GB/T 6730.4-1986 铁矿石化学分析方法 氯化亚锡-氯化汞-重铬酸钾容量法测定全铁量
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基本信息
标准名称: | 铁矿石化学分析方法 氯化亚锡-氯化汞-重铬酸钾容量法测定全铁量 |
英文名称: | Methods for chemical analysis of iron ores; The stannous chloride-mercuric chloride-potassium dichromate volumetric method for the determination of total iron content |
中标分类: |
矿业 >>
黑色金属矿 >>
铁矿 |
ICS分类: |
采矿和矿产品 >>
金属矿
|
替代情况: | GB 1363-1978 |
发布部门: | 国家标准局 |
发布日期: | 1986-08-19 |
实施日期: | 1987-08-01 |
首发日期: | 1986-08-19 |
作废日期: | 2005-10-14 |
主管部门: | 中国钢铁工业协会 |
归口单位: | 全国钢标准化技术委员会 |
起草单位: | 本钢 |
出版日期: | 1900-01-01 |
页数: | 4页 |
适用范围
本标准适用于铁矿石、铁精矿、烧结矿和球团矿中水分含量的测定。测定范围:20%以上。本标准遵守GB 1467-78《冶金产品化学分析方法标准的总则及一般规定》。
前言
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所属分类: 矿业 黑色金属矿 铁矿 采矿和矿产品 金属矿
【英文标准名称】:StandardPracticeforDiluteSolutionViscosityofPolymers
【原文标准名称】:聚合物稀溶液粘度的标准实施规程
【标准号】:ASTMD2857-1995(2007)
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.70
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:flowandflowrate-thermoplastics;polymers-molecularweight;viscosity-dilute-solution;viscosity-intrinsic;viscosity-plastics
【摘要】:1.1Thispracticecoversthedeterminationofthedilutesolutionviscosityofpolymers.ThereareseveralASTMstandards(TestMethodsD789,D1243,D1601,andD4603,andPracticeD3591)thatdescribedilutesolutionviscosityproceduresforspecificpolymers,suchasnylon,poly(vinylchloride),polyethylene,andpoly(ethyleneterephthalate).Thispracticeiswrittentoaugmentthesestandardswhenproblemsarisewithwhichthespecificprocedureisnotconcerned,orwhennostandardisavailableforthepolymerunderinvestigation.1.2Thispracticeisapplicabletoallpolymersthatdissolvecompletelywithoutchemicalreactionordegradationtoformsolutionsthatarestablewithtimeatatemperaturebetweenambientand150C.Resultsareusuallyexpressedasrelativeviscosity(viscosityratio),inherentviscosity(logarithmicviscositynumber),orintrinsicviscosity(limitingviscositynumber)(see).1.3Forpolyamides,relativeviscosityvaluesbythisprocedurearenotequivalenttothosedeterminedbyTestMethodsD789.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note1-ThisstandardandISO1628,"Plastics-DeterminationofViscosityNumberandLimitingViscosityNumber,"aretechnicallyequivalent.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:6P.;A4
【正文语种】:英语
【英文标准名称】:Healthinformatics-Useofmobilewirelesscommunicationandcomputingtechnologyinhealthcarefacilities-Recommendationsforelectromagneticcompatibility(managementofunintentionalelectromagneticinterference)withmedicaldevices
【原文标准名称】:医疗信息.保健设施中移动无线通信和计算技术应用.推荐关于医疗设备电磁兼容性应用(被动电磁兼容性干扰管理)
【标准号】:ISO/TR21730-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-02
【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/TC215
【标准类型】:()
【标准水平】:()
【中文主题词】:传播学;通信设备;计算机科学;定义;电气工程;电气安全;电磁干扰;电磁兼容性;干扰;医疗设备;医疗信息;医学科学;医疗技术学;移动无线电通信系统;公共卫生;无线电设备;安全;安全要求;规范(验收);远程通信;无线;无线通信业务
【英文主题词】:Communication;Communicationequipment;Computersciences;Definitions;Electricalengineering;Electricalsafety;Electromagneticcompatibility;Electromagneticinterferences;EMC;Interferences;Medicalequipment;Medicalinformatics;Medicalsciences;Medicaltechnology;Mobileradiosystems;Publichealth;Radioequipment;Safety;Safetyrequirements;Specification(approval);Telecommunication;Wireless;Wirelesscommunicationservices
【摘要】:ThisTechnicalReportprovidesguidanceforthedeployment,useandmanagementofmobilewirelesscommunicationandcomputingequipmentinhealthcarefacilitiesinawaythatpromoteseffectiveelectromagneticcompatibility(EMC)amongthewirelesstechnologyandactivemedicaldevicesthroughmitigationofpotentialhazardsduetoelectromagneticinterference(EMI).Therecommendationsgivenrecognizethedifferentresources,needs,concernsandenvironmentsofhealthcareorganizationsaroundtheworld,andprovidedetailedmanagementguidelinesforhealthcareorganizationsthatdesirefulldeploymentofmobilewirelesscommunicationandcomputingtechnologythroughouttheirfacilities.Inaddition,suggestionsareincludedforselectiverestrictionsincaseswherehealthcareorganizationshavedecidedthatcomprehensivemanagementproceduresarenotfeasible,practicalordesirableatthepresenttime.Therecommendationshereindistinguishbetweenwirelesstechnologycontrolledbythefacilityandusedbydoctorsandstaffforhealthcare-specificcommunicationandhealthinformaticstransportversusnon-controlled(personal)mobilewirelessequipmentrandomlybroughtintothefacilitybyvisitors,patientsorthehealthcareorganizationworkforce.
【中国标准分类号】:C07
【国际标准分类号】:35_240_80
【页数】:37P.;A4
【正文语种】:英语