Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Joachim Wagner"'
Publikováno v:
Vertical External Cavity Surface Emitting Lasers. :63-107
Publikováno v:
physica status solidi (a). 212:986-991
Investigation of spectro-temporal characteristics of short-pulse generation from a violet–blue AlGaInN multi-section laser diode implemented in an external cavity is demonstrated. The front facet is coated with a single layer of anti-reflection coa
Autor:
Horst Raff, Joachim Wagner
Publikováno v:
Raff, H & Wagner, J 2014, ' Foreign Ownership and the Extensive Margins of Exports : Evidence for Manufacturing Enterprises in Germany ', World Economy, vol. 37, no. 5, pp. 579-591 . https://doi.org/10.1111/twec.12157
Raff, H & Wagner, J 2014, ' Foreign Ownership and the Extensive Margins of Exports : Evidence for Manufacturing Enterprises in Germany ' World Economy, vol 37, no. 5, pp. 579-591 . DOI: 10.1111/twec.12157
Raff, H & Wagner, J 2014, ' Foreign Ownership and the Extensive Margins of Exports : Evidence for Manufacturing Enterprises in Germany ' World Economy, vol 37, no. 5, pp. 579-591 . DOI: 10.1111/twec.12157
We examine how foreign ownership of a firm affects the variety of goods that the firm exports and the number of countries it trades with. We construct a simple theoretical model of how foreign ownership may affect these extensive margins of exports a
Autor:
Klaus Köhler, Wilfried Pletschen, Joachim Wagner, Michael Kunzer, Paul Börner, Thorsten Passow
Publikováno v:
physica status solidi c. 11:817-820
Resonant-cavity light-emitting diodes emitting at around 400 nm based on an undoped bottom AlInN/GaN distributed Bragg reflector (DBR) and a top dielectric SiO2/ZrO2 DBR with circular emitting apertures of diameters ranging from 5 to 200 µm are demo
Publikováno v:
Pediatric Blood & Cancer. 66:e27752
Background Epstein-Barr virus (EBV) is linked to a variety of malignancies; most endemic Burkitt lymphoma (BL) harbor EBV, whereas only a subset of the cases of sporadic BL is EBV positive. Procedure We retrospectively determined the herpesvirus sero
Autor:
Karsten Danielmeier, James Biggs, Xina Quan, Joachim Wagner, Dirk Schapeler, Enrico Orselli, Julia Hitzbleck, William D. Sutherland, Jens Krause, Tom Kridl, Stephan Nowak
Publikováno v:
Angewandte Chemie. 125:9581-9595
Wir prasentieren einen kurzen Ruckblick uber die Entwicklung und Anwendung dielektrischer Elastomere. In den vergangenen zehn Jahren hat die Bedeutung dieser Polymerklasse stetig zugenommen. Inzwischen setzen sich erste Produkte auf dem Markt durch,
Autor:
Jens Krause, Tom Kridl, Julia Hitzbleck, Karsten Danielmeier, Enrico Orselli, William D. Sutherland, Dirk Schapeler, Stephan Nowak, Joachim Wagner, James Biggs, Xina Quan
Publikováno v:
Angewandte Chemie International Edition. 52:9409-9421
We present the development and applications of dielectric elastomers. For the last 10 years the significance of this class of polymers has risen as more applications seem possible and first products have been commercialized.
Publikováno v:
The Anatomical Record. 296:1064-1082
Inner ear structures are compared among three major genera of the deep-sea fish family Melamphaidae (bigscales and ridgeheads). Substantial interspecific variation is found in the saccular otoliths, including the presence of a unique otolithic “spu
Autor:
Vincenzo Verardi, Joachim Wagner
Publikováno v:
The World Economy. 35:694-712
This paper makes three contributions. (1) It summarizes in tabular form a recent literature made of 36 micro-econometric studies for 16 different countries on the relationship between export destination and firm performance. (2) It reports estimates
Autor:
Kamran Forghani, Ferdinand Scholz, Thorsten Passow, Klaus Köhler, Richard Gutt, Lutz Kirste, Joachim Wagner, Wilfried Pletschen, Michael Kunzer
Publikováno v:
physica status solidi c. 9:794-797
Improving the internal quantum efficiency is still a major challenge for realizing efficient III-nitride-based light-emitting diodes (LEDs) with emission wavelengths below 365 nm. Here, we report on the influence of a very low In amount of less than