Service
Shipping Logistics
Warehouse Services
Expo Services
About Us
Help Center
Supplier
Supplier Service
Supplier Center
Supplier Register
Investment Promotion
Get the App
FAQ
Contact Us
English
English
Русский язык
简体中文
Products
Products
Suppliers
Post My RFQ
Sign In
/
Join
Shopping Cart
Mall
Titanium Industry Chain
Titanium Dioxide
Rutile Grade Titanium Dioxide
Anatase Grade Titanium Dioxide
Titanium Ore
Ilmenite Sand
Titanium Sponge
Rutile
High Titanium Slag
Titanium Material
Titanium Metal
Titanium Tetrachloride
Zirconium Ore
Paints & Inks Industry Chain
Pigments
Carbon Black Pigments
Organic & Inorganic Pigments
Pthalocyanine Pigments
Iron Oxide Pigments
Inks
Surface Printing Inks
Emulsions
Acrylic Emulsion
Auxiliaries
Cellulose
Coating
Resin Industry Chain
PVC Resin
PVC Resin Paste
PVC Resin Suspension
PP Resin
PP Homo
PP Block
PP Random Copo
PE Resin
HDPE
LDPE
LLDPE
PS Resin
Caustic Soda
PVC Additives
Heat Stabilizer
Plasticizer
Flame Retardant
Foam Agent
Lubricant
Impact Modifier
Pigment
Light Stabilizer
Antioxidant
Processing Acids
Filling Agent
Polymers
Polyvinyl Chloride PVC
ABS Resin
Polyethylene terephthalate PET
Polyethylene PE
Polypropylene PP
Purified Terephthalic Acid PTA
Chlorinated Polypropylene CPP
Polycarbon Resin PC
Polystyrene PS
Powders Industry Chain
Talcum Powder
Kaolin Powder
Calcium Carbonate
Heavy Calcium Carbonate
Light Calcium Carbonate
Sericite
Barium Sulfate
Precipitated Barium Sulfate
Natural Barium Sulfate
Mica Powder
Others
Coal Chemicals Industry Chain
Solvent Industry Chain
Methanol
Ethanol
Ethylene Glycol
Glycerol
Sands & Minerals Industry Chain
Medical Industry Chain
Test Products
Masks
Disposable Medical Masks
Disposable Surgical Mask
Filter Mask
Infrared Thermometers
Non-woven Fabrics
Meltblown Fabrics
Spunbonded Fabrics
Medical Coveralls
Disinfection & Sterilization Supplies
Others
Others
Agent Procurement
Fruit And Vegetable
Coating Industry Chain Products
Food Additives
Amino Acid
Vitamins
Preservative
Antioxidants
Sweeteners
Thickeners
Other Additives
Industrial Additives
Dispersant Agent
Defoamer
Leveling Agent
Curing Agent
Adipic Acid
Advanced Material
Supermarket
Supplier
Quality Supplier
Virtual Reality Showroom
Cross-Border Barter
Industrial Data
Warehouse Logistics
Cross Border Warehousing
Integrated logistics
Trade Assurance
Expo Services
Industry info
Q&A
Wiki
Company news
Platform Information
Domestic and International News
RFQ
WhatsApp
Feedback
App
Download TDD-global App
Scan the QR code to download
TOP
NatRoosevelt
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
You May Like
PASTE PVC RESIN P450
Paste PVC resin PB 1156
RY-540ml
Wufeng High-gloss Barium Sulfate WT-388 for Coating Plastic Rubber
Danhai Chemicals Paper-making Grade Talcum Powder 325 Mesh B
Wetting agent
Food Grade 99% Purity Bcaa Powder for Energy Supplement 2:1:1
Q&A
•
what is polymer papers on a house loan
•
where does iron oxide form
•
is abs plastic the same as polypropylene
•
polyethylene and polypropylene difference
•
how to apply inecto dye
Popular Information
•
Market Prospects and Potential of China’s Talcum Powder Industry
•
Caustic soda prices fell last week
•
Domestic PVC Market Prices Rose on March 29
•
The difference between talc powder and calcium carbonate and their applications
•
New Polestar 3 all electric SUV is to use INEOS Inovyn BIOVYN bio-attributed vinyl car seats
You May Like
Feed Grade L-Lysine
Compostable take off packaging biodegradable cornstarch lunch box food packing box
Huaxiang Heavy Calcium Carbonate 800 Mesh
Wufeng Weitai Barium Sulfate for Rubber WT-088
Baiyan Pigment Carbon Black Extra Black No.1
Food additive Sodium hexametaphosphate high quality
Double compartment (lid with holes)
Q&A
•
how to correct rod epoxy problems
•
which amino acid cannot exist in aqueous solution
•
what are the chemical properties of polyvinyl chloride
•
what properties of polyethylene plastic make it useful
•
why oxygen oxidizes ferrous iron of free heme
Popular Information
•
Aluminium players seek government salve to heal cost wounds
•
Ineos Adopts Solar Energy to Mitigate Carbon Impact in Belgian PVC Manufacturing
•
Aditya Birla Chemicals acquires division of Solaris Chemtech
•
China PE Futures and Spot Prices Fell in Late April
•
Views on the Rise and Fall of LLDPE on November 13
Q
how do amino acids
XavierNelly
NatRoosevelt
Release Time:
August 18, 2024, 11:34 AM
Amino acids are organic compounds that serve as the building blocks of proteins. They contain an amino group (-NH2), a carboxyl group (-COOH), and a unique side chain (R group). There are 20 standard amino acids used by cells to synthesize proteins. Each amino acid can link to another via a peptide bond, forming chains known as polypeptides. These chains fold into specific shapes, creating functional proteins. Amino acids are classified as essential or non-essential based on whether the human body can produce them. Eight are considered essential and must be obtained through diet. Proteins perform numerous functions in the body, such as catalyzing reactions, providing structure, and facilitating cell signaling. Understanding amino acids is crucial for developing treatments for diseases involving protein malfunction.
0
Q
where are amino acids assembled
NatRoosevelt
RoyRhodes
Release Time:
August 17, 2024, 10:01 AM
Amino acids are primarily assembled into proteins in the ribosomes, which are complex molecular machines located within the cells of all living organisms. Ribosomes can be found either floating freely in the cytoplasm or attached to the endoplasmic reticulum, a structure involved in protein processing and transport. The process of protein synthesis begins with the transcription of DNA into mRNA in the nucleus. The mRNA then travels to the ribosome, where it is read and translated into a specific sequence of amino acids, forming a polypeptide chain. This chain undergoes folding and modifications to become a functional protein. The assembly of amino acids into proteins by ribosomes is a critical part of cellular function and plays a key role in various biological processes, including enzyme production, cell structure formation, and the regulation of metabolism.
0
Q
do all amino acids lower blood pressure
NatRoosevelt
BellaAlick
Release Time:
August 16, 2024, 12:58 PM
Not all amino acids directly lower blood pressure. Specific amino acids, such as L-arginine, play a significant role because they can be converted in the body to nitric oxide (NO), a powerful vasodilator that helps relax blood vessels, thereby potentially lowering blood pressure. Other amino acids, like L-citrulline, can also support this process by being converted to L-arginine in the body. However, the impact of amino acids on blood pressure can vary among individuals and may depend on existing health conditions, dietary patterns, and lifestyle. Therefore, while some amino acids have the potential to support vascular health and contribute to lower blood pressure, it’s not accurate to state that all amino acids have this effect. Consulting with healthcare providers is advisable for those considering amino acid supplementation for managing blood pressure.
0
Q
what is transamination in amino acid metabolism
NatRoosevelt
EvanEisenhower
Release Time:
August 14, 2024, 9:39 AM
Transamination is a critical biochemical process in amino acid metabolism, where an amino group from one amino acid is transferred to a keto acid, transforming it into a new amino acid, while the original amino acid becomes a new keto acid. This pivotal reaction is facilitated by enzymes known as transaminases or aminotransferases. Transamination plays a vital role in amino acid synthesis and degradation, enabling the non-essential amino acids to be synthesized in the body and allowing for the nitrogen from amino acids to be recycled or excreted. It is essential for the dynamic balance of amino acid pools in cells and for the production of metabolites that enter various biochemical pathways. Transamination reactions are reversible and are crucial for interconnecting amino acid metabolism with carbohydrate metabolism, as many keto acids involved are intermediates in the citric acid cycle. Understanding transamination provides insights into metabolic flexibility and the body’s abil...
0
Q
what are the three types of polymers
NatRoosevelt
OctaviaBrowne
Release Time:
August 11, 2024, 6:29 AM
Polymers are large molecules composed of repeating structural units derived from small molecules called monomers. They can be found naturally (like proteins and cellulose) or manufactured (like polyethylene and nylon). There are three main types of polymers: thermoplastics, thermosets, and elastomers. Thermoplastics, such as polyethylene and polystyrene, soften when heated and harden when cooled, making them recyclable. Thermosets, like bakelite and epoxy, once formed cannot be returned to their original state by heating, making them ideal for applications requiring high heat resistance. Elastomers, including natural rubber and synthetic rubbers, are highly elastic polymers that can stretch significantly and then return to their original shape. Each type has unique properties that make them suitable for different applications, from packaging and construction to automotive and medical devices.
0
Q
is big twist yarn soft
EdwiinMacDonald
NatRoosevelt
Release Time:
August 6, 2024, 1:18 PM
Big Twist Yarns is known for offering a range of fibers that often prioritize comfort and softness, catering to crafters looking for accessible yet cozy materials for their projects. Specifically, the Big Twist Value brand is praised for its softness, making it a favorite for those seeking to create plush blankets, comfortable wearables, and cuddly toys. Crafted from synthetic fibers, these yarns provide a gentle touch against the skin while also being durable and easy to care for, making them a go-to choice for both beginners and seasoned knitters or crocheters looking for budget-friendly options without compromising on quality or feel. However, like with any yarn, individual sensitivity can vary, so it’s advisable to feel the yarn yourself before purchasing, if possible.
0
Q
how is melanin a polymer
MageeBroad
NatRoosevelt
Release Time:
August 4, 2024, 2:20 PM
Melanin is indeed a polymer, though it deviates from the classic definition of polymers, which typically consist of long chains of repeating units derived from simpler molecules (monomers). Melanin is a complex, heterogeneous biopolymer that does not arise from a single type of monomer but through the oxidative polymerization of the amino acid tyrosine and its derivatives. This process occurs primarily in specialized cells called melanocytes, where enzymes like tyrosinase catalyze the conversion of tyrosine into dopaquinone, which then undergoes a series of spontaneous reactions to form various melanin precursors. These precursors can further polymerize into two main types of melanin: eumelanin (responsible for brown and black pigmentation) and pheomelanin (which contributes to red and yellow colors). The complexity and heterogeneity of melanin’s structure give it unique properties, such as its ability to absorb ultraviolet light and scavenge free radicals, providing protection a...
0
Q
are rugs made of polypropylene pile fiber
NatRoosevelt
BorgMurray
Release Time:
August 2, 2024, 12:06 PM
Yes, many rugs are made from polypropylene pile fiber, a synthetic material favored for its durability, stain resistance, and affordability. Polypropylene, also known as olefin, is a popular choice for both indoor and outdoor rugs due to its ability to withstand moisture and mildew. Its synthetic nature allows for a wide range of colors and patterns, making it versatile for various design preferences. While it offers practical benefits, polypropylene might not have the same feel or luxury as natural fibers like wool or silk. However, for high-traffic areas or spaces that are prone to spills and wear, polypropylene rugs are an excellent choice due to their ease of maintenance and resilience.
0
Q
is polyethylene easy to machine
NatRoosevelt
DorisAnna
Release Time:
July 31, 2024, 5:59 AM
Polyethylene (PE), known for its versatility and wide range of applications, is generally easy to machine due to its softness and malleability. Available in multiple densities, such as high-density polyethylene (HDPE) and low-density polyethylene (LDPE), its machining properties can vary. HDPE, for example, is tougher and has higher wear resistance, making it preferable for parts that must endure more stress or demand greater durability, whereas LDPE is softer, enhancing its machinability for less demanding applications. Despite its ease of machining, polyethylene poses some challenges; it may require specialized tools or adjustments in machining parameters to mitigate issues like material deformation or burr formation. Optimizing cutting speeds, utilizing sharp tools, and employing appropriate cooling methods can significantly enhance the machining process of polyethylene, making it a favored material for a broad spectrum of industrial and commercial products.
0
Q
does epoxy turn yellow
RenataJohnston
NatRoosevelt
Release Time:
July 30, 2024, 3:09 AM
Epoxy resin can turn yellow over time, a process primarily driven by UV light exposure and heat. While epoxy is valued for its strength and clarity, its susceptibility to yellowing is a notable drawback, especially for applications where aesthetic quality is paramount. Manufacturers have addressed this issue by introducing UV inhibitors and stabilizers into epoxy formulations to slow the yellowing process, but these measures do not completely prevent it. For projects where color stability is critical, selecting an epoxy specifically designed to resist yellowing or using a protective topcoat that blocks UV light can be beneficial. Additionally, storing epoxy resin creations away from direct sunlight can help preserve their color.
0
You May Like
PASTE PVC RESIN P450
Paste PVC resin PB 1156
2023 hot selling good price transparent plastic cups 7oz PP blue disposable cup
Nantai Rutile Titanium dioxide NR-9503 for papermaking&plactics
Food Grade L-Carnitine Fumarate
Sabic 118wJ LLDPE Film
NA-SERIES GENERAL FLEXO INK FOR PLASTIC LAMINATED FILM
Q&A
•
how many days for epoxy to cure
•
is resin perfect present tense
•
what are some characteristics of synthetic polymers
•
how do you bond pvc to metal
•
what is a polymorph polymer
Popular Information
•
Global Investors Meet: Karnataka government signed pacts worth Rs 1.6 lakh crore
•
NALCO to expand to new “immune” sectors to counter downturn
•
CRISIL revises Chemplast Sanmar’s rating to negative
•
India Megatrends: Defining the country’s chemical industry: Shobhit Aggarwal, Chief Strategy Officer, Global Chemicals, Fashion Yarn & Insulators, Aditya Birla Group
•
Tokuyama Corporation Scales Down VCM Production Usage in Tokuyama
Links
made-in-china
echemi.com
eurocarparts.com
made-in-china
echemi.com
eurocarparts.com
made-in-china
echemi.com
eurocarparts.com
made-in-china
echemi.com
eurocarparts.com
About Cookies On This Site
We use cookies to give you the best possible experience on our website. For more details including how to change your cookie settings, please read our
Cookies Policy
I understand
Cookie Settings