搜索结果: 16-30 共查到“矿床学与矿相学 SOILS”相关记录76条 . 查询时间(0.085 秒)
Physicochemical characteristics of geophagic clayey Soils from South Africa and Swaziland.
Physicochemical characteristics geophagic clayey Soils South Africa Swaziland
2012/3/14
Physicochemical characteristics of geophagic clayey Soils from South Africa and Swaziland.
Physico-chemical characteristics and clay mineralogy composition of selected soils in arid and semiarid regions of Iran
Physico-chemical characteristics clay mineralogy composition Iran
2011/11/10
Knowledge of soil types and their properties is highly important in determining constraints and potential as well as better utilization of soils. Clay minerals are important fractions of the soil soli...
PALYGORSKITE FORMATION UNDER THE INFLUENCE OF GROUNDWATER INCENTRAL IRANIAN SOILS
Palygorskite Smectite Soil solution Central Iran
2011/11/4
Palygorskite is a dominant clay mineral in most soils and sediments in central Iran. Few studies investigated the formation of palygorskite under the influence of groundwater in central Iran. This stu...
Relationship Between Soil Potassium Forms and Mineralogy in Highly Calcareous Soils of Southern Iran
Arid Illite Calcium carbonate Exchangeable K HNO -extractable K
2011/11/11
Thirty seven soil samples collected from arid and semiarid regions of southern Iran were studied to determine the different forms of potassium and their relation with clay mineralogy and other soil pr...
RETENTION OF FLUORIDE FROM INDUSTRIAL ACIDIC WASTEWATER AND NaF SOLUTION BY THREE TUNISIAN CLAYEY SOILS
Acidic wastewater Clayey soil Fluoride removal Freundlich isotherm model Industrial wastewater Langmuir isotherm models Tunisian clayey soils
2011/11/11
Clayey soil samples, Sebkhat El Malah-El Mkhacherma (MK), Jebel Haidoudi (H), and Zemlet El Beidha (ZB), from three regions in Southeast Tunisia were evaluated for their effectiveness to remove fluori...
Genesis and distribution of palygorskite and associated clay minerals in soils and sediments of southern Mashhad
Palygorskite Loess Clay minerals Paleoclimate Granite
2011/11/7
The occurrence of palygorskite and its formation conditions in soils and sediments were studied along a transect covering granitic hilly lands to marly hilly lands in southern Mashhad. Based on format...
Genesis and distribution of palygorslkite and associated clay minerals in soils and sediments of southern Mashhad
Palygorskite Loess:Clay minerals Paleoclimate Granite
2011/11/7
The occurrence of palygorskite and its formation conditions in soils and sediments were studied along a transect covering granitic hilly lands to marly hilly lands in southern Mashhad. Based on format...
Genesis and Clay Mineralogical Investigation of Highly Calcareous Soils in Semi-Arid Regions of Southern Iran
Calcium carbonate accumulation clay eluviation-illuviation neoformation semi-arid region
2011/11/7
Genesis and Clay Mineralogical Investigation of Highly Calcareous Soils in Semi-Arid Regions of Southern Iran.
Clay Minerals as a Feasible Additive to Stabilize Cadmium in Contaminated Soils
Amendment Clay Minerals Contaminated Soils
2011/11/15
The adsorption behavior of clay minerals in cadmium contaminated soils has been studied in order to remedy soils contaminated with this metal in this work. The results show that Langmuir model best de...
A Mineralogical and Morphological Characterization of Shrink-swell Soils of the Northern Plains of Jordan
Shrink-swell smectite mineralogy semi-arid environment soil genesis
2011/11/10
A Mineralogical and Morphological Characterization of Shrink-swell Soils of the Northern Plains of Jordan.
Pedogenesis and clay mineralogical investigation of soils formed on gypsiferous and calcareous materials, on a transect, southwestern Iran
Clay minerals Palygorskite Gypsum crystals Calcareous soils Semi-arid SEM
2011/11/8
This study examined pedogenesis, as well as the clay mineralogy of soil and rock samples obtained from a transect of gypsiferous and calcareous materials. The main objectives of this research were to ...
Genesis of selected gypsiferous soils in southeastern Iran
gypsiferous soils southeastern Iran Genesis
2011/11/10
The main objective of this research was to investigate the mode of gypsum deposition and the source of clay minerals in selected gypsiferous soils in Rafsanjan area,southeastern Iran.
The effects of palygorskite on chemical and physico-chemical properties of soils: a review
Palygorskite Soil-physical-chemistry Irrigated-agriculture Rheology Flocculation Clay-migration Disaggregation Dispersion
2011/11/4
Very little was known about how palygorskite affects soil properties when it constitutes a significant component of the soil clay fraction. This constituted a serious impediment for the proper managem...
Identification and Genesis of Clay Minerals in Soils from Farrokhshahr Area,Chaharmahal & Province
Clay minerals X-ray diffraction Electron microscope Infrared
2011/11/8
Identification and Genesis of Clay Minerals in Soils from Farrokhshahr Area,Chaharmahal & Province.
Methylene Blue Dimerization does not Interfere in Surface-Area Measurements of Kaolinite and Soils
Dye Adsorption Ethylene Glycol Adsorption Kaolinite Surface Methylene Blue Dimerization Specific Surface Area
2011/12/5
Abstract: Methylene blue (MB) was adsorbed from aqueous solutions onto a kaolinite and four soil samples to determine the effects of MB dimerization on the measured surface area. Adsorption isotherms ...
