Results 1 to 10 of about 323,622 (344)

Online self-assessment materials: do these make a difference to student learning? [PDF]

open access: yesResearch in Learning Technology, 2000
In our changing world where university students are demanding a greater say in their tertiary education, and in particular are demanding a greater flexibility in the way they receive their instruction, it is imperative that we investigate and experiment ...
Mary Peat
doaj   +4 more sources

Assessment of the effect of drainage on the accumulation of Zn, Cu, Pb, and Cd in bog plants: a case study of two raised bogs in Western Siberia [PDF]

open access: yesMires and Peat, 2021
The lowering of water level caused by bog drainage increases the exposure of the upper layers of peat deposits to oxygen, which leads to an increase in the degree of peat decomposition.
Lyudmila P. Gashkova   +2 more
doaj   +1 more source

Linking prokaryotic community composition to carbon biogeochemical cycling across a tropical peat dome in Sarawak, Malaysia

open access: yesScientific Reports, 2021
Tropical peat swamp forest is a global store of carbon in a water-saturated, anoxic and acidic environment. This ecosystem holds diverse prokaryotic communities that play a major role in nutrient cycling. A study was conducted in which a total of 24 peat
Simon Peter Dom   +10 more
doaj   +1 more source

Chemical and biological reactions of solidification of peat using ordinary portland cement (OPC) and coal ashes [PDF]

open access: yes, 2021
Construction over peat area have often posed a challenge to geotechnical engineers. After decades of study on peat stabilisation techniques, there are still no absolute formulation or guideline that have been established to handle this issue.
Abdul Rahman, Junita
core   +1 more source

Peat and Peat Cutting

open access: yesMires and Peat, 2009
J.O. Rieley
doaj   +2 more sources

Mechanical properties of concrete containing palm oil fuel ash and modified expanded polystyrene beads as replacement materials using finite element method [PDF]

open access: yes, 2020
Nowadays, so much waste material was dumped and produced by the industrial sector. In this research, the Palm Oil Fuel Ash (POFA) and Modified Expanded Polystyrene beads (EPS) were used as replacement material.
A Rahman, Noor Khazanah   +6 more
core   +1 more source

Evaluation of high density polyethylene plastic bag performance towards edge and point stresses using taguchi method [PDF]

open access: yes, 2021
Plastic bag are widely used due to it is low cost and convenience for packaging items. The problem with the strength of the plastic bag tends to tear easily and perforated.
Ng, Si Jin, Yong, Tze Mi
core   +1 more source

De toekomst van het accountantsberoep: bedreigingen en kansen [PDF]

open access: yesMAB, 2018
Op basis van verschillende wetenschappelijke bronnen ontstaat de impressie dat de toekomst van het accountantsberoep onzeker is. Zo zouden technologische ontwikkelingen het beroep overbodig kunnen maken.
Ada Sneekes
doaj   +3 more sources

The kinetics of growth, feed intake, and feed efficiency reveal a good capacity of adaptation of slow and rapid growing broilers to alternative diets

open access: yesPoultry Science, 2021
Poultry production currently relies on the use of soybean as the main protein and energy source. Reducing its proportion in poultry diets and partly replacing it with local feedstuffs would improve sustainability by reducing dependence on importations ...
Quentin Berger   +7 more
doaj   +1 more source

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