Gas-barrier properties of polyvinyl glutaral(PVG) membranes was measured after cross linking reaction and permeability coefficient of PVG membranes was worked out.
为了提高激光靶丸的阻气性能,用戊二醛对阻气层材料聚乙烯醇进行交联改性。
Poly(ethylene 2, 6-naphthalate) was prepared with DMN, PEN physics,chemical characters and gas proofness was discussed in this paper.
研究了2,6-萘二甲酸二甲酯(DMN)缩聚为聚2,6-萘二甲酸二乙酯(PEN)共聚物的合成工艺,讨论了PEN化学性质和气体阻隔性能。
The polyethylene-terephthalate (PET)/montmorillonite (MMT) nanocomposite material was prepared, and the effects of MMT on PET/MMT polymerization and PET chips, deformation andphase transition temperature as well as gas proofness were discussed.
研究了聚对苯二甲酸乙二醇酯(PET)／蒙脱土(MMT)纳米复合材料的合成工艺,讨论了MMT对PET聚合工艺及切片的形变和相变温度以及气体阻隔性能的影响。
Study on the effect of oxygen barrier property of plastic packaging materials to the color of pork;
塑料包装材料氧气阻隔性对猪肉色泽的影响研究
The well dispersion of nanoscale inorganic fillers in polyethylene matrix promotes several properties of the material including improved stiffness, increased flame retardancy and better gas barrier property.
粘土物质在聚乙烯基体中的良好分散提高了材料的强度,并使其具有阻燃性和气体阻隔性。
The Preparation of High GAS Barrier Property of Rubber Material and Microstructural Changes of RCNs Induced by Post Processing;
高气体阻隔性能弹性体的制备及有机粘土/橡胶纳米复合材料微观结构的后工艺响应
Effect of Gas Flow Rate on the Barrier Properties of Alumina Deposited PET Films by Reactive Magnetron Sputtering
气体流量对反应磁控溅射氧化铝/PET薄膜阻隔性能的影响
Research on the Aroma Barrier of Commonly Used Plastic Packaging Material;
常用塑料包装材料的香气阻隔性研究
Study of NBR/PA TPV with Excellent Solvent Resistance;
高阻隔NBR/PA热塑性弹性体的研究
Nonlinear vibration analysis of viscoelastic isolator
粘弹性阻尼隔振体的非线性振动分析
Research on the Barrier Mechanism of Waterborne PVDC Emulsion to Oxygen and Water Vapour
水性PVDC胶乳对氧气、水汽阻隔机理的研究
Inherent factor elucidation to difference in oxygen barrier properties of PET and PEN with molecular simulation
PET和PEN氧气阻隔性差异原因分子模拟探索
These gases trap the sun's heat whereas sulphur dioxide cools the atmosphere.
这些气体阻隔了阳光中的热量，而二氧化硫起到使空气变凉的作用。
Study on Fluid Plugging Proprety of Polymer Latex Cement Slurry
聚合物胶乳水泥浆的流体阻隔性能研究
female-controlled barrier method
女性控制的阻隔避孕法
Characteristic of Fluid Damper and Its Effect on the Whole-Spacecraft Vibration Isolation;
流体阻尼器特性及其对整星隔振性能影响的研究
light weight, flame retardancy, corrosion resistance, good weatheraBility
体轻、阻燃，耐腐蚀、耐气候性能良好
Pneumomediastinum may cause caval obstruction.
纵隔积气可能引起腔静脉梗阻。
Measurement of airway resistance and reactivity in guinea pigs using double-chamber plethysmography
双室体描仪测定豚鼠气道阻力和气道反应性
Reasearch on Damp Distributions of Rubber Bearings of Lateral-torsional Coupling Isolated System
平扭耦联隔震体系隔震垫阻尼分布影响研究
"Thermal insulators, which Break up the heat-flow path by absorbing radiant heat, include fiberglass, cork, and rock wool. "
热绝缘体以对热辐射的阻隔性来阻断热量的流通路径,包括了玻璃纤维、软木和石绵。
Sound Insulation Properties of Layered Damping Stiffened Panels Acoustic Shield;
阻尼复合加筋板隔声罩的隔声性能研究