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1.

Effect of Varying Curing Regimes and Powder-liquid Ratios on the Flexural Strength and Surface Porosities of Heat Cure Acrylic: An In-vitro Experiment Saleha Nisar, Faisal Moeen, Uzma Hasan International Journal of Dental Sciences and Research. 2015 3 (3). doi: 10.12691/ijdsr-3-3-6 Keywords: Polymethyl-methacrylate (PMMA), polymerization method, flexural strength, porosity, terminal boil Context: ...after immersion in water at 37°C for 28 days. Perimeter of each surfacepore was outlined and area of each pore was measured by a SEM. Total area of surface pores was calculated and expressed in percentage form. Results: Regression analysis indicated a very weak n... Abstract Full Text (PDF) [Epub] Full Text (HTML)

2.

In-situ Synthesis of PVA/HgS Nanocomposite Films and Tuning Optical Properties Omed Gh. Abdullah, Yahya A.K. Salman, Salwan A. Saleem Physics and Materials Chemistry. 2015 3 (2). doi: 10.12691/pmc-3-2-1 Keywords: polymer nanocomposite, mercury sulfide, optical band gap, complex dielectric constant Context: ...o study the effect of HgS content on optical properties of PVA. The nanocomposites films were characterized using FTIR, XRD, and SEM. The UV-Visible absorption spectra in the wavelength range (190–1100) nm were analyzed in terms of absorption formula for non-crystalline... Abstract Full Text (PDF) [Epub] Full Text (HTML)

3.

A Study of Positive Mental Health on Bengali Speaking Students of Higher Education in India and Bangladesh Subir Sen, Surajit Mahato, Gurudas Mandal, Birbal Saha American Journal of Educational Research. 2025 13 (5). doi: 10.12691/education-13-5-1 Keywords: PMH, Correlation, Validity, Reliability, PCA, CFA, SEM, India, Bangladesh Context: ...education students of both the countries and it is reflected by the measures of correlation, validity, reliability, PCA, CFA and SEM. PMH differed significantly across female responders from India and Bangladesh. Differences in demographics, attitudes toward learning, a... Abstract Full Text (PDF) [Epub] Full Text (HTML)

4.

Beneficial Effects of Honey-Based Diet on Glycemic Control and Reproductive Potential in Diabetic Rats Magnus Michael Chukwudike Anyakudo, Anuoluwapo Joshua Balogun, Michael Olufemi Adeniyi World Journal of Nutrition and Health. 2015 3 (2). doi: 10.12691/jnh-3-2-3 Keywords: diabetic rats, glycemic tolerance, honey-based diet, reproductive hormones, sperm analysis, testicular histology Context: ...eeks while sections of extracted testes were examined histologically. Data obtained were expressed as mean of eight replicates ± SEM. A significant (P < 0.05) reduction in total weight gain (DHF - 6.2%; NHF - 7.44%) with insignificant increase in food intake w... Abstract Full Text (PDF) [Epub] Full Text (HTML)

5.

Force Applied by Dentists during Cementation of All Zirconia Three Unit Bridges and Its Impact on Seating Nawaf M Almustafa, David NJ Ricketts, Graham Chadwick, William Saunders International Journal of Dental Sciences and Research. 2020 8 (4). doi: 10.12691/ijdsr-8-4-7 Keywords: CAD-CAM, Zirconia, cementation force, fixed prosthodontics Context: ...force (Newton), a universal testing machine (Instron) was used. Finally, the internal and marginal fit (µm) was determined using SEM. The results showed high initial force which reduced and plateaued after 30 seconds. Maximum force applied was 88.0 N and the mini... Abstract Full Text (PDF) [Epub] Full Text (HTML)

6.

Structural and Characteristics Change of Water Hyacinth Fiber due to Combine Effect of Plasma and Nano-technology Hari Prakash. N, Mariammal. M, Infant Solomon, Bornali Sarma, Arun Sarma American Journal of Materials Science and Engineering. 2017 5 (1). doi: 10.12691/ajmse-5-1-3 Keywords: contact angle, hydrophobicity, moisture, plasma treatment, wavelet analysis Context: ...pplied to understand the surface characteristics of water hyacinth fiber and compare its surface roughness value was measured by SEM. Furthermore, entropy of the treated and untreated fibers has also been calculated.... Abstract Full Text (PDF) [Epub] Full Text (HTML)

7.

Pb(II) Removal from Aqueous Solution by Cucumis Sativus (Cucumber) Peel: Kinetic, Equilibrium & Thermodynamic Study Ruchi Pandey, Nasreen Ghazi Ansari, Ram Lakhan Prasad, Ramesh Chandra Murthy American Journal of Environmental Protection. 2014 2 (3). doi: 10.12691/env-2-3-1 Keywords: Cucumis sativus, adsorption, equilibrium, kinetic, sorption-desorption, recovery, FTIR, SEM. Context: Cucumis sativus peel (CSP), was investigated as a new adsorbent for Pb(II) removal from aqueous solution under several varying conditions such as pH, adsorbent dosage, and contact time. Maximum metal sorption was found to occur at initial pH 5.0. The adsorption capacity of CSP was found to be 28.25mg/g for initial Pb(II) concentration of 25 mg/l at 25°C. The equilibrium data best fitted to the Langmuir adsorption isotherm model. Batch adsorption models, based on the assumption of the pseudo first-order and pseudo second order mechanism were applied to examine the kinetics of the adsorption. The results showed that kinetic data were followed pseudo second-order model than the pseudo first-order equation. With no loss in the Pb(II) ion removal efficiency, CSP could be regenerated using 1M HNO3 during repeated sorption–desorption cycles and showed recovery of 93.5% for 25mg/l of Pb(II) ion concentration. Comprehensive characterization parameters using FTIR, and SEM were recorded before and after adsorption to explore the number and position of the functional groups available for Pb(II) binding onto adsorbent and changes in surface morphology of the adsorbent. Abstract Full Text (PDF) [Epub] Full Text (HTML)