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4841
Occurrence, Source, and Mobilization of Iron, Manganese, and Arsenic Pollution in Shallow Aquifer
Published 2023-01-01“…In this study, the elevated levels of dissolved organic carbon, salinity, total hardness, and log10 pCO2; the lower value of dissolved oxygen; and some oxidizing groups of samples influence the reductive environment of Fe and Mn weathering. …”
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4842
Dynamic Simulations of the Allam Cycle Power Plant Integrated with an Air Separation Unit
Published 2019-01-01“…The unprecedented rise in carbon dioxide levels due to anthropogenic activities, if left unchecked, can lead to increased global warming. …”
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4843
Selection and evaluation of reference genes for qRT-PCR in Inonotus obliquus
Published 2025-01-01“…Subsequently, we applied GeNorm, NormFinder, and BestKeeper algorithms to evaluate the expression stability of these 11 reference genes. Under varying carbon sources, VPS exhibited good stability and was suitable as an internal reference gene. …”
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4844
Biodegradation Potential of Oil-based Drill Cuttings Encapsulated with Cement in the Soil Environment
Published 2013-05-01“…Results of soil analyses show that physico-chemical and biological characteristics of the soil environment as; pH (5.6 – 3.9), temperature (27.7 – 39.5 oC), redox potential (-114mV – (-80mV), total organic carbon (12.7% - 7.3%), sulphate (0.7 – 0.2mg/l), nitrate (6.7 – 2.2mg/l), moisture content (82-89%) and total microbial count (105 – 1013 cfu/g). …”
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4845
Infrared Spectroscopic Study of the Acidic Character of Modified Alumina Surfaces
Published 2003-10-01“…It was found that, following treatment with lithium acetate or ammonium sulphate, the same –OH groups were involved in both modifications, acting in turn as acidic –OH groups capable of exchanging their protons with lithium ions or as basic groups capable of exchanging with acid sulphate anions or acting as strong nucleophiles to form hydrogen carbonates with carbon dioxide. Modified alumina experienced a general weakening of its initial Lewis acid centres on loading with Li + ions. …”
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4846
Forecast and Analysis of Coal Traffic in Daqin Railway Based on the SARIMA-Markov Model
Published 2020-01-01“…This study also analyzes the effects of China’s industrial structure adjustment, clean energy utilization, and low-carbon usage on the coal transport volume of Daqin Railway. …”
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4847
MOFs and MOF‐Based Composites for the Adsorptive Removal of Ciprofloxacin
Published 2025-01-01“…The exploration of adsorbents like metal–organic frameworks (MOFs), activated carbon, porous organic polymers, etc., have found major usage in the adsorptive removal of antibiotics to tackle contamination. …”
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4848
On the assessment of non-metallic inclusions by part 13 of API 579 -1/ASME FFS-1 2016
Published 2021-12-01“… Improvement of nondestructive inspection techniques has allowed more frequent detection of closely spaced zones of non-metallic inclusions in pressure vessels made of low carbon steel. In the present study, closely spaced inclusions in an in-service cylindrical horizontal pressure vessel were detected by Scan-C ultrasonic inspection and considered as laminations to be assessed by Part 13 of the API 579-1/ASME FFS-1 2016 standard. …”
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4849
Optimization of Deacetylation Process for Regenerated Cellulose Hollow Fiber Membranes
Published 2017-01-01“…The regenerated cellulose hollow fibers under the optimal deacetylation condition can be further used as precursors for preparation of hollow fiber carbon membranes.…”
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4850
Density Functional Study of the Adsorption of Methanol and its Derivatives on Boron Nitride Nanotubes
Published 2013-09-01“…The study results showed that molecules of methanol can be chemically adsorbed on top of a sidewall B atom with an adsorption energy of −0.67 eV, which is stronger than that of carbon nanotubes. When using different derivatives of methanol, the adsorption energies and charge transfer from the adsorbate to the BNNT depending on the electron-withdrawing or electron-donating capability of the subgroups within the derivatives. …”
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4851
L’introduction de la notion de service environnemental et écosystémique à Madagascar
Published 2012-12-01“…Several steps are identified through a historical analysis: (1) End of the 90s: exploratory research on the total value of the forest products (academic research, forest administration, donors). (2) 2000-2004: advanced research with studies of economists dedicated to the sustainable financing and to the extension of the network of protected areas. (3) From 2004: implementation of PSE, by order of importance: carbon sequestration, hydrological services, preservation of the biodiversity. …”
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4852
The impact of revitalization treatments on biological activity of soil under afforestation on post-agricultural land
Published 2020-12-01“…Biological activity of soil was measured with the activity of soil enzymes dehydrogenases and acid phosphatase, the biomass of microorganisms was measured and the content of total dissolved carbon and nitrogen was also determined.…”
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4853
Smart Battery Storage Integration in An IoT-Based Solar-Powered Waste Management System
Published 2024-12-01“…By harnessing solar energy and storing it in smart batteries, these systems ensure the continuous operation of IoT devices, sensors, and waste collection vehicles, reducing reliance on grid power and carbon emissions. A prototype system, designed, developed, and simulated using Proteus circuit simulation, incorporates IoT sensors, solar panels, and smart battery storage to optimise energy use and improve waste collection efficiency. …”
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4854
A Review on Impact of the Marine Salt Spray Environment on the Performance of Proton Exchange Membrane Fuel Cells
Published 2025-01-01“…With the escalating global demand for clean energy, the proton exchange membrane fuel cell (PEMFC), as an efficient and environmentally friendly energy conversion device, has emerged as a pivotal component of new power systems, playing a crucial role in achieving global carbon emission reduction targets. At present, the application of PEMFC technology is gradually expanding to the shipping industry and other fields, indicating its potential role in the future transformation of the energy structure. …”
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4855
Prediction of Fatigue Life of Welded Joints Made of Fine-Grained Martensite-Bainitic S960QL Steel and Determination of Crack Origins
Published 2019-01-01“…An engaged simplified model of fatigue life prediction was previously developed for mild and carbon steels. The evaluation made during the research has proven that this method can also be used for S960QL high-strength steel characterized by entirely different properties and structure. …”
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4856
Hydrogen production via dehydrogenation of alcohols using ruthenium hexamethylenetetramine complex
Published 2024-08-01“… Being a zero-carbon source, the hydrogen economy is considered to be better than the fuel economy as it produces only water vapor even after complete combustion. …”
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4857
Climate Change and Florida: Frequently Asked Questions
Published 2020-09-01“…The FAQ address several areas of concerns, including the basic science behind climate change, the projected impacts to residents of south Florida, and actions that individuals can take to reduce their carbon footprints. Written by Joshua Papacek, Ashley Smyth, Holly Abeels, and Alicia Betancourt, and published by the UF/IFAS Department of Soil and Water Sciences. https://edis.ifas.ufl.edu/ss682 …”
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4858
Quantifying the shift of public export finance from fossil fuels to renewable energy
Published 2025-01-01“…Despite their importance for global greenhouse gas emission pathways, a systematic assessment of ECAs’ role and financing patterns in the low-carbon energy transition is still needed. Using commercial transaction data, here we analyze 921 energy deals backed by ECAs from 31 OECD and non-OECD countries (excluding Canada) between 2013 and 2023. …”
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4859
The High Input of Soil Organic Matter from Dead Tree Fine Roots into the Forest Soil
Published 2012-01-01“…A high accumulation of carbon from dead tree fine root was found in all six forest types, in particular in the wet forest sites, but also in deeper soil horizons. …”
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4860
Multicompartment Ecosystem Mass Balances as a Tool for Understanding and Managing the Biogeochemical Cycles of Human Ecosystems
Published 2001-01-01“…Management of N eventually must be coupled to management of other elements, notably carbon, phosphorus, and salts. We postulate that an ecosystem framework for pollution management will result in strategies that are more effective, fairer, and less expensive than current approaches.…”
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