DIN EN 898-2013 人类生活用水的处理用化学品.碳酸氢钠.德文版本EN898-2012
时间:2024-05-13 17:46:39 来源: 标准资料网 作者：标准资料网 阅读：8371
【英文标准名称】:Chemicalsusedfortreatmentofwaterintendedforhumanconsumption-Sodiumhydrogencarbonate;GermanversionEN898:2012
【原文标准名称】:人类生活用水的处理用化学品.碳酸氢钠.德文版本EN898-2012
【标准号】:DINEN898-2013
【标准状态】:现行
【国别】:德国
【发布日期】:2013-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:重酸式碳酸盐;化学分析和测试;化学元素和无机化合物;化学性质;化学制品;交付;饮用水处理;作标记;饮用水;特性;纯度;质量;苏打水;钠;碳酸氢钠;焙烧苏打;储存;试验;运输;处理;使用;水;水常规;水净化;给水;水处理
【英文主题词】:Bicarbonates;Chemicalanalysisandtesting;Chemicalelementsandinorganiccompounds;Chemicalproperties;Chemicals;Delivery;Drinkingwatertreatment;Marking;Potablewater;Properties;Purity;Quality;Soda;Sodium;Sodiumbicarbonate;Sodiumhydrogencarbonate;Storage;Testing;Transport;Treatment;Use;Water;Waterpractice;Waterpurification;Watersupply;Watertreatment
【摘要】:
【中国标准分类号】:
【国际标准分类号】:71_100_80
【页数】:20P;A4
【正文语种】:德语
Product Code:SAE ARP4258
Title:Application of Low Speed Avionic System Discrete Signal Interfaces
Issuing Committee:As-1a Avionic Networks Committee
Scope: The purpose of this Aerospace Recommended Practice (ARP) is to provide recommendations on the use of four types of discrete signal interfaces for unidirectional, low power, low frequency transmission of discrete information.【英文标准名称】:Protectiveclothingforuseinweldingandalliedprocesses
【原文标准名称】:焊接和类似工艺用防护服装
【标准号】:ISO11611-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC94
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;电绝缘;电阻;火焰扩散;高温防护;作标记;凸焊;防护服装;防护设备;防护服;辐射;安全工程;安全要求;溅污;规范(验收);测试;热传递系数;紫外线辐射;焊接
【英文主题词】:Burning;Closures;Conditioning;Definitions;Dimensionalchanges;Electricalinsulation;Electricalresistance;Firerisks;Flamepropagation;Heatprotection;Instructionsforuse;Insulations;Leather;Marking;Materials;Metals;Methods;Pockets;Projections;Protectiveclothing;Protectiveequipment;Protectivesuits;Radiation;Safetyengineering;Safetyrequirements;Spatters;Specification(approval);Tearstrength;Tensilestrength;Testing;Textiles;Thermaltransmittance;Ultraviolet;Ultravioletradiation;Use;Weights;Welding
【摘要】:ThisInternationalStandardspecifiesminimumbasicsafetyrequirementsandtestmethodsforprotectiveclothingincludinghoods,aprons,sleevesandgaitersthataredesignedtoprotectthewearer'sbodyincludinghead(hoods)andfeet(gaiters)andthataretobewornduringweldingandalliedprocesseswithcomparablerisks.Fortheprotectionofthewearer’sheadandfeet,thisInternationalStandardisonlyapplicabletohoodsandgaiters.ThisInternationalStandarddoesnotcoverrequirementsforhandprotection.Thistypeofprotectiveclothingisintendedtoprotecttheweareragainstspatter(smallsplashesofmoltenmetal),shortcontacttimewithflame,radiantheatfromthearc,andminimizesthepossibilityofelectricalshockbyshort-term,accidentalcontactwithliveelectricalconductorsatvoltagesuptoapproximately100Vd.c.innormalconditionsofwelding.Sweat,soilingorothercontaminantscanaffectthelevelofprotectionprovidedagainstshort-termaccidentalcontactwithliveelectricconductorsatthesevoltages.ThisInternationalStandardspecifiestwoclasseswithspecificperformancerequirements(seeAnnexA),i.e.Class1beingthelowerlevelandClass2thehigherlevel.--Class1isprotectionagainstlesshazardousweldingtechniquesandsituations,causinglowerlevelsofspatterandradiantheat.--Class2isprotectionagainstmorehazardousweldingtechniquesandsituations,causinghigherlevelsofspatterandradiantheat.DetailsaregiveninTable1andAnnexB.Foradequateoverallprotectionagainsttheriskstowhichweldersarelikelytobeexposed,personalprotectiveequipment(PPE)coveredbyotherstandardsshouldadditionallybeworntoprotectthehead,face,handsandfeet.
【中国标准分类号】:C73
【国际标准分类号】:13_340_10;25_160_01
【页数】:14P;A4
【正文语种】:英语