Essays Tagged: "high temperature"

Nuclear Fusion

come their electrostaticforce of repulsion. This can occur either when one nucleus isaccelerated to high energies by an accelerating device, or when theenergies of both nuclei are raised by the applic ... from things like, old coffee grounds,bananas, and old beer cans. Thermonuclear reactions depend on highenergies, and the possibility of a low-temperature nuclear fusion hasgenerally been discounted. ...

(9 pages) 119 1 4.5 Nov/1995

Subjects: Science Essays > Physics

Bacterial Growth

dating to more than 3 billion years ago. Archaebacteria live in environments where, because of the high temperature, no other life can grow. These environments include hot springs and areas of volcan ...

(5 pages) 135 0 5.0 Jan/1996

Subjects: Science Essays > Biology

The different sources of energy.

ns as swimming pool heating. Focusing collectors: A focusing collector can provide a temperature as high as 4000 o C. The high temperature is ideal for a solar furnace that provides contaminant-free e ... ons.Embankments usually are built to reserve water and create differences in water levels. Lakes in high altitudes are also used for the same purposes.Advantages: The only cost of hydro electricity is ...

(6 pages) 294 1 3.6 Jun/2003

Subjects: Science Essays > Physics

How to preserve and restore photographs.

UITABLE ENVIRONMENTPhotographic materials require a cool, dry, well-ventilated storage environment. High temperature and relative humidity increase deterioration and promote the growth of mould and mi ... , abrasion, alteration, or loss of binder and image.Photographs or negatives adhered to enclosures: High-humidity environments or direct exposure to liquids can cause photographs to adhere to frame gl ...

(3 pages) 62 0 4.3 Jul/2003

Subjects: Art Essays

Cummberland metal product marketing case.

in 1963 to over $18,500,000 in 1979. Currently, CMI relies heavily on SlipSeal, which is used as a high-temperature sealant in automobiles. Although CMI dominates the market for this product, corpora ... termining the marketing strategy.C. Marketing Strategy1. Is it more important for CMI to strive for high profits or build for market share? How price sensitive is the market? CMI must determine whethe ...

(21 pages) 438 0 3.6 Jul/2003

Subjects: Businesss Research Papers

This is explaining fusion.

ween two positively charged nuclei. For fusion to occur, the two nuclei must approach each other at high speed to overcome the electrical repulsion and attain a sufficiently small separation (less tha ... ust under go fusion: that is to say, a gas of fusing nuclei must be produced. In a gas at extremely high temperature, the average nucleus contains sufficient kinetic energy to undergo fusion. Such a m ...

(11 pages) 71 0 4.8 Nov/2003

Subjects: Science Essays > Physics

An experiment to look at the effect of 1 factor on an enzyme

perature no oxygen would be produced. This is because I believe the enzyme will denature due to the high temperature ( ie the tertiary structure will change ). Due to the denaturation of the enzyme, n ... n will be produced.I also feel it is important to note that the H2O2 is an unstable compound and at high temperatures (100"aC) it will decompose by itself.ApparatusFor my experiment I will need the fo ...

(6 pages) 51 1 4.7 Mar/2004

Subjects: Science Essays > Biology

Volcanoes, What is a Volcano,The types of volcanoes,How are Volcanoes formed,How is magma turned to lava.

.Cinder cones are cone shaped volcanoes some are no more than a few meters and others get as big as high as 610 meters sometime more. Most of the tallest volcanoes are composite volcanoes. These form ... fluid lava followed by explosive eruptions of viscous lava.How is Magma turned into Lava?Extremely high temperature and pressure cause the rock to melt and become liquid rock or magma. When a large b ...

(1 pages) 52 0 5.0 Jun/2004

Subjects: Science Essays > Earth Sciences > Geography

Tragically Forced to Choose A Novel Study on The Crucible-Arthur Miller Written by Alison Friedt

hcraft.According to the Webster's Dictionary, a crucible is "a vessel in which metal is heated to a high temperature and melted for the purposes of casting". It can also be referred to a situation in ... is adultery. Such a profession would destroy his name, and Proctor is, above all, a proud man holds highly his status and reputation. He eventually makes an attempt to name Abigail as a fraud without ...

(5 pages) 36 1 4.3 Dec/2004

Subjects: Literature Research Papers

Scientists during wartime: Is it their duty to do everything in their power to aid their nation?

this very scientist, thus the process is named "Haber Process" after him. He devised a way of using high pressure (approximately 3000 pounds per square inch) and high temperature (about 500 degrees Ce ... oritizing it above his nations war schemes.A scientist should place his moral and ethical values in higher regard than his duty and obligation to aid his country during wartime because ultimately what ...

(4 pages) 36 0 3.0 Jan/2005

Subjects: Science Essays

Biology Investigation How Light Affects Photosynthesis

arbon dioxide (C02) Size (surface area of plant) Amount of water (H2O)Temperature: At high temperature the plant cannot photosynthesise because the chlorophyll enzymes are damaged. Enzym ... plant cannot photosynthesise because the chlorophyll enzymes are damaged. Enzymes are denatured at high temperatures.Light: In the dark, plants cannot photosynthesise at all. In dim light, they can p ...

(10 pages) 63 0 4.0 May/2005

Subjects: Science Essays > Zoology

Summary on Carbon Fibres

physical and chemical propertiesCarbon/graphite fibres are filamentary forms of carbon produced by high-temperature processing of one of three precursor materials: rayon (regenerated cellulose), pitc ... een 5 and 15 µm. Carbon fibres are flexible and electrically and thermally conductive, and in high performance varieties have high Young's modulus (cooefficient of elasticity measuring the softn ...

(8 pages) 37 0 4.2 Jan/2006

Subjects: Science Essays > Chemistry

Experiment on the Decomposition of a Carbonate

l, the more stable is the carbonate. Thus, the carbonates of sodium and potassium are stable at the highest temperature of a Bunsen burner flame, whereas the carbonates of silver and copper are easily ... and copper are easily decomposed. In this experiment copper (ii) carbonate will be decomposed at a high temperature, forming copper (ii) oxide and carbon dioxide:CuCO3(s) arrow CuO(s) + CO2(g)You wil ...

(2 pages) 17 0 0.0 Mar/2006

Subjects: Science Essays > Chemistry

Rudolf Diesel

eat Engine," in which he described an engine in which air is compressed by a piston to a very high pressure, causing a high temperature. Fuel is then injected and ignited by the compression temp ... nges while trying to make the perfect engine. He tried to raise the temperature of pure air to very high degree through vigorous compressions. At this high temperature when the piston was beginning to ...

(3 pages) 820 0 0.0 Nov/2001

Subjects: Businesss Research Papers

Research paper on Nanocrystalline Material

al advances is the idea of Nano-technology. This technology works with materials so small only very high-powered microscopes that can view up to a nanometer (1 x 10-9m.) can display them. With Nano-te ... stalline material, a plasma arc system must be constructed. The plasma arc system will vaporize the high purity precursor material, the material used to get Nanocrystalline material, in a chamber by u ...

(3 pages) 18 0 4.0 Oct/2007

Subjects: Science Essays > Engineering > Mechanical Engineering

Solubility Curves

water, before boiling, it sunk to the bottom-the potassium nitrate dissolved in the water at a very high temperature-some white residue was splattered onto the side of the test tube-after dissolving, ... ould have gotten attached to the stick and been transferred to a different test tube resulting in a higher or lower concentration of potassium nitrate in each test tube. This would have changed the te ...

(5 pages) 7 0 0.0 Dec/2007

Subjects: Science Essays > Chemistry

Silicone Implant History

gh to be completely inert - not reacting to any chemicals in the body. Silicones are very stable at high temperature, which allows them to be easily sterilized and used during surgery or as implants o ... ear, experts for the National Cancer Institute and the National Institutes of Health, prompted by a high incidence of cancer among women with breast implants, convened a symposium on "immunology of si ...

(2 pages) 628 0 0.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Diseases

Diffusion Lab

fusion works. The experiment proves that diffusion which is the movement of molecules from areas of high concentration to areas of low concentration through a semi-permeable membrane is correct. In or ... spontaneous movement caused by thermal agitation and in dissolved substances move from a region of higher to one of lower concentration. Osmosis is a process of absorption or diffusion suggestive of ...

(4 pages) 26 0 0.0 Jun/2008

Subjects: Science Essays > Biology

Financial Management Analysis

to start and establish a new business within this sector. Olympics will start in summer and due to high temperature people require quick snacks and drinks. Following business proposal has been writte ... products, but the difference is not huge due to competition in place.Following table shows Low and High prices for the different products.Low End PriceMedium PriceHigh PriceCoke Cola 330ml ...

(7 pages) 11 0 0.0 Feb/2011

Subjects: Businesss Research Papers > Accounting