On April 1, 2024, the GB/T 43007-2023 was officially implemented in "Mattress Hardness Level Test and Evaluation Method". This is a country aimed at providing consumers with more accurate and scientific Mattress hardness evaluation standardsRecommended standards specifies the instrument, equipment, test conditions, test steps, and test reporting requirements of the Mattress hardness level test.

This standard stipulates that during the testing process, a series of professional equipment such as testing platforms, mobile brackets, and mechanical testing devices must be used to ensure the accuracy and reliability of the test results.At the same time, the standard also clarifies the specific conditions of Mattress sample pre -processing and testing, such as temperature and humidity to eliminate the impact of environmental factors on test results.

In terms of testing steps, the standard divides the Mattress into five areas in the length direction, and the hardness level test is performed separately.This method not only considers the overall hardness of the Mattress, but also pays attention to the hardness distribution of different areas, and it is more in line with the principles of ergonomics.

After the test is completed, the test report will record the hardness Levels of each test point and the overall hardness level evaluation of each test point to provide consumers with comprehensive and objective Mattress hardness information.

[Driving glasses] What are the effects and principles of driving lens?

The role and principle of driving mirror

Driving lens (also known as driving glasses, driver glasses) is a kind of Sunglasses, a kind of glasses used by polarizing Sunglasses and suitable for driving (driver).

The role of driving mirror

During the driving process, there are various reflex light and glares from different objects (such as glare and glare of the car) from different objects. The polarizer can filter out unnecessary light, make the sight more clear, drive safer, and 100 can be 100.%Block harmful light.Gray or dark green lenses can maintain the most natural original colors when visually, which is a good choice.

Driving mirror material

Levels: Polarized lenses meet relevant standards. If UV prevention should be above 99%, it is not easy to break.

Frames: aluminum -magnesium alloy, pure titanium, etc.

Principles of driving mirror

Driving glasses are designed according to the principle of precision optical principles based on the angle of the lens polarization and arc, which only allows light to pass the light of the polarization direction, while other strong light sources (such as the sun, water, glass, and aspirational road)Foreign light interference, avoid flowers, dazzling, dazzling and other phenomena, making the sight clearer and softer.

Replenish:

Commonly used methods to distinguish glasses: you can put Sunglasses in front of your eyes, observe the distant targets through lenses, such as window frames or door frames, and then move the glasses up, down and back, the target should not be swinged and wavy deformation.

Why wear a driving mirror: Natural light (non -polarized aurora) is actually composed of electromagnetic waves that will vibrate in a specific direction, and light that is reflected or scattered usually prefers a specific direction.Because the roof or pool reflects the sunlight; after the natural light is filtered by the polarized lens, it can only be passed by the light in the direction. That is to say, the polarized lens can first be polarized by the light, and only the light in one direction passes through the direction.(Viewed) Polarized driving mirror is to use this feature to block harmful light, because the sunlight will cause harmful glare if it is touched by any object, and the polarized driving mirror can completely absorb these will cause dazzling and dazzling and dazzling andThe strong light of the eyes is damaged, and the driver of the driver's vehicle often encounters the strong light of the car lights coming on the face, causing the vision to be unclear. If wearing a driver's mirror, it can eliminate unclear vision caused by strong light.

Misunderstanding: Driving the mirror at Night

The so -called night driving mirror is just a colored polarized lens with light increase.Since it is a non -ferrous lens, the light will weaken.Due to the dark light at night, when wearing a colorful lens, it will reduce the visual clarity and affect the judgment.Of course, when you meet the car, wearing a driving mirror can eliminate the vision caused by the strong light of the opposite side light. However, from a medical perspective, it is not recommended to wear it for a long time, or you can wear it in the urban area. Try not to wear it as much as possible.Driving the mirror at night can not only be worn at night (in the evening). It can be worn when the light and other Lights such as rainy days, fog and sky are relatively dim. It can effectively eliminate the vehicle headlights to produce glare, increase color saturation, and have the function of lighting, so that driving is madeThose who have a clear field of vision and more accurately understand the road conditions.

What are the misunderstandings of driving glasses?

Misunderstanding 1: The darker the color, the better

Many people take it for granted that the deeper the color, the better the ultraviolet function.In fact, the function of Sunglasses filtering ultraviolet rays is only related to the plated membrane, and the color is not deeper, the better.Especially for the long -distance driver, if the Sunglasses we wear are too darker, the eyes are more prone to fatigue, and it is more dangerous to enter the tunnel and other Lights from strong sunlight.

Misunderstanding 2: Polarized lens is the most suitable

Many drivers like to wear polarizers. Indeed, polarizing mirrors can weaken strong light, eliminate glare, and make the sight naturally soft, but in fact, polarizer is more suitable for large -scale reflective environments such as fishing and skiing.The scene with darker light, polarizing mirror is easy to make people suddenly dark.In addition, polarizing mirrors can make LCD screens,ledThe color of the red and green Lights fade.Therefore, when choosing a Polarized mirror, it is best to choose a good quality optical lens. When crossing the tunnel, it is best to remove the glasses in advance and blink more.

Misunderstanding 3: Do not wear myopia mirrors

Some drivers are slightly myopia, and they usually don't wear myopia mirrors when they are driving.But once you put on Sunglasses, the problem comes: the eyes are more prone to fatigue, the vision will decrease, just as it will be affected by driving vision at night.Therefore, the driver of slight myopia usually has no problem with driving. If you want to wear Sunglasses, you must be equipped with a lens with myopia.

Misunderstanding 4: Sunglasses color is too fancy

Fashionable young people will have a variety of colors of Sunglasses. It is not false, but it is not suitable for use when driving. For example, pink and purple lenses will change color and spectrum.In fact, Sunglasses are best used in gray lenses because the basic chromatography will not be changed.Followed by dark green.Camellia and yellow lenses have the effect of improving brightness, which is more suitable for foggy, dust and other environments.

Where is the production of Hua's bait

Shandong Hua's bait Co., Ltd. is a production and sales enterprise professional manufacturing fishing supplies.The address is located in Baishabu Town, Lanhan District, Linyi City, Shandong Province.

How about Hua's bait

Shandong Hua's bait Co., Ltd. is a specialized, modern, and group -based enterprise that integrates bait, fishing tackle, and outdoor products.2003 In the year, it not only had a very high share in the bait market, but also one of the leaders of the Chinese bait industry. 4# Cotton 6# Cats, no Air Force, etc.

There is a type of bait in Hua's bait,4# Cotton 6# Was, no air troops, large plates, twenty one As well as 3 1 , A nest crazy, algae elements, etc.

1 A taste of flavors: The flavor is a classic bait of Hua's. It mainly includes two flavors of incense and fishy. It is characterized by good broad -spectrum, stable status, strong fish attracting fish, and long -lasting fish.Most freshwater fish such as grass, green, , Luo Fei.

2 Big board: Big plate is a classic bait of Hua's, which is characterized by strong fish attracting the ability to seduce fish, stable status, good taste, and can be pulled. The flavor belongs to the natural grainFishing or pond fishing can be used as the main bait of big catfish.

3 In the Air Force: The Buki Army is a classic bait of Hua's, which is made of snail meat, Antarctic shrimp, and sand silkworms.Killing cats, carp, green,, , Luo Fei, etc.

3 As well as 4 Tale: 4 Names is a classic bait of Hua's. It is refined with Antarctic shrimp, seafood extracts with plant protein, and bran. The flavor belongs to the fishy fragrance.fishing is very good.

5 As well as 6 Tale: 6 Noda is a classic bait of Hua's. It is refined with Antarctic shrimp and seafood extracts with a variety of seductive agents. The flavor is thick. It is characterized by fast fishing speed, stable state and long -lasting. It is especially suitable for wild fishing.Use when big catfish. Hua's Fishing gear product Daquan & gt; & gt;

How to match Outdoor clothing in different occasions

1. climbing

1. Matching skills

It is essential to have windproof, rainproof, breathable sweat -proof jacket.There is generally a jacket with a good warm -keeping performance in it. If you feel that the jacket is too stiff, you can choose a soft fleece top.There are generally two zippers on professional outdoor sports pants to meet the needs of various climatic conditions.There is also a vertical zipper in the trousers. You can easily take off the extra trousers without taking off the mountaineering boots.

2, match example

(1) Yellow charge, black jacket, dark blue Backpack Outdoor Backpack, brown printed T -shirt, gray camouflage outdoor sports pants, gray waist bag, gray -yellow double -colored mountaineering shoes, yellow goggles.

(2) Blue assault jacket, brown Climbing shoes, gray sunshade gray jackets, orange plaid shirts, khaki outdoor sports pants, lemon -colored Outdoor travel Bags.

Second, walking

1. Matching skills

Hiking and endurance Running need to be equipped with motion jackets with lightweight and breathable. To cope with different weather conditions, you can take off your jacket when you feel hot. This is necessary to equip a shirt with anti -ultraviolet function. At least long -sleeved shirts are also long -sleeved shirts.To resist the direct sunlight.There must always be a double comfortable and flexible sneakers in the wading of the Linlin, and then a hat that can sunscreen and prevent the little worm from falling into the neck is very successful.

2, match example

(1) Black jackets, gray Polo shirts, yellow printed T -shirts, khaki outdoor sports pants, lemon yellow backpacks, gray Hiking sports shoes.

(2) Blue jackets, gray shirts, black -gray amphibious sports shoes, black outdoor sports pants, black sun hat, gray pocket.

Three, go to sea

1. Matching skills

It is not any luxurious exercise to take a sailing or yacht to go to sea. The sun is beaches and close to the ocean, which is the first choice for vacation.navigation jackets have the function of windproof and waterproof, and a light and light windbreaker with water -proof waterproof can also be kept warm.POLO shirt, beach shorts and sailing shoes are the golden combination of going out to sea. Red, white and blue are always the basic color of the navigation look. Whether stripes or grids or prints, as long as these three colors are based on the key, you can accurately capture the theme of the navigation theme.The essence of.

2, match example

(1) Yellow or brown jackets, khaki shorts, gray POLO shirts, brown frame goggles, blue belts, white casual shoes.

(2) White jacket, red and blue two -color checkered shirt, blue printed shorts, red and blue two -color casual shoes, black travel Bags.

Fourth, outing

1. Matching skills

The outing is either going to climb the mountain nor to go to the sea, or it is designed for people who are dedicated to scattered in the suburbs.Generally, the suburbs are lower than the temperature in the city, and the temperature difference between morning and evening will be relatively obvious.Therefore, preparing a leather jacket or a coarse sweater is very practical. The clothes inside can be increased or decreased according to the local situation.The combination of rough pants and leather boots can also cope with various harsh environments.

2, match example

(1) Earth yellow flip leather jacket, brown woven Belt, brown leather boots white jacket, blue plaid shirt, blue jeans, brown Backpack.

(2) Light blue cardigan sweater, beige linen shirt, pink jeans, brown belts, blue knitted vests, khaki canvas shoes.

Principles of Outdoor clothing matching

1. Principles of Outdoor dressing in winter

Outdoor dressing from the inside to the outside in winter is a sweat layer, keeping warm, and windproof.Generally speaking, the sweating layer is sweaty underwear or fast -drying T -shirt. The warm layer is a velvet jacket, and the windproof layer is a jacket or down jacket.The rational matching of the three -layer can meet the vast majority of outdoor activities.In recent years, some jackets with new cotton are also a good choice. At the same time, it has the characteristics of warmth and windproof. You can wear more clothes.

2. Follow the time to match the clothing

The three -layer dressing principle is the most basic principle of outdoor sports dressing in winter. In addition, clothing should be added in a timely manner according to the actual situation.If it is a long Hiking crossing, a down jacket is needed.During the traversal, due to sweating, the body's exercise heat may not feel cold. At this time, do not wear down jackets first. When you rest on the way or camp, you can put the down jacket.Disposal.

3. Match clothing according to different ages

Different ages go outdoors, and they are slightly different in clothing selection.When the elderly do outdoor sports, the dress must be kept in warmth. Wear as many layers as much as possible. Multi -layer clothes have stronger insulation capacity than single -layer clothes. When you feel hot in exercise, you can take off a few layers of clothes.EssenceIf you don't want to wear a multi -layer, you can choose a fleece with two sets of pundas or windproof cotton jackets.Try not to wear sweaters and down jackets for outdoor sports, because the sweater is not easy to dry when it is in water and the weight is very heavy, but the down jacket is warm but not breathable.

Disclaimer: The above method stems from the index of the program system or the sharing of netizens. It is for your reference only and does not represent the research perspective of this website. It proves that it is valid. Please pay attention to the authenticity and authority of the source of the content of the content.Apply to delete & gt; & gt; error correction & gt; & gt;

[car navigation instrument] What are the factors of the vehicle navigator function?

The car navigator can be said to be portable navigation of large screen.The high -definition screen allows the owner to enjoy the visual impact during his free time, and the upgraded sound quality effect makes the owner fascinated.If you have a car, the preferred entertainment facility on the car is the car navigator.With the rapid development of my country's automobile industry, the sales of automobiles have been increasing, which brings a great development opportunity for the automotive electronics industry.The car navigator combining navigation and entertainment functions has become the first choice for many car owners.

The market conditions of the car navigation instrument are hot, and many businesses have also watched the business opportunities, and the car navigator of various brands came into being.Among the many products, I have summarized a few personal experience here for everyone.

car navigator function

navigation is the cornerstone of the vehicle navigator function. All other functions can be said to be attached to navigation.So how can we distinguish the quality of navigation functions?

First, check the map used in navigation, and the accuracy of the map determines the accuracy of the navigation function.

Second, the reaction speed of the GPS satellite. During the navigation process, the number of satellites displayed by the vehicle navigator is the display of the signal. The speed of the GPS reaction determines the time required for the owner to plan the route and adjust the route in the navigation.

Third, when the owner uses the navigation process, at each forkkin, each turning point, the accuracy and early performance of the voice broadcast will help the owner in a timely manner.Fourth, in the process of navigation, some intersections will show real maps. See whether real maps are consistent with real road conditions.

car navigation instrument music sound quality

As a person with a car family, there is no music on the car like a glass of boiled water, which is calm and tasteless.Traditional broadcasts and slightly rough music make car owners very useful. Now, traditional equipment can no longer satisfy people's love for music on the car, coupled with the full -scale audio speaker settings of car student manufacturers, people are pursuing high high.Quality music has been raised to a new height again.Therefore, in the car navigator, various styles of music settings are endless, powerful bass effects, and shocking penetration. This sound setting makes your journey full of energy.

Other functions of the car navigator

The function of the car navigator is still many.For example, Bluetooth, car digital TV, video player, USB interface, etc. In general, these functions are similar in products on the market, which may be that the resolution of the video player is somewhat different, but as a car owner, the eyes are the eyes are the eyes are the eyes are the eyes are the eyes are the eyes are the eyes are the eyes are the eyes are the eyes.The most important thing is that in the process of driving, Ken Ben would not have a hard time watching the video.

Edit Conclusion: The current stage of the car navigator is navigation plus entertainment function. The navigation function is constantly improving, and the accuracy can always have misunderstandings. That is because the country's road construction is too fast.The entertainment function is gradually improving.In the future, the car navigator will definitely develop another function, that is, the integration of other product functions. Personally, it is believed that that may be the function of the radar speed meter, and its powerful entertainment function will also see the computer in the future.