NF U42-151-1984 Fertilizers Determination of total nitrogen content Titrimetric method after distillation 《肥料 氮总含量的测定 蒸馏滴定法》.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

NASA NACA-TN-3135-1954 Investigation of mutual interference effects of several vertical-tail-fuselage configuration in sideslip《若干侧滑中垂直尾翼和机身结构互相干扰影响的研究》.pdf

NASA NACA-TN-3143-1954 Experimental determination of thermal conductivity of low-density ice《低密度冰的热导率的实验性测定》.pdf

NASA NACA-TN-3162-1954 Effects of subsonic Mach number on the forces and pressure distributions on four NACA 64A-series airfoil sections at angles of attack as high as 28 degrees《在.pdf

NASA NACA-TN-3170-1954 An experimental investigation at low speeds of the effects of lip shape on the drag and pressure recovery of a nose inlet in a body of revolution《唇形对回转体中头部进气.pdf

NASA NACA-TN-3176-1954 Wall interference in wind tunnels with slotted and porous boundaries at subsonic speeds《在亚音速下 带有开缝和可渗透边界的风洞器壁干扰》.pdf

NASA NACA-TN-3221-1954 Study of the subsonic forces and moments on an inclined plate of infinite span《无限翼展的倾斜板亚音速力量和力矩的研究》.pdf

NASA NACA-TN-3245-1954 Calculated subsonic span loads and resulting stability derivatives of unswept and 45 degrees sweptback tail surfaces in sideslip and in steady roll《在侧滑和稳定旋转中.pdf

NASA NACA-TN-3283-1954 Aerodynamic forces moments and stability derivatives for slender bodies of general cross section《一般截面细长体的空气动力 力矩和稳定性导数》.pdf

NASA NACA-TN-3287-1954 Heat transfer from a hemisphere-cylinder equipped with flow-separation spikes《装配有流量分离峰值的半球形汽缸的热传递》.pdf