نتایج جستجو برای: press time
تعداد نتایج: 1948150 فیلتر نتایج به سال:
the target of this study was to investigate the possibility of mdf productionfrom eucalyptus camaldulensis wood. mdf fibers were produced applying threelevels of steaming time. laboratory mdf boards were produced using thegenerated fibers and different pressing temperature and time. physical andmechanical properties of mdf panels were measured using relevant eu testmethods and were statisticall...
the present paper investigates how far ideologies can be tease out in discourse by examining the employed schemata by two ideologically opposed news media, the bbc and press tv, to report syria crisis during a period of nine months in 2011. by assuming that news is not a valuefree construction of facts and drawing on micro structural approach of schema theory, for the first time in discours...
paulownia is one of the fast-growing species that was attended to supply industrial requirement in recent years. the application of this species is limited because of low density, so wood modification via compression and densification is an effective method. for this purpose, the paulownia boles were prepared from shastkalateh forest and cut into blocks with 60×20×20 mm dimension. the variable ...
in this research the utilization of acacia wood (acacia salicina) in medium density fiber board production was investigated. sample boards were made from acacia fibers at two resin contents (10, 12%), two press temperatures (175, 185 ˚c) and three press times(3, 4, 5 min). the results were analyzed based on a complete randomized design (crd) under a factorial experiment. results revealed that i...
a model capable of predicting the minimum content of aflatoxin m1 (afm1) in iranian while brine cheese has been developed using a chemometric approach to determine the optimum processing conditions. renneting temperature, cut size, stirring time, press time, curd size and saturated brine ph were all regarded as process variables. three-dimensional response surface and contour plots were drawn. ...
The target of this study was to investigate the possibility of MDF productionfrom Eucalyptus camaldulensis wood. MDF fibers were produced applying threelevels of steaming time. Laboratory MDF boards were produced using thegenerated fibers and different pressing temperature and time. Physical andmechanical properties of MDF panels were measured using relevant EU testmethods and were statisticall...
This research is collaborative investigation with the general-purpose motor manufacturer. To review construction method in production process, we applied the parameter design method of quality engineering and tried to approach the optimization of construction method. Conventionally, press-fitting method has been adopted in process of fitting rotor core and shaft which is main component of motor...
particle size, board density and adhesive content are the most important factors, influencing on physical and mechanical properties of particleboard. in this study the effects of density, adhesive content and particle size on withdrawal strength of particleboard made from populus (populus alba) particles have been studied. three levels of density including 0.65, 0.7, and 0.75 g/cm3, three level...
reviewing the dialogues in the press of constitutional era, especially its usage climax as a façade of new criticism, is our basic goal in this study. emphasizing the press, as a principal tool of informing /reporting of the time, is due to their critical role. the main query, here, is that, can we thematically put these discourses into analogous approaches? applying a descriptive-analytic meth...
Background and aims: Work-related musculoskeletal disorders (WMSDs) are the most prevalence problems of working populations in many developing countries and specifically in Iran. One of the most important disorders is Carpal Tunnel Syndrome (CTS) which has been reported in many industries, especially in workers of automotive companies. The aim of this study is the risk assessment of related f...
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