Results 1 to 10 of about 331 (95)

An application of the theory of probabilities to the study of a priori pathometry.—Part I [PDF]

open access: yesProceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, 1916
Prefatory.—It is somewhat surprising that so little mathematical work should have been done on the subject of epidemics, and, indeed, on the distribution of diseases in general. Not only is the theme of immediate importance to humanity, but it is one which is fundamentally connected with numbers, while vast masses of statistics have long been awaiting ...
R. Ross, H. P. Hudson
openaire   +2 more sources

A box, a trough and marbles: How the Reed-Frost epidemic theory shaped epidemiological reasoning in the 20th century. [PDF]

open access: yesHist Philos Life Sci, 2021
The article takes the renewed popularity and interest in epidemiological modelling for Covid-19 as a point of departure to ask how modelling has historically shaped epidemiological reasoning.
Engelmann L.
europepmc   +4 more sources

Mathematical models of malaria--a review. [PDF]

open access: yesMalar J, 2011
Mathematical models have been used to provide an explicit framework for understanding malaria transmission dynamics in human population for over 100 years.
Mandal S, Sarkar RR, Sinha S.
europepmc   +5 more sources

Net blotch of barley (Hordeum vulgare), caused by Drechslera teres and its effect on yield

open access: yesAgronomía Mesoamericana, 2022
Introduction. Barley (Hordeum vulgare) net blotch (MR) causes yield losses estimated between 23 % to 44 %, as well as its malting quality. Objective. To evaluate over time the evolution of net blotch in different malting barley cultivars with and without
A. Petta, M. Lavilla
doaj   +1 more source

Efecto de tres arreglos de siembra sobre variables agronómicas, productivas y pato métricas en el cultivo de chiltoma (Capsicum annuum) en camas biointensivas

open access: yesRev. iberoam. bioecon. cambio clim., 2022
Capsicum annuum L, known in Nicaragua as chiltoma, is cultivated mainly in small production areas, in a monoculture system, intended for local markets, however production has been growing due to high market demand, said crop demands a lot attention and ...
Ridder Alberto Somarriba-Toruño, L. M.
semanticscholar   +1 more source

Endogenous social distancing and its underappreciated impact on the epidemic curve [PDF]

open access: yes, 2021
Social distancing is an effective strategy to mitigate the impact of infectious diseases. If sick or healthy, or both, predominantly socially distance, the epidemic curve flattens.
Gosak, Marko   +4 more
core   +1 more source

Escala diagramática para avaliação da severidade da mancha-de-micosferela em morangueiro Diagramatic scale to evaluate the mycosphaerella blight severity in strawberry

open access: yesCiência Rural, 2006
Uma escala diagramática com cinco níveis: 0,11; 0,51; 2,4; 10,2 e 34,9% foi desenvolvida e validada para quantificar a severidade da mancha-de-micosferela do morangueiro, causado por Mycosphaerella fragariae (Tul.) Lin.
Sergio Miguel Mazaro   +5 more
doaj   +1 more source

Products of Compartmental Models in Epidemiology. [PDF]

open access: yes, 2017
We show that many structured epidemic models may be described using a straightforward product structure in this paper. Such products, derived from products of directed graphs, may represent useful refinements including geographic and demographic ...
Porco, Travis C, Worden, Lee
core   +4 more sources

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