Zobrazeno 1 - 8
of 8
pro vyhledávání: '"J. M. Steyn"'
Publikováno v:
Frontiers in Sustainable Food Systems, Vol 7 (2023)
Precise water management is imperative for sustainable crop production under irrigation in semi-arid regions with increasingly variable rainfall. Water use efficiencies achieved by farmers often differ widely, even within regions with homogenous agro
Externí odkaz:
https://doaj.org/article/5487396581504c40b1f4b242ffa0e83a
Autor:
Barend J. M. Steyn, Kim Nolte
Publikováno v:
Frontiers in Sports and Active Living, Vol 3 (2021)
The concept of ego has various meanings in the field of psychology, depending on the paradigmatic and theoretical framework point of departure. The ego phenomenon as operationalized and measured in the theoretical framework of goal orientation will b
Externí odkaz:
https://doaj.org/article/eaa2138059cd4bd8948958ecbfc24185
Publikováno v:
The Journal of Agricultural Science. :1-5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3689d4decd29de99605115f1c7e9c45d
https://doi.org/10.1017/s0021859623000229
https://doi.org/10.1017/s0021859623000229
Objective: The primary aim of this research was to determine the attitudes, beliefs and knowledge of talented young South African athletes regarding prohibited performance-enhancing drugs (PEDs) and anti-doping rules and regulations. Methods: This wa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c671f0c362e32b4967d94f494fc7d96
Publikováno v:
African Journal for Physical Activity and Health Sciences; Vol 8, No 1 (2002); 120-130
The purpose of this study was to determine the effect of intrapersonal (sport participant's relationship with him/herself), interpersonal relations (sport participant's relations with parents and coaches) and the relations between the goal orientatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::05acb6ebd0c2ba681d9b88eb1087b374
https://doi.org/10.4314/ajpherd.v8i1.24621
https://doi.org/10.4314/ajpherd.v8i1.24621
Publikováno v:
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde. 52(9)
When phenobarbitone was added to the treatment regimen of epileptic patients who received phenytoin only, the serum levels of phenytoin increased significantly within 6 weeks. Eleven weeks after the introduction of phenobarbitone, phenytoin levels ha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::ff8134aec261088b6b28c3600a99a0d8
https://pubmed.ncbi.nlm.nih.gov/897947
https://pubmed.ncbi.nlm.nih.gov/897947
Autor:
J M, Steyn, F O, Müller
Publikováno v:
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde. 57(4)
Two commercially available blood collection systems (Venoject and Vacutainer) were investigated for their effect on the plasma concentrations of a variety of drugs. Vacutainer tubes adversely affected the following drugs: propranolol, penbutolol and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::9611aec135a0bd2895a4e7d4d289409c
https://pubmed.ncbi.nlm.nih.gov/6773155
https://pubmed.ncbi.nlm.nih.gov/6773155
Publikováno v:
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde. 74(11)
The bio-availability of four warfarin tablet formulations--Marevan (AllenHanburys); Warfarin (Petersen); Coumadin (Boots) and Warfarin (Lennon)--administered as a single 10 mg oral dose, was compared in a single-blind cross-over study. Twelve healthy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::9a46ed199517412b20b9df753e74147c
https://pubmed.ncbi.nlm.nih.gov/3057655
https://pubmed.ncbi.nlm.nih.gov/3057655