Under UV light, clean sand appears purple or black. Some minerals, such as calcium carbonate in seashells, glow blue, as does a shovel handle in the picture above.
紫外线照射下，干净的沙子呈紫色或黑色。有些矿物，如海贝中的碳酸钙，会闪着蓝光，就如同上图中的铁锹的把手。
Under UV light, clean sand appears purple or black.
紫外线照射下，干净的沙子呈紫色或黑色。
Under UV light, tar from the Gulf of Mexico oil spill lights up orange-yellow on the beaches of Gulf Islands National Seashore (picture) while clean sand glows purple in a long-exposure picture.
长曝光拍摄的图片中，大片的油污在紫外线下发出橙黄色的光，干净的沙子为紫色。这是海湾岛国家海滨沙滩上的情景。
Can't use Ding Jirong fiber agent and isopropyl alcohol solution to clean the uv PC board.
不可以用丁基溶纤剂和异丙醇溶液来清洗防紫外线的PC板材。
Creators of a newproduct called PhoneSoap say it uses UV-C light to clean the phonewhile charging it, and that the device will begin shipping toconsumers in January 2013.
一种名为PhoneSoap的新产品的发明者表示，这种设备可以在手机充电时，使用C波紫外线来对其进行清洁，此设备将于2013年1月开始投入市场。
This machine adopts vacuuming depress device and makes the stencil press the film evenly. It is exposed clean and realistic stencils by using UV.
本机采用真空压紧装置，使网版均匀地压紧底片，通过紫外光作用，晒制出线条清晰，图案逼真的网版。
This machine adopts vacuuming depress device and makes the stencil press the film evenly. It is exposed clean and realistic stencils by using UV.
本机采用真空压紧装置，使网版均匀地压紧底片，通过紫外光作用，晒制出线条清晰，图案逼真的网版。
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