Materials Literature
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Equations are proposed for an easy estimation of elemental composition and gross calorific value (GCV) of residual biomasses from their proximate analysis. Four kinds of biomasses have been analyzed and a literature survey has been carried out to gather enough information for different types of biomasess, as well as a…
A few clay samples are collected from Karbi Anglong and North Cachar districts in Assam (India), were characterized with respect to moisture content, LOI, CEC, SiO 2 , Al 2 O 3 , Fe 2 O 3 , CaO, K 2 O, TiO 2 , P 2 O 5 , Na 2 O, MgO, and various trace elements and rare earth elements. The XRD measurement indicated that…
รบบอนนาโนโซเดยมไททาเนต (Na 1.48 H 0.52 Ti 3 O 7 ) ทมการจดเรยงโครงสรางเปนชน (layered structure) ถกสงเคราะหผานกระบวนการไฮโดรเทอรมอลโดยใชไททาเนยมไดออกไซด (TiO 2 , P25) เปนสารตงตน ภายใตสภาวะความเปนดางทอณหภม 200 องศาเซลเซยล เปนเวลา 40 ชวโมง Na 1.48 H 0.52 Ti 3 O 7 ทไดถกแลกเปลยนไอออนกบ Sn 2+ ระหวางชนโครงสรางไดผลตภณฑเปน H 0.…
A microbial fuel cell (MFC) and bioelectrochemical systems are novel bioprocesses which employ exoelectrogenic biofilm on electrode as a biocatalyst for electricity generation and various useful chemical production. Previous reports show that electrogenic biofilms of MFCs are time varying systems and dynamically inter…
Microwave incinerator as one of the modern incinerators is proposed to produce amorphous Microwave incinerated Rice Husk Ash (MIRHA) with high pozzolanic reactivity thus can significantly enhance concrete properties. Analyses on the MIRHA with various burning temperature, the temperatures used were 300°C, 400°C, 500°C…
A new family of the low-buckled Dirac materials which includes silicene, germanene, etc. is expected to possess a more complicated sequence of Landau levels than in pristine graphene. Their energies depend, among other factors, on the strength of the intrinsic spin-orbit and Rashba couplings and can be tuned by an app…
Synthesis of high quality boron carbide (B4C) powder is achieved by carbothermal reduction of boron oxide (B2O3) from a condensed boric acid (H3BO3) / polyvinyl acetate (PVAc) product. Precursor solutions are prepared via polymerisation of vinyl acetate (VA) in methanol in the presence of dissolved H3BO3. With excess…
Synthesis of metal borides is typically undertaken at high temperature using direct combinations of elemental starting materials[1]. Techniques include carbothermal reduction using elemental carbon, metals, metal oxides and B2O3[2] or reaction between metal chlorides and boron sources[3]. These reactions generally req…
We have studied oil in water microemulsion system comprising Triton X-100 (TX100) as surfactant, cosurfactant (octanol) and oil (decane) by dynamic light scattering at various concentration. In diluted regime, the autocorrelation function exhibits a nearly mono-exponential relaxation. The best fit is obtained by using…
In an effort to avoid the yellow colors of LCP’s prepared from aryl acetates, new aryl formates were prepared from 4-hydroxybenzoic acid, methyl 4-hydroxybenzoate, and 4,4’dihydroxybiphenyl by the method of Van Es and Stevents. Heating these aryl formates to 110-150 oC caused loss of CO to give the corresponding pheno…
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Diarylethenes (DAE) are a class of photochromic molecular switches that convert between two structural isomers upon excitation with light. A great deal of research has been dedicated to elucidating the mechanisms of the reversible electrocyclic reactions to make optical memory devices with DAE compounds, but details o…
Lactose is a widely used excipient in the pharmaceutical industry. It exists as anhydrous, alpha- and beta- monohydrate forms, which can be either crystalline or amorphous. Commercially available lactose comes in various grades differentiated by physical forms as well as modifications such as particle size. These char…
The performance of many energy conversion and storage devices depend on the properties of mixed ionic-electronic conducting (miec) materials. Mixed or ambipolar conductors simultaneously transport ions and electrons and provide the critical interface between chemical and electrical energy in devices such as fuel cells…
A comprehensive corrosion research project consisting of pilot-scale combustion testing and long-term laboratory corrosion study has been successfully performed. A pilot-scale combustion facility available at Brigham Young University was selected and modified to enable burning of pulverized coals under the operating c…
Electrochemical Double Layered Capacitors (EDLC's) are becoming a more popular topic of research for hybrid power systems, especially vehicles. They are known for their high power density, high cycle life, low internal resistance, and wider operating temperature compared to batteries. They are rarely used as a standal…
We propose a scheme to detect the Majorana bound states (MBSs) by a thermodynamically stable D.C. Josephson current with $4\pi$-periodicity in the superconducting phase difference, which is distinct from the previous A.C. $4\pi$-periodicity found in topological superconducting Josephson junctions. The scheme, consisti…
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Nanotechnology holds exciting potential to significantly advance research in many fields such as sensors, environmental sustainability and cleanup, energy harvesting and storage, as well as nanoelectronics. The resulting high demand for implementation into these areas has simultaneously created a large need for effect…
To date, high-resolution electron microscopy has largely relied on using the phase of the exit wave function at the exit surface to form a high-resolution electron microscopic image. We have for the first time used chromatic aberration correction to implement a new imaging mode to achieve amplitude contrast imaging in…