أظهرت نتائج تقدير التركيب الكيميائي لمعزول بروتين بقول العدس المنبت التي تم الحصول عليها من الأسواق المحلية في محافظة بغداد وذلك باستخدام الاستخلاص القلوي عند الرقم الهيدروجيني 9.5 PH ثم الترسيب عند نقطة التعادل الكهربائي 4.5 PH،كانت نسبة البروتين، الرطوبة، الرماد، الألياف، الدهن والكربوهيدرات (71.58، 6.44، 2.58، 1.09، 0.25، 8.66) % على التوالي، وبينت نتائج تقدير المعادن في المعزول البروتيني لكل من الكالسيوم والفسفور والحديد والمغنسيوم والزنك (10.14، 13.88، 1.05، 8.47، 1.63) ملغم /١٠٠ غرم على التوالي، في حين أظهرت نتائج دراسة الخواص الوظيفية لمعزول بروتين العدس والمسحوق منزوع الدهن قابلية امتصاص الماء بلغت (4، 2.6) مل ماء/ غم بروتين على التوالي، وبلغت قابلية امتصاص الدهن للمعزول البروتيني (1.45) مل زيت/ غم بروتين بينما بلغت للمسحوق منزوع الدهن (1.25) مل زيت/ غم بروتين، وبينت نتائج قابلية تكوين الرغوة إذ بلغت سعة الرغوة عند PH (4.7) بلغت (12.5، 16) % على التوالي، وبلغت قيم ثبات الرغوة عند نفس الأرقام الهيدروجينية (4.7) (13، 12.5) % على التوالي، في حين بلغت قيم الاستحلاب (1.020، 5.796) % على التوالي لكل من المسحوق منزوع الدهن والمعزول البروتيني بينما أظهرت نشاط المستحلب (95.505، 100) % على التوالي لكل منهما.
Abstract
Binary polymer blend was prepared by mechanical mixing method of unsaturated polyester resin with Nitrile Butadiene Rubber (NBR) with different weight ratios (0, 5, 10 and 15) % of (NBR). Tensile characteristics and wear rates of these blends were studied for all mixing ratios. The microstructure of fracture surfaces of the prepared samples were investigated by optical microscope. The results were showed that strain rates of the resin material increase after blending it with rubber while the ultimate tensile strength and Young’s modulus values of it will decrease. It is also noticed that the wear rate of resin decreases with increasing of (NBR) content.
Keywords:<
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events it reverse its place throughout the regional references in the region,
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forms great complex barrier.
But the great Turkish foreign policy represented by the foreign minister
Ahmed David Oghlu, can successfully pass these problems and as a result it
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period of disappear, it new regional policies cancel the old impressions that
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Slurring Phenomenon And Throat Voices
It has been shown in ionospheric research that calculation of the total electron content (TEC) is an important factor in global navigation system. In this study, TEC calculation was performed over Baghdad city, Iraq, using a combination of two numerical methods called composite Simpson and composite Trapezoidal methods. TEC was calculated using the line integral of the electron density derived from the International reference ionosphere IRI2012 and NeQuick2 models from 70 to 2000 km above the earth surface. The hour of the day and the day number of the year, R12, were chosen as inputs for the calculation techniques to take into account latitudinal, diurnal and seasonal variation of TEC. The results of latitudinal variation of TE
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