【英文标准名称】:Pre-shapedgrowingmedia-Determinationoflength,width,height,volumeandbulkdensity
【原文标准名称】:预成型生长介质.长度,宽度,高度,体积和松密度的测定
【标准号】:BSEN15761-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2010-07-31
【实施或试行日期】:2010-07-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:农产品;农业;体密度;定义;尺寸规格;肥料;培养基;实验室间试验;长度;数学计算;测量;测量技术;粒度分布;抽样方法;土壤改良;土壤改良物质;测试;厚度;体积;称重;宽度
【英文主题词】:Agriculturalproducts;Agriculture;Bulkdensity;Definitions;Dimensions;Fertilizers;Growingmedia;Inter-laboratorytests;Length;Mathematicalcalculations;Measurement;Measuringtechniques;Particlesizedistribution;Samplingmethods;Soilimprovement;Soilimprovingmaterials;Testing;Thickness;Volume;Weighing;Width
【摘要】:ThisEuropeanStandarddescribesamethodofdeterminationoflength,width,height,volumeandbulkdensityofrectangularpre-shapedgrowingmedia.Inthisstandard"pre-shapedgrowingmedia":?includessolid,regularshaped,stablegrowingmediasold,whicharereadyforuseasagrowingmedia,wherethedimensionsandcornersarestable,andthesurfacesandedgesareperpendiculartoeachother–includingmineralwoolandpolyurethaneproducts;?doesnotincludesolidgrowingmediathathastobehydratedforittoform,variesindimensionwithvaryingwatercontent–forexamplecoirorpeatslabsorgrowingbags.Theminimumlineardimension(length,widthorheight)forblockstowhichthisstandardappliesis40mm,andthemaximumdimensionis2000mm.
【中国标准分类号】:G20
【国际标准分类号】:65_080
【页数】:16P.;A4
【正文语种】:英语