MT/T 839-1999 石门揭穿煤层煤与瓦斯突出危险性的测定方法
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来源:标准资料网
基本信息
标准名称: | 石门揭穿煤层煤与瓦斯突出危险性的测定方法 |
英文名称: | Measuring method of coal and outburst risk while a cross-cut passing through a seam |
中标分类: |
矿业 >>
矿业综合 >>
卫生、安全、劳动保护 |
ICS分类: |
环保、保健与安全 >>
防爆
|
发布部门: | 国家煤碳工业局 |
发布日期: | 1999-11-11 |
实施日期: | 2000-03-15 |
首发日期: | |
作废日期: | |
提出单位: | 国家煤炭工业局行业标准司 |
归口单位: | 煤炭工业煤矿安全标准化技术委员会 |
起草单位: | 煤炭科学研究总院重庆分院 |
起草人: | 罗小林、于不凡等 |
出版社: | 中国煤炭工业出版社 |
出版日期: | 2000-03-15 |
页数: | 5页 |
适用范围
本标准规定了石门揭穿煤层(以下简称传感器揭煤)煤与瓦斯突出(以下简称突出)危险性测定时所采用的判定指标、测定过程和结果表述。
本标准适用于石门揭煤和其化岩石揭煤时突出危险性的测定。
前言
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目录
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引用标准
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所属分类: 矿业 矿业综合 卫生 安全 劳动保护 环保 保健与安全 防爆
Product Code:SAE AMS2485
Title:Coating, Black Oxide
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification covers the engineering requirements for producing black oxide coatings on parts and the properties of such coatings.【英文标准名称】:StandardPracticeforSamplingandPreparationofSaltPreserved(Cured)HidesandSkinsforChemicalandPhysicalTests
【原文标准名称】:抽样和储盐和皮肤对化学和物理试验的准备的标准规格
【标准号】:ASTMD6715-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D31.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:chemicaltests;curedhides;lot;physicaltests;preparation;salt-preservation;saltedhides;sampling;unit;
【摘要】:Thesamplingproceduresdescribedinthispracticehavebeendesignedtoensurerandomsamplingofsalt-preservedhidesandskinsforphysicalandchemicaltests.Salt-preservedhidesarenaturalproductsandassucharesubjecttoextensivevariability.Thephysicalandchemicalpropertiesvaryconsiderablydependingonlocationonthatspecifichide,side,orskinfromwhichthetestsampleistaken.Randomsamplingofspecimensfromapredefinedlocationandorientationminimizestestbiasandvariability.Thispracticedefinestheseparameters.Ingeneral,testscarriedoutuponsalt-preservedhidesrequirecompositelotsamplesgeneratedusingthepreparationmethodsdescribedwithinthispractice.Subsequentteststypicallyrequirethosecompositesamplestobeintwoforms:3.2.1ExpressedHideFluid8212;whereresidualhidefluidispressedfromeachde-hairedandcleanedindividualhidesample,thenequalvolumesofeachextractedfluidareblendedtogethertocreatethecompositesample.3.2.2HideMaterialSample8212;whereequalquantitiesofde-hairedandcleanedhidematerialareblendedtogethertocreatearepresentativecompositesample.1.1Thispracticecoversthesamplingandpreparationofsalt-preserved(cured)hidesforphysicalandchemicaltests.Thehidesorskinstobetestedaregroupedintolots.Eachlotisrandomlysampledinsuchamannerastoproducearepresentativesampleofthatlot.Thislotsamplemaybeusedtodeterminecomplianceofthelotwithapplicablespecificationrequirements,andonthebasisofresults,thelotmaybeacceptedorrejectedinitsentirety.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:59_140_20
【页数】:3P.;A4
【正文语种】: