Results 71 to 80 of about 1,152 (221)

In situ Crystallization of Methanesulfonic Acid, CH3SO3H, and Serendipitous Single Crystal Formation of its Anhydride, (CH3)2S2O5

open access: yesZeitschrift für anorganische und allgemeine Chemie, Volume 650, Issue 13-14, July 2, 2024.
Abstract Methanesulfonic acid, CH3SO3H, has been crystallized using an in situ technique on a single crystal diffractometer. The crystal structure is monoclinic (P21/c, Z=4, a=842.07(4) pm, b=582.20(3) pm, c=820.38(4) pm, β=106.459(2)°) and stamped by the presence of strong hydrogen bonds.
David van Gerven   +4 more
wiley   +1 more source

Los precios y el impacto de la industria en el crecimiento económico: los casos inglés (1770-1840) y colombiano (1923-1998)

open access: yesLecturas de Economía, 2009
En este ensayo examinamos una de las consecuencias de un cambio técnico industrial en el conjunto de la economía. Las predicciones de nuestro modelo teórico son contrastadas con las evidencias de dos casos: el inglés (1770-1840) y el colombiano (1923 ...
Carlos Esteban Posada, Edgar Trujillo
doaj   +1 more source

Integrative Approach for the Identification and Delimitation of Orthops Species (Heteroptera, Miridae, and Mirinae) in the Palearctic

open access: yesJournal of Zoological Systematics and Evolutionary Research, Volume 2024, Issue 1, 2024.
Orthops is a widely distributed plant bug genus comprising 35 species. Its nominotypical subgenus includes seven species mostly known from the Palearctic, and four of them are widely distributed. Most of them live in sympatry having only little morphological differences. The species limits have never been tested using the molecular data.
Polina A. Dzhelali   +2 more
wiley   +1 more source

The Mezzogiorno and the single European market: complementary or conflicting aims?

open access: yesPSL Quarterly Review, 2013
The Mezzogiorno is the less prosperous region of Italy, located in the south of the country. The aims of an integrated market and potential monetary union in Europe may conflict with the aims of regional development because underdeveloped areas require ...
M. SARCINELLI
doaj   +1 more source

Start-ups and employment dynamics within and across sectors

open access: yes, 2011
Entrepreneurship, Employment growth, Regional development, Start-ups, J23, L26, M13, O52,
Martin Andersson   +5 more
core   +1 more source

Europa. 1:10582000 [PDF]

open access: yes, 1870
Coordenadas : E52 -O52 /N72 -N35 .
Lemercier
core   +1 more source

Planning and international integration in Soviet Germany

open access: yesPSL Quarterly Review, 2014
The German Democratic Republic has developed into a powerful member of the Soviet bloc, and yet little attention has so far been paid to it. The author argues that communist propaganda pictures developments in East Germany as a triumph of socialist ...
W.F. STOLPER
doaj   +1 more source

Convergence in per-capita GDP across European regions: a reappraisal [PDF]

open access: yes, 2006
Regional convergence, Median unbiased estimation, Heterogeneous panel models, C23, O40, O52, R11,
Peracchi, F   +6 more
core   +1 more source

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