Results 61 to 70 of about 2,062,209 (334)

Transgénicos : ¿20 años alimentando o engañando al mundo? [PDF]

, 2013
Persisten los mitos y crecen las mentiras, vivamente alimentadas por la industria, sobre los supuestos beneficios de los cultivos transgénicos. Estos engaños se pueden resumir en cinco: que alimentarán al mundo, que producen más, que eliminarán el uso de
GRAIN
core  

Inertia emulation control strategy for VSC-HVDC transmission systems [PDF]

, 2013
There is concern that the levels of inertia in power systems may decrease in the future, due to increased levels of energy being provided from renewable sources, which typically have little or no inertia.
Adam, Grain Philip, Booth, Campbell, Bright, C.G., Roscoe, Andrew, Zhu, Jiebei   +4 more
core   +1 more source

Numerical Studies of Influencing Factors on the Homogeneity of the Powder Mixture during the Powder Spreading Process of Powder Bed Fusion–Laser Beam/Metal

Advanced Engineering Materials, EarlyView.
AISI 304L stainless steel powder is mixed with silicon nitride (Si3N4) powder and processed by PBF‐LB/M, allowing partial retention of Si3N4. The numerical approach effectively predicts the Si3N4 powder homogeneity and N content distribution on the powder bed. Recent studies have focused on the alloying of nitrogen (N) in high‐alloy stainless steels by
Yuanbin Deng, Ziping Sang, Jiali Zhang, Felix Radtke, Louis Becker, Simone Herzog, Sebastian Weber, Christoph Broeckmann   +7 more
wiley   +1 more source

¿Quién hay detrás de la Agricultura Climáticamente Inteligente? [PDF]

, 2015
Esto de la Agricultura Climáticamente Inteligente (ACI) se ha oído sin cesar en los diferentes espacios de la Conferencia del Clima de París, COP21, como una palabra mágica que puede resolver parte del problema de las emisiones que contribuyen al cambio ...
GRAIN
core  

Very high energy gamma-rays and the Hubble parameter

, 2009
A new method, based on the absorption of very high-energy gamma-rays by the cosmic infrared background, is proposed to constrain the value of the Hubble constant.
Barrau, A., Gorecki, A., Grain, J., Memola, E.   +3 more
core   +3 more sources

Development of Ternary Magnesium Alloys for Laser Powder Bed Fusion: Optimizing Oxide Layer Thickness

Advanced Engineering Materials, EarlyView.
Additive manufacturing of magnesium alloys by laser is difficult because the melting point of the oxide layer is much higher than the evaporation temperature of the metal underneath. Making the oxide layer thinner can solve this problem. Alloying magnesium with strontium makes the oxide layer thinner, especially at 0.5 wt%.
Elmar Jonas Breitbach, Stefan Julmi, Sabine Behrens, Tatiana Blank, Arvid Abel, Nicole Emminghaus, Ludger Overmeyer, Christian Klose, Hans Jürgen Maier   +8 more
wiley   +1 more source

Total Phenolic and Yellow Pigment Contents and Antioxidant Activities of Durum Wheat Milling Fractions

Antioxidants, 2017
The aim of this study was to investigate the distribution of total yellow pigments, total phenolic compounds, and their antioxidant activities in various durum wheat milling fractions.
Bin Xiao Fu, Constance Chiremba, Curtis J. Pozniak, Kun Wang, Shin Nam   +4 more
doaj   +1 more source

Study on Detection of Psocids Annual Occurrence in Wheat Flour Warehouse in Guangzhou

Liang you shipin ke-ji, 2020
Psocids occurrence was detected in flour warehouse from March-2017 to February-2018 by a corrugated board trap. The location of psocids and its relationship with temperature and humidity were analyzed by geostatistics contour mapping technology.
HE Li-li, WANG Dian-xuan, GUO Chao, LIN Qian, WANG Li-na, LIU Zi-li, CHEN Liang, ZHANG Shao-bo, WANG Zhi-ying   +8 more
doaj   +1 more source

Campo y crisis climática [PDF]

, 2010
Contiene la nota "Y en el estado español, ¿qué?", de la Coordinadora de Organizaciones de Agricultores i Ganaderos (COAG).El sistema industrial de alimentos es incapaz de garantizar la alimentación de las personas y las necesidades de subsistencia en un ...
GRAIN
core   +1 more source

Astrophysical Production of Microscopic Black Holes in a Low Planck-scale World

, 2005
In the framework of brane-world models lowering the Planck scale to the TeV range, it has recently been pointed out that small black holes could be formed at particle colliders or by neutrinos interactions in the atmosphere.
A. Barrau, Barrau A., C. Feron, J. Grain
core   +4 more sources