1)  darkness value
黑度值
2)  blackness
黑度
1.
A New Method for Blackness Determination;
高炉熔料黑度近似测定的新方法
2.
The influences of NH_4VO_3 concentration,and solution temperature on wear resistance,surface roughness,adhesion,blackness and thickness of the ceramic coatings were studied.
在磷酸盐溶液中加入NH4VO3,通过微弧氧化工艺在6061铝合金上制得了黑色陶瓷膜,研究了NH4VO3含量、溶液温度对膜层的耐磨性、表面粗糙度、附着力、黑度、厚度的影响。
3.
The change of coating physical properties, reduction of its blackness will reduce the heat radiation of equipment to atmosphere.
设备表面防腐蚀涂层对设备的散热有着一定的影响,改变涂层的物性、降低其黑度值,便能降低设备表面对大气的散热。
3)  Emissivity
黑度
1.
In this paper,thd relationship between emissivity of cement clinders and its compositionat the temperature of 1000~1300℃ is studied.
本文研究了1000~1300℃范围内水泥熟料的黑度与成分间的关系。
2.
Based on the Wien s law temperature and emissivity of flame were obtained by processing the measured data with an optimization algorithm.
根据这一特点,从维恩公式出发,利用最优化方法处理测得的火焰辐射光谱信号,得到了火焰的温度和黑度。
3.
Then based on emissivity,it carries research and experiment on the function of the heat transmisson of paint,followed by the ε-λ relationship curve.
本文从理论上分析了远红外辐射涂料节能原理 ,发现涂料黑度随波长增加呈增加趋势 ,并进行了涂料传热性能的试验研究 ,得出了远红外辐射涂料的ε -λ的关系曲线。
4)  Density
黑度
1.
Redefinition the Density of Digitizing Radiographic Testing Technique;
工业数字成像技术中黑度概念的变化
2.
Through the developing of the relation formula of density, exposure degree and exposure distance and then defining the .
并建立了偏心周向一次曝光时最大偏心距与环缝外半径的关系式 ,建立了当实际偏心距超过一次曝光的最大偏心距而采用偏心周向分次曝光法透照时分次点计算式和任意点黑度计算
5)  blackening
乌黑度
1.
Improvement of the blackening of C.I.Reactive Black 5;
提高C.I.活性黑5的乌黑度
6)  aethalometer
黑度仪
参考词条
补充资料:专用换值黑度
分子式:
CAS号:

性质:又称凯撒换值(Kaiser transformation)或专用换值黑度。乳剂特性曲线中用来代替黑度S的数值。其定义为:P=kS+(1-k)W;式中,W为换值黑度,k为换值常数,其数值与波长有关。当k=0时,P=W;k=l时,P=S;k=0.5时,上式可简化为:非记录式的测微光度计上装有黑度换值P的标尺,通称“P”标尺。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。