PCB Inspection Methods & Common PCB Defects

2024/03/2917:12:04 science 29204

PCB Inspection Methods & Common PCB Defects - DayDayNews

PCB Inspection Methods & Common PCB Defects - DayDayNews

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CCTV news: In the "14th Five-Year Plan", Hong Kong has a new important positioning as an "international innovation and technology center." Hong Kong has strong scientific research capabilities, but it also faces shortcomings such as land shortage. Under the blueprint of the Guang - DayDayNews

CCTV news: In the "14th Five-Year Plan", Hong Kong has a new important positioning as an "international innovation and technology center." Hong Kong has strong scientific research capabilities, but it also faces shortcomings such as land shortage. Under the blueprint of the Guang

Joined forces! Relying on the Greater Bay Area strategy to develop an international innovation and technology center

05/13 1483

According to the "Commission Leaders" column on the official website of the National Health Commission, Zeng Yixin, deputy director of the National Health Commission and deputy director of the Central Health Commission, has recently been confirmed as a ministerial-level cadre. Ze - DayDayNews

According to the "Commission Leaders" column on the official website of the National Health Commission, Zeng Yixin, deputy director of the National Health Commission and deputy director of the Central Health Commission, has recently been confirmed as a ministerial-level cadre. Ze

Zeng Yixin, an academician of the Chinese Academy of Sciences, was clearly at the ministerial level. Zeng, Mo Yan and others were invited by the Prime Minister to Zhongnanhai

05/13 1517

December 30, 1990 to December 6, 2007 In November 2007, New Zealand's National Institute of Water and Atmospheric Research (NIWA) announced that the amount of ice in the country's southern Alps had decreased by nearly 11% over the past 30 years. - DayDayNews

December 30, 1990 to December 6, 2007 In November 2007, New Zealand's National Institute of Water and Atmospheric Research (NIWA) announced that the amount of ice in the country's southern Alps had decreased by nearly 11% over the past 30 years.

"Space Observation" The melting of the Tasman Glacier

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Tech makes skin three decades younger Over the past decade, de-aging cells has become increasingly common as researchers have reprogrammed a variety of mouse and human cell types. However, after so many years of de-aging, cells still retain their specific types and functions. - DayDayNews

Tech makes skin three decades younger Over the past decade, de-aging cells has become increasingly common as researchers have reprogrammed a variety of mouse and human cell types. However, after so many years of de-aging, cells still retain their specific types and functions.

High technology makes your skin look 30 years younger

05/13 1321

When you observe the universe carefully, you will find that most celestial bodies are in the shape of spheres. Although some spheres do not look so round, such as Titan, which looks like a "walnut", fundamentally speaking, we Still very similar. And when humans discovered the mys - DayDayNews

When you observe the universe carefully, you will find that most celestial bodies are in the shape of spheres. Although some spheres do not look so round, such as Titan, which looks like a "walnut", fundamentally speaking, we Still very similar. And when humans discovered the mys

Is there a perfect sphere in the world? The most perfect sphere created by scientists still has deviations

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do you know? The oil extraction process is quite complicated, and there is even a pipeline that is constantly spitting fire. What is going on? Oil is generally buried under the ground. If you want to find oil, you must use three-dimensional seismic detection technology, which use - DayDayNews

do you know? The oil extraction process is quite complicated, and there is even a pipeline that is constantly spitting fire. What is going on? Oil is generally buried under the ground. If you want to find oil, you must use three-dimensional seismic detection technology, which use

Why is there a pipeline that keeps spewing fire when oil is being mined? Aren't you afraid of causing danger?

05/13 1698

Optical plating of silicone products refers to the process of plating metal (or dielectric) film (or multi-layer metal) on the surface of optical parts. The purpose of surface coating of optoelectronic devices is to reduce or increase the reflectivity, beam splitting, color separ - DayDayNews

Optical plating of silicone products refers to the process of plating metal (or dielectric) film (or multi-layer metal) on the surface of optical parts. The purpose of surface coating of optoelectronic devices is to reduce or increase the reflectivity, beam splitting, color separ

What are the applications of optical coatings on silicone products? Let this article tell you "Today's News"

05/13 1831

Miraculous Supersolid Properties Supersolids are not what they sound like. Essentially, its atoms are arranged in a rigid crystal structure, like a regular solid, but they can also flow with zero viscosity like a superfluid. It sounds like a paradox, but scientists have thought i - DayDayNews

Miraculous Supersolid Properties Supersolids are not what they sound like. Essentially, its atoms are arranged in a rigid crystal structure, like a regular solid, but they can also flow with zero viscosity like a superfluid. It sounds like a paradox, but scientists have thought i

Supersolid: always flowing, no friction

05/13 1529

Since 1945, a series of disappearances of ships and aircraft have occurred in the Bermuda Triangle, and Bermuda has become almost synonymous with mystery and terror. - DayDayNews

Since 1945, a series of disappearances of ships and aircraft have occurred in the Bermuda Triangle, and Bermuda has become almost synonymous with mystery and terror.

“Devil’s Triangle”—Bermuda (Part 1)

05/13 1240

According to a report by Agence France-Presse on June 29, NASA Administrator Bill Nelson said on Wednesday that after launching the James Webb Space Telescope, the agency will release on July 12 "the deepest image ever taken." Images of the Universe”. - DayDayNews

According to a report by Agence France-Presse on June 29, NASA Administrator Bill Nelson said on Wednesday that after launching the James Webb Space Telescope, the agency will release on July 12 "the deepest image ever taken." Images of the Universe”.

The Webb Space Telescope captured the "deepest image of the universe in history" breaking previous observation records

05/12 1214

This is the warning that NASA Administrator Bill Nelson gave to China's space program in an interview with German newspaper Bild. He said that China may land on the moon and said, "This is ours now, don't come over." - DayDayNews

This is the warning that NASA Administrator Bill Nelson gave to China's space program in an interview with German newspaper Bild. He said that China may land on the moon and said, "This is ours now, don't come over."

The director of NASA warned that China wants to occupy the moon, and NASA will do anything to get money.

05/15 1931

Preface Human beings still know very little about nature. Among natural creatures, there are many magical creatures waiting for us to discover, such as those in the underwater world, because most of them live in the deep sea. Human beings want to explore and discover them complet - DayDayNews

Preface Human beings still know very little about nature. Among natural creatures, there are many magical creatures waiting for us to discover, such as those in the underwater world, because most of them live in the deep sea. Human beings want to explore and discover them complet

The rarest and most bizarre aquatic creatures in the world, many people have seen them for the first time. Which ones have you seen?

05/15 1204

According to a report by the Japan Broadcasting Association on July 1, the Japan Marine Research and Development Agency announced that one of their research teams photographed a "deep sea fish". It is very huge and has a fat body, just like the disgusting creatures depicted in Ja - DayDayNews

According to a report by the Japan Broadcasting Association on July 1, the Japan Marine Research and Development Agency announced that one of their research teams photographed a "deep sea fish". It is very huge and has a fat body, just like the disgusting creatures depicted in Ja

Another "new species" was photographed in Japan, a 2-meter strange fish. Is it nuclear radiation or an invasion of undersea species?

05/15 1044

Will extraterrestrial civilization exist? This is a topic worthy of our thinking and research. Logically speaking, the possibility of the existence of extraterrestrial life and extraterrestrial civilization is relatively high. After all, the universe is too big and there are coun - DayDayNews

Will extraterrestrial civilization exist? This is a topic worthy of our thinking and research. Logically speaking, the possibility of the existence of extraterrestrial life and extraterrestrial civilization is relatively high. After all, the universe is too big and there are coun

No wonder academicians believe there are aliens! New discovery of "Eye in the Sky": Received signal from suspected extraterrestrial civilization

05/15 1256

Spatiotemporal correlation between macrophages and exhausted CD8+ T cells in tumors Matthew F., University of California, San Francisco, USA. - DayDayNews

Spatiotemporal correlation between macrophages and exhausted CD8+ T cells in tumors Matthew F., University of California, San Francisco, USA.

Spatiotemporal correlation between macrophages and exhausted CD8+ T cells in tumors

05/14 1663

Lu Bin's team revealed the important mechanism of N-glycosylation modification of Mer receptor tyrosine kinase in regulating the growth of liver cancer. Researcher Lu Bin's team from Nanhua University Hengyang Medical College's Laboratory of Mitochondrial Biomedicine (LFMB) and W - DayDayNews

Lu Bin's team revealed the important mechanism of N-glycosylation modification of Mer receptor tyrosine kinase in regulating the growth of liver cancer. Researcher Lu Bin's team from Nanhua University Hengyang Medical College's Laboratory of Mitochondrial Biomedicine (LFMB) and W

Lu Bin’s team’s new research results on N-glycosylation of Mer receptor tyrosine kinase

05/14 1587

Redemption code (valid until: 7.03 12:00) VBM56TEEQMU6NB5LNAXEQMWS6S556SWF85FE1. Maplehara Manyo's legendary mission "Maple Red Chapter" will be launched soon 2. New character "Shikanoin Heizo (4☆)" 3. Character "Maplehara Manyo ( 5☆)”, “Keli (5☆)” and “Xiao Gong (5☆)” are reprod - DayDayNews

Redemption code (valid until: 7.03 12:00) VBM56TEEQMU6NB5LNAXEQMWS6S556SWF85FE1. Maplehara Manyo's legendary mission "Maple Red Chapter" will be launched soon 2. New character "Shikanoin Heizo (4☆)" 3. Character "Maplehara Manyo ( 5☆)”, “Keli (5☆)” and “Xiao Gong (5☆)” are reprod

Genshin Impact V2.8 version preview-includes redemption code

05/15 1109

A lifelong friend of a game, hello everyone, I am Moyan Wuqing. The long-awaited new Tianyance has been opened for testing. I believe many players have more or less understood the new Tianyance gameplay. Wuqing It was also the first time I went to the experience server to learn m - DayDayNews

A lifelong friend of a game, hello everyone, I am Moyan Wuqing. The long-awaited new Tianyance has been opened for testing. I believe many players have more or less understood the new Tianyance gameplay. Wuqing It was also the first time I went to the experience server to learn m

Westward Journey Online 2: The wind method under the new Tianyan strategy may become the mainstream spell in PK

05/15 1333

At the end of 2010, dozens of women sat in the court, some excitedly shouting out their thoughts. In addition to the victims who testified in court, there were more than a hundred women paying attention to the case, and they all secretly prayed that this devil would be sentenced - DayDayNews

At the end of 2010, dozens of women sat in the court, some excitedly shouting out their thoughts. In addition to the victims who testified in court, there were more than a hundred women paying attention to the case, and they all secretly prayed that this devil would be sentenced

Liu Qingpeng was sentenced to death in 2010. He insulted 116 women in 17 years, including a 60-year-old aunt.

05/15 1500

The robe and ax of Giovanni Battista Bugatti, official executioner of the Papal States from 1796 to 1864. Completed in 2014, it has an African traditional style. - DayDayNews

The robe and ax of Giovanni Battista Bugatti, official executioner of the Papal States from 1796 to 1864. Completed in 2014, it has an African traditional style.

41 rare photos, some of which were once top secret?

05/15 1450

When the two sexes get along, you are interested in a woman, have true feelings for her, intentionally get close to her, say some love words to make her happy, do some things to please her, you guard her silently, and you long for her favor from the bottom of your heart; you just - DayDayNews

When the two sexes get along, you are interested in a woman, have true feelings for her, intentionally get close to her, say some love words to make her happy, do some things to please her, you guard her silently, and you long for her favor from the bottom of your heart; you just

When a woman gets along with the opposite sex, she will release these signals if her heart is moved.

05/15 1648

Daniel Busy Marriage and Emotion Case Series Keywords: marriage, lover, woman Article length: 4500 words original article, plagiarism must be investigated When one day, you find that the relationship between husband and wife no longer needs love, is it a good thing or a bad thing - DayDayNews

Daniel Busy Marriage and Emotion Case Series Keywords: marriage, lover, woman Article length: 4500 words original article, plagiarism must be investigated When one day, you find that the relationship between husband and wife no longer needs love, is it a good thing or a bad thing

Some relationships between men and women are not love, but they make people willing to do so. This marriage case is very profound.

05/15 1881