نتایج جستجو برای: mineralized zones

تعداد نتایج: 49518  

Journal: :Journal of Fundamental and Applied Sciences 2023

Landsat 8 OLI data, Aeromagnetic and Radial Vertical Electrical Sounding (RVES) survey data were integrated to map lithology, delineate structures their trends, possible mineralized zones in the area. yielded a color composite image, surface lineaments of The aeromagnetic maps utilized subsurface structures. A radial confirmed fractures derived from structural maps. Results classified area into...

Journal: :iranian journal of earth science 0
shohreh hassanpour department of geology, payame noor university, iran saeedeh senemari department of mining, imam khomeini international university, qazvin, iran

the sorkheh deposit in northwestern iran exhibits several readily visible general characteristics of sediment-hosted stratiform copper (ssc) mineralization. it consists of fine-grained disseminated base-metal sulfides within gray sandstones (gray beds, the basal whitish miocene sandstone and shallow-water) that overlie a thick sequence of red beds (miocene upper red formation). the host gray be...

Journal: :Minerals 2023

The Alta Floresta Gold Province (PAAF) is abundant in gold deposits and, located the state of Mato Grosso, Brazil, an ideal place to study geoelectric signature mineralization. Auriferous mineralization occurs along shear zones quartz veins and disseminated granites this region. Ores are associated with oxides sulfides, mainly pyrites. To identify primary or continuities mineralized zones, data...

Journal: :Biomaterials 2007
Blaise D Porter Angela S P Lin Alexandra Peister Dietmar Hutmacher Robert E Guldberg

Although the beneficial effects of perfusion on cell-mediated mineralization have been demonstrated in several studies, the size of the mineralized constructs produced has been limited. The ability to quantify mineralized matrix formation non-invasively within 3D constructs would benefit efforts to optimize bioreactor conditions for scaling-up constructs to clinically relevant dimensions. In th...

Journal: :Acta biomaterialia 2015
Wen Yang Steven E Naleway Michael M Porter Marc A Meyers Joanna McKittrick

The boxfish (Lactoria cornuta) has a carapace consisting of dermal scutes with a highly mineralized surface plate and a compliant collagen base. This carapace must provide effective protection against predators as it comes at the high cost of reduced mobility and speed. The mineralized hydroxyapatite plates, predominantly hexagonal in shape, are reinforced with raised struts that extend from th...

Journal: :ISPRS Int. J. Geo-Information 2017
David M. Makori Ayuka T. Fombong Elfatih M. Abdel-Rahman Kiatoko Nkoba Juliette Ongus Janet Irungu Gladys Mosomtai Sospeter Makau Onisimo Mutanga John Odindi Suresh K. Raina Tobias Landmann

Bee keeping is indispensable to global food production. It is an alternate income source, especially in rural underdeveloped African settlements, and an important forest conservation incentive. However, dwindling honeybee colonies around the world are attributed to pests and diseases whose spatial distribution and influences are not well established. In this study, we used remotely sensed data ...

Journal: :Applied and environmental microbiology 1992
J T Spadaro M H Gold V Renganathan

Under nitrogen-limiting, secondary metabolic conditions, the white rot basidiomycete Phanerochaete chrysosporium extensively mineralized the specifically 14C-ring-labeled azo dyes 4-phenylazophenol, 4-phenylazo-2-methoxyphenol, Disperse Yellow 3 [2-(4'-acetamidophenylazo)-4-methylphenol], 4-phenylazoaniline, N,N-dimethyl-4-phenylazoaniline, Disperse Orange 3 [4-(4'-nitrophenylazo)-aniline], and...

2009
D S Li T W Cutress

Nuclear proton microprobe and histomorphometry were employed to study arsenic and fluoride distribution and effects on the mineralized tissues (teeth and bone) of rats. The results revealed that 1) fluoride (100 mg/L for 10 weeks) caused typical dental and skeletal fluorosis in rats, similar to those seen in humans; 2) no obvious effects of arsenic (30 mg/L for 10 weeks) on the mineralized tiss...

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