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    Dear Mohamad
    I need "Two phase flow in pipes by biggs&brills. I was wonder if you could post it to me. my mail: [email][/email]
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    Hi Dear Mohammed,
    How can I find your FTP site and if you still have Surpac and Geocom desktop?

    Thanks a lot.

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    Dear Mohammed,

    Could you kindly help me in locating the downloadable links for the following as I badly need them:
    >Marks Handbook for Mechanical Engineers - full downloadab - 10th or latest edition
    >Encycopaedia on Occupational Safety and Health, ILO publication - full download

    Wishing you peace and hapiness. May Allah bless you

    e-mail id : [email][/email]

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    Dear Mohammed,
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    salam alikom mohamed
    i could download the pha pro 6 but i could not insatlled on my pc .. the lisce,ce dose nyt work ???
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    Really great work Eng. =D>
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    hi,mohammed,thanks 4 your big effort
    plz this link doesn't work,can you activate or re-upload it

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    there are many spam posts
    probably you need to delete the above
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    Heat exchangers: selection, rating, and thermal design By Sadık Kakaç, Hongtan Liu-this book is available with you?
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    Hi Mohamed, Can you help me as Administrator of this forum how I can obtain a downloaded the SPE Petroleum Engineering Handbooks ( Vol I, II, III, IV, V ) complete for the second edition).
    I see that our co-member named theislandboy had already publicated in the web, but I need some help and instructions., because for any reasons I can't downloaded.
    Please I would like appreciate when you have free time, send me e-mail with instructions.
    Always I appreciate your cooperation in this matter.

    Thanks, Regards

    Richard Illa
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About Mohamed

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Graduated From Chemical &Petroleum Refining Engineer Dept.
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حلقات البرنامج الاذاعى ( بسمة أمل) للداعية الدكتور عمرو خالد

by Mohamed on 05-04-2013 at 11:48 PM
حلقات البرنامج الاذاعى ( بسمة أمل) للداعية الدكتور عمرو خالد

جميع حلقات البرنامج الاذاعى
( بسمة أمل)
للداعية عمرو خالد

  1. بسمة أمل برنامج إذاعى قصير يقدمه د. عمرو خالد يحكى فيه عن قصص و أخلاق و عبر لترسم على وجوهنا بسمة أمل

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ابدأ بالأهم ولو كان صعبا

by Mohamed on 02-06-2013 at 11:17 AM
Quote Originally Posted by Mohamed View Post
ابدأ بالأهم ولو كان صعبا
تمت الإضافة بتاريخ : 17/12/2012م
الموافق : 4/02/1434 هـ

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Difference Between Viscosity and Density

by Mohamed on 10-16-2012 at 01:50 PM
Quote Originally Posted by Mohamed View Post
Viscosity and density are two properties of liquids and gases (or referred as fluids). They are very useful physical quantities when it comes to describing statics and dynamics of these substances. Viscosity and density alone can describe more than half the properties of a fluid. Viscosity Viscosity is defined as a measure of the resistance of a fluid which is being deformed by either shear stress or tensile stress. In more common words, viscosity is the “internal friction” of a fluid. It’s also referred as the thickness of a fluid. Viscosity is simply the friction between two layers of a fluid when the two layers move relative to each other. Sir Isaac Newton was a pioneer in fluid mechanics. He postulated that, for a Newtonian fluid, the shear stress between layers is proportional to the velocity gradient in the direction perpendicular to the layers. The proportional constant (proportionality factor) used here is the viscosity of the fluid. The viscosity is usually denoted by the Greek letter “µ”. Viscosity of a fluid can be measured using Viscometers and Rheometers. The units of viscosity are Pascal-seconds (or Nm-2s). The cgs system uses the unit “poise”, named after Jean Louis Marie Poiseuille, to measure viscosity. Viscosity of a fluid can also be measured by several experiments. The viscosity of a fluid depends on the temperature. The viscosity decreases as the temperature is increased. Viscosity equations and models are very complex for non-Newtonian fluids. Density Density is defined as mass per unit volume. Density plays a vital role in fluid mechanics. Events such as up thrust are dependent on the density. Density is what we normally refer to as “weight” of a fluid. Density is a concept with which we are really familiar. It can be obtained from the simple equation density=mass/volume. Its units are Kgm-3. What is the difference between Viscosity and Density? While most of the people think that viscosity and density are both the same

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اجعل السقف مناسبا

by Mohamed on 05-16-2011 at 10:17 PM

اجعل السقف مناسبا

جاء في حكم و قصص الصين القديمة أن ملكا حكيما أراد أن يعطي درسا عظيما لرعيته

حيث جاءه شاب يريد أن يخصص له أرضا ليزرعها فقال له :

إمتلك من الأرض كل المساحات التي تستطيع أن تقطعها سيرا على قدميك بشرط أن تعود إلى قبل حلول الظلام ..

فرح الشاب وأخذ يجري في جنون حتى يبلغ أقصى مسافة ممكنه

سار مسافة طويلة فتعب وفكر أن يعود للملك ليمنحه المساحة التي قطعها ..
ولكنه غير رأيه وقرر مواصلة السير ليحصل علي المزيد ..
سار مسافات أطول وأطول وفكر في أن يعود للملك مكتفيا بما وصل إليه ..
لكنه تردد مرة أخرى وقرر مواصلة السير ليحصل علي المزيد والمزيد ..
ظل الشاب يسير ويسير ولم يعد أبداً ..
فقد ضل طريقه ..
ويقال إنه وقع صريعا من جراء الإنهاك الشديد ..
لم يمتلك شيئا ولم يشعر بالاكتفاء والسعادة
لأنه لم يعرف حد الكــفاية أو ( القناعة ).
..النجاح الكافي ..
صيحة أطلقها لوراناش وهوارد ستيفنسون
يحذران فيها من النجاح الزائف المراوغ الذي يفترس عمر الإنسان
فيظل متعطشا للمزيد دون أن يشعر بالارتواء ..
من يستطيع أن يقول لا في الوقت المناسب ويقاوم الشهرة والأضواء والثروة والجاه والسلطه ؟
لا سقف للطموحات في هذه الدنيا .. فعليك أن تختار ما يكفيك منها ثم تقول ( إلى هذا الحد يكفي ) فالحياة أعظم وأكبر من المنصب والثراء والسلطة والشهرة ولن يعود العمر إلى الوراء ..
..الطموح مصيدة ..
تتصور إنك تصطاده .. فإذا بك أنت الصيد الثمين ..
ان كنت لا تصدق ؟! ..
إليك هذه

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ليبيا مشاهد مرعبه من ارض ليبيا

by Mohamed on 02-28-2011 at 12:55 AM
Quote Originally Posted by Mohamed View Post