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Let me tell you clearly how to choose badminton.

Explain badminton in detail

Badminton is made of natural materials, artificial materials or their mixture. It is divided into family balls, competition balls and all-plastic badminton. 16 feathers are fixed on the ball support. Feathers are 62-70 mm long, and the length of each ball’s feathers from the ball support surface to the feather tip should be the same. The top of the feather is in a circle with a diameter of 58-68 mm. Feathers should be tied with thread. The bottom of the ball holder is also spherical with a diameter of 25-28 mm. The weight of the ball should be 4.74-5.50g.. The flying speed of badminton in the same area mainly depends on its overall weight, caliber, hair type, the difference between the left and right hairs, and the weight ratio of the ball head to the ball body. The flying speed of badminton with the same weight will be very different in different areas, because the weight of the ball used is closely related to altitude and climate. First of all, let’s talk about badminton porn!

As we all know, badminton wool is divided into duck hair and goose hair. 80% of the balls in our domestic market are duck hair. Xiaobian will focus on duck hair balls today.

Common duck feather balls are generally used:Water duck, cherry duck, ostrich duck, Taiwan duck, dolphin duck. Among them, porpoise, water duck and bonito duck are the most common. It is said that most of the Ashilong badminton we are most familiar with is made of the wool of an ostrich duck.

Badminton wool specifications are divided into the following categories:Full circle, generous, Chinese, small square, and unilateral. The flying stability of the whole sphere is the best, and the flying stability of the single side is the best and the flying is the worst. Flying from left to right decreases in turn, and the hitting resistance increases in turn.(digression, recently, badminton fans have been sending messages asking me what kind of ball is good for flying. I can’t answer this question, so I will answer it in general, which should be counted as Chinese ball. Due to the characteristics of badminton, the perfect ball that is very resistant to flying has not yet been produced.) This article is also a solution for everyone.

▼The following specifications are attached for your reference.

▼ Full round duck hair slices, complete hair slices, pure white hair color, 16 hair slices weighing 1.8-2.1g

▼ Dafang duck hair slices, the small side of which is greater than or equal to 5.5mm

▼ Chinese duck slices, the small side of which is 4.0-5.4 mm.

▼ Small duck slices, the small side of which is 3.0-3.9mm

70% of the price of badminton depends on feathers, so the ball head will account for the remaining 25%.

Badminton ball heads are generally divided into four categories:All-natural cork ball head, triple ball head, double ball head and foam ball head..

All natural cork ball head:It belongs to the best ball head, which is used in the Olympic Games, but it is more luxurious for us to play ball.

Triple ball joint:Sanpin is three kinds of compound ball heads, namely cork, table fiber and hardwood, which are commonly found in badminton balls above 70 yuan.

Double ball joint:There are many domestic markets for double-splicing, such as composite cork ball heads, recycled cork ball heads and Taiwan fiber hardwood ball heads. The worst is all hardwood, and the balls around 60 yuan are basically double-ball heads.

Foam ball head:This kind of ball is usually sold in a small supermarket, which should not be regarded as a real badminton.

▼ The picture below shows the double composite cork ball head.

We’ve finished talking about the wool film and the ball head. Let’s talk about glue. Each company has its own unique formula. Japan’s ball-making technology can be said to be the world’s leading, and its glue is said to cost 800 yuan a catty. However, the glue cost of many domestic manufacturers ranges from tens of yuan to 200 yuan a catty. At present, there are basically three kinds of glue in China: first, nitrocellulose glue, chemical glue, second, resin glue, environmentally friendly natural glue, and third, the best mixed glue, nitrocellulose+resin glue, which is better, but has a heavy and pungent taste. Each has its own unique performance, and it is unclear who is good and who is bad.

In fact, there is nothing to say about cotton thread. The price is not high, and the consumption is not large, which is similar. 70% of the price of badminton depends on the price of porn, but nowadays porn is really expensive. It is soaring all the way!

The flying speed of badminton is directly related to the weight of the ball. The heavier the ball, the faster the ball speed. The flying speed of badminton is generally indirectly expressed by the weight of the ball.

For example, Li Ning uses 74, 75, 76, 77 and 78 to mark the ball speed, while the winners use 76, 77, 78 and 79 to distinguish the speed. Now the YONEX brand commonly used in international competitions is mostly marked with simple numbers from 0 to 5. The smaller the label number, the lighter the ball weight, the slower the ball speed, and vice versa.

How do golfers choose the ball speed? The following small series will explain it one by one.

1. High temperature and low speed, low temperature and high speed

In summer when the temperature is high, the average indoor temperature is above 28.5℃ due to the high air density. At this time, 76 speed with a slightly slower speed is usually selected, 77 speed is usually selected in spring and summer when the temperature is around 21.5-28.5℃, and 77 speed with a faster flight is usually selected when the indoor temperature is around 10-15℃ in autumn and winter (the temperature is usually around 15-18℃ due to heating in the northern area).

2. High pressure and high speed, low pressure and low speed

The higher the altitude, the lower the air pressure, the smaller the air resistance, and the slower the ball speed. For example, the average altitude of Yunnan-Guichuan and Shaanxi-Gansu-Ningxia is 1000-2000 meters, so the slow ball with the speed of 74 and 75 should be selected relatively, while the average altitude of the middle and lower reaches of the Yangtze River, South China and North China is below 500 meters, so the suitable ball speed is between 76 and 78.

3. High drying speed, low humidity speed

Humidity will also affect the ball speed. Generally, the high water content of the ball in high humidity air will be slightly heavier, and the ball speed will be slower. In dry places with low humidity, the water content of badminton will be slightly lower, and the speed will be slightly higher. The air humidity in Sichuan Basin, the middle and lower reaches of the Yangtze River and South China is high in spring and summer, so 76-speed balls will be used more. In northern areas, it will be cold and dry from November to February, so 78 or 79-speed fastballs should be considered.

Badminton tribe’s only official WeChat WeChat official account: Badminton Huiyou ID: (yqhy 365)

(Source: Music Badminton)

Suning Siqing distributes football gifts, football teenagers’ dreams and super league training base.

Welcoming his 27-year-old "birthday", Suning’s Nanjing headquarters is full of joy. It’s not just a big cake 27 meters long. As always, public welfare is still the theme of Suning Siqing. 100,000 candied oranges have traveled more than 2,000 miles from Mayang Miao Autonomous County in Hunan to Nanjing. These oranges are the "online celebrity" promoted by the "Chinese Pavilion" of Suning’s e-commerce poverty alleviation.

27-meter-long birthday cake at Suning headquarters

Sugar Orange from Mayang Miao Autonomous County, Hunan Province came to Nanjing Suning Headquarters.

As the celebration of the 27th anniversary of Suning, on the afternoon of December 25th, the football carnival "Warm Christmas in the Name of Love" created by Jiangsu Suning Football Club was held in Xuzhuang Training Base, which was the second consecutive year that Jiangsu Suning Football Club held the Christmas carnival.

The Christmas tree is full of fans’ blessings, the children are running happily on the pitch, Suning.cn team member Li Ang started the live broadcast of the first game of his "commentary" career, and Yang Li, the main player of Suning women’s football team, put on a Christmas hat to interact with the children …

Football carnival activity site

At the event site, children from Suning socialized youth training, "Football 1+1" public welfare project and social recruitment visited Suning Xuzhuang training base under the leadership of the staff, and the base was decorated with Christmas elements, which the children liked very much.

Suning.cn team member Li Ang and Suning women’s football player Yang Li distributed carefully prepared Christmas gifts for the children. "I like my brother Li Ang very much. I hope he will play better in next year’s competition." A child named Li Zhemo also made a small request to Li Ang, hoping that Li Ang would teach him to kick free kicks.

Suning.cn team member Li Ang and Suning women’s football player Yang Li prepare Christmas presents for the children.

At the players’ meeting, Li Ang and Yang Li shared their Christmas experiences with the children. Li Ang said, "Today is the first time I have spent Christmas in this way, and I am very happy with my children. Before Christmas, I would spend it with my family, eat and chat together. " Yang Li said: "I will prepare an apple for myself at Christmas and pray for peace in the coming year."

It is worth mentioning that, under the organization of the club, the children of socialized youth training in Suning had an interesting 4-to-4 football friendly match with the children of "Football 1+1", with Li Ang and Yang Li as the commentators. "It’s very gratifying to see children so happy because of football." Li Ang said: "They got together because of football, and I believe they will also form a deep friendship because of this activity and this football."

Children of socialized youth training in Suning have a friendly match with children of "Football 1+1" public welfare project.

On December 26th, at the 2018 Suning Public Welfare Strategy Conference and the 27th anniversary public welfare birthday celebration ceremony, Suning invited China Foundation for Poverty Alleviation, amity foundation, True Love Dream Foundation and other partners to release 2017 public welfare achievements and 2018 public welfare road map focusing on "precise poverty alleviation, sports, education" and other public welfare fields, so as to convey Suning’s social responsibility and public welfare charity to the society. Football public welfare has become the key content.

"Football 1+1" is a public welfare project jointly sponsored by Suning and amity foundation. Through one-on-one assistance, football education activities are carried out for schools in Jiangsu and Anhui provinces, and campus football training is promoted to interact with leagues, football summer camps and stars. In 2018, this project will continue to advance, so that the joy of football will come to more children in poverty-stricken areas and remote areas.　

Note: This article belongs to the commercial information published by People’s Daily Online. The content of this article does not represent the views of this website, and it is for reference only.

Great news! Guo Ailun has recovered well, and the Asian Games is expected to show its grace again.

Great news! Guo Ailun has recovered well, and the Asian Games is expected to show its grace again.

The fans ushered in great news! Guo Ailun is recovering well, and he is expected to show his outstanding strength again in the Asian Games. The resolution of the injury problem has cheered the fans, and his return will add a lot of strength and confidence to the China men’s basketball team. I expect him to shine again in the Asian Games and win honor for the China men’s basketball team. In the past few years, Guo Ailun has played an important role in the men’s basketball team in China. His outstanding performance and leadership style have made him an idol in the hearts of fans at home and abroad. However, injuries have been plaguing his career, which not only separated him from the team for a long time, but also worried the fans. Countless fans are looking forward to his recovery, hoping to enjoy his excellent performance again in the Asian Games.

In the process of recovery, Guo Ailun made great efforts and perseverance. He actively cooperated with the professional rehabilitation team to carry out rehabilitation training and constantly broke through himself in order to return to the stadium as soon as possible. And his firm will and unyielding fighting spirit also deeply infected the people around him. His teammates are full of expectations for his return, and the coaching staff is full of confidence in him. They believe that under the leadership of Guo Ailun, the China men’s basketball team will make some gains in the Asian Games. As the highest comprehensive sports meeting in Asia, the Asian Games is of great significance to the China men’s basketball team. This is not only a competitive game, but also an opportunity to show our strength. For Guo Ailun personally, the Asian Games is also a stage to prove himself again. He is eager to win honor for his country and bring joy to the fans with his own strength.

Therefore, he attaches no less importance to the Asian Games than other important competitions. Guo Ailun’s return will have a positive impact on the China men’s basketball team. As a leader, his play on the court and his influence off the court are irreplaceable. His excellent organizational skills and calm judgment made him the soul of the team. In addition, his personal ability is also quite outstanding. With superb skills and decisive attack, he can score key points for the team at critical moments. The fans expressed full expectations and appeals for Guo Ailun’s return. Numerous messages and comments have sprung up on social media, expecting him to shine again in the Asian Games.

Someone said: "I look forward to seeing Guo Ailun show his excellent state in the Asian Games, so that the whole world can know the strength of the China men’s basketball team!" Others wrote: "I wish Guo Ailun a smooth recovery and look forward to seeing him bring more victories to the China men’s basketball team!" The voice of the fans is undoubtedly the greatest support and encouragement for Guo Ailun. With the Asian Games coming, the news that Guo Ailun has recovered well is exciting. His return will add a lot of strength and confidence to the China men’s basketball team. I believe he will shine again in the Asian Games and win more honors for the China men’s basketball team! No matter how the game results, Guo Ailun will always be a hero in the hearts of fans, and his persistence and fighting spirit will inspire more young people to pursue their basketball dreams.

May he achieve excellent performance in the Asian Games and continue to make greater contributions to the basketball cause in China!

Potter： In terms of stable performance and results, we haven’t reached the desired level yet.

Live on March 11th, before the match against leicester city, Chelsea coach Porter was asked which is more important, the Champions League or the League. In this regard, he said that he is more inclined to focus only on the next game.

Porter replied: "I understand this problem, but it almost belongs to the category of’ being wise after the fact’. I prefer to focus only on the next game, focusing on leicester city, focusing on how we won that game and how to keep things going. If you think too much, you will tie yourself down. In the end, what we need is to keep it simple, focus on the next game and strive for victory. "

"Historically, the club has won the Champions League, and some players in the dressing room have done the same. Some people have left, some people have experienced injuries and we have new players. We have a transition period between these two windows, and many things have happened, so maybe we haven’t reached that level in terms of stable performance level and getting the results we want. "

"But on any given day, I think it’s fair to say that we can compete with any team in the Premier League, but what we need is to do it more frequently. Two victories make things easy, but against leicester city we must start again, we must maintain the momentum and continue to build a positive feeling after the game against Dortmund. "

"It will be a tough game against leicester city. They are fighting for points. They also want to win and have been doing their best. Unfortunately, the previous results are not what we want. Stress will make things more challenging, but we need to move on. Before the game against Leeds United, I said that we saw a lot of positive things on the training ground, and what we need is to transfer it to the game. "

"Sometimes, this is a process. You need to go through some difficult times, but the ability of the players is certain. This is about how we do it collectively, and how we can find the best way to achieve stable performance and results. This is a wonderful week, but we need another wonderful performance and result to end this week, and the best way to convince people that you are on the right path is to win, which is also true for players. "

From 1 win in 12 games to 18 unbeaten games! They have not only British Mbappé, but also Japanese Neymar.

In Ligue 1, if you only focus on Paris Saint-Germain, Messi, Neymar and Mbappé, you will obviously miss too many beautiful scenery.

Lance, who won only one victory in 12 Ligue 1 games at the beginning of the season, came to the eighth place in the standings with 18 unbeaten matches. Here, there are not only "English Mbappé" Balogun, but also "Japanese Neymar" Ito Junya who sent five goals and five assists in 23 matches in Ligue 1.

A. This Kanagawa boy: grew up in a non-profit football organization.

Born on March 9, 1993, Itochun is also a native of Kanagawa Prefecture and comes from Yokosuka City. This once small fishing village has gradually developed into a military port and a maritime gateway to Tokyo.

His parents, both workers, left their hometown early to work, leaving Ito Chun in Yokosuga. There are many non-profit football training institutions there, so from the age of 6, he can get in touch with professional football training as long as he pays a small basic fee.

Because he hated the "dormitory, the relationship between the superior and the subordinate", he chose Toyo High School in Kanagawa Prefecture (which sounds a bit like Rukawa Kaede) where he could go to school from home.

By virtue of his outstanding performance in the youth invitational tournament in Kanagawa Prefecture at the age of 16, Itongchun also received an olive branch from a professional team.

From the football team of Kanagawa University, the wind forest of Jiafu to the cypress sun god, Itochun also put on the jersey of the Japanese national team for the first time at the age of 25.

B. choose Belgium as the first stop to study abroad! At the age of 29, I set foot on the Ligue 1 competition.

In 2018, Yi Dongchun also handed over a report card with 9 goals and 17 assists in the J League’s Cypress Sun God, so in the winter window of January 2019, he joined the Genk Club in Belgium on loan.

Bought out a year and a half later, he spent three and a half years in Bijia.Especially in the 2020-21 season and 2021-22 season, Yi Dongchun actually handed over a perfect report card with 12 goals, 16 assists and 8 goals and 21 assists.

In the Asian Top 12 World Cup preliminaries, Itongchun, who has secured the main position of the Japanese national team, also scored four consecutive goals, especially against the national football team, leaving a deep impression on countless China fans.

The 29-year-old is eager for new challenges. Last summer, he transferred to Lance, who joined Ligue 1 for 10 million euros: "I don’t prefer any country or league. I believe I can stand on my feet wherever I go."

So far this season, Yi Dongchun, who has played 23 matches in Ligue 1, has also handed in an answer sheet with 5 goals and 5 assists, and directly participated in the data of 10 goals, which also made him surpass his predecessor Daisuke Matsui and become the first Japanese player to score goals in Ligue 1 in a single season (Daisuke Matsui contributed 5 goals and 4 assists in 2007-08 season).

A. fast speed+good movement without the ball

Although he plays more as a right winger on the court, Ito Chun also has a little Neymar style in some ball handling styles.

Fast speed, strong up-and-down ability, combination of ball and no ball, and good performance in passing and shooting.

This time, in the position of the wing, Ito Chun also scored the ball and immediately inserted it without the ball. The second catch directly crossed the ball to find the back point, but unfortunately the teammate was too slow to outflank in place.

Let’s take a look at the offensive and defensive conversion this time. Yi Dongchun also directly broke the ball after the opponent threw the sideline ball and launched a counterattack on the spot.

The key is that it is beautiful to pass the ball in this step, and then Phillips on the flank of the ball is divided. The latter’s wonderful pass directly brought Balogun into the penalty area and scored a goal.

B: 10 times in a single game: 1 goal and 2 assists.

In the 25th round of Ligue 1, Yi Dongchun not only contributed 1 goal and 2 assists in a single game, but also helped Lance beat Toulouse 3-0. He became the best player in Ligue 1 in a single round and was selected as the 11 best players of the week.

You know, in the Ligue 1 dialogue with Montpellier, Ito Chun also had 10 successful feats in a single game.

The first goal in the match with Toulouse was that Yi Dongchun also used his own speed to flexibly turn around and get rid of the first defender, then crossed the second defender, and finally faced the goalkeeper with a single knife and calmly pushed the score.

Let’s take a look at this ball-breaking counterattack. Ito Chun also used the speed change to pass the first person, and then passed the second Toulouse player again.

It’s a pity that the last kick was a beautiful straight plug, but teammate Mathus Wa didn’t hit the goalkeeper’s shot well, which made Ito Chun miss an assist.

A. Both feet can handle the ball: as a winger, they can cut the attack.

Ito Junya, who just celebrated his 30th birthday, can play the left and right wingers on the court.

The dominant foot is the right foot, but the left foot also has a certain ability to handle the ball, so in the game, he can attack internally.

As can be seen from the lens, after getting the ball on the flank this time, Ito Chun also made a strong cut, and then sent an imaginative pass with his heel.

Teammate Ka Giust took the ball and shot it with a blast, sending it to the bottom of the opponent’s net.

Let’s take a look at this attack. Ito Chun also completed continuous dribbling and dodging on the flank, and he had a good sense of rhythm in the process of cutting into the middle.

Use continuous setbacks to confuse opponents, and finally send a simple cross, but unfortunately teammates with more space in the front of the penalty area didn’t shoot well at last.

B.1.9 key passes per game.

Compared with contributing 5 goals and 5 assists and averaging 1.7 successes per game,Yi Dongchun’s most surprising data is his key pass averaging 1.9 times in Ligue 1.This kind of passing performance is still quite outstanding.

Generally speaking, Ito Junya’s passing is not very creative, but it always gives a good opportunity. This time, Mooney West scored an assist goal, which is an example.

After getting the ball in the middle, Yi Dongchun also had a long-range shot. When he saw his teammate’s flank sleeve, he sent a scoring ball to the short pass of the empty space, allowing Mooney West to score directly.

In the match with ajaccio, Ito Chun also assisted Ka Giust to finish the lore in the 95th minute.

At first, Yi Dongchun also had a good sense of dividing the ball, but he gave a little more strength. In the ensuing chaos, it was very important for him to calmly pass back, which brought the final word from his teammates.

Celebrating his 30th birthday, before you know it, Ito Chun has also played in European football for almost four and a half years.

Perhaps at the age of 30, it’s hard for him to enter a big team, but the most dazzling Japanese international in the top 12 is still trying to write his own football chapter.