Usually, tomatoes are stored at a low temperature. The ripening period and shelf life of tomatoes can be prolonged. However, tomatoes are susceptible to frostbite when they are cold. In this study, UV-treated tomatoes were irradiated to investigate the potential effects of this method on frostbite.
The study found that UV irradiation effectively reduced the frostbite index and postponed the appearance of ethylene peaks. In addition, ultraviolet radiation also reduced tomato weight loss, improved tomato hardness duration maintained the quality of the tomato during storage, and during storage, the tomato The total solubles, soluble protein, and soluble sugar content increased.
Studies have shown that UV treatment can improve the physiological adaptability of tomatoes, reduce tomato stress response to low temperatures, the use of ultraviolet light on the appropriate irradiation treatment of tomatoes will have a positive impact, can ease post-harvest tomato frostbite suffered under low temperature conditions .
Weld-Neck flanges or welding-neck flanges can be differentiated from all other types of flange by their long tapered hub. The Welding neck flanges is normally referred to as the high hub flange. It is designed to transfer stresses to the pipe, thereby reducing high stress concentrations at the base of the flange. A weld neck flange (also known as a high-hub flange and tapered hub flange) is a type of flange. There are two designs. The regular type is used with pipes. The long type is unsuitable for pipes and is used in process plant. A weld neck flange consists of a circular fitting with a protruding rim around the circumference. Generally machined from a forging, these flanges are typically butt welded to a pipe. The rim has a series of drilled holes that permit the flange to be affixed to another flange with bolts.
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