搜索结果: 1-15 共查到“理学 humic-like”相关记录33条 . 查询时间(0.091 秒)
Genesis of structural features of humic acids from the sediments of a high productive coastal zone
humic acids Chakara (Mudbank) CP/MAS 13C NMR lignin moietiesar Basin
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2017/4/11
Chemical and physical properties of humic acids (HAs) isolated from Mudbanks (locally known as “Chakara”—a
unique phenomenon occurring along the south west coast of India during the southwest monsoon...
Comparative study on humic substances isolated in thermal groundwaters from deep aquifers below 700 m
Pannonian Basin thermal water geothermal energy deep aquifer aquatic humic substances
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2017/4/11
Main objectives of this study were to investigate whether humic substances (HS) exist in hot groundwater from deep
basinal aquifers waters and to provide basic knowledge on humic (HA) and fulvic acid...
Characterization of Humic Acid-like Substances Extracted from Atmospheric Falling Dust Using Py-GC-MS
Atmospheric falling dust Humic acid-like substances Py-GC-MS Source
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2016/3/28
Humic acid-like substances (HALS) are heterogeneous macromolecules having a range of physicochemical properties and
exhibiting different reactivities in environmental systems. However, to study the H...
Effects of pH, ionic strength, temperature, and humic acid on Eu(III) sorption onto iron oxides
Iron oxides Eu(III) Sorption HA Temperature
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2011/11/10
Effects of pH, Eu(III) concentration, ionic strength, temperature and humic acid (HA) on Eu(III) sorption to iron oxides were investigated in detail. The sorption of Eu(III) to iron oxides was signifi...
Sorption of uranium(VI) on Na-attapulgite as a function of contact time, solid content, pH, ionic strength, temperature and humic acid
Attapulgite U(VI) Sorption pH Ionic strength Temperature
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2011/11/10
Sorption of U(VI) from aqueous solution to Na-attapulgite was investigated at different experimental chemistry conditions by using batch technique. The attapulgite sample was characterized by FTIR and...
Physical and chemical consequences of artificially deepened thermocline in a small humic lake – a paired whole-lake climate change experiment
Physical chemical consequences artificially deepened thermocline
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2010/12/22
Climate change with higher air temperatures and changes in cloud cover, radiation and wind speed alters the heat balance and stratification patterns of lakes. A paired whole-lake thermocline manipulat...
The sorption of Eu(III) on calcareous soil: effects of pH, ionic strength, temperature, foreign ions and humic acid
Sorption Europium HA Temperature Ionic strength Foreign ions
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2011/11/10
The sorption of Eu(III) on calcareous soil as a function of pH, humic acid (HA), temperature and foreign ions was investigated under ambient conditions. Eu(III) sorption on soil was strongly pH depend...
Systematic change in relative stabilities of REE-humic complexes at various metal loading levels
humic substances stability constants metal loading REE pattern binding site
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2017/8/9
Complexation of rare earth elements (REEs) with humic substances (HSs) at various REE loading levels was studied by solvent extraction and equilibrium dialysis methods coupled with inductively coupled...
Humic-like substances in fresh emissions of rice straw burning and in ambient aerosols in the Pearl River Delta Region, China
Humic-like substances rice straw burning ambient aerosols the Pearl River Delta Region
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2010/8/16
HUmic-LIke Substances (HULIS) are an abundant unresolved mixture of organic compounds present in atmospheric samples. Biomass burning (BB) has been recognized as an important primary source of HULIS, ...
Evidence for geochemical control of iron by humic substances in seawater
geochemical control iron by humic substances in seawater
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2014/4/17
A new method, based on the direct detection of iron-humic substance (HS) species by cathodic stripping voltammetry (CSV), is used to determine the iron binding capacity and complex stability of fulvic...
Chirality and the origin of atmospheric humic-like substances
Chirality atmospheric humic-like substances origin
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2010/2/21
Aerosol water extracts and atmospheric humic-like substances (HULIS) obtained from PM2.5-fraction aerosol samples collected in a rural/continental background environment and in an urban environment in...
Capillary Electrophoretic Determination of Selected Phenolic Compounds in Humic Substances of Well Waters and Fertilizers
Phenolic Compounds Humic Substances Waters
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2010/9/20
Humic substances (HS) from well waters, fertilizers, and synthetic phenolic polymers were characterized by elemental and UV-VIS spectroscopic analyses. Capillary zone electrophoresis (CZE) with UV ab...
Comparison of analytical methods for Humic Like Substances (HULIS) measurements in atmospheric particles
Humic Like Substances HULIS atmospheric particles
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2009/8/25
Humic-Like Substances (HULIS) are a major contributor to the organic carbon in atmospheric aerosol. It would be necessary to standardize an analytical method that could be easily and routinely used fo...
Hygroscopic properties of water-soluble matter and humic-like organics in atmospheric fine aerosol
Hygroscopic properties water-soluble matter humic-like organics atmospheric fine aerosol
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2009/2/20
Ambient continental-rural fine aerosol (K-puszta, Hungary, PM1.5) was sampled on quartz fibre filters in winter and summer 2001. Water-soluble matter (WSM) was extracted in MilliQ-water, and, in a sec...
The density of humic acids and humic like substances (HULIS) from fresh and aged wood burning and pollution aerosol particles
density of humic acids humic like substances HULIS pollution aerosol particles
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2009/1/19
Atmospheric aerosols play significant roles in climatic related phenomena. Size, density and shape of particles affect their fluid-dynamic parameters which in turn dictate their transport and lifecycl...