GB/T 223.14—2000.Methods for chemical analysis of iron ,steel and alloy The N-benzoy-N-phenylhydroxylamine extraction photometric method for the dctermination of vanadium content....
GB/T 223.78—2000.Methods for chemical analysis of iron , steel and alloy—Curcumin spectrophotometric method for the determination of boron content.1范围GB/T 223.78规定了姜黄...
GB/T 3098.5—2000.Mechanical properties of fasteners-Tapping screws.1范围GB/T 3098.5规定了渗碳钢自攻螺钉的性能及相应的试验方法。其螺纹应符合GB/T 5280.螺...
GB/T 3098-6—2000.Mechanical properties of fasteners—Bolts.screws and studs made of stainless-steel.1范围GB/T 3098-6规定了由奥氏谑,马氏体和铁素体耐腐蚀不锈钢制...
GB/T 8077—2000.Methods for testing uniformity of concrete admixture.1范围GB/T 8077规定了用于水泥混凝土中外加剂的匀质性试验方法。GB/T 8077适用于普通减水...
GB 917.1—2000.Mark rules of highway route—Naming.numbering and coding.1范围GB 917.1规定了公路路线及其路段的命名原则,编号规则和编码方法。GB 917.1适用于...
GB/T 1919—2000.Potassium hydroxide for industrial use.1范围GB/T 1919规定了工业氢氧化钾的要求、试验方法、检验规则以及标志,标签、包装、运输,贮存和...
GB/T 91—2000 开口销eqv Iso 1234:1997代替GB/T91—1986Split pins1范围本标准规定了公称规格为0.6～~20 mm的开口销。2引用标准下列标准所包含的条文,通...
GB 15618—2018.1适用范围GB 15618规定了农用地土壤污染风险筛选值和管制值，以及监测、实施和监督要求。本标准适用于耕地土壤污染风险筛查...
