Objective: To evaluate the influence of denture material and its surface roughness on retention of upper complete denture .
目的：评价全口义齿基托材料及其表面粗糙度对义齿固位的影响。
By testing the MFR of silane grafted PE with different preservation time, and the surface condition and the gel content of the silane grafted extrudates with different retention time in extruder.
测试不同储存时间下的硅烷接枝聚乙烯的熔体流动速率和硅烷交联聚乙烯电缆料在挤出机中停留不同时间后挤出物的表面状况、凝胶含量等。
It was concluded that surface mulching in the form of stubble retention and vegetative coverage is more important than any other management option in improving infiltration.
结果表明，就提高渗透而言，以残茬保留及植被覆盖形式的表面覆盖比任何其他管理措施更重要。
In paper making chitosan can be used as fortifier sizing agent retention and filtration aid surface modifier and flocculation agent for paper-making effluent.
在造纸方面，壳聚糖可用做纸张增强剂、施胶剂、助留助滤剂、表面改性剂和造纸废液的絮凝剂。
The radial acceleration forces can cause greater retention of the solid phase combustion products near the propellant surface.
径向加速度的力量可以造成更大的保留固相燃烧产物附近的推进剂表面。
It has good colour retention, excellent resistance to water and alkalinity on the concrete surface. Applied at ambient temperature.
具有保色性佳、耐水洗和混凝土表面的碱度等特点，对施工温度没有要求。
In the reversed-phase system, the influence of residual silanol groups of C18 bonded phase surface on the retention behaviors of heteropoly acid (HPA) anion is studied.
在反相体系中，研究了十八烷基键合相表面残留硅醇基对杂多酸阴离子保留行为的影响。
In paper making, chitosan can be used as fortifier, sizing agent, retention and filtration aid, surface modifier and flocculation agent for paper-making effluent.
在造纸方面，壳聚糖可用做纸张增强剂、施胶剂、助留助滤剂、表面改性剂和造纸废液的絮凝剂。
Chitosan is applied extensively as flocculation agent of wastewater, reinforcing agent, retention aid, surface modification agent, additive in beating process in papermaking industry.
壳聚糖及其衍生物在造纸工业中可作为纸张增强剂、助留助滤剂、表面处理剂、打浆助剂和造纸废水絮凝剂等。
The results showed that at optimal hydraulic retention time, the fungus could form steady biofilm with high activity and stability on the carrier surface.
结果表明，选择适合的水力停留时间，白腐菌可以形成生物膜，生物膜的活性高，稳定性好。
CMS has significant effect on strength and retention when it is used in the pulp; paper surface strength can be improved greatly when it is used as surface treatment size.
浆内添加时有较好的增强、助留效果，用于表面施胶可明显提高纸张表面强度。
The test results show that the surface modification of GCC by cation starch for improving its retention rate is a rather economical choice.
实验发现，用阳离子淀粉对重质碳酸钙在线进行表面改性，对提高其留着率来说是相当经济的选择。
In this regard, the ring clamp includes a band forming a first retention means on an exterior surface and a second retention means formed on an interior surface.
就此而言，环形夹具包括带，该带形成了位于外表面处的第一固定装置和形成于内表面的第二固定装置。
Nowadays, the research focuses on the adhesion and retention of fiber posts. Besides the research on cement, surface treatment is widely studied to enhance the interfacial bond strength.
除了对粘接剂的研究外，纤维桩表面处理是增强界面粘接强度的常用方法之一，它可以促进不同成分之间形成化学和机械固位。
The result shows that the high polymers VAM and PHM can not only enhance the water retention ability and the available water content, but also prevent the evaporation from the surface soil.
研究结果表明：高聚物不仅能提高土壤的持水力和增加土壤水对植物的有效性，而且还能抑制土壤水的蒸发。
Conclusions:Satisfac- tory results were attributed to the indication of prosthesis, supplementary retention form in tooth preparing, high-quality bonding agents and performing etching on surface oft.
结论：提高烤瓷粘结桥的修复质量，需严格把握适应症和牙体预备时增加辅助固位形，同时优质粘结剂和酸蚀技术的合理应用也起重要作用。
Retention of former fixation or change to a permanent fracture fixation were determined by the healing process and the stability of the fixation 3 ~ 6 months after the trauma surface healing.
创面愈合后3 ~6个月视骨折愈合进度和骨折固定稳定情况保留原有固定或更换永久性骨折固定物。
So, the calcite filling in surface and near-surface is "retention diagenesis" of carbonate cavern reservoir.
因而认为地表、近地表方解石充填过程是碳酸盐岩洞穴型储层的“保持性成岩作用”。
With thickening, adhesion, dispersion, emulsification, film formation, suspension, adsorption, gel, surface activity, water retention and protective colloid and other characteristics.
具有增稠，粘合，分散，乳化，成膜，悬浮，吸附，凝胶，表面活性，保持水分和保护胶体等特性。
Soil retention capacity of surface layer is the best in the mixed forest, while differences are little in other forests.
混交林表层土壤蓄水功能最好，其他林分各层次差异较小；
Soil retention capacity of surface layer is the best in the mixed forest, while differences are little in other forests.
混交林表层土壤蓄水功能最好，其他林分各层次差异较小；
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