Browsing Natural and Agricultural Sciences by Title

Browsing Natural and Agricultural Sciences by Title

Sort by: Order: Results:

  • An experimental and DFT study of the packing and structure of dithenoylmethane monocarbonylphosphine Rhodium(I) complex [Rh((C4H3S)COCHCO(C4H3S))(CO)(PPh3)] 
    Conradie, Marrigje Marianne; Van Rooyen, Petrus H. (Elsevier, 2018-08)
    [Rh((C4H3S)COCHCO(C4H3S))(CO)(PPh3)] crystals stack in one dimensional linear chains in the solid state, with slightly slipped π-stacking of the thienyl groups of one molecule and the β-diketonato backbone of a neighbouring ...
  • Experimental demonstration of dynamic temperature-dependent behavior of UiO-66 metal-organic framework : compaction of hydroxylated and dehydroxylated forms of UiO-66 for high-pressure hydrogen storage 
    Bambalaza, Sonwabo E.; Langmi, Henrietta Wakuna; Mokaya, Robert; Musyoka, Nicholas M.; Khotseng, Lindiwe E. (American Chemical Society, 2020-05)
    Please read abstract in the article.
  • Experimental duration determines the effect of arbuscular mycorrhizal fungi on plant biomass in pot experiments 
    Qin, Mingsen; Li, Lei; Miranda, Jean‐Pascal; Tang, Yun; Song, Bo; Oosthuizen, Maria Kathleen; Wei, Wangrong (Frontiers Media, 2022-11-03)
    Arbuscular mycorrhizal fungi (AMF) play various important roles in promoting plant growth. Numerous environmental and evolutionary factors influence the response of plants to AMF. However, the importance of the individual ...
  • Experimental inoculation of Egyptian fruit bats (Rousettus aegyptiacus) with Ebola virus 
    Paweska, Janusz Tadeusz; Storm, Nadia; Grobbelaar, Antoinette A.; Markotter, Wanda; Kemp, Alan; Jansen van Vuren, Petrus (MDPI Publishing, 2016-01-22)
    Colonized Egyptian fruit bats (Rousettus aegyptiacus), originating in South Africa, were inoculated subcutaneously with Ebola virus (EBOV). No overt signs of morbidity, mortality, or gross lesions were noted. Bats ...
  • Experimental manipulation of air temperature in captivity appears unsuitable for evaluating fecal glucocorticoid metabolite responses of wild-caught birds to heat exposure 
    Ngcamphalala, Celiwe Angel; Bouwer, Michelle; Nicolson, Sue W.; Ganswindt, Andre; McKechnie, Andrew E. (University of Chicago Press, 2021-09)
    Noninvasive measurement of stress-related alterations in fecal glucocorticoid metabolite (fGCM) concentrations has considerable potential for quantifying physiological responses to very hot weather in free-ranging birds, ...
  • Experimental simulation of long term weathering in alkaline bauxite residue tailings 
    Santini, Talitha C.; Fey, Martin V.; Gilkes, Robert J. (MDPI Publishing, 2015-07-14)
    Bauxite residue is an alkaline, saline tailings material generated as a byproduct of the Bayer process used for alumina refining. Developing effective plans for the long term management of potential environmental impacts ...
  • Experimental sources of variation in avian energetics : estimated basal metabolic rate decreases with successive measurements 
    Jacobs, Paul Juan; McKechnie, Andrew E. (University of Chicago Press, 2014-09)
    Basal metabolic rate (BMR) is one of the most widely used metabolic variables in endotherm ecological and evolutionary physiology. Surprisingly few studies have investigated howBMR is influenced by experimental and ...
  • Experimental verification and validation of a computer model for light–tissue interaction 
    Karsten, Aletta Elizabeth; Singh, Ann; Braun, Max Willi Hermann (Springer, 2012-01)
    Laser light is frequently used in both diagnostics and treatment of patients. For any laser treatment to be effective it is important to deliver the correct dose at the treatment site. Human skin scatters and absorbs laser ...
  • Expert assessment as a framing exercise : the controversy over green macroalgal blooms’ proliferation in France 
    Bourblanc, Magalie (Oxford University Press, 2019-04)
    This article contributes to unraveling the ‘paradox of scientific authority’, that is, the fact that despite the loss of authority of scientific expertise, policymakers still resort to expert advice. Re-examining the role ...
  • Expert range maps of global mammal distributions harmonised to three taxonomic authorities 
    Marsh, Charles J.; Sica, Yanina V.; Burgin, Connor J.; Dorman, Wendy A.; Anderson, Robert C.; Del Toro Mijares, Isabel; Vigneron, Jessica G.; Barve, Vijay; Dombrowik, Victoria L.; Duong, Michelle; Guralnick, Robert; Hart, Julie A.; Maypole, J. Krish; McCall, Kira; Ranipeta, Ajay; Schuerkmann, Anna; Torselli, Michael A.; Lacher Jr, Thomas; Mittermeier, Russell A.; Rylands, Anthony B.; Sechrest, Wes; Wilson, Don E.; Abba, Agustín M.; Aguirre, Luis F.; Arroyo-Cabrales, Joaquín; Astúa, Diego; Baker, Andrew M.; Braulik, Gill; Braun, Janet K.; Brito, Jorge; Busher, Peter E.; Burneo, Santiago F.; Camacho, M. Alejandra; Cavallini, Paolo; De Almeida Chiquito, Elisandra; Cook, Joseph A.; Cserkész, Tamás; Csorba, Gábor; Soto, Erika Cuéllar; Da Cunha Tavares, Valeria; Davenport, Tim R.B.; Demere, Thomas; Denys, Christiane; Dickman, Christopher R.; Eldridge, Mark D.B.; Fernandez-Duque, Eduardo; Francis, Charles M.; Frankham, Greta; Franklin, William L.; Freitas, Thales; Friend, J. Anthony; Gadsby, Elizabeth L.; Garbino, Guilherme S.T.; Gaubert, Philippe; Giannini, Norberto; Giarla, Thomas; Gilchrist, Jason S.; Gongora, Jaime; Goodman, Steven M.; Gursky-Doyen, Sharon; Hackländer, Klaus; Hafner, Mark S.; Hawkins, Melissa; Helgen, Kristofer M.; Heritage, Steven; Hinckley, Arlo; Hintsche, Stefan; Holden, Mary; Holekamp, Kay E.; Honeycutt, Rodney L.; Huffman, Brent A.; Humle, Tatyana; Hutterer, Rainer; Ulargui, Carlos Ibanez; Jackson, Stephen M.; Janecka, Jan; Janecka, Mary; Jenkins, Paula; Juškaitis, Rimvydas; Juste, Javier; Kays, Roland; Kilpatrick, C. William; Kingston, Tigga; Koprowski, John L.; Krystufek, Boris; Lavery, Tyrone; Lee Jr, Thomas E.; Leite, Yuri L.R.; Novaes, Roberto Leonan M.; Lim, Burton K.; Lissovsky, Andrey; Lopez-Antonanzas, Raquel; Lopez-Baucells, Adria; MacLeod, Colin D.; Maisels, Fiona G.; Mares, Michael A.; Marsh, Helene; Mattioli, Stefano; Meijaard, Erik; Monadjem, Ara; Morton, F. Blake; Musser, Grace; Nadler, Tilo; Norris, Ryan W.; Ojeda, Agustina; Ordonez-Garza, Nicte; Pardinas, Ulyses F. J.; Patterson, Bruce D.; Pavan, Ana; Pennay, Michael; Pereira, Calebe; Prado, Joyce; Queiroz, Helder L.; Richardson, Matthew; Riley, Erin P.; Rossiter96 |, Stephen J.; Rubenstein, Daniel I.; Ruelas, Dennisse; Salazar-Bravo, Jorge; Schai-Braun, Stéphanie; Schank, Cody J.; Schwitzer, Christoph; Sheeran, Lori K.; Shekelle, Myron; Shenbrot, Georgy; Soisook, Pipat; Solari, Sergio; Southgate, Richard; Superina, Mariella; Taber, Andrew B.; Talebi, Maurício; Taylor, Peter; Vu Dinh, Thong; Ting, Nelson; Tirira, Diego G.; Tsang, Susan; Turvey, Samuel T.; Valdez, Raul; Van Cakenberghe, Victor; Veron, Geraldine; Wallis, Janette; Wells, Rod; Whittaker, Danielle; Williamson, Elizabeth A.; Wittemyer, George; Woinarski, John; Zinner, Dietmar; Upham, Nathan S.; Jetz, Walter (Wiley, 2022-05)
    AIM : Comprehensive, global information on species' occurrences is an essential biodiversity variable and central to a range of applications in ecology, evolution, biogeography and conservation. Expert range maps often ...
  • An expert-curated global database of online newspaper articles on spiders and spider bites 
    Mammola, Stefano; Malumbres-Olarte, Jagoba; Arabesky, Valeria; Barrales-Alcala, Diego Alejandro; Barrion-Dupo, Aimee Lynn; Benamú, Marco Antonio; Bird, Tharina L.; Bogomolova, Maria; Cardoso, Pedro; Chatzaki, Maria; Cheng, Ren-Chung; Chu, Tien-Ai; Classen-Rodríguez, Leticia M.; Cupic, Iva; Dhiya’ulhaq, Naufal Urfi; Drapeau Picard, Andre-Philippe; El-Hennawy, Hisham K.; Elverici, Mert; Fukushima, Caroline S.; Ganem, Zeana; Gavish-Regev, Efrat; Gonnye, Naledi T.; Hacala, Axel; Haddad, Charles R.; Hesselberg, Thomas; Ho, Tammy Ai Tian; Into, Thanakorn; Isaia, Marco; Jayaraman, Dharmaraj; Karuaera, Nanguei; Khalap, Rajashree; Khalap, Kiran; Kim, Dongyoung; Korhonen, Tuuli; Kralj-Fiser, Simona; Land, Heidi; Lin, Shou-Wang; Loboda, Sarah; Lowe, Elizabeth; Lubin, Yael; Martínez, Alejandro; Mbo, Zingisile; Milicic, Marija; Kioko, Grace Mwende; Nanni, Veronica; Norma- Rashid, Yusoff; Nwankwo, Daniel; Painting, Christina J.; Pang, Aleck; Pantini, Paolo; Pavlek, Martina; Pearce, Richard; Petcharad, Booppa; Petillon, Julien; Raberahona, Onjaherizo Christian; Saarinen, Joni A .; Segura-Hernández, Laura; Sentenska, Lenka; Uhl, Gabriele; Walker, Leilani; Warui, Charles M.; Wiśniewski, Konrad; Zamani, Alireza; Scott, Catherine; Chuang, Angela (Nature Research, 2022-03-28)
    Mass media plays an important role in the construction and circulation of risk perception associated with animals. Widely feared groups such as spiders frequently end up in the spotlight of traditional and social media. ...
  • An expert-driven causal model of the rhino poaching problem 
    Koen, Hildegarde; De Villiers, Johan Pieter; Roodt, Henk; De Waal, Alta (Elsevier, 2017-03)
    A significant challenge in ecological modelling is the lack of complete sets of high-quality data. This is especially true in the rhino poaching problem where data is incomplete. Although there are many poaching attacks, ...
  • An expert-driven framework for applying eDNA tools to improve biosecurity in the Antarctic 
    Clarke, Laurence J.; Shaw, Justine D.; Suter, Leonie; Atalah, Javier; Bergstrom, Dana M.; Biersma, Elisabeth; Convey, Peter; Greve, Michelle; Holland, Oakes; Houghton, Melissa J.; Hughes, Kevin A.; Johnston, Emma L.; King, Catherine K.; McCarthy, Arlie H.; McGaughran, Angela; Pertierra, Luis R.; Robinson, Sharon A.; Sherman, Craig D.H.; Stark, Jonathan S.; Stevens, Mark I.; Strugnell, Jan M.; Von Ammon, Ulla; Wilson, Nerida G.; Zaiko, Anastasija; Macdonald, Anna J. (Regional Euro-Asian Biological Invasions Centre, 2023-09)
    Signatories to the Antarctic Treaty System’s Environmental Protocol are committed to preventing incursions of non-native species into Antarctica, but systematic surveillance is rare. Environmental DNA (eDNA) methods ...
  • The explainability of gradient-boosted decision trees for digital elevation model (dem) error prediction 
    Okolie, Chukwuma; Mills, Jon; Adeleke, Adedayo; Smit, Julian; Maduako, Ikechukwu (International Society of Photogrammetry and Remote Sensing, 2023-09)
    Gradient boosted decision trees (GBDTs) have repeatedly outperformed several machine learning and deep learning algorithms in competitive data science. However, the explainability of GBDT predictions especially with earth ...
  • Explaining leaf nitrogen distribution in a semi-arid environment predicted on sentinel-2 imagery using a field spectroscopy derived model 
    Ramoelo, Abel; Cho, Moses Azong (MDPI Publishing, 2018-02-09)
    Leaf nitrogen concentration (leaf N, %) is an essential component for understanding biogeochemical cycling. Leaf N is a good indicator of grass or forage quality, which is important for understanding the movements and ...
  • Explaining South Africa’s land reform policy failure through its instruments : the emergence of inclusive agricultural business models 
    Bourblanc, Magalie; Anseeuw, Ward (Routledge, 2019)
    This paper seeks to explain the emergence of South African inclusive agricultural business models in relation to the land reform policy. We demonstrate that in South Africa such policy instruments linking small-scale and ...
  • An explanation of consumer complaint behaviour concerning performance failure of major electrical household appliances 
    Donoghue, Sune (University of Pretoria, 2008-07-04)
    In this study, three lines of consumer satisfaction/dissatisfaction and complaint behaviour research were integrated, namely the expectancy disconfirmation model (Churchill&Suprenant, 1982; Bearden&Teel, 1983) (satisfact ...
  • An explication of the problems with apparel fit experienced by female Kenyan consumers in terms of their unique body shape characteristics 
    Mastamet-Mason, Anne M. (University of Pretoria, 2009-06-17)
    Problems related to apparel fit stem from a variety of factors, such as an outdated anthropometric database from which sizing systems could be developed, lack of and/or inadequate classified body forms, non-standardised ...
  • Explicit formulae for limit periodic flows on networks 
    Banasiak, Jacek (Elsevier, 2016-07)
    In recent papers it was shown that, under certain conditions, the C0-semigroup describing a flow on a network (metric graph) that contains terminal strong (ergodic) components converges to the direct sum of periodic ...
  • An explicit nonstandard finite difference scheme for the Allen-Cahn equation 
    Aderogba, Adebayo Abiodun; Chapwanya, Michael (Taylor and Francis, 2015-07)
    We design explicit nonstandard finite difference schemes for the nonlinear Allen-Cahn reaction diffusion equation in the limit of very small interaction length ". In the proposed scheme, the perturbation parameter is ...