Results 81 to 90 of about 6,072 (220)

Plank theorems and their applications: A survey

open access: yesBulletin of the London Mathematical Society, Volume 58, Issue 1, January 2026.
Abstract Plank problems concern the covering of convex bodies by planks in Euclidean space and are related to famous open problems in convex geometry. In this survey, we introduce plank problems and present surprising applications of plank theorems in various areas of mathematics.
William Verreault
wiley   +1 more source

Soil Traversing Arthropod Populations as Sampled by Pitfall Traps in Sunflower and Three Adjacent Habitats in Northeast Arkansas [PDF]

open access: yes, 1982
Soil traversing arthropod populations were sampled by pitfall traps in sunflower (Helianthus spp.) and three adjacent habitats during the months of July, August and September of 1980 and May, June, July and August of 1981.
Barton, Harvey E., Lee, Linda A.
core   +2 more sources

Progress and Perspectives in Biomass Gasification Focusing on Feedstock Characteristics and System Adaptability

open access: yesInternational Journal of Chemical Engineering, Volume 2026, Issue 1, 2026.
Achieving carbon neutrality requires scalable low‐carbon technologies that can efficiently utilize renewable resources. Biomass gasification is a key thermochemical route for producing versatile synthesis gas for fuels and chemicals, yet large‐scale deployment is constrained by feedstock heterogeneity, tar formation, and ash‐related operational issues.
Junfei Shi   +14 more
wiley   +1 more source

CROSS-HEDGING COTTONSEED MEAL [PDF]

open access: yes
This study examines the feasibility of cross-hedging cottonseed meal with soybean meal futures. The Bayesian tests for market efficiency on the cash and futures price data soundly rejects the presence of nonstationary root.
Costa, Ecio de Farias   +2 more
core   +4 more sources

Influence of nutrient density and feed form on growth performance, nutrient digestibility and gastro intestinal tract development in broilers fed wheat-based diets : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Animal Science at Massey University, Manawatu, New Zealand [PDF]

open access: yes, 2019
Figures 2.1.& 2.2 have been removed for copyright reasons but may be accessed via their source.This study investigated the influence of nutrient density and feed form, and their interaction on growth performance, nitrogen-corrected apparent metabolisable
Hamungalu, Obright
core  

Modification of the existing maximum residue levels for prothioconazole in various crops

open access: yesEFSA Journal, Volume 24, Issue 1, January 2026.
Abstract In accordance with Article 6 of Regulation (EC) No 396/2005, the applicant Sipcam Oxon SpA submitted a request to the competent national authority in Greece to modify the existing maximum residue levels (MRLs) for the active substance prothioconazole in various crops.
European Food Safety Authority (EFSA)   +18 more
wiley   +1 more source

The Effect of Bedding Type on the Welfare Quality of Broiler Chickens

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The aim of this study was to investigate the effect of the bedding type on the welfare quality of broiler chicken kept in intensive breeding systems. The study was performed in two commercial farms (A and B) with different bedding (chopped straw in farm ...
Silvana Popescu   +4 more
doaj  

OILSEED ECONOMICS [PDF]

open access: yes
Crop Production/Industries,
Alderfer, Richard, Lazarus, William F.
core   +1 more source

Sunflower : an American native (1993) [PDF]

open access: yes, 1993
Of all crops harvested for seed around the world, only one was domesticated in America -sunflower. This widely adapted crop is now grown in every temperate region, including many parts of the U.S.
Minor, Harry C., Myers, Robert L.
core  

Energy Assessment of Pastoral Dairy Goat Husbandry from an Agroecological Economics Perspective. A Case Study in Andalusia (Spain) [PDF]

open access: yes, 2018
This paper presents a methodological proposal of new energy sustainability indicators according to a novel accounting that follows agroecological and ecological economics criteria.
Gutiérrez Peña, Rosario   +3 more
core   +1 more source

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