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Experimental Study of Optimum Chilled Water Distribution Configuration in Air Conditioning Terminal Unit Using RSM Technique
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The distribution of chilled water flow rate in terminal unit is an important factor used to evaluate the performance of central air conditioning unit. A prototype of A/C unit has been made, which contains three terminal units with a complete set of accessories (3-way valve, 2-way valve, and sensors) to study the effect of the main parameters, such as total water flow rate and chilled water supply temperature with variable valve opening. In this work, 40 tests were carried out. These tests were in two groups, 20 test for 3-way valve case and 20 test for 2-way valve case. These tests were performed at three levels of valve opening, total water flow rate and water supply temperature according to the design matrices established by Design of Experiment (DOE) software 'version 7' with Response surface methodology (RSM) technique. The model was conducted for each case of total heat rate, then checked statistically for adequacy by Analysis of variance (ANOVA), and found good with 95% confidence level. The results showed that the water supply temperature has a significant effect on the total heat rate of two cases. It was found that the optimum solution for maximum total heat rate and minimum flow deviation represented by standard deviation was obtained at 10°C water supply temperature, 5.5 l/min total water flow rate and 70% valve opening. The total heat rate and standard deviation were (890.249 Watt), (0.000513), respectively in three-way valve case and (743.155 Watt), (0.00277), respectively in two-way valve case. Finally, the predicted and experimental results of total heat rate and standard deviation were in agreement with a maximum error of 6.6 % in three-way valve case and 1.4% in two-way valve case.

 

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Publication Date
Tue Aug 15 2023
Journal Name
Al-academy
Aesthetic Values in Contemporary Daqi-zhou Ceramucs
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The current research deals with an analytical study of the ceramic works of one of the most important Japanese cities in the ceramics industry, which is the city (Dachi-Cho), which is characterized by a special and unique style from the rest of the other Japanese cities, as it uses special techniques for its potters and the families to which they belong, such as the technique of grafting and neriage. And printing graphics on ceramic pots. These and other techniques have spread in various countries of Asia and Europe, all the way to America, and transformations and revolutions have begun in these techniques until they have reached the point of absurdity. With all this scientific and technological development, the city (Dachi-Chu) remained

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Publication Date
Mon Jul 01 2013
Journal Name
Political Sciences Journal
Political pluralism in contemporary Islamic political thought
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The paper deals with the position of the Contemporary Islamic political thought concerning the Islamic of pluralism in party system and the role of political parties in the future Islamic state . this paper focuses on the vision of Mr. mohammad hussain Fadlulah to these topics and his opinion in the legitimacy of alliancy with secular political parties The paper , also discussed his opinion concerning the adaptation of political relations between the Islamic political parties under the rules and lows of secular political system in order to have broad positively the public good

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Publication Date
Sat Dec 30 2023
Journal Name
Al-kindy College Medical Journal
Health System in Iraq Post 2003 War
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Background: War represents a major human crisis; it destroys communities and results in ingrained consequences for public health and well-being

Objective: We set this study to shed light on the public health status in Iraq after the successive wars, sanctions, sectarian conflicts, and terrorism, in light of certain health indicators.

Design: The primary source of data for this analysis comes from the Iraqi Ministry of Health, and The World Health Organization disease surveillance.

Results: Most of the morbidity indicators are high, even those that are relatively declining recently, are still higher than those repor

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Publication Date
Tue Jun 01 2021
Journal Name
The Journal Of Continuing Education In Nursing
Debate as a Teaching Strategy in Nursing
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Debate is a teaching strategy in nursing education that enhances students' critical thinking. Although debate can be an effective teaching strategy, it is not without limitations. This article discusses the advantages and disadvantages of debate as a teaching strategy in nursing. Also, evaluating debates and choosing topics are highlighted. [ J Contin Educ Nurs . 2021;52(6):263–265.]

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Publication Date
Sun Jun 11 2017
Journal Name
Al-academy
Aesthetic valuer out viewer in baroque paintin
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This research revolves around the theme (aesthetic valuer out viewer in baroque painting ) the research contains  four chapters of  the research go as follows:

The first chapter contains the problem of the research and contains the importance and aim of the research and The limits and The first chapter ends with the definition of the terminologies .

The second chapter deals with a theoretical background . It includes  two sections : The first  , study{ aesthetic valuer out viewer } and The second section , study {  aesthetic valuer out viewer in baroque painting }.

The third chapter  includes five  samples from baroque painting .

The fourth chapter includes the results of

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Publication Date
Tue Apr 01 2014
Journal Name
Journal Of Economics And Administrative Sciences
Employment programming fuzzy goal in medical field
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The aim of this study is to use style programming goal and technical programming goal fuzzy to study assessing need annual accurately and correctly depending on the data and information about the quantity the actual use of medicines and medical supplies in all hospitals and health institutions during a certain period where they were taking the company public for the marketing of medicines and medical supplies sample for research. Programming model was built goal to this problem, which included (15) variable decision, (19) constraint and two objectives:

1 - rational exchange of budget allocated for medicines and supplies.
2 - ensure that the needs of patients of medicines and supplies needed to improve

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Publication Date
Sun Nov 01 2020
Journal Name
Systematic Reviews In Pharmacy
Systematic Reviews in Pharmacy | open access Journals
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Systematic Reviews in Pharmacy is a monthly Peer-review open access Journal,different scientists involved in Pharmaceutical research and development

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Publication Date
Fri Jun 01 2007
Journal Name
Journal Of The College Of Languages (jcl)
Fuzzy Logic and its Application in Linguistics
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The purpose of this paper is to shed light on the concept of fuzzy logic ,its application in linguistics ,especially in language teaching and the fuzziness of some lexical items in English.
Fuzziness means that the semantic boundaries of some lexical items are indefinite and ideterminate.Fuzzy logic provides a very precise approach for dealing with this indeterminacy and uncertainty which grows (among other reasons) out of human behavior and the effect of society.
The concept of fuzzy logic has emerged in the development of the theory of fuzzy set by Lotfi Zadeh(a professor of computer science at the university of California) in 1965.It can be thought of as the application side of the fuzzy set theory. In linguistics, few scholars

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Publication Date
Tue Oct 31 2023
Journal Name
College Of Islamic Sciences
Crimes against offspring In Sharia and law
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Crimes are prohibited by law and God Almighty has forbidden them with punishment or punishment.
The punishment is the prescribed punishments that the law has determined in its place and stipulated in the Book of God or the Sunnah of His Prophet, may God bless him and grant him peace.
Ta’zir: These are the punishments that are left to the ruler to assess according to what he sees as preventing corruption on earth and preventing evil. Extrapolation has proven that all the provisions of Islamic Sharia include the interests of the people, and they are based on five matters: what is in it is preserving the religion, what is in it is preserving the soul, and what is in it is preserving the soul. It involves preserving the mind, preserv

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Publication Date
Mon Jan 01 2024
Journal Name
Organization, Technology And Management In Construction: An International Journal
The factors that affect constructability in Iraq
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Abstract<p>Applying the constructability concept in the construction industry has proven many benefits in different projects; however, this concept still lacks usage in Iraq. Therefore, it is important to encourage usage of the constructability concept in the construction industry in Iraq. The main purpose of this study is to investigate the factors that affect constructability in Iraq and then classify them according to their importance. A total of 37 factors were collected from an intensive literature review, and they were classified under the sub and main categories. A survey was undertaken in two sessions with open questionnaire and close questionnaire. The results were analysed and the mean</p> ... Show More
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