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How to deal with the problem of discoloring clothes

How to deal with the problem of discoloring clothes

2026-08-22 10:02
1 answer

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Waste engine oil direct discoloring agent

The used engine oil could be treated directly with four kinds of reagents, namely the four kinds of reagents, the four kinds of reagents, the The color removal process was divided into two steps. The first step was to add Agent A to remove the non-carbon impurities in the oil, stir it evenly for 30 minutes, and then enter the splitter to separate the waste residue. The second step was to add Agent B and Agent C respectively to remove the visible and hidden colors in the waste engine oil, stir for about 20-25 minutes, then add Agent D, stir for about 5-10 minutes to remove the peroxide-based groups, polar groups, and half-colors in the oil. This kind of coloring agent could improve the stability of the coloring oil, so that the color could reach the national standard, and it would not change color after being stored for more than half a year. The main equipment was a mixing tank and a splitter. The equipment investment was about 300,000 to 400,000 yuan. The cost of each ton of coloring agent depends on the quality of the oil, and the price is about 80-100 yuan. Decolorization and regeneration of used engine oil was a key technology in the field of oil refining.

1 answer
2025-01-12 10:02

How to deal with a mange mite problem in a dog?

You should take your dog to the vet. They can prescribe the right medication and give you specific advice on how to treat it.

3 answers
2025-09-20 00:40

How to Deal with the Problem of Noise Pollution in the City?

Plant more trees. Trees can act as natural sound barriers, absorbing and deflecting noise. For example, in many urban parks, the presence of a lot of trees makes the area much quieter compared to the surrounding streets.

3 answers
2024-11-21 21:13

How to deal with the problem of burning up excess manga?

One option is to sell them at a garage sale or online marketplace. Another idea is to recycle them if they're in really bad condition.

2 answers
2025-04-01 08:49

How to deal with the problem of cyber bully in comic strips?

One way to handle cyber bully in comic strips is to show the negative consequences of such behavior and educate readers about kindness and respect.

2 answers
2025-04-02 11:42

Does a problem novel deal with many problems at once?

Yes. Problem novels are known for encompassing a variety of problems at the same time to create a rich and challenging narrative.

1 answer
2024-09-28 04:34

How to deal with a dog's mange skin problem?

To handle a dog's mange skin, consult a veterinarian promptly. They might recommend topical creams, oral medications, or maybe even a change in the dog's diet. It's important to follow the vet's advice precisely for a quick recovery.

1 answer
2025-06-14 12:58

How to deal with the color problem in the post-production of photography

There were many ways to deal with color problems in post-production: ** I. Color matching basis and direction ** 1. ** Based on aesthetic ability ** - Color adjustment could not be based on feeling alone, because the display was inaccurate and the feeling changed at any time. One had to have their own aesthetic standards and clear ideas before they could have a direction for color mixing. For example, he needed to look at more excellent color mixing works and analyze the color mixing ideas to establish aesthetics. 2. ** Clear purpose ** - If one did not have a clear purpose for toning, it was easy to get lost. For example, they might feel that the color adjustment effect was correct at that time, but after changing the monitor or after a while, they would feel that it was wrong. ** 2. Tools and Operation ** 1. **Camera Raw (Photoshop plug-in)** - In the post-production process of photography, when it came to exposure and toning, learning the Camera Raw could solve 80% of the problems. For example, when dealing with a photo with a signboard, light box, or a moving vehicle, you can reduce the exposure to highlight the light and other luminous objects, because raising the exposure will make the main body covered by the surrounding buildings and ground. If the picture is not transparent after lowering the exposure, you can increase the contrast appropriately and darken the middle gray to increase the contrast of the picture. He adjusted the color temperature to make it warmer, and the color tone to be green to reduce the natural saturation. You can also block colors other than the main color in the color splitter, such as retaining the three colors of red, orange, and yellow (when the main light box advertisement is composed of these three colors), adjust the hue of these three colors to make it more beautiful, unify the color of the picture and increase the saturation to make the main color more obvious, and increase the texture, clarity, and difference in the effect to make the picture more realistic, and fine-tune the dark part, highlight, and overall contrast in the curve. 2. ** Colors to choose (adjust the layer with Photoshop)** - It could be found in the color adjustment menu at the bottom of the layer panel. There were nine colors that could be adjusted. Black, white, and gray could be adjusted according to the highlights, shadows, and midtones of the image. For example, to make the red in the picture redder, move the cyan slide to the left (because red and cyan are opposites), or move the yellow and cyan slide to the right according to the color mixing formula (red = yellow + cyan). The black slide could adjust the brightness of the selected color. Moving it to the right would make the color richer and darker, and moving it to the left would make it fresher and brighter. This tool could be adjusted individually for a certain color in the picture, and was often used for fine carving of certain colors. 3. ** Color balance (adjust the layer with Photoshop)** - It could be found in the layer adjustment menu at the bottom of the layer panel. By adjusting the color balance, the color of the picture could be changed. 4. ** Hue Saturation (Photoshopped)** - Usually, he would click on the "gesture symbol" in the interface, move the pointer to the image, and change it into a straw tool to adjust the sample. 5. ** Antique style photos (Adobe lighthouse)** - In terms of saturation, he reduced the saturation to-10 to-20, and the brightness to-5 to 0, so that the color was light and not intense. - In terms of color separation, the highlight tones were adjusted to +5 to +15 to make it warmer, and the shadow tones were adjusted to-5 to 0 to make it colder. - You can also adjust the exposure (reduce it appropriately, such as-0.3 to-0.5), the contrast (increase it slightly, such as +5 to +10), add graininess (grain amount +5 to +10, size 5 to 10, coarseness 0 to +5), and slightly adjust the clarity (but not too high) to create a classic charm, delicate color tone, and nostalgic feeling. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

1 answer
2026-08-21 12:57

How to deal with the most effective way to deal with the yellowing of clothes after a long time

If the clothes turn yellow after a long time, you can try the following methods to deal with it: 1. Use rice washing water: soak the yellow clothes in rice washing water for half an hour, then rub them repeatedly, and finally rinse them with water. 2. Try the white vinegar plus soap method: Add an appropriate amount of vinegar to warm water, soak the yellow clothes in the water for about 1 hour, then wash them with soap, and finally rinse them with water. 3. Use orange peel: After boiling the water, add the orange and continue to cook for 5-10 minutes. Then cool the orange water, soak the yellow clothes in the water, wash them after a while, and finally rinse them with water. 4. Try the hot water plus lemon method: First, wash the yellowed clothes according to the normal laundry steps, then add lemon slices in hot water, soak the clothes for 10 minutes, wring them dry and dry them. You can try these methods, but please pay attention to the applicable conditions and precautions of each method.

1 answer
2024-12-23 12:51

How to deal with the reflection of the clothes when shooting videos

If the clothes reflect light when shooting the video, the following methods can be used: 1. ** Choose suitable clothes **: Try to avoid choosing light-colored clothes, especially bright colors such as white. These clothes are easy to reflect light and cause reflection. You can choose dark-colored clothes. 2. ** Change lighting conditions **: - ** Soft Light **: You can use some materials to turn a point light source into a surface light source to make the light more uniform and reduce the reflection. For example, bubble wrap, sulfuric acid paper, white paper, white cloth, and other semi-translucent white materials could be placed in front of the lamp. A layer of sulfuric acid paper could be added in front of the soft light box to enhance the softening effect. For glassware reflection, a large area of sulfuric acid paper or semi-translucent white cloth (such as white curtains placed half a meter in front of the lamp) could be used to reduce the reflection points. - ** Adjusting the lighting method **: Arrange a reasonable lighting for the shooting scene. For example, when shooting with a green screen, separate the light from the background. Evenly lighting the green screen helps to avoid excessive color overflow (reflected light); avoid direct light from shining on clothes that are easy to reflect light. - ** Avoiding Backlight Shooting **: Master the lighting and mode adjustment, and try to avoid shooting under backlighting. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

1 answer
2026-06-28 18:35
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