Zobrazeno 1 - 10
of 549
pro vyhledávání: '"David Pimentel"'
Autor:
Michael Burgess, David Pimentel
Publikováno v:
Agriculture, Vol 3, Iss 3, Pp 443-463 (2013)
Since humans worldwide obtain more than 99.7% of their food (calories) from the land and less than 0.3% from the oceans and aquatic ecosystems, preserving cropland and maintaining soil fertility should be of the highest importance to human welfare. S
Externí odkaz:
https://doaj.org/article/1ca73d1ec66646e7b624366a4809ad78
Autor:
David Pimentel
Publikováno v:
Energies, Vol 2, Iss 1, Pp 1-24 (2009)
Detailed energy outputs and inputs were assessed for the following crops, cultured in the U.S. and developing countries: corn, wheat, rice, soy, potato, cassava, tomato, citrus and apple. In addition, the labor input for each crop was analyzed.
Externí odkaz:
https://doaj.org/article/fe545d4ca98e4d29a1bd7b9690d8b6b3
Autor:
Robert McCormack, Gillian S. Paul, Marissa Karpoff, Megan A. Toth, Alison Marklein, David Pimentel, Tim Krueger, Joanna Kyriazis
Publikováno v:
Energies, Vol 1, Iss 2, Pp 41-78 (2008)
The rapidly growing world population and rising consumption of biofuels are increasing demand for both food and biofuels. This exaggerates both food and fuel shortages. Using food crops such as corn grain to produce ethanol raises major nutritional a
Externí odkaz:
https://doaj.org/article/6549ab20f38f4956816aa2bf0265c057
Autor:
Marcia Pimentel, David Pimentel
Publikováno v:
Energies, Vol 1, Iss 1, Pp 35-37 (2008)
Crops for biofuels squanders cropland, water, and energy resources vital for food production needed for people.
Externí odkaz:
https://doaj.org/article/948733c0f8e14255be74694c64cb044e
Autor:
David Pimentel
Publikováno v:
Ecology and Society, Vol 4, Iss 1, p 10 (2000)
Externí odkaz:
https://doaj.org/article/608ea38721b9407da1e8109c3482bcdd
Global Integrity Project has brought together leading scientists and thinkers from around the world to examine the combined problems of threatened and unequal human well-being, degradation of the ecosphere, and unsustainable economies. Based on the p
Autor:
Grace A. Moe, Timothy W. Koglin, Amanda Glazer, J.D. David Pimentel, Michael B. Lowry, Marianna M. Knysh, Ronald W. Pimentel
Publikováno v:
International Journal of Business and Applied Social Science. :26-38
Bike share, e-bike share, and e-scooter systems (shared micro-mobility) are gaining popularity throughout the United States and internationally, but the optimal system design has not been determined. This study investigated motivators and deterrents
Autor:
Tomas Baka, Dominique Croteau, Jordan Chambers, Huamei He, James Balschi, Fuzhong Qin, Wilson S Colucci, David Pimentel, Ivan Luptak
Publikováno v:
Circulation. 144
Background: It is well established that hearts with hypertrophic cardiomyopathy (HCM) are energy starved as reflected by a decreased phosphocreatine to ATP ratio that corresponds to increased ADP and decreased free energy of ATP hydrolysis (ΔG ~ATP
OBSERVAT��RIO DE POL��TICAS P��BLICAS, EMPREENDEDORISMO E CONJUNTURA DA USCS (CONJUSCS) Sob a Dire����o da Pr��-Reitoria de Gradua����o e da Pr��-Reitoria de P��s-Gradua����o, o Observat��rio ��
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5265ba51ed29f184cacec16f3110d2c4