Materials Literature
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The formulation of natural substances using a biocompatible or biodegradable carrier material to form composites or encapsulates has great relevance for the pharmaceutical, cosmetic, and food industries. Several precipitation methods with supercritical fluids have been successfully adapted to produce these materials.…
Due to a formatting error during the production process of this article [1], equations 4 and 5 were published incorrectly in the PDF of the article [1]. The equations were, however, correctly presented in the HTML version of the article. Equations 4 and 5 are correctly included in this erratum. The publisher takes ful…
Interpenetrating polymer networks (IPNs) are unique alloys of crosslinked polymers. It is a special class of polymer blend in which two or more polymers are in network fashion. An IPN is an intimate combination of two polymers, where at least one of which is synthesized or crosslinked in the immediate presence of the…
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TINJAUAN PERMEABILITAS DAN ABSORBSI BETON DENGAN MENGGUNAKAN BAHAN FLY ASHSEBAGAI CEMENTITIOUSReview The Use of Fly-ash as a Cementitious to Concrete Absorbtion and PermeabilityErwin Rommel1, Yusuf Wahyudi2, Rozy Dharmawan31,2Jurusan Teknik Sipil Universitas Muhammadiyah Malang Jl. Raya Tlogomas 246 Malang 65144 Telp.…
Inhibitive action on corrosion of mild steel in acidic media has been studied using Mass Loss Technique and Thermometric Method. Corrosion of mild steel in H 2 SO 4 solution can be effectively inhibited by addition of extract of Leptadenia pyrotechnica as green corrosion inhibitor. The results indicate that all the ex…
"Electrical conduction in graphene and nanotubes, by Shigeji Fujita and Akira Suzuki." Contemporary Physics, 57(2), pp. 276–277
Using on-line services and the ChemBioOffice2014 software package the values of the partition coefficients of some N-R-amine derivatives have been calculated. To identify the quantitative relationships and select the optimal algorithm of calculations the correlation and regression analysis of the values obtained has b…
The principles of “green chemistry” have been introduced into the procedure of manufacturing synthesis of Amizone. All starting raw materials as solvents have been assessed in accordance with their human toxicity, danger in production, as well as the possible impact on the environment and cost. According to the result…
A simulation model was built to numerically investigate the electron emission property of a new surface-conduction electron emitter (SCE) with a raised emitter structure. The model calculated the electric field distribution, the electron emission characteristics, and the electron trajectories, which were useful for an…
Humidity control of wood for carbonization is essential for charcoal production. The objective was to evaluate drying and the influence of moisture of Eucalyptus urophylla and Corymbia citriodora wood on carbonization of the material. Drying and net calorific value of E. urophylla and C. citriodora logs were followed…
The alcoholic extracts of fruit, leaves and stem of plant Cordia Dichotoma were studied for their corrosion inhibition efficiency for mild steel in acid media. The studies showed that the fruit extract of this plant is more potent corrosion inhibitor than the leaves and stem extratcs of Cordia dichotoma .The corrosion…
ABSTRAK STUDI PEMBUATAN SPESIMEN MINI UJI TARIK DENGAN TEKNIK BLANKING/PUNCHING . Telah dilakukan studi pembuatan spesimen mini uji tarik dengan teknik blanking/punching . Tujuan dari studi ini adalah untuk memperoleh informasi-informasi teknis yang akan digunakan untuk merancang rangkaian dies spesimen mini uji tarik…
ABSTRAK KEDARURATAN NUKLIR DI INDONESIA DAN PENANGGULANGANNYA. Kebutuhan sumber energi di Indonesia di abad 20 diprediksi akan meningkat pesat sehingga diperkirakan akan terjadi krisis listrik. Selama ini kebutuhan energi listrik di Indonesia menggunakan bahan bakar tak terbarukan seperti : minyak bumi, batubara , pan…
This work reports a new method for growing semiconductor nanorods on a porous silicon substrate. After preparation of n-type porous silicon samples, a thin layer of gold was deposited on them. Gold deposited samples were annealed at different temperatures. The structural, thermal, and optical properties of the samples…
We study Hall and Nernst transports in monolayer MoS2based on Green’s function formalism. We have derived analytical results for spin and valley Hall conductivities in the zero temperature and spin and valley Nernst conductivities in the low temperature. We found that tuning of the band gap and spin-orbit splitting ca…
Abstract The Penn State Micro‐Oxidation (PSMO) test was used in an inverse manner to pre‐cover metallic pan surfaces with polymeric, transitioning and carbonaceous films. These pre‐coated pans were then used as the initial test specimen/surface upon which fresh lubricant samples were aged. The effects of pre‐deposits…
A series of Mannich base monophenol ligands [2,4‐tBu2‐6‐CH2NMe2‐PhOH (HA), 2,4‐tBu2‐6‐CH2NEt2‐PhOH (HB), 2,4‐tBu2‐6‐CH2Py‐PhOH (HC), 2‐tBu‐4‐Me‐6‐CH2Py‐PhOH (HD), 4‐tBu‐2,6‐(CH2Py)2‐PhOH (HE)] were synthesized by Mannich reaction using phenol and formaldehyde reacting with secondary amine. A series of homoleptic lanth…
In this study, Cu2O-CuO/ZSM-5 nanocomposite was synthesized by the impregnation method, and its catalytic performance for the destruction of AO7 in aqueous solutions was investigated. The morphology, structure and surface element valence state of Cu2O-CuO/ZSM-5 were characterized by transmission electron microscopy, X…
Single‐phase polycrystalline Sr 2 Ru 1− x Co x O 4 are successfully synthesized by conventional solid‐state method with doping content up to x = 0.25. Ferrimagnetism develops among the incommensurate antiferromagnetic fluctuations in the doped compounds. An abnormal coercivity–temperature relation at a high doping lev…