Product Code:SAE AIR877
Title:Aerospace - Particle Count Data Conversion and Extrapolation
Issuing Committee:A-6c1 Contamination And Filtration Committee
Scope: This Aerospace Information Report (AIR) describes a mathematical model that can be used to analyze particle count data. Particle counts that fit the model can be graphically displayed, converted from one counting size-frequency range to another, and extrapolated to estimate counts beyond the measured range. Derivation, applications and calculations are described. Cumulative particle counts larger than stated size-range are fitted against a modified log-normal distribution function by plotting on special log-log graph paper. Many real particle distributions approximate a straight line, showing good fit for this log-normal model. The resultant plot provides a basis for further analysis, including size-range conversion and extrapolation.【英文标准名称】:Assistiveproductsforpersonswithdisability.Generalrequirementsandtestmethods
【原文标准名称】:残疾人技术辅助器具.通用要求和试验方法
【标准号】:BSEN12182-2012
【标准状态】:现行
【国别】:英国
【发布日期】:2012-06-30
【实施或试行日期】:2012-06-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:可访问的;适用于残疾人的设计;调节元件;辅助设备;残疾人辅助器具;磨切;床上用品;制动系统;药液;分类;清洁处理;兼容性;污染物;耐腐蚀性;传染危险性;危险物质;定义;设计;残疾人;效率;电热毯;电气安全性;电磁兼容性;电磁兼容性(EMC);紧急断开;人类工效学;紧固件;易燃性;可折叠特性;残废人;缺陷者;信息系统;喷射铸造零件;负载限度;材料选择;材料;床垫;机械卷边连接;机械性能;医疗器械;医学科学;智力缺陷人;风险分析;安全性;安全性要求;声音;规范(验收);无菌;灭菌(卫生);适合残疾人用的;表面温度;专门装备;温度;试验;残疾人的运送;用户信息;用户接口;振动;报警装置
【英文主题词】:Accessible;Adapteddesigningfordisabledpersons;Adjustingelements;Aids;Aidsforthedisabled;Attrition;Bedding;Brakingsystem;Chemicals;Classification;Cleaning;Compatibility;Contamination;Corrosionresistance;Dangerofinfection;Dangerousmaterials;Definitions;Design;Disabledpeople;Efficiency;Electricblankets;Electricalsafety;Electromagneticcompatibility;EMC;Emergency-off;Ergonomics;Fasteners;Flammability;Foldingbehaviour;Handicappedpeople;Handicappedpersons;Informationsystems;Injectionmouldingparts;Loadlimit;Materialselection;Materials;Mattresses;Mechanicalcrimping;Mechanicalproperties;Medicaldevices;Medicalsciences;Mentally-handicappedpeople;Riskanalysis;Safety;Safetyrequirements;Sound;Specification(approval);Sterility;Sterilization(hygiene);Suitableforhandicappedpersons;Surfacetemperatures;Technicalaid;Temperature;Testing;Transportationofhandicappedpersons;Userinformation;Userinterface;Vibration;Warningdevices
【摘要】:
【中国标准分类号】:C45
【国际标准分类号】:11_180_01
【页数】:66P;A4
【正文语种】:英语