Materials Literature
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Some pharmaceutical drugs namely valsartan, hydrocholorothiazide, erythromycin thiocynate and diclofenac potassium were studied as chemical additions for enhancing the finished copper surface attained. Anode potential-limiting current relationship was measured and comparing of gradually increasing pharmaceutical compo…
Two new co-crystals, tetraiodoethylene–phenanthridine (1/2), 0.5C2I4·C13H9N (1) and tetraiodoethylene–benzo[f]quinoline (1/2), 0.5C2I4·C13H9N (2), were obtained from tetraiodoethylene and azaphenanthrenes, and characterized by IR and fluorescence spectroscopy, elemental analysis and X-ray crystallography. In the cryst…
We synthesized 4-[7(4’-Cyanobiphenyl-4-yl)hexyloxy]bezoic acid (CBO7OBA) utilized as liquid crystal (LC) dopant. The CBO7OBA molecules form dimers with hydrogen bonding between molecules. We enhanced significantly the flexoelectric anisotropy of nematic LC mixture only with the small amount of doping of CBO7OBA. The f…
Objective: The aim of the present study was to prepare highly luminescent additive composite polymer with hyamine 1622 and Thioglycolic Acid (TGA) coated CdTe Quantum Dots (QDs). Methods: The additive nano-composite was synthesized by the colloid synthesis method for the first time. The properties like particle size,…
This paper presents the results of the aerothermal characterization of two additive manufactured offset strip fins Compact Heat Exchanger (CHX) modules, in the framework of the European project NATHENA (New Additive ManufacTured Heat ExchaNgers for Aeronautics). The two samples, with the same dimensions and internal f…
To study the effect of different polyethylene packaging bags on the preservation of water bamboo, the water bamboo (Zizania latifolia cv. Longjiao No. 2) from Tongxiang of Zhejiang Province were packaged in polyethylene (PE) bags with different thicknesses (0.02, 0.04, 0.06, 0.08 mm), and then stored at (2±1) ℃ with t…
Decellularized extracellular matrix (dECM) has been widely used as a scaffold for regenerative medicine due to its high biomimetic and excellent biocompatibility. As a functional polymer material with high water content and controlled fluidity, hydrogel is very promising for some minimally invasive surgery in clinical…
Biofouling on heat exchange devices can decrease heat transfer efficiency, corrode materials, and even lead to safety accidents. Most heat exchange devices are made of carbon steel that efficiently produces biofouling. However, in this paper, a nickel–phosphorus–reduced graphene oxide (Ni–P–rGO) coating was prepared o…
Abstract Reflectance on an optical lens surface changes its optical characteristics. To overcome this problem, an antireflection structure (ARS) was used to prevent reflection. The resin used in previous studies was not satisfactory for the optical device, and therefore in this study, a newly developed resin was used…
We propose a scheme for coarse-graining the dynamics of the 2-D kinetic Ising model onto the microcanonical ensemble. At subcritical temperatures, 2-D and higher-dimensional Ising lattices possess two basins of attraction separated by a free energy barrier. Projecting onto the microcanonical ensemble has the advantage…
Semiconductor nanocrystals (NCs) offer exciting opportunities to deploy infrared optoelectronic technology in a variety of applications that are off-limits to conventional single-crystalline materials. However, the performance and stability of state-of-the-art NC-based devices strongly depend on the details of the NC…
Synthetic substituted pyrroles are related with interesting biological activities, yet they remain inadequately explored within drug discovery. Late years have seen a growing interest in synthetic approaches that can provide access to structurally novel pyrroles so that the biological usefulness of this compound class…
The radionuclide activities were measured in sea sediment and coastal sand samples taken from the Black Sea to improve the understanding on coastal pollution as sediments and sand act as a sink for inorganic contaminants from various sources. The core sediments were taken from the Black Sea near to Varna city and sand…
Abstract When the semi-crystalline polymers undergo shearing during flow, the orientation of the molecular chains are induced. In order to study the effect of polypropylene orientation on foaming, we designed an injection mold with a long flow ratio. The samples were prepared by different process conditions and charac…
Liquid crystal based lenses with variable focal length are of broad interest due to their wide area of applications ranging from techniques to medicine. We present the modeling approaches and results for a couple of tunable liquid crystal based lenses, namely: curved electrode lens, lens with hole patterned electrode…
Abstract Computational fluid dynamics is used as a tool to predict the oil aerosol loading on filters moulded through ARTm® and are used in an oil‐injected vacuum pump. These filters are essential for reducing exhaust emissions, which, when suspended can cause great harm to the environment, climate, equipment life, an…
The chemical and morphological composition of animal biowaste is known to limit the efficiency of methane production by bacterial anaerobic digestion (AD). To better understand these material limitations, we studied degradative changes in cattle manure’s organic complex components chemical and morphological compositio…
The yarn is subjected to many internal stresses due to the raw material and yarn spinning steps used. The yarn get rid of these stresses which it subjected to and it gives opposite reaction againts rotation, which is described as yarn liveliness. Yarn liveliness, may cause the spirality problem especially in the struc…
Abstract We report on an investigation of the orthogonal coupling system of a NiO/CoPt bilayer on a Pt(111)/glass substrate, with CoPt showing strong perpendicular magnetic anisotropy. This system displays a favorable perpendicular exchange bias with an exchange bias field as high as −900 Oe, exceeding most of the res…
The morphology, epitaxy, band alignment, and optical response of silver nanoparticles on ZnO(101̅0) have been analyzed by microscopy, electron diffraction, photoemission and differential reflectivity. At 700 K, clusters tend to nucleate and grow exclusively along [010]-oriented polar steps and corners and not on flat…