The short arc Xenon lamp is a sort of point source having very high luminous intensity and a continuous spectrum from ultraviolet to IR.
短弧氙灯是一种发光强度高，具有从紫外到红外的连续光谱的点光源。
2
By thin film oven test and ultraviolet photooxidation test, asphalt performance indices were studied, including penetration, softening point, ductility and viscosity.
采用沥青薄膜加热试验和紫外线老化试验，对沥青的针入度、软化点、延度和粘度等性能指标进行了试验研究。
3
The Cerex UV Hound is a point-monitor that USES ultraviolet light to continuously examines the air to detect, identify, and quantify airborne threats.