SNI 06-6855-2002 Test methods of manganese (Mn) content in water by colorimetry with persulphate reagent《用与过硫酸钾试剂比色法测试水中锰(Mn)含量的方法》.pdf

相关资源

IRS 70778-2-2018 Recommendations for determining the carrying capacity and fatigue risks of existing metallic railway bridges.pdf

IRS 70712-2018 Rail defects.pdf

IRS 50596-6-2018 Conditions for coding intermodal loading units in combined transport combined transport lines and wagons.pdf

IRS 50596-5-2018 Transport of road vehicles on wagons-Technical Organisation-Conveyance of semi-trailers with P coding or N coding on recess wagons.pdf

IESNA TM-23-2017 Lighting Control Protocols.pdf

IESNA RP-2-2017 Recommended Practice for Retail Lighting.pdf

ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

ITU-R RAPPORT M 763-3 FRENCH-1990 Signal level variation due to multipath effects and blockage by ship-s superstructure in maritime mobile-satellite service lin.pdf

ITU-R RAPPORT M 739-1 FRENCH-1986 Interference due to intermodulation products in the land mobile service between 25 and 100 MHz《由于互调产物在陆地移动服务25和100 MHz之间产生的干扰》.pdf

ITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdf

猜你喜欢

JUS H G8 439-1990 Reagents Potassium io i e Determination of barium content Turbidimetric method《试剂，碘化钾 测定钡含量 浊度测定》.pdf

JUS H G8 440-1990 Reagents Potassium iodide Determination of loss of mass on drving at 105 C Gravinietric method《试剂，碘化钾 测定 105 C时的质量损失 重力法》.pdf

JUS H G8 441-1990 Reaqents Potassium iodide Determination of arsenic content Sil^pr diethyldithiocarbamate spectrophotometric method《试剂，碘化钾 测定砷含量 二乙基二硫代氨基甲酸银光度法》.pdf

JUS H G8 442-1990 Reaaents Potassium iodide Determination of iodine-reducinq substances (J) Volumetric method《试剂，碘化钾 测定燃烧残留物（J） 体积法》.pdf

JUS H G8 443-1990 Reagents Zine sulphate heptahy rate Determination of zine sulphate heptahydrate content EDTA(di-sodium salt) complexometric method《试剂，7水硫酸锌 测定7水硫酸锌 EDTA（2钠盐）配位测定》.pdf

JUS H G8 444-1990 Reagents Zine sulphate heptahydrate Determination of substances insoluble in water Gravimetric metho 《试剂 七水合硫酸锌 不溶于水的物质的含量测定 重量法》.pdf

JUS H G8 445-1990 Reagents Zine sulphate heptahydrate Measurement of pH Potentiometric method《试剂 七水合硫酸锌 pH值测定 电势测定法》.pdf

JUS H G8 446-1990 Reagents Zine sulphate heptahydrate Determination of chlorides content Turbidimetric method《试剂 七水合硫酸锌 氯化物含量测定 比浊法》.pdf

JUS H G8 447-1990 Reagents Zine sulphate heptahydrate Determination of total nitrogen content Colorimetric method《试剂，七水硫酸锌 测定总含氮量 比色法》.pdf