Introductory Astronomy: Positions on the Celestial Sphere

2024/05/1313:10:09 science 181093

Introductory Astronomy: Positions on the Celestial Sphere - DayDayNews

Introductory Astronomy: Positions on the Celestial Sphere - DayDayNews

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The full text has a total of 569 words | It will take about 2.5 minutes to read. Is the ecology good? Watch where the birds fly and where the fish swim. Wild animals are the vane of ecological improvement. Recently, some people discovered a breeding colony of Sand Swallows along - DayDayNews

The full text has a total of 569 words | It will take about 2.5 minutes to read. Is the ecology good? Watch where the birds fly and where the fish swim. Wild animals are the vane of ecological improvement. Recently, some people discovered a breeding colony of Sand Swallows along

Why are more and more rare birds settling in Daxing? turn out to be……

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Recently, the team of Academician Chen Hualan of the Harbin Veterinary Research Institute of the Chinese Academy of Agricultural Sciences has made important progress in the research of H5N1 subtype highly pathogenic avian influenza viruses. This research has systematically clarif - DayDayNews

Recently, the team of Academician Chen Hualan of the Harbin Veterinary Research Institute of the Chinese Academy of Agricultural Sciences has made important progress in the research of H5N1 subtype highly pathogenic avian influenza viruses. This research has systematically clarif

Tracing the source! Scientists reveal the evolution of the new H5N1 avian influenza virus

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Midsummer has arrived, and it’s the time of year when people have the most intensive outdoor activities. How is the air quality in various places? Ministry of Ecology and Environment: Moderate ozone pollution will occur in many places in the first half of July. The Ministry of Ec - DayDayNews

Midsummer has arrived, and it’s the time of year when people have the most intensive outdoor activities. How is the air quality in various places? Ministry of Ecology and Environment: Moderate ozone pollution will occur in many places in the first half of July. The Ministry of Ec

Let’s ask the question: Moderate ozone pollution will occur in many places in the first half of July. How to control and protect it? (CCTV News)

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Click to read the relevant answers. The reasons are nothing more than: high academic pressure, low employment rate, too bald to engage in scientific research in the laboratory, etc., which has led to endless voices in society "dissuading people from studying biology". - DayDayNews

Click to read the relevant answers. The reasons are nothing more than: high academic pressure, low employment rate, too bald to engage in scientific research in the laboratory, etc., which has led to endless voices in society "dissuading people from studying biology".

Yale Ph.D.: This major has deceived me for fifteen years, and finally I found that I made a profit

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In 1992, Neal Stephenson constructed a virtual world parallel to the real world, the Metaverse, in his science fiction novel "Snow Crash". Since then, although the concept of the metaverse has not left the public eye, it has not been widely paid attention to and accepted by peopl - DayDayNews

In 1992, Neal Stephenson constructed a virtual world parallel to the real world, the Metaverse, in his science fiction novel "Snow Crash". Since then, although the concept of the metaverse has not left the public eye, it has not been widely paid attention to and accepted by peopl

Ethical Thoughts on the "Metaverse"

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CMP is a planarization process that is carried out by chemical and mechanical effects. It preferentially removes the concave and convex parts on the surface to make it a surface with consistent height differences. It can effectively obtain an ultra-smooth surface. Its polishing p - DayDayNews

CMP is a planarization process that is carried out by chemical and mechanical effects. It preferentially removes the concave and convex parts on the surface to make it a surface with consistent height differences. It can effectively obtain an ultra-smooth surface. Its polishing p

The unspeakable secrets of fumed silica and CMP chemical mechanical polishing (1)

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As a field closely related to people, water environment has always been the focus of great attention. Water quality monitoring instruments serve as a "pioneer" in water environment management. With the rapid development of advanced technologies such as the Internet of Things, COD - DayDayNews

As a field closely related to people, water environment has always been the focus of great attention. Water quality monitoring instruments serve as a "pioneer" in water environment management. With the rapid development of advanced technologies such as the Internet of Things, COD

Manganese method COD meter - ensuring the safety of water environment

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An astronaut aboard the International Space Station (ISS) captured this image of Tunupa Volcano on February 5, 2022. It is located on a peninsula between Bolivia's two largest salt flats (Salar de Uyuni and Salar de Coipsa). These saline marshes vary in sediment coverage and micr - DayDayNews

An astronaut aboard the International Space Station (ISS) captured this image of Tunupa Volcano on February 5, 2022. It is located on a peninsula between Bolivia's two largest salt flats (Salar de Uyuni and Salar de Coipsa). These saline marshes vary in sediment coverage and micr

"Space Observation" Bolivia's Tunupa volcano photographed by the International Space Station

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Introduction In future device generations, photoresist (PR) and residue removal will become critical. After front-end-of-line (FEOL) ion implantation (source/drain, extension, haIos, deep well), the use of PR to seal part of the circuit causes the PR to be essentially hardened an - DayDayNews

Introduction In future device generations, photoresist (PR) and residue removal will become critical. After front-end-of-line (FEOL) ion implantation (source/drain, extension, haIos, deep well), the use of PR to seal part of the circuit causes the PR to be essentially hardened an

Valincona studies post-etch residue and photoresist removal

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New research shows that some viruses can change people's body odor, making the bitten person more attractive to mosquitoes. When more mosquitoes bite the virus host, the virus will spread more widely. - DayDayNews

New research shows that some viruses can change people's body odor, making the bitten person more attractive to mosquitoes. When more mosquitoes bite the virus host, the virus will spread more widely.

New research shows that some viral infections may make people more "mosquito-attractive"

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Through this event, the path from scientific research to industrial application, and from laboratory to clinical practice has been further opened. At the Molecular Diagnostics Forum on June 24, Xu Xiaonan, founder of Dapu Biotech, gave a sharing titled "Searching for Needles in t - DayDayNews

Through this event, the path from scientific research to industrial application, and from laboratory to clinical practice has been further opened. At the Molecular Diagnostics Forum on June 24, Xu Xiaonan, founder of Dapu Biotech, gave a sharing titled "Searching for Needles in t

Dapu Biotech: Constructing the underlying technology of droplet microfluidics to create industrial-level solutions for biopharmaceuticals

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The L'Oréal Corporate Foundation and UNESCO held a grand ceremony for the "World's Outstanding Female Scientists Achievement Award" on June 23 in Paris, France. Hu Hailan, dean of the School of Brain Science and Brain Medicine at Zhejiang University in China, has become the 2022 - DayDayNews

The L'Oréal Corporate Foundation and UNESCO held a grand ceremony for the "World's Outstanding Female Scientists Achievement Award" on June 23 in Paris, France. Hu Hailan, dean of the School of Brain Science and Brain Medicine at Zhejiang University in China, has become the 2022

TOPHER｜Conversation with Hu Hailan: Female scientists should not be labeled

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According to measurements, the water content of aquatic plants is as high as 98%, the water content of herbaceous plants is 70~80%, the water content of woody plants is 40~50%, and the water content of plants in desert areas is only 6%. - DayDayNews

According to measurements, the water content of aquatic plants is as high as 98%, the water content of herbaceous plants is 70~80%, the water content of woody plants is 40~50%, and the water content of plants in desert areas is only 6%.

Do you know what plant is called the "nine-death resurrector"?

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Are UFOs "getting together" in 2022? Indeed, there has been a lot of discussion on this issue this year, including the issue of suspicious signals detected by China’s Sky Eye, which we just introduced. Many people say that it may be related to extraterrestrial life. - DayDayNews

Are UFOs "getting together" in 2022? Indeed, there has been a lot of discussion on this issue this year, including the issue of suspicious signals detected by China’s Sky Eye, which we just introduced. Many people say that it may be related to extraterrestrial life.

"Mysterious light beams" appear in many provinces in my country! Citizen: It disappeared a minute ago, what could it be?

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In her research, she found a brain area in the thalamus that could improve movement and depression-like symptoms of Parkinson's disease by regulating different types of neurons in this brain area. - DayDayNews

In her research, she found a brain area in the thalamus that could improve movement and depression-like symptoms of Parkinson's disease by regulating different types of neurons in this brain area.

MIT postdoc reveals new target for Parkinson's treatment, expected to be translated into primates

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"China wants to occupy the moon" - NASA Administrator Nelson's accusation against China in an exclusive interview with Germany's Bild newspaper became an international joke this weekend. Some foreign media also quoted his words with a strong sense of irony: For example, an articl - DayDayNews

"China wants to occupy the moon" - NASA Administrator Nelson's accusation against China in an exclusive interview with Germany's Bild newspaper became an international joke this weekend. Some foreign media also quoted his words with a strong sense of irony: For example, an articl

It became an international joke! What is the origin of the man who said "China wants to occupy the moon"?

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Some time ago, I was fortunate enough to read "The Ming Dynasty under the Microscope" written by Mr. Ma Boyong. I feel that this historical and factual literary work is very vivid. The author has no intention of advertising, I am just expressing my own feelings. - DayDayNews

Some time ago, I was fortunate enough to read "The Ming Dynasty under the Microscope" written by Mr. Ma Boyong. I feel that this historical and factual literary work is very vivid. The author has no intention of advertising, I am just expressing my own feelings.

In the power struggle of the Ming Dynasty, four nameless souls died.

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This sentence comes from a famous line in "A Fang Gong Fu" by Du Mu of the Tang Dynasty, which summarizes the conclusions of historical scholars on the demise of the Qin Dynasty. In fact, aside from these seemingly high-sounding political reasons, as a direct cause of the demise - DayDayNews

This sentence comes from a famous line in "A Fang Gong Fu" by Du Mu of the Tang Dynasty, which summarizes the conclusions of historical scholars on the demise of the Qin Dynasty. In fact, aside from these seemingly high-sounding political reasons, as a direct cause of the demise

This habit of Qin Shihuang was the trigger for the demise of the Qin Dynasty

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After babies are born, they need to receive various vaccines. This can prevent many different diseases for children with low resistance, so parents also attach great importance to it. - DayDayNews

After babies are born, they need to receive various vaccines. This can prevent many different diseases for children with low resistance, so parents also attach great importance to it.

If my child is not vaccinated during the vaccination time, will it still be effective if I vaccinate again later? The doctor told the truth!

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Introduction: The COVID-19 epidemic has gradually stabilized. Domestic and international health organizations have made positive contributions, especially our country’s medical staff. They have worked very hard in the epidemic prevention process. If they had not worked overtime, - DayDayNews

Introduction: The COVID-19 epidemic has gradually stabilized. Domestic and international health organizations have made positive contributions, especially our country’s medical staff. They have worked very hard in the epidemic prevention process. If they had not worked overtime,

How long is the interval between the first and second dose of the vaccine? Will the second shot be ineffective if given late?

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Click "Healthy China" above to subscribe. Worried about your baby missing out on vaccinations? Not sure when to get which vaccine? - DayDayNews

Click "Healthy China" above to subscribe. Worried about your baby missing out on vaccinations? Not sure when to get which vaccine?

Popular science | Moms, collect it now! The most comprehensive "Baby Vaccination List" is here~

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Recently, on the basis of continuing to vaccinate people over the age of 12, various regions across the country have successively launched COVID-19 vaccination for people aged 3 to 11 years old. Is it necessary to vaccinate children? What precautions should be taken when children - DayDayNews

Recently, on the basis of continuing to vaccinate people over the age of 12, various regions across the country have successively launched COVID-19 vaccination for people aged 3 to 11 years old. Is it necessary to vaccinate children? What precautions should be taken when children

Here are the answers to the questions you are concerned about about children’s COVID-19 vaccination

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