Results 21 to 30 of about 221,807 (304)

Regional GIS-based evaluation of the potential and supply costs of forest biomass in Sweden [PDF]

open access: yesFrontiers of Agricultural Science and Engineering, 2017
The potential for harvestable forest fuel (logging residues and stumps from regeneration fellings and small diameter trees from early thinnings) in Sweden, divided in five regions, is provided.
Dimitris ATHANASSIADIS, Tomas NORDFJELL
doaj   +1 more source

Preferences and values for forests and wetlands: a comparison of farmers, environmentalists, and the general public in Australia [PDF]

open access: yes, 2005
[Abstract]: Over the past decades, a trend towards environmental concern has been measured in general population samples. Natural resource management is a complex area in which multiple stakeholders compete for their different views to be heard ...
Winter, Caroline
core   +2 more sources

Research on Rapid Identification and Evaluation Technology for Gas Formation during Underbalanced Drilling

open access: yesGeofluids, 2017
The underbalanced drilling (UBD) technology has been widely implemented due to its advantages in drilling efficiency improvement and cost reduction. However, this advanced technology requires very special equipment and operational mechanism, which raises
Hao Wu   +6 more
doaj   +1 more source

Energy-efficient off-body communication nodes with receive diversity [PDF]

open access: yes, 2013
Off-body wireless communication applications range from fall-detection systems for the elderly to monitoring networks for rescue workers. Further development of practical body-worn systems requires compact, low-cost and low-power battery-powered ...
Moerman, Ingrid   +3 more
core   +1 more source

Investigation on production rate and cost of Timberjack-450C in two skidding direction in combined harvesting system [PDF]

open access: yesتحقیقات جنگل و صنوبر ایران, 2007
Managers of logging operation are faced with profit reduction due to rapid increases in equipment costs, rapid depreciation of equipment and changing logging systems from harvesting the large trees to the smaller ones.
Mahtab Pir Bavaghar   +4 more
doaj  

A simple, low-cost, data-logging pendulum built from a computer mouse

open access: yes, 2009
Lessons and homework problems involving a pendulum are often a big part of introductory physics classes and laboratory courses from high school to undergraduate levels.
Gintautas, Vadas, Hubler, Alfred
core   +1 more source

Research on Prediction Method of Volcanic Rock Shear Wave Velocity Based on Improved Xu–White Model

open access: yesEnergies, 2022
Volcanic rock reservoirs have received extensive attention from scholars all over the world because of their geothermal, mineral, and oil and gas resources.
Hanqing Qiao, Bing Zhang, Cai Liu
doaj   +1 more source

Real‐time assay of ribonucleotide reductase activity with a fluorescent RNA aptamer

open access: yesFEBS Letters, EarlyView.
Ribonucleotide reductases (RNR) synthesize DNA building blocks de novo, making them crucial in DNA replication and drug targeting. FLARE introduces the first single‐tube real‐time coupled RNR assay, which enables isothermal tracking of RNR activity at nanomolar enzyme levels and allows the reconstruction of allosteric regulatory patterns and rapid ...
Jacopo De Capitani   +4 more
wiley   +1 more source

Penerapan Reduced Impact Logging Menggunakan Monocable Winch (Pancang Tarik) (Implementing Reduced Impact Logging with Monocable Winch)

open access: yesJurnal Manajemen Hutan Tropika, 2012
Forest harvesting still encounters many problems especially concerning impact to the residual stand  and environmental damage. Implementing the reduced impact monocable winch and planning of good skid trails should have a positive impact on work ...
Yosep Ruslim
doaj   +1 more source

Cost and Earning Structure of Logging Industry in the State of Sabah [PDF]

open access: yes, 2001
The logging industry in Sabah is not widely understood owing to a lack of published information concerning its activities even though it is one of the most important sectors to the state economy.
Kumut, Badrul Hisam
core  

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