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In water dispensers, the application requirement for a liquid level sensor is that it does not pollute the water quality, the sensor is not easy to harbor dirt and evil, and it is easy to clean. The principle of the float sensor is to use changes in water level to drive the float
Can photoelectric liquid level sensors replace float sensors in water dispenser applications?
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Professor Hu Xiangming has made fruitful achievements in recent years. He has undertaken more than 20 national, provincial and ministerial level scientific research projects, involving social stability risk assessment and early warning and emergency management system research on
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Shanghai Aid Diary It has been 27 days since the "Shoushan Aid Medical Team" followed the Shanxi aid Shanghai medical team to Shanghai at the end of April. Although the work was hard and tiring and a lot of sweat was put into it, at the same time, I also gained a lot of warmth, e
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The reason for the punishment shows that the instant foot sports shoes produced by the parties were randomly inspected and the "total heavy metal content" and "phthalate ester" items did not meet the standards of the "Children's Shoes Safety Technical Specifications" and were jud
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It has been said in Marxist philosophy that the world is universally interconnected and is developing eternally. Of course, it can only continue to develop under the influence of interconnectedness. There have been many controversies and opinions on this issue. The vast majority
Germany’s most powerful “nail house”: growing vegetables on an area of 350 square meters between East and West Germany, and no one can drive it away
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As the saying goes, "It is easy to hide an open spear but hard to defend against a hidden arrow." When military generals from the Three Kingdoms fight, they often face the enemy head-on. The two armies have a great chance of survival in front of the formation. For example, Zhang
Who are the famous generals whose heads were shot in the Three Kingdoms? I didn’t expect them to be ruthless characters.
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Author/Writer of "Financial World" Weekly Editor Ni Yuping/Chen Fang's business is also not doing well. At 9 o'clock in the morning, Lao Qian's mobile phone repair shop in Shilibao, Beijing opened on time. As soon as the door was pushed open, the welcome buzzer at the door rang t
The mobile phone repair business is not doing well either: it is losing money every day. The ten-year-old shop closed down and someone lost 100,000 yuan.
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It is said that distant relatives are not as good as close neighbors, and as colleagues, we spend more time with each other every day than with family members, so many colleagues have very good relationships. This is the case for Xiao Wang from Hebei. There are ten people in thei
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Recently, a reality show was released in South Korea called "High School Moms That Elders Don't Understand". In this variety show, teenage mothers are invited to share their parenting stories with the audience.
She got pregnant at 18 and gave birth to a baby at 19. Why did she dare to be so crazy?
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However, a life full of drama is always unsatisfactory. It said in a condescending tone: "Your academic qualifications are good and your family relationship is clean, but you are not very good at it, so I want your identity. As a human being, even if ”
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Overview of steel surface treatment technology The core of the steel surface heat treatment process is to make parts have the mechanical properties of "hard on the outside and tough on the inside". There are four common surface heat treatment technologies: induction heating, flam
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You dare to sleep in the same bed with a living person, but do you dare to sleep next to a dead person? Closer to home, as someone who has experienced the death of many relatives and often buries the deceased, let me tell you, "Why do people's faces change when they die?" Let me
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On the afternoon of July 4, according to Fengyun-4 high-definition visible light satellite cloud images, Typhoon Airi gradually moved eastward in the East China Sea today and has begun to approach the Japanese archipelago. Its peripheral circulation has begun to cause rainfall in
Siam is determined to move north, and a large-scale rain band is about to form! Authoritative forecast: Heavy rain will enter Northeast China
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For more moments that make men collapse, please continue reading: You must have encountered the following situations! There are really many things to learn about the embedded Internet of Things. Don’t learn the wrong route and content, which will lead to a loss of salary. Go up!
I heard that men who make hardware have this advantage
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He has been in love with Hilton's daughter Paris and supermodel Miranda Kerr, and he also spent huge sums of money to propose to the singer Elva Hsiao. He emptied the Malaysian treasury and defrauded Goldman Sachs of 50 billion before disappearing from the world, and his whereabo
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I have been copying and practicing calligraphy in Toutiao for more than 40 days, but I am increasingly dissatisfied with my handwriting. At first, I just thought that I could make money by copying books and practicing calligraphy first. But after writing for a while, I found that
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Editor's note: At the end of the year, the "New Year's Day Essay Collection" series launched by Gelonghui is still in full swing. Each essay we select and publish is a classic investment case in the past year, and it is also a microcosm of the grand investment market. . Today, th
Investment Story | A Xiaosan’s investment journey in 2021
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If you operate by yourself, please pay attention to position control and take risks at your own risk. I regret to think that only people like me who come from an extremely poor background, have been repeatedly and severely beaten and tempered by fate, and have been forced into co
A top domestic private equity guy revealed: If you have a capital of 50,000 yuan and buy stocks in this form, the losers will definitely be the main ones, and there will no longer be any cuts in the stock market.
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In the A-share market, PetroChina and Sinopec are two entities that cannot be ignored. Whether you buy them or not, their total market value is high, but slowly falling.
Which one is stronger, PetroChina or Sinopec? Why hasn’t the stock price risen?
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complained Carl Smich, managing director of Sandfire Resources. Copper mine prices have risen 22.6% this year, while Shahuo Resources' share price has only risen 2.6%.
Shahuo's resource output relies on roaring? Smich dissatisfied with company valuation
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(This article is compiled by the public account Yuesheng Investment Consulting (yslcw927) and is for reference only and does not constitute operational advice. If you operate by yourself, please pay attention to position control and take risks at your own risk.
From a loss of 900,000 to a profit of 5.8 million in 3 years, I only insisted on: selling when it breaks through the upper Bollinger Band, buying when it breaks through the lower Bollinger Band, and almost captured all the short-term gains.
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Principles of bargain hunting: 1. The price increase and decrease list is arranged in an olive shape, that is, the maximum increase is about 3%, and the maximum decrease is only about 3%. Most varieties in the market are in a state of slight increase or slight decrease.
Have you mastered these stock patterns that are prone to explosions at the bottom? Once mastered, you can easily explore the bottom
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