What Causes Day Length to Change from Summer to Winter?

2024/04/1810:53:08 science 571275

What Causes Day Length to Change from Summer to Winter? - DayDayNews

What Causes Day Length to Change from Summer to Winter? - DayDayNews

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Confucius was traveling eastward and heard two children arguing about the sun. "Is the sun closer in the morning or at noon?" A child used the visual size of the sun as evidence. He thinks the sun is bigger in the morning and therefore closer to us. Today we will explain why the - DayDayNews

Confucius was traveling eastward and heard two children arguing about the sun. "Is the sun closer in the morning or at noon?" A child used the visual size of the sun as evidence. He thinks the sun is bigger in the morning and therefore closer to us. Today we will explain why the

Geography Tips | Why does the sun in the morning and evening look bigger than the sun at noon?

05/21 1294

Editor: Yang Xiangyu Proofreader: Zhang Lu Micro (nano) plastics refer to plastic particles, films, fragments, pellets and textile fibers with particle sizes ranging from tens of nanometers to several millimeters. They are dispersed in the environmental medium and are often diffi - DayDayNews

Editor: Yang Xiangyu Proofreader: Zhang Lu Micro (nano) plastics refer to plastic particles, films, fragments, pellets and textile fibers with particle sizes ranging from tens of nanometers to several millimeters. They are dispersed in the environmental medium and are often diffi

WR | Ju Feng’s group from West Lake University reveals the impact of microplastic pollution on the bacterial flora and denitrification function of constructed wetlands

05/20 1240

Welfare announcement: The first 5 online/offline courses of "Clinical Genome/Exome Data Analysis Practice" have been successfully concluded. Online classes are offline classes broadcast live through Tencent Conference, real-time interaction, and video playback is recorded for unl - DayDayNews

Welfare announcement: The first 5 online/offline courses of "Clinical Genome/Exome Data Analysis Practice" have been successfully concluded. Online classes are offline classes broadcast live through Tencent Conference, real-time interaction, and video playback is recorded for unl

Issue 6 | Clinical Genome/Exome Data Analysis Practice (2022.7)

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Air turbine expander. Can you imagine that the air that is everywhere around us can both store energy and generate electricity? In Changzhou, Jiangsu, there is such a power station that uses air to store energy and generate electricity - the Jintan Salt Cave Compressed Air Energy - DayDayNews

Air turbine expander. Can you imagine that the air that is everywhere around us can both store energy and generate electricity? In Changzhou, Jiangsu, there is such a power station that uses air to store energy and generate electricity - the Jintan Salt Cave Compressed Air Energy

The world's first "non-supplementary combustion" compressed air energy storage power station is put into operation and the "air power bank" hidden underground

05/20 1893

Italian physicist Volta invented the battery. Italian physicist Volta. Although electric lights, telephones, refrigerators, televisions, and computers have entered people's homes, electric motors are also widely used in factories. These strong currents are drawn from generators. - DayDayNews

Italian physicist Volta invented the battery. Italian physicist Volta. Although electric lights, telephones, refrigerators, televisions, and computers have entered people's homes, electric motors are also widely used in factories. These strong currents are drawn from generators.

"The Story of Invention" (74) - Italian physicist Volta invented the battery

05/21 1748

Introduction to the results Inspired by agricultural ridge technology, in this article, researchers such as Associate Professor Guo Xingmei and Professor Zhang Junhao from Jiangsu University of Science and Technology, Professor Sheng Lin from Shandong University published a repor - DayDayNews

Introduction to the results Inspired by agricultural ridge technology, in this article, researchers such as Associate Professor Guo Xingmei and Professor Zhang Junhao from Jiangsu University of Science and Technology, Professor Sheng Lin from Shandong University published a repor

Jiangsu University of Science and Technology: Cobalt nickel selenium nanosheets grown on 3D carbon framework for use in supercapacitors

05/21 1591

1. Overview of Gene Sequencing Gene sequencing is one of the methods of genetic testing. It refers to the determination of the base sequence of DNA molecules in biological samples (tissues, cells, blood samples, etc.) through gene sequencing equipment, that is, the determination - DayDayNews

1. Overview of Gene Sequencing Gene sequencing is one of the methods of genetic testing. It refers to the determination of the base sequence of DNA molecules in biological samples (tissues, cells, blood samples, etc.) through gene sequencing equipment, that is, the determination

The current status and trends of the global and Chinese gene sequencing industry in 2021. Scale and outsourcing are the trends.

05/20 1385

For ocean areas, there are countless large and small islands. However, since islands are concentrated in the ocean, resources are indispensable if you want to survive on an island. Among them, there is a very unique island located in the South China Sea of my country, which is - DayDayNews

For ocean areas, there are countless large and small islands. However, since islands are concentrated in the ocean, resources are indispensable if you want to survive on an island. Among them, there is a very unique island located in the South China Sea of my country, which is

More precious than oil! Satellite view of Yongshu Island: surrounded by sea water, how can there be fresh water?

05/20 1885

Some time ago, the issue of electric earthworms aroused widespread attention and discussion among netizens. Electric earthworms use a machine similar to electric fish to insert two electrodes into the ground. After turning on the switch, the earthworms will automatically drill ou - DayDayNews

Some time ago, the issue of electric earthworms aroused widespread attention and discussion among netizens. Electric earthworms use a machine similar to electric fish to insert two electrodes into the ground. After turning on the switch, the earthworms will automatically drill ou

After earthworms, wild scorpions are also in crisis. Scorpion catchers are searching all over to find out how harmful they are.

05/21 1939

Batteries for electric cars make lithium a coveted raw material The lack of raw materials has put pressure on supply chains. A latest survey concluded that Germany is currently experiencing the most severe shortages of nine minerals, seven of which mainly come from China. 9 raw m - DayDayNews

Batteries for electric cars make lithium a coveted raw material The lack of raw materials has put pressure on supply chains. A latest survey concluded that Germany is currently experiencing the most severe shortages of nine minerals, seven of which mainly come from China. 9 raw m

Latest research: 7 of the 9 raw materials that Germany is seriously lacking mainly come from China

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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

05/22 1779

Autophagy is one of the hot spots. Now let’s explain the research ideas of “autophagy in inflammatory-related diseases” in the project design. 1. Research background Non-small cell lung cancer (NSCLC) is a common malignant tumor. The average survival time of lung cancer patients - DayDayNews

Autophagy is one of the hot spots. Now let’s explain the research ideas of “autophagy in inflammatory-related diseases” in the project design. 1. Research background Non-small cell lung cancer (NSCLC) is a common malignant tumor. The average survival time of lung cancer patients

Understand the classic ideas of autophagy research

05/22 1961

Changes in forest structure lead to changes in species composition and significant differences in soundscapes between undisturbed and disturbed forests. Tropical forests cover 12% of the Earth’s land surface but are home to about two-thirds of all terrestrial species. Spanning th - DayDayNews

Changes in forest structure lead to changes in species composition and significant differences in soundscapes between undisturbed and disturbed forests. Tropical forests cover 12% of the Earth’s land surface but are home to about two-thirds of all terrestrial species. Spanning th

How technology is letting us reveal the secrets of Amazon biodiversity

05/22 1623

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)

05/22 1806

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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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

05/22 1176

On July 4th, Beijing time, the Chinese men’s basketball team ushered in the fourth game of the World Cup preliminaries. The Chinese men’s basketball team VS Taipei men’s basketball team. In terms of the comprehensive strength and staffing of both sides, the Chinese men’s basketba - DayDayNews

On July 4th, Beijing time, the Chinese men’s basketball team ushered in the fourth game of the World Cup preliminaries. The Chinese men’s basketball team VS Taipei men’s basketball team. In terms of the comprehensive strength and staffing of both sides, the Chinese men’s basketba

A 20-point win! The Chinese men's basketball team defeated Taipei in a single quarter, Zhu Fangyu made sharp comments: two-level teams

05/22 1591

Are there still people who don’t know how to buy smart locks? They want to install a smart lock, but they don’t know how to choose and what aspects to look at. In fact, smart locks have six core technologies that you can pay attention to. Fingerprint reader Fingerprint reader is - DayDayNews

Are there still people who don’t know how to buy smart locks? They want to install a smart lock, but they don’t know how to choose and what aspects to look at. In fact, smart locks have six core technologies that you can pay attention to. Fingerprint reader Fingerprint reader is

How to choose a smart lock? You must pay attention to these six core technologies

05/22 1333

Introduction: With the continuous advancement of education, studying abroad is no longer a rare thing. Even for students from ordinary families, as long as they are willing to work part-time and put in some hard work, studying abroad is actually a good choice. - DayDayNews

Introduction: With the continuous advancement of education, studying abroad is no longer a rare thing. Even for students from ordinary families, as long as they are willing to work part-time and put in some hard work, studying abroad is actually a good choice.

Challenge the shortest distance for studying abroad. The school is only 500 meters away from home, but talking about the current situation makes people laugh.

05/22 1309

Since 2018, the phenomenon of training institutions "running away" has begun to increase year by year, and it has become more and more serious and has become a social problem. On the one hand, the person in charge of the training institution has lost all his money; on the other h - DayDayNews

Since 2018, the phenomenon of training institutions "running away" has begun to increase year by year, and it has become more and more serious and has become a social problem. On the one hand, the person in charge of the training institution has lost all his money; on the other h

Why do training institutions “run away”?

05/22 1477

1. Can students who have not passed the general high school entrance examination go to "high school"? The teacher tells the answer, and there is a chance for counterattack! There are clear differences between high school entrance exams and college entrance exams. The high school - DayDayNews

1. Can students who have not passed the general high school entrance examination go to "high school"? The teacher tells the answer, and there is a chance for counterattack! There are clear differences between high school entrance exams and college entrance exams. The high school

Can students who have not passed the general high school entrance examination go to "high school"? The teacher tells the answer, and there is still a chance of counterattack

05/22 1544

Judging from the content characteristics of learning motivation incentives, achievement motivation and power motivation have a higher level of learning motivation, followed by monetary incentives. Learning ability is improved, which will lead to changes in self-confidence and lea - DayDayNews

Judging from the content characteristics of learning motivation incentives, achievement motivation and power motivation have a higher level of learning motivation, followed by monetary incentives. Learning ability is improved, which will lead to changes in self-confidence and lea

Why is your child doing poorly?

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