| American Institute of Electrical Engineers - 1914 - 1134 halaman
...luminous flux reflected by a surface to the total luminous flux incident upon it. It is a simple numeric. **The reflection from a surface may be regular, diffuse...a superposition of regular and diffuse reflection.** 867 Coefficient of regular reflection is the ratio of the luminous flux reflected regularly to the... | |
| American Institute of Electrical Engineers - 1914 - 104 halaman
...luminous flux reflected by a surface to the total luminous flux incident upon it. It is a simple numeric. **The reflection from a surface may be regular, diffuse...a superposition of regular and diffuse reflection.** 472 Coefficient of Regular Reflection is the ratio of the luminous flux reflected regularly to the... | |
| American Institute of Electrical Engineers - 1917 - 1192 halaman
...luminous flux reflected by a surface to the total luminous flux incident upon it. It is a simple numeric. **The reflection from a surface may be regular, diffuse...a superposition of regular and diffuse reflection.** 867 Coefficient of regular reflection is the ratio of the luminous flux reflected regularly to the... | |
| 1918 - 584 halaman
...reflected in all directions. In perfectly diffuse reflection, the distribution of the reflected flux is **in accordance with Lambert's cosine law. In most practical...a superposition of regular and diffuse reflection.** R 27. Regular reflection factor of a body is the ratio of the regularly reflected flux to the incident... | |
| Olin Jerome Ferguson - 1920 - 266 halaman
...luminous flux reflected by a surface to the total luminous flux incident upon it. It is a simple numeric. **The reflection from a surface may be regular, diffuse...a superposition of regular and diffuse reflection.** 18. Coefficient of regular reflection is the ratio of the luminous flux reflected regularly to the... | |
| Olin Jerome Ferguson - 1920 - 266 halaman
...brightness &„. For surfaces for which the cosine law of emission holds, the quantities 6 and ba are equal. **diffuse reflection the flux is reflected from the...a superposition of regular and diffuse reflection.** 18. Coefficient of regular reflection is the ratio of the luminous flux reflected regularly to the... | |
| William Edward Barrows - 1925 - 440 halaman
...reflected in all directions. In perfectly diffuse reflection, the distribution of the reflected flux is **in accordance with Lambert's cosine law. In most practical...a superposition of regular and diffuse reflection.** 32. The regular reflection factor of a body is the ratio of the regularly reflected flux to the incident... | |
| William Edward Barrows - 1925 - 434 halaman
...perfectly diffuse reflection, the distribution of the reflected flux is in accordance with Lambert.s **cosine law. In most practical cases, there is a superposition of regular and diffuse reflection.** 32. The regular reflection factor of a body is the ratio of the regularly reflected flux to the incident... | |
| Society of Motion Picture and Television Engineers - 1921 - 404 halaman
...directions. In the case of perfectly diffuse reflection, the distribution of the reflected flux is **in accordance with Lambert's cosine law. In most practical...a superposition of regular and diffuse reflection.** 12. ABSORPTION FACTOR (Ab) of a body is the ratio of the flux absorbed by the body to the flux incident... | |
| 1913 - 476 halaman
...luminous flui reflected by a surface to the total luminous flux Incident upon It. It Is a simple numeric. **The reflection from a surface may be regular, diffuse...Coefficient of regular reflection is the ratio of** tbe luminous flux reflected regularly to the total incident flux. Coefficient of diffuse reflection... | |
| |