Results 41 to 50 of about 30,924 (178)

Amplifying ribbon extensometer [PDF]

open access: yes, 1977
A self-contained, nonelectrical strain gage capable of amplifying strain inputs and preserving the maximum strain measurement for later observance is ...
Alley, V. L., Jr., Mchatton, A. D.
core   +1 more source

De l’igname au manioc dans le golfe de Guinée : traite des esclaves et alimentation au royaume du Danhomè (XVIIe-XIXe siècle)

open access: yesAfriques, 2014
Before the introduction to the ancient Slave Coast of several plants with American origins, the diet was based on the consumption of cereals and tubers, namely millet, sorghum, rice and yams.
Dominique Juhé-Beaulaton
doaj   +1 more source

Chitosan–ozone coating for effective control of Penicillium growth and enhanced preservation of Ruichang yam

open access: yesJournal of Agriculture and Food Research
Ruichang yams are highly susceptible to postharvest respiration and decay owing to their brittle nature and vulnerability to fungal infections. This study examines the effectiveness of a chitosan coating containing aqueous ozone solution (CCCAO) in ...
Chao Sun   +5 more
doaj   +1 more source

May it Please Your Honor : Letters of Petition as Historical Evidence in an African Colonial Context [PDF]

open access: yes, 2010
This paper presents some preliminary conclusions drawn from an ongoing project which aims to collect and collate letters of petitions in colonial Nigeria as primary source for historians and other scholars.
Korieh, Chima J.
core   +1 more source

Comparaison des trajectoires d'innovation pour la sécurisation alimentaire des pays du Sud

open access: yesBiotechnologie, Agronomie, Société et Environnement, 2015
Comparison of innovation paths for food security in countries of the South. Description of the subject. The evolution of the concept of food security and of food securization emphasizes the multi-dimensionality of food challenges (quantity, quality ...
Temple, L.   +4 more
doaj  

The indigenization of catholicism on Flores [PDF]

open access: yes, 2010
From the very outset of European expansion, scholars have been preoccupied with the impact of proselytization and colonization on non-European societies. Anthropologists such as Margaret Mead and Bronislaw Malinowski, who witnessed these processes at the
Schröter, Susanne
core  

Shoot and plantlet regeneration from meristems of Dioscorea rotundata Poir and Dioscorea alata L. [PDF]

open access: yes, 2008
In vitro culture media capable of regenerating moderate to high shoots and/or plantlets from meristems of two yam species - Dioscorea rotundata and Dioscorea alata within comparable duration of 10 weeks as commonly obtained in other monocots and root and
Adeniyi, OJ   +3 more
core  

Recent Advances on Active Components and Functional Properties of Chinese Yam

open access: yesShipin gongye ke-ji
Yam as a medicinal and edible resource plant, is abundant in bioactive compounds including polysaccharides, polyphenols, allantoin, and saponins, these constituents endow yam with diverse functional properties, such as antioxidant, anti-diabetic, anti ...
Qi GUO   +6 more
doaj   +1 more source

Microorganisms asssociated with postharvest spoilage of yams

open access: yesAnnals of Tropical Research, 2000
This study isolated the microorganisms causing major spoilage of yams collected during a two-year period from various markets in Orissa, India. Seven fungal and two bacterial species (Erwinia sp.
R.C. Ray, M. Nedunzhiyan, C. Balagopalan
doaj  

Influence of Cultivation Practices on Yield and Spoilage of Kponan Yam (Dioscorea cayenensis-rotundata) During Storage

open access: yesProceedings
The Kponan yam (Dioscorea cayenensis-rotundata) is a culturally and economically important crop in Côte d’Ivoire but faces significant post-harvest losses, reducing farmers’ and traders’ incomes.
Yapo Hypolithe Kouadio   +5 more
doaj   +1 more source

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