Explanatory article on microwave oven 1 Everyone must be familiar with microwave oven, which is one of the necessary tools for modern home. If you don't want to cook or don't have time to cook, you can take the microwave oven to heat it up. It's convenient and fast, it can be done in a few minutes, and you don't have to spend too much time and energy on cooking.
The microwave oven is very simple to operate. Just put the food that needs to be heated in the microwave oven and set the time to heat it. When the time comes, it will shut itself down.
But why is the microwave oven so fast? In fact, the magic of microwave oven lies in the electromagnetic waves it emits. This kind of electromagnetic wave is also called "microwave" because of its short wavelength. This kind of electromagnetic wave can penetrate the object and heat the inside and outside of the food synchronously, so that the heat will not penetrate into it bit by bit, which greatly saves the heating time. If two pieces of the same frozen meat are thawed by boiling water and microwave respectively. The skin boiled in water is 26 degrees Celsius, but the inside remains 0 degrees. The surface temperature of the microwave oven is 24 degrees, and the inside is 22 degrees.
Although the microwave oven is convenient, it is also very dangerous. The microwave it emits will do harm to human body. Moreover, some kinds of articles must not be heated in the microwave oven. Such as: water, closed objects and metals, some plastics, etc. When water is put into it, sudden boiling will occur, sealed objects will explode, metals will explode, and some plastic products will burn and fire will occur.
Microwave oven is convenient and dangerous, but as long as we use it reasonably and correctly, there will be no accidents. Pay attention to the use of porcelain heating, do not put other debris on it, it can benefit mankind.
As early as more than 50 years ago, electrical appliances have spread all over the world. Now, it has entered every household in our country with lightning speed. There are many electrical appliances such as TV sets, refrigerators, microwave ovens and computers in my home. Among them, what I want to thank most is my microwave oven. The color of the microwave oven is silver gray, and there are dozens of exhaust ports above the microwave oven. Its shape is similar to that of 14 inch LCD screen, but this "screen" can be opened, and there is a transparent round glass turntable in it, which is used to put food. There is a time display in the upper right corner of the "screen", and there are more than twenty buttons below, which have various functions. You can choose the buttons according to your own needs. The shape of microwave oven is not outstanding, but its function is wonderful. It can be used for hot and cold food, as well as cooking, barbecuing, steaming eggs and thawing ... In short, the microwave oven is an all-round good cook. ? If you want to heat the rice, put it in the microwave bowl, then put it in the microwave oven, press the time button for one minute, and then press the start button. When the time comes, it will automatically sing and the meal will be hot. If you want to do it quickly, you can increase your firepower! This microwave oven serves our whole family, and our whole family likes it.
Composition 3 "Di … Di …" about the microwave oven. Listen, where is the crisp sound? Ah! It was a microwave oven.
Microwave oven is a kind of household appliance. Its shape is very simple, it is a cuboid, and it wears a snow-white coat. There is a regulator on the left side of the microwave oven, which is specially used to adjust the temperature and time; There are also keys such as start, stop/cancel, firepower and clock; Of course, there is also a display screen. There is a glass turntable at the bottom of it, and the food is placed on the turntable and rotates slowly, so that it is heated evenly and reduces time.
The main purpose of microwave oven is to heat, cook and thaw food. It not only has so many functions, but also has many benefits: 1, tableware disinfection and sterilization: tableware can be heated in the microwave oven for disinfection and sterilization except metal products and porcelain with metal trim, which is convenient and thorough. 2, food preservation-for leftovers, in order to prevent deterioration, it can be heated in a microwave oven for a few minutes with the container, and then stored in the refrigerator after cooling, which can relatively increase the preservation and quality guarantee time. Drug moth and mildew prevention: Valuable Chinese herbal medicines are often scrapped due to moth. If they are put into a microwave oven to be warm, they can be sealed in plastic bags after cooling, and then stored for a long time. Mung beans, red beans, soybeans, fungus and other foods can also be processed and packaged in this way, which is equally effective. ……
Microwave oven is very useful and convenient to use, and it will surely become an indispensable household appliance.