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high-quality hi-fi power and amplifiers generate large amounts of heat. to dissipate the heat and prevent damage to the electronic components, heat-radiating metal fins are used. would it be better to make these fins out of iron or aluminum? specific heat capacities for aluminum and iron are 0.89 J/degrees C.g and 0.45 J/degrees C.g, respectively. explain your answer
Aluminum, it takes more energy (0.89 J vs. 0.45 J) to heat it up 1 degree Celsius per gram. For example, 1 Joule of energy would heat 1 gram Al only 1.x deg C, while Fe would heat up by more than 2. Might wanna throw in something about thermal conductivity k for some bonus points.
There are several types of aluminum coils available in the market, including painted aluminum coils, embossed aluminum coils, anodized aluminum coils, and mill finish aluminum coils. Each type has its own unique characteristics and uses, catering to various industries and applications.
I have completely disassembled my aluminum bass boat and it is being sandblasted.I am restoring the boat and will be giving it a new paint job.What do you recommend in the way of primer,paint or anything else I need to know.I just don,t want to mess it up by using the wrong thing.Best answer gets a fishing trip in the same boat we are talking about. If you can make it here I will put you on some fish.Catfish,bream,crappie,bass or even saltwater fish.
Altough Pettit says you can topcoat this primer, you will probably get a better result if you prime the primer with whatever is recommended for the type of topcoat you use. For the hull, use a paint with a high UV rating, and avoid using red, it oxidizes faster. I would also suggest you use the Alumaprotect inside the hull as well.
Can the color coated aluminum roll be bent easily and won't break?
Weathering resistance. The weight of a unit volume is the lightest of all metal materials. It is widely used in fields such as pigments, balcony packaging, and is not susceptible to corrosion. It is durable and beautiful in appearance. Specially applied to the interior of public places, colour coated aluminium rolls have become one of the most popular top decorative materials: polyester coated aluminum rolls (PE). According to the surface film forming structure, fluorocarbon coating can be divided into two kinds: traditional fluorocarbon and nano fluorocarbon coating. The biggest advantage is that the strength of the fluorocarbon coating is incomparable. It is a new type of material which has recently emerged in the field of doors and windows.
Will aluminum foil go off in a metal detector
Aluminum Detector
I have found many articles claiming that the aluminum content in soy (baby) formula is very high.What I am wondering is- does regular old soy milk for adult consumption also have very high aluminum content?I am extensively researching all possible ways to relieve my 14 month olds terrible constipation. He is not allergic to milk- he was on a milk-based formula. We VERY slowly switched over to whole cow's milk- which turned out to once again be terribly constipating. It was suggested I give lactose-free milk a try- which has seemed to help a little bit- it was working OK for a few days- but he did have quit the hard (and painful) bowel movement a couple days ago. We are trying other options- juices, he's active, we are trying to get enough fiber into this picky eater's diet. I am just researching the possibility of soy milk if this problem persists.I am not willing to give it to him if the aluminum content is even a small possibility. I am not finding much info about adult soy milk. Anyone??
I found this on the FAQ for Eden Soy products: Claim 12: Soy foods may contain harmful levels of aluminum. (Fallon, 1996)[21] Answer 12: The author describes aluminum occurring in soy as a result of an industrial processing step. This occurs only when producers use harsh alkaline soaking solutions that leach aluminum from aluminum processing equipment. Not all soy processing uses alkaline soaking solutions and not all soy is produced using aluminum equipment. Harsh alkaline soaking solutions are used mainly in the production of modern soy foods such as soy protein isolates, soy protein concentrates, soy supplements, soy protein shakes, textured soy protein (TSP), etc. Eden does not use alkaline soaking solutions and does not use aluminum equipment. Our test results show no trace of aluminum in Edensoy, testing at a sensitivity of .1ppm. The study it references talks about soy formula, not soy milk. It sounds as if the soy picks up its aluminum content from the manufacturing equipment. Edensoy claims they are aluminum-free (implying that other companies are not)... however, it is of course a biased source! Our oldest has been on soy milk/goat milk combination for a while now (we don't do dairy), however, we are in process of weaning off soy for good as we have other concerns besides aluminum: MEDICAL CONDITIONS POSSIBLY ATTRIBUTABLE TO SOY CONSUMPTION Asthma Chronic Fatigue Depression Diabetes Heart Arrhythmia Heart or Liver Disease Infertility/Reproductive Problems Irritable Bowel Syndrome Learning Disabilities/ADD/ADHD Pancreatic Disorders Premature or Delayed Puberty Rheumatoid Arthritis Thyroid Conditions: Auto-Immune Thyroid Disorders (Graves’ or Hashimoto’s Disease) Goiter Hypothyroidism Hyperthyroidism Thyroid Nodules Thyroid Cancer Other thyroid disorders Uterine Cancer Weight Gain nothing is proven but the possibility is enough for us to give it up).
We have all heard the Us saying aluminum and their euro counterparts saying aluminium. I assumed this was just a small difference in culture or location. But, while reading my chemistry book (Chemistry the Central Science 12th) i came across a section saying: Cations formed from nonmetal atoms have names that end in -ium: NH4+ ammonIUM ion, H3O+ hydronIUM ion. So, i have came up with a hypothesis, could it be possible that when the periodic table was coming together, the aluminium was changed to aluminum to allow the rules to work? Thus making aluminum the correct spelling? Give me your thoughts.
It just depends on which side of the Atlantic Ocean you live. Come to think of it though, most metals end in ium. Not just the ions.
Aluminum coils utilize several different alloys, each possessing unique properties and applications. Some commonly employed alloys encompass: 1. 1100 Alloy: A pure aluminum alloy that boasts exceptional corrosion resistance and high thermal conductivity. It finds frequent usage in scenarios necessitating elevated thermal or electrical conductivity, such as heat exchangers or electrical conductors. 2. 3003 Alloy: A versatile aluminum alloy offering commendable resistance against atmospheric corrosion and moderate strength. It is commonly employed in situations requiring moderate strength and formability, like packaging, roofing, or vehicle parts. 3. 5052 Alloy: Among the strongest non-heat-treatable aluminum alloys, this alloy exhibits top-notch corrosion resistance and favorable formability. It frequently finds application in marine environments, automotive components, and household appliances. 4. 6061 Alloy: A heat-treatable aluminum alloy renowned for its exceptional strength and corrosion resistance. It is often utilized in structural capacities, such as aircraft components, marine hardware, or bicycle frames. 5. 7075 Alloy: A high-strength aluminum alloy recognized for its outstanding fatigue strength. It is commonly employed in aerospace and military scenarios, as well as in high-stress structural elements. These examples represent merely a fraction of the diverse array of alloys employed for aluminum coils. The selection of a specific alloy depends on the desired properties and intended application of the coil.