Results 51 to 60 of about 247,916 (353)
British Educational Research Journal, EarlyView.Abstract Many nations experience recurring shortages of teachers in particular subjects, prompting concerns that pupils' education is suffering as a result. Researchers have responded by generating a sizable literature on the reasons for which people enter and exit the teaching profession.
Sam Sims +2 more
wiley +1 more source
Oxygen and Sodium Abundances in M13 (NGC 6205) Giants: Linking Globular Cluster Formation Scenarios, Deep Mixing, and Post-RGB Evolution [PDF]
, 2012 We present O, Na, and Fe abundances, as well as radial velocities, for 113 red giant branch (RGB) and asymptotic giant branch (AGB) stars in the globular cluster M13.
Johnson, Christian I. +1 more
core +2 more sources
Understanding the paradox of primary teacher shortage in low‐income countries: Insights from Malawi
British Educational Research Journal, EarlyView.Abstract Malawi faces a persistent and chronic teacher shortage, particularly at the primary school level, with much of the challenge attributed to teacher supply constraints. While the causes of teacher shortages are known to be complex and context‐dependent, there remains a lack of in‐depth, country‐specific research to guide effective policies ...
Peter Mtika, Edward M. Sosu
wiley +1 more source
BioResources, 2008 This paper presents a preliminary study for the production of dissolving pulp from Trema orientalis (Nalita). Water prehydrolysis kraft and soda-ethylenediamine (EDA) pulping for the production of dissolving pulp from T.
M. A. Quaiyyum +3 more
doaj
BioResources, 2016 Kraft mills have the potential to pre-extract hemicellulose from wood as another value added product. The impacts of pre-extracting xylan on pulp and handsheet properties, sodium and sulfur balances, and chemical make-ups in the kraft pulping process of ...
Andre J. Joubert +2 more
doaj +1 more source
Comparison on the characteristics of Salix nigra Kraft and Soda pulp and paper [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2014 In this study pulp and hand sheets paper characteristics of Salix nigra wood kraft and soda pulp and paper were investigated. Average density of dry and bulk density wood were determined 0.35 and 150 kg/m3 and average fiber dimension consist of fiber ...
Lila Karami motaghi +2 more
doaj +1 more source
An Evaluation of Never-Dried Pulp at Multiple Freeness Levels [PDF]
, 1998 Recycled paper is a viable and economical source of useful wood fiber for paper manufacture. Two of the largest contributors to today\u27s paper waste stream are Mixed-Office Waste (Softwood Kraft Pulp) and Newsprint (Stone Groundwood Pulp).
Liverance, Timothy Clifford
core +1 more source
Protein engineering of Pseudomonas fluorescens peroxidase Dyp1B for oxidation of phenolic and polymeric lignin substrates [PDF]
, 2019 Directed evolution was applied to dye-decolourizing peroxidase Dyp1B from Pseudomonas fluorescens Pf-5, in order to enhance the activity for oxidation of phenolic and lignin substrates.
Ashley, Ben +6 more
core +2 more sources
Making teaching more attractive: Promising evidence of impact from Australia
British Educational Research Journal, EarlyView.Abstract Sustaining teaching as a respected and attractive profession is more critical than ever, particularly as teachers' work becomes increasingly shaped by standardisation and accountability—conditions that have shown minimal positive impact while eroding the professional agency essential to job satisfaction.
Jennifer M. Gore +5 more
wiley +1 more source
The Effect of the Kraft Pulping Process, Wood Species, and pH on Lignin Recovery from Black Liquor [PDF]
, 2022 Juliana Marangon Jardim +4 more
openalex +1 more source