450CA30PEEK英国威格斯***英国威格斯450CA30PEEK产品介绍：450CA30PEEK(聚醚醚酮)是由二氟二苯甲酮与***在碱金属碳酸盐存在下，以二苯砜作溶剂进行缩合反应制得的一种新型半晶态芳香族热塑性工程塑料。250度以下有***的介电性能,抵抗能量射线照射是它的特点。应用领域：电子元件,***电子,航空,制药和食品加工业,各种生产线用零部件等。英国威格斯450CA30PEEK产品特性：PEEK成为轴承级塑料。其优越的摩擦性能（低摩擦系数、耐磨损、较高的峰压限）使得此级别的摩擦应用领域成为理想材料。有更好的刚性和抗蠕变性能,以及更佳的尺寸稳定性,制造结构性零件较为理想。在高温下可长时间地承受固定负荷。英国威格斯450CA30PEEK详解：Weshowthattheconverseresultofthesefourauthorscanberecoveredfromoursingle-letterouterbound,whiletheBerger-Tungouterboundcontainspointsthatlieoutsidethetruerate-distortionregion.Theconverseresultsusedtosolvealloftheotherspecialcasesmentionedsofararealsoc***equencesofourbound.ThisisdiscussedinSection4.Ourouterboundthereforeservestounifymostofwhatisknownaboutthenonex-istenceofmultiusersourcecodes.ThisunificationisnoteworthyinthecaseofOohama[13]andPrabhakaran,Tse,andRamchandran[14]becausetheconnec-tionbetweentheirremarkableconverseresultandtheclassicaldiscreteresultsinthisareaisnotimmediatelyapparent.Aswewillsee,subjecttosometechnicalc***eats,mostofthekeyresultsinmultiterminalsourcecodingcanberecoveredbycombiningthegeneralinnerbounddescribedearlierwiththeouterbounddescribednext.)