making a net in a printing factory is the most harmful to your health. In addition, there are pulp houses, stinky water that is often used in machine printing, and Tianna water is also harmful to your health! Therefore, factories must provide safety measures for workers.

there are many ways to print patterns on fabrics with dyes or paints,

but the main methods are as follows.

one of the direct

printing methods. Direct printing is the method of directly printing flower-shaped patterns of various colors on fabrics, which is the simplest and most common of several printing methods. In the printing process, the color pastes of various colors do not hinder and destroy. About 8%-9% of printed fabrics use this method. This method can print patterns of white flowers and ground flowers. According to different pattern requirements, it can be divided into three types: white ground, full ground and colored ground: the printed pattern area of white ground is small, and the area of white ground is large; The printed pattern area on the ground is large, and most of the fabric area is printed with patterns; Direct printing of colored ground refers to dyeing the ground color first, and then printing the pattern, which is commonly called "overprinting". However, due to overlapping colors, similar colors or shallow deep flowers are generally used, otherwise the colors at overlapping colors will fade.

discharge dyeing

on the dyed fabric, printing slurry containing reducing agent or oxidizing agent will destroy its ground color and expose white ground or colored patterns locally. The fabric dyed with ground color is printed with a paddle containing chemicals that can destroy the ground color. Such chemicals are called discharge agents. Dyes that are resistant to chemicals are also added to the discharge paddle. This discharge printing can get two effects, namely white discharge and color discharge.

Anti-dyeing

A printing process in which printed color paste is printed on the fabric to prevent dyeing or color development of ground color dyes, and then dyed to obtain ground color cloth. The substance that prevents dyeing in printing paste is called resist agent. White pattern printed with printing paste containing resist agent is called anti-white printing; Dye-proof printing is called color-proof printing when dyes or pigments that are not influenced by resist agent are added to the dye-proof printing paste to print color patterns. First, resist agent is printed on the fabric, and then the ground color is pad-dyed, where the pattern is printed, the ground color can be prevented from dyeing. This method is called dye-proof printing, and three effects can be obtained by this method, namely, white-proof, color-proof and partial dye-proof. Is Impatiens Harmful to Human Body < P > It is harmless and has medicinal value.

Impatiens balsamina seeds are also called impatience, and stems are also called speranskia tuberculata, which can be used as medicine, and have the effects of promoting blood circulation, removing blood stasis, diuresis and detoxification, dredging channels and penetrating bones. Fresh grass can be pounded and applied externally to treat sores, boils, swelling and pain, and poisonous insect bites. Seeds are antidotes, which have the effects of dredging menstruation, inducing labor, eliminating phlegm and resolving food stagnation, and are not suitable for pregnant women. The whole grass is pounded with juice for external use to treat traumatic injury. After the petals are pounded, nails can be dyed, and onychomycosis can be cured after several times of nail dyeing. The seeds contain glycosides, fatty oils, sterols, polysaccharides, protein, amino acids and volatile oil. Cultivated in northern and southern provinces of China; Is bathing in plastic basin harmful to human body?

Look at the plastic. Generally, the qualified products approved by the state on the market will only cause you too comfortable to take a bath and die.

remember to adopt NB mask. will it be harmful to human body?

NB mask is unlikely to be harmful to human body. will milk be harmful to human body?

Nothing is absolute.

It is generally acknowledged that drinking milk before going to bed will help you sleep. It is very effective.

However, we should pay attention to the amount and limit it, because drinking too much milk is bad for your health.

In addition, milk, like other good foods, is not suitable for people of any physique. The key is how long to drink it before going to bed! It is best to drink it 45 minutes to 1 hour before going to bed. ... so it is more beneficial to the sleep of the elderly, so drinking milk at night is good for people's rest and sleep. Drinking milk before going to bed is beneficial to the body's calcium ... Milk contains all the nutrients necessary for human growth and metabolism, and it is also a completely nutritious food that is most beneficial to the body's digestion and absorption. Protein, fat and lactose, the three elements needed by human body, are all included in milk and the structure distribution is reasonable. Milk is almost the best nutrition in life, but if it is not drunk properly, it will lead to the loss of nutrients, resulting in unnecessary losses and waste. So, how to drink milk is the best?

1. Don't drink milk on an empty stomach

Experts believe that milk and eggs are the best combination for breakfast, but some people only drink milk and don't eat other foods, which is wrong. Drinking milk on an empty stomach in the morning has many disadvantages. Because it is on an empty stomach, the milk can't be fully hydrolyzed, which will soon turn protein in nutrients into energy consumption, and the nutrients can't be well digested and absorbed. Therefore, it is best to eat something before drinking milk, or drink it while eating food, so as to reduce the lactose concentration and facilitate the absorption of nutrients.

Second, avoid drinking with tea

Some people like to drink tea while drinking milk, which is more common in southerners than in northerners. In fact, this is an unscientific diet, because milk is rich in calcium ions, and tannic acid in tea will hinder the absorption of calcium ions in the gastrointestinal tract and weaken the inherent nutrients of milk itself.

Third, it is not advisable to use high-temperature boiling water at 1℃ for making milk, let alone to cook it in an electric cup. The water temperature should be controlled at 4℃-5℃.

protein in milk will change from sol state to gel state under the action of high temperature, which will lead to the appearance of sediments and decrease its nutritional value.

Fourth, it is not appropriate to use copper for heating

Copper is not widely used in tableware, but there are some middle and high-end tableware such as copper hot pot, copper heating cup and so on. Copper can accelerate the destruction of vitamin C, especially in the heating process, copper can catalyze the chemical reaction in milk, which will accelerate the loss of nutrients.

5. Avoid sunlight

Vitamin B and vitamin C in fresh milk will disappear quickly when exposed to sunlight, even if the weak sunlight lasts for more than 6 hours, the vitamin B will be reduced by half. Therefore, it is best to store milk in colored or opaque containers and store it in a cool place.

6. Don't freeze

In hot summer, people like to eat popsicles, and some people make their own food with frozen milk. In fact, it is unscientific to eat frozen milk. After freezing, the fat and protein in milk are separated, the taste is obviously weakened, and the nutrients are not easily absorbed.

VII. The best time to drink milk

The heat supply of breakfast accounts for 25%-3% of the total heat demand, so it is better to drink a glass of milk with eggs or bread for breakfast; You can also drink it as a drink before dinner at around 4 pm; Besides, drinking a glass of milk before going to bed at night is helpful to sleep, and it is best to drink it with a few biscuits.

8. Drink no more than 5ml of milk every day. If you drink too much milk, you may be at risk of diabetes. Drinking a glass of milk before going to bed at night can help you sleep and protect your stomach. Personally, I like to drink yogurt. Yogurt contains lactic acid bacteria, which helps digestion. < P > Will dyeing hair be harmful to human body?

Of course, it's harmful. The doctor suggests that you can't dye your hair more than twice a year. Even so, it doesn't mean that twice a year will be fine, just that the consequences are not so serious.

I dyed it once, and a lot of red peas immediately grew on my face. I couldn't get it off, and I regretted it.

firstly, oxidant is an important part of hair dye, which is extremely destructive to hair keratin and easy to cause damage to hair. Frequent use makes hair dull, brittle, split and easy to fall off.

Secondly, most permanent hair dyes use aniline dye intermediates, and their toxicity and toxicity are higher among cosmetic raw materials. No wonder some people have allergies, even dizziness, nausea and other symptoms when dyeing their hair.

Thirdly, the hair dye consists of two components. When it is used, it is first mixed and then applied to the hair. I don't know that a chemical reaction occurs at the instant of mixing, which produces a high concentration of harmful gas-dioxin. Dioxin is a strong carcinogen recognized by WHO. It enters the body through the respiratory tract and remains in the muscle for a long time, which is difficult to decompose, interfering with human endocrine, estrogen and thyroid hormone. Long-term exposure will lead to genetic variation and deformity of human body and induce cancer and other diseases. Therefore, it is scientifically reasonable for pregnant and pregnant women not to dye their hair.

if you have it, you should prevent it. How can we stay away from these hazards to the maximum extent? First, consumers should try to choose hairdressing salons with good ventilation environment; Second, when buying hair dye products, you should buy products from well-known regular manufacturers, and check whether the products have the product name, ingredients, instructions for use, production date, expiration date, net content, place of origin, name of production unit, address, telephone number, etc. marked in standardized Chinese characters. Some products with trademarks such as Guangming (Beijing), zhanghua (Zhejiang), Biaomei (Guangzhou), Shuerfa (Shanghai) and Hyundai (Shunde) are all products that have passed the random inspection by AQSIQ and are recommended for use. Third, the key to deep care after dyeing hair is baking oil. Shampoo only washes hair and protects the cleanliness and health of the head panel; The conditioner can provide daily nourishment and moisturize the hair; And often baking oil can make the hair get deep nourishment and care. It is best to do it once a week.

The harm of hair dyeing mainly includes the following aspects:

1. Panel allergic reaction is the most common adverse reaction of hair dyeing. Some people may not have allergic reactions at the initial stage of dyeing their hair, but they may have allergic reactions after dyeing their hair several times. The longer it takes, the higher the chance of allergic reactions.

2. Causes changes in hair quality. The dyeing process will affect the water imbalance in the hair, and the degeneration and reduction of a large number of protein. As a result, the hair becomes brittle, the fiber breaks and the natural beauty of softness, toughness and luster is lost. The more times you dye your hair, the more serious the damage is.

3. Causes hair to fall off. Acute and chronic * * * of hair dye will cause inflammatory reaction of scalp and hair follicle, and for a long time, it will cause hair follicle to shrink, and hair will become thinner from coarse to fine, and finally fall off.

4. Absorbing toxic substances damages liver and kidney function. It is more common in metal hair dyes and some synthetic organic hair dyes, such as lead acetate and silver nitrate, benzene, naphthalene and phenols.

To prevent the potential harm of hair dyeing, we should pay attention to the following points: 1. Minimize the number of hair dyeing. 2. Choose a good hair dye. 3. Don't apply hair dye to the panel when dyeing hair. In order to prevent it from being applied to the panel, you should first apply a layer of vaseline to the panel for protection. 4. Don't dye your hair when the scalp is inflamed and damaged. Damaged panels can increase the absorption of hair dye. For people with special physique, no matter how safe the hair dye is, it may be potentially harmful to him or her, so it is necessary to check his or her health regularly. Will mosquito-repellent incense be harmful to human body?

obviously, it is better to hang a mosquito net. Original ecology and environmental protection. Safety, hygiene, whether the PVC bathroom cabinet is harmful to human body

The PVC bathroom cabinet is made of materials such as polyvinyl chloride (PVC) and adopts high-density double-skinning process PVC plate, which has strong waterproof efficiency and high hardness. Adopt brand hinge and paint track. Scratch-proof, high density and durable. Various styles and novel design.

PVC bathroom cabinets are easy to clean, and the materials are light, practical and convenient. Moreover, there are many styles of PVC, which are relatively resistant to moisture, but attention should be paid to anti-corrosion, and the practical life is relatively long, which is quite good. Good quality PVC bathroom cabinets will not have formaldehyde. Will the microwave oven be harmful to human body?

It will have an impact. Don't get too close when you turn things. It will radiate. It's bad for people. Will surfing the Internet every day be harmful to people?

of course. . First of all, sitting for a long time is very bad for your health, not to mention facing the computer, which is also very harmful to your eyesight and panel.

If you go to work, you can wear sunscreen or something, drink more green tea and wash your face, so that you can leave the computer for a while and walk around while making tea and washing your face.

Put a cactus beside the computer to absorb radiation.