MIL-HDBK-103AB
作者:标准资料网 时间:2024-05-21 14:45:33 浏览:8973
来源:标准资料网
MIL-HDBK-103AB, DEPARTMENT OF DEFENSE HANDBOOK: LIST OF STANDARD MICROCIRCUIT DRAWINGS (19 MAR 2008)., The Standard Microcircuit Drawing Program (SMDP) is directly under the auspices of the DoD Parts Management Program (PMP). The PMP is implemented by MIL-HDBK-512, "Parts Management." The PMP will be the avenue for screening candidate parts for the SMDP by the DSCC Military Parts Control Advisory Group (MPCAG).
【英文标准名称】:StandardTestMethodforNondestructiveAssayofSpecialNuclearMaterialHoldupUsingGamma-RaySpectroscopicMethods
【原文标准名称】:用Υ射线光谱法对特殊核物质含量无损分析的标准试验方法
【标准号】:ASTMC1455-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:C26.10
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:γ射线照相术;γ射线光谱测定法;无损检验;放射性同位素;放射性核素;光谱学
【英文主题词】:holdup,;holdupmeasurements;in-processinventory;materialholdup;nuclearmaterialholdup
【摘要】:1.1Thistestmethoddescribesgamma-raymethodsusedtonondestructivelymeasurethequantityof235U,or239Puremainingasholdupinnuclearfacilities.Holdupoccursinallfacilitieswherenuclearmaterialisprocessed,inprocessequipment,inexhaustventilationsystemsandinbuildingwallsandfloors.1.2Thistestmethodincludesinformationusefulformanagement,planning,selectionofequipment,considerationofinterferences,measurementprogramdefinition,andtheutilizationofresources(1,2,3,4).1.3Themeasurementofnuclearmaterialholdupinprocessequipmentrequiresascientificknowledgeofradiationsourcesanddetectors,transmissionofradiation,calibration,facilityoperationsanderroranalysis.Itissubjecttotheconstraintsofthefacility,management,budget,andschedule;plushealthandsafetyrequirements;aswellasthelawsofphysics.Themeasurementprocessincludesdefiningmeasurementuncertaintiesandissensitivetotheformanddistributionofthematerial,variousbackgrounds,andinterferences.Theworkincludesinvestigationofmaterialdistributionswithinafacility,whichcouldincludepotentiallylargeholdupsurfaceareas.Nuclearmaterialheldupinpipes,ductwork,gloveboxes,andheavyequipment,isusuallydistributedinadiffuseandirregularmanner.Itisdifficulttodefinethemeasurementgeometry,toidentifytheformofthematerial,andtomeasureitwithoutinterferencefromadjacentsourcesofradiation.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F80
【国际标准分类号】:27_120_30
【页数】:8P.;A4
【正文语种】:
基本信息
| 标准名称： | 冲模滑动导向钢板模架 四导柱模架 |
| 中标分类： |
机械 >>
工艺装备 >>
模具 |
| 发布部门： | 中华人民共和国机械工业部 |
| 发布日期： | 1995-03-27 |
| 实施日期： | 1995-07-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 归口单位： | 桂林电器所 |
| 出版社： | 机械工业出版社 |
| 出版日期： | 1995-07-01 |
| 页数： | 3 页 |
适用范围
本标准规定了冲模滑动导向钢板模架四导柱模架的结构形式、尺寸规格、技术条件及标记。
本标准适用于冲模。
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所属分类： 机械 工艺装备 模具
