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تعداد نتایج: 2747 فیلتر نتایج به سال:
statement of the problem although the primary use of tissue conditioners is to treat abused mucosa, these materials are also frequently used as functional impression materials. insufficient information is available on the effect of these materials on the surface of dental stone casts. purpose this study evaluated the effect of a tissue conditioner (acrosoft) on surface roughness of dental stone...
The objective of the paper is to empirically test relation between carbon emissions, environmental disclosures, assurance sustainability reports and firms’ Cost Equity (COE) measured by an Ex-Ante proxy model. methodological approach uses Generalized Method Moments (GMM) required control endogeneity problems using a sample 929 firms that are included in Morgan Stanley Emerging Market Index. dat...
The exoelectric e ect provides a linear coupling between electric polarization and orientational deformation in liquid crystals. It in uences many electrooptical phenomena and it is used in some bistable nematic devices. A statistical theory of dipole exoelectric polarization in biaxial nematic liquid crystals is used to calculate temperature dependence of order parameters, elastic constants, a...
A lossless image compression algorithm based on adaptive subband decomposition is proposed. The subband decomposition is achieved by a two-channel LMS adaptive "lter bank. The resulting coe$cients are lossy coded "rst, and then the residual error between the lossy and error-free coe$cients is compressed. The locations and the magnitudes of the nonzero coe$cients are encoded separately by an hie...
Tests for speeding up the determination of the Bernstein enclosure of the range of a multivariate polynomial and a rational function over a box and a simplex are presented. In the polynomial case, this enclosure is the interval spanned by the minimum and the maximum of the Bernstein coe cients which are the coe cients of the polynomial with respect to the tensorial or simplicial Bernstein basis...
BACKGROUND Porcine epidemic diarrhea caused by porcine epidemic diarrhea virus (PEDV) has led to serious economic losses to the swine industry worldwide. In this study, an oral recombinant Lactobacillus casei vaccine against PEDV infection targeting the intestinal microfold (M) cells and dendritic cells (DCs) for delivering the core neutralizing epitope (COE) of PEDV spike protein was developed...
BACKGROUND The target sample size for clinical trials often necessitates a multicenter (center of excellence, CoE) approach with associated added complexity, cost, and regulatory requirements. Alternative recruitment strategies need to be tested against this standard model. OBJECTIVES The aim of our study was to test whether a Web-based direct recruitment approach (patient-centric, PC) using ...
Microbial electrosynthesis is a sustainable strategy for electricity-driven chemical production. In their Communication (e202305189), Guillermo C. Bazan et al. designed an n-type redox-active conjugated oligoelectrolyte (COE) that intercalates into cell membranes and mimics the function of endogenous transmembrane electron transport proteins. The incorporation COE electroactive bacteria amplifi...
STATEMENT OF PROBLEM Denture cleansers used in clinical practice can damage resilient denture lining materials. PURPOSE This study evaluated the effects of a denture cleanser on weight change, roughness, and tensile bond strength on 2 denture resilient lining materials. MATERIAL AND METHODS Forty specimens of microwave acrylic resin (Onda-Cryl), 30 mm in diameter and 4 mm thick, were prepar...
Layered solids often form thin plate-like crystals that are too small to be studied by single-crystal X-ray diffraction. Although powder X-ray diffraction (PXRD) is the conventional method for studying such solids, it has limitations because of peak broadening and peak overlapping. We have recently developed a software-based rotation electron diffraction (RED) method for automated collection an...
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