Polymer Purification

2024/05/2405:54:05 science 7102

Polymer Purification - DayDayNews

Polymer Purification - DayDayNews

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The metallurgical industry in the Qing Dynasty exceeded the level of the mid-Ming Dynasty. According to statistics from the Geological Survey, the national output of iron smelting by the old method was more than 170,000 tons in 1919, and the output of iron in the late Qing Dynast - DayDayNews

The metallurgical industry in the Qing Dynasty exceeded the level of the mid-Ming Dynasty. According to statistics from the Geological Survey, the national output of iron smelting by the old method was more than 170,000 tons in 1919, and the output of iron in the late Qing Dynast

Cold Knowledge of the Qing Dynasty - Metallurgical and Machinery Manufacturing Achievements of the Qing Dynasty

06/10 1613

Chinese people have a special emotion for the moon. Chang'e flies to the moon, the Moon Rabbit makes medicine, we are strangers in a foreign land, but we still share the beauty of the moon. The moon represents my heart. Throughout the ages, many thoughts and emotions have been pl - DayDayNews

Chinese people have a special emotion for the moon. Chang'e flies to the moon, the Moon Rabbit makes medicine, we are strangers in a foreign land, but we still share the beauty of the moon. The moon represents my heart. Throughout the ages, many thoughts and emotions have been pl

Why do American experts want to blow up the moon and leave the earth without seasons? What is their purpose?

06/10 1691

On July 6, the team of Professor Luan Sheng from the University of California, Berkeley, published a paper in Nature entitled. A receptor-channel trio conducts Ca. - DayDayNews

On July 6, the team of Professor Luan Sheng from the University of California, Berkeley, published a paper in Nature entitled. A receptor-channel trio conducts Ca.

Nature | Luan Sheng's team has made important breakthroughs in the fields of plant sexual reproduction and signal transduction

06/10 1171

Protecting wild animals is everyone’s responsibility. The reporter learned from the Guangdong Coast Guard Bureau on July 7 that recently, law enforcement officers from the Nan'ao Work Station of the Guangdong Shantou Coast Guard Rescued a pangolin, a national first-level wild pro - DayDayNews

Protecting wild animals is everyone’s responsibility. The reporter learned from the Guangdong Coast Guard Bureau on July 7 that recently, law enforcement officers from the Nan'ao Work Station of the Guangdong Shantou Coast Guard Rescued a pangolin, a national first-level wild pro

Meet a "cute" on the road! Coast Guard law enforcement officers warmly rescue pangolins, national first-level protected animals

06/09 1082

The spring itself is elastic. After being compressed, the spring will have the tendency to return to its initial state, and therefore has elastic potential energy. We can think of it as the energy stored in the overall system of the spring. So the question is Question: If a compr - DayDayNews

The spring itself is elastic. After being compressed, the spring will have the tendency to return to its initial state, and therefore has elastic potential energy. We can think of it as the energy stored in the overall system of the spring. So the question is Question: If a compr

Put a compressed spring into strong acid. After the spring dissolves, where does the energy of the spring go?

06/09 1513

Recently, researchers such as Broad Institute of MIT and Harvard David Liu published a review in Cell to introduce the research progress in this field. - DayDayNews

Recently, researchers such as Broad Institute of MIT and Harvard David Liu published a review in Cell to introduce the research progress in this field.

Cell | David Liu and others review the research progress of gene editing vectors

06/09 1876

Paris, July 7, local time, France had 161,265 new confirmed patients and 89 new deaths within 24 hours, bringing the total to 149,943. - DayDayNews

Paris, July 7, local time, France had 161,265 new confirmed patients and 89 new deaths within 24 hours, bringing the total to 149,943.

An increase of 161,000 cases! New variant of COVID-19 detected in Europe! Fuel subsidy launched in October! France plans to limit property tax increases! Pasta and meat prices are going crazy

06/10 1662

Researchers including Daohua Jiang from the Institute of Physics, Chinese Academy of Sciences, and William Catterall and Ning Zheng from the University of Washington analyzed the structure of the open-state cardiac sodium channel (NaV1.5) and analyzed its working principle (1). - DayDayNews

Researchers including Daohua Jiang from the Institute of Physics, Chinese Academy of Sciences, and William Catterall and Ning Zheng from the University of Washington analyzed the structure of the open-state cardiac sodium channel (NaV1.5) and analyzed its working principle (1).

Cell | Open state myocardial sodium channel structure

06/09 1285

The Earth is a planet filled with liquid water, with approximately 71% of its surface area covered by seawater, and this number is getting larger as sea levels rise due to global warming. Many people may have wondered what the bottom of the sea looks like. The simple answer is th - DayDayNews

The Earth is a planet filled with liquid water, with approximately 71% of its surface area covered by seawater, and this number is getting larger as sea levels rise due to global warming. Many people may have wondered what the bottom of the sea looks like. The simple answer is th

Why is it said that it rained for millions of years before the earth finally had an ocean?

06/09 1008

As we said before, oracle bones are keel bones and belong to the fossil category. So the first question is, did these fossils appear first and then people carved them on them, or did people find these bones first and carve words on them, and then these bones gradually evolved int - DayDayNews

As we said before, oracle bones are keel bones and belong to the fossil category. So the first question is, did these fossils appear first and then people carved them on them, or did people find these bones first and carve words on them, and then these bones gradually evolved int

"Quest Files" Unsolved Mysteries of the World - The Black-Headed Man from the East 2

06/10 1017

Pictured above is Physarum polycephalum, a protist, specifically a slime mold. The term "slime mold" does not refer to a specific single group, but is a broad term referring to several types of eukaryotes that behave similarly. Regardless, they possess intelligence, although it l - DayDayNews

Pictured above is Physarum polycephalum, a protist, specifically a slime mold. The term "slime mold" does not refer to a specific single group, but is a broad term referring to several types of eukaryotes that behave similarly. Regardless, they possess intelligence, although it l

Intelligent slime mold

06/11 1668

01. Nostalgia is a spaceship heading to Mars. ——Douyou 02. Since childhood, I have been taking care of the stars of all generations alone. ——Bai Helin's "Loneliness" 03. The stars should laugh, the universe is a remote place anyway. ——Pasternak 04. All my desires and contemplatio - DayDayNews

01. Nostalgia is a spaceship heading to Mars. ——Douyou 02. Since childhood, I have been taking care of the stars of all generations alone. ——Bai Helin's "Loneliness" 03. The stars should laugh, the universe is a remote place anyway. ——Pasternak 04. All my desires and contemplatio

Golden sentence#星星——All my desires and contemplations are the slowly exhaled air currents of this universe.

06/11 1169

Today, an insight into the vision of a once young cosmic artist shows the dust continuum and molecular lines of carbon monoxide and water seen in the pair of SPT0311-58 galaxies. (Image source: ALMA (ESO/NAOJ/NRAO)/S. - DayDayNews

Today, an insight into the vision of a once young cosmic artist shows the dust continuum and molecular lines of carbon monoxide and water seen in the pair of SPT0311-58 galaxies. (Image source: ALMA (ESO/NAOJ/NRAO)/S.

Water was discovered in ancient galaxies, which surprised astronomers. What happened?

06/11 1154

Text/Picture Yangcheng Evening News all-media reporter Wen Cong has completed about 700 experimental projects, filling many gaps in my country's scientific research field... Next month, the China Spallation Neutron Source (CSNS) will have been in operation for four years. With th - DayDayNews

Text/Picture Yangcheng Evening News all-media reporter Wen Cong has completed about 700 experimental projects, filling many gaps in my country's scientific research field... Next month, the China Spallation Neutron Source (CSNS) will have been in operation for four years. With th

Filling in many scientific research gaps! The China Spallation Neutron Source will be in operation for four years丨The party flag is flying high at the grassroots level

06/11 1511

In fact, we are not unfamiliar with the term mycotoxins. They generally exist in grains. The detection of mycotoxins can be carried out on-site. When choosing instruments for testing, we must choose brands with good quality. - DayDayNews

In fact, we are not unfamiliar with the term mycotoxins. They generally exist in grains. The detection of mycotoxins can be carried out on-site. When choosing instruments for testing, we must choose brands with good quality.

Introduction to applicable industries of mycotoxin detectors

06/11 1040

How should we choose testing instruments? When choosing together, we should focus on the quality of the product. Speaking of instruments, online residual chlorine analyzers have a wide range of uses. They are not only very accurate in detecting residual chlorine content, but can - DayDayNews

How should we choose testing instruments? When choosing together, we should focus on the quality of the product. Speaking of instruments, online residual chlorine analyzers have a wide range of uses. They are not only very accurate in detecting residual chlorine content, but can

Instructions for using online residual chlorine analyzer

06/11 1125

On the afternoon of April 20, Lin Zhiying's wife Chen Ruoyi shared a photo of her injured knee on her personal social platform. She also posted: "As soon as I got off the car, I was facing the wind. I felt like I was walking in the wind, and I fell down." - DayDayNews

On the afternoon of April 20, Lin Zhiying's wife Chen Ruoyi shared a photo of her injured knee on her personal social platform. She also posted: "As soon as I got off the car, I was facing the wind. I felt like I was walking in the wind, and I fell down."

Chen Ruoyi posted photos of her injured legs. The skinned wounds on both knees were shocking. Lin Zhiying felt distressed after seeing them.

06/16 1662

Lin Zhiying was injured. According to Taiwanese media reports, the "ageless male god" Lin Zhiying recently recorded a reality show and challenged a task on a frozen lake frozen at minus 20 degrees. He accidentally slipped and fell heavily. He fell to the ground and collapsed in p - DayDayNews

Lin Zhiying was injured. According to Taiwanese media reports, the "ageless male god" Lin Zhiying recently recorded a reality show and challenged a task on a frozen lake frozen at minus 20 degrees. He accidentally slipped and fell heavily. He fell to the ground and collapsed in p

Lin Zhiying was suspected of injuring his ribs while recording a variety show, but now he says he is fine

06/16 1656

Lin Zhiying was promoting his new album, and he appeared at the age of 43 when he was about to turn 43. However, because of his love for racing in the past, his body was covered with injuries. He showed the health report and the results showed that his cervical, lumbar, and thora - DayDayNews

Lin Zhiying was promoting his new album, and he appeared at the age of 43 when he was about to turn 43. However, because of his love for racing in the past, his body was covered with injuries. He showed the health report and the results showed that his cervical, lumbar, and thora

Lin Zhiying was hit by a car and had bone spurs in his cervical vertebra! Lumbar and thoracic vertebrae are all dislocated

06/16 1895

"We Are Seventeen" ushered in a "severe cold experience" this week in Fuyuan, Heilongjiang, the "Eastern Pole of China", and this episode is full of laughter! Just look at the clothes of the celebrities and you will know how cold it is here. It is always around minus 20 degrees C - DayDayNews

"We Are Seventeen" ushered in a "severe cold experience" this week in Fuyuan, Heilongjiang, the "Eastern Pole of China", and this episode is full of laughter! Just look at the clothes of the celebrities and you will know how cold it is here. It is always around minus 20 degrees C

"We Are Seventeen" Jimmy Lin became a black hole in the game, lamenting "I think this episode is not suitable for me"

06/16 1875

It is the nature of every child to be lively and active, so bumps, scrapes and falls are common for children. Late at night on February 22, Lin Zhiying posted on Weibo in the tone of a son: I accidentally fell and injured myself, but it’s still very cute. - DayDayNews

It is the nature of every child to be lively and active, so bumps, scrapes and falls are common for children. Late at night on February 22, Lin Zhiying posted on Weibo in the tone of a son: I accidentally fell and injured myself, but it’s still very cute.

Lin Zhiying’s youngest son’s face was so painful that he frowned. Netizens said he was as naughty as Kimi when he was a child.

06/16 1769

Jimmy Lin is known as the ageless male god. At 47 years old, he still looks so young and energetic, which is really enviable. And Tae, a Thai artist who developed in Taiwan under the name "Thailand Jimmy Lin" many years ago, has a Chinese name Tang Chenyu is now 40 years old, 7 y - DayDayNews

Jimmy Lin is known as the ageless male god. At 47 years old, he still looks so young and energetic, which is really enviable. And Tae, a Thai artist who developed in Taiwan under the name "Thailand Jimmy Lin" many years ago, has a Chinese name Tang Chenyu is now 40 years old, 7 y

The recent news of the 40-year-old "Thailand Jimmy Lin" was revealed. He married his stewardess girlfriend for the second time, and his middle-aged weight shows a bit of vicissitudes.

06/16 1111