Results 271 to 280 of about 1,032,964 (359)

The impact of instructional leadership on the culture of teaching and learning in rural schools of the Eastern Cape

, 2019
Abigail Yobe
openalex   +1 more source

Rh‐Catalyzed [2 + 2 + 2] Cycloaddition of Linked Bis(Diynes) Ar‐C≡C‐C≡C‐(CH2)3‐C≡C‐C≡C‐Ar With Quinones: Synthesis and Photophysical Properties of Bis(Arylethynyl)‐Naphthoquinones and Anthraquinones

Chemistry – A European Journal, EarlyView.
We report the synthesis bis(arylethynyl)naphtho‐ and anthraquinones via Rh(I)‐catalyzed [2 + 2 + 2] cycloaddition reactions. The substrate scope of both quinones and linked bis‐diynes was explored. Microwave irradiation remarkably enhanced yields.
Luana A. Machado, Jianhua Han, Fábio G. Delolo, Joyce C. Oliveira, Breno U. Abreu, Hállen D. R. Calado, Joannes Krebs, Leibo Tan, Qing Ye, Tobias Groß, Christoph Lambert, Camille Latouche, Abdou Boucekkine, Jean‐François Halet, Holger Braunschweig, Todd B. Marder, Eufrânio N. da Silva Júnior   +16 more
wiley   +1 more source

The Interlinkages Between Ambient Temperature and Air Pollution in Exacerbating Childhood Asthma: A Time Series Study in Cape Town, South Africa. [PDF]

Children (Basel)
Phakisi TK, Weimann E, Rother HA.
europepmc   +1 more source

The rise of the Cape gentry [PDF]

, 1981
Ross, Robert
core  

Adsorption of 5G blue reactive dye using passion fruit pomace: Kinetics, ANN modelling, and process optimization

The Canadian Journal of Chemical Engineering, EarlyView.
Combination of ANN modelling and process optimization to achieve the maximum % dye removal. Abstract The present work reports on the use of artificial neural networks to predict the adsorption of 5G blue reactive dye (5GBRD) on yellow passion fruit pomace in a fixed‐bed process and the % dye removal optimization.
Maraísa Lopes de Menezes, Gracielle Johann, Nehemias Curvelo Pereira   +2 more
wiley   +1 more source

The Socio-Demographic Characteristics of Patients Diagnosed with Prostate Cancer Treated in South Africa's Only Rural Central Hospital in 2020: A Cross-Sectional Study Protocol. [PDF]

Healthcare (Basel)
Ntlongweni X, Nomatshila SC, Chitha WW, Mabunda SA.   +3 more
europepmc   +1 more source

CAPE '94

Computers in Industry, 1993
openaire   +1 more source

Synthesis, characterization, and performance of x_MoO3/Z‐22 and x_MoO3/MMP catalysts for biodiesel production

The Canadian Journal of Chemical Engineering, EarlyView.
Methyl transesterification of soybean oil using heterogeneous catalysts for biodiesel production. Abstract The growing global demand for renewable fuels has driven the search for efficient catalysts in biodiesel production. This study presents the synthesis and characterization of x_MoO3/Z‐22 and x_MoO3/MMP heterogeneous catalysts, and evaluates the ...
André Miranda da Silva, Vitória de Andrade Freire, José Jailson Nicácio Alves, Romualdo Rodrigues Menezes, Bianca Viana de Sousa Barbosa   +4 more
wiley   +1 more source

One-year mortality among adults with advanced HIV in sub-Saharan Africa: a systematic review and meta-analysis. [PDF]

AIDS
Scheier TC, De Gouveia K, Engel ME, Hohlfeld AS, Cen A, Berhe A, Fan S, Li J, Elliott S, Ford N, Meintjes G, Mertz D, Eikelboom J, Wasserman S.   +13 more
europepmc   +1 more source

Production of middle distillates through olefin oligomerization using ZSM‐5 as a catalyst

The Canadian Journal of Chemical Engineering, EarlyView.
Abstract The global transportation sector relies heavily on gasoline (C5–C12) and diesel (C11–C24), which together account for approximately 60% of its energy needs. Driven by rapid industrialization and urbanization, diesel consumption is outpacing gasoline, with projections estimating global demand by 2035 at 27 million barrels per day for gasoline ...
Thembekile Hoyi, Masikana Milan Mdleleni, Ntalane Sello Seroka, Lindiwe Khotseng   +3 more
wiley   +1 more source