Results 131 to 140 of about 98,515 (313)
Efecto de factores ambientales en la actividad de la abeja y en el rendimiento de semilla de cebolla (Allium cepa L.) [PDF]
, 2019 Los polinizadores son necesarios para producir semillas de cebolla. Esta especie es uno de los principales cultivos hortícolas. Dos tipos de variedades de cebolla se cultivan principalmente en todo el mundo: híbridos y cultivares de polinización abierta (
Caselles, Cristian +2 more
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mLife, EarlyView.Abstract Biological nitrogen fixation in symbiotic diazotrophs is subject to oxygen regulation by an oxygen‐sensing FixLJ two‐component system under micro‐oxic conditions. However, it remains unclear whether this mechanism is conserved in free‐living diazotrophs.
Lingwei Cui +6 more
wiley +1 more source
Algal culture studies for CELSS [PDF]
Microalgae are well-suited as a component of a Closed Environmental Life Support System (CELSS), since they can couple the closely related functions of food production and atmospheric regeneration.
Arnett, K. +5 more
core +1 more source
Detoxification of water by semiconductor photocatalysis [PDF]
, 2004 An overview of the use of semiconductor photocatalysis for water purification is given. The basic principles of semiconductor photocatalysis are described along with the current understanding of the underlying reaction mechanism(s) and how it fits in ...
Lee, Soo-Keun, Mills, Andrew
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Amanita theophili sp. nov. (Amanitaceae) from central Mexico
Nordic Journal of Botany, EarlyView.Amanita theophili sp. nov., a member of Amanita sect. Amidella (Amanitaceae), is described from temperate pine‐oak forests in Morelos, central Mexico. Morphological features and phylogenetic analyses based on ITS and 28S rDNA sequences confirm its distinct taxonomic status. The new species is morphologically similar to A. peckiana and A.
Evangelina Pérez‐Silva +1 more
wiley +1 more source
Improved sampling and analytical procedure for nitrogen tetroxide and mixed oxides of nitrogen [PDF]
Sampling and analytical procedure for nitrogen tetroxide and mixed oxides of ...
Vango, S. P.
core +1 more source
Otolaryngology–Head and Neck Surgery, EarlyView.Abstract Objective Non‐echo‐planar diffusion‐weighted imaging (non‐EPI DWI) magnetic resonance imaging (MRI) has revolutionized postoperative cholesteatoma follow‐up, shifting from surgical to radiological evaluation. Yet, the timing for postoperative imaging remains contentious.
Amit Wolfovitz +4 more
wiley +1 more source
Policymaking Under Pressure: The Perils of Incremental Responses to Climate Change [PDF]
Federal policymakers' reluctance to enact a comprehensive climate change policy during the past decade has coincided with increased awareness of the inevitability and severity of the problems from global climate change.
Coglianese, Cary, D'Ambrosio, Jocelyn
core +1 more source
Indicator providing continuous indication of the presence of a specific pollutant in air [PDF]
, 1976 A continuous HCl in-air indicator was developed which consists of a tube-like element with an inlet end through which a continuous stream of air containing HCl enters.
Bartera, R. E., Miller, C. G.
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Permafrost and Periglacial Processes, EarlyView.ABSTRACT Under continued climate warming, understanding present‐day permafrost distribution and the controls on ground thaw are critical for predicting permafrost thaw trajectories and associated implications. This study presents a high‐resolution investigation of permafrost extent and active layer thickness (ALT) across a coniferous forested hillslope
Alana Muenchrath +2 more
wiley +1 more source