Results 21 to 30 of about 5,255,084 (312)

LIFE CYCLE ANALYSIS (LCA) FOR SUSTAINABLE ARCHITECTURE [PDF]

open access: yes, 2011
Life Cycle Analysis (LCA), a kind of cradle–to–grave paradigm based instrumentfor measuring the product sustainability by analyzing energy, cost, and environ-mental impacts that would be spent and occur along the product–life–cycle, isone of mechanisms ...
Subadra Abioso, Wanita
core   +1 more source

Discussion on Ultrasonic Inspection Intervals Based on Fatigue Crack Growth Life Analysis of Axle for CRH2A EMU

open access: yes机车电传动, 2020
The ultrasonic inspection interval of different types of vehicle axles and the overview of CRH2A EMU axles was introduced. By comprehensively considering the initial crack, critical crack, stress ratio, fracture toughness and effective stress intensity ...
Menghong YE
doaj  

Column chromatography as a method for minor components removal from rapeseed oil

open access: yesGrasas y Aceites, 2019
The purpose of this study was to verify the influence of different chromatographic column beds (silicic acid, activated charcoal, aluminum oxide, silica gel) on the concentration of individual minor components (sterols, tocopherols, carotenoids and ...
E. Rokosik   +4 more
doaj   +1 more source

Determination of the content of Pb, Cd, Cu, Zn in dairy products from various regions of Poland

open access: yesOpen Chemistry, 2019
The toxicity of heavy metals and their capacity for accumulation in the human organism make it necessary to conduct monitoring of their concentration in food.
Sujka Monika   +5 more
doaj   +1 more source

Theoretical Investigations on the Reactivity of Hydrogen Peroxide toward 2,3,7,8-Tetrachlorodibenzo-p-dioxin

open access: yesMolecules, 2018
Acquiring full knowledge of the reactivity of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) is crucial for the better understanding of the transformation and degradation of TCDD-like dioxins in the environment.
Weihua Wang   +4 more
doaj   +1 more source

Identification and Analysis of Secondary Metabolites from CH3OH/H2O Extract of Metacordyceps Neogunnii [PDF]

open access: yesE3S Web of Conferences, 2019
Secondary metabolites are considered to be the major compounds in Cordyceps with anti-tumor, anti-aging and immunity-enhancing effects. The molecular structures of secondary metabolites form the basis for the development and utilization of Cordyceps ...
She Xinsong   +5 more
doaj   +1 more source

Ab Initio Molecular Dynamics Simulation Study on the Stereo Reactions between Atomic Oxygen Anion and Methane

open access: yesMolecules, 2018
Ion–molecule reaction between atomic oxygen anion (O−) and methane (CH4) has been systematically investigated employing the on-the-fly ab initio molecular dynamics simulations.
Weihua Wang   +3 more
doaj   +1 more source

Wall-to-wall mapping of carbon loss within the Chornobyl Exclusion Zone after the 2020 catastrophic wildfire

open access: yesAnnals of Forest Science, 2023
Key message We propose a framework to derive the direct loss of aboveground carbon stocks after the 2020 wildfire in forests of the Chornobyl Exclusion Zone using optical and radar Sentinel satellite data.
Maksym Matsala   +7 more
doaj   +1 more source

Nutritional, Physiochemical, and Biological Value of Muffins Enriched with Edible Insects Flour

open access: yesAntioxidants, 2021
Edible insects are gaining attention as a novel food; however, studies with their use in food are still limited. This study aimed to determine the chemical composition, physical parameters, sensory acceptance, and biological properties of muffins ...
Ewelina Zielińska   +2 more
doaj   +1 more source

Carcinomas and Carcinoid Tumors of the Lungs and Bronchi in Children and Adolescents: The EXPeRT Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Primary lung carcinomas and bronchial carcinoid tumors (BC) are very rare malignancies in childhood. While typical BC and mucoepidermoid carcinomas are mostly low‐grade, localized tumors with a more favorable prognosis than in adults, necessitating avoidance of overtreatment, adenocarcinomas of the lung are often diagnosed at advanced disease ...
Michael Abele   +19 more
wiley   +1 more source

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