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Will microwave heating cause harm? 2018-7-13 A few years ago, an article entitled “Please stop using the microwave oven immediately” was heavily forwarded online. The paper lists several evidence that microwave ovens are harmful to the human body and cause …

According to the temperature adaptation range microwave heating to, it can be roughly divided into the following categories. 50-100 ℃: heating, dehydration, vacuum drying, boiling, sterilization, bulk package, plastic area, thawing technology. 100-200 ℃: puffing, foaming, roasting, desulfurization. 200-400 ℃: …

Present situation of sewage treatment in China The production of sewage treatment equipment, in China, began in the late 1970s, when the level of standardization and serialization are very low and stereotyping products are less. Since entering 1990s, the relevant …

Microwave heating principle Absorbing microwave energy is the interaction result that occurs between polar molecules in material and microwave electromagnetic field. Under the action of external alternating electromagnetic field， polar molecules appear polarization phenomenon and change their alternating orientation following …

Efficiency advantage When do freeze-drying operation to materials, we need to supplement sublimation heat and the traditional supplemental methods are mainly three kinds: electric heating, diesel heating, alcohol heating; however, in the vacuum state, there is almost no convection and …

Microwave technology applications for industrial sludge treatment Industrial sludge refers to the oil and water emulsions containing solid debris. Every year, as much as several billion tons of oily sludge is produced globally. Conventional sludge treatment process is: heating demulsification …

As we all know, all levels of hospitals, especially some large hospitals, need to handle a large amount of medical waste every day. Such trash includes disposable surgical instruments, various dressing gauze for demolition, various human tissues cut off, discarded …

As we all know, in the food processing, how to maintain the freshness of the material is the primary consideration, among them, shorten the drying time is very beneficial to maintain the color and flavor of food; Here, we introduce …

Microwave’s wavelength is from 1mm to 1m and its frequency is from300MHZ to 300GHZ. It is similar to light.It is the selectivity of the interaction between the microwave and the substance.Its quantum level is low.

Summary： Currently, low-temperature plasma (temperature from 2000 to 50000K) has been widely used. It has become an important technology means in industry. For example, we use plasma arc to cut, weld, and spray and to manufacture all kinds of novel …

Microwave heating principle Absorbing microwave energy is the interaction result that occurs between polar molecules in material and microwave electromagnetic field. Under the action of external alternating electromagnetic field， polar molecules appear polarization phenomenon and change their alternating orientation following …

Microwave is one kind of electromagnetic wave which frequency range from 0.3GHz to 3000GHz and its wavelength between 0.1 mm to 1.0 m. It is an abbreviation to one limited wave band in radio waves and is a general designation …