Synthesis, Distillation, & Recrystallization: Crash Course Organic Chemistry #40

2024/05/2504:22:04 science 54070

Synthesis, Distillation, & Recrystallization: Crash Course Organic Chemistry #40 - DayDayNews

Synthesis, Distillation, & Recrystallization: Crash Course Organic Chemistry #40 - DayDayNews

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Jimu News commentator Qu Jing On the evening of July 12, the @中国physical society Douyin live broadcast room welcomed the first live broadcast guest of the "Science 1 Hour" series of science popularization courses - Cao Zexian, a researcher at the Institute of Physics, Chinese Aca - DayDayNews

Jimu News commentator Qu Jing On the evening of July 12, the @中国physical society Douyin live broadcast room welcomed the first live broadcast guest of the "Science 1 Hour" series of science popularization courses - Cao Zexian, a researcher at the Institute of Physics, Chinese Aca

Jimu Shijing｜"Science 1 Hour" Douyin premiere was watched by nearly one million people, making science popularization and live broadcast complement each other beautifully

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One is the discoverer and namer of a new species of mammals in China, the "Beijing broad-eared bat", a great friend who specializes in science popularization, David Attenborough in the field of Chinese animals, and Zhang Jinshuo, deputy director of the National Museum of Zoology; - DayDayNews

One is the discoverer and namer of a new species of mammals in China, the "Beijing broad-eared bat", a great friend who specializes in science popularization, David Attenborough in the field of Chinese animals, and Zhang Jinshuo, deputy director of the National Museum of Zoology;

Live Event | Zhang Jinshuo x Fan Ye: A Wonderful Night at the National Zoological Museum

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Elephant (Poland) The general manager of the Słowámir Mrozzek Zoo is a careerist. For him, the animals in the garden are just steps for him to climb up. As for the unit under his jurisdiction's proper function of educating young people, he doesn't care at all. The giraffes in the - DayDayNews

Elephant (Poland) The general manager of the Słowámir Mrozzek Zoo is a careerist. For him, the animals in the garden are just steps for him to climb up. As for the unit under his jurisdiction's proper function of educating young people, he doesn't care at all. The giraffes in the

A short novel every day: "Elephant"

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Looking at the earth from the universe, the earth is a beautiful blue planet. There are many creatures living on the earth, including marine creatures, terrestrial creatures, amphibians and microorganisms, etc. Among many creatures, human beings are the most important on the eart - DayDayNews

Looking at the earth from the universe, the earth is a beautiful blue planet. There are many creatures living on the earth, including marine creatures, terrestrial creatures, amphibians and microorganisms, etc. Among many creatures, human beings are the most important on the eart

American scientists have discovered two super-Earths. Can life be nurtured on them?

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Source: WeChat public account "Research" Researcher Yang Zhilu of Dongguan Hospital of Southern Medical University and Professor Huang Nan of Southwest Jiaotong University (double-appointed professor of Dongguan Hospital of Southern Medical University), Hélder A. of the Universit - DayDayNews

Source: WeChat public account "Research" Researcher Yang Zhilu of Dongguan Hospital of Southern Medical University and Professor Huang Nan of Southwest Jiaotong University (double-appointed professor of Dongguan Hospital of Southern Medical University), Hélder A. of the Universit

New strategy for constructing coatings on anti-thrombotic and anti-infective surfaces inspired by mussels

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On July 14, the State Food and Drug Administration issued a notice officially launching the approval module for experimental research on narcotic drugs and psychotropic drugs. The application, acceptance, approval and other services for experimental research on narcotic drugs and - DayDayNews

On July 14, the State Food and Drug Administration issued a notice officially launching the approval module for experimental research on narcotic drugs and psychotropic drugs. The application, acceptance, approval and other services for experimental research on narcotic drugs and

【Follow】Activate! Online review and approval of experimental research activities on narcotic drugs and psychotropic drugs is here

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Cross-sectional view of the human heart Image credit: matis75/stock.adobe.com In order to build a human heart from scratch, researchers needed to replicate the unique structures that make up the heart. This involves reconstructing the spiral geometry that creates a twisting motio - DayDayNews

Cross-sectional view of the human heart Image credit: matis75/stock.adobe.com In order to build a human heart from scratch, researchers needed to replicate the unique structures that make up the heart. This involves reconstructing the spiral geometry that creates a twisting motio

We are closer to artificial heart

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This ultra-thin material can be wrapped around damaged nerves in the body, and even if the wound is closed, it can perform photoelectric conversion to accelerate repair. Recently, a related paper was published in Nature Materials under the title "Pore-based heterojunction enables - DayDayNews

This ultra-thin material can be wrapped around damaged nerves in the body, and even if the wound is closed, it can perform photoelectric conversion to accelerate repair. Recently, a related paper was published in Nature Materials under the title "Pore-based heterojunction enables

Scientists develop new materials that can be absorbed by the human body, which may be widely used in the human body in 3 to 5 years

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Source: CSSC Power Group’s understanding of marine low-speed engine emissions and thoughts on future technology and product development under the dual-carbon strategy (1) Tao Guohua, Liu Bo, Marcel Ott, Gui Yong Foreword In view of the current “heated” dual-carbon discussion, it - DayDayNews

Source: CSSC Power Group’s understanding of marine low-speed engine emissions and thoughts on future technology and product development under the dual-carbon strategy (1) Tao Guohua, Liu Bo, Marcel Ott, Gui Yong Foreword In view of the current “heated” dual-carbon discussion, it

Voice of the Media | Understanding of emissions from marine low-speed engines and thoughts on future technology and product development under the dual-carbon strategy (1)

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On July 12, 2022, American researchers announced that surgeons at New York University had successfully transplanted gene-edited pig hearts into two brain-dead patients. - DayDayNews

On July 12, 2022, American researchers announced that surgeons at New York University had successfully transplanted gene-edited pig hearts into two brain-dead patients.

Another successful pig heart transplant into a human! Why have pigs become the "savior" of human organ transplantation?

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The earth has been born for 4.6 billion years. Over this long period of time, it has been working hard to form life forms and provide a better living environment for life. Next, let’s take a look at the six most famous infectious diseases in history. Among them, cholera first bro - DayDayNews

The earth has been born for 4.6 billion years. Over this long period of time, it has been working hard to form life forms and provide a better living environment for life. Next, let’s take a look at the six most famous infectious diseases in history. Among them, cholera first bro

Among the six most famous infectious diseases in history, cholera first broke out in India and can be transmitted through feces or mouth.

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Keywords: inflammation, aging, spermidine, mitochondria Mitochondria are independent organelles with their own miniature chromosomes and DNA, responsible for producing the chemical energy required to maintain life and health. When stressed or dysfunctional, mitochondria excrete o - DayDayNews

Keywords: inflammation, aging, spermidine, mitochondria Mitochondria are independent organelles with their own miniature chromosomes and DNA, responsible for producing the chemical energy required to maintain life and health. When stressed or dysfunctional, mitochondria excrete o

How does mitochondrial damage exacerbate inflammation? How to prevent and control scientifically?

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These questions have troubled mankind for a long time. Although we have been exploring the universe for a long time, we have not found the answers to these questions so far. - DayDayNews

These questions have troubled mankind for a long time. Although we have been exploring the universe for a long time, we have not found the answers to these questions so far.

What is the end of the universe like? The Webb Telescope captured the scene 13.1 billion years ago. The universe is too big

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With the growth of the national economy, our country's science and technology is also constantly developing, and in this process, a large number of very excellent companies have emerged in our country, especially in the semiconductor field. In the development process of our count - DayDayNews

With the growth of the national economy, our country's science and technology is also constantly developing, and in this process, a large number of very excellent companies have emerged in our country, especially in the semiconductor field. In the development process of our count

Former Google CEO: Will the global semiconductor industry be paralyzed once China's Cassis Semiconductor takes over?

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In summer, snakes are most active. Snakes are often found breaking into human residences. Bathrooms and toilets are snakes' favorite hiding places. Recently in Taizhou, Jiangsu, a woman was going to the bathroom after taking a nap, but she found a black shadow in the toilet. Upon - DayDayNews

In summer, snakes are most active. Snakes are often found breaking into human residences. Bathrooms and toilets are snakes' favorite hiding places. Recently in Taizhou, Jiangsu, a woman was going to the bathroom after taking a nap, but she found a black shadow in the toilet. Upon

A woman in Jiangsu went to the toilet, only to find a snake protruding its head into the toilet. She was so frightened that she had toilet anxiety.

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The duration of new fast radio bursts increased by a thousand times and they repeated regularly - the "heartbeat" of billions of light-years away from the earth was heard. Learn more: Huizhi Technology Service Platform Technology Services Achievement Transformation Road Show Acti - DayDayNews

The duration of new fast radio bursts increased by a thousand times and they repeated regularly - the "heartbeat" of billions of light-years away from the earth was heard. Learn more: Huizhi Technology Service Platform Technology Services Achievement Transformation Road Show Acti

The latest domestic and international science and technology trends 2022.7.14 Thursday

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Amoloya once wrote in "The Biography of Alexandre Dumas": "I kissed you on the lips thousands of times. My kisses burned with passion, connected with your whole body, and made you tremble." The relationship between the sexes brings love to the world. They naturally fall in love w - DayDayNews

Amoloya once wrote in "The Biography of Alexandre Dumas": "I kissed you on the lips thousands of times. My kisses burned with passion, connected with your whole body, and made you tremble." The relationship between the sexes brings love to the world. They naturally fall in love w

When the two sexes get along, in addition to the mouth, kissing these four parts of each other can arouse his sexual desire.

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Ingredients & Ingredients for air-dried mutton stew: air-dried mutton, dried onions, ginger slices, garlic sprouts, shallots, dried chili peppers. Method: Put the air-dried mutton into the pot under cold water, add the ginger slices and blanch them, skim off the foam, remove and - DayDayNews

Ingredients & Ingredients for air-dried mutton stew: air-dried mutton, dried onions, ginger slices, garlic sprouts, shallots, dried chili peppers. Method: Put the air-dried mutton into the pot under cold water, add the ginger slices and blanch them, skim off the foam, remove and

Air-dried mutton stew, braised ribs with prunes and vegetables, eggplant vermicelli stew

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The Italian Ministry of Health issued an emergency food recall on Tuesday (12th): Vanilla ice cream tubs of the well-known ice cream brand Häagen Dazs were recalled due to chemical risks.

"Note" Emergency recall: Haagen-Dazs ice cream contains chemical risks, do not eat it

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Top information ▼ [Pet search information] Lost time: the evening of July 11, 2022 Lost address: Qinghe Road bus station near Shuangwan Jinyuan, Wuzhong District, Suzhou Pet characteristics: white fur on the right leg, a pointed tail A little white hair reward: 100. Likes to eat - DayDayNews

Top information ▼ [Pet search information] Lost time: the evening of July 11, 2022 Lost address: Qinghe Road bus station near Shuangwan Jinyuan, Wuzhong District, Suzhou Pet characteristics: white fur on the right leg, a pointed tail A little white hair reward: 100. Likes to eat

Dog-finding notices, cat-finding notices, lost pets and pet-finding information 20220714

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Top information ▼【Free adoption】[Dewormed][Vaccinated][Neutered] Pet source: Personal rescue Pet breed: Pastoral orange cat Pet age: Six months Pet gender: Female Delivery method: Free adoption ( Free) Sign an agreement: You need to sign an adoption agreement to close the network - DayDayNews

Top information ▼【Free adoption】[Dewormed][Vaccinated][Neutered] Pet source: Personal rescue Pet breed: Pastoral orange cat Pet age: Six months Pet gender: Female Delivery method: Free adoption ( Free) Sign an agreement: You need to sign an adoption agreement to close the network

Pet adoption, nationwide pet adoption, free adoption with no deposit 20220714

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We know that Bichon Frize is a very popular dog now. It is as cute as a marshmallow. Why do we still see so many Bichon Frize dogs wandering on the street? What about becoming a homeless little beggar? If you have a Bichon Frize at home, I hope you won’t abandon it or let it stra - DayDayNews

We know that Bichon Frize is a very popular dog now. It is as cute as a marshmallow. Why do we still see so many Bichon Frize dogs wandering on the street? What about becoming a homeless little beggar? If you have a Bichon Frize at home, I hope you won’t abandon it or let it stra

Why is it said that "Bichon Frize" cannot wander? I hope you don't abandon it

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