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DianaII
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
Industry info
Wiki
Q&A
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Q
is another amino acid added to the carboxyl terminus
DianaII
MoiraJohnson
Release Time:
August 15, 2024, 8:30 AM
In the process of protein synthesis, amino acids are added successively to the growing polypeptide chain by the formation of peptide bonds. These bonds are formed between the carboxyl group (-COOH) of one amino acid and the amino group (-NH2) of another. Specifically, the addition occurs at the C-terminus, or carboxyl terminus, of the polypeptide chain. This end of the protein grows as each new amino acid is added, extending the protein’s length. The mechanism is orchestrated by the ribosome, which reads the mRNA template in the 5′ to 3′ direction, guiding the addition of amino acids in the correct sequence specified by the genetic code. Thus, adding another amino acid to the protein chain involves its carboxyl group reacting with the amino group of the incoming amino acid, facilitated enzymatically by the ribosome and requiring energy in the form of GTP.
0
Q
what is the monomer of a polypeptide
DianaII
NeilSymons
Release Time:
August 15, 2024, 4:35 AM
The monomer of a polypeptide is an amino acid. Amino acids are organic compounds that combine to form proteins, the building blocks of life. Each amino acid consists of an amino group (NH2), a carboxyl group (COOH), a hydrogen atom, and a unique R-group or side chain attached to a central carbon atom (C). There are 20 different standard amino acids in total, each with its distinct R-group, which determines the chemical nature and function of the protein. Polypeptides are formed through a dehydration synthesis reaction, where the carboxyl group of one amino acid reacts with the amino group of another, releasing a molecule of water and forming a covalent bond known as a peptide bond. This process repeats, linking amino acids into long chains called polypeptides, which fold into specific three-dimensional structures to become functional proteins.
0
Q
what type of epoxy or resin does nature stone use
HardyDillon
DianaII
Release Time:
August 11, 2024, 2:35 PM
Nature Stone, renowned for its stone and epoxy flooring, primarily uses a specially formulated, proprietary epoxy resin. This epoxy is designed to bind natural stones together and to the base floor, creating a durable, seamless surface. The exact formulation is proprietary, meaning it’s unique to Nature Stone and not publicly disclosed, ensuring their floors’ distinctive quality and performance characteristics. This type of epoxy is engineered for high durability, resistance to stains, and the ability to withstand heavy traffic, making it ideal for both residential and commercial applications. For those looking to replicate or repair such floors, seeking similar high-grade, stone-binding epoxy resins with these properties is advisable.
0
Q
does bondo adhere to polyethylene
MortonVan
DianaII
Release Time:
August 10, 2024, 9:02 AM
Bondo, a popular automotive body filler, generally does not adhere well to polyethylene or polypropylene plastics due to their non-porous and oleophilic (oil-like) nature which inhibits the bonding process. These plastics have a smooth surface and do not allow the bondo to grip effectively. For successful adhesion to such materials, it’s advisable to use a specialized plastic adhesive or a promoter designed to enhance the bonding process. Sanding the surface to create a rough texture and applying an adhesion promoter before the bondo can also improve adhesion. However, always consult the product’s specifications to ensure compatibility with polyethylene surfaces.
0
Q
how long does yarn twist last
DianaII
BuckGray
Release Time:
August 6, 2024, 8:15 AM
The longevity of yarn twist largely depends on the type of yarn used, the tightness of the twist, and the item’s usage and care. Natural fibers like wool and cotton may hold their twists longer due to their fibrous nature. In contrast, synthetic fibers like acrylic may lose their twist more quickly. Tighter twists generally last longer but can make the yarn harder and less comfortable, especially in clothing. With proper care, such as gentle washing and avoiding high heat, a yarn’s twist can last years. However, for items subjected to regular wear and tear, like socks or blankets, the twist may start to relax within a few months to a year. Additionally, techniques like cabling or ply twisting can help maintain the twist’s integrity over time.
0
Q
how do conductive polymers work
BrunoEvans
DianaII
Release Time:
August 4, 2024, 8:49 PM
Conductive polymers work by facilitating the movement of electrons within their structure, akin to the way metals conduct electricity. This is interesting because polymers are typically insulators. The key to their conductivity lies in the conjugation within the polymer backbone. Conjugation refers to the alternation of single and double bonds between carbon atoms, which allows electrons to delocalize and move more freely across the polymer chain. When external energy (such as electrical voltage) is applied, these delocalized electrons can move along the polymer, thus conducting electricity. The degree of conductivity can be tuned by the degree of conjugation and the presence of dopants, which can introduce or remove electrons from the polymer, enhancing its conductivity. This makes conductive polymers versatile materials for applications in organic electronics, such as flexible displays, solar cells, and advanced sensors.
0
Q
a reaction requires to break down polymers
DianaII
HumphreyErnest
Release Time:
August 2, 2024, 1:03 PM
Polymer construction refers to the building method or process that heavily utilizes polymers – synthetic materials made from long, repeating chains of molecules. These materials include plastics, synthetic fibers, and resins, known for their durability, flexibility, and resistance to water and chemicals. In the construction industry, polymer-based products are used in a wide range of applications, such as insulation, flooring, window frames, pipes, and adhesives. The adoption of polymer construction offers several benefits, including lightweight structures, enhanced thermal performance, and faster construction times. However, it also poses challenges like environmental impact due to the difficulty in recycling some polymer products. As technology advances, research is leaning towards more sustainable and eco-friendly polymer options to mitigate these issues.
0
Q
how to design injection molding machine
DianaII
UptonIvan
Release Time:
July 30, 2024, 2:44 PM
Removing PVC (polyvinyl chloride) insulation from copper wire is commonly done for recycling or crafting purposes. One popular method is mechanical stripping, where a specialized stripping tool or a sharp knife is used to carefully cut away the insulation without damaging the copper. For larger volumes of wire, an automatic wire stripper can save time and effort. Another method involves heating the wire to melt the PVC, however, this can release harmful fumes and is not recommended for safety and environmental reasons. Chemical stripping, using solvents to dissolve the insulation, is also possible but requires handling hazardous chemicals with care. To protect the environment and personal health, mechanical stripping is generally the preferred method.
0
Q
are polymers isotropoc
DianaII
AntonioLancelot
Release Time:
July 30, 2024, 1:37 PM
This morning we fought in Clear Water Bay,It is by no means empathy and love,Just to improve the reputation of the watch,Otherwise, labor and capital are unwilling! During this period of morning exercise at Daqiao Base, my watch record has been wrong, and I can’t find the reason. While I was worried, I had an idea yesterday and planned to try it again in a different place to see if it was the problem with the watch or the signal, so I went to the small island of Clear Water Bay this morning. Guess what? My “Jiangxi Watch” not only rounded the circles today, but also recorded the trajectory chart very standard. As for why it took 37 minutes and 41 seconds to swim 1104 meters? First, I didn’t swim hard in the first place, and second, I didn’t stop my watch in time after landing. This is normal. It seems that there is no problem with the watch, so I can’t hear it. After morning exercise yesterday, I went home to cook noodles early, so I stayed at home....
0
Q
how heavy is a cubic foot of resin
DianaII
EdAbraham
Release Time:
July 28, 2024, 5:00 PM
Yarn pilling occurs when fibers in the yarn break and tangle, forming small balls or “pills.” To avoid pilling, consider yarns made from long-fiber materials such as merino wool, silk, and linen. These fibers are less prone to breaking, thereby reducing the formation of pills. Additionally, tightly spun yarns and plied yarns (yarns twisted together) are more resistant to pilling because the structure of the yarn itself is more durable and less likely to fray. Synthetic fibers like acrylic can also have low pilling qualities, especially if they’re treated or blended with anti-pilling technology. However, they might not offer the same feel or environmental benefits as natural fibers. Choosing a high-quality yarn, regardless of the material, can also make a significant difference in reducing pilling. It’s worth noting that how the finished project is used and cared for can also impact pilling, so following care recommendations is crucial.
0
RachelObadiah
Release Time:
July 28, 2024, 1:19 PM
Lexus LX570→ Four-door sound insulation and noise reduction Sound insulation materials·Great White Shark Golden Shark shock absorption + Great White Shark high-elastic memory cotton Construction plan·Four-layer sound insulation and noise reduction treatment to reduce wind noise problems, reduce harmonics, and improve sound quality.
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