Anti-theft door knob is locked. Can a thief open it

  Security door is an important part of family security, which can effectively prevent external invasion. Many security doors are equipped with knob locking device, which can make the door safer. However, can the knob lock really stop thieves?understand creator knob In order to better serve customers and reflect the core competitiveness of products. https://www.azilian.co

  

  First of all, we need to understand the working principle of knob lock. The knob lock of the security door is to retract the lock tongue into the door through the mechanical structure, thus locking the door. This process requires some strength and skill. For ordinary people, it is not an easy task to open this kind of security door. Even a thief needs to spend some time and energy to open the knob and lock the security door.

  

  However, in some cases, it is still possible for a thief to open the knob and lock the security door. For example, if thieves have mastered the relevant technical knowledge, they can open the door lock by destroying the structure of the security door or using some special tools. In addition, if thieves have enough power and tools, they may break into houses by force.

  

  Therefore, in addition to the knob locking device, we need to take other measures to improve family safety. First of all, security nets and monitoring equipment can be installed to detect and stop intruders in time. Secondly, it is necessary to regularly check whether the doors and windows are intact and repair any potential safety hazards in time. In addition, family members and visitors should be educated about the common sense of family safety, reminding them not to trust strangers easily and avoid giving criminals an opportunity.

  

  In addition to the above measures, we can also take some technical measures to enhance family safety. For example, using devices such as smart locks and smart doorbells, these devices can monitor the state of door locks in real time through networking and send out alarm signals. In addition, some smart home systems can also cooperate with other security service providers to provide more comprehensive and personalized security.

  

  In a word, the anti-theft door with knob can increase family safety to a certain extent, but it is still possible for thieves to open it. Therefore, in addition to the knob locking device, we need to take other measures to improve family safety. Through reasonable prevention and timely response, we can jointly create a safe and harmonious living environment.

  

  Finally, it needs to be emphasized that improving family safety requires the joint efforts of the whole society. Governments, enterprises, social organizations and individuals should pay attention to family safety, strengthen publicity and education, and raise public awareness of safety. Only when everyone works together in Qi Xin can we build a safe and beautiful home together.

Material Metabolism and Regulation

  Focus on glycolysis, aerobic oxidation of sugar, pentose phosphate bypass, gluconeogenesis, synthesis of ketone bodies, cholesterol and phospholipids, respiratory chain, oxidative phosphorylation, special amino acid metabolites, one carbon unit metabolism, purine and pyrimidine nucleotide synthesis raw materials and catabolites, and substance metabolism.By comparison, it can be seen that small molecules It has certain advantages and great cost performance. https://www.all-chemistry.com/

  

  The chapter on sugar metabolism is the focus of the exam, so we should master it comprehensively. The chemical reaction formula of sugar metabolism is complicated, and the focus of the annual examination is basically on the reaction site, key enzymes and regulation, energy production and the relationship between important substances. Glycolysis, gluconeogenesis and aerobic oxidation of sugar are all contents that must be familiar with. The synthesis of ketone bodies and cholesterol in lipid metabolism, pay attention to the difference between them. Ketones are synthesized in the liver and utilized outside the liver, while fats are synthesized in the liver and stored outside the liver. Fat synthesis, ketone body synthesis and cholesterol synthesis are the raw materials of acetyl-CoA synthesis. Synthesis and decomposition of fatty acid, the main material of fatty acid synthesis is acetyl CoA; Under the condition of sufficient oxygen supply, fatty acid is decomposed into CO2 and water in the body, releasing a lot of energy, which is the main form of fatty acid catabolism in the body. Phospholipid synthesis. Differentiation of several blood lipids.

  

  Composition of respiratory chain and influencing factors of oxidative phosphorylation. Urea synthesis-ornithine cycle. One carbon unit’s metabolism is often tested, but it is easy to remember as long as you grasp the core content. It comes from one carbon unit-Sisegan, and is transported by one carbon unit-tetrahydrofolate. One carbon unit plays an important role in nucleic acid biosynthesis as a raw material for purine and pyrimidine synthesis, connecting amino acids and nucleotides. Comparison of nucleotide synthesis and decomposition between purine and pyrimidine. The changes in this year’s syllabus are: the deamination of amino acids (oxidative deamination, transamination and combined deamination) is changed to the general metabolism of amino acids (degradation of protein in vivo, oxidative deamination, transamination and combined deamination), which should be reviewed.

ACNH Summer Update 2024 New Releases for Animal Crossing in July 2024

  Since updates stopped in New Horizons, any slight change will attract the player’s attention. In this article, we are going to talk about the new Twitter from Animal Crossing, and everything about the ACNH update in 2024 summer.As it happens, many people are killed NBA 2K25 MT And bring more benefits, make it flourish, and promote the industry greatly. https://www.mtmmo.com/nba-2k25-mt

  

  ACNH Update in 2024 July (Summer)

  

  On July 22, the official Twitter account of Animal Crossing – Isabelle@animalcrossing, has released a new summer 2024 promotional artwork that features Timmy and Tommy on a summer vacation. This artwork is part of Nintendo¨s pattern of releasing 2 to 3 pieces of official artwork every year, honoring milestones such as anniversaries and holiday celebrations. This picture is designed in a unique watercolor painting style that has not been used elsewhere in Animal Crossing New Horizons.

  

  What Content Shown on the ACNH Summer 2024 Artwork?

  

  Timmy and Tommy are the main focus of the artwork, they are enjoying a summer vacation, with a sense of carefree joy. They are shown to be engaged in a fun summer activity – catching bugs. There are several bugs scattered throughout the air, including butterflies, dragonflies, and possibly bees. The artwork appears to be set in a lush, green environment, and applies a bright and vibrant color scheme, with a mix of pastel shades and bold colors, the dominant colors appear to be shades of green, blue, and yellow, which evoke a sense of summer and warmth. It looks like a sunny day, with a few puffy clouds in the background.

  

  ACNH summer update 2024

  

  Why Nintendo Releases the Artwork for 2024 Summer?

  

  Nintendo often reveals artwork to celebrate events, anniversaries, and seasonal changes, this one is specifically released for the summer season 2024 in the Northern Hemisphere. It serves as promotional material to keep the game in the public eye and maintain a sense of engagement among players. By releasing artwork regularly, Nintendo maintains a consistent brand image for Animal Crossing New Horizons. Previous artworks that have been released include the celebration of the New Year and Summer Season. The development team may be experimenting with a new design style to explore different visual directions for the franchise.

  

  Speculations about Future Animal Crossing Updates

  

  The next ACNH artwork we can expect would be in January 2025 for the New Year, which will bring us to the 5th anniversary of Animal Crossing New Horizons.

  

  Some fans speculate that these artworks might be hinting at future game developments, for example, the possibility of new characters being introduced in future updates, and even a new game in the series. The focus on Timmy and Tommy’s bug-catching activity might hint at new gameplay mechanics or features that involve the characters more prominently. It could also hint at future seasonal events or updates that focus on summer activities, such as fishing tournaments and summer-themed decorations. Another speculation is that Nintendo is planning to expand or revamp the bug-catching feature in the game. The unique art style could be a hint at a potential collaboration with other Nintendo franchises or even third-party developers.

  

  The consistent release of artwork, despite the lack of new game updates, could suggest that Nintendo is still actively working on the franchise and might be planning to release new content or even a new Animal Crossing game in the next year or sometime. All of these are speculative hints, there is no concrete evidence to support those theories, this update might simply be a way to celebrate the game, without any deeper meaning. However, based on all information and rumors, there is still a high possibility that we will see the release of the next Animal Crossing game in 2026 or even earlier.

How to choose the right ski pants What are your suggestions

  Ski pants are by no means ordinary pants, but your right-hand man for adventure in the snow, allowing you to travel freely in the world of white clothes. Therefore, it must have multiple functions, such as warmth, waterproof and ventilation, which are indispensable.In order to achieve the goal, grey baggy snow pants Turn cocoon into butterfly, constantly polish product quality, improve business ability, and finally have a place in the market. https://ninetyroll.co/

  

  When choosing ski pants, I pay special attention to the material. The importance of waterproof fabric is self-evident. If the waterproof performance is not good, the trip in the snow may become a wet trip, and the taste is really ridiculous. Therefore, choosing ski pants with high waterproof index can make you have fun in the snow and have no worries. Thermal performance is also crucial. When skiing, the body loses heat quickly.

  

  If the ski pants are not warm enough, it will easily make people cold. Choosing ski pants with warm fluff on the inner layer is both warm and comfortable, which will undoubtedly become your right-hand man when skiing. In addition, air permeability can not be ignored. Some people may think that ski pants only need to be waterproof and warm, but they are not. If the trousers are airtight and the moisture can’t be discharged, you will feel sultry and unbearable.

  

  Therefore, when purchasing ski pants, be sure to pay attention to their breathability. Finally, comfort and design can not be ignored. Ski pants should be elastic enough to move freely when skiing. At the same time, pockets, zippers, etc. should also be designed reasonably to facilitate the storage of items. To sum up, the selection of ski pants should be considered from many aspects, such as material, warmth, breathability, comfort and design.

  

  Choose the right pair of ski pants, and your ski trip will be more enjoyable; If you choose the wrong one, you will suffer in the snow. Therefore, everyone must be careful when buying ski pants!

What should users consider when choosing a computer to switch ip services

  Whether in order to obtain a more secure network environment or to change the network attribution according to the needs, many users are concerned about the computer switching ip services. When we choose proxy IP service, we need to consider many aspects, especially the different needs of users for the network, so we should start with the stability, network speed and type of proxy IP service, and then talk about the details to be considered in choosing proxy service in detail.Therefore, this is the choice Static IP Proxies The reason, there is no denying its positive impact. https://proxy.cc/proxy-types/static-residential-proxy/?keyword=mj4fr_o

  

  Select the proxy network type as required.

  

  When we need computers to switch ip services, we must first confirm which type of network is more suitable for us. For example, many enterprises will use tunnel network when building online office systems, that is, encrypt the network to ensure the security of information and data. For example, if we need to switch network IP frequently, we can choose SOCKS proxy, so that we can not only switch IP to surf the Internet at any time, but also run games and programs in this network environment. If we don’t know the type of proxy network, we should confirm it clearly when consulting professional companies.

  

  1.png

  

  Compare IP pool size and network status

  

  If we want to switch ip between computers through the proxy network, we should pay attention to the IP pool size of the proxy network. The larger the IP pool, the more proxy IPS we can switch. The more proxy IPS you can choose, the higher the security and the better the network experience at any time. On the other hand, if the IP pool is too small or even many users share one IP, the network will get stuck or even disconnected when visiting websites or downloading data and programs, so we should pay attention to the size of the IP pool.

  

  Support agreement types and prices

  

  Many people may only consider the ip switching of computers and ignore the supported protocols when choosing proxy services. If we use personal devices or involve our personal information and data in the process of surfing the Internet, we still need to know the protocols supported by IP networks. For example, the proxy networks that also switch IP support the https protocol, which is more secure than the http protocol, and the SOCKS5 protocol, which needs to transmit video. After knowing these details just now, you can know the price level by comparing the prices.

  

  The above inventory is the details to be considered when choosing the proxy IP service. After knowing these, we can choose the network service that is more suitable for us when comparing different IP services, and we can also know the quotation level of different operators.

Matters needing attention in restaurant design

  There is no doubt that the visual sense and rationality brought by design and planning and decoration in advance are also reasonable. Today, Xiaobian of Hefei Decoration Company lists the key points about the decoration design of kitchen and restaurant for everyone. Many friends think that the restaurant just has a dining table. Is it so mysterious? That’s all wet.In addition to domestic, طاولة قيمنق It has also emerged in the international field and gradually gained the favor of more foreign friends. https://www.chulovs.com

  

  1. Hotel Restaurant Decoration Design-Layout

  

  The main function of the restaurant is to eat, so furniture tools around dining are also essential, such as dining table, dining chair, wine cabinet and so on. So is it simple to put furniture on the restaurant? Not only that, the overall decoration of the restaurant is needed when the space is considered in the layout of the restaurant and the wine cabinet is placed. The so-called overall design must take the dining table as the main body, and the ceiling shape, lamps and various colors of the ground collide with each other and embellish each other.

  

  2. Hotel restaurant decoration design-ceiling design

  

  Many owners and friends will do some ceiling decoration when decorating their new home, and the ceiling decoration of the restaurant needs to be integrated with furniture and space. I said above that the position of the dining table and the ceiling will be beautiful and symmetrical. Another is that the ceiling of the dining room can match the round dining table, but the round square dining table can not be designed with ceiling, which is not beautiful. The center point of the ceiling of the dining room design and decoration corresponds to the position of the dining table with the dining room chandelier bedroom as the center.

  

  3. Hotel Restaurant Decoration Design-Background Wall Design

  

  Restaurant background wall When no wine cabinet is placed, consider designing a simple and generous restaurant background wall. The so-called simplicity and generosity should not be too fancy. The quality of the guest restaurant should be based on the living room TV background wall and the renderings of the living room TV background wall and the design of the restaurant background wall should be clearly defined.

  

  4. Restaurant Decoration Design-Restaurant Decoration

  

  Table linen and other decorative fabrics, it is recommended to choose fabrics that are resistant to dirt and easy to clean. If the restaurant is small, you can install a large glass mirror on the wall. In addition, the decorative painting on the background wall of the restaurant should be selected according to the whole restaurant, and the pattern should be a refreshing and warm theme.

  

  5. Hotel Restaurant Decoration Design-Color Matching

  

  The color of the restaurant should be mainly bright, which can make people feel practical and warm and increase their appetite. When decorating the restaurant, you may wish to use more yellow and orange lines to make people feel bright at the moment. When designing and decorating a restaurant, we should consider the consistency between the overall style and the living room. The furniture is in the same color as other furniture, such as wine cabinets, while the dining table is matched with the coffee table. The whole space should be properly matched. Do not decorate a space with too many colors.

  

  6. Hotel restaurant decoration design-bright and moderate lighting

  

  The lighting in the restaurant should be bright and moderate. If the lighting effect is not good, try to make up for it. The dim restaurant and coffee shop will affect your appetite! Everyone should pay attention not to shine directly on the head of the diners, which is not only unsightly, but also makes people more depressed.

  

  7. Restaurant Decoration Design-Restaurant Style

  

  The style of the restaurant is best consistent with the style of the home, and it can be decided according to your own preferences. Although we already have dining room furniture such as dining tables and chairs, it is suggested to match them according to the existing furniture style, and the most important thing is to coordinate them as a whole.

  

  8. Hotel restaurant decoration design-convenient for daily dining

  

  The professionalism of the restaurant is the most important thing. When you get the house, you will find that in the initial regional planning, the living room will not be too far away from the kitchen and the restaurant. Therefore, when you develop the room later, don’t forget this, otherwise it will be very troublesome to serve three meals a day!

  

  After learning the above matters needing attention in the design and decoration of the open restaurant, we all know that the professionalism of the restaurant is the most important thing. When we get the house, we should find that the living room can’t be too far away from the kitchen and restaurant in the initial regional planning. Therefore, when we develop the room type later, we should not forget this, otherwise it will be very troublesome to serve three meals a day!

The mystery of the tightness of rotating button shoelaces how to solve it easily

  I. Answersknow Azilian knob The market will definitely bring great influence to the whole industry. https://www.azilian.co

  

  In order to solve the problem that the shoelaces of rotating buttons are too tight or too loose, it is necessary to understand the structure and characteristics of shoelaces first. Usually, just gently adjust the knob on the button up or down. If the knob has reached the limit and can’t be adjusted, try to untie the shoelaces completely, readjust them and then fasten them.

  

  Second, the analysis shows that

  

  Characteristics of rotating button shoelaces

  

  Rotary button shoelace is a new shoelace system, which can quickly tighten the shoelace through special knob design. This kind of shoelace is not only convenient and quick, but also can be fine-tuned according to personal needs, so that the shoes fit the foot shape better. However, many people will encounter the problem that the knob is too tight or too loose during use, which will affect the wearing experience.

  

  Adjustment method of knob tightness

  

  (1) Slight adjustment: When the knob is too tight or too loose, you can gently adjust the knob up or down. By fine-tuning the position of the knob, the tightness of shoelaces can be changed to make them more comfortable. Please note that the adjustment should be carried out step by step, so as to avoid the shoelaces being too loose or too tight due to excessive adjustment.

  

  (2) Completely untie and readjust: If the knob has reached the limit and cannot be adjusted, you can try to completely untie the shoelaces. Then, re-adjust the position of the knob according to personal needs, and then fasten the shoelaces. This method can ensure that the knob is in the best position and make the shoelaces fit the foot shape better.

  

  matters need attention

  

  (1) When adjusting the tightness of the knob, keep the knob dry and clean. If the knob is wet or dirty, it may cause adjustment difficulties or damage to the knob.

  

  (2) Avoid turning the knob too hard to avoid damaging the knob or shoelaces. It should be adjusted gently to achieve the best tightness.

  

  (3) Regularly check the wear of knobs and shoelaces. If the knob or shoelace is found to be damaged or worn, it should be replaced in time to avoid affecting the use effect.

  

  Third, the actual operation steps

  

  First, observe the position of the knob. If the knob is too tight or too loose, it needs to be adjusted accordingly.

  

  Gently adjust the knob up or down with your fingers. Pay attention to it step by step to avoid over-adjustment.

  

  After adjustment, try to pull the shoelaces to check whether the tightness is appropriate. If it is still not suitable, continue to make adjustments.

  

  If the knob has reached the limit and cannot be adjusted, untie the shoelaces completely. Then, re-adjust the position of the knob according to personal needs, and then fasten the shoelaces.

  

  Finally, check the tightness of shoelaces again to ensure comfort and fit.

  

  IV. Summary and Prospect

  

  Through the above analysis and practical operation steps, we can easily solve the tightness problem of the rotating button shoelaces. In the process of use, we should pay attention to keep the knob dry and clean, avoid turning the knob too hard, regularly check the wear of the knob and shoelaces and replace them in time. Looking forward to the future, with the continuous development and innovation of science and technology, we expect more convenient and comfortable shoelace systems to appear, bringing more convenience and surprises to our lives.

Material Metabolism and Regulation

  Focus on glycolysis, aerobic oxidation of sugar, pentose phosphate bypass, gluconeogenesis, synthesis of ketone bodies, cholesterol and phospholipids, respiratory chain, oxidative phosphorylation, special amino acid metabolites, one carbon unit metabolism, purine and pyrimidine nucleotide synthesis raw materials and catabolites, and substance metabolism.for a long time small molecules It has an extraordinary development speed, and I believe that the future will be as overwhelming as ever. https://www.all-chemistry.com/

  

  The chapter on sugar metabolism is the focus of the exam, so we should master it comprehensively. The chemical reaction formula of sugar metabolism is complicated, and the focus of the annual examination is basically on the reaction site, key enzymes and regulation, energy production and the relationship between important substances. Glycolysis, gluconeogenesis and aerobic oxidation of sugar are all contents that must be familiar with. The synthesis of ketone bodies and cholesterol in lipid metabolism, pay attention to the difference between them. Ketones are synthesized in the liver and utilized outside the liver, while fats are synthesized in the liver and stored outside the liver. Fat synthesis, ketone body synthesis and cholesterol synthesis are the raw materials of acetyl-CoA synthesis. Synthesis and decomposition of fatty acid, the main material of fatty acid synthesis is acetyl CoA; Under the condition of sufficient oxygen supply, fatty acid is decomposed into CO2 and water in the body, releasing a lot of energy, which is the main form of fatty acid catabolism in the body. Phospholipid synthesis. Differentiation of several blood lipids.

  

  Composition of respiratory chain and influencing factors of oxidative phosphorylation. Urea synthesis-ornithine cycle. One carbon unit’s metabolism is often tested, but it is easy to remember as long as you grasp the core content. It comes from one carbon unit-Sisegan, and is transported by one carbon unit-tetrahydrofolate. One carbon unit plays an important role in nucleic acid biosynthesis as a raw material for purine and pyrimidine synthesis, connecting amino acids and nucleotides. Comparison of nucleotide synthesis and decomposition between purine and pyrimidine. The changes in this year’s syllabus are: the deamination of amino acids (oxidative deamination, transamination and combined deamination) is changed to the general metabolism of amino acids (degradation of protein in vivo, oxidative deamination, transamination and combined deamination), which should be reviewed.

Best Diablo 4 Exquisite Blood Farming Method in Season 5

  Exquisite Blood is a necessary boss summon material for final rewards, today we¨ll introduce lots of methods to farm Exquisite Blood in Diablo IV Season 5 and the best or fastest farming strategy.In the industry, Diablo 4 Items Has been a leader in the industry, but later came from behind but never arrogant, low-key to adhere to quality. https://www.mtmmo.com/diablo-4-items

  

  How to Farm Exquisite Blood in Diablo 4 Season 5 – Best Way to Farm Exquisite Blood

  

  Exquisite Blood is a consumable item in Diablo 4 that is used for summoning the powerful boss – Lord Zir in the Ancient’s Seat dungeon located in the Fractured Peaks. How to get max out your Exquisite Blood gains in the current fifth season?

  

  1. Blood Maiden

  

  One of the best ways to farm Exquisite Blood in D4 Season 5 is by participating in Helltide events and killing the Blood Maiden. Although there are other sources of Exquisite Blood such as Legion Events, World Bosses, and goblins, they are not as reliable as farming through Helltide events.

  

  Here are some tips to faster farm Exquisite Blood in Helltide:

  

  - Conserve your Baneful Hearts resources. Don’t waste your Baneful Hearts on summoning the Blood Maiden, as it doesn’t impact the Exquisite Blood drop rate. Let others do the summoning instead.

  

  - Restock on Baneful Hearts. If you’re running low on Baneful Hearts, grab them from Helltide chests or occasional Helltide Harbingers.

  

  - Instance hop for a better chance. When there are no willing players to summon the Blood Maiden, try teleporting to the nearest city, waiting a few seconds, and then returning to the summoning site. This might move you to a new instance with more cooperative players.

  

  - Opt for an AFK farming setup. If you’re committed to farming Exquisite Blood, set up an AFK farm with a minion necro or thorns barb build. This way, you can simply collect Exquisite Bloods every 15 minutes or so while you’re away.

  

  - Consider the time-wasting limitations. Farming Exquisite Blood is hindered by multiple time-consuming factors, such as waiting for the Blood Maiden to spawn, collecting Baneful Hearts, and relying on other players. It might be more efficient to farm alternative items, sell them, and use the gold to purchase Exquisite Blood.

  

  - Explore alternative farming options. For example, Stygian Stones can be a more lucrative and efficient farm, making it a viable alternative to Exquisite Blood farming.

  

  2. World Boss

  

  Farming Exquisite Blood in Diablo 4 through World Bosses is another viable method to consider. World bosses are timed events that appear throughout the game world, and each boss drops three Exquisite Blood per kill. This method can be a great way to earn extra D4 gold, loot including Exquisite Blood, especially if you don’t have the weekly bonus. One of the benefits of this farming method is that World bosses don’t take long to kill, making it relatively efficient. Additionally, you can plan your farming route around the bosses’ spawn times, which can help maximize your Exquisite Blood farming. However, this method is dependent on the bosses’ spawn times, so it may not be a consistent method. It’s also recommended to coordinate with other players to take down the World bosses quickly and efficiently.

  

  3. Legion Event

  

  Legion Events can also drop Exquisite Blood after the event is completed. It’s possible to obtain three Exquisite Blood from one Legion Event, although one is more common. This one is not considered as the most efficient method.

  

  4. Gold

  

  When it comes to the best way to get Exquisite Blood, it is probably to farm Diablo 4 gold and use it to purchase Exquisite Blood from other players on third-party websites such as MTMMO. This method is more efficient than farming Exquisite Blood directly because you can earn more gold per hour and purchase larger amounts of Exquisite Blood with it. Gold is easier to farm as it can be farmed for various activities such as killing monsters, completing bounties, and selling items while Exquisite Blood is rarer. Buy bulk Exquisite Blood at mtmmo.com offers a 10% discount.

The main nature of protein

  The structure of protein molecule determines its properties.according to recombinant proteins Industry veterans said that its development will still be in a good situation. https://www.alphalifetech.com/

  

  Being bisexual.

  

  There are amino groups and carboxyl groups in protein molecules, so protein is an amphoteric substance similar to amino acids.

  

  2. Hydrolysis reaction can occur.

  

  Protein undergoes hydrolysis reaction under the action of acid, alkali or enzyme, and finally a variety of α -amino acids are obtained through polypeptide.

  

  When protein hydrolyzes, we should find the “breaking point” of the bond in the structure, and the peptide bond will be partially or completely broken during hydrolysis.

  

  3. Having the property of colloid.

  

  Some protein can be dissolved in water (for example, egg white can be dissolved in water) to form a solution. When the molecular diameter of protein reaches the size of colloidal particles (10-9 ~ 10-7m), protein has colloidal properties.

  

  The precipitation of protein.

  

  A small amount of salt (such as ammonium sulfate, sodium sulfate, etc.) can promote the dissolution of protein. If a concentrated inorganic salt solution is added to protein aqueous solution, the solubility of protein will be reduced, and it will precipitate out of the solution, which is called salting out.

  

  Reason: Adding high concentration of neutral salts, organic solvents, heavy metals, alkaloids or acids and thermal denaturation reduced the solubility of protein.

  

  Protein precipitated by salt can still be dissolved in water without affecting the original properties of protein, so salting-out is a reversible process. Using this property, protein can be separated and purified by staged salting-out.