Results 11 to 20 of about 44,761 (170)

Underground coal gasification - the Velenje Coal Mine energy and economic calculations [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2017
Underground coal gasification (UCG) is a viable possibility for the exploitation of vast coal deposits that are unreachable by conventional mining and can meet the energy, economic and environmental demands of the 21st century.
Konovšek Damjan   +6 more
doaj   +1 more source

The influence of migration processes in gunpowder charge on the quality of mortar ammunition [PDF]

open access: yesHemijska Industrija, 2017
The study describes the results of static, physicochemical and ballistic examination of double-based gunpowder charges, in order to establish the deviations from the demanded quality of mortar ammunition.
Bobić Nikola R.   +6 more
doaj   +1 more source

Hotspot generation for unique identification with nanomaterials

open access: yes, 2021
Nanoscale variations in the structure and composition of an object are an enticing basis for verifying its identity, due to the physical complexity of attempting to reproduce such a system.
Fong, Matthew J., Abdelazim, Nema
core   +1 more source

Characteristics of suicide in the City of Niš within the period 2000-2010. [PDF]

open access: yesVojnosanitetski Pregled, 2018
Background/Aim. Suicide is a significant public health problem worldwide. Numerous factors contribute to suicide. The aim of this study was to investigate the characteristics of suicide in the city of Niš in the period 2001–2010. Methods.
Ljušić Dragana   +5 more
doaj   +1 more source

Obesity and metabolic syndrome as risk factors for the development of non-alcoholic fatty liver disease as diagnosed by ultrasound [PDF]

open access: yesVojnosanitetski Pregled, 2016
Introduction/ aim. Non-alcoholic fatty liver disease (NAFLD) is a chronic liver disease of a broad histological spectrum, characterized by the accumulation of triglycerides in more than 5% of hepatocytes in the absence of consuming alcohol in ...
Petrović Gordana   +5 more
doaj   +1 more source

Primary malignant teratoma of the mediastinum with poor outcome: A case report [PDF]

open access: yesVojnosanitetski Pregled, 2018
Introduction. About 5%–10% of mediastinal tumors in adults are teratomas and about 85% of them are benign. Case report. We report a case of extragonadal malignant teratoma in a 39-year old man.
Sazdanić-Velikić Danica   +5 more
doaj   +1 more source

Modeling and Analysis of a Thermoelectric Power Generator

open access: yes, 2023
Thermoelectric Generator (TEG) was developed using the Seebeck phenomenon. It consists of many thermocouples connected thermally in parallel and electrically in series to increase energy efficiency.
Salem, Nema
core   +1 more source

Approximate Unitary n^{2/3}-Designs Give Rise to Quantum Channels with Super Additive Classical Holevo Capacity [PDF]

open access: yes, 2019
In a breakthrough, Hastings [2009] showed that there exist quantum channels whose classical Holevo capacity is superadditive i.e. more classical information can be transmitted by quantum encoding strategies entangled across multiple channel uses as ...
Nema, Aditya, Sen, Pranab
core   +1 more source

Validation and application of a GC-MS method for the determination of haloacetic acids in drinking water [PDF]

open access: yesJournal of the Serbian Chemical Society, 2016
Usually, water treatment plants employ chlorine or sodium hypochlorite during the disinfection process, ensuring that there are not any pathogenic microorganisms in water.
Chiavelli Lucas U.R.   +5 more
doaj   +1 more source

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