Its K 0 groups, connections with PF rings and FPF rings, closed properties under direct sums and other properties are studied.
研究了它的K0 群及它与PF环、FPF环之间的关系 ,并研究了其对于直和的封闭性等其它性质。
The mechanism of transmit heat and the calculation model of the thermal conductivity of the soft polyurethane foam have been discussed and the affect factors of the thermal conductivity.
讨论了聚氨酯软泡沫塑料的隔热机理和导热系数计算模型,对影响隔热性能的因素,如温度、密度、挤压、吸水率、环境压力等进行了分析。
Epoxy resin adduct polyol reinforced flexible polyurethane foams;
环氧树脂加成多元醇增强聚氨酯软质泡沫塑料
Cellular plastics-Flexible polyurethane foam
GB/T10802-1989软质聚氨酯泡沫塑料
Studies of CFC-free Formulation for Flexible Polyether PU Foam
聚醚型软质聚氨酯泡沫塑料无氟氯烃配方研究
Cellular plastics--Flexible polyurethane foam-Determination of resilience
GB/T6670-1997软质聚氨酯泡沫塑料回弹性能的测定
Study on the Soft PUR Foam Based on Modified Castor Oil
改性蓖麻油基软质聚氨酯泡沫塑料的研究
Flame Retardancy of the Soft Polyurethane Foam Material Treated with Amino Resinous Intumescent Flame Retardant
氨基树脂型膨胀阻燃剂处理软质聚氨酯泡沫塑料的阻燃性能
Studies of CFC-free formulation for flexible polyether PU foam is described in this paper.
本文介绍聚醚型软质聚氨酯泡沫塑料无氟氯烃配方的研究.
Polyurethane Foam Association
聚氨酯泡沫塑料协会
Study on Noise Reduction Properties of Polyurethane Rigid Foam;
聚氨酯硬质泡沫塑料降噪性能的研究
flexible urethane foam for cushion
缓冲用软质聚氨酯泡沫
Study on acoustic properties of porous elastic flexible polyurethane foam(PEFPUF) plastics
多孔弹性软质聚氨酯泡沫(PEFPUF)塑料的声学性能研究
polyurethane foam urethane foam
聚氨脂泡沫（塑料）
Research on Stealth Properties for Rigid Polyurethane Foam Filled by the Pigment
颜料填充硬质聚氨酯泡沫塑料隐身性能的研究
Preparation of the Higher Flame Retardant PU Rigid Foam for the Construction
建筑用高阻燃型硬质聚氨酯泡沫塑料的研制
The Application of Rigid Polyurethane Cable Foam in Ship Cable Sealing
硬质聚氨酯泡沫塑料在船舶电缆密封上的应用
Preparation and Application of Lignin Reticulated Polyurethane Foam;
木质素网状聚氨酯泡沫塑料的制备及初步应用
Study on the Preparetion and Properties of Rigid Polyurethane Foams with High Performance
高性能硬质聚氨酯泡沫塑料的制备及性能研究
Study on Structure and Property of Rigid Polyurethane Foam
硬质聚氨酯泡沫塑料结构及其性能的研究
Study on the engineering application of asphalt rigid polyurethane foam plastics
沥青聚氨酯硬质泡沫塑料工程应用探讨