A study of the effect of nano materials on the physical properties of epoxy composites

Teba Mageed Hameed

doi:10.30723/ijp.v15i32.157

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Publication Date

Fri Jan 11 2019

Journal Name

Iraqi Journal Of Physics

Volume

15

Issue Number

32

DOI

10.30723/ijp.v15i32.157

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A study of the effect of nano materials on the physical properties of epoxy composites

Polymer material

Composite material

Impact test.

Teba Mageed Hameed

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This research studies the effect of addition of some nanoparticles
(MgO, CuO) and grain size (30,40nm) on some physical properties
(impact strength, hardness and thermal conductivity) for a matrix
blend of epoxy resin with SBR rubber. Hand –Lay up method was
used to prepare the samples. All samples were immersed in water for
9 weeks.
The Results showed decreased in the values of impact strength and
hardness but increased the coefficient of thermal conductivity.

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Publication Date

Mon Sep 23 2024

Journal Name

Journal Of Inorganic And Organometallic Polymers And Materials

Quaternary Biocomposite of Chitosan-Polyvinyl Alcohol/Food Grade Algae/ Montmorillonite Clay for Cationic Methyl Violet 2B Dye Removal: Optimization and Desirability Functions

Muna Sarhan

Ali H.

Ahlam M.

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Publication Date

Sat May 01 2021

Journal Name

Journal Of Physics: Conference Series

Metal Complexes of Multidentate N2S2 Heterocyclic Schiff-base Ligands;Formation, Structural Characterisation and Biological Activity

Mohamad J.

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AbstractThe synthesis of ligands with N2S2 donor sets that include imine, an amide, thioether, thiolate moieties and their metal complexes were achieved. The new Schiff-base ligands; N-(2-((2,4-diphenyl-3-azabicyclo[3.3.1]nonan-9-ylidene)amino)ethyl)-2-((2-mercaptoethyl)thio)-acetamide (H2L1) and N-(2-((2,4-di-p-tolyl-3-azabicyclo[3.3.1]nonan-9-ylidene)amino)ethyl)-2-((2-mercaptoethyl)thio) acetamide (H2L2) were obtained from the reaction of amine precursors with 1,4-dithian-2-one in the presence of triethylamine as a base in the CHCl3 medium. Complexes of the general formula K2< ... Show More

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Publication Date

Mon Nov 07 2016

Journal Name

Abu Dhabi International Petroleum Exhibition & Conference

Developed Material Balance Approach for Estimating Gas Initially in Place and Ultimate Recovery for Tight Gas Reservoirs

reservoir simulation

Material Balance Equation

tight gas

calculation

complex reservoir

viscosity

tight gas reservoir

transmissibility

equation

Omar

Md Hossain

Steven

Ali

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AbstractThe gas material balance equation (MBE) has been widely used as a practical as well as a simple tool to estimate gas initially in place (GIIP), and the ultimate recovery (UR) factor of a gas reservoir. The classical form of the gas material balance equation is developed by considering the reservoir as a simple tank model, in which the relationship between the pressure/gas compressibility factor (p/z) and cumulative gas production (Gp) is generally appeared to be linear. This linear plot is usually extrapolated to estimate GIIP at zero pressure, and UR factor for a given abandonment pressure. While this assumption is reasonable to some extent for conventional reservoirs, this may incur ... Show More

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Publication Date

Sun Dec 09 2018

Journal Name

Baghdad Science Journal

Application of Randomly Amplified Polymorphic DNA (RAPD) Technique to Estimate Genetic Distance among Some Methicillin Resistant Staphylococcus aureus Isolated from Different Iraqi Hospitals

Methicillin resistant Staphylococcus aureus (MRSA)

randomly amplified polymorphic DNA

Genetic distance

DNA typing.

Alyaa

Maysaa Adil

Mohammed Saad

Wedean

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Methicillin resistant Staphylococcus aureus (MRSA) is one of the principal nosocomial causative agents. This bacterium has the capability to resist wide range of antibiotics and it is responsible for many diseases like skin, nose and wounds infection. In this study, randomly amplified polymorphic DNA (RAPD)-PCR was applied with ten random primers to examine the molecular diversity among methicillin resistant Staphylococcus aureus (MRSA) isolates in the hospitals and to investigate the genetic distance between them. 90 Isolates were collected from clinical specimens from Iraqi hospitals for a total of 90 isolates. Only 10 strains (11.11%) were found to be MRSA. From these 10 primers, only 9 gave clear amplification products. 91 fragment l

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Publication Date

Thu Jan 01 2009

Journal Name

Ibn Al-haitham Journal For Pure And Applied Science

Complexeation Behavior of CoII, NiII, CuII, ZnII, and CdII Ions Toward Schiff Base Derived From 2, 4-Dihydroxy Benzaldehyde and O-Phenylene Diamin

Ahmed T. Numan

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The aim of this work covers the synthesis and characterization of the new tertra dentate ligand (H4L) containing (N and O) as donor set atoms kind (N2O2) where: H4L=Bis-1,2 (2,4- dihydroxybenzylediene phylinediamine . The preparation of ligand contains reaction 2, 4 - Dihydroxy benzaldehyde and o-phenylene diamine . Schiff base was reacted with some metal ions in the presence of methanol to give the complexes in the general formula [M (H2L)] where: MII = Co, Ni, Cu, Zn, Cd. All compounds were characterized by spectroscopic methods I.R , U.V.-Vis, metal content and molar conductivity measurements, showed that the complexes are non-electrolyte. The proposed geometry for all of the proposed complexes was a tetrahedral while Ni complex was squa

Publication Date

Sat Mar 02 2019

Journal Name

Biochem. Cell.arch.

EVALUATION OF PRIMARY IMPLANTS STABILITY IN IMMEDIATE AND DELAYED TREATMENT PROTOCOLS ACCORDING TO BONE DENSITY, JAWS, GENDER AND AGE UTILIZING PERIOTEST M DEVICE

sahad

maha

saif

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Publication Date

Fri Jun 01 2018

Journal Name

Journal Of The College Of Languages (jcl)

ЯВЛЕНИЯ ПОЛИСЕМИИ И ОМОНИМИИ В СПЕЦИАЛИЗИРОВАННОЙ ТЕРМИНОСИСТЕМЕ (на материале геодезической терминологии) Homonymy and Polysemy in Technical Terminology: Terms of Geodesy as an Example

полисемия

оминимия

специализированная терминосистема

геодезическая терминология

полисемантические и омонимические термины.

homonymy

polysemy

geodesy

land survey

technical terminology.

Firdaws Kareem

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Aннотация

В статье представлены явления полисемии и омонимии в специализированной терминосистеме, а именно в геодезической терминологии; определены предпосылки и причины возникновения полисемии и омонимии в профессиональном языке в области геодезии и кадастра; установлены различия и взаимосвязь между понятиями омонимия и полисемия; выделены главных типы полисемантических тер

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Publication Date

Wed Aug 28 2019

Journal Name

International Journal Of Drug Delivery Technology

Synthesis, Characterization and Screening their Antibactrial Activity of some New Oxazepine and Diazepine Compounds Containing 1,3,4-Oxadiazole Ring Derived from L-Ascorbic Acid

1

3

4-oxadiazole

Schiff base

1

3-oxazepine

1

3-diazepine

L-Ascorbic acid

Israa A.

Rasmia M.

Jumbad H.

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The search involve the synthesis of some new 1,3-oxazepine and 1,3-diazepine derivatives were synthesized from Schiff base. The Schiff base (VIII) prepared from reaction of aldehyde (IV) derived from L-ascorbic acid with aromatic amine ([2-(4- nitrophenyl)-5-(4-aminophenyl)-1,3,4-oxadiazole] (VII). Oxazepine compounds (IX-XI) were synthesized from the cyclic condensation of Schiff base (VIII) with (maleic, phthalic and 3-nitrophthalic) anhydride, compounds (IX-XI) that were reacted with p-methoxyaniline to give diazepine derivatives (XII-XIV). The structures of the new synthesized compounds have been confirmed by physical properties and spectroscopy measurements such as FTIR, and some of them by 1 H-NMR, 13 CNMR, Mass, and evaluated

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Publication Date

Fri Jun 10 2022

Journal Name

V. International Scientific Congress Of Pure, Applied And Technological Sciences

Synthesis and characterisation of new Co(II), Zn(II) and Cd(II) complexes derived from oxadiazole ligand and 1,10-phenanthroline as co-ligand

oxadiazole

1

10-phenanthroline

metal complexes

Riyadh

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SYNTHESIS AND CHARACTERISATION OF NEWCo(II), Zn(II) AND Cd(II) COMPLEXES DERIVED FROM OXADIAZOLE LIGAND AND 1,10-PHENANTHROLINE AS Co-LIGAND

Publication Date

Sat Aug 09 2025

Journal Name

Oxidation Communications

SYNTHESIS AND SPECTRAL CHARACTERISATION, MOLECULAR DOCKING, AND ANTIOXIDANT ACTIVITIES OF NOVEL METAL COMPLEXES AND THEIR NANOCOMPLEXES DERIVED FROM AN ISATIN-BASED SCHIFF BASE

Lekaa K.A.

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