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Results 381 - 390 of at least 637
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National Centre for Biotechnology Information (NCBI)
a national resource for molecular biology information - Department of Health and Human Services (HHS), National Inst. of Health (NIH), National Library of Medicine (NLM)
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Natsel & Drift
Programs to demonstrate natural selection and genetic drift - software
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Natural Resources Database
NRDB is a free GIS tool for developing and distributing environmental databases. It may be used for species and habitat recording.
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Nature and Science Widget
a widget showing latest news (with links) from Nature and Science - for Mac OS X Dashboard
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Naturefile 1.4
wildlife recording & collection management software for Mac (web archive site)
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NemaSYS
Centre for Biological Information Technology, University of Queensland - this is a multimedia package containing information on nematodes commonly found in crops and pastures around Australia. The information contained in NemaSYS gives you a greater understanding of the biology of these insidious pest, and also provides a sound background for monitoring and control
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Nestedness Temperature Calculator Program
The Nestedness Calculator measures the extent of the order present in nested presence-absence matrices, as well as provides a risk assessment of the extinction probability of the various species' populations isolated on islands of fragmented habitat
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Nitrogen Decision Aid
The Nitrogen Decision Aid is a computerized program that predicts the amount of N mineralized from planting to side-dress or 5-leaf growth-stage. By applying just enough N-fertilizer to reach the critical soil nitrate concentration it is possible reduce this waste. This model is designed for Northern climates that will have some frost in the soil during the winter - USDA Agriculutral Research Service (downloadable software)
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Noldus Information Technology
this commercial company provides professional software and instrumentation for the collection and analysis of behavioral data
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Nucleic Acid Nomenclature Widget
The Nucleic Acid Nomenclature widget displays general information on nucleic acids (symbol, meaning, complement and origin of designation) conformed with the IUPAC-IUB recommendations - for Mac OS X Dashboard
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