نتایج جستجو برای: national iranian drilling company
تعداد نتایج: 536867 فیلتر نتایج به سال:
surge and rotating stall phenomena are two dynamic instabilities that occur in both axial and centrifugal compressors. surge is the stream instability phenomenon in compressor that imposes severe damages to the compressors. nowadays, suppressing surge phenomenon is one of the most important issues in oil and gas industries, especially when flow reduction or gas reflux is considered. this resear...
BACKGROUND Scientific journals are the most credible and updated information resources for valid information in the various fields of science and technology. The present study investigates the status of Iranian scientific journals in disseminating medical information to the world of science. MATERIALS AND METHODS Total 163 Iranian medical journals accredited by national medical journals commi...
OBJECTIVE To assess the national prevalence of short stature, underweight, overweight and obesity in 6-year-old Iranian children before school entry. DESIGN Cross-sectional nationwide survey. SETTING Mandatory national screening programme before entrance to elementary school in 2008 in Iran. SUBJECTS All Iranian children entering public and private elementary schools. RESULTS The study ...
Stress is a major outcome of daily routines of employees of both public and private organizations. Stress holds a special place in discussions pertaining to the organization, since it often inflicts heavy costs on the organization. The aim inflicts heavy costs on the organization. The aim behind the present research is to identify factors reducing stress in Tehran's National Oil Products Distr...
BACKGROUND The Marcellus Shale is a vast natural gas field underlying parts of Pennsylvania, New York, West Virginia, Virginia, and Maryland. Rapid development of this field has been enabled by advances in hydrofracking techniques that include injection of chemical and physical agents deep underground. Response to public concern about potential adverse environmental and health impacts has led t...
One of success factors of public-private partnership contracts is the effective public supervision on their implementation, including standards to be observed by the private party to the partnership. In other words, a key element in using private sector’s potential is defining activity standards and precise supervision of their implementation. In this research we identify the factors that impa...
The purpose of this research was to identify the factors affecting employees envy in the workplace and to examine the concept of employees envy in the workplace and its consequences. The purpose of this study was qualitative, based on thematic analysis and using interviewing tools with an exploratory and semi-structured approach. The statistical population of the study consisted of experts from...
This study focuses on the economization of natural anhydrite, which has a wide range uses and is environmentally friendly, in Türkiye. Anhydrite, one most common evaporitic minerals world, almost no usage area Evaporite deposits consisting gypsum, halite, bassanite selenite are prominent country, especially Tertiary period sedimentary basins. The Sivas basin these important Mining operates carr...
in the beginning of dr. mossaddeq government’s foundation, a board consisting of 5 delegates from senate, 5 delegates from national consultative assembly and economy minister or his deputy was formed for the execution of nationalizing the iranian oil industry’s law. in 2nd of june 1951, by government suggestion and board’s approval, a tripartite group formed as provisional board of directors of...
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