ITU-R REPORT BS 303-3-1986 Determination of the effects of atmospheric noise on the grade of reception in the Tropical Zone《在热带区域的大气噪声接收等级的测定》.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

GOST 25 101-1983 Strength calculation and testing Representation of random loading of machine elements and structures and statistical evaluation of results《强度计算和试验 机械元件和结构件的随机荷载的表示.pdf

GOST 25 502-1979 Strength analysis and testing in machine building Methods of metals mechanical testing Methods of fatigue testing《在机械制造中的强度分析和试验 金属的机械测试方法 疲劳测试方法》.pdf

GOST 25 503-1997 Design calculation and strength testing Methods of mechanical testing of metals Method of compression testing《强度计算及试验 金属机械试验方法 压缩试验法》.pdf

GOST 25 504-1982 Strength calculation and testing Methods of fatigue strength behaviour calculation《强度计算和试验 疲劳强度性能的计算方法》.pdf

GOST 25 505-1985 Design calculation and strength testing Methods of mechanical testing of metals Method of testing on the low cycle fatigue at heat mechanical loading《设计 计算和强度试验 金属.pdf

GOST 25 506-1985 Design calculation and strength testing Methods of mechanical testing of metals Determination of fracture toughness characteristics under the static loading《强度计算和试.pdf

GOST 25 507-1985 Strength calculation and testing in machine building Methods of fatigue testing under service loading General requirements《机械制造中的强度计算和试验 工作负荷下的疲劳测试方法 一般要求》.pdf

GOST 25 601-1980 Design calculation and strength testings Methods of mechanical testing of polymeric composite materials Test for tensile properties on plane specimens at normal el.pdf

GOST 25 602-1980 Design calculation and strength testings Methods of mechanical testing of polymeric composite materials Test for compression properties at normal elevated and low .pdf