Materials Literature
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The article discusses approaches to the formation of the limit prices of aircraft with using of elements of economic-mathematical modeling. Theoretical and practical aspects of development of methods of solving economic problems in the implementation of the mechanism of formation of effective innovation-stimulating pr…
Bi2S3 thin films have been prepared and annealed at different temperatures (1500C, 2000C and 2500C) by chemical bath deposition method. The effect of annealing temperature of Bi2S3 films on I-V characteristics and Hall Effect studies were investigated. The current-voltage (I-V) studies show that current is directly pr…
In this paper, the EPR g factors gi (i=x, y, z) of the Cu2+ ions in turquoise are theoretically studied by using the third-order perturbation formulas of the g factors for a 3d9 ion in rhombically elongated octahedron. In these formulas, the contributions from the ligand orbital and spin-orbit coupling interaction and…
Doxorubicin is an anthracyline drug widely used in clinical as a broad spectrum anti-cancer drug to treat several cancers. It intercalates between base pairs in the DNA helix and inhibit topoisomerase II, preventing DNA replication. However, cardiotoxicity and renal damage has limited its application. Thus, selective…
Nitrogen doped amorphous carbon (a-C:N) was synthesized using a new custommade Aerosol-assisted Chemical Vapor Deposition (AACVD) from camphor oil as the precursor. The a-C:N thin films have demonstrated better quality in uniformity, high conductivity, moderate and suitable Id/Ig ratio from Raman analysis and optical…
Addition of an inorganic component to polymers leads to improvements in various physical and mechanical properties. These improvements are the result of a complex interplay between the properties of the individual constituent phases: the polymer, the filler, and the interfacial region. Filler morphology such as the pa…
Active secondary suspensions for railway vehicles have been studied for half a century. The number of published theoretical studies, laboratory experiments, on-track test and even implementations is huge. A few papers also aim to summarize the knowledge in state-of-the-art papers. This paper follows the development fr…
New complex of Zn (II) Imiquimod of the composition has been synthesized by the interaction of ZnCl2.4H2O with said ligand in ethanol medium. The complex so obtained has been characterized on the basis of molar conductance, magnetic measurement, IR, UV and thermogravimetric analyses.
本研究では，Ewoldtらが提案した三つの非線形粘弾性(NLVE)のパラメタ(G’L，G’M，S)を動的粘弾性(DMA)測定における最大振幅γ0と振動数f0の2変数空間上に表示した三次元プロットとその二次元空間への射影図が，ゴム材料の静的および動的な非線形特性を表す非常に有効な手法であることを示す．ここでγ0は，通常の線形粘弾性(LVE)が成り立つ低振幅(SAOS)からNLVEとなる高振幅(LAOS)まで走査することが重要である．NBR製ゴムシート試験片のNLVEパラメタ三次元マップと二次元射影図から，LVEからNLVEに移り変わるγ0の閾値はf0に依らず10%である，LAOS領域では複雑なNLVE特性をもつ，などがわかった．この…
Each of four wheel in one bogie has a different wheel/rail contact point because of understeering in a sharp curve negotiation. In general, the gauge corner of outside rails and the top of inside rail are lubricated in a shape curve. Each of wheel/rail contact points makes different friction coefficients. Therefore, a…
Reversible addition fragmentation chain transfer (RAFT) polymerization technique has been employed for the synthesis of double hydrophobic block copolymers poly(stearic acid methacryloyloxyethyl ester)-block-poly(Boc-phenylalanine methacryloyloxyethyl ester) (PSAMA-b-P(Boc-Phe-HEMA)) with fixed PSAMA block length and…
Carbon nanotube (CNT) is receiving a lot of attention as gas sensor material because it has the properties suitable for gas sensor such as its large surface area, chemical stability and good sensitivity at room temperature. At present two detection mechanism were proposed: Schottky barrier between electrodes and CNT a…
Several studies have reported that oxygen transport in ionomer in a PEFC catalyst layer (CL) is the rate determining process. To understand oxygen transport phenomena in ionomer in detail, diffusion-limited currents were measured by using the model electrode which simulates the system near platinum in CL under various…
Commonly, biocellulose was harvested from trees and cotton. However, Acetobacter xylinum, a gram-negative bacteria was discovered as being the microorganism capable of producing biocellulose by fermentation. This first generation of biocellulose is widely known as Nata whereby in Malaysia, this biocellulose was only p…
Gardening gloves are like socks at our place. You can never find a matching pair. But even if I have to resort to one of my husband's XL sized gloves, I'm afraid I'm too much of a sook to get out in the garden without them.
Although conventional flammability tests for solid materials such as NASA STD-6001B or JIS K 7021 are conducted in normal gravity condition, many researchers have reported that the flammability of a solid material extends in a mild flow which is slower than the buoyant flow. In the present paper, we conduct scale anal…
This test provides supplemental information on the reaction sensitivity of components to rapid pressurization heating when pneumatically impacted in a pressurized GOX system.
This paper presents the influence of the liquid infiltrated into the skin on the moisture measurement by a piston-type electrostatic sensor. The electrostatic sensor consists of the thin copper and silicone sheets and measures the voltage generated by which the sensor is contacted and released the skin. The voltage is…
4-(2-hydroxy phenyl)-2-phenyl-2,3-dihydro-1H-1,5-benzo diazepine(SATD),4-(2-hydroxy phenyl)-2-methyl-2,3- dihydro-1H-1,5-benzodiazepine (SAD), 4-methyl-2-phenyl-2,3-dihydro-1H-1,5-benzodiazepine (BAD) were synthesized by the condensation of o-phenylenediamine and chalkones and characterized by FTIR spectra. Corrosion…
Background The determination of the remaining life of pipeline coatings is important to make arrangements for capital repairs of pipelines with coating replacement. The knowledge of variation in properties of pipeline coating over the time and under the certain factors allows to carry out an optimum selection of coati…