简介：FFS袋用吹塑薄膜是国内近年来刚刚发展起来的一种重包装膜产品：主要用于大型聚乙烯、聚丙烯等合成树脂等化工原料及建筑材料的自动包装线。由于在包装过程中．实现了多道工序和作业过程的连续自动一次完成，使包装速度大大提高，满足超大型合成树脂装置高速包装的需要。FFS袋的包装能力：1700—1900袋／h；复合编织袋包装能力：〈1400袋／h，单线年最大包装量在1150万条，

简介：TiB2ceramicspowderwassynthesizedfromB2O3-TiO2-Mgsystem.TheeffectsofTiB2additionasdiluentonthecombustionsynthesisprocesswereinvestigated.TheresultsofthermodynamiccalculationandexperimentsshowthattheincreaseofTiB2contentrangingfrom0to20wt%canreducetheadiabatictemperatureTadfrom3100Kto2896KandcombustiontemperatureTcfrom2139Kto1621Krespectively.TheparticlesizeandhalfwidthoftheparticledistributionarealsoincreasedwiththeadditionofTiB2increasingfrom0to20wt%.ThecombustionproductisamixtureofTiB2,MgO,andotherintermediatephases.TheleachedproductcontainsmainlyTiB2,TiO2andTiN,anditsoxygencontentis7.77wt%.

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简介：Throughmeasuringthecoefficientoflinearexpansion,thestructureandpropertiesoftheLi2O-Al2O3-SiO2lowexpansionglassceramicscontainingB2O3arestudiedbyJRandXRD.ItisshoutnthattheIRmethodisefficientinthestudyoftheglass-ceramicsstructure.Thereisa"Boronabnormality"inthesystemwhichhasanimportantinfluenceonthepropertiesoftheglass-ceramics.

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