Complete Fire Safety | Fire Triangle | Types of Fire & Fire Extinguishers | Method of Extinguishment

2024/04/2407:50:05 science 818341

Complete Fire Safety | Fire Triangle | Types of Fire & Fire Extinguishers | Method of Extinguishment - DayDayNews

Complete Fire Safety | Fire Triangle | Types of Fire & Fire Extinguishers | Method of Extinguishment - DayDayNews

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Polypropylene is one of the most widely used types of general plastics. It has the advantages of low density, good rigidity, resistance to flexing, chemical corrosion, and good insulation. Its shortcomings are poor low-temperature impact performance, easy aging, and large molding - DayDayNews

Polypropylene is one of the most widely used types of general plastics. It has the advantages of low density, good rigidity, resistance to flexing, chemical corrosion, and good insulation. Its shortcomings are poor low-temperature impact performance, easy aging, and large molding

Is polypropylene shrinkage difficult to control? What are the influencing factors? "Attached is a table of shrinkage rates of common materials"

06/05 1063

This listing is only for the brave, so do your best and witness the magic of these images. These photos from around the world will fascinate you as you see how the spinning planet we live on shocks us. - DayDayNews

This listing is only for the brave, so do your best and witness the magic of these images. These photos from around the world will fascinate you as you see how the spinning planet we live on shocks us.

The white heart, the houses covered with volcanic ash, and the long legs of the owl, there is always one picture that will shock you

06/05 1093

This male lion was really embarrassed today. Its head was accidentally stuck in a bucket. It was so embarrassed that it was able to dig out a room and three rooms from the ground. The most important thing is that there are other lions watching next to it. Fun, in order to get rid - DayDayNews

This male lion was really embarrassed today. Its head was accidentally stuck in a bucket. It was so embarrassed that it was able to dig out a room and three rooms from the ground. The most important thing is that there are other lions watching next to it. Fun, in order to get rid

Three male lions were fighting for food, but unexpectedly they plunged into a plastic bucket, lost their way and ran around, losing face.

06/05 1978

On July 6, InnoCare announced that its independently developed new drug application (IND) for a BCL2 inhibitor was accepted by the National Medical Products Administration (NMPA). - DayDayNews

On July 6, InnoCare announced that its independently developed new drug application (IND) for a BCL2 inhibitor was accepted by the National Medical Products Administration (NMPA).

InnoCare’s BCL2 inhibitor submits clinical application

06/05 1067

Some time ago, some netizens reported that a strange phenomenon of "thousands of flying swallows" appeared over Leshan, Sichuan. Thousands of swallows hovered over Leshan and made scalp-numbing screams. Seeing this scene, many netizens said: Is the "flying swallows" that appeared - DayDayNews

Some time ago, some netizens reported that a strange phenomenon of "thousands of flying swallows" appeared over Leshan, Sichuan. Thousands of swallows hovered over Leshan and made scalp-numbing screams. Seeing this scene, many netizens said: Is the "flying swallows" that appeared

The phenomenon of "flying swallows flying thousands of miles" in Sichuan has triggered heated discussions. What does it portend? A sign of an earthquake coming?

06/06 1647

Cockroaches are commonly known as Xiaoqiang, and I believe everyone is familiar with them. Cockroaches are one of the oldest insects on earth, living at the same time as dinosaurs and other ancient creatures. It is even more than 100 million years earlier than the birth of the fi - DayDayNews

Cockroaches are commonly known as Xiaoqiang, and I believe everyone is familiar with them. Cockroaches are one of the oldest insects on earth, living at the same time as dinosaurs and other ancient creatures. It is even more than 100 million years earlier than the birth of the fi

Should you step on a cockroach if you see one at home?

06/06 1039

Inside a US hospital (data map) Overseas Network, July 7. According to a report by NBC New York on the 5th, a new study from Yale University showed that a cancer patient in Connecticut, USA, was infected with the new coronavirus for 471 days. During this time, the virus mutated t - DayDayNews

Inside a US hospital (data map) Overseas Network, July 7. According to a report by NBC New York on the 5th, a new study from Yale University showed that a cancer patient in Connecticut, USA, was infected with the new coronavirus for 471 days. During this time, the virus mutated t

A patient in the United States was infected with COVID-19 for 471 days, and the virus mutated three times in the body

06/06 1042

(Image source: Internet) Analog computers have been providing services to mankind long before digital computers swept the world. Now, the nature of quantum physics is causing us to reexamine the distinction between digital and analog. Quantum hardware companies like Pasqal are “e - DayDayNews

(Image source: Internet) Analog computers have been providing services to mankind long before digital computers swept the world. Now, the nature of quantum physics is causing us to reexamine the distinction between digital and analog. Quantum hardware companies like Pasqal are “e

Pasqal Chief Technology Officer: Analog quantum computing takes the lead in bringing quantum advantages to industry

06/06 1729

The current trend of bioweaponization of the new coronavirus also requires us to do a good job in the initial stage, and China has long been at the forefront of the world in the application of information technology, so as long as we unify our thinking, we will definitely be able - DayDayNews

The current trend of bioweaponization of the new coronavirus also requires us to do a good job in the initial stage, and China has long been at the forefront of the world in the application of information technology, so as long as we unify our thinking, we will definitely be able

Zhang Zhimin: The latest epidemic strain has arrived in Xi'an, only by correct understanding and preparedness can we deal with it calmly

06/05 1781

Although the theories discussed on this topic appear to be a bit unfounded, there are many people in Europe and the United States who are preparing for "Judgment Day" and preparing various things in advance. Some people call them doomsday operators. - DayDayNews

Although the theories discussed on this topic appear to be a bit unfounded, there are many people in Europe and the United States who are preparing for "Judgment Day" and preparing various things in advance. Some people call them doomsday operators.

Scientific Survival Techniques - Doomsday Survival Apocalypse

06/05 1336

The proposal of dual carbon targets has not only made new energy industries such as electric vehicles and hydrogen fuel vehicles soar, but also provided scientists with a research topic, that is, how to turn carbon dioxide into waste through new technologies to achieve carbon red - DayDayNews

The proposal of dual carbon targets has not only made new energy industries such as electric vehicles and hydrogen fuel vehicles soar, but also provided scientists with a research topic, that is, how to turn carbon dioxide into waste through new technologies to achieve carbon red

New applications for solar energy! Michigan professor proposes new process to use CO2 and water to prepare chemical fuels to achieve carbon reduction goals

06/07 1010

This strange, fluid-like electronic behavior could be used in the next generation of low-power electronics, potentially making them more efficient. Although they are discrete particles, water molecules flow collectively as a liquid, creating streams, waves, eddies, and other clas - DayDayNews

This strange, fluid-like electronic behavior could be used in the next generation of low-power electronics, potentially making them more efficient. Although they are discrete particles, water molecules flow collectively as a liquid, creating streams, waves, eddies, and other clas

Scientists observe for the first time 'electron vortices' that could help design more efficient electronics

06/07 1885

In the classic Korean drama "Blue Life and Death", there is this sentence: "In my next life, I want to be a tree, so that I can always stay in one place and never leave." From ancient times to the present, trees have always been "rooted in the earth" "The image of "appeared", and - DayDayNews

In the classic Korean drama "Blue Life and Death", there is this sentence: "In my next life, I want to be a tree, so that I can always stay in one place and never leave." From ancient times to the present, trees have always been "rooted in the earth" "The image of "appeared", and

Did you know that trees can walk?

06/07 1595

Close your eyes and imagine that you eat some purple grapes and then your whole body turns purple. Isn't this scary? Of course, such bizarre things don't happen to humans. But Melissa Abramovitz told me that this is exactly what happens in sea caries. - DayDayNews

Close your eyes and imagine that you eat some purple grapes and then your whole body turns purple. Isn't this scary? Of course, such bizarre things don't happen to humans. But Melissa Abramovitz told me that this is exactly what happens in sea caries.

How do sea slugs change color?

06/07 1411

How cold is space, and does it drop to absolute zero? What would happen if you fell in without a spacesuit? While science fiction movies would have us believe that space is very cold — even very cold — space itself is not entirely cold. In fact, it actually has no temperature at - DayDayNews

How cold is space, and does it drop to absolute zero? What would happen if you fell in without a spacesuit? While science fiction movies would have us believe that space is very cold — even very cold — space itself is not entirely cold. In fact, it actually has no temperature at

How cold is space? The physics behind the temperature of the universe

06/07 1950

[CNMO News] Weight loss has always been a hot topic among people. Some people eat too much and don’t gain weight, while some people gain weight even if they drink water. Therefore, losing weight also troubles many people. They have tried various methods but still have no effect. - DayDayNews

[CNMO News] Weight loss has always been a hot topic among people. Some people eat too much and don’t gain weight, while some people gain weight even if they drink water. Therefore, losing weight also troubles many people. They have tried various methods but still have no effect.

It may be possible to eat dry without gaining weight. German scientists discovered signaling molecules that promote fat burning

06/07 1217

"The Peace and Warmth of the Years" Text: Dongdong, Photography: Lantian, Model: Wanjun Time is clear. In this hot summer season, I sit deep in the courtyard and look out the window at the trees and flowers blooming, and any soft breeze. Let your thoughts dance and fly. Occasiona - DayDayNews

"The Peace and Warmth of the Years" Text: Dongdong, Photography: Lantian, Model: Wanjun Time is clear. In this hot summer season, I sit deep in the courtyard and look out the window at the trees and flowers blooming, and any soft breeze. Let your thoughts dance and fly. Occasiona

Pictures tell stories: "The Warmth of Time" "420"

06/07 1632

On July 6, Yu Xiuhua posted on Weibo: "In this life, it has been really hard, and I have been gritting my teeth and persisting. If I can't persist anymore, I hope that Liu Xinda, who insults me, and beats me, will be legally responsible!" From her perspective You can feel the pai - DayDayNews

On July 6, Yu Xiuhua posted on Weibo: "In this life, it has been really hard, and I have been gritting my teeth and persisting. If I can't persist anymore, I hope that Liu Xinda, who insults me, and beats me, will be legally responsible!" From her perspective You can feel the pai

Yu Xiuhua was subjected to domestic violence and became a hot search again! Both sides hold different opinions, which one is right and which one is wrong?

06/07 1838

When it comes to Biting Guo, everyone must know something about this female star from Taiwan. She has exquisite appearance, gentle personality, and very eye-catching long black hair. She is deeply loved by fans and audiences. Even Xiang Tai, the hostess of a well-known wealthy fa - DayDayNews

When it comes to Biting Guo, everyone must know something about this female star from Taiwan. She has exquisite appearance, gentle personality, and very eye-catching long black hair. She is deeply loved by fans and audiences. Even Xiang Tai, the hostess of a well-known wealthy fa

Well-known paparazzi revealed that Biting Guo has given birth, and Mrs. Xiang got her golden grandson as she wished, and rewarded her daughter-in-law with hundreds of millions of gifts

06/07 1304

Whenever it’s coat season, a trench coat is definitely one of the first choices for most women. There are many colors to choose from, and the styles are constantly changing with the development of fashion. The most popular ones are still some classic colors and classic styles. Ma - DayDayNews

Whenever it’s coat season, a trench coat is definitely one of the first choices for most women. There are many colors to choose from, and the styles are constantly changing with the development of fashion. The most popular ones are still some classic colors and classic styles. Ma

Liu Xiang’s original wife rarely walks to the airport. She has lost her face after being retouched and becomes a passerby, but she wears very fashionable clothes.

06/07 1018

July 7th is the Xiaoshu solar term, when the plum blossoms come out and fall, and midsummer begins. During this season, the sun is blazing, rainfall is increasing, lotuses are fragrant, melons and fruits are fragrant, and everything is entering its peak growth season. In the lotu - DayDayNews

July 7th is the Xiaoshu solar term, when the plum blossoms come out and fall, and midsummer begins. During this season, the sun is blazing, rainfall is increasing, lotuses are fragrant, melons and fruits are fragrant, and everything is entering its peak growth season. In the lotu

Xiaoshu: The fragrance of lotus overflows, and the fragrance of melons and fruits

06/07 1818

On the streets of Dali, we can often see girls wearing Hanfu elements, as well as some Hanfu societies, COS, etc. Han culture has become a retro trend and is loved by the public. Go to Dali to take wedding photos. Hanfu wedding photos are also a favorite shooting style of many po - DayDayNews

On the streets of Dali, we can often see girls wearing Hanfu elements, as well as some Hanfu societies, COS, etc. Han culture has become a retro trend and is loved by the public. Go to Dali to take wedding photos. Hanfu wedding photos are also a favorite shooting style of many po

Dali travel photography, post-95s generation must take Hanfu wedding photos. Master these 5 tips and become popular among mother-in-law friends.

06/07 1003