 壳型铸造用覆膜砂若干技术问题探讨
Effect of Resin-coated Urea on Physical and Chemical Character of Soil and Tomato Growth in Greenhouse 包膜尿素对日光温室土壤理化特性及番茄生长的影响
Resin-Coated Sand FSJ-ⅳ for Sand Control in Low Temperature Reservoirs 适用于低温油层防砂的FSJ-Ⅳ涂敷砂
Thermally Resistant Resin-Coated Sand FSJ-ⅴ for Sand Control in Steam Huff-Puff Wells 适用于蒸汽吞吐井防砂的FSJ-Ⅴ耐高温树脂涂敷砂
A sort of fully chilled Cr-Mo-Cu alloyed camshaft was produced in phenol resin-coated sand shell mold with local V-Ti containing pig iron as melting charge. Its microstructure consists of primary austenite dendrite and D-type graphite plus austenite eutectic. Then the austenite eutectic transformed into pearlite. 采用树脂砂壳型铸造和四川钒钛生铁生产了一种全激冷Cr-Ni-Cu系铸铁凸轮轴,其显微组织由初生奥氏体枝晶和D型石墨+奥氏体共晶体组成,奥氏体随后转变成珠光体;