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Why doesn't the plane appear the "Diamond Princess" in the air?
Apr , 01 2020
The cabin looks very small, does it mean that the aircraft is not easily ventilated and can cause infection? Will the plane even become the "Princess Diamond" in the air? The answer is "NO"! First, the cabin air is replaced every 2 to 3 minutes, and 20 to 30 times per hour. Aircraft ventilation system mainly makes the air flow up and down. This circulation method can effectively reduce the possibi...
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How to distinguish between cold, flu and COVID-19?
Apr , 02 2020
Winter and spring are influenza seasons each year, and the epidemic of new crown virus pneumonia broke out at the junction of the two seasons this year. As everyone knows, the symptoms of the new coronary pneumonia, flu, and common cold have certain similarities. If you accidentally catch the common cold and flu during this period, you will be more worried than usual and wonder if you are infected...
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Can ultraviolet rays kill COVID-19 virus?
Apr , 02 2020
According to foreign media reports, Dan Arnold works for Ultraviolet Technology, a company that provides disinfection equipment to hospitals, pharmaceutical companies and food manufacturers across the UK. With the global novel coronavirus crisis heating up, whether ultraviolet rays can kill novel coronavirus has also become a hot topic. Recently, Arnold received some unusual advice, many people as...
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Will the forehead thermometer radiate? Why should we choose a forehead thermometer?
Apr , 03 2020
Every day when I go in and out of the community, I will be required to take a temperature measurement, commuting work. The most commonly used is a forehead thermometer. Some netizens may be confused. Will there be radiation with the forehead thermometer for measuring body temperature? Why use a forehead thermometer? How to effectively improve the accuracy of temperature measurement? Don't worry, A...
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Is the temperature getting lower? To see if you have applied makeup?
Apr , 14 2020
Cosmetics can not only change the skin infrared temperature measurement value, the error may also be large. Right now, the new coronavirus is ravaging the world, and non-contact infrared thermometers are widely available at the entrances of various public places. As long as you go out, you will inevitably be measured several times a day. Although today's infrared temperature measurement technology...
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What should I do if the disinfectant accidentally splashes into my eyes? It is important to learn this trick
Apr , 14 2020
During the epidemic, disinfection has almost become a daily task for every household. 84 disinfectants, 75% medical alcohol and other disinfectants have also become standing supplies in the home. However, improper use of disinfectants also poses safety risks for some families. Recently, Pan Changjiang posted a video online. In the video, Changjiang Chang came to her daughter's house, but she was s...
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Which is better for the quartz clock movement to jump seconds or sweep seconds?
Apr , 28 2020
Quartz clock movement jump seconds and sweep seconds are two forms, quartz clock movement jump seconds or sweep seconds which is better? The following is to introduce you to the quartz clock movement jump seconds and sweep seconds of the two forms, in order to facilitate your purchase. The second-jumping movement means that the second hand of the clock will beat and turn and make a slight "ti...
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Comparison between quartz clock movement and mechanical movement.
Apr , 28 2020
Quartz clock movement and mechanical movement are two ways of movement, both of which are more common forms of watch movement. Here is a comparative introduction of quartz clock movement and mechanical movement, so that you can choose a suitable watch movement. Quartz movement in the movement is more common, to put it bluntly, it is "simple, anti-manufacturing, accurate and cheap". Here, "simple" ...
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Replacement of quartz clock movement
Apr , 28 2020
Quartz clock movement is a common movement variety of high-end watches on the market, many famous watches use quartz clock movement, after the quartz clock movement has been used for a period of time, it needs to be replaced, so that the clock can work better, the following is to introduce the replacement of the quartz clock movement, so that you can replace the quartz clock movement yourself. As ...
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Pirate King's Wooden Clock Blind Box——Special Present
Jun , 03 2020
Are you still worrying about what to buy for your family or friends? Wine? That’s too expensive Shoes? But the moral is not good So here I would like to recommend a universal gift for giving options -- Wooden Clock Blind Box Amazing? And what is the blind box of wood clock? A creative wood clock with a good quality LED screen on the left side, And a surprise on the right side. What surprises are h...
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The structure and working principle of mechanical clocks
Aug , 17 2020
There are many structural forms of mechanical clocks, but their working principles are basically the same. Clocks and watches are mainly composed of the prime mover system, transmission system, escapement governor, pointer system and winding needle system. The mechanical clock uses a clockwork as the motive force of the driving system, and drives the escapement governor to work through a transmiss...
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What is a micro switch?
Aug , 17 2020
A micro switch is a contact mechanism that has a small contact interval and a snap-action mechanism, and uses a specified stroke and a specified force to switch action. It is covered by a shell and has a drive rod outside of it. Because the contact distance of the switch is relatively small, hence the name micro switch, also known as sensitive switch or snap-action switch. Introduction The micro s...
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