A method for determination of trace gold in plan by graphite furnace atomic absorption spectrometry(GFAAS) after pre-con-centration with polyether-based polyurethane foam was described.
确立了植物样品在650℃灰化、用王水溶解、聚醚型聚氨酯泡沫塑料分离富集金、石墨炉原子吸收光谱法测定植物样品中痕量金的方法。
Compressive properties and thermal stability of glass bead reinforced rigid polyurethane foams;
玻璃微珠增强硬质聚氨酯泡沫塑料的压缩性能及热稳定性
The aging mechanism of rigid polyurethane foams at indoor storage conditions was investigated with indoor storage tests, accelerated hygrothermal aging tests and IR spectra.
采用室内贮存试验、人工加速湿热老化试验和红外光谱法研究了硬质聚氨酯泡沫塑料在室内贮存条件下的老化机理。
The general situation of foaming agent HCFC-141b used in spraying rigid polyurethane foam,manufacturing principle and characteristics of low-pressure spraying rigid polyurethane foam as well as its application in bus are introduced.
介绍喷涂硬质聚氨酯泡沫塑料发泡剂替代物HCFC-141b概况、低压喷涂硬质聚氨酯泡沫塑料制造原理、性能及在客车上的应用。
Study on the function of the microspheres reinforcing RPU;
空心漂珠增强硬质聚氨酯泡沫塑料实验研究
The characteristic of rigid polyurethane(RPU) is discussed,the research progress of reinforcing RPU by glass fibre and mineral were summarized.
论述了硬质聚氨酯泡沫塑料(RPU)的特点,综述了玻璃纤维、无机填料增强RPU的研究进展,指出了玻璃纤维、无机填料增强RPU的优缺点,玻璃纤维、无机填料混杂添加可作为增强RPU的最佳工艺。
The hole break of rigid polyurethane foam and the RPU were discussed by analyzing meso structures of RPU.
通过对合成的纯的和增强的硬质聚氨酯泡沫塑料 (RPU)进行的细观分析 ,探讨了泡孔的破坏形式和增强相的作用。
Application of RPUF s Constitutive Equation in Packaging Design;
硬质聚氨酯泡沫塑料本构方程在包装设计中的应用
By investigating the preparative principle of RPUF,its processingtechnics has been optimized.
通过对硬质聚氨酯泡沫塑料(RPUF)制备原理的研究,对其工艺进行优化,得出了最佳配方为:聚醚多元醇(100),PAPI(100),H_2O(0。
rigid polyurethane foam plastics
硬质聚醚型泡沫塑料
Study on Synthesis of Novel Rosin-based Polyether Polyol and Rigid Polyurethane Foam;
新型松香聚醚多元醇及硬质聚氨酯泡沫塑料的合成研究
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
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
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.
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
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
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
Foam Stabilizer Used in Low Thermal Conductivity and Low Density Polyurethane Rigid Foam
低导热系数低密度硬质聚氨酯泡沫塑料用泡沫稳定剂
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
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
Moisture Absorption Effect Study of Reinforced Rigid Polyurethane Foams
增强硬质聚氨酯泡沫塑料的吸湿效应研究
Study on Humidity-Expansion Property of PURF
硬质聚氨酯泡沫塑料的湿膨胀性能研究
STUDY ON COMPRESS MECHANICAL PROPERTIES OF REINFORCED POLYURETHANE RIGID FOAM
增强聚氨酯硬质泡沫塑料压缩性能研究
Recent Progress in Study of Nano-meter Scale Modified Polyurethane Rigid Foam
纳米改性聚氨酯硬质泡沫塑料的研究进展
Modification of rigid polyurethane foam plastics by Nano-silica
纳米二氧化硅改性硬质聚氨酯泡沫塑料的研究
