For the simulation accuracy of springback problem in sheet metal forming,the effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.
针对板料成形回弹精度问题的数值模拟,从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。
Conjugate heat transfer of transient thermal conduction,natural convection and thermal radiation with internal heat sources is simulated numerically using PHOENICS(Version 1 4) with the false density method.
采用大型通用计算程序ＰＨＯＥＮＩＣＳ（１４版本）、并结合虚拟密度法，对有内部热源的非稳态导热与自然对流换热及辐射换热的耦合问题进行了数值求解。
Sketching on methods of measuring apparent density of inorganic chemical products;
测定无机化工产品表观密度方法概况
Influential factors on apparent density and oil absorbency of suspension resin;
影响悬浮树脂表观密度和吸油率的因素
Influences of the apparent density and aging whiteness of PVC on the rheological properties of materials;
PVC表观密度、老化白度对物料流变性能的影响
Prepration of PVC resin with high bulk density in the presence of compound dispersant;
采用复合分散剂制备高表观密度聚氯乙烯树脂
The effects of mica content on the properties of mica glass composite materials fabricated from recycled soda lime glass powders and natural mica powders were studied by the measurement of bulk density and the complex relationship of the bulk density with mica content were analyzed by SEM.
通过测定表观密度ρ，讨论了云母含量ｘｍ对以天然碎云母和回收废玻璃为主要原料的云母玻璃复合体性能的影响；借助于ＳＥＭ观察对ｘｍ与ρ之间的复杂关系进行了分析。
refuse pile density;refuse bulk density;apparent refuse density
垃圾堆密度（垃圾体积密度，垃圾表观密度）
Test methods of wooden activated carbon-Determination of Apparent density
木质活性炭试验方法 表观密度的测定
determination of tamped volume and apparent density after tamping
装填体积和表观密度的测定
Surface active agents--Determination of apparent density of a powder
GB/T6373-1986表面活性剂粉状物的表观密度测定法
The Choice of Agitator for the Solution of Low Apparent Dencity or Low Dencity Powdery Substance
低表观密度或低密度粉料在溶剂中溶解的搅拌器选型
Test method of apparent density for rubber antiagers and vulcanizing accelerators
GB/T11409.6-1989橡胶防老剂、硫化促进剂表观密度的测定
determination of apparent density of cellular plastics
硬质及软质泡沫聚合塑料表观密度测定法
Affect of Slops Particles Apparent Density on the Tank Depth for Shallow Tank Flotation Wastewater-treatment
浅池气浮净水污粒表观密度对池深的影响
Surface active agents--Determination of apparent density of pastes on filling
GB/T7379-1987表面活性剂浆状物在灌装时表观密度的测定
surface active agents-washing powders-determination of apparent density- method by measuring the mass of a given volume
表面活性剂-粉状物的表观密度测定-固定体积测量法
paper and board-determination of thickness and apparent bulk density or apparent sheet density
纸和纸板-单页纸厚度的测定(和纸板表观密度的计算)
Determination of apparent density of powdered detergent-Method by measuring the mass of a given volume
GB/T13175-1991粉状洗涤剂表观密度的测定(给定体积称量法)
Industrial sodium tripolyphosphate--Determination of apparent density--Method by measuring the mass of a given volume
GB/T9984.9-1988工业三聚磷酸钠表观密度的测定给定体积称量法
In addition? the recycled fine aggregate after particle shaping its apparent density and water absorption have been improved slightly.
此外,颗粒整形后的再生骨料的表观密度、水率也略有所提高。
Study on the Corresponding Variation of the Apparent Density of Magnetic Fluid in Non-homogeneous Magnetic Field;
磁性流体“表观密度”在非均匀磁场中变化规律研究
The Effect of Adding Egg-shell Calcium and Calcium Carbonate to Low Calcium Diet on Calcium Balance and Apparant Density of Femurs of Rats
低钙膳中添加卵壳钙和碳酸钙对大鼠钙平衡和股骨表观密度的影响
Mechanical properties of recycled aggregate concrete study of the impact of factors
再生混凝土中再生骨料取代率、浆含量、表观密度和吸水率的关系探讨
Cellular plastics and rubbers--Determination of apparent (bulk) density
GB/T6343-1995泡沫塑料和橡胶表观(体积)密度的测定