Introduction Periodontal diseases are ranked among the most common health problems affecting mankind. These conditions are initiated by bacterial biofilm, which is further modulated by several risk factors. Objectives To investigate the association of different risk factors with periodontal...

Background:

Background: the integrity of cardiovascular reflexes & autonomic activities can be assessed by different tests and different techniques. However most of these studies carried out on male subject & usually on young group only .very little researches available concerning the differences in cardiovascular reflexes between male & female in different age group.
Aim of study: is to investigate the differences in cardiovascular reflexes in young , old male & female in response to go head up tilting using totally non- invasive system .
Sub. & Methods: this study was carried out in AL-Najaf teaching hospital on 85 normal sub. , 41 males c6 44 females they were divided into two age groups (20-40 years) & (41-60 years)

Simulated annealing (SA) has been an effective means that can address difficulties related to optimization problems. is now a common discipline for research with several productive applications such as production planning. Due to the fact that aggregate production planning (APP) is one of the most considerable problems in production planning, in this paper, we present multi-objective linear programming model for APP and optimized by . During the course of optimizing for the APP problem, it uncovered that the capability of was inadequate and its performance was substandard, particularly for a sizable controlled problem with many decision variables and plenty of constraints. Since this algorithm works sequentially then the current state wi

This study aims to establish an empirical correlation between biochemical oxygen demand (BOD5) and chemical oxygen demand (COD) of the sewage flowing in Al-Diwaniyah wastewater treatment plant. The strength of the wastewater entering the plant varied from medium to high. High concentrations of BOD5 and COD in the effluent were obtained due to the poor performance of the plant. This was observed from the BOD5 /COD ratios that did not confirm with the typical ratios for the treated sewage. To improve the performance of this plant, regression equations for BOD5 and COD removal percentages were suggested which can be used to facilitate rapid effluent assessment or optimal process control. The equations relating the percentage removal of

In this work, excess properties (eg excess molar volume (VE), excess viscosity (ȠE), excess Gibbs free energy of activation of viscos flow (ΔG* E) and molar refraction changes (ΔnD) of binary solvent mixtures of tetrahydrofurfuryl alcohol (THFA) with aromatic hydrocarbons (benzene, toluene and p-xylene) have been calculated. This was achieved by determining the physical properties including density ρ, viscosity Ƞ and refraction index nD of liquid mixtures at 298.15 K. Results of the excess parameters and deviation functions for the binary solvent mixtures at 298.15 K have been discussed by molecular interactions that occur in these mixtures. Generally, parameters showed negative values and have been found to fit well to Redlich-Kister

The present study was conducted to investigate effect of prey type on the relationship between age of females of Macrocyclops albidus and reproductive performance, which included each of mean number of nauplii, age at first brood, and age at first clutch. Results revealed that the correlation coefficient between the age at first brood and clutch and age of females fed on Artemia was significant P <0.05, being 0.65 and 0.81 respectively, while the correlations were not significant P>0.05 in females fed on mosquito larvae (Culex quinquefasciatus) and Paramecium nauplii. It was also found that the correlation coefficients between mean number of the nauplii and longevity in M. albidus were significant P<0.05 whereas, the correlations were not s

The purpose of this research is to determine the relationship between the strategic thinking and organizational change via the use of many statistical methods such as Simple linear regression equation. The 80% of the hypotheses of correlation and influence were established, and the research was reached a number of conclusions. Including the fluctuation of the level of strategic thinking capabilities in the sample surveyed. Although, there are certain levels, but an organization of this importance need to be higher. Based on these conclusions, the researcher has made some recommendations to address the findings of the research. Reflexión del pensamiento estratégico sobre el cambio organizacional Resumen El propósito de esta investigación

شكلت السيطرة العثمانية على العراق  حقبة تاريخية مهمة ، حيث وضعت فيها ركائز عدد كبير من الأنظمة الأدارية  فغدت  الأساس للتنظيمات  فيما بعد ومنها  الإجراءات الإدارية والقانونية وسبل معالجتها لآزمة الأراضي في بغداد1938-1932.

يتم إهدار حوالي 50٪ من المخلفات النباتية الثانوية الناتجة أثناء الإنتاج الصناعي للفواكه والخضروات، مما يؤثر سلبًا على البيئة ويكلف اموالا طائلة، اذ تعد المخلفات النباتية الثانوية مصدرًا غنيًا للمغذيات التي تدعم صحة الانسان لتقيها من العديد من الامراض (السمنة وامراض القلب)، كما انها  مصدرا للألياف الغذائية والفينولات وهي من المواد المضادة للأكسدة التي يمكن فصلها من نخالة الحنطة وا

عندما يستجيب الشخص لإغواء الشيطان، ويغير جنسه من ذكر إلى أنثى أو العكس، سيكون مسخا فلا هو ذكر ولا هو أنثى؛ لأنّ هذا التغيير سيكون في الظاهر فقط ولا ينال داخل الشخص، وهذا التغيير لو حدث فإنّ له اثارا كبيرة على مسائل الأحوال الشخصية.

This study aimed to identify the role of school administration in achieving educational and learning goals from the point of view of educational supervisors in the stage of basic education. The descriptive method was adopted. As for the sample size, it has reached (59) educational supervisors. A questionnaire consisting of 29 paragraphs divided into four areas was used. The data were statistically analyzed on the Chi-square test, the percentage, and the mono-variance analysis. The result showed that the school administration contributes to achieving educational goals. It also works to solve problems in democratic ways, and in modern methods, there are differences in the criteria for choosing the headmaster. The study recommended that sch

The effect of some environmental factors in the loss rate for high weights virgins are full to the screwworm fly of the ancient world and included temperatures 15,20,25,30,35,40 study showed that the rate of loss in weight virgins advanced to full participants at a temperature of 15 C while notgets evolution

يتحدد مضمون حرية التجارة وقيودها وفقاً لفلسفة السلطة الواضعة للدستور, فقد كانت تعتبر حرية فردية, ثم اصبحت حرية ذي وظيفة اجتماعية تسمح للدولة بالتدخل لتحقيق العدالة الاجتماعية, ثم ظهر المفهوم الجديدالذي يعتمد على اقتصاد السوق.

ووفقاً لذلك المفهوم تتولى الدولة وضع القوانين لضبط المنافسة والتجارة, وفرض الضرائب المناسبة, ولها حق ممارسة النشاط الاقتصادي على اساس المساواة كما هي الحال في فرنسا وسويسرا ونحو

This study aimed to measure the innovative thinking and cognitive cessation among university students. The sample consisted of (400) male and female students at al Mustansiriya University for the academic year (2018/2019). The results of the study showed that there are differences in innovative thinking and cognitive inhibition according to the gender variable in favor of males. There is a positive relationship between innovative thinking and cognitive inhibition. In light of these findings, the researcher presented a set of conclusions and recommendations.

This study devoted to the emergence of the Arab-Islamic architectural thought and its development. Introduced through a lengthy introduction to the reality of architecture in the Arab world, showed the control methods and concepts of Western architecture in architectural education and in practice.

        اولت فرنسا اهتماما واسعا بالأموال العامة اذ نصت المادة 15 من إعلان حقوق الإنسان والمواطن (DDHC) على أن للمجتمع الحق في محاسبة أي موظف عمومي على إدارته. لذا فان المشرع الفرنسي انشأ جهة متخصصة في الرقابة على الاموال العامة واسماها محكمة المحاسبات وانشأ لمساعدتها محكمة الموازنة والانضباط المالي وتدار المحكمتان من قضاة غير قابلين للعزل كما منح لكل من المحكمتين اختصاصات قضائية فضلا عن الاخت

This paper proposes a novel control strategy for a Unified Power Quality Conditioner (UPQC) to effectively mitigate voltage and current disturbances in three-phase four-wire (3P-4W) systems. Existing UPQC control approaches often struggle to address unbalanced load conditions, resulting in significant power quality degradation. This research addresses this gap by introducing a fast fuzzy logic (FFZ) controller, which, in comparison to traditional PI controllers, offers enhanced performance in managing DC voltage fluctuations and generating accurate reference currents for the shunt active filter. The proposed FFZ controller effectively minimizes the impact of unbalanced loads on DC voltage, reducing error and improving ov

The ability to produce load-bearing masonry units adopting ACI 211.1 mix design using (1:3.2:2.5) as (cement: fine aggregate: coarse aggregate) with slump range (25-50mm) which can conform (dimension, absorption, and compressive strength) within IQS 1077/1987 requirements type A was our main goal of the study. The ability to use low cement content (300 kg/m3) to handle our market price products since the most consumption in wall construction for low-cost buildings was encouraging. The use of (10 and 20%) of LECA as partial volume replacement of coarse aggregate to reduce the huge weight of masonry blocks can also be recommended. The types of production of the load-bearing masonry units were A and B for (

This review offers an overview of key developments that may assist researchers in improving thermal management strategies for photovoltaic systems across different environmental conditions. It's worth noting that temperature significantly affects the efficiency of photovoltaic systems. As operating temperatures rise, energy production decreases, impacting the system's lifetime. The main focus of this research paper, which examines recent developments in thermal management technologies for photovoltaic systems, is the use of fin-based cooling technologies. he efficiency of passive, active, and hybrid cooling technologies was evaluated, focusing on their ability to dissipate heat and increase the efficiency of photovoltaic

The paper deals with the language of Russian folklore. Folklore is a unique sphere of existence of the language, the most vivid expression of the national mentality. The folklore word embodied the perception and evaluation of the surrounding world. “What did the word in general mean for the life of the people? The word was equated ... with life itself. The word generated and explained life, it was ... the keeper of memory and the guarantee of the infinity of the future. The folklore text is studied by literary critics, ethnographers, historians, culturologists, and art historians. In the twentieth century, a new science emerged - linguo-folkloristics, the goals and objectives of which were formulated by A.T. Khrolenko only in the seven

The article characterizes metaphors and comparisons as a means of rethinking the phenomena of the surrounding world; two directions are named within which metaphors and comparisons are studied: 1) the linguo-classification direction combines several classifications of metaphors and comparisons, which are basically focused on comparing two denotations through the meanings of word forms that are part of the trope; 2) the theoretical and conceptual direction is associated with the concept of conceptual displacement and is the basis of the theoretical and methodological study of metaphor and comparison, i.e. the modern theory of metaphor is being formed; The main attention is focused on the comparative concept of Aristotle, which postul

The one-dimensional, spherical coordinate, non-linear partial differential equation of transient heat conduction through a hollow spherical thermal insulation material of a thermal conductivity temperature dependent property proposed by an available empirical function is solved analytically using Kirchhoff’s transformation. It is assumed that this insulating material is initially at a uniform temperature. Then, it is suddenly subjected at its inner radius with a step change in temperature. Four thermal insulation materials were selected. An identical analytical solution was achieved when comparing the results of temperature distribution with available analytical solution for the same four case studies that assume a constant thermal con

ANN modeling is used here to predict missing monthly precipitation data in one station of the eight weather stations network in Sulaimani Governorate. Eight models were developed, one for each station as for prediction. The accuracy of prediction obtain is excellent with correlation coefficients between the predicted and the measured values of monthly precipitation ranged from (90% to 97.2%). The eight ANN models are found after many trials for each station and those with the highest correlation coefficient were selected. All the ANN models are found to have a hyperbolic tangent and identity activation functions for the hidden and output layers respectively, with learning rate of (0.4) and momentum term of (0.9), but with different data

The present study deals with the removal of dyes from the effluent of the state company for cotton textile industries located at Al-Khadmya by using oven dried alum sludge (ODS) as adsorbent. Two different dyes; Direct black and solar brown are studied. Alum sludge was collected from Al-Qadisiya water treatment plant; it was heated in an oven at 105°C for 24 hours, then cooled at room temperature and crushed to produce particle sizes of 1.18-2.36 and 4-4.75 mm. Batch and fixed bed mode were used. In batch experiments the effect of oven dried alum sludge weight on adsorption process and equilibrium isotherm were studied by using 15-125 g/l of oven dried alum sludge for direct black and 15-175 g/l for solar brown, with constant initial dy

      يعد الاجتهاد القضائي احد الحلول القانونية المهمة لمعالجة قصور التشريع فلقد عرفت المجتمعات الانسانية عبر تاريخها الطويل العديد من الحالات التي يجد فيها القاضي نفسه امام فراغ تشريعي فضلا عن النصوص القانونية المدنية التي يصعب على القاضي تطبيقها لما يشوبها من غموض او تناقض, الامر الذي يتطلب منه الاجتهاد للحكم بحل النزاعات المعروضة عليه لكي لا يكون منكرا للعدالة  ,بيد ان القاضي في اجتهاده لم

The effect of the initial pressure upon the laminar flame speed, for a methane-air
mixtures, has been detected paractically, for a wide range of equivalence ratio.
In this work, a measurement system is designed in order to measure the laminar flame
speed using a constant volume method with a thermocouples technique. The laminar
burning velocity is measured, by using the density ratio method.
The comparison of the present work results and the previous ones show good
agreement between them. This indicates that the measurements and the calculations
employed in the present work are successful and precise.

This study's primary emphasis was locating appropriate locations in the valley of Al-Abyadh for water harvesting dams. Water harvesting techniques are one possible answer for Iraq's water difficulties caused by climate change and the existing dams in the high reaches of rivers, which have exposed the world to severe drought. Water harvesting is collecting water from a specific area, beginning with rainwater in the ground and conserving it by building dams to store it. Valley Al-Abyadh, which extends 268 km and has an area of 4188.96 km², is situated in Anbar Governorate's western desert. Water flows into the Al-Abyadh valley through four basins. This study aims to examine the four basins hydrologically and ana