نتایج جستجو برای: dcpd

تعداد نتایج: 114  

Journal: :Journal of Inorganic and Organometallic Polymers and Materials 2022

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...

2017
Kanji Tsuru Ayami Yoshimoto Masayuki Kanazawa Yuki Sugiura Yasuharu Nakashima Kunio Ishikawa

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 ...

2004
Kuan-Liang Lin Jiin-Huey Chern Lin Chien-Ping Ju

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...

2017
Lisa Toto Rossella D’Aloisio Marta Di Nicola Giuseppe Di Martino Silvio Di Staso Marco Ciancaglini Daniele Tognetto Leonardo Mastropasqua

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 ...

Journal: :Medicinski vjesnik 2010
Carrie Miller Ljepša Komunjer Vladimir Hlady

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...

2008
Steven D. Mookhoek Benjamin J. Blaiszik Hartmut R. Fischer Nancy R. Sottos Scott R. White Sybrand van der Zwaag

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...

Journal: :CoRR 2015
Alex Pereira da Silva Pierre Comon André Lima Férrer de Almeida

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...

Journal: :Biomaterials 2005
Xiong Lu Yang Leng

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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