Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Johannes Botha"'
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 11, Pp 849-859 (2024)
Abstract This work presents the effect of temperature change on the capacitance of silicon PIN diodes and the resulting change in performance of RF limiters at very high frequency (VHF). Device temperatures were varied between −25 ºC and 100 ºC,
Externí odkaz:
https://doaj.org/article/4980a546d7d449e09e8bb6ef3bc9c781
Autor:
Andre Venter, Johannes Botha
Publikováno v:
South African Journal of Science, Vol 107, Iss 1/2 (2011)
Nickel oxide (NiO) is a versatile wide band gap semiconductor material. At present, transparent conducting oxide films find application as transparent electrodes and window coatings for opto-electronic devices but most are n-type. However p-type cond
Externí odkaz:
https://doaj.org/article/bb8b2da5259646ce97c49d502429750e
Autor:
Bestbier, Johannes Botha
The shikimic acid pathway is one of the major biosynthetic pathways in higher plants responsible for the biosynthesis of aromatic amino acids (tryptophan, tyrosine and phenylalanine) and multiple secondary metabolites, such as lignin, phytoalexins an
Externí odkaz:
http://hdl.handle.net/2263/57292
Publikováno v:
Notulae Scientia Biologicae, Vol 2, Iss 3, Pp 67-71 (2010)
The deposition of callose and the damage-related symptoms subsequently expressed by infested plants were investigated after feeding on barley leaves by bird cherry-oat aphid (BCA), Rhopalosiphum padi L. Feeding by this aphid does not result in appear
Externí odkaz:
https://doaj.org/article/e7691b8cd7ff4ba496dc439ec015f22b
Autor:
Jean-Pierre Louis Serfontein, Oliver Damm, Natasha Sacks, Wouter Theron Gerber, Mattheus Johannes Botha
Publikováno v:
South African Journal of Industrial Engineering. 32
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7733202181ffff892c32f35fb1143b2c
https://doi.org/10.7166/32-4-2502
https://doi.org/10.7166/32-4-2502
Autor:
Christoffel Johannes Botha
Publikováno v:
Encyclopedia of Law and Religion
Externí odkaz:
https://doi.org/10.1163/2405-9749_elr_COM_00000020
Publikováno v:
Physiologia Plantarum; Feb2007, Vol. 129 Issue 2, p429-435, 7p, 3 Diagrams, 1 Chart