In this research, beam expander, BEX, is explained and designed for illuminating the
remote flying target. The BEX is optically designed to be suited for Nd:YAG laser of given
specifications. The BEX is modified to be zoom one to meet the conditions of preventing the
receiving unit; i.e the photodetector, from getting saturated at near and far laser tracking.
Decollimation could be achieved by automatic motor, which controls zoom lens of the BEX
according to the required expansion ratio of beam expander
The study seeks to explore the mental-math level among intermediate-school students. To this end, the researcher raised a question. What the level of mental math among students in the intermediate stage? Total of (576) male and female students were chosen from different schools at Al-karkh side \ general directorate of Baghdad education. So as to answer research question and hypothesis, a questionnaire of (30) items designed by the authors was administered to the study sample. T-test was used to analyze the collected data at the level of significance (0.05). Expectancy means (15) showed significant difference comparing to the achieved mean (10, 10) on mental-math test. The study concluded with students has a low level of mental math. The
... Show MoreConservation of Concept among Children: Semantic Study

Abstract:
This research to monitor the features of the historical method in the
thought of a linguistic scientist is known (ibin genieD. 392 AH by offering a
range of grammatical rules presented in his book (the properties and the
nature of their treatment on the basis of the historical method in accordance
with These are an important milestone in facilitating the grammatical rules and
display image "makes it more suitable for the social reality
Al-kindy is the first Arabic and Islamic philosopher who emerged in the
Arab and Islamic Philosophy. Through his compositions and theses, he
revealed his views in various philosophical fields
للإهتمام بظاهرة الألوان في الحضارات الإنسانية عامة ، جوانب متعددة ، فهي تتصل ، من ناحية ، بالجانب الفني إذ تدل على رهافة حس الناس وعلو أذواقهم ، وقابليتهم على تمييز الألوان في الطبيعة وتحديدها تحديدا دقيقا
تسعى هذه الدراسة الى القاء الضوء على معالم التفسير بالماثور عند الجالحظ وما هي ابرز الامور التي ركز عليها في هذا النوع من التفسير
This study aimed to research the problematic of state and society according to Al-Farabi, or what he called "civil science" or "civil politics", including the subject of political and social philosophy
It is know that the spirit of the Arabic language is statement so it has great importance in the Arabic language and that the Quran, The book of Allah miraculous, and was a likeness crippling those who disagreed with and credence to those who believed in him, and that the holy messenger of Allah bless him and gave the conciseness of speech in its statement and eloquence. For this reason, The subject of this research "The statement" to study the most beautiful of orders and prohibitions (do and don't do) in the holy Qur'an and sunnah, Those which are the two major sources in the legislation