Lecture 30: Specific Sources and Types of Indoor Air Pollutants

2024/05/0713:44:05 home 3077

Lecture 30: Specific Sources and Types of Indoor Air Pollutants - DayDayNews

Lecture 30: Specific Sources and Types of Indoor Air Pollutants - DayDayNews

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As the weather gradually turns colder, heating has begun to be used in many places. Among them, heating products are emerging in the market. As a new type of floor heating, the performance of the kickstick is excellent and is the first choice for many families. It was once promot - DayDayNews

As the weather gradually turns colder, heating has begun to be used in many places. Among them, heating products are emerging in the market. As a new type of floor heating, the performance of the kickstick is excellent and is the first choice for many families. It was once promot

Can kick-off heating really replace floor heating? Is it suitable for home use? You will understand after reading it

06/30 1971

Although integrated stoves have been criticized since their debut, it has to be admitted that more and more families have chosen integrated stoves in recent years. Some people may wonder: The price of integrated stoves is expensive and occupying space. What are the benefits? As s - DayDayNews

Although integrated stoves have been criticized since their debut, it has to be admitted that more and more families have chosen integrated stoves in recent years. Some people may wonder: The price of integrated stoves is expensive and occupying space. What are the benefits? As s

Why are integrated stoves becoming more and more popular? Compared with the range hood, these three points are indeed outstanding.

06/30 1379

My friend is like me. When I was decorating for the first time, I found that I didn’t know anything and didn’t dare to buy many decoration materials online. I was worried that I could buy fake ones online, so I could only go to a physical store to buy them stupidly. Unexpectedly, - DayDayNews

My friend is like me. When I was decorating for the first time, I found that I didn’t know anything and didn’t dare to buy many decoration materials online. I was worried that I could buy fake ones online, so I could only go to a physical store to buy them stupidly. Unexpectedly,

New house decoration, it is recommended to buy these things online directly, which are cheap and easy to use, so don’t be fooled by physical stores anymore.

07/01 1569

Because of masks, we may work from home due to various factors every once in a while. Many people enjoy working from home, but over time you will know that if you don’t have these items at home, it will definitely affect your home experience. - DayDayNews

Because of masks, we may work from home due to various factors every once in a while. Many people enjoy working from home, but over time you will know that if you don’t have these items at home, it will definitely affect your home experience.

In the next three years, if the economy allows, it is recommended to stock up on these "5 items". Don't blame me for not telling you.

06/30 1271

In our daily life, we often use a lot of items. Some items get old or broken as they are used. At this time, we will replace them with new ones. Although some items at home have not been broken yet, we must replace them regularly, otherwise it will cause harm to our bodies! Then - DayDayNews

In our daily life, we often use a lot of items. Some items get old or broken as they are used. At this time, we will replace them with new ones. Although some items at home have not been broken yet, we must replace them regularly, otherwise it will cause harm to our bodies! Then

After using it for 3 months, no matter whether the toothbrush is broken or not, it must be replaced regularly.

07/01 1722

The living room does not have a sofa or TV, which will not prevent you from having a good living room with high appearance and practicality! Nowadays, there is a very good trend in decoration, that is, people are returning to life more and more. The purpose of decoration is no lo - DayDayNews

The living room does not have a sofa or TV, which will not prevent you from having a good living room with high appearance and practicality! Nowadays, there is a very good trend in decoration, that is, people are returning to life more and more. The purpose of decoration is no lo

Her house is 59㎡, and she insists on not putting on sofas and TVs in the living room. Her practicality is only increased and she is too visionary.

07/01 1265

Autumn and winter are seasons of frequent haze. Whenever smog hits, the world is covered with gray. Everyone can only wear masks when going out or stay at home to close doors and windows. However, simple closed doors and windows not only cannot effectively resist the invasion of - DayDayNews

Autumn and winter are seasons of frequent haze. Whenever smog hits, the world is covered with gray. Everyone can only wear masks when going out or stay at home to close doors and windows. However, simple closed doors and windows not only cannot effectively resist the invasion of

Frequent smog in autumn and winter, hurry up and move these "forest oxygen bars" home

07/01 1598

Crab Claws are short-day flowers, which can bloom for 8 to 10 hours of sunshine every day and can bloom for 2 to 3 months. In winter, crab claw orchids should be placed in a sunny place indoors and received sunlight to promote differentiation of flower buds and often rotate the f - DayDayNews

Crab Claws are short-day flowers, which can bloom for 8 to 10 hours of sunshine every day and can bloom for 2 to 3 months. In winter, crab claw orchids should be placed in a sunny place indoors and received sunlight to promote differentiation of flower buds and often rotate the f

Winter cultivation of Crab Claw Orchid

07/01 1437

Double 11 is coming soon. Are many friends like me planning to take advantage of Double 11 to hold events on major e-commerce platforms and buy some home appliances? However, many home appliances cannot be cheap. The cheap styles have poor results and will also affect the happine - DayDayNews

Double 11 is coming soon. Are many friends like me planning to take advantage of Double 11 to hold events on major e-commerce platforms and buy some home appliances? However, many home appliances cannot be cheap. The cheap styles have poor results and will also affect the happine

These 4 types of home appliances: buy good ones if you have money, don’t buy them if you have a low budget. The low price is too useless

06/30 1011

Friends who like to grow flowers can buy the right flower varieties this season? If you haven’t, you might as well buy a pot of Thousand Heads of Apricots! Everyone knows that autumn is the home ground of chrysanthemums. In autumn, chrysanthemums will release a large number of fl - DayDayNews

Friends who like to grow flowers can buy the right flower varieties this season? If you haven’t, you might as well buy a pot of Thousand Heads of Apricots! Everyone knows that autumn is the home ground of chrysanthemums. In autumn, chrysanthemums will release a large number of fl

In autumn, there is a kind of flower, 1,000 flowers bloom in one pot, and the flower pot is "fried until it is fried", and it will "can't die" for 10 years

06/30 1092

Nowadays, all industries are constantly in the process of inversion, but in terms of technical strength and product innovation, few companies dare to break the routine and break out of the comfort zone of product research and development. This is because breaking the routine requ - DayDayNews

Nowadays, all industries are constantly in the process of inversion, but in terms of technical strength and product innovation, few companies dare to break the routine and break out of the comfort zone of product research and development. This is because breaking the routine requ

TCL technology innovation, and then launches technology-based refrigerator snippet Q10

07/02 1111

With the popularity of online order acceptance of decoration, many decoration merchants are now beginning to switch to online channels. There are also some decoration bosses who want to take orders but don’t know how to choose. Which decoration platform is better to choose. Next, - DayDayNews

With the popularity of online order acceptance of decoration, many decoration merchants are now beginning to switch to online channels. There are also some decoration bosses who want to take orders but don’t know how to choose. Which decoration platform is better to choose. Next,

Which platform is better for taking orders?

07/02 1889

With the rapid development of the Internet, more and more people tend to consume online and rely heavily on mobile phones. The Internet will not only provide them with convenience in life and entertainment, but will also affect their consumption and cognition. As a very important - DayDayNews

With the rapid development of the Internet, more and more people tend to consume online and rely heavily on mobile phones. The Internet will not only provide them with convenience in life and entertainment, but will also affect their consumption and cognition. As a very important

How to take decoration work from the Internet?

07/02 1955

Everyone hopes that their home environment will become better, so that they can move in. Take my home for example. Although the decoration is ordinary, living is full of happiness. This is because the home is kept clean and tidy. Even if the guests come to the home, they can't he - DayDayNews

Everyone hopes that their home environment will become better, so that they can move in. Take my home for example. Although the decoration is ordinary, living is full of happiness. This is because the home is kept clean and tidy. Even if the guests come to the home, they can't he

Show off 4 cleaning supplies I can’t live without! Easy to use and inexpensive, making the house clean

07/02 1606

Is the basement suitable for a bedroom? This is a topic that all villa owners are very concerned about. The basement space is large enough, and the environment is quieter. It is warm in winter and cool in summer, which seems very comfortable. But the basement is not only humid bu - DayDayNews

Is the basement suitable for a bedroom? This is a topic that all villa owners are very concerned about. The basement space is large enough, and the environment is quieter. It is warm in winter and cool in summer, which seems very comfortable. But the basement is not only humid bu

Have you lived in a basement as a bedroom house?

07/02 1620

The floor decoration of courtyard villas requires floor paving, but it is disappointing that some customers buy low-quality products, and the ground will crack if they use them for a few days. For example, regular quartz brick manufacturers will conduct product quality inspection - DayDayNews

The floor decoration of courtyard villas requires floor paving, but it is disappointing that some customers buy low-quality products, and the ground will crack if they use them for a few days. For example, regular quartz brick manufacturers will conduct product quality inspection

How to lay stone products of quartz brick manufacturers

07/02 1687

Data shows that former left-wing President Lula won 50.9% of the votes, and the current right-wing Bolsonaro won 49.1%. The victory or defeat of the left and right battle has been decided, and Lula will take office on January 1 next year. - DayDayNews

Data shows that former left-wing President Lula won 50.9% of the votes, and the current right-wing Bolsonaro won 49.1%. The victory or defeat of the left and right battle has been decided, and Lula will take office on January 1 next year.

The United States' "backyard" changes, Brazil's left wing returns again, Biden and Macron quickly send congratulations

07/02 1100

It is reported that a few days ago, a century-old suspension bridge broke and collapsed in Morbi City, Gujarat, India. So far, 141 people have been killed. 177 people were rescued, 19 of whom were seriously injured and sent to the hospital. - DayDayNews

It is reported that a few days ago, a century-old suspension bridge broke and collapsed in Morbi City, Gujarat, India. So far, 141 people have been killed. 177 people were rescued, 19 of whom were seriously injured and sent to the hospital.

Another tragedy: India's cable bridge was "broken", killing 141 people

07/02 1868

According to reports from Russian media such as Russia Today (RT) and Russian News Agency on the 30th, Russian Presidential Press Secretary and spokesman for the Kyrgyzstan Palace Peskov said that Russia is willing to negotiate on the Ukraine issue, but any agreement reached with - DayDayNews

According to reports from Russian media such as Russia Today (RT) and Russian News Agency on the 30th, Russian Presidential Press Secretary and spokesman for the Kyrgyzstan Palace Peskov said that Russia is willing to negotiate on the Ukraine issue, but any agreement reached with

Peskov: Any solution to the Ukrainian conflict, the decisive vote comes from the United States

07/02 1967

According to reports from the British Guardian and the BBC on the 30th, police confirmed that a man threw a petrol bomb at a newly established immigration processing center in Dover on Sunday and then died nearby. - DayDayNews

According to reports from the British Guardian and the BBC on the 30th, police confirmed that a man threw a petrol bomb at a newly established immigration processing center in Dover on Sunday and then died nearby.

British media: A petrol bomb attack in an immigration facility in the UK, and the suspect was later killed

07/02 1334

The A-share Industrial FULL rose sharply in the afternoon, and then closed at the daily limit. Pengding Holdings, Xinya Process, Ancai Hi-Tech and others all hit the daily limit. In addition, the previous day rose by 14.58%, and the two trading days rose by 46.88%; Hongteng Preci - DayDayNews

The A-share Industrial FULL rose sharply in the afternoon, and then closed at the daily limit. Pengding Holdings, Xinya Process, Ancai Hi-Tech and others all hit the daily limit. In addition, the previous day rose by 14.58%, and the two trading days rose by 46.88%; Hongteng Preci

Terry Gou announced his candidacy, and Foxconn concept stocks surged collectively

07/02 1340

The Hunan Microfilm Competition, jointly launched by the CPC Hunan Provincial Committee CPC Central Committee, the Hunan Film Bureau, and the Hunan Rural Revitalization Bureau, attracted widespread attention as soon as it was launched. Among them, there are many struggling people - DayDayNews

The Hunan Microfilm Competition, jointly launched by the CPC Hunan Provincial Committee CPC Central Committee, the Hunan Film Bureau, and the Hunan Rural Revitalization Bureau, attracted widespread attention as soon as it was launched. Among them, there are many struggling people

Zhangfang Town, Liuyang City: Rural transformation and development are unfolding and revitalizing a new picture

07/02 1481