نتایج جستجو برای: tellurium extraction
تعداد نتایج: 175227 فیلتر نتایج به سال:
Across the bay: J((125)Te, (125)Te) spin-spin coupling is a highly sensitive probe into the electronic and geometric structure of 1,8-peri-substituted naphthalene tellurium derivatives. The coupling is related to the onset of multicenter bonding in these systems.
Plasmids determining resistance to arsenic, mercury, silver, and tellurium compounds in Escherichia coli and Pseudomonas aeruginosa were tested for resistance to 40 other metal compounds. Resistance to trivalent boron and hexavalent chromium compounds was a property of certain P. aeruginosa plasmids.
Since there is immense interest in extending Group III-V nitride blue lasers and light emitting diodes (LEDs) into the UV region, researchers at the University of Virginia at Charlottesville and the University of Tennessee at Knoxville have been studying tellurium (Te)-doped alkaline earth sulfide materials (such as SrS:Te; CaS:Te, and MgS:Te) as alternative sources for UV and deep-UV solid-sta...
Platinum nanotubes (PtNTs) exhibiting high porosity were constructed by sacrificing the exterior of tellurium nanowires (TeNWs) and disintegrating the inner part spontaneously in aqueous solution at room temperature, in which the Kirkendall effect may play an important role. The present PtNTs exhibited intrinsic peroxidase-like activity in the presence of H2O2.
Aspergillus was found as a dominant fungi to associate with brands of bindis. Among three potencies of four homeopathic drugs, Lycopodium 1M, Sulphur 1M, and Sepia 30 showed maximum inhibition zone of Aspergillus niger in inhibition zone technique. In poison food technique, Sepia 30M, Tellurium 30M, Sulphur 1M and Lycopodium 200 showed maximum percentage inhibition against A. niger
Novel stable tellurium-containing carbohydrate derivatives are prepared from hexitols and pentitols through a double nucleophilic substitution with NaHTe in PEG-400. These tellurosugars react at very high rates with two-electron oxidants, including hypochlorous and peroxynitrous acid, formed at sites of inflammation, and show considerable promise as protective agents against oxidative damage.
A coordination-responsive tellurium containing film was fabricated for controlled release. The coordination chemistry between telluride molecules and cisplatin was utilized for the loading of cisplatin, while competitive ligands were used for triggered release. This work could enrich the coordination responsive system and further tune the release kinetics of cisplatin.
Abstract The effect of Ag content on the linear and nonlinear optical characteristics thermal evaporated Se 90− x Te 10 thin films, 100 nm thick, (where = 0, 2, 4, 6, 8 at.%) has been examined. measurements were reviewed in wavelength range 390–2500 based transmittance reflectance data, amorphous state as-prepared film was confirmed by X-ray diffraction. absorption coefficient, extinction bandg...
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