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The Nitrogen Cycle (Popularity:  )
(Score: 15.80)
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/N/NitrogenCycle.html
An explanation of the different forms of nitrogen on earth, nitrogen fixation, decay, and nitrification.
Category:
Main\Kids and Teens\School Time\Science\The Earth
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Nitrogen Cycle (Popularity: )
(Score: 15.70)
http://homepages.nyu.edu/~pet205/nitrogen.html
Diagram, facts, nitrogen fixation methods, and what fixes nitrogen.
Category:
Main\Kids and Teens\School Time\Science\The Earth
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Liquid Nitrogen Safety (Popularity: )
(Score: 13.20)
http://webs.wichita.edu/facsme/nitro/safe.htm
Safety notes and concerns for liquid nitrogen demonstrations. Liquid nitrogen is a dangerous material.
Category:
Main\Reference\Education\K through 12\School Safety
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Stabilized Nitrogen Fertilizer Products from Agrotain International LLC (Popularity: )
(Score: 13.12)
http://www.stabilizednitrogen.com
UMAXX and UFLEXX - nitrogen efficiency products for the international urea fertilizer market. Products for professional lawn care, golf course maintenance and specialty applications. Includes animated stabilized nitrogen cycle demo.
Category:
Main\Business\Agriculture and Forestry\Horticulture\Turfgrass
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Nitrogen fixation (Popularity: )
(Score: 12.48)
http://academic.reed.edu/biology/Nitrogen/
This web site is not designed to be a comprehensive presentation on nitrogen fixation, but rather it is intended as a forum to present informative images that are not otherwise easily available.
Category:
Main\Science\Biology\Botany\Plant Physiology
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Nitrogen Fixation Research Center (Popularity: )
(Score: 12.47)
http://itzamna.cifn.unam.mx/
Studies on the biological fixation of nitrogen at the National Autonomous University of Mexico.
Category:
Main\Science\Biology\Botany\Plant Physiology
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International Nitrogen Services, LLC (Popularity: )
(Score: 12.44)
http://www.n2services.com/
Leases on-site non-cryogenic nitrogen production systems to the drilling, well servicing, pipeline and industrial sectors. Located in Houston, Texas. Offers technical explanations and documentation.
Category:
Main\Business\Energy and Environment\Oil and Gas\Tools and Equipment
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Best Management Practices for Nitrogen in Dairy (Popularity: )
(Score: 12.44)
http://www.nitrogen.unimelb.edu.au/
joint venture research into use of Nitrogen Fertiliser on Dairy pastures.
Category:
Main\Reference\Education\Colleges and Universities\Oceania
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The Nitrogen Cycle (Popularity: )
(Score: 12.36)
http://library.thinkquest.org/11353/nitrogen.htm?tqskip1=1&tqtime=1019
Learn about the nitrogen cycle, and how humans have made an impact on it. Includes a quiz.
Category:
Main\Kids and Teens\School Time\Science\The Earth
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JC Controls (Popularity: )
(Score: 12.36)
http://www.ln2.net/
Liquid nitrogen level controller. Automatic refill of liquid nitrogen traps.
Category:
Main\Business\Electronics and Electrical\Instrumentation\Level
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VBS Industries, Inc. (Popularity: )
(Score: 12.11)
http://www.vbsflex.com/
Liquid Nitrogen handling equipment, including vacuum insulated no-frost cryogenic transfer hoses. Also automatic dewar filling stations and liquid nitrogen controllers. In Campbell, California.
Category:
Main\Science\Technology\Cryotechnology\Equipment
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ENVEG - Nitrogen for Vegetables (Popularity: )
(Score: 11.97)
http://www.hri.ac.uk/enveg/
This is a European network representing fifteen countries set up to provide a forum for exchange of research information. Research findings on how to improve techniques of nitrogen fertilization are shared with researchers, industry and governments.
Category:
Main\Science\Agriculture\Horticulture\Vegetables
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Nitrogen Powered Car: CooLN2Car (Popularity: )
(Score: 11.80)
http://www.mtsc.unt.edu/CooLN2Car.html
New University of North Texas car uses cryogenic heat engine fueled/powered by liquid nitrogen: summary, FAQ, power train closeup, engine gas flow diagram.
Category:
Main\Science\Technology\Energy\Transportation
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JC Controls (Popularity: )
(Score: 11.66)
http://www.ln2.net
Manufacturer of liquid nitrogen level controllers and liquid nitrogen transfer systems. Formerly Johns Cryogenics. Also does custom LN2 designs and supplies LN2 accessories such as solenoid valves and transfer line kits. In Walnut Creek, CA.
Category:
Main\Science\Technology\Cryotechnology\Equipment
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Streams Reduce Nitrogen Pollution, Scientists Find (Popularity: )
(Score: 11.61)
http://news.nationalgeographic.com/news/2001/05/0504_smallstreams.html
Article describing the finding of scientists that small streams are extremely efficient at removing some of the excess nitrogen that is flowing into waterways, endangering fish and other forms of aquatic life.
Category:
Main\Kids and Teens\School Time\Science\The Earth
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Day4Death.com (Popularity: )
(Score: 11.52)
http://day4death.com
This site uses actual mortality and life expectancy tables to calculate your actual day of death, what you will most likely die from, and where you will die.
Category:
Main\Society\Death
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Nitrogen Cycle (Popularity: )
(Score: 11.47)
http://www.neuse.ncsu.edu/nitrogen/
An interactive diagram: you click on an aspect of the cycle or a state of nitrogen and the diagram will simplify to show you which part of the cycle it applies to.
Category:
Main\Kids and Teens\School Time\Science\The Earth
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Significance of anthropogenic nitrogen for central Baltic Sea N-cycling (SIGNAL) (Popularity: )
(Score: 10.84)
http://www.io-warnemuende.de/projects/signal/en_index.htm
Addresses the crucial question of the eutrophication sources and what impact additional nitrogen has on the productivity in remote regions. The investigation was carried out in the Baltic Sea where the impact of eutrophication is one of the main threats ...
Category:
Main\Science\Earth Sciences\Oceanography\Projects
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Guide for Writing a Funding Proposal (Popularity: )
(Score: 9.51)
http://www.learnerassociates.net/proposal/
Provides instructions on how to write a funding proposal and actual examples of a completed proposal. Designed as a tool for advanced graduate students and others to learn more about the actual proposal writing process.
Category:
Main\Reference\Education\K through 12\Supplemental Funding
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Nitrogen Cycle (Popularity: )
(Score: 8.94)
http://www.elmhurst.edu/~chm/onlcourse/chm110/outlines/nitrogencycle.html
A diagram and overview.
Category:
Main\Kids and Teens\School Time\Science\The Earth
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CF Industries, Inc. (Popularity: )
(Score: 8.84)
http://www.cfindustries.com/
Nitrogen, phosphate, and potash fertilizers.
Category:
Main\Business\Chemicals\Agrochemicals\Fertilizers
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Especiál Gas Inc.: Nitrogen (Popularity: )
(Score: 8.75)
http://www.c-f-c.com/specgas_products/nitrogen.htm
Numeric data, uses, and general information.
Category:
Main\Science\Chemistry\Elements\Nitrogen
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Reactive nitrogen at root of lands waste, group says (Popularity: )
(Score: 8.75)
http://www.cnn.com/2000/NATURE/01/12/reactive.nitrogen.enn/index.html
[CNN]
Category:
Main\News\Online Archives\CNN.com\2000
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It's Elemental: Nitrogen (Popularity: )
(Score: 8.75)
http://education.jlab.org/itselemental/ele007.html
Basic physical and historical information.
Category:
Main\Science\Chemistry\Elements\Nitrogen
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Visual Elements: Nitrogen (Popularity: )
(Score: 8.66)
http://www.chemsoc.org/viselements/pages/nitrogen.html
Animation, uses, physical information, and key isotopes.
Category:
Main\Science\Chemistry\Elements\Nitrogen
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Nitrogen gas leak apparently caused missile test failure (Popularity: )
(Score: 8.66)
http://www.cnn.com/2000/US/02/08/missile.failure/index.html
[CNN]
Category:
Main\News\Online Archives\CNN.com\2000
|
Wikipedia: Nitrogen (Popularity: )
(Score: 8.57)
http://www.wikipedia.org/wiki/Nitrogen
Properties of the element, including its history, applications, and charateristics.
Category:
Main\Science\Chemistry\Elements\Nitrogen
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ChemicalElements.com: Nitrogen (Popularity: )
(Score: 8.57)
http://www.chemicalelements.com/elements/n.html
Basic information, atomic structure, and table of isotopes.
Category:
Main\Science\Chemistry\Elements\Nitrogen
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N2 Generation Ltd. (Popularity: )
(Score: 8.57)
http://www.n2gen.com/
Supplier of Nitrogen generators to the United Kingdom and International markets.
Category:
Main\Business\Chemicals\Basic Chemicals\Gases
|
WebElements: Nitrogen (Popularity: )
(Score: 8.48)
http://www.webelements.com/webelements/elements/text/N/key.html
Extensive information on history, uses, occurrence, compounds, and properties of the element.
Category:
Main\Science\Chemistry\Elements\Nitrogen
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Lenntech: Nitrogen (Popularity: )
(Score: 8.48)
http://www.lenntech.com/Periodic-chart-elements/N-en.htm
Physical data, chemical properties, health and environmental effects.
Category:
Main\Science\Chemistry\Elements\Nitrogen
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Carleton Life Support (Popularity: )
(Score: 8.48)
http://www.carletonls.com/
Manufacturing a range of oxygen and nitrogen generating systems.
Category:
Main\Business\Aerospace and Defense\Aeronautical\Aircraft and Components
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EnvironmentalChemistry.com: Nitrogen (Popularity: )
(Score: 8.48)
http://environmentalchemistry.com/yogi/periodic/N.html
Atomic structure, chemical and physical properties, and table of nuclides.
Category:
Main\Science\Chemistry\Elements\Nitrogen
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Ingasco Incorporated (Popularity: )
(Score: 8.39)
http://www.ingasco.com
Industrial gas manufacturer of oxygen, nitrogen, argon, compressed air, and acetylene. Philippines.
Category:
Main\Business\Chemicals\Basic Chemicals\Gases
|
JC Controls (Popularity: )
(Score: 8.39)
http://www.jccontrols.net/
Liquid nitrogen level contollers, sensors and alarms, automatic fill devices.
Category:
Main\Science\Instruments and Supplies\Laboratory Equipment\Refrigeration and Cold Storage
|
Animation of Nitrogen Cycle (Popularity: )
(Score: 8.39)
http://www.sp.uconn.edu/~terry/229sp03/lectures/Ncycleanim.html
Presents an active diagram of this process, together with a description of each stage and component.
Category:
Main\Kids and Teens\School Time\Science\The Earth
|
Air Products (Popularity: )
(Score: 8.30)
http://www.airproducts.com/food
Provides cryogenic batch and tunnel freezing, chilling and IQF equipment, liquid nitrogen, and MAP packaging gases.
Category:
Main\Business\Food and Related Products\Tools and Equipment
|
Midwest Microlab, LLC. (Popularity: )
(Score: 8.30)
http://www.midwestlab.com/
Specializing in organic microchemical, nitrogen, halogen, TOC, chloride and fluorine analysis at Indianapolis, IN.
Category:
Main\Science\Chemistry\Analytical\Products and Services
|
Norhof (Popularity: )
(Score: 8.22)
http://www.norhof.com
Manufacturer of microdosing liquid nitrogen pump including controller for adjusting low temperature. From Holland (Netherlands).
Category:
Main\Science\Technology\Cryotechnology\Equipment
|
Gas Control Systems, Inc. (Popularity: )
(Score: 8.14)
http://www.gascontrolsystems.com/
Supplying nitrogen generators, oxygen and carbon dioxide sensors and analyzers for all industries. Sparta, Michigan.
Category:
Main\Business\Chemicals\Basic Chemicals\Gases
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