Results 11 to 20 of about 1,140,090 (288)

\u3ci\u3eUrophora Quadrifasciata\u3c/i\u3e (Diptera: Tephritidae), An Introduced Seedhead Fly New to Midwestern North America [PDF]

open access: yes, 2017
The Old World tephritid Urophora quadrifasciata, a gall-inducing seed- head fly, was released in western and eastern North America for the biological control of knapweeds, Centaurea spp. (Asteraceae). Its establishment in the West (BC, CA, ID, MT, OR, WA)
Wheeler, A. G, Jr.
core   +2 more sources

Miniconference on astrophysical jets [PDF]

open access: yes, 2005
This miniconference brought together observers of astrophysical jets, analytic and numerical modelers of both astrophysical jets and spheromaks, and laboratory experimentalists. The purpose of the miniconference was to encourage interaction between these
Bellan, P. M.
core   +1 more source

Blocks of minimal dimension [PDF]

open access: yes, 2007
Any block with defect group P of a finite group G with Sylow-p-subgroup S has dimension at least |S|2/|P|; we show that a block which attains this bound is nilpotent, answering a question of G.
Linckelmann, M.
core   +1 more source

Historici, ingenieurs en techniek. Over de relatie tussen techniekgeschiedenis en algemene geschiedenis

open access: yesBMGN: Low Countries Historical Review, 1998
H.W. Lintsen, Geschiedenis van de techniek in Nederland. De wording van een moderne samenleving 1800-1890, I, Techniek en modernisering, landbouw en voeding H.W. Lintsen, Geschiedenis van de techniek in Nederland.
C.A. Davids
doaj   +1 more source

Optically thick clumps: not the solution to the Wolf-Rayet wind momentum problem? [PDF]

open access: yes, 2004
The hot star wind momentum problem η = Mν∞/(L/c)» much greater than 1 is revisited, and it is shown that the conventional belief, that it can be solved by a combination of clumping of the wind and multiple scattering of photons, is ...
A. F. Kholtygin   +29 more
core   +2 more sources

Thibetana keili Efetov & Tarmann, a new species of the genus Thibetana Efetov & Tarmann, 1995, from Tibet (Lepidoptera: Zygaenidae, Procridinae, Artonini)

open access: yesSHILAP, 2017
A new species, Thibetana keili Efetov & Tarmann, sp. n., is described from Tibet (China). The characters of this species are compared with those of Artona postalba Elwes, 1890 (from Sikkim, India).
K. A. Efetov, G. M. Tarmann
doaj   +1 more source

Secuelas del noventa en Tucumán

open access: yesInvestigaciones y Ensayos, 2015
Los últimos tiempos de la presidencia Juárez Celman correspondieron, en Tucumán, al final de la administración de Lídoro Quinteros y el comienzo de la de Silvano Bores.
Carlos (h) Páez de la Torre
doaj   +2 more sources

Investigación en torno a los últimos emprendimientos y el supuesto suicidio de Eduardo Casey

open access: yesInvestigaciones y Ensayos, 2014
El trabajo analiza la vida del empresario argentino Eduardo Casey, quien luego de una carrera sumamente exitosa, quebró a causa de la crisis económica de 1890.
Carlos Newland
doaj   +2 more sources

Pôr em prática a reforma da antiga Academia: Dificuldades enfrentadas pela Escola Nacional de Belas Artes (1891-1895)

open access: yesVisualidades, 2017
Resumo: Este trabalho apresenta uma análise dos primeiros anos da Escola Nacional de Belas Artes, que se desdobram após a aprovação do decreto n.938 de 08 de novembro de 1890 que instituiu os novos estatutos da instituição.
Camila Dazzi
doaj   +1 more source

«[E]n utmærket dagbok»

open access: yesNordlit: Tidsskrift i litteratur og kultur, 2020
Artikkelen undersøker hvordan Hamsun bruker skisser og skisseestetikker i sin prosa fra 1890 til tidlig 1900-tall. Dersom skissen via Alison Byerlys «Effortless Art: The Sketch in Nineteenth-Century Painting and Literature» kan teoretiseres som et ...
Morten Auklend
doaj   +1 more source

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