Clean Air Act Announcement: PM 2.5 - New air quality health standards

2024/05/2206:24:05 science 3472

Clean Air Act Announcement: PM 2.5 - New air quality health standards - DayDayNews

Clean Air Act Announcement: PM 2.5 - New air quality health standards - DayDayNews

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CCTV News: The Mengtian Experimental Cabin and the space station combination are rendezvoused and docked. It can be said that the space "handshake" between the two largest spacecraft in my country's manned space engineering has significantly increased the difficulty of control. T - DayDayNews

CCTV News: The Mengtian Experimental Cabin and the space station combination are rendezvoused and docked. It can be said that the space "handshake" between the two largest spacecraft in my country's manned space engineering has significantly increased the difficulty of control. T

Flying dreams come true｜Listen to the astronauts tell the hardcore story behind the "hands-in-hand" space

07/04 1698

1. The origin of the beautiful vine fruit (in Qiguo) is a dried fruit from the Peruvian Amazon. Its origins can be traced back to pre-Inca cultures and are reflected in its fruits in Chimús and Mochicas huacos. - DayDayNews

1. The origin of the beautiful vine fruit (in Qiguo) is a dried fruit from the Peruvian Amazon. Its origins can be traced back to pre-Inca cultures and are reflected in its fruits in Chimús and Mochicas huacos.

Mei Teng Fruit (Inchiko) originated from the "Linolenic Star" in the Andes

07/03 1952

A simple answer, if the temperature really drops to minus 273 degrees below absolute zero, time will stop. And it is by no means as simple as time stops, there are even more terrible things happening. First we need to understand what temperature is. Simply put, temperature is the - DayDayNews

A simple answer, if the temperature really drops to minus 273 degrees below absolute zero, time will stop. And it is by no means as simple as time stops, there are even more terrible things happening. First we need to understand what temperature is. Simply put, temperature is the

If the temperature drops to minus 273 degrees below absolute zero, will the time stop?

07/05 1945

The earth we live in is mainly composed of circles such as the crust, mantle, and core. Despite being the corresponding author this time, Wei Xiangyang is also a doctoral student, studying under Professor Bart van Wees from the Nanodepartment Physics Research Group of the Univers - DayDayNews

The earth we live in is mainly composed of circles such as the crust, mantle, and core. Despite being the corresponding author this time, Wei Xiangyang is also a doctoral student, studying under Professor Bart van Wees from the Nanodepartment Physics Research Group of the Univers

Scientists discover that high value spin conductivity of ultra-thin materials makes designs of new spin-based devices possible

07/05 1191

Our solar system is just a small part of the universe, from the depth provided by James Webber’s first picture to the journey of Voyager 1 and Voyager 2 into interstellar space, it is just a drop in the ocean compared to the universe. But now, scientists have noticed a series of - DayDayNews

Our solar system is just a small part of the universe, from the depth provided by James Webber’s first picture to the journey of Voyager 1 and Voyager 2 into interstellar space, it is just a drop in the ocean compared to the universe. But now, scientists have noticed a series of

Something scary and difficult to explain is happening in the borders of the solar system

07/04 1562

It is said that the world's population of more than 7.5 billion does not have a single fingerprint. However, in our traditional Chinese culture, according to the shape of fingerprints, it is divided into two categories: vortex and flow patterns. The vortex pattern is also called - DayDayNews

It is said that the world's population of more than 7.5 billion does not have a single fingerprint. However, in our traditional Chinese culture, according to the shape of fingerprints, it is divided into two categories: vortex and flow patterns. The vortex pattern is also called

The secret of human fingerprints has been cracked by scientists, and it is actually a curse of genes. What is the secret of fighting and dustpan?

07/04 1854

On October 26 and 31, the "Snow Dragon" and "Snow Dragon" 2 polar scientific expedition ships set off one after another, sailed out of the domestic base terminal of the China Polar Research Center in Shanghai, launched a six-month scientific expedition mission, and started the 39 - DayDayNews

On October 26 and 31, the "Snow Dragon" and "Snow Dragon" 2 polar scientific expedition ships set off one after another, sailed out of the domestic base terminal of the China Polar Research Center in Shanghai, launched a six-month scientific expedition mission, and started the 39

The meals of the Chinese Antarctic scientific expedition team in the next six months are related to this airline

07/04 1767

We use a variety of plastic products every day, which bring great convenience to human life and was once considered "one of the greatest creations of the 20th century." However, with the widespread use of plastics, some negative effects came unexpectedly. The biggest problem is t - DayDayNews

We use a variety of plastic products every day, which bring great convenience to human life and was once considered "one of the greatest creations of the 20th century." However, with the widespread use of plastics, some negative effects came unexpectedly. The biggest problem is t

Can microorganisms in cattle stomach break down plastic?

07/05 1157

Human body freezing technology has developed technology to protect people and animals by deeply cooling the body, and is one of the promising medical fields. Research on it will not only help slow the progress of deadly diseases, but will also help future people travel in outer s - DayDayNews

Human body freezing technology has developed technology to protect people and animals by deeply cooling the body, and is one of the promising medical fields. Research on it will not only help slow the progress of deadly diseases, but will also help future people travel in outer s

A small bug opens up a path for human space travel

07/04 1466

As for the younger generation of Olympic champions we are familiar with, they are usually very young, only about fifteen or sixteen years old, but it is these young players who have broken records again and again with their proud achievements, allowing the whole world to see thei - DayDayNews

As for the younger generation of Olympic champions we are familiar with, they are usually very young, only about fifteen or sixteen years old, but it is these young players who have broken records again and again with their proud achievements, allowing the whole world to see thei

A role model for young people! A 29-year-old female scientist studied under Shi Yigong and won a million award for publishing a paper

07/05 1093

Is it a comeback? A yellow flower in Canada has once again appeared on a large scale. It is understood that a large-scale invasion of a yellow flower in Canada has once again attracted the attention of the people of the whole country in Hunan, Zhejiang, Shanghai, Nanjing and othe - DayDayNews

Is it a comeback? A yellow flower in Canada has once again appeared on a large scale. It is understood that a large-scale invasion of a yellow flower in Canada has once again attracted the attention of the people of the whole country in Hunan, Zhejiang, Shanghai, Nanjing and othe

Ecological killer! How poisonous is a yellow flower in Canada found in Chengdu? Netizen: Make a comeback

07/06 1532

Recently, in a zoo on Dingsor Road, Thailand, a red-haired orangutan attracted many people to watch. She had a variety of expressions and behaviors when shooting with tourists. Especially when seeing Internet celebrity beauty tourists, she immediately became "scheming", kissing, - DayDayNews

Recently, in a zoo on Dingsor Road, Thailand, a red-haired orangutan attracted many people to watch. She had a variety of expressions and behaviors when shooting with tourists. Especially when seeing Internet celebrity beauty tourists, she immediately became "scheming", kissing,

A Thai orangutan kissed and hugged the beautiful internet celebrity and showed off his sky. Netizens: It's better to throw away that aura

07/06 1161

The molecular mechanisms of visual and other receptor work have been determined, but auditory work has not been completed until recently. Scientists have spent years and tens of millions of worms figuring out the structure of the TMS-1 protein, which senses acoustic vibrations. S - DayDayNews

The molecular mechanisms of visual and other receptor work have been determined, but auditory work has not been completed until recently. Scientists have spent years and tens of millions of worms figuring out the structure of the TMS-1 protein, which senses acoustic vibrations. S

The structure of proteins, thanks to our hearing about the world around us, has been confirmed

07/06 1948

Regarding the treatment of giant panda "Tuantuan", the latest news is that on November 1, the China Giant Panda Protection Research Center sent two experts Wu Honglin and Wei Ming to successfully arrive at Taoyuan Airport in Taiwan. - DayDayNews

Regarding the treatment of giant panda "Tuantuan", the latest news is that on November 1, the China Giant Panda Protection Research Center sent two experts Wu Honglin and Wei Ming to successfully arrive at Taoyuan Airport in Taiwan.

Too cold-blooded! Senior DPP officials actually want to send serious illness back to the mainland

07/06 1110

Researchers at La Trobe University in Australia have discovered a virus that attacks a well-known pathogenic bacteria that can not only cause gum disease but also cancer. New Viruses under Electron Microscopy Usually, Fusobacterium is part of the normal microbial community of the - DayDayNews

Researchers at La Trobe University in Australia have discovered a virus that attacks a well-known pathogenic bacteria that can not only cause gum disease but also cancer. New Viruses under Electron Microscopy Usually, Fusobacterium is part of the normal microbial community of the

New strains of virus can help cure gum disease and prevent cancer

07/06 1880

Without the Qinghai-Tibet Plateau, the southwest monsoon air current would not have existed. Without the Qinghai-Tibet Plateau, the continental climate in the Qinghai-Tibet region will be more obvious and the climate will become more monotonous. Without the Qinghai-Tibet Plateau, - DayDayNews

Without the Qinghai-Tibet Plateau, the southwest monsoon air current would not have existed. Without the Qinghai-Tibet Plateau, the continental climate in the Qinghai-Tibet region will be more obvious and the climate will become more monotonous. Without the Qinghai-Tibet Plateau,

If there were no Qinghai-Tibet Plateau, what changes would happen to my country's natural geographical environment?

07/06 1707

For the first time in history, the opening ceremony of the Summer Olympics will be "moved" from the stadium to the open urban area, and it will be on the world-famous Seine! - DayDayNews

For the first time in history, the opening ceremony of the Summer Olympics will be "moved" from the stadium to the open urban area, and it will be on the world-famous Seine!

For the first time in history! The opening ceremony of the Paris Olympics is really going to be held on the river

07/06 1251

Hong Kong media reports believe that "US-Taiwan relations" are questioned, and Tsai Ing-wen published the results of the F-16 maintenance center in Taichung, demonstrating the so-called "US-Taiwan military cooperation" may be intended to dilute relevant questions. - DayDayNews

Hong Kong media reports believe that "US-Taiwan relations" are questioned, and Tsai Ing-wen published the results of the F-16 maintenance center in Taichung, demonstrating the so-called "US-Taiwan military cooperation" may be intended to dilute relevant questions.

The United States speculates on "anti-China" selling arms but does not deliver them. Hong Kong media: Tsai Ing-wen is anxious to dilute relevant questions

07/06 1882

Once upon a time there was a Xiukou Village where a cowherd lived. His name was Liu Zhiyun, who was already seventeen years old. On that day, Liu Zhiyun went to the mountain to herd cattle. He found that a calf was missing. When he found the cow, he found that there were only som - DayDayNews

Once upon a time there was a Xiukou Village where a cowherd lived. His name was Liu Zhiyun, who was already seventeen years old. On that day, Liu Zhiyun went to the mountain to herd cattle. He found that a calf was missing. When he found the cow, he found that there were only som

Folk story: A man went to a woman's house to stay, but then fell into a coma, and the Taoist priest helped him

07/06 1185

What should I do if there is endless projects in the company, the daily congestion at the subway entrance and there is no personal space? I want to buy Range Rover Star Pier, I want to buy Range Rover Star Pier, I want to buy Range Rover Star Pier. Say important things three time - DayDayNews

What should I do if there is endless projects in the company, the daily congestion at the subway entrance and there is no personal space? I want to buy Range Rover Star Pier, I want to buy Range Rover Star Pier, I want to buy Range Rover Star Pier. Say important things three time

Xuzhou Range Rover Star Mail has reduced its price by 15.81%. Welcome to take the test drive

07/06 1958

Teacher Ying commented: Well, judging from this article, Yiming is a "straight man in steel", especially the imagination in the last paragraph, which really makes me unable to complain. ——However, it can be seen that he has really worked hard. The teacher has adjusted the order o - DayDayNews

Teacher Ying commented: Well, judging from this article, Yiming is a "straight man in steel", especially the imagination in the last paragraph, which really makes me unable to complain. ——However, it can be seen that he has really worked hard. The teacher has adjusted the order o

Grade 1 composition training/See true feelings in details (Class 717 Lan Yiming)

07/06 1007

At present, epidemics occur frequently in various places, and nucleic acid testing has become an effective method to detect the new coronavirus in the early stage. However, due to the relatively few medical staff during nucleic acid testing, the number of people who need to under - DayDayNews

At present, epidemics occur frequently in various places, and nucleic acid testing has become an effective method to detect the new coronavirus in the early stage. However, due to the relatively few medical staff during nucleic acid testing, the number of people who need to under

Nucleic acid testing has become the main reason for the spread of the epidemic, and it is necessary to strengthen the organization.

07/06 1369