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- the furan resin grit 呋喃树脂自硬砂
- The Reclaim of the Furan Resin Sand and the Used Sand 呋喃树脂自硬砂的应用和旧砂的回用
- A novel furan resin was synthesized by polycondensation between furfuralcohol and furfural. 用糠醇和糠醛缩聚制备了新型呋喃树脂。
- The reason causing nodularization degeneration in surface layer of furan resin sand nodular iron castings was analyzed. 对呋喃树脂砂球墨铸铁件表层球化衰退原因进行了分析。
- The review of recent research progresses of furan resin was presented and discussed. 综述了近年来呋喃树脂的研究进展。
- An anticorrosion method of using modified water glass concrete lining of furan resin for saturators is introduced. 介绍了一种对饱和器采用呋喃改性水玻璃混凝土衬里的防腐蚀方法。
- It also has important project practical value to the FRP furan resin concrete structure design. 为估计材料的长期力学性能提供依据,对FRP筋呋喃树脂混凝土结构设计具有重要的工程实用价值。
- We are a manufacturer of furfural, furfural alochol and furan resin, which have two plants located in shandong and mongolia. 我公司是专业生产糠醛、糠醇、呋喃树脂的厂家,有两个工厂分别坐落在山东禹城和内蒙古。
- Abstract Furan resin sand is poor in collapsibility when it is used for Al alloy casting,specially for some large、thin section castings. 呋喃树脂砂用于铝合金铸造时,特别是对于一些大型、薄壁铝合金铸件,型芯的溃散性较差。
- May resolve the resin grit , water-glass sand , oil grit effectively , closing the grease grit and so on glues the model problem , applies to appearance and core boxes such as wood model , plastic model , metal mould. 可有效地解决树脂砂、水玻璃砂、油砂、合脂砂等粘模问题,适用于木模、塑料模、金属模等模样和芯盒。
- Authors introduces an example of applying no-bake furan resin sand technology to large-scale and high-efficient molding line. 介绍了一种把呋喃树脂自硬砂工艺应用于大批量、高效率造型线的实例。
- An interpenetrating polymer network (IPN) was prepared from polypropylene glycol polyurethane (PU) and furfuralcohol resin or HF9200A epoxy furan resin (FA). 用糠醇型呋喃树脂或HF9200A环氧型呋喃树脂与聚环氧丙烷醚型聚氨酯制备了互穿聚合物网络(IPN)。
- By adopting the compound mold of die mold,furan resin sand and graphite sand,the heavy duty thin wall complex Al-alloy castings have been successfully produced. 采用金属型、呋喃树脂砂、石墨砂等复合铸型,成功生产了大型、薄壁、复杂铝合金铸件。
- The apparent viscosity of the parent coal tar pitch and coal tar pitches blended with furan resin were determined using a rotating coaxial-cylinder viscometer. 考察了呋喃树脂对煤沥青表观黏度、残炭率及软化点的影响。
- The properties and carbonizing yield of several kinds of matrix precursors, such as bitumen, phenolic resin, COPNA resin, furan resin, polyarylacetylene are also mentioned. 讨论了不同物质,其中包括工业沥青、酚醛树脂、呋喃树脂、缩合多核芳香(COPNA)树脂以及聚芳基乙炔树脂作为碳/碳复合材料基体前驱体的特点。
- Furazolidone in chickens is the important index of the furan drug content in the feed additive. 鸡肉中呋喃唑酮是反映饲料添加剂中呋喃类药物含量的重要指标。
- The causes of corrosion demage of the granite piece ground are analyzed. The design and construction technique for furan resin concrete whole ground with good anticorrosion performance are introduced. 摘要分析了花岗岩块材地面腐蚀破坏的原因,介绍了防腐蚀性能更好的呋喃树脂混凝土整体地面。较详细阐述了贵溪冶炼厂呋喃树脂混凝土整体地面的设计和施工技术。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- By decreasing the grade of cast iron,using furan resin selfsetting sand as a substitute for clay sand to make the core and prolonging cooling time in mould,the cracking problem has been solved. 通过降低材料牌号,使用呋喃树脂自硬砂取代粘土制芯,延长铸件在型内冷却时间,使裂纹缺陷问题得到解决。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。