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Register a new userStudy the effect of the magnetic field on the reverse emulsion‘s behavior of Syrian heavy oil
دراسة تأثير الحقل المغناطيسي على سلوكية المستحلبات العكسية للنفط السوري الثقيل
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مع تقدم مراحل إنتاج النفط , تزداد نسبة المياه الطبقية المنتجة بشكل تدريجي , مما يؤمن الظروف المناسبة لتشكيل مستحلبات نفطية مع الماء بتوفر الخلط الناجم عن حركة الأطوار إضافة إلى وجود المواد المساعدة على الإستحلاب و الموجودة أصلاً في النفوط الثقيلة.
with advancing stages of oil production, the produced water ratio is gradually increased, which provides favorable conditions for the formation of oil emulsions.
References used
BARRY ,E 1999 - Newtonian waxy crude oils ' J. of the Institute o petroleum , vol . 57,No . 554, p.p. 74-85
EL EMAM ,N 2000- The Rheological characteristics of non – Newtonian thixotropic crude oils. Technical University of heavy Industries , Hungary.210p
JIM, J 2003 - Rheology and Stability of Water-in-Oilin- Water Multiple Emulsions Containing Span 83 and Tween 80” - AAPS PharmSci , UK
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This paper presents a study to reduction of heavy crude oil viscosity by
heating, where we select the best of temperature for all types instead of
constant temperature, whatever composition and viscosity of crude oil.
Bone neoformation is primary importance for the success of maxillofacial
surgical treatments. and there are various methods to reach this aim as the physical methods including the
usage of electrical , electromagnetic & static magnetic field due to
its effect on bone.
Aim of study to investigate, the effect of a static magnetic field on the density of bone and osteoblast ,
without bone graft, With auto graft and With hidroxiapatite.
In this article we studied two types of teeth, spherical and
conical one. We compared the results with a previous study for the
flat tooth. the study of stresses field under these three teeth show
that in the soft rocks we prefer to use conical to
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easy to be Implanted in the rock, and this was confirmed by the
values of stresses under the tooth. Either in hard rock and due to
our need for big values of pressure to shatter the rock we prefer to
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Oil and gas buried pipeline are usually protected by a thick organic coating and supported by a cathodic protection system. The protection process allows the pipe line protection against corrosion; however, corrosion is taken place in the cracks and
holes of insulation coating due to pipelines adjacency to electromagnetic fields. The process is called AC corrosion affected by some parameters such as AC induced amplitude, cathodic current protection and soil type. This corrosion was theoretically and practically studied by using carbon steel pieces. In addition, a solution stimulating the soil where the pipelines are buried was used. This phenomenon was studied through several experiments. Corrosion compounds were also analyzed. The results revealed a significant effect of AC induced amplitude and soil resistance. It has been also shown that 50 Hz frequency can be very quick in comparison with corrosion occurrence time at each positive or negative AC current phase.
This study aimed to identify the effect of Transformational Leadership Style on
Organizational Citizenship Behavior (OCB), of the Employees in Syrian commercial bank
in Damascus. This study has been testing hypotheses from the viewpoint of employee
s in
the Commercial Bank of Syria.
To achieve the objectives of this study, were prepared a questionnaire, in order to
collect primary data from the research sample, and after ascertaining the validity of the
study tools and internal consistency of the words of the variables, were tested the
hypotheses, using the SPSS program.
This study concluded by a number of results:
A weak positive impact of Transformational leadership style on the organizational
citizenship behavior.
A weak positive impact of (Leader Personality) on the organizational citizenship
behavior.
A very weak positive impact of (Inspirational Motivation) on the organizational
citizenship behavior.
A very weak positive impact of (The privacy of relationship between leader and
employee) on the organizational citizenship behavior.
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