The principles of nuclear bomb

2024/04/2416:51:09 science 346881

The principles of nuclear bomb - DayDayNews

The principles of nuclear bomb - DayDayNews

12:12

* All content videos are shared, reposted and embedded from YouTube. If there is any violation or error, please contact us to delete it.

science

Recently, China Forestry Press held a symposium on the theory and technology of grassland ecological restoration and a new book launch of "Main Technical Models of Ecological Restoration of Degraded Grassland". - DayDayNews

Recently, China Forestry Press held a symposium on the theory and technology of grassland ecological restoration and a new book launch of "Main Technical Models of Ecological Restoration of Degraded Grassland".

Commissioned by the National Bureau of Investigation, this major achievement was officially released! It is the first time in the country for an academician to write a preface!

05/17 1924

1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.” - DayDayNews

1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.”

19 photos of natural beauty that will completely mesmerize you

05/17 1539

Controlled ion transport within nanochannels is crucial for biological membranes and artificial membrane systems. Covalent organic frameworks (COFs) are emerging crystalline polymer materials with regular and adjustable nanochannels, and have become an ideal material platform for - DayDayNews

Controlled ion transport within nanochannels is crucial for biological membranes and artificial membrane systems. Covalent organic frameworks (COFs) are emerging crystalline polymer materials with regular and adjustable nanochannels, and have become an ideal material platform for

"ACS Nano" from Tianjin University's Wu Hong/Jiang Zhongyi team: charged nanochannels in covalent organic framework membranes achieve efficient ion interception

05/17 1899

We often say that China has five thousand years, which naturally adds up to ten thousand years. Ten thousand years ago is a very interesting node, because it is the time period when humans turned from hunting life to farming. Farming represents villages, and the combination of vi - DayDayNews

We often say that China has five thousand years, which naturally adds up to ten thousand years. Ten thousand years ago is a very interesting node, because it is the time period when humans turned from hunting life to farming. Farming represents villages, and the combination of vi

Could it be said that humans more than 12,000 years ago really existed?

05/18 1065

Guangming.com News In recent years, Mengjin District, Luoyang City, Henan Province has accelerated the protection, management and ecological restoration of the Yellow River wetlands, adhered to the management of mountains, water, forests, fields, lakes, grass and sand systems, an - DayDayNews

Guangming.com News In recent years, Mengjin District, Luoyang City, Henan Province has accelerated the protection, management and ecological restoration of the Yellow River wetlands, adhered to the management of mountains, water, forests, fields, lakes, grass and sand systems, an

Mengjin, Henan: Yellow River wetland becomes a paradise for birds

05/17 1088

The editor has recently become obsessed with ferns. Their leaves generally have a mathematical beauty like the golden ratio. There are many types, and most of them are beautiful. They can be seen in forests, riversides, and in the courtyards of ancient houses. Fern and nautilus a - DayDayNews

The editor has recently become obsessed with ferns. Their leaves generally have a mathematical beauty like the golden ratio. There are many types, and most of them are beautiful. They can be seen in forests, riversides, and in the courtyards of ancient houses. Fern and nautilus a

Fragrant garden | "Pteridophylla fern", the "living fossil" of the plant world

05/18 1059

Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in - DayDayNews

Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in

What exists in the vast space between the nucleus and the electrons? Is it an absolute vacuum?

05/18 1428

Mangroves, made up of salt-loving trees, shrubs and shrubs, play an important role in providing waterfowl habitat and preventing coastal erosion. Because the areas they occupy are also viable for aquaculture, however, these watery forests face continued development pressure. One - DayDayNews

Mangroves, made up of salt-loving trees, shrubs and shrubs, play an important role in providing waterfowl habitat and preventing coastal erosion. Because the areas they occupy are also viable for aquaculture, however, these watery forests face continued development pressure. One

"Space Observation" Ramsar Convention and Vietnam Wetlands

05/18 1145

June 1 to November 30, 2005 As 2007 approaches, an extreme to abnormal drought occurs in the southeastern United States. The year also saw tropical cyclones—tropical depressions, tropical storms, and hurricanes—that often flooded parts of the East Coast and Gulf Coast. Tropical c - DayDayNews

June 1 to November 30, 2005 As 2007 approaches, an extreme to abnormal drought occurs in the southeastern United States. The year also saw tropical cyclones—tropical depressions, tropical storms, and hurricanes—that often flooded parts of the East Coast and Gulf Coast. Tropical c

"Space Observation" Small tropical cyclones contribute more to annual rainfall

05/18 1663

Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to - DayDayNews

Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to

"Monogamous" animals, if one partner dies, can they withstand the temptation of mating?

05/17 1119

Note: IND=investigational new drug, BLA=biologics license application. - DayDayNews

Note: IND=investigational new drug, BLA=biologics license application.

Development of Clinical-Grade Cell Therapies: A Basic Overview

05/19 1786

Beginning in the 1940s, a luminous disc aircraft was discovered in the skies over the United States. Newspapers at that time only generally called it an "elliptical luminous object." UFOs aroused people's interest even more. The term UFO is a name given to unidentified flying obj - DayDayNews

Beginning in the 1940s, a luminous disc aircraft was discovered in the skies over the United States. Newspapers at that time only generally called it an "elliptical luminous object." UFOs aroused people's interest even more. The term UFO is a name given to unidentified flying obj

The word UFO was invented by Americans, but there were legends in China during the time of Emperor Yao

05/19 1225

Itching, swelling, and many people remember mosquitoes as a nasty presence in summer. In addition, mosquitoes also bring a variety of terrible mosquito-borne infectious diseases to people. In 2018, the eight infectious diseases of urgent concern announced by the World Health Orga - DayDayNews

Itching, swelling, and many people remember mosquitoes as a nasty presence in summer. In addition, mosquitoes also bring a variety of terrible mosquito-borne infectious diseases to people. In 2018, the eight infectious diseases of urgent concern announced by the World Health Orga

Tsinghua team reveals: Why are these people more attracted to mosquitoes?

05/19 1306

Humans can be said to be the most advanced animals on the earth. There is almost nothing that humans dare not eat. In times of famine, people who are too hungry will eat tree bark, leather belts, grass roots, soil, etc. Nowadays, people's living conditions are better and they eat - DayDayNews

Humans can be said to be the most advanced animals on the earth. There is almost nothing that humans dare not eat. In times of famine, people who are too hungry will eat tree bark, leather belts, grass roots, soil, etc. Nowadays, people's living conditions are better and they eat

There is a plant that is full of treasures, but is often "peeled". Have you ever seen it?

05/19 1538

In cartoons, the "omnipotent" Doraemon often takes out various magical props from the future world from his four-dimensional pocket in order to help Nobita. They are full of creativity and science fiction imagination, just like Doraemon's pocket. It's an inexhaustible treasure ch - DayDayNews

In cartoons, the "omnipotent" Doraemon often takes out various magical props from the future world from his four-dimensional pocket in order to help Nobita. They are full of creativity and science fiction imagination, just like Doraemon's pocket. It's an inexhaustible treasure ch

She has a "shrinking gun" that makes animals smaller than a fingernail, so cute

05/19 1069

On July 2, Xin Baoan, Chairman of the State Grid Corporation of China and Secretary of the Party Leadership Group, went to Nari Group Co., Ltd. for investigation. He went deep into the front line of production and scientific research to learn about technological research, product - DayDayNews

On July 2, Xin Baoan, Chairman of the State Grid Corporation of China and Secretary of the Party Leadership Group, went to Nari Group Co., Ltd. for investigation. He went deep into the front line of production and scientific research to learn about technological research, product

Xin Baoan, Chairman of State Grid Corporation of China, went to NARI Group for investigation

05/19 1633

Trainee reporter Chen Ruixiao On June 30, the Jining Municipal Government Information Office held a press conference on the development results of the 30th anniversary of the construction of Jining High-tech Zone. Since the establishment of the district in 1992, people's liveliho - DayDayNews

Trainee reporter Chen Ruixiao On June 30, the Jining Municipal Government Information Office held a press conference on the development results of the 30th anniversary of the construction of Jining High-tech Zone. Since the establishment of the district in 1992, people's liveliho

21 national-level business cards have been created, and Jining High-tech Zone’s people’s livelihood undertakings have developed rapidly.

05/19 1690

Involving the majors that can be studied in future universities, you need to know the majors that can be studied in the future of six subjects! The majors that can be studied in physics, chemistry, biology, history and geography are as follows: 1. Physics. - DayDayNews

Involving the majors that can be studied in future universities, you need to know the majors that can be studied in the future of six subjects! The majors that can be studied in physics, chemistry, biology, history and geography are as follows: 1. Physics.

What are the university majors that can be studied corresponding to Physics, Chemistry, Politics, History? Parents should have known better

05/19 1675

The picture shows the bridge. China's infrastructure is a hot topic of global discussion. In recent years, the development of domestic infrastructure has been witnessed by all the world. Various complex projects have been recognized around the world. For example, the Hong Kong-Zh - DayDayNews

The picture shows the bridge. China's infrastructure is a hot topic of global discussion. In recent years, the development of domestic infrastructure has been witnessed by all the world. Various complex projects have been recognized around the world. For example, the Hong Kong-Zh

The world's longest cross-sea highway and rail bridge took 7 years and cost tens of billions to build, and its construction was beyond imagination.

05/19 1336

I saw this sentence today and it made me realize something deeply: Reading is for curiosity and interest, not for improving oneself. Before, I always felt that reading was to improve myself, and my education for my children was to let them understand why people read, so that they - DayDayNews

I saw this sentence today and it made me realize something deeply: Reading is for curiosity and interest, not for improving oneself. Before, I always felt that reading was to improve myself, and my education for my children was to let them understand why people read, so that they

Reading is not for improving yourself?

05/19 1565

Nowadays, it is indeed not easy for ordinary people to make big money. There are many entrepreneurs in the society who were passionate and heroic at first. Now they are either lame or on the road to becoming lame. There are many small businesses on the market. As long as you pers - DayDayNews

Nowadays, it is indeed not easy for ordinary people to make big money. There are many entrepreneurs in the society who were passionate and heroic at first. Now they are either lame or on the road to becoming lame. There are many small businesses on the market. As long as you pers

Even if you run these small businesses, you can still buy a house and a car in a first-tier city

05/19 1581

01. One wave comes after another. I just stayed in the hospital for half a month. A few days after being discharged, my third sister fell down while riding a bike and was injured again, so we were admitted to the hospital again. Even healthy people will naturally become sick once - DayDayNews

01. One wave comes after another. I just stayed in the hospital for half a month. A few days after being discharged, my third sister fell down while riding a bike and was injured again, so we were admitted to the hospital again. Even healthy people will naturally become sick once

Being hospitalized for a long time, things in the ward

05/19 1692