نتایج جستجو برای: dcpd
تعداد نتایج: 114 فیلتر نتایج به سال:
Exo-tetrahydrodicyclopentadiene (tricyclo[5.2.1.02,6]decane) or JP-10 is a synthetic jet fuel, which can be used as high-density fuel in the air-breathing missile engineers and supersonic combustion ramjets. It produced from fully saturated version of exo-dicyclopentadiene (exo-DCPD). This work introduces new green method for isomerization endo-dicyclopentadiene (endo-DCPD) to exo- form presenc...
Carbonate apatite (CO₃Ap) block, which is a bone replacement used to repair defects, was fabricated through a dissolution-precipitation reaction using a calcium hydrogen phosphate dihydrate (DCPD) block as a precursor. When the DCPD block was immersed in NaHCO₃ or Na₂CO₃ solution at 80 °C, DCPD converted to CO₃Ap within 3 days. β-Tricalcium phosphate was formed as an intermediate phase, and it ...
The present study investigates the changes in microstructure and microchemistry (particularly Ca/P ratio) during whisker formation on the surface of TTCP powder in hydrochloric solution. XRD results indicate that the as-fabricated (non-treated) powder has a monolithic TTCP crystal structure. When the powder is treated for 10min in HCl, a DCPD phase appears on TTCP surface, which increases in in...
The aim of this study was to investigate retinal and choriocapillaris vessel changes in diabetic macular edema (DME) after the intravitreal dexamethasone implant (IDI) using optical coherence tomography angiography (OCTA). Moreover, a comparison between morphological and functional parameters of DME and healthy patients was performed. Twenty-five eyes of 25 type 2 diabetic retinopathy patients ...
Heterogeneous nucleation of dicalcium phosphate dihydrate, CaHPO4•2H2O (DCPD) was studied on untreated planar fused silica and on three modified silica surfaces: octadecylsilyl (OTS) modified silica, human serum albumin treated OTS silica, and UV-oxidized 3-mercaptopropyltriethoxysilyl (MTS) modified silica. The supersaturation ratio of calcium and phosphate solution with respect to DCPD was ke...
Epoxy and dicyclopentadien (DCPD) are two common healing agents, which are introduced into epoxy matrix through encapsulation in order to prepare self-healing composites. In a comparative study, the compatibility of healing agents and epoxy matrix is investigated through experimental tests and DFT calculations. The interaction energy is considered to be the determinative parameter in DFT calcul...
In this work, 1.4 mm dibutylphthalate (DBP) filled urea–formaldehyde (UF) microcapsules were used as Pickering stabilizers to create larger 140 mm microcapsules containing a second liquid phase, dicyclopentadiene (DCPD). The binary microcapsules were made by encapsulating the dispersed DCPD liquid (stabilized with the UF(DBP) microcapsules in water) via an isocyanate–alcohol interfacial polymer...
Because of the attractiveness of the canonical polyadic (CP) tensor decomposition in various applications, several algorithms have been designed to compute it, but efficient ones are still lacking. Iterative deflation algorithms based on successive rank-1 approximations can be used to perform this task, since the latter are rather easy to compute. We first present an algebraic rank-1 approximat...
The driving force and nucleation rate of calcium phosphate (Ca-P) precipitation in simulated body fluid (SBF) were analyzed based on the classical crystallization theory. SBF supersaturation with respect to hydroxyapatite (HA), octacalcium phosphate (OCP) and dicalcium phosphate (DCPD) was carefully calculated, considering all the association/dissociation reactions of related ion groups in SBF....
نانوالیاف کامپوزیتی پلیکاپرولاکتون(PCL)/ دی کلسیم فسفات دی هیدرات(DCPD) در حلال مناسب کلروفرم/متانول(۲۵:۷۵) با روش الکتروریسی تهیه شدند. نتایج حاصل از میکروسکوپ الکترونی روبشی نشان دهنده یکنواختی مناسب الیاف و عدم نقص گره با تغییر پارامتر الکتروریسی میباشد. همچنین نتایج نقشه برداری عنصری حضور و توزیع مناسب نانوذرات DCPD در ماتریس PCLتایید میکند. نتایج حاصل از اندازهگیری زاویه تماس نشان...
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