GB 3272-1982 内燃机连杆螺母技术条件
作者:标准资料网 时间:2024-05-15 07:52:35 浏览:8447
来源:标准资料网
基本信息
| 标准名称： | 内燃机连杆螺母技术条件 |
| 中标分类： |
机械 >>
活塞式内燃机与其他动力设备 >>
机体与运动件 |
| 替代情况： | 调整为JB/T 8417-1996 |
| 发布日期： | |
| 实施日期： | 1983-03-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 2页 |
适用范围
没有内容
前言
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目录
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引用标准
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所属分类： 机械 活塞式内燃机与其他动力设备 机体与运动件
Product Code:SAE J1500
Title:Universal Symbols for Operator Controls (Cancelled Jan 1987, Superseded by J1449, J1362, J1048, J389, J107)
Issuing Committee:Motor Vehicle Council
Scope:This standard is to delineate the symbols used to identify controls, indicators, and tell-tales for automotive vehicles, trucks, off-the-road vehicles, construction equipment, industrial and recreational transportation and is for reference purposes only. The symbol application is to be found within the appropriate standards listed.【英文标准名称】:StandardTestMethodsforLow-LevelDissolvedOxygeninWater
【原文标准名称】:水中低水平溶解氧的标准试验方法
【标准号】:ASTMD5543-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D19.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Ampoules;Bichromaticinstrument;Boilerfeedwater;Colorcomparatormethod;Colorimetricanalysis--water;Dissolvedoxygen(DO);Glassampoules;Instrumentalmeasurement--water;RhodazineD;Steam;Steamcondensate;Totaloxygendemand(TOD)
【摘要】:Dissolvedoxygenisdetrimentalincertainboilerandsteamcyclesbecauseitmayacceleratecorrosion.Concentrationsabove10x03BC;g/Lareunacceptableinmanyhigh-pressureboilersystems.Theefficiencyofdissolvedoxygenremovalfromboilerfeedwaterbychemicalormechanicalmeans,orboth,isdeterminedbymeasuringtheconcentrationbeforeandaftertheprocess.Themeasurementisalsomadetocheckforairleakageintotheboilersystem.Theoxygentreatmentmethodforboilercorrosionreductionrequiresinjectionofoxygenintotheboilerfeedwater.Theresultingoxygenlevelismonitoredforcontrolpurposes.1.1Thistestmethodcoversthedeterminationoflow-level(x003C;100x03BC;g/L)dissolvedoxygeninthermal-cyclesteamcondensate,deaeratedboilerfeedwater,boilerwater,anddeaerateddeionizedwater.Thefollowingtestmethodisincluded:
Range,x03BC;g/L
Sections
ColorComparatorTestMethodUsingSelf-FillingGlassAmpoules
0to100
8to17
