MIL-STD-1587B
时间:2024-05-13 23:14:13 来源: 标准资料网 作者：标准资料网 阅读：8378
MIL-STD-1587B, MILITARY STANDARD: MATERIALS AND PROCESS REQUIREMENTS FOR AIR FORCE WEAPON SYSTEMS (30 NOV 1984) [S/S BY MIL-HDBK-1587]., This standard establishes the requirements for materials and processes used during design and production of aerospace weapon systems.
【英文标准名称】:Paperconesforyarnwinding(crosswound)
【原文标准名称】:络纱用宝塔纸管(横向缠绕)
【标准号】:JISL6417-1982
【标准状态】:现行
【国别】:日本
【发布日期】:1982-06-15
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonIndustrialMachinery
【标准类型】:()
【标准水平】:()
【中文主题词】:络纱机;锥形筒子;锥形筒子络筒机
【英文主题词】:windingmachines;cone-windingmachines;cones(textilemachinery)
【摘要】:この規格は,あや巻用コーソ紙管についで規定する。
【中国标准分类号】:W96
【国际标准分类号】:59_120_40
【页数】:8P;A4
【正文语种】:日语
【英文标准名称】:StandardTestMethodforDeterminingTransmissivityandStorativityofLowPermeabilityRocksbyInSituMeasurementsUsingPressurePulseTechnique
【原文标准名称】:用压力脉冲技术现场测量低渗透性岩石的透射率和释水系数的标准试验方法
【标准号】:ASTMD4631-1995(2008)
【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】:D18.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:boreholedrilling;discontinuities;faultzones;fieldtestingflowandflowrate;groundwater;permeability;pressuretesting;pulsetesting;rock;saturation;storativity;transmissivity;viscosity;water;watersaturation;Boreholedrilling;Discontin
【摘要】:TestMethod8212;Thepulsetestmethodisusedtodeterminethetransmissivityandstorativityoflow-permeabilityformationssurroundingthepacked-offintervals.Thistestmethodisconsiderablyshorterindurationthanthepumpandslugtestsusedinmorepermeablerocks.Toobtainresultstothedesiredaccuracy,pumpandslugtestsinlow-permeabilityformationsaretootimeconsuming,asindicatedinFig.1(fromBredehoeftandPapadopulos(1)).Analysis8212;Thetransientpressuredataobtainedusingthesuggestedmethodareevaluatedbythecurve-matchingtechniquedescribedbyBredehoeftandPapadopulos(1),orbyananalyticaltechniqueproposedbyWangetal(2).Thelatterisparticularlyusefulforinterpretingpulsetestswhenonlytheearly-timetransientpressuredecaydataareavailable.Units:Conversions8212;Thepermeabilityofaformationisoftenexpressedintermsoftheunitdarcy.Aporousmediumhasapermeabilityof1darcywhenafluidofviscosity1cP(1mPax00B7;s)flowsthroughitatarateof1cm3/s(10x2212;6m3/s)/1cm2(10x2212;4m2)cross-sectionalareaatapressuredifferentialof1atm(101.4kPa)/1cm(10mm)oflength.Onedarcycorrespondsto0.987x03BC;m2.Forwaterastheflowingfluidat20x00B0;C,ahydraulicconductivityof9.66x03BC;m/scorrespondstoapermeabilityof1darcy.ViscosityofWater8212;Table1showstheviscosityofwaterasafunctionoftemperature.TABLE1ViscosityofWaterasaFunctionofTemperatureTemperature,x00B0;CAbsoluteViscosity,mPax00B7;s0
1.79
2
1.67
4
1.57
6
1.47
8
1.39
10
1.31
12
1.24
14
1.17
16
1.11
18
1.06
20
1.00
22
0.96
24
0.91
26
0.87
28
0.84
30
0.80
......