1. How to give the Dog sunscreen in summer

1. Choose a Dog to take a walk in a cool morning or evening to avoid hot sunlight.

2. If you must go out under the sun, you can use sunscreen products with waterproof SPF15 in parts with less hairs of Dogs, such as the abdomen and the inside of the ears, but it is best to ask the veterinarian sunscreen before using sunscreen products. It is more suitable, because some Dogs are allergic to certain ingredients of sunscreens.

3. If your Dog is kept outdoors, you must have a sunrise plate, and the Dogs should be placed in a shade place. It is best to use the white system that is not absorbed by white.

4. Carry a large beach sunshade when playing at the beach to provide the Shading place when the Dog is resting.

5. Do not leave the Dog in the car on the hot day. Even if the window has a small gap or you only get out of the car for 3 minutes, the car with small space under the sun is like a large oven. , So the Dogs staying in the car are easy to hot shock.

6. When you stay out of the room alone, the air -conditioning air conditioner in the home must be turned on. If there is no air -conditioning, remember to open the ventilation, it is best to turn on the electric fan when the weather is stuffy, because even if the air is not flowing in the room Dogs are stuffy.

7. Whether it is indoors or outdoors, drinking water for Dogs can be easily obtained at any time.

8. As for the Shading of the Dog's eyes for the Dog, it may only be allowed to wear or destroy the Dog for 10 seconds. Intersection

Second, the treatment of pet sunburn

1. aloe vera vera vera gels of aloe vera can help relieve sunburn, accelerate Skin recovery, and prevent concurrency infection.

2. Putting vitaminsE capsules are pierced and applied to the sunburn, which can accelerate the healing of the Skin.

3. Apply the moisturizing cream containingheut oil or coconut oil ingredients to the sunburn place, which can supplement Skin moisture and restore the water and oil balance of the affected area.

4. Put the witch purple extraction solution with cotton balls to apply the sunburn, which can effectively calm the Skin and cool down the epidermis without tingling.

1. Who invented the first Telescope in the world

In 1608, Hans Lippershey, Midelburg, the Netherlands, created the world's first Telescope.Once, the two children played with a few lenses in front of Li Poore's shop. They watched the trend in the distant church through the two lenses before and after, and they were highly high.Li Populia picked up two lenses and looked at it, and the turbines in the distance were enlarged a lot.Li Poor ran back to the store and put two lenses in a Tube. After many tests, Hans Lee Polm invented the Telescope.In 1608, he applied for a patent for the Telescope he made and followed the requirements of the authorities.It is said that dozens of Telescope glasses in the town claim that the Telescope has been invented, but it is generally believed that Hans Lipor is the inventor of the Telescope.

The news of the Telescope invented quickly spread in European countries. After the news of Italian scientist Galileo learned the news, it made one.The first Telescope can only enlarge the object by 3 times.One month later, the second Telescope he made can be enlarged by 8 times, and the third Telescope can be magnified to 20 times.In October 1609, he made a 30 -fold Telescope.Garri used a self -made Telescope to observe the night sky. For the first time, the surface of the moon was discovered, covering the mountains and the cracks of the crater.Since then, the four satellites of Jupiter and the sunspot movement of Jupiter have been discovered, and the conclusion of the sun is turning.

Second, astronomical Telescope isWho invented

Almost at the same time, German astronomer Capeller also began to study the Telescope. He proposed another astronomical Telescope in "Kither". This Telescope consists of two convex lenses. Unlike Galileo's Telescope, it is wider than Galileo's visual field.But Capeler did not create the Telescope he introduced.This kind of Telescope produced for the first time from 1613 to 1617. He also created a third convex mirror with a third convex mirror in accordance with the suggestion of Cairple.EssenceSaisa made 8 Telescopes and observed the sun one by one. No matter which one can see the same shape of the sun sunspots.Therefore, he dispelled many people who thought that sunspots might be the illusion caused by the dust on the lens, and proved that the sunspots were indeed observed.When observing the sun, Shanya was equipped with a special Shading glass, and Galileo did not add this protection device. As a result, he hurt his eyes and was almost blind.In order to reduce the color difference between the refraction Telescope in the Netherlands, the color difference between the refraction Telescope made a Telescope with a length of nearly 6 meters in 1665 to explore the halo of Saturn. Later, it made a nearly 41 -meter -long Telescope.

Third, who was invented by reflecting Telescope

In 1793, William Herschel, the system made a reflective Telescope with a diameter of 130 cm in the diameter and made of copper tin alloy, weighing 1 ton.

In 1845, the reflex Telescope made by William Parsons in Britain, with a diameter of 1.82 meters.

In 1917, Hooker Telescope was completed in Wilson Observatory, California, USA.Its main reflexive diameter is 100 inches.It was using this Telescope that Edwin Hubble discovered the amazing fact that the universe was expanding.

Fourth, who invented the refractive Telescope

In 1930, the German Bernhardschmidt will reflect the advantages of refraction Telescope and reflecting Telescope (the refractive Telescope image is small but the color difference and the larger the size, the more expensive the reflected Telescope, the low cost, and the reflex mirror can be made very large.But the existence) combined into the first reflection Telescope.

After the war, the reflective Telescope developed rapidly in astronomical observations. In 1950, a Hale reflecting Telescope was installed on the Paloma Mountain.

In 1969, a 6 -meter -diameter reflex mirror was installed on Mount Pastulfv in the former Soviet Union.

In 1990, NASA sent the Hubble Space Telescope into the track. However, due to the mirror fault, the Hubble Telescope did not fully play its role until 1993 that the astronauts completed the space repair and replaced the lens.Because it can not be disturbed by the atmosphere of the earth, the image clarity of the Hubble Telescope is 10 times that of the image of similar Telescopes on the earth.

In 1993, the United States built a "Kake Telescope" with a caliber of 10 meters on the Monakia Mountain in Hawaii. Its mirror was composed of 36 1.8 meters of reflectors.

In 2001, the European Southern Observatory in Chile developed the "Very Large Telescope" (VLT), which consists of 4 Telescopes with a diameter of 8 meters. Its conservation capacity is equivalent to a 16 -meter reflected Telescope.

On June 18, 2014, the top of Cerro Amazones, Chile, was used to place the world's largest power Telescope "European Grand Astronomy" (English abbreviation E-art).Salo Amazon is located in the Atacama Desert with an altitude of 3,000 meters.E-In the Eye of the world, the "largest sky in the world", is nearly 40 meters wide and weighs about 2,500 tons. Its brightness is 15 times higher than that of a long-distance mirror, and its clarity is 16 times that of the Hubble Telescope.The Telescope costs 879 million pounds (about 9.3 billion yuan), which is expected to be officially put into use in 2022.

A group of Telescopes that were under construction began to impact the white giant brothers on the Monakia Mountain.These new competitors include the 30 -meter -caliber "Thirty Meter Telescope (TMT), 20 -meter -caliber Giant Magellan Telescope (GMT) and a 100 -meter -caliber (GMT).Overwhelming Large Telescope, referred to as OWL).Their initiative pointed out that these new Telescope can not only provide space pictures like a photo of the Hubble Telescope, but also collect more light.There are more understanding and see the planets around the distant stars.

What kind of furnace is good for boiling tea in the stove?

1. charcoal stove

There are many choices for stoves. The most well -known of which are the small red mud stoves in Chaoshan. Japan is more famous for white mud stoves and wind furnaces.The mud furnace may be heated slowly, which requires patience. At this time, a person is in a daze, or a while with friends and relatives, eating fruits or snacks.It is best to use a pottery stove to boil tea in the furnace. Although the carbon does not have a bright fire when the barbecue is to cook tea, the temperature is still very high. The pottery itself is refractory material. It will not break at high temperature. It can also protect the desktop and other furniture.The shape of rough pottery material is simple and antique, which can also increase the sense of tea cooking.

2. electric ceramic furnace

If the charcoal stove is troublesome, or if the charcoal burns is not safe, you can consider using a pottery furnace. Although the atmosphere brought by the carbon fire is less, it is better than heating efficiency. It can be used indoors. Some models can adjust the temperature.The temperature of the electric ceramic furnace can be adjusted, automatic power off, and overheating protection.And relatively small size.

3. Alcohol

Is it good to cook tea in alcohol?Portable alcohol stoves use medical alcohol as fuel, so when burning, not only smoke, odorless, bright fire burning, safe and healthy, but also very environmentally friendly.Safe, smoke -free, and tasteless bright fire steaming tea and tea cooking are completely different from traditional methods such as induction cookers and electric pots.

Boil tea for the stove is better to use carbon or electricity

Cooking tea in winter, carbon furnace tea and electric ceramic furnace heat, there is no difference in height.I see this view from the Internet: Baked tea with a charcoal stove is more quaint and more high -level than ordinary electric ceramic furnaces.In fact, from an objective perspective, in modern life, electricity heating is more efficient and practical.Conversely, there are many limitations to heating with charcoal stoves.

1. Boil tea with a charcoal stove, the advantage is obvious.On the one hand, it is suitable for friends to meet friends, similar to Camping popular in summer, as long as the desktop is placed in place to take beautiful dinner pictures.On the other hand, it can also warm up the furnace, which is quite antique.However, although tea is good, there are many problems that need to be faced.For example, boiled tea to boil tea is slow, and if you want to successfully cook a pot of tea, it is very patient.For example, to endure the smell of charcoal burning, even if it is specially purchased to buy smoke -free charcoal, it will produce smoke smell more or less when burning.If it is indoors, it is necessary to ensure ventilation; if it is outdoors, considering the uncertainty of the heating of the light fire, you must avoid combustibles.

2. If it is said that the use of a charcoal stove to boil tea is better than the sense of atmosphere.Then, in modern life, it is more practical to cook tea with electric ceramic furnaces.

electric ceramic furnace, just heat up with electricity.Saves additional charcoal costs.Do not worry about the burning of charcoal, causing a series of troubles, such as the smell of smoke, the bottom of the black tea set, and even the color on the wall.At the same time, the efficiency will be heated with electric ceramic furnaces, which will greatly shorten the time of cooking a pot of tea.

What pot is used for boiling tea in the stove?

The choice of tea cooking appliances is mainly the difference between the tea kettle material. Different materials will not only affect the thermal insulation and thermal conductivity of the pot, but also affect the taste of tea.Tea cooking equipment can be used with glass or pots. It is best to use silver pots conditions. Do not use iron pots.

1. glass pot

Because the glass pot is transparent, we can see the condition in the Teapot at any time, know when you can invest in tea. After entering the tea, you can know if the tea is cooked by watching the color of the tea soup.

Therefore, for novices who have no experience in cooking tea, cooking tea with glass pot is the best choice.It should be noted that the glass pot heat dissipation is fast, so it is suitable for cooked and drinking.

2. Tao pot

If you are very sure about the amount of tea and the time of tea cooking, you can choose a pot pot.

The pot pot itself has adsorption effects, which can play a certain purification effect on water, making the tea mouth more Smooth, delicate at the entrance, and the taste of tea and tea.However, the speed of boiling water will be slightly slower.

3. Silver pot

Of course, if the conditions are better, it is also possible to cook tea with a silver pot.Cooking tea is the first choice of silver pots. The material of the silver pot is pure, and there are very few impurities. Boil water with a foot silver kettle, and the Teapot tea pot is pure, strong and long -lasting.

4, iron pot should not cook tea

It is just not to pay attention to cooking tea with iron pots, because tea polyphenols will have a chemical reaction with iron, affecting the taste of tea soup. When cooking tea, continuous high temperature will cause chemical reactions in the material in the tea and tea leaves.Soup color and taste.

What carbon do you use to cook tea in the furnace

During tea, charcoal is the most important role. Try to use less smoke or smoke without smoke, such as longan charcoal, Wulan charcoal or walnut charcoal.The charcoal made of litchi wood and longan wood has a faint fruit fragrance; the Chaoshan people love olive charcoal. Its heat is relatively stable and the most suitable for stewing with slow heat.Charm.

1. olive charcoal

It is one of the four treasures of Chaoshan Gongfu's tea.It is mainly used for small furnaces of red mud. Because the olive charcoal has a small size, it is not suitable for the furnaces with large holes, it is easy to fall, and it is easy to block the furnace. It is very charcoal, but the taste of tea is good.

2. walnut carbon

The advantages are flammable and no odor, and the firepower is also very good.It is very good for the small stoves on the table, and the cooked tea is also sweet.It's a little expensive.

3. fruit charcoal

fruit charcoal is also very easy to use, it is easy to ignite, and it has aroma.Because its production process is not as long as it is burned out of the kiln, the sound is not as crisp than the burning of the earth kiln, and it is also very easy to ignite.It is best to ignite outdoors.

4. Chrysanthemum charcoal

The high -quality hard birch wood is refined, and the water without smoke, roasted, and tea is also very sweet.Because there are chrysanthemums on the section, it is called chrysanthemum charcoal.And the quality is very stable. Generally speaking, such chrysanthemum charcoal is exported to Korea.But it is not cooked tea but for barbecue.

5. Wu Gang prepare long charcoal

The king of charcoal must first choose the old tree's birch wood to burn it. It is made of special crafts. It can become charcoal in 30-40 days, and its section is very beautiful, like silk, and the hardness is very high.The sound of knocking is like a steel.This kind of charcoal disadvantage is that it is not easy to get charcoal, and the ventilation around the stove is very good.The price is also very high.

6. Mechanical charcoal

The selection of mechanism charcoal is very miscellaneous, but they are all materials containing wood fibers.It is very environmentally friendly without smoke, easy to make, no odor, and the gray is also white, because the price is also very suitable, so people in the south are basically used it.It is also possible to burn indoors, but be sure to remember ventilation.

1. How much is a Conference table?

The Conference table is cheap and expensive. The materials, size, shape, technology, and brands of the Conference table will affect its price.

1. The price of the Conference table is less than 1,000 yuan

The Conference table at this price is generally relatively small in the conference room, and the number of people who accommodates is generally less than fifteen.In this price, there are still many conference tables for choice.A variety of materials such as plate, solid wood, steel, glass, and glass are available. A variety of shapes such as strip, ellipse, and U -shaped are generally selected at this price Conference table.

2. The price of the Conference table is between 2,000 and 5,000

Generally, the Conference table at this price is more suitable for small and medium -sized enterprises to meet, which can accommodate about twenty people. We commonly are the wooden Conference table, but it depends on the quality of wood. GenerallyMore expensive.

3. The price of the Conference table is more than 10,000 or more

The Conference table of more than 10,000 yuan is the Conference table for the large conference room.The number of accommodation is also more.If you want to customize the relatively large Conference table price, you may also cost tens of thousands of yuan. This Conference table is still more elegant and high -level.

2. What is the price of a solid wood Conference table

The solid wood Conference table is made of solid wood. The price of solid wood conference tables fluctuates very much, which is mainly related to the specific types of solid wood.For example, the more precious woods in solid wood include: water -free willow, begonia wood, mahogany, golden silk nanmu, peach core wood, cherry wood, etc. The price of these valuable solid wood conference tables is very expensive, generally a few thousand yuanEven tens of thousands of yuan, general companies do not choose.If a Conference table made of pine wood, the price of this solid wood Conference table is quite cheap, and the price is generally about hundreds of yuan to 1,000 yuan.

LED lightThe life of the cannon can be up to 100,000 hours, and the service life of the usage can even exceed the life of people under normal use.In addition to having a long -term service life, LEDs have the advantage of power saving.General LED headlights can provide continuous lighting of tens of hours or even more than one hundred hours. Compared with the incandescent lighting area, it looks like a long light.The super -power -saving and shiny LED brand products are favored by many Outdoor enthusiasts.

Advantages of LED lights

1. The design of the LED light is a secondary optical design form. We shoot the light of the LED light into the area where the light is needed to make the lighting efficiency higher. Therefore, in many places, we are willing to choose the LED light.

2. The light decay of LED lights is very small and the service life is very long. After 10 years of use, it still has high use value. They are less than 3%in the process of continuous use of one year.

3. The light -emitting diode of the LED light is a low -voltage device, which is safe to use voltage, especially in public places.

4. The use period of LED lights is very long, and it can use more than 50,000 hours.

5. The light source of the LED light is unidirectional, and there will be no reflexes, which can ensure the efficiency of light.

The disadvantages of LED lights

No matter how perfect the lamps will have their own shortcomings, the same is true of LED lights, and their disadvantages are the following:

1. Although the light decay of LED lights is low, this is basically a high -power LED light, and the light decay of small -power LED lights is still relatively large.

2. The light color of the LED lamp is white light. Due to the individual defects in the manufacturing process and the coordination error of the lens, it is easy to form a yellow circle when used, which will affect the effect of the lamp.

3. The price is expensive, because of cost, the price is high.