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The principle of Galileo Telescope and optical road map

The objective mirror is a Telescope that can gather lens and eyepiece to diverge the lens.The real image of the light through the refraction of the objective mirror is on the focus of the eyepiece (behind the purpose of the person). This is like a virtual image of the pair mirror, so it is refracted into a magnifying positive image.The magnitude of the Galileo Telescope is equal to the ratio of the focal length of the material mirror to the focal length of the eyed mirror.Its advantage is that the lens barrel can be short and can be positive, but its vision is relatively small.Two Galileo's Telescopes with a low magnification of the magnification are tied together. In the middle, a bolts can be used to adjust its clearly. It is called "Watching mirror"; because it is convenient to carry, it is often used to watch performances.

You can use a very low cost to make a Galileo -style Telescope.Buy a glasses with a diameter and focal length from cultural supplies stores as objective mirrors and lens with a small -diameter and smaller diameter as eyepiece.Use glue and small grooves to put two lenses in the hard paper Tube, and make a simple table, so a Telescope of the mountains on the moon, the stars in the galaxy, and the Jupiter's satellite Telescope can be made.Think about it, Galileo was discovered with this person.But remember, do not directly observe the sun through the Telescope, so as not to burn your eyes at high temperature!Galileo's refraction Telescope has an annoying disadvantage, that is, "fake color" is generated around the bright objects.The disease produced by "fake color" is that the so -called "white light" is not the light of white color at all, but a mixing from all color light that forms a rainbow from red to purple.When the beam enters the objective mirror and is refracted, the refraction level of various color light is different, so the focus of the imaging is different, and the blur is generated.

In 1611, another astronomer Capeller used two dual -convex lenses as objective mirrors and mirrors, which improved the magnification significantly. In the future, people call this optical system as the Campler -style Telescope.The refractive Telescope used now is still two forms.But the "fake color" problem has not been solved.

Lieper is not an astronomer. He never thought that his new installation was aimed at the sky.But not long, the news about his discovery spread.Fortunately, Galileo, a professor at the University of Padova in Italy, learned about it.Galileo quickly created a refraction Telescope.He uses flat convex lens as objective mirror and concave lens as eyepiece.From the light shot from the objects to be studied to a glass lens of the Telescope lens, the objective mirror reflects the light and focuses on it as the focus of the focus, where the glowing image is formed.This is enlarged by the lens of the eyepiece and entered the eye.

1. How to install the Luya water drop wheel

The method of launching the Luya water droplet wheel is very simple. The specific operation is to first pass the fishing line through the wire ring, then tie the fishing line on the online cup, and finally shake the handle to wrap the fishing line around the online cup.It is worth noting that the line cannot be installed too full. Generally, it is recommended to load the lines of the line cup is about 1.5 to 2.0 mm. The fishing line is too full of throwing.

2. How to adjust the Luya Drop Wheel will not bomb the line

To adjust the Luya water drop wheel to avoid the frying line, you can follow the steps below:

1. Mechanical braking adjustment:First adjust the mechanical brake. This is usually located on the side of the rocker arm. The mechanical brake is adjusted to the critical value of shaking and not shaking from the left and right of the wire cup. This goal can be achieved by fine -tuning the knob.

2. Magnetic braking adjustment:For magnetic brakes (commonly in water drops), the brake strength can usually be adjusted through the numbers on the knob. The larger the number, the stronger the brake power, the more stable the throwing.Gradually reduce the gear until the appropriate gear of the non -fried line is found.

3. fish line match:Choose nylon or woven wires to avoid using carbon lines because the carbon line is hard and easily leads to frying lines.

4. Wire shaft fine -tuning knob:Adjust the line axis to fine -tune the knob to ensure that when the fake bait is free to bottom out from the tip of the pole, the wire cup does not bombard the wire.

5, disclosure adjustment:Adjust the disclosure knob to ensure that the thread cup is properly loose during the throwing process to prevent bombing.

6. Practice throwing:When practicing throwing, pay attention to the movement of the thumb pressure cup. As the skill improves, the brake gear can be gradually reduced to achieve the best throw distance without bombing.

Through the adjustment and practice of these steps, the situation of the line can be effectively reduced or avoided.

Mount Everest Climate Condition

Mount Everest, the peak is high, and the geographical environment is unique.There are some places on the mountains that have been snowing all year round, and glaciers, ice slope, and ice tower are visible everywhere.The peaks are thin, and the oxygen content of the air is only a quarter of the eastern plain area.There are many uncommon winds in the twelve Levels.The wind blows snow, splashed and flying, permeated the sky.

The climate of the peak and its nearby peaks is complex and changeable. Even within a day, it is often unpredictable, let alone the clouds and rain within the four seasons.Generally speaking, the rainy season from early June to mid -September each year. The strong southeast monsoon causes frequent rainstorms, the clouds are filled, and the snow and snow are raging.From mid-November to mid-February of the following year, due to the strong control of the northwest cold current, the lowest temperature can reach -50 C, and the average temperature is about -30 C.The maximum wind speed can reach 90 meters per second.Early March to the end of March to the end of the wind season to the rainy season, and the beginning of September to the end of October is the fall of the rainy season to the windy season. During these two seasons, there may be better weather. It is the best climbing.season.Because the climate is extremely cold, it is also known as the third pole in the world. According to the radio exploration data of the Ding-Sentest Meteorological Station under the foot of Mount Everest, at the height of 7,500 meters above sea level, the coldest month is in February, and the average temperature is -27.1 is -27.1, the hottest month is August, the average temperature is -10.4 , and the average annual temperature is -19.6 .

Mount Everest Tourism Guide

The route to enter the mountain from the People's Republic of China is: ride from Lhasa and passes through the Zhongni Highway through Yanghu, Jiangzi, Shigatse, Xieer, Mansu Temple, Everest, Nimu County, Qu Shui County, Lhasa, a total of 670 kilometers, a total of 670 kilometers.The trip was two days, and then went south along the simple highway through the Pazhuo District. After driving 110 kilometers, he went to the northern foot of Mount Everest.Mount Everest is about 100 kilometers south of the Central Highway.It is not difficult to find a car from Shigatse and Lazi to the new day, but the remaining 100 kilometers of the base camp can be very low in the stool, so it is recommended to go from Lhasa.

Document

To travel to Everest, you must apply for a border certificate.You can handle it in the place where the household registration is, or you can entrust travel agencies in Lhasa or Shigato.

TOLL

You need to go through the formalities of entering the mountain at the hotel at the new day intersection. Rent the car to Mount Everest or drive by car. At the Peak Heritage intersection of Dingri, when you buy a ticket, you will be 200 yuan (driver free of charge)., 100 yuan a wheel, a large car of 200 yuan per wheel, and a fee of 5 yuan.After arriving at the Mount Mount Camp Tent area 20 kilometers south, there are 4 kilometers from Everest Camp. This journey can only get out of the car to walk on foot, or go to an environmentally friendly car, 25 yuan per person (round -trip).

Lodging

The only place near Mount Everest Base Camp is the Tent area of the Mansion 2 kilometers south of the Poona Temple, 60 yuan.Before entering Mount Everest, the better conditions are Everest hotel, Shanghai Mount Mount Garden hotel, and Baiba hotel. It is located on the new day. The standard room for bathing and bringing a bathroom is 330 to 340 yuan/room.

Bus travel route

From Lhasa to Shigatse, take the Shigatse shuttle bus at the western outskirts of Lhasa. One hour is every hour, the fare is 85-125 yuan, and the price is determined according to the model.

Take a vehicle from Shigato to the ending day, take the long -distance passenger station at Shigatse, two shifts a day, the fare is 85 yuan.

Roll from Dingtian to Mount Everest, 500 yuan per person.After arriving at the Mansion Base Camp (Tent area), 2 kilometers south of the daobu Temple, replaced the environmental car to the Everest Camp (at the 5200 Monument), the fare was 25 yuan.

Mount EverestAttraction ticket

There are many regular travel agencies from Lhasa who are receiving customers. Remember not to register at the railway stations, streets, and hotels.

Attractions fare: 80 yuan

Mount Everest Environmental Protection Fee: 45 yuan/65 yuan

Mount Everest Environmental Protection Fare: 250 yuan

Ticket price description:

The ticket price of Mount Everest Tourism Scenic Area implements a "one -vote system", and the ticket price is 250 yuan per person per person.

The environmental protection premiums entering the mountains entering the Mount Everest Scenic Area, that is, the large car enters 605 yuan each time, and the car enters 405 yuan each time.

The carriage from the Daibu Temple to the Da Benying has been canceled. Environmental car is used for a fare of 25 yuan. It is 8 kilometers from the Paibu Temple to Mount Everest.

According to the Tibetan Autonomous Region Tourism Bureau, Shigatse Tourism Bureau, and Everest Management Committee, the price of Everest is adjusted to 90 yuan.

climbing Mount Everest Physical Quality Training

If you have a certain economic foundation, and your body is OK, and there is no disease such as asthma, heart disease, hypertension and other diseases, then you can enter the next step: prepare for Dengzhutu.Don't think it's easy, this process takes 3 to 4 years.

The first step, low -altitude outdoor activities, physical training, and basic technical learning. In terms of physical endurance, cardiopulmonary function, legs and waist and abdomen strength, and bearing ability.If a novice can use all weekends, this stage can be completed within one year.

The second step began to enter the thin area of high altitude.Before climbing Everest, it was best to have 2 to 3 high -altitude climbing experiences. When climbing, carried anti -altitude reaction products to prevent serious altitude altitude reactions.According to the rules of progress, healthy people can start from the 6000 -meter mountain peak, and then a mountain peak of 7000 meters and 8000 meters.It takes 1 year at the fastest at this stage, and it usually takes 2 to 3 years.

The third step, the preparation stage of Everest climbing.In half a year, he devoted himself to the preparation of Everest climbing, especially the training and reserves of physical fitness.

How long does it take to reach the summit of Mount Everest

The climbing cycle of Everest is very long. Generally speaking, it has been successively reached the Everest season from early April. Until the end of May, it will end at least 1 and a half months to 2 months.

The official climbing Everest, the north slope set off from the base camp to the top, to returning to the base camp, it usually takes 4 days.It also depends on comprehensive factors such as physical condition and weather conditions.

During the climbing process, various extreme weather will be encountered. The most common thing above 3,000 meters above sea level is the snowstorm, strong wind, poor visibility, and dim light. In this case, a person is easily accidental due to a bunker.In addition, it is necessary to consider the avalanche, sliding to falling, frostbite, hypoxia, and supply shortages that cause the top of the summit and even danger of life.

What should I pay attention to when climbing Everest

1. Acute alpine disease

Most climbers will have acute alpine diseases between 1800 and 5,800 meters above sea level, and they will feel nausea, dizziness, vomiting, and drowsiness."Although acute alpine disease is not fatal, these symptoms will make climber nervous and anxious, which will exacerbate pain.

When there are professional leaders or professional climbers, climbers will advance at the speed of science. In this case, acute alpine diseases that appear in this case can use drugs that suppress altitude altitude reactions.Improved in one or two days.

However, the consequences of severe acute alpine diseases are very serious. It can cause plateau cerebral edema and plateau pulmonary edema. These are fatal acute diseases.Although only about 1%of people will have plateau cerebral edema at a altitude of 3,000 meters, once climbers suffer from plateau brain edema, its balance and coordination ability will be damaged, the body will become very tired, the mental state is extremely bad, Later, you may fall into a coma.At this time, rapid and sufficient oxygen is the key to life -saving.

2. Plateau pulmonary edema

About 8%of the climbers will appear altitude pulmonary edema at an altitude of 2500 to 5,500 meters. The lung effusion will cause them to cough severe, and there will be pink foam -like sputum.EssenceRegardless of plateau cerebral edema or pulmonary edema, it needs to go down the mountain in the shortest time to ensure life safety.

3. Low temperature frostbite

Of course, low temperature can also pose a great threat to the health of climbers.Frozen frost, low body temperature, insufficient energy, extremely fatigue, will intensify as the climbing height increases."The longer people spend at the height of possible illness, the greater the risk they face, and the greater the chance of getting sick." Therefore, when congestion occurs on the climbing routeThe disease is also more difficult to accept timely treatment.

4. Mount Everest

Therefore, Everest's "traffic jam" is fatal from some aspects. When the climber lined up, they could not eat or sleep in the extremely cold. This kind of waiting is different from our daily life waiting.More energy consumption, including oxygen consumption, is a huge test physiological and psychological.

How about Mu Gao Di sleeping bag?

1. Mu Gao Di Northern Fox Fluffy sleeping bag

Saddle -shaped neck collar and three -dimensional wind barrier design. By blocking the flow of cold air from the outside world, it further improves the insulation performance of Sleeping bags. When you face bad weather, it is easier and calm;Balanced, high -density anti -drill velvet, comfortable and breathable, durable; 700 rejected water goose down with DuPont Tellon craftsmanship is hydrophobic, it is not easy to be wet, fluffy and more long -lasting.

2. Mu Gao Di Zero spring and summer sleeping bag

The inner and outer layers are soft and comfortable and Skin -friendly.The conjoined storage bag design can be used for the storage bag, and it can be filled as pillows for use.There is a zipper at the bottom and sides, which has the effect of heat dissipation and breathable.

3. Mu Gao Di Lengshan 150 envelope autumn and winter sleeping bag

Ultra -fine fiber anti -down, preservation rate, moisture -proof, and compressed.Super compressed outer bag, simple and portable.Skin -friendly fabrics, change the existing sleeping bag thick benzene appearance, comfortable and warm.

4. Mu Gao Di Lengshan 150 Mommy sleeping bag in autumn and winter

Configure the pumping rope to adjust the tightness lock and the breathable switching.There is a zipper at the bottom and sides, which has the effect of heat dissipation and breathable.

Mu Gao Di brand introduction

Starting from the cold mountain Tent in 2003, Mu Gaodi has adhered to the concept of "Camping professionalism". As the Outdoor camping equipment series of Mu Gao Di core products, it covers high altitude Camping, Hiking Camping, Park leisure, exquisite Camping and travelSuch a scene to meet the professional equipment and clothing needs in each scenario.

Mu Gaodi advocates that it is close to nature, explore nature, protect nature, and harmony between man and nature.Mu Gao Di is committed to creating a comfortable, secure, and delicate -moving space.Mountain movement, mountain climate and mountain aesthetics are the source of our inspiration.

[Mu Gao Di Mobigarden sleeping bag purchase & gt; & gt;]

On September 12-17, 2024, London Fashion Week ushered in the fortieth anniversary. As a global weathervane, it is known for its diversification and creativity. Wide attention of trendy names and fashion media.Chinese Outdoor brand Pelliot Bobs and "NatureShell Natural Shell" theme showed a stunning appearance, becoming the first Chinese Outdoor brand in the history of the London Fashion Thursday.

This time, the creativity of Bobs and the "Natureshell Natural Shell" show comes from China's vast, diverse geological environment and precious and natural things contained in China. The perfect fusion of aesthetics, through the creative experimental design, breaks the boundary of professional Outdoor and urban fashion. In the interactive scene of cities and Outdoor, a beautiful imagination of the new and natural Outdoor lifestyle has created an exclusive natural show. Field and fashion Outdoor collar.Mainland Chinese actresses Xuan Lu, trendy master Vallerie, Fiorella, international supermodel Skelly, and many media such as Vogue and Bazaar and other media and fashion bloggers have visited the show.

At the Tenth anniversary celebration of London Fashion, Bojihe also released the global designer cooperation plan of Pelliot Global Designer Cooperation. As one of the fashion layout of Boji and Pelliot Fashion, the plan is committed to it with outstanding designers and brands around the world, brand, brand, brand, brand, brand, brand, brand, brand, brand, design colleges, fashion media and associations, etc. to reach in -depth cooperative relationships, create super fashion items, and cultivate and support outstanding young designers and excellent original design brands to provide one -stop new retail from production, operation, to promotion and sales Solution.

Compared to similar brands, Boji and more fashionable genes.From the early cooperation with the clothing design association and college, to the fashion Bazaar, the top Chinese clothing designer Wang Peiyi, pioneer designer MENG Huiting, etc. The new trend and other designer projects, the fashion layout of Boji and Pelliot Fashoin is committed to bringing Outdoor original products with innovative design, professional and trendy attributes to global consumers and Outdoor enthusiasts.

With the continuous enhancement of Chinese culture's extensive spread and influence globally, Chinese brands are gradually moving towards the center of the world stage.As the first Chinese Outdoor brand in London Fashion on Thursday, Boji and the use of international fashion stage to blow the wind of Chinese Outdoor innovation to the global market, not only letting global consumers see the professional design of Chinese Outdoor clothing, but also It is to let the world see the unstoppable fashion power of Chinese Outdoor brands represented by Boji and Chinese, so that the world can see the innovation and unique cultural connotation of Chinese brands.

Bo Xihe was founded in 2012. As an advocate and pioneer of the new and natural Outdoor lifestyle, in the past ten years, he has continued to continue writing Chinese -style Outdoor stories to achieve a milestone incident in the development of the industry.In August of this year, Boxihe received hundreds of millions of yuan B financing led by Qiming Venture Capital, becoming the largest -scale financing in the B -round stage of China's Outdoor industry.

At present, Bobei has the Performance 7 Summits Expeditions, China s largest world seven peaks. Exploration of the test significance; at the same time, comprehensively support the research and development of outdoor sports in Chinese universities, and reach strategic cooperation with colleges and universities such as Tsinghua University, Peking University and other universities, and become designated Outdoor equipment providers. The industry's first "Functional Materials R & D Teaching Practice Innovation Base".