نتایج جستجو برای: spessartine garnet

تعداد نتایج: 4119  

Journal: :Minerals 2022

In this paper, −10 μm rutile and −30 garnet particles were selected as samples. The effects of different reagents on the flotation single minerals studied, mechanism was analyzed by contact angle, zeta potential, Fourier transform infrared (FTIR) measurements. results show that an optimal recovery is obtained with benzohydroxamic acid (BHA) collector for sodium silicofluoride (SSF) inhibitor ga...

2015
Greg Burke Brian McCaughan Allan Glanville

Tracheal squamous cell carcinoma detected early in a high-risk patient has been treated twice with local neodymium-yttrium aluminium garnet laser therapy with good result so far. Ongoing bronchoscopic monitoring continues.

بهمنش, اسماء, حسن‌پور, احمد, نیایی‌فر, محمد,

Praseodymium ion (Pr3+) substituted yttrium iron garnet nanoparticles PrxY3-xFe5O12 (x = 0.0, 0.1, 0.2, 0.3, 0.4) were fabricated by the sol-gel method. X-ray diffraction (XRD) patterns confirmed the pure garnet structure for all samples. The chemical bonds and the garnet phase were studied by using Far-FTIR. The magnetic hyperfine parameters were obtained by MÖssbauer spectroscopy and confirme...

حسن پور, احمد , مدملیل, الهام , نیایی‌فر, محمد ,

In this study, aluminum ion (Al3+) substituted yttrium iron garnet nanoparticles Y3AlxFe5-xO12 (x = 0.0, 0.2, 0.4) were fabricated by the sol-gel method. X-ray diffraction (XRD) patterns confirmed the pure garnet structure for all samples. The chemical bonds and the garnet phase were studied by using FT-IR, Far-FTIR. The cation distribution and the magnetic hyperfine parameters were obtained by...

Journal: :زمین شناسی اقتصادی 0
میر علی اصغر مختاری محمد ابراهیمی محمد رضا قربانی

introduction the avan cu-fe skarn is located at the southern margin of qaradagh batholith, about 60 km north of tabriz. the skarn-type metasomatic alteration is the result of qaradagh batholith intrusion into the upper cretaceous impure carbonates. the studied area belongs to the central iranian structural zone. in regional scale, the studied area is a part of the zangezour mineralization zone ...

Journal: :The EMBO journal 1997
C E Ooi J E Moreira E C Dell'Angelica G Poy D A Wassarman J S Bonifacino

Drosophila eye pigmentation defects have thus far been attributed to mutations in genes encoding enzymes required for biosynthesis of pigments and to ABC-type membrane transporters for pigments or their precursors. We report here that a defect in a gene encoding a putative coat adaptor protein leads to the eye color defect of garnet mutants. We first identified a human cDNA encoding delta-adapt...

Journal: :Periodontology 2000 2016
Koji Mizutani Akira Aoki Donald Coluzzi Raymond Yukna Chen-Ying Wang Verica Pavlic Yuichi Izumi

Laser therapy has the potential to be an effective, minimally invasive procedure in periodontal therapy. The aim of the present review was to survey the relevant literature on the clinical application of lasers as a minimally invasive treatment for periodontitis and peri-implant disease. Currently, there are a large number of published clinical studies and case reports that evaluate the adjunct...

Journal: :Journal of the American Academy of Dermatology 2014
S Tyler Hollmig Zakia Rahman Michael T Henderson R Maxwell Rotatori Hayes Gladstone Jean Y Tang

BACKGROUND Laser therapies have been Food and Drug Administration approved for temporary nail plate clearance; however, there is minimal evidence of their long-term efficacy. OBJECTIVE We sought to evaluate the clinical and mycological clearance of toenails treated with 1064-nm neodymium:yttrium-aluminum-garnet laser versus no treatment. METHODS This was a randomized, controlled, single-cen...

آلیانی, فرهاد , شکراللهی, پروین , میری, میرمحمد ,

Garnet bearing staurolite schists comprise an important part of regional metamorphic succession in the Hamedan area (north of the Sanandaj-Sirjan zone). These rocks contain staurolite and garnet porphyroblats that lie in a matrix which is composed of biotite, muscovite and quartz. The staurolites in Fe-rich and show little chemical composition diversities. Almandin is the most important compone...

بهاری‌فر بهاری‌فر, علی اکبر, لین ‌چونگ, سون, نانگ ‌پنگ, کوان‌,

Crystal form of almandine-rich garnets from staurolite schists of Aliabad-Damagh, changes from pure {110} to pure {211} and intermediate forms between these two end-members. Compositional zoning patterns of all forms are similar, consistent with one-step growth during prograde metamorphism. Mineral chemical data indicate that (Mn + Mg)/Ca in the ~60-micron rim of the almandine-rich garnet cryst...

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