Meanwhile, the mechanical properties of plant fiber cement-based composite materials have been effectively improved through treating the surface of plant fiber by urea-formaldehyde resin.
同时采用脲醛树脂对植物纤维进行表面处理，有效地改善了复合材料的物理性能。
Objective: To compare the tensile bond strength between composite fiber-reinforced dowels luted with a resin cement and stainless steel dowels luted with zinc phosphate cement.
目的：比较用树脂粘接剂粘接的纤维增强复合树脂预成桩与用磷酸锌粘固的不锈钢预成桩的拉伸固位强度。
AIM: To compare the effect of glasionomer cement FX material with that of light-cured composite resin material in treating wedge-shaped defect.
目的：比较FX玻璃离子和光固化复合树脂治疗牙颈部楔状缺损的疗效。
Main products include ductile manhole covers, composite resin covers, drill rod cement covers, galvanized steel grating, polymer alloy covers, cast iron manhole covers, flower bar, cast iron pipe.
主营产品有球墨井盖、复合树脂井盖、钢钎水泥井盖、镀锌钢格板、合金高分子井盖、球墨铸铁井盖、铸铁井盖、花栏、铸铁管等。
In the cement composite, a hardened cement product is coated with a substance block agent composed chiefly of an aqueous dispersion of synthetic resin, a swelling clay mineral and a pigment.
其为在水泥硬化体上被覆有合成树脂水性分散体、膨润性粘土矿物及以颜料为主成分的物质隔绝剂所成的水泥复合体。
Objective To compare the dental bonding characters of glass ionomer cement and light cured composite resin.
目的比较玻璃离子和光固化复合树脂对牙体的黏接性能。
Objective To compare the dental bonding characters of glass ionomer cement and light cured composite resin.
目的比较玻璃离子和光固化复合树脂对牙体的黏接性能。
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