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South African Journal of Science and Technology最新文献

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Clinic garden survey in the Ngaka Modiri Molema district municipality, North-West Province: Vegetation, management and social issue 西北省Ngaka Modiri Molema区市镇诊所花园调查:植被、管理和社会问题
South African Journal of Science and Technology Pub Date : 2014-09-18 DOI: 10.4102/SATNT.V33I1.1233
Ș. Mare, S. Cilliers
{"title":"Clinic garden survey in the Ngaka Modiri Molema district municipality, North-West Province: Vegetation, management and social issue","authors":"Ș. Mare, S. Cilliers","doi":"10.4102/SATNT.V33I1.1233","DOIUrl":"https://doi.org/10.4102/SATNT.V33I1.1233","url":null,"abstract":"Clinic garden survey in the Ngaka Modiri Molema district municipality, North-West Province : vegetation, management and social issue\u0000This study focused on the relationship between the environment, socio-economics and health aspects of rural Tswana communities and their clinic gardens. The results provided insight on species diversity and purposes, reasons for managing clinic gardens as well as available resources for improving and possible up-scaling to community gardens.","PeriodicalId":30428,"journal":{"name":"South African Journal of Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70517224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interesting seabird parasites 有趣的海鸟寄生虫
South African Journal of Science and Technology Pub Date : 2014-09-18 DOI: 10.4102/SATNT.V33I1.1236
E. Ueckermann, H. Heyne, L. Tiedt
{"title":"Interesting seabird parasites","authors":"E. Ueckermann, H. Heyne, L. Tiedt","doi":"10.4102/SATNT.V33I1.1236","DOIUrl":"https://doi.org/10.4102/SATNT.V33I1.1236","url":null,"abstract":"Interesting seabird parasites\u0000Mite parasites of the family Hypoderatidae were brought to our attention. These parasites were found in the pectoral subcutaneous tissue of White-breasted Cormorant, African Darter and Cape Gannet. SEM studies revealed the absence of a mouth opening, a small anal pore and long body and leg setae.","PeriodicalId":30428,"journal":{"name":"South African Journal of Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70517457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of sport specific exercises on the visual skills of adult rugby players 体育专项训练对成年橄榄球运动员视觉技能的影响
South African Journal of Science and Technology Pub Date : 2014-09-18 DOI: 10.4102/SATNT.V33I1.1234
P. J. V. Vuuren, E. Henning, M. Kleynhans, H. Terblanche, D. Crafford, C. Grobbelaar, S. Gray, P. Wood, C. Grant, D. V. Rensburg, P. Kruger, P. D. Toit
{"title":"The effect of sport specific exercises on the visual skills of adult rugby players","authors":"P. J. V. Vuuren, E. Henning, M. Kleynhans, H. Terblanche, D. Crafford, C. Grobbelaar, S. Gray, P. Wood, C. Grant, D. V. Rensburg, P. Kruger, P. D. Toit","doi":"10.4102/SATNT.V33I1.1234","DOIUrl":"https://doi.org/10.4102/SATNT.V33I1.1234","url":null,"abstract":"The effect of sport specific exercises on the visual skills of adult rugby players\u0000The purpose of this study was to determine if sport specific exercises will improve the visual performance of male rugby players. Twenty six adult male rugby players, aged 18-26, participated in order to evaluate the effect of sport specific exercises on visual skills. Significant improvements were seen.","PeriodicalId":30428,"journal":{"name":"South African Journal of Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70517278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Comparing the numbers of four bird species, House Sparrow, Cape Glossy Starling, Laughing Doves and Cape Turtle Dove in Gauteng and Limpopo 比较豪登省和林波波省四种鸟类的数量，分别是家麻雀、角亮角椋鸟、笑鸽和角斑鸠
South African Journal of Science and Technology Pub Date : 2014-07-10 DOI: 10.4102/SATNT.V33I1.1264
L. Steyn, J. Maina
{"title":"Comparing the numbers of four bird species, House Sparrow, Cape Glossy Starling, Laughing Doves and Cape Turtle Dove in Gauteng and Limpopo","authors":"L. Steyn, J. Maina","doi":"10.4102/SATNT.V33I1.1264","DOIUrl":"https://doi.org/10.4102/SATNT.V33I1.1264","url":null,"abstract":"Comparing the numbers of four bird species, House Sparrow, Cape Glossy Starling, Laughing Doves and Cape Turtle Dove in Gauteng and Limpopo\u0000Three of the species showed significant declines in one or both province. The Cape Glossy Starlings was the only specie to show an increase in both provinces.","PeriodicalId":30428,"journal":{"name":"South African Journal of Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70517154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Energy system contribution and correlates to performance in a 2000 m rowing ergometry time trial in South African rowers 能源系统的贡献和相关的表现在2000米赛艇几何计时赛在南非赛艇运动员
South African Journal of Science and Technology Pub Date : 2014-07-10 DOI: 10.4102/SATNT.V33I1.1274
J. Clark, P. D. Toit, E. Kruger
{"title":"Energy system contribution and correlates to performance in a 2000 m rowing ergometry time trial in South African rowers","authors":"J. Clark, P. D. Toit, E. Kruger","doi":"10.4102/SATNT.V33I1.1274","DOIUrl":"https://doi.org/10.4102/SATNT.V33I1.1274","url":null,"abstract":"Energy system contribution and correlates to performance in a 2000 m rowing ergometry time trial in South African rowers\u0000Exercise physiologists and coaches frequently base training objectives on physical and physiological demands of sports, including relative contributions of energy supply mechanisms during the activity. Oxidative and non-oxidative metabolic contributions to 2000 m rowing ergometry have been studied previously in rowers of various abilities and using different methods, but never on a group of elite athletes. The results of this study have practical implications for athlete profiling, sport classification and time trial performance interpretation.","PeriodicalId":30428,"journal":{"name":"South African Journal of Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70517215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Organic-inorganic hybrid materials from metal halides 金属卤化物的有机-无机杂化材料
South African Journal of Science and Technology Pub Date : 2014-06-13 DOI: 10.4102/SATNT.V33I1.1003
C. Slabbert
{"title":"Organic-inorganic hybrid materials from metal halides","authors":"C. Slabbert","doi":"10.4102/SATNT.V33I1.1003","DOIUrl":"https://doi.org/10.4102/SATNT.V33I1.1003","url":null,"abstract":"Organic-inorganic hybrid materials from metal halides. The materials we study combine organic components and metal halides, leading to the formation of organic-inorganic hybrid materials. These materials retain and combine the desired inherent properties of both constitutional moieties, rendering them multifunctional. The effects of change in variables on the structural trends in the crystal systems were investigated. Characterisation was done employing single crystal and powder X-ray diffraction.","PeriodicalId":30428,"journal":{"name":"South African Journal of Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70516595","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The economic impact of taxation on mine water in South Africa 南非矿山用水税收的经济影响
South African Journal of Science and Technology Pub Date : 2014-04-11 DOI: 10.4102/SATNT.V33I1.780
Jacolien Steyn, E. Kleynhans
{"title":"The economic impact of taxation on mine water in South Africa","authors":"Jacolien Steyn, E. Kleynhans","doi":"10.4102/SATNT.V33I1.780","DOIUrl":"https://doi.org/10.4102/SATNT.V33I1.780","url":null,"abstract":"Waterbesoedeling deur myne is ’n groot probleem in Suid-Afrika. Hierdie studie ondersoek die bydrae wat ’n bykomende belasting op die mynwese kan lewer. In die verlede is aandag aan die stygende vraag na waterhulpbronne deur middel van aanbodkantmeganismes gegee. Myne is die grootste besoedelaar van drinkwater in Suid-Afrika en die vraag is of dit steeds die aangewese manier is om die probleem te probeer oplos. Hierdie studie stel voor dat die owerheid eerder ’n bykomende belasting op myne behoort te hef en ondersoek dan wat die uitwerking daarvan op die vraag na water sal wees, sowel as op besoedeling, en watter effek dit op die land se ekonomie, die onderskeie nywerheidsektore en verbruikers sal he, en in besonder op die heel armes van die bevolking. Die navorsing het gevorderde ekonomies algemene ewewigsmodellering gebruik om die probleem empiries te ondersoek. Die resultate van die model is beduidend vir die scenario’s wat bestudeer is, beide op die kort en die lang termyn. Daar is bevind dat ’n bykomende belastingheffing op die verbruik van water deur myne wel die gewenste resultate sal lewer, met min negatiewe gevolge vir die bedryf en die land as geheel.","PeriodicalId":30428,"journal":{"name":"South African Journal of Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70517309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
2-Methoxyestradiol-3,17,0,0- bis -sulfamate (2MEBM) induces two types of cell death in a cervical adenocarcinoma cell line 2-甲氧基雌二醇-3,17,0,0-双氨基磺酸(2MEBM)诱导宫颈腺癌细胞系中两种类型的细胞死亡
South African Journal of Science and Technology Pub Date : 2013-12-19 DOI: 10.4102/SATNT.V32I1.810
S. Marais, B. A. Stander, A. Joubert
{"title":"2-Methoxyestradiol-3,17,0,0- bis -sulfamate (2MEBM) induces two types of cell death in a cervical adenocarcinoma cell line","authors":"S. Marais, B. A. Stander, A. Joubert","doi":"10.4102/SATNT.V32I1.810","DOIUrl":"https://doi.org/10.4102/SATNT.V32I1.810","url":null,"abstract":"This paper was initially delivered at the Annual Congress of the Biological \u0000Sciences Division of the South African Academy for Science and Art, ARC-Plant Protection Research Institute, Roodeplaat, Pretoria, South \u0000Africa on 01 October 2010.","PeriodicalId":30428,"journal":{"name":"South African Journal of Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2013-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4102/SATNT.V32I1.810","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70516488","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessment in mathematics: The need for a positive approach 数学评估:需要一个积极的方法
South African Journal of Science and Technology Pub Date : 2013-10-24 DOI: 10.4102/SATNT.V32I1.429
J. Maree
{"title":"Assessment in mathematics: The need for a positive approach","authors":"J. Maree","doi":"10.4102/SATNT.V32I1.429","DOIUrl":"https://doi.org/10.4102/SATNT.V32I1.429","url":null,"abstract":"Leerders se wiskundepunte het ’n potensieel ingrypende invloed op aspekte soos hul moontlike toelating tot universiteitstudie, beurse en indiensneming (en by verstek dus die ontwerp van hul toekoms, sukses en lewensgeluk). Om hierdie rede bestaan daar op nasionale vlak ernstige kommer oor die hoe uitvalsyfer, asook onbevredigende wiskundeprestasie op beide skool- en tersiere vlak. Hierdie artikel bied ’n kritiese refleksie op die eensydige wyse waarop assessering in  wiskunde  tans  plaasvind.  In  die  eerste  deel  van  die  artikel  word  krities  besin  oor  die eensydige fokus op ’n kwantitatiewe benadering in wiskundeklaskamers. Daarna verskuif die fokus na ’n beskrywing van en kritiese refleksie oor kwalitatiewe assessering in wiskunde. Die meriete van ’n gekombineerde kwantitatiewe + kwalitatiewe benadering tot leerfasilitering in wiskundeklaskamers word uitgestip. Daar word geargumenteer dat daar wegbeweeg behoort te word van ’n positivistiese na ’n positiewe benadering in wiskundeassessering en dat die eng  fokus  op  ’n  kwantitatiewe  syfer  of  simbool  as  aanduider  van  ’n  leerder  se  potensiaal om in wiskunde te presteer nie voldoende is nie. Daar is afgesluit met enkele aanbevelings vir  die  verkryging  van  ’n  meer  verantwoordbare  refleksie  van  die  stand  van  leerders  se wiskundevaardigheid en -vermoe op ’n bepaalde tydstip.","PeriodicalId":30428,"journal":{"name":"South African Journal of Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2013-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4102/SATNT.V32I1.429","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70516407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Opinions of Life Sciences teachers on genetically modified foods 生命科学教师对转基因食品的看法
South African Journal of Science and Technology Pub Date : 2013-10-22 DOI: 10.4102/SATNT.V32I1.757
J. G. Ferreira
{"title":"Opinions of Life Sciences teachers on genetically modified foods","authors":"J. G. Ferreira","doi":"10.4102/SATNT.V32I1.757","DOIUrl":"https://doi.org/10.4102/SATNT.V32I1.757","url":null,"abstract":"Die gebruik van geneties-gewysigde gewasse om hongersnood in veral arm lande die hoof te bied, is uiters kontroversieel en kan sosiale, ekonomiese en politieke implikasies he. Lewenswetenskap-onderwysers kan aan die kwessie aandag gee, en deur hul onderrig gebalanseerde inligting aan leerders en aan die gemeenskap deurgee. Nogtans moet onderrig nie bloot op kennisoordrag fokus nie; pogings moet ook aangewend word om veral leerders bewus te maak van die aard en impak van geneties-gewysigde gewasse en die ontwikkeling van ‘n wetenskaplike etiek. Die klem verskuif daarna om leerders uit alle bevolkingsgroepe te betrek en hulle te bemagtig om deur kritiese en reflektiewe denke weldeurdagte besluite te neem. Leerders moet derhalwe die geleentheid gebied word om ‘n wetenskaplike etiek te ontwikkel en om kontroversiele kwessies, soos die gebruik van geneties-gewysigde gewasse, te kan beredeneer. Bepaalde aanwysers wat tydens onderhoude met lewenswetenskap-onderwysers geidentifiseer is, word in die artikel bespreek.","PeriodicalId":30428,"journal":{"name":"South African Journal of Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2013-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4102/SATNT.V32I1.757","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70516423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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