JT/T 691-2007 Test method for coefficient of retroreflected luminance of horizontal coatings.1范围JT/T 691规定了水平徐层材料逆反射亮度系数的测量方法。JT/T 69...
JT/T 690-2007 Test method for photometric characteristics of retroreflectors.1范围JT/T 690规定了逆反射体光度性能测试所用的仪器、试样测试方法及计算方法。...
JT/T 689-200 Test method for coefficient of retroreflection of utilizing the coplanar geometry.1范围JT/T 689规定了利用共平面几何学原理对反光膜的逆反射系数进行...
JT/T 692-2007 Test method for colorimetric characteristics of retroreflectors under nighttime conditions.1范围JT/T 692规定了使用远程色度计或远程光谱辐射度计测量...
JT/T 688-2007 Retroreflection vocabulary.1范围JT/T 688规定了逆反射测量、逆反射体的几何坐标系统和角度表示方法等方面的术语和定义,以及与逆反射...
JT/T 686-2007 Measurer for impact resistance of retroreflective sheeting.1范围JT/T 686规定了反光膜耐冲击性能测定仪的结构、技术要求试验方法、检验规则以...
JT/T 684-2007 Measurer for adhesion performance of zinc coating of steel components.1范围JT/T 684规定了钢构件镀锌层附着性能测定仪的技术要求.试验方法、检验...
JT/T 683-2009 Static friction coefficient measurer of communication conduct.1范围JT/T 683规定通信管道静摩擦系数测量仪(以下简称“测量仪”)的技术要求.试验...
JT/T 681.2-2007 Navigation radar on inland waterway vessels Part 2: Performance testing methods.1范围JT/T 681.2规定了内河船舶导航雷达实船(或趸船)使用性能试验方...
JT/T 681.1-2007 Navigation radar on inland waterway vessels Part 1: Performance requirements.1范围JT/T 681.1规定了内河船舶导航雷达整体性能、分机性能、操作和控...
