3. When turning on the UV light, the front window of the biosafety cabinet should be closed first to avoid UV radiation from entering the cabinet door. After the UV light is turned on, open the front window and place the test item in the biosafety cabinet. When turning off the UV light...
How to use deep UV LED? 1.Smart toilet, food fresh-keeping box and smart trash can: insert uvc-led light beads on the side or top of the appropriate inner cavity, and directly sterilize the sterilized objects with ultraviolet light. The sterilization time is preliminarily converted according t...
How to use it correctly? In bright sunlight, cannabis plants tend to be relatively short, because direct sunlight usually has more red light than far red, and plants respond to this ratio. Therefore, if the plant gets more light at 660nm than 730nm, the stem tends to be shorter and the...
百度试题 题目3. How does UV light cause mutation?相关知识点: 试题来源: 解析反馈 收藏
UV features, how to better use of its service of humanity, the world put a lot of manpower, material resources. Natural ultraviolet from the sun, study of artificial UV light source is the industry's biggest task, the DUV led its unique advantages for the industry recognized. In order to...
How to use a flashlight or other light to spot building contaminants on surfaces. The fact that mold is "hidden" or hard to spot on some surfaces in buildings does not mean you cannot find it. While this is perfectly obvious to some folks, too many of us haven't considered that is yo...
These printers are fast, producing the meniscus in about half an hour, one thin strand at a time.After printing, some bioinks will stiffen immediately; others need UV light or an additional chemical or physical process to stabilize...
Another important technique is using a UV light source to cure the adhesive. This ensures that the glue is fully cured and the bond is strong. Additionally, it is helpful to use clamps or other holding devices to keep the surfaces in place while the adhesive cures. ...
After you hear a conversation and the question about it, read the four possible answers on your paper, and decide which one is the best answer to the question you have heard. 1.A.She loves this beautiful world. B.She ...
An alternative is to treat the air, using UV-C light. That can take place above or below the ceiling tiles. For example, an emerging solution is combining UV-C light with electrostatic technology in one filter in an air handling unit (AHU). Or an in-room unit can circulate the air th...