Zobrazeno 1 - 10
of 23
pro vyhledávání: '"A. W. Steffan"'
Autor:
A. W. Steffan
Publikováno v:
Zeitschrift für Angewandte Entomologie. 70:267-277
Possibilities of genetical control in aphids (Homoptera: Aphidina). In principle, genetical control methods (sterile male technique, incompatibility technique) can be used in all holocyclic-heterogenetic aphid species, provided that the following bas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c7f54409b1069d19470095bc5b85eb1
https://doi.org/10.1111/j.1439-0418.1972.tb02180.x
https://doi.org/10.1111/j.1439-0418.1972.tb02180.x
Autor:
A. W. Steffan, Mechthild Stüben
Publikováno v:
Zeitschrift für Angewandte Entomologie. 80:56-69
Towards the elimination of the reproductive capacity of parthenogenetic females of Aphis fabae (Homoptera: Aphididae) after contact treatment with chemosterilants Aqueous solutions of hempa (1%, 2%), tepa (0.01%-0.04%), metepa (0.1%-0.4%), and thiote
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fabad1348bb32361c9513bce9fc49799
https://doi.org/10.1111/j.1439-0418.1976.tb03299.x
https://doi.org/10.1111/j.1439-0418.1976.tb03299.x
Autor:
A. W. Steffan, E. M. K. Hussein
Publikováno v:
Zeitschrift für Angewandte Entomologie. 80:69-72
The second nymphal instar of Aphis fabae Scop, was reared on leaves of the broad bean plant dipped in different water-metepa solutions for 24 hrs. After this time, the nymphs were transferred to fresh plants and studied for their biological activitie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbb7e88b6e2e1847efc3e892a56d808e
https://doi.org/10.1111/j.1439-0418.1976.tb03300.x
https://doi.org/10.1111/j.1439-0418.1976.tb03300.x
Autor:
Frank Lippert, Brian Sambor, Hartmut Heinrich Dr. Balzer, Allan G. W. Bradbury, Thomas Henle, W. Steffan
Publikováno v:
European Food Research and Technology. 222:467-471
Capillary electrophoresis (CE) and mass spectrometry have been used to verify the formation of lactosylated casein variants. CE was performed in a hydrophilically coated capillary at low pH and in the presence of urea. Lactosylated α-casein, β-case
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42390bff93ea456b3b1f6b777d8cbe12
https://doi.org/10.1007/s00217-005-0177-9
https://doi.org/10.1007/s00217-005-0177-9
Autor:
A. W. Steffan
Publikováno v:
Zeitschrift für Angewandte Entomologie. 52:307-309
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a299e07b2be6b22fe29843199118934b
https://doi.org/10.1111/j.1439-0418.1963.tb02041.x
https://doi.org/10.1111/j.1439-0418.1963.tb02041.x
Publikováno v:
ChemInform. 24
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d01c4a483e0c0651188776a8217785e6
https://doi.org/10.1002/chin.199344282
https://doi.org/10.1002/chin.199344282
Autor:
A. W. Steffan
Publikováno v:
Entomologia Generalis. 15:33-49
Description du comportement de cour chez la generation sexuee de puceron. Comparaison des mecanismes et de la signification des mouvements des pattes posterieures des femelles sexuees avec ce qui est observe chez d'autres especes. Estimation de l'imp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::185e295b9ec8730b14e7d50d9e871a5f
https://doi.org/10.1127/entom.gen/15/1990/33
https://doi.org/10.1127/entom.gen/15/1990/33
Publikováno v:
ChemInform. 35
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62f46ee530435a42aa48620769c4a2b9
https://doi.org/10.1002/chin.200449263
https://doi.org/10.1002/chin.200449263
Publikováno v:
Advances in Pectin and Pectinase Research ISBN: 9789048162291
The article describes the methods of step- and blockwise synthesis of homo- and rhamnogalacturonan fragments. Thus, glycosylation of the D-galacturonic acid ester derivative 17, which was prepared directly from D-galacturonic acid, with the thiogly-c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62cc25a617d06de21041779e4e1dca18
https://doi.org/10.1007/978-94-017-0331-4_16
https://doi.org/10.1007/978-94-017-0331-4_16
Autor:
A. W. Steffan
Publikováno v:
Zeitschrift für Angewandte Entomologie. 65:313-314
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::629cf49bab8ddfa7e581061584f7e802
https://doi.org/10.1111/j.1439-0418.1970.tb03986.x
https://doi.org/10.1111/j.1439-0418.1970.tb03986.x