ISO/TR 7882-1986 - 中外标准 - - 1986/11 - 废止
This Technical Report describes a method of determining the thermal conductivity of homogeneous materials or the thermal resistance of coated materials by means of the hot-plate apparatus by applying it to brake linings for road vehicles. The measuring method is suitable for more or less homogeneous porous, fibrous, granulated or coated materials.
制动系统导热性测定制动器试验设备道路车辆试验制动片thermal conductivitybrake liningsbraking systemsbrakestest equipmenttestingtestsroad vehiclesdetermination
ISO 789-4-1986 - 中外标准 - - 1986/10 - 现行
This second edition cancals and replaces the first edition (1982). This part is the fourth of a series of eight. Specifies a method of measuring the smoke emiited by the engines of tractors operating at a steady speed. Annex A gives characteristics of opacimeters; installation and use of theopacimeter is described in annex B; annex C tabulates reference fuel specifications; annex D includes an specimen test report.
排气废气排放牵引车农业机械农用拖拉机农用设备试验条件测量试验Agricultural equipmentAgricultural tractorsExhaust gasesMeasurementTestingTesting conditionsTestsTractors