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The Effect of Oil and Filer Contents on the Porosity of Lead Acid Battery Separators Produced From Polyethylene
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                In this investigation a high density polyethylene (HDPE) was used as a substitute to polyvinylchloride in the production of lead acid battery separators. This has been achieved by preparing mixtures of different percentages of the feed materials which include a high density polyethylene (HDPE) locally produced, filler materials such as silica and oils such as dioctylphthalate (DOP) or paraffin which were added to the mixture to improve the final properties of the separator. The materials were compounded by two roll-mills under the same conditions. The following parameters are involved:                    

    1- Studying the use of a high density polyethylene as a binder to film components with     (15-30) wt.%.

    2- Studying the use of finely divided silica sand with (25-45) wt.% as a medium to oil adsorption.

3- Studying the use of two type plasticizers (Paraffin or DOP) with    (35-55) wt. %. as a creative medium to films porosity.

The best results of the feed materials in the mixture were selected so as to give the highest porosity using 15 wt. % PE, 30 wt. % filler, and 55 wt. % oil. It has been found that the films with DOP oil give higher porosity.

 

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Publication Date
Mon Sep 25 2023
Journal Name
Arab Science Heritage Journal
أسس المعيارية في التراث اللغوي العربي
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The Arabs took care of the Arabic language, collected it, and set standards governing it; This is for fear of melody, in order to preserve the language of the Noble Qur’an from distortion, after many of those who are not fluent in Arabic entered Islam; There were many reasons for setting linguistic standards, but although scholars set these standards, we see them often deviate from them, as well as the language’s departure from these restrictions that they set, because language cannot be restricted, as it is subject to the law of use

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Publication Date
Sun Jul 03 2005
Journal Name
Political Sciences Journal
اشكالية المواطنة في الخطاب الاسلامي المعاصر
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اشكالية المواطنة في الخطاب الاسلامي المعاصر

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Publication Date
Wed Oct 24 2018
Journal Name
Journal Of Planner And Development
مواد وتقنيات البناء المستدامة في العراق
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Publication Date
Sat Feb 14 2026
Journal Name
Journal Of Babylon Center For Humanities Studies
ثورات اليهود في عهد الدولة الرومانية
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Publication Date
Wed Feb 02 2022
Journal Name
مجلة الشرق الأوسط للدراسات القانونية والفقهية
أثر الارادة المفترضة في تحديد المسؤوليةالجنائية
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Publication Date
Sun Dec 27 2020
Journal Name
Journal Of Accounting And Financial Studies ( Jafs )
التقنيات المصرفية في تمويل التجارة الخارجية
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Finance is the various forms of the basic components of the economies of the countries and playing the important role of developing of the social aspects and economic communities, and foreign trade in particular, its really important for countries because finance represent the largest share in the national income. Thus, finance became the important aspects for nations and how could be improved and ensure good reputation to it , Perhaps one of the most important insurance that seek to achieve is the funding guarantees through the intervention of financial institutions and most important banks, using a range of techniques and tools that today are among the most important foreign trade financing sources and the most important documentary cr

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Publication Date
Sun Dec 27 2020
Journal Name
Journal Of Accounting And Financial Studies ( Jafs )
دور الضمانات في تطور المصارف الاسلامية
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Islamic banking refers to a system of banking or banking activity that is consistent with the principles of the Shari'ah (Islamic rulings) and its practical application through the development of Islamic economics. The principles which emphasise moral and ethical values in all dealings have wide universal appeal. Shari'ah prohibits the payment or acceptance of interest charges (riba) for the lending and accepting of money, as well as carrying out trade and other activities that provide goods or services considered contrary to its principles. While these principles were used as the basis for a flourishing economy in earlier times, it is only in the late 20th century that a number of Islamic banks were formed to provide an alternative basi

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Publication Date
Wed May 24 2023
Journal Name
College Of Islamic Sciences
plural noun in Arabic Grammatical study
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This is a research that deals with one of the topics of Arabic grammar, namely, the plural noun, and it is not hidden from the students the importance of grammatical topics in preserving the tongue from melody, and what it has of fundamental importance in knowing the graphic miracles of the Qur’an, and I called this research:

(plural noun in Arabic a grammatical study)

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Publication Date
Sat Jun 01 2013
Journal Name
Journal Of The College Of Languages (jcl)
Kıpçak Türkçesinde Sıfat- Fiiller
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Sıfat - Fiillere Osmanlıcada fer’i fiil adı verilmektedir. Sıfat - fiiller için çeşitli kaynaklarda, kılın adı (kılın sanı[1]), ortaç[2], sıfat - fiil (sıfat - eylem[3]), partisip[4], isim - fiil[5] gibi terimler kullanılmıştır.

Sıfat - fiiller, isim- fiiler gibi fiilden türerler. Aldıkları belli başlı ekler vardır. Bu eklere sıfat - fiil ekleri denir.sıfat - fiiller, cümlede bir sıfat gibi görev yaparlar. Sıfatlar gibi isimlerin önün gelirler ve onları nitelerler tıpkı bir sıfat gibi ismin hal eklerini alab

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Publication Date
Sat Feb 14 2026
Journal Name
Journal Of Al-qadisiya In Arts And Educational Sciences
الرفض والاحتجاج في الأدب العبري الحديث
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