Results 31 to 40 of about 163,357 (303)

Analisa Unjuk Kerja Mesin Diesel Kapal Dua Langkah(two Stroke Marine Diesel Engine)berbahan Bakar Campuran Minyak Solar(hsd) Dan Biodiesel Minyak Jelantah Pada Beban Simulator Full Load [PDF]

open access: yes, 2017
Berbagai penelitian telah dilakukan dalam USAha-USAha menemukan sumber energi alternatif terbarukan, salah satu diantaranya adalah penggunaan bahan bakar nabati untuk mensubtitusi bahan bakar fosil.
Haryono, E. (Edi)   +1 more
core   +2 more sources

Civilian Occupational Exposure to Vapors, Gas, Dust, or Fumes and Respiratory Health Among United States Military Veterans

open access: yesAmerican Journal of Industrial Medicine, EarlyView.
ABSTRACT Background We investigated associations of self‐reported and job exposure matrix (JEM) assigned civilian occupational exposure to vapors, gas, dust, or fumes (VGDF) with respiratory symptoms among previously deployed US Veterans. Methods An interviewer‐administered questionnaire ascertained self‐reported civilian occupational VGDF exposure.
Sahra Mohazzab‐Hosseinian   +14 more
wiley   +1 more source

Analysis of the Mixture Fuels to the Performance of Diesel Engine [PDF]

open access: yesJEMMME (Journal of Energy, Mechanical, Material, and Manufacturing Engineering), 2019
The demand for fuel is increasing every year that the supply comes to decrease. Biodiesel is an alternative energy for diesel fuel. It has the same characteristics as diesel fuel. It also renewable and environmentally friendly.
Yuniarto Agus Winoko   +2 more
doaj   +1 more source

Respirable Dust Exposure in Western Australian Mining: Trends, Variability, and Implications for Occupational Health

open access: yesAmerican Journal of Industrial Medicine, EarlyView.
ABSTRACT Background Mining workers are exposed to a range of respiratory hazards, including respirable dust. While exposure to respirable crystalline silica in the mining industry has been found to be common, less is known about trends in measured levels of exposure to respirable dust overall.
Renee N. Carey   +4 more
wiley   +1 more source

Energy-Saving Control of Hybrid Tractors Based on Instantaneous Optimization

open access: yesWorld Electric Vehicle Journal, 2023
In this study, an energy-saving control strategy based on instantaneous optimization is proposed to improve the energy efficiency of hybrid tractors.
Junjiang Zhang   +5 more
doaj   +1 more source

Carbonyl Emissions from Gasoline and Diesel Motor Vehicles [PDF]

open access: yesEnvironmental Science & Technology, 2008
Carbonyls from gasoline-powered light-duty vehicles (LDVs) and heavy-duty diesel-powered vehicles (HDDVs) operated on chassis dynamometers were measured by use of an annular denuder-quartz filter-polyurethane foam sampler with O-(2,3,4,5,6-pentafluorobenzyl)hydroxylamine derivatization and chromatography-mass spectrometry analyses.
Destaillats, Hugo   +6 more
openaire   +2 more sources

Ultrasound–Calcination Synergistic Control of (Ce, La)PO4 Catalyst Structure for Enhanced Low‐Temperature NH3‐SCR Performance

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT In this study, (Ce, La)PO4 catalysts were synthesized via an ultrasound‐assisted method. The effects of ultrasound duration and calcination temperature on the low‐temperature NH3‐SCR performance were systematically investigated. The results indicated that the (Ce, La)PO4 catalyst prepared with an ultrasound treatment time of 20 min and a ...
Na Li   +4 more
wiley   +1 more source

Emissões de motor agrícola com o uso de diferentes tipos de diesel e concentrações de biodiesel na mistura combustível

open access: yesPesquisa Agropecuária Brasileira, 2015
Resumo: O objetivo deste trabalho foi quantificar o efeito do tipo de diesel e da concentração de biodiesel na mistura combustível sobre as emissões de gases por motor agrícola submetido a diferentes cargas.
Gismael Francisco Perin   +5 more
doaj   +1 more source

Ways to solve the problem of converting diesel locomotives to gaseous fuel

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2021
The Government of the Russian Federation has set the task of expanding the field of application of gaseous fuels in the national economy. In accordance with this task, an agreement of June 17, 2016 was developed on cooperation between PJSC Gazprom, JSC ...
E. E. Kossov   +4 more
doaj   +1 more source

Technobiological Pathways for High‐CO₂ Capture Using Micro‐/Macroalgae: Genetic Engineering, Process Automation, and Value‐Added Bioproducts

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Greenhouse gas (GHG) emissions have emerged as one of the most critical drivers of climate change; this is primarily due to high concentrations and long atmospheric life of carbon dioxide (CO2). For a significant amount of time, various biological processes such as microalgal cultivation, cyanobacterial systems, photosynthetic microorganisms ...
Sadhana Semwal, Harish Chandra Joshi
wiley   +1 more source

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