Tips for buying bedroom furniture
Everyone knows that the bedroom is for rest. In the bedroom decoration, the correct and reasonable choice of bedroom furniture can not only ensure a good sleep quality, but also reflect the owner's taste in life and make the mood happy. When choosing bedroom furniture, follow these principles:
1. The furniture is placed with the bed as the center, and the bedside table must have a certain storage function. At the same time, the bedside table can be placed with a lamp, alarm clock, mirror frame or vase, etc., so that the owner can easily get the items.
2. The ceiling design of the bedroom should be as high as possible, so as to make the bedroom more spacious, and the color of the bedroom must be unified and coordinated.
3. When choosing a bedroom bed, it is necessary to consider whether it is comfortable, but also to match the overall layout and style of the bedroom. Whether it is a wooden or iron headboard, it needs to be treated to connect it with the bed body.
The height of the bed is preferably about 45-55 cm. It is generally best to sit on the edge of the bed with your feet just touching the ground. If the height of the bed is too high, it will be inconvenient for people to get on and off the bed, and if it is too short, the bed will be easily damp, and it may increase the amount of ground dust inhaled during sleep.
4. Try not to choose a very soft mattress, it may feel soft and comfortable for a short time, but the lumbar spine will be affected after a long time.
When choosing a mattress, two criteria are guaranteed:
â‘ No matter what sleeping position the human body is in, the spine can be kept straight and stretched.
â‘¡The pressure is equal, people lying on the mattress can be fully relaxed, and the hardness of the mattress can be selected according to people's own preference.
CMC for Oil Drilling is also named PAC,poly anionic cellulose ether. PAC-HV, because of its high molecular weight, exhibits excellent non-Newton fluid property and can modify rheological property of slurries; PAV-LV, because of its low molecular weight, allows better water retention and is more resistant to salt and high temperature.
CMC can increase the viscosity of solution, it is is considered potentially harmless biologically to the human. therefore it can be used in the thickening, dispersion, emulsification, suspension and colloid protection of food, medicine, daily chemicals petroleum,papermaking, , textile and construction field.
For the drilling , well-digging of petroleum and natural gas
â‘ . The CMC slurry can form a filter cake on the wall of well to lower the water loss of well.
â‘¡ CMC can help slurry release the gas and dischaarge the broken matter
â‘¢ CMC can prolong the existing period of drilling fluid
â‘£ CMC drilling fluid is seldom infected by mould , the high PH value and antiseptic are unnecessary
⑤ CMC can be used as flush fluid to reduce the pollutation of soluble-salts
⑥ CMC slurry can work well in 150℃
PAC HV/LV
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