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Topic: Carbon-Carbon

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Carbon - Wikipedia, the free encyclopedia Carbon is used as a neutron moderator in nuclear reactors. The most prominent oxide of carbon is carbon dioxide, CO This is a minor component of the Earth's atmosphere, produced and used by living things, and a common volatile elsewhere. Carbon is a chemical element in the periodic table that has the symbol C and atomic number 6. en.wikipedia.org /wiki/Carbon   (2248 words)

Carbon (API) - Wikipedia, the free encyclopedia Carbon is often seen as a transitional or legacy technology, but in fact it is unlikely that large legacy codebases (eg, Adobe Photoshop, etc) ever will be completely rewritten for Mac OS X, and so it will necessarily remain a core part of the OS X operating system indefinitely. Carbon is Apple Computer's procedural API for the Macintosh operating system, which permits a good degree of forward and backward compatibility between source code written to run on the outdated Mac OS, and the newer Mac OS X. Carbon is often confused and/or compared with Cocoa, but the two are complementary and are solving different problems. en.wikipedia.org /wiki/Carbon_(computing)   (1376 words)

Carbon (C) - Chemical properties, Health and Environmental effects Carbon forms compounds with the halogens with CX as general formula, where X is fluorine, chlorine, bromine or iodine. Carbon dioxide is used in drinks carbonatation, in fire extinguishers and, in solid state, as a cooler (dry ice). Carbon is present in the atmosphere as carbon dioxide in 0,03% in volume. www.lenntech.com /Periodic-chart-elements/C-en.htm   (983 words)

Carbon Sequestration Carbon Sequestration in the Oceans: Enhancing the net oceanic uptake from the atmosphere by fertilization of phytoplankton with nutrients, and injecting CO to ocean depths greater than 1000 meters. Carbon sequestration refers to the provision of long-term storage of carbon in the terrestrial biosphere, underground, or the oceans so that the buildup of carbon dioxide (the principal greenhouse gas) concentration in the atmosphere will reduce or slow. Sequencing Genomes of Micro-organism for Carbon Management: Sequencing the genomes of microbes that produce fuels such as methane and hydrogen or aid in carbon sequestration, to allow an evaluation of their potential use to produce, for example, methane or hydrogen from either fossil fuels or other carbonaceous sources, including biomass or even some waste products. cdiac2.esd.ornl.gov   (409 words)

It's Elemental - The Element Carbon Carbon-14, a radioactive isotope of carbon with a half-life of 5,730 years, is used to find the age of formerly living things through a process known as radiocarbon dating. Carbon is most commonly obtained from coal deposits, although it usually must be processed into a form suitable for commercial use. Graphite, one of the softest materials known, is a form of carbon that is primarily used as a lubricant. education.jlab.org /itselemental/ele006.html   (706 words)

Global Carbon Cycle - The Woods Hole Research Center The second reason that carbon is of interest is because carbon, in the form of carbon dioxide (CO), is the major greenhouse gas released to the atmosphere as a result of human activities. When considered with the other terms in the global carbon equation (the atmosphere, fossil fuels, and the oceans), there is an apparent imbalance in the global accounting, and considerable effort has gone into explaining and finding this residual sink, or missing sink, of carbon. The difference between the total amount of carbon released to the atmosphere and the total amount withdrawn from the atmosphere determines whether the land is a net source or sink for atmospheric carbon. whrc.org /carbon/index.htm   (731 words)

Chemical of the Week -- Carbon Dioxide As carbon dioxide dissolves in sea water, an equilibrium is established involving the carbonate ion, CO The carbonate anion interacts with cations in seawater. Because the concentration of carbon dioxide in the atmosphere is low, it is not practical to obtain the gas by extracting it from air. According to the solubility rules, "all carbonates are insoluble except those of ammonium and Group IA elements." Therefore, the carbonate ions cause the precipitation of certain ions. scifun.chem.wisc.edu /chemweek/CO2/CO2.html   (660 words)

Carbon The different kinds of carbon have very similar (but not quite identical) chemical and mechanical properties; the main practical significance of the existence of different isotopes stems from the fact that carbon-14 is radioactive, with a half-life of a few thousand years. The carbon cycle is crucial to the way the Earth's ecosystem works: Plants absorb the carbon dioxide that makes up around 0.03% of our atmosphere and use the energy of sunlight to build sugar molecules from water and CO, a process known as photosynthesis. Another form of elemental carbon, the fullerene, was not observed until 1985, although the possibility of its existence had been suggested as long ago as 1966. fergusmurray.members.beeb.net /carbon.htm   (1376 words)

Chemistry : Periodic Table : carbon : key information Carbon is present as carbon dioxide in the atmosphere and dissolved in all natural waters. Organic chemistry, a 1/112th subset of inorganic chemistry, is the study of carbon and its compounds. Carbon is unique among the elements in the vast number of variety of compounds it can form. www.webelements.com /webelements/elements/text/C/key.html   (528 words)

Carbon Petroleum is to carbon as silica is to silicon. Carbon monoxide is created when carbon is burned in a deficiency of oxygen, as in charcoal fires, internal combustion engines, poorly drafted and vented heaters and furnaces, fuel gases, and in methane explosions in coal mines. Carbon is not black, or transparent, or soft, or hard, or a conductor, or a nonconductor--it all depends on structure. www.du.edu /~jcalvert/phys/carbon.htm   (16712 words)

The Carbon Cycle The carbon dioxide content of the atmosphere is gradually and steadily increasing. The concentration of carbon in living matter (18%) is almost 100 times greater than its concentration in the earth (0.19%). Carbon dioxide is transparent to light but rather opaque to heat rays. users.rcn.com /jkimball.ma.ultranet/BiologyPages/C/CarbonCycle.html   (972 words)

Vince Kelly's Carbon Fiber Home Page A summmary of typical properties of the various grades of carbon fibers is given by Toray, although the units of tensiometry are imperial (psi). Carbon fibers are used primarily in composites, these are structures containing two or more components, in the case of fiber reinforced composites this is the fiber and a resin. The superior properties of carbon fiber to steel and other metals meant that the aerospace industry was an obvious market for composite materials, the use of lighter materials in aircraft construction allows for fuel savings or a greater payload, Carbon fibers are used extensively in both military and civil aircraft structures. www.geocities.com /CapeCanaveral/1320   (2312 words)

BDG Graphite and Carbon Fibers Instead of the planar layers of carbon atoms which are found in graphite, carbon fibers consist of ribbons of carbon atoms aligned parallel to the axis of the fibers. Carbon fibers are also stabilized by resonance, but because the structure is irregular, the effect is not as extensive. The petroleum byproducts are similar to the polymers used in the carbon fiber process in that both contain chains of carbon atoms. www.chem.wisc.edu /~newtrad/CurrRef/BDGTopic/BDGtext/BDGGraph.html   (3278 words)

Getting Started With Carbon Carbon is a procedural C interface for Mac OS X. Whether you are writing a new application or porting one from another platform, Carbon is an excellent framework for developing on Mac OS X. If you're developing new applications and prefer an object-oriented interface, be sure to consider Cocoa. Carbon events are the primary messaging mechanism between your application and system software, handling user interactions as well as low-level events. If you are familiar with C programming but not with Carbon or Mac OS X, you want to learn how to design and implement a basic user interface and then learn how to build a Carbon application using Mac OS X development tools. developer.apple.com /referencelibrary/GettingStarted/GS_Carbon   (863 words)

Carbon Carbon dioxide and several carbonates are used infundamental chemistry as are carbon containing alcohols and oils. Although the name carbon comes from Roman times, the non-metallic element has been known, as charcoal, coal, diamonds and soot, since the dawn of mankind. Except for carbonates which were discovered in minerals, compounds that contain carbon are called organic compounds. chemlab.pc.maricopa.edu /periodic/C.html   (123 words)

USGCRP Carbon Cycle Science Program Rising atmospheric carbon dioxide concentration and its potential impact on future climate is an issue of global economic and political significance. Research will be coordinated and integrated to identify and quantify regional- to global-scale sources and sinks for carbon dioxide and other greenhouse gases and to understand how these sources and sinks will function in the future, providing essential information for future predictions of the state of the Earth system. Recent policy debates have demonstrated the need for a comprehensive, unbiased scientific understanding of sources and sinks of carbon dioxide on continental and regional scales, and how sinks might change naturally over time or be enhanced by human activities. www.carboncyclescience.gov   (372 words)

The Chemistry of Carbon In addition, carbon is a very special element because it plays a dominant role in the chemistry of life. On the other hand, in diamond each carbon atom is the same distance to each of its neighboring carbon atoms. The figure shown on the left is one form composed of 60 carbons. www.nyu.edu /pages/mathmol/textbook/carbon.html   (276 words)

Sources of Indoor Air Pollution - Carbon Monoxide Carbon monoxide (CO) is a colorless, practically odorless, and tasteless gas or liquid. Carbon monoxide is an odorless, colorless and toxic gas. The primary hazards to avoid when using a generator are carbon monoxide (CO) poisoning from the toxic engine exhaust, electric shock or electrocution, and fire. www.epa.gov /iaq/co.html   (1687 words)

GCP: Global Carbon Project Homepage - A organisation that is invoved in Carbon reseach and the effects on our planet. The scientific goal of the project is to develop a complete picture of the global carbon cycle, including both its biophysical and human dimensions together with the interactions and feedbacks between them. The growing realization that anthropogenic climate change is a reality has focused the attention of the scientific community, policymakers and the general public on the rising concentration of greenhouse gases, especially carbon dioxide (CO in the atmosphere, and on the carbon cycle in general. In recognition of the enormous scientific challenge and fundamental criticality of the issue for Earth sustainability, the Global Carbon Project (GCP) was established in 2001. www.globalcarbonproject.org   (175 words)

Carbon XEmacs My code of the Carbon XEmacs port was placed in the public domain when I released it back in February (it was spelled out in the headers of the source files added by the diff file). Here’s a fix that’ll allow Carbon XEmacs to be invoked with the -nw option through a remote shell. For a description of the features of Carbon XEmacs and stories about the port, please read My OS X Programming Blog. members.shaw.ca /akochoi-xemacs   (1442 words)

Carbon Calculator Experts state that, in the UK, emissions of carbon dioxide must be reduced by 60% - or more if other nations increase their use of fossil fuels. Your carbon dioxide emissions are estimated at 8467 kg per year. 8467 kg are approximately equivalent to the carbon dioxide emissions arising from any one of the following: 169340 hours use of a personal computer. www.bestfootforward.com /carbonlife.htm   (392 words)

Activated carbon, reactivation from Chemviron Carbon These activated carbons can be incorporated into bespoke engineered systems or any of our extensive range of liquid and vapour phase service equipment. Over 100 different types of activated carbon are available for applications including potable water, wastewater, sweetener, pharmaceutical, air and gas purification. Chemviron Carbon is a leading international manufacturer of activated carbons, purification systems and associated services. www.chemvironcarbon.com   (227 words)

Carbon Monoxide Poisoning A new study says people who are exposed to consistently high levels of noise and carbon monoxide could suffer a hearing loss up to 50 per cent worse than if they were exposed to just the noise alone. CHICAGO - People who survive a toxic encounter with carbon monoxide, one of the most common types of accidental poisoning in the United States, run a risk of death years later because of damaged heart muscle, according to a study published Tuesday. Authorities say two men in their 70s died of carbon monoxide poisoning after one of them left his car running in the garage attached to their condominium building. www.carbonmonoxidekills.com   (652 words)

Carbon County Wyoming FISHING - HUNTING - SNOWMOBILING - HIKING - HOT SPRINGS - EXPLORING In Carbon County, this divide splits and runs for miles apart. When you travel Wyoming, find it all in Carbon County! Rodeos, festivals, dances, parades, outdoor concerts, cutting events and woodchopping competitions all take place here in Wyoming Carbon County. www.wyomingcarboncounty.com   (485 words)

Post Carbon Institute Post Carbon Institute's mission is to assist societies in their efforts to relocalize communities and adapt to an energy constrained world. The Post Carbon Institute is an Initiative and operating unit of MetaFoundation, a non-profit organization chartered in Eugene, Oregon, United States. The Post Carbon Institute is an educational institution and think tank that explores in theory and practice what cultures, civilisation, governance & economies might look like without the use of (non-renewable) hydrocarbons as energy and chemical feedstocks. www.postcarbon.org   (924 words)

Point Carbon Point Carbon is experiencing increased demand for our services and is looking to recruit several highly qualified and motivated... The price of carbon failed to make gains this morning despite higher gas and power prices, which in theory should increase demand for European Union allowances. Pilot project for carbon storage to be inaugurated in Denmark www.pointcarbon.com   (439 words)

The American Carbon Society The American Carbon Society, formerly the American Carbon Committee, was established with the express purpose of organizing U.S. conferences and workshops to promote interdisciplinary research and technology in the field of carbon science. The Carbon Conferences are major international conferences encompassing all areas of carbon science and research. The Society's Workshops provide focused forums for reporting single topics in carbon use in more depth. www.americancarbonsociety.org   (93 words)

Carbon Commerce This will become particularly important should the imposition of carbon (or energy) taxation become statutory, here in Ireland, as a result of our government signing the Kyoto agreement in 1997, which set legally binding limits on the emissions of greenhouse gases from individual industrial countries. These involve a range of approaches including the provision of sustainably managed forests, as a carbon sink, and the provision of alternative renewable energy sources. It is likely that credit trading will develop across international boundaries and carboncommerce intends to be a the forefront of any such developments. www.carboncommerce.com   (349 words)

Carbon County Pennsylvania Information Site The Carbon County Commissioners have provided funding and approval for this site as a public service to the residents of Carbon County as well as a gateway for the rest of the world to learn more about Carbon County. The site is maintained through the Carbon County Information Technology group and was originally created by NextGen Solutions of Stroudsburg, PA. It is our hope that this site will provide another method for obtaining information about Carbon County government. Carbon County hopes you will bookmark this site and visit it often. www.carboncounty.com   (195 words)

CO Headquarters - Home Page Carbon Monoxide Headquarters has been chosen as HMS Beagle's "Web Pick of the Day", and will be featured on our home page within the next few days with a link to your site. Be Aware of the The Carbon Monoxide Poisoning Syndrome. Today, Carbon Monoxide (CO) is the most commonly encountered and pervasive poison in our environment. www.coheadquarters.com /CO1.htm   (1273 words)

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