359 ISO 11119-3 AMD 1-2023 2023-07-01 English Gas cylinders — Design, construction and testing of refillable composite gas cylinders and tubes — Part 3: Fully wrapped fibre reinforced composite gas cylinders and tubes up to 450 l with non-load-sharing metallic or non-metallic liners or w...
359 ISO 11119-3 AMD 1-2023 2023-07-01 English Gas cylinders — Design, construction and testing of refillable composite gas cylinders and tubes — Part 3: Fully wrapped fibre reinforced composite gas cylinders and tubes up to 450 l with non-load-sharing metallic or non-metallic liners or w...
ISO 10211-1建筑结构热桥 热流和表面温度 第1部分:一般计算方法Thermal bridges in building construction - Heat flow and surface temperatures - Part 1: General calculation methods ISO 10211-2建筑结构热桥 热流和表面温度 第2部分:线性热桥Thermal bridges in building construction - Calculation of heat flows ...
Formally self-dual codesDouble circulant codesTrinomialsDouble polycirculant codes are introduced here as a generalization of double circulant codes. When the matrix of the polyshift is a companion matrix of a trinomial, we show that such a code is isodual, hence formally self-dual. Numerical ...
岩土结构的建设成本利用年度更新的单位成本公开数据[如Means(2007)出版的建筑工程成本数据(Means Building Construction Cost Data)]来估计。所有可行设计方案的成本等于单位成本与相应设计参数的乘积,最后比较成本决定最终设计。因此,最终设计方案满足ULS、SLS、EOLS以及可靠度要求。
民♀儿且凶乏,Buildingconstruction-Organizationofinformationaboutconstructionworks-Part2: Frameworkforclassification 监丘i且凶二LBuildingconstruction-Organizationofinformationaboutconstructionworks-Part3: Frameworkforobject-orientedinformation 监♀4组豆豆(allparts),Organizationanddigitizationofinformationaboutbuildingsandci...
The general construction of a supplement identifier requires a base identifier. Note See documentation onPubId::Iso::Supplement#initializeandPubid::Core::Supplement#initializeto see all available options. Amendment >base=Pubid::Iso::Identifier.create(publisher:"ISO",number:123,part:1,year:2019)>pu...
EN ISO 12922-2002润滑剂、工业润滑油和有关产品(L类)H组(液压系统)HFAE、HFAS、 HFB、 HFC、 HFDR 和HFDU各品种的规格(包Lubricants, industrial oils and related products (class L) - Family H (Hydraulic systems) - Specifications for categories HFAE, HFAS, HFB, HFC, HFDR and HFDU (ISO 12922...
This paper considers the construction of isodual quasi-cyclic codes. First we prove that two quasi-cyclic codes are permutation equivalent if and only if their constituent codes are equivalent. This gives conditions on the existence of isodual quasi-cyclic codes. Then these conditions are used to...
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