Computer Room Air Conditioning - How do CRAC units work?

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Computer Room Air Conditioning - How do CRAC units work? - DayDayNews

Computer Room Air Conditioning - How do CRAC units work? - DayDayNews

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Article 9.3.12 states that in the vertical exhaust ducts of bathrooms, toilets and kitchens in public buildings, backflow prevention measures should be taken and fire dampers with a nominal operating temperature of 70°C should be installed on the branch pipes. The oil fume exhaus - DayDayNews

Article 9.3.12 states that in the vertical exhaust ducts of bathrooms, toilets and kitchens in public buildings, backflow prevention measures should be taken and fire dampers with a nominal operating temperature of 70°C should be installed on the branch pipes. The oil fume exhaus

Learn with me "Code for Fire Protection Design of Buildings" GB50016-2014-9.3.12~9.3.16

06/26 1569

With the improvement of intelligent systems, smart locks have begun to enter people's field of vision. Smart door locks have won the favor of users due to their convenience, safety and other advantages. However, since the domestic smart door lock industry does not yet have releva - DayDayNews

With the improvement of intelligent systems, smart locks have begun to enter people's field of vision. Smart door locks have won the favor of users due to their convenience, safety and other advantages. However, since the domestic smart door lock industry does not yet have releva

Industry News · When purchasing a smart lock, make your decision after reading this article

06/27 1150

For formaldehyde control after decoration of new houses, the first thing most owners are concerned about is the price. Many owners will feel this way when inquiring about the price of formaldehyde removal: a house of about 100 square meters needs to remove indoor formaldehyde, an - DayDayNews

For formaldehyde control after decoration of new houses, the first thing most owners are concerned about is the price. Many owners will feel this way when inquiring about the price of formaldehyde removal: a house of about 100 square meters needs to remove indoor formaldehyde, an

How much does it cost to remove formaldehyde from a 100 square meter new house?

06/27 1701

Nine times out of ten life will be unsatisfactory, only having a house in hand can really make people feel at ease. Is this something that many people born in the 90s and 95s are anxious about? The owner of this case is a 29-year-old man. He worked hard to buy this 2-story duplex - DayDayNews

Nine times out of ten life will be unsatisfactory, only having a house in hand can really make people feel at ease. Is this something that many people born in the 90s and 95s are anxious about? The owner of this case is a 29-year-old man. He worked hard to buy this 2-story duplex

I bought my first house at the age of 29. It is a two-story duplex with a log style. The whole house is spotless and gives me a sense of security.

06/26 1200

Asparagus, native to South Africa, grows in the mountains and is also cultivated in gardens, reaching a height of several meters. It is also grown in the south of my country, while in the north it is mostly grown in pots. Asparagus asparagus has slightly fleshy roots, soft stems, - DayDayNews

Asparagus, native to South Africa, grows in the mountains and is also cultivated in gardens, reaching a height of several meters. It is also grown in the south of my country, while in the north it is mostly grown in pots. Asparagus asparagus has slightly fleshy roots, soft stems,

Asparagus, an ornamental plant, loved by everyone

06/27 1698

Modern style is highly sought after by young people. The editor has a decoration case of this style in hand. It is a two-bedroom apartment with an area of 124 square meters and a total cost of 90,000. Let’s take a look at the actual decoration effect. The large area of white - DayDayNews

Modern style is highly sought after by young people. The editor has a decoration case of this style in hand. It is a two-bedroom apartment with an area of 124 square meters and a total cost of 90,000. Let’s take a look at the actual decoration effect. The large area of white

92-square-meter modern style two-bedroom apartment, adding light wood color to white, simple but not simple

06/26 1892

Most people don’t choose lights. I only look at the price and style, warm light or white light? Just looking at these, it is estimated that no matter how well decorated your home is, turning on the lights at night will instantly lower the decoration effect of your home. Or the wh - DayDayNews

Most people don’t choose lights. I only look at the price and style, warm light or white light? Just looking at these, it is estimated that no matter how well decorated your home is, turning on the lights at night will instantly lower the decoration effect of your home. Or the wh

How to buy lamps for new house decoration? You must clearly understand these eight points

06/27 1963

Today I bring you a large house with a sense of ritual. The interior layout is not only clear between movement and quiet, but also separates diners. The three main functional areas are almost self-contained and do not interfere with each other. It is very practical and private! D - DayDayNews

Today I bring you a large house with a sense of ritual. The interior layout is not only clear between movement and quiet, but also separates diners. The three main functional areas are almost self-contained and do not interfere with each other. It is very practical and private! D

A large house with a sense of ritual. I believe you will also like this layout.

06/27 1166

Introduction: 6 kinds of flowers belong to the immortal series in summer. They are tough, strong, beautiful and luxuriant. Each pot will flourish. Every summer, July and August, when the weather is relatively hot, the potted flowers and plants we grow on our balconies and terrace - DayDayNews

Introduction: 6 kinds of flowers belong to the immortal series in summer. They are tough, strong, beautiful and luxuriant. Each pot will flourish. Every summer, July and August, when the weather is relatively hot, the potted flowers and plants we grow on our balconies and terrace

"6 kinds of flowers" belong to summer, they are tough, hardy and heat-resistant, beautiful and lush, and every pot will flourish.

06/26 1082

Today, the editor saw a message from a friend. The original text asked: Is it better to use No. 5 plastic or No. 7 plastic for water cups? Regarding this issue, the editor has explained in detail what the numbers and symbols at the bottom of the plastic water cup mean in several - DayDayNews

Today, the editor saw a message from a friend. The original text asked: Is it better to use No. 5 plastic or No. 7 plastic for water cups? Regarding this issue, the editor has explained in detail what the numbers and symbols at the bottom of the plastic water cup mean in several

Is it better to use No. 5 plastic or No. 7 plastic for plastic water cups?

06/27 1440

House plan (before renovation) Entering the room is the beginning of a sense of ritual. Every small detail will be fascinating. The entrance mural is antique and pleasing to the eye. The shoe cabinet is simple and matched with the wooden background, which is full of design! Flowe - DayDayNews

House plan (before renovation) Entering the room is the beginning of a sense of ritual. Every small detail will be fascinating. The entrance mural is antique and pleasing to the eye. The shoe cabinet is simple and matched with the wooden background, which is full of design! Flowe

"Changde" is an elegant and warm new Chinese style, using minimalist lines to create a new Chinese style trend

06/27 1939

The set of cases recommended to you today is a small three-bedroom apartment with an area of 89 square meters. Floor plan design strategy: 1. Cancel the living room balcony and merge it into the living room to maximize the spatial scale of the living room area. 2. Remove the wa - DayDayNews

The set of cases recommended to you today is a small three-bedroom apartment with an area of 89 square meters. Floor plan design strategy: 1. Cancel the living room balcony and merge it into the living room to maximize the spatial scale of the living room area. 2. Remove the wa

89㎡ small three-bedroom apartment, super simple and elegant, enjoy slow life

06/27 1583

Some time ago, a friend said that he always had nightmares, couldn't sleep well, and had trouble doing things on weekdays. He wanted to know what was going on. After looking at the layout of his house, I discovered that there was a painting hanging directly opposite his bed. The - DayDayNews

Some time ago, a friend said that he always had nightmares, couldn't sleep well, and had trouble doing things on weekdays. He wanted to know what was going on. After looking at the layout of his house, I discovered that there was a painting hanging directly opposite his bed. The

Common layout traps in residential buildings. How many of them have your home fallen into?

06/27 1226

Because fair-faced concrete can save construction costs and has a beautiful appearance, it is loved by many architects. Fair-faced concrete is a truly green and environmentally friendly concrete on the market. Because it is formed once, it does not require repair and plastering. - DayDayNews

Because fair-faced concrete can save construction costs and has a beautiful appearance, it is loved by many architects. Fair-faced concrete is a truly green and environmentally friendly concrete on the market. Because it is formed once, it does not require repair and plastering.

"Concrete color difference repair agent" has so many benefits? We only do professional

06/27 1022

Hollowing is a common quality problem in housing projects. It means that the decoration surface layer (plaster layer or tiles) and the base layer are not handled well and the combination is not tight, resulting in a gap space between the base layer and the decoration surface laye - DayDayNews

Hollowing is a common quality problem in housing projects. It means that the decoration surface layer (plaster layer or tiles) and the base layer are not handled well and the combination is not tight, resulting in a gap space between the base layer and the decoration surface laye

You can repair the hollow on the ground by yourself. It feels like you saved 100 million.

06/27 1924

Many bloggers say that double eyelids are a bad thing and everyone is doing it, so why don’t you tell me a better solution? Don't tell me to use single eyelids, they are the same. There are a lot of them on the Internet from Zhang Bojiao in various sizes and with various craftsma - DayDayNews

Many bloggers say that double eyelids are a bad thing and everyone is doing it, so why don’t you tell me a better solution? Don't tell me to use single eyelids, they are the same. There are a lot of them on the Internet from Zhang Bojiao in various sizes and with various craftsma

How to do double eyelid ceiling? The methods vary depending on the height of the room, so don’t generalize.

06/27 1484

In recent years, IU Lee Ji-eun has shown her superb acting skills through Korean dramas such as "My Uncle" and "Hotel Del Luna". She also participated in the film "The Broker" by the famous Japanese director Hirokazu Kore-eda, playing the role of a mother for the first time. In t - DayDayNews

In recent years, IU Lee Ji-eun has shown her superb acting skills through Korean dramas such as "My Uncle" and "Hotel Del Luna". She also participated in the film "The Broker" by the famous Japanese director Hirokazu Kore-eda, playing the role of a mother for the first time. In t

National sister IU and Lee Ji-eun revealed that she once suffered from bulimia! In addition to sleeping, I overeat

06/27 1585

Zhao Wei's "Huanzhugege" became popular, and the little swallow inside was given a lifelike shape by her. However, she was greedy and committed adultery along the way. Hua, in the end, the country couldn't stand it anymore. Her works were removed from the shelves and she personal - DayDayNews

Zhao Wei's "Huanzhugege" became popular, and the little swallow inside was given a lifelike shape by her. However, she was greedy and committed adultery along the way. Hua, in the end, the country couldn't stand it anymore. Her works were removed from the shelves and she personal

Zhao Wei: The ambition of committing a crime against the wind exploded. The crime was not only pro-Japanese and insulting to China, but the end was really satisfying.

06/27 1259

In addition, you should pay attention to the changes in the dining environment around your store. Have the dining hot spots that were previously driven by the popularity of your store have shifted? Everything will have a cycle of ups and downs. In 7 years, a life goes from birth - DayDayNews

In addition, you should pay attention to the changes in the dining environment around your store. Have the dining hot spots that were previously driven by the popularity of your store have shifted? Everything will have a cycle of ups and downs. In 7 years, a life goes from birth

Tips for promotional activities in restaurants and hotels (2)

06/27 1099

As the number of restaurants increases day by day, I find that many of them have elegant, high-end decorations, delicious dishes, and low prices, but their business is not good. Therefore, the initial marketing plan is particularly important. Marketing is not only to let more peo - DayDayNews

As the number of restaurants increases day by day, I find that many of them have elegant, high-end decorations, delicious dishes, and low prices, but their business is not good. Therefore, the initial marketing plan is particularly important. Marketing is not only to let more peo

Is there any marketing plan that can make restaurant business prosperous?

06/27 1805

Source: Wenzhou News Network Meituan’s takeaway boy Mr. Luo tastes “half-price dishes” at Tianye Chinese Restaurant. Photo by Wenying Wenzhou Net News "A portion of pork with dried plums and vegetables and stir-fried pumpkin costs only 11 yuan." At 7:30 pm on August 16, Mr. Luo, - DayDayNews

Source: Wenzhou News Network Meituan’s takeaway boy Mr. Luo tastes “half-price dishes” at Tianye Chinese Restaurant. Photo by Wenying Wenzhou Net News "A portion of pork with dried plums and vegetables and stir-fried pumpkin costs only 11 yuan." At 7:30 pm on August 16, Mr. Luo,

This restaurant in Wenzhou launches "half-price dishes" during off-peak dining periods: reducing food waste by half and attracting many customers

06/27 1988

There is a small restaurant with an area of less than 20 square meters. The owner's surname is Li. He is a typical southerner who is hard-working and dedicated to starting a business. He is almost 30 years old and has not yet started a family. He works as a chef and a waiter an - DayDayNews

There is a small restaurant with an area of less than 20 square meters. The owner's surname is Li. He is a typical southerner who is hard-working and dedicated to starting a business. He is almost 30 years old and has not yet started a family. He works as a chef and a waiter an

"100 Practical Marketing Cases" Catering Case: Simple Techniques to Double Your Money

06/27 1308