abstract background: the radiographic image accuracy depends on the x-ray film information visibility. good visibility is found by good contrast. radiation exposure parameters (kvp, mas) and film processing conditions have impact on contrast. in dentistry radiography machines, exposure time and processing procedure are set by radiographer. no optimized exposure time and processing conditions ma...

Abstract This essay provides a poetic picture of the author’s experience International Society for Study Time, which he has been member since 1970s. It includes excerpts from poetry, including “Turn Again,” an unpublished work “semantic autobiography” that charts process by meanings words emerge and deepen over lifetime. The word “Time,” especially as characterized founder Society, J. T. Fraser...

In this investigation we synthesized NaX-Nanozeolite by hydrothermal crystallization conditions.These nanoparticles were prepared at different conditions in a temperature controlled shaker. Thesynthesized zeolites were characterized by instrumental analysis methods, such as X-raydiffraction (XRD), X-ray fluorescence (XRF), scanning electron microscopy (SEM) andtransmission electron microscopy (...

A cross-sectional comparative study was carried out to investigate the productive and reproductive performances of different genetic groups of crossbred cows at three different farming conditions in Bangladesh. Crossbred cows (n=90) those already completed third lactations, were selected randomly from three different dairy farms (e.g. Jarip, Mullah and Nahar) located in Chittagong, Bangladesh. ...

The purpose of this study is to compare the impacts of momentum on stock returns of companies listed in Tehran Stock Exchange in different market conditions. For this purpose, the sample size is 120 months from 2008 to 2017. The research hypotheses are estimated using multivariate linear regression using time series method. Based on the results of the hypotheses test, the momentum in each of th...

As companies all have their specific strategies in order to develop companies. Companies always make various decisions that is the most appropriate industries. This paper discusses about how decision and are impacted by status current stage of During analyzation, AAA Framework, Porters’ Five Forces SWOT Analysis used. The research three Popmart, Lululemon Pepsi has resulted demonstrating import...