Materials Literature
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The diffusible hydrogen in steel weldments is one of the main reasons that led to hydrogen assisted cracking. In this paper, the results of literatures survey and preliminary tests of the diffusible hydrogen in underwater wet welding joint were presented. A fluid-discharge method of for measuring the diffusible hydrog…
A mild and ambient pyrrole synthesis via copper-catalyzed aerobic cyclization is described.
Context: Despite the great mortality and morbidity of stroke, treatment options remain limited. We previously showed that JM-20, a novel synthetic molecule, possessed a strong neuroprotective effect in rats subjected to transient middle cerebral artery occlusion. However, to verify the robustness of the pre-clinical n…
, 的滑动加速，最大值在 6 k 的一个装载电阻为 EMG 在 0.4 M 和 103.3 mW 的一个装载电阻为 TENG 102.8 mW 驱动。与有一个变压器的 TENG 和有一个力量管理电路的 EMG 的最佳的 hybridized 联合， 10 mF 电容器能容易在 20 s 被控告到 2.8 V。有 140 g 的轻重量和 12 厘米的小尺寸的包装 hybridized nanogenerator ?????? ? 丠? 楓？？
By magnetic separation and subsequent plasmon enhanced fluorescence, an assay platform with a signal output from completely "zero" background to fluorescence amplification is achieved, using quantum dots as reporters. So, it well breaks through the conventional "turn-on" strategy in both lower and upper limits. The se…
As an h.c.p crystal structure with only a few limited slipping planes, the AZ31 magnesium alloy exhibits a bad plasticity in the presence of external stress. Due to its low density, advanced damping capacity and high ratio strength and rigidity, the magnesium alloy has gradually become the focused and potential struct…
Positron Two Dimensional Angular Correlation of Annihilation Radiation (2D-ACAR) measurements reveal modifications of the electronic structure and composition at the surfaces of PbSe quantum dots (QDs), deposited as thin films, produced by various ligands containing either oxygen or nitrogen atoms. In particular, the…
2,6-lutidine molecules mix with water at high and low temperatures but in a wide intermediate temperature range a 2,6-lutidine/water mixture exhibits a miscibility gap. We constructed and validated an atomistic model for 2,6-lutidine and performed molecular dynamics simulations of 2,6-lutidine/water mixture at differe…
Third harmonic resistive leakage current and thermal imaging was commonly used as tool for monitoring and assessing the zinc oxide surge arrester condition. However, the measuring of leakage current on-site is highly influenced by electromagnetic interference (EMI) and caused difficulty to get accurate measurement. Th…
Abstract : Current research at the Defense Advanced Research Projects Agency(DARPA) investigates the realm of the possible and provides insightinto future force structures. DARPA is pursuing critical breakthroughtechnologies to enable a dispersion of assets while maintaining concentratedeffects. In particular, this ar…
Terahertz spectral analysis has been conducted on epitaxially grown semiconductor structures. Epitaxially grown semiconductors are important for microelectronic and optoelectronic devices and also for integrated circuits fabricated using semiconductors. In this paper, we report results of terahertz time-domain spectro…
In this paper, we consider the development of the methodology for the formation of nanostructured multi-layered composite coatings to improve the cutting properties of carbide cutting tools in the high-performance machining of various materials. The methodology for the formation of the composition, structure, and prop…
This report covers mainly the Electron Paramagnetic Resonance aspect of the last seven year of progress in host–guest chemistry involving nitroxides with cyclodextrins, cucurbiturils, calixarenes, capsules, nanoporous materials, metal organic framework (MOF), and nanotubes. Applications as probes for materials, as age…
Functional inorganic-organic hybrids were synthesized using as a precursor silica with the addition of an appropriate amount of lignin as components. Three types of silica were applied as the support: the commercial silicas Syloid 244 and Aerosil 200, and hydrated silica precipitated in a polar system. The silicon dio…
Intend of the present exertion is to prepare β-cyclodextrin (β-CD) based polymeric nanosuspension (PNS) of Efavirenz (EFV) with enhanced aqueous solubility and dissolution rate as compared to pure drug. EFV is a low aqueous soluble molecule because of which there is drug absorption problem. To overcome this problem po…
The coexistence of a solid solution with polymeric vanadium species in the case of 5VZr-2 and with the formation of ZrV 2 O 7 in the case of 5VZr-3, resulted in good catalytic performance, with up to 80% epoxide selectivity and 32% cyclohexene conversion.
The objective of this work was to investigate the potential application of Poly(3-hydroxybutyrate)/magnetic nanoparticles, P(3HB)/MNP, and Poly(3-hydroxybutyrate)/ferrofluid (P(3HB)/FF) nanocomposites as a smart material for bone tissue repair. The composite films, produced using conventional solvent casting technique…
SiO 2 @TiO 2 @silicalite-1 catalyst, with TiO 2 (Degussa P25) nanoparticles encapsulated by SiO 2 and adhered on the surface of silicalite-1 zeolite, was successfully fabricated by combining pressing, sintering and infiltration methods.
Crystallographic and magnetic characterization of a ferromagnetic transition-metal carbodiimide with an unusual two-step magnetic phase transition.
Numerical models based on DFT and semi-empirical quantum chemical calculations were developed for bulk and nano-sized BiVO 4 semiconducting oxide. Importance of surface reconstruction for electronic and vibrational properties was shown.