Cathodic protection is a corrosion-prevention technique which uses the electrochemical properties of metals to insure that the structure to be protected becomes the cathode of an electrolytic cell.
Laboratory evaluation was conducted on zinc electrode as anode material that used for sacrificial anode cathodic protection (SACP)of carbon steel.
Rate of zinc consumption during cathodic protection of carbon steel pipeline carrying seawater (4 % w/v NaCl solution) were measured by the loss in weight technique. Variables studied were seawater temperature (0-45o C), flow rate (5-900 lit/h), pH (2-12) and duration time (1-4 h). It was found that the rate of zinc consumption increases with increasing seawater temperature, flow rate and dura

In the present work, the finite element method has been used to investigate the behavior of reinforced concrete slabs subjected to dynamic loads. Eight-node Serendipity degenerated elements have been employed. This element is based on isoperimetric principles with modifications, which relax excessive constraints. The modifications include reduced order integration to overcome the shear locking.A layered approach is adopted to discretize the concrete through the thickness. Both an elastic-perfectly plastic and strain hardening plasticity approaches have been employed to model the compressive behavior of the concrete. A tensile strength criterion is used to initiation of crack and a smeared fixed crack approach is used to model the behavio

بحثت هذه الدراسة في دور المحاكم العليا الإماراتية في تفسير النصوص القانونية الناظمة لضوابط الحماية المدنية الموضوعية للمتضرر بسبب الأخطاء الطبية. استعانت الدراسة بعشرات الأحكام القضائية الصادرة عن المحاكم العليا في الدولة، وخلصت إلى أهمية هذه الاحكام في تفسير النصوص القانونية الواردة في التشريعات ذات العلاقة. كما خلصت الدراسة إلى تأثر التعديلات التشريعية التي اجراها المشرع الاماراتي حديثا بهذه الاحكام

Face Identification is an important research topic in the field of computer vision and pattern recognition and has become a very active research area in recent decades. Recently multiwavelet-based neural networks (multiwavenets) have been used for function approximation and recognition, but to our best knowledge it has not been used for face Identification. This paper presents a novel approach for the Identification of human faces using Back-Propagation Adaptive Multiwavenet. The proposed multiwavenet has a structure similar to a multilayer perceptron (MLP) neural network with three layers, but the activation function of hidden layer is replaced with multiscaling functions. In experiments performed on the ORL face database it achieved a

Wireless Multimedia Sensor Networks (WMSNs) are a type of sensor network that contains sensor nodes equipped with cameras, microphones; therefore the WMSNS are able to   produce multimedia data such as video and audio streams, still images, and scalar data from the surrounding environment. Most multimedia applications typically produce huge volumes of data, this leads to congestion. To address this challenge, This paper proposes Modify Spike Neural Network control for Traffic Load Parameter with Exponential Weight of Priority Based Rate Control algorithm (MSNTLP with EWBPRC). The Modify Spike Neural Network controller (MSNC) can calculate the appropriate traffi

A field trail was conducted at the Field Crop Research Station, Abu-Graib of Agricultural Research Office during 2011-2012 and 2012-2013 in order to investigate the relationship between flag leaf and yield of four wheat varieties. Split plot arrangement with RCBD  three replications was used. Varieties (Fatih, Abu-Graib3, Mexipack and IPA 99) was occupied main plots while, flag leaf removal treatments (control treatment (no removal), removal at complete emergence flag leaf (24 March), 29 March, 3 April, 8 April, 13 April and 18 April) was occupied as sub plots. The results  showed significantly effect of flag leaf treatments to all studied characteristics (except spike length at second season only). The highest impact r

To evaluate five  maize inbred lines imported from Italy by  daillel and reciprocal crosses which predict from its, by estimate the heterosis ,general and specific combining ability effect(Gca,Sca,Rca), type of gene action and degree of dominance  for growth traits  and total yield. Field experiment was conducted during the two successive  seasons of 2013 , during spring  seasons full –diallel cross was carried out among inbred lines, In fall season a comparison experiment between the parents and the hybrids was carried by using randomized complete block design. The result show significant differences  for the  plant height (PH)(cm), ear height (EH)(cm) ,number of  leafs per plant(NL

This is prospective study began in Jan. 2003 and concluded in April 2004, was undertaken to examine the benefits of 810 nm diode laser in treatment of four patient with bilateral vocal cord paralysis also to compare the results with conventional treatment Material and methods: 810 nm diode laser 15 watts was used in these cases under general anesthesia, and induction of anesthetic drug done through tracheostomy tube in all patients. All patients were decanulated “Tracheostomy tube removed”, the voice of all preserved within normal. Laser surgery in this case has more benefit and advantage than conventional methods even if the patient need more than on session of laser operation because of high success rate, less complication and easy

Lost circulation or losses in drilling fluid is one of the most important problems in the oil and gas industry, and it appeared at the beginning of this industry, which caused many problems during the drilling process, which may lead to closing the well and stopping the drilling process. The drilling muds are relatively expensive, especially the muds that contain oil-based mud or that contain special additives, so it is not economically beneficial to waste and lose these muds. The treatment of drilling fluid losses is also somewhat expensive as a result of the wasted time that it caused, as well as the high cost of materials used in the treatment such as heavy materials, cement, and others. The best way to deal with drilling fluid losses

The current study aims to demonstrate the effectiveness of the synbiotic of eukaryotic and prokaryotic probiotics on the average weights of experimental animals (male rats) per week, the weights of the fed they consume, their activity and their health status daily by dosing each group with a probiotics and synbiotic except for the two control groups (positive and negative) were used. The results showed  a decrease in the weights of experimental animals that were dosed with probiotics L.GG, S.boul., L.GG+ S.boul. and the synbiotic (L.GG+ S.bou.l+Psy) even though they were

The purpose of this study was to evaluate the effect of different toxic doses
with regard to toxicopathological changes in mice injected with ethanolic crude
extract of Euphorbia granulata F. The experiment was done on (24) mice of
(6-8weeks age and 20-25g weight ) divided equally into (4) groups as follows:-
First group injected distilled water subcutaneously for 45 days and considered
as control ,second group injected subcutaneously (600 mg/kg B.W/day)
ethanolic extract of E. granulata for 45 days, Third group injected
subcutaneously (800 mg/kg B.W/day) ethanolic extract of E. granulata for 45
days. Fourth group injected subcutaneously (1000 mg/kg B.W/day) ethanolic
extract of E. granulata for 45 days.The mic

The current research attempts to examine the relationship between social-psychological conflict and their relation to family upbringing approaches among the adolescents of intermediate stage according to sex and economical level. To do this, the researcher prepared a questionnaire to measure social-psychological conflict that consisted of (32) item divided on four dimensions, and also she prepared a questionnaire to measure family upbringing approaches which composed of (28) item divided on four dimensions. The sample was (260) male and female student from intermediate stage chosen randomly. The results revealed that there were significant differences between social-psychological conflict which went to male, there was a negative correlat

      لطالما تحاشينا الخوض في الحديث عن المرأة , وكل ما يتعلق بها من موضوعات , خصوصا في سياق ما يطرح حولها من أمور كأنها لاتخص غيرها مثل : " الحرية "   "والمساواة "  " والحقوق " ... وغيرها من المواضيع التي تعج بها الكتب والشاشات والبرامج والمؤتمرات والندوات , التي غالبا ما ترفع فيها الشعارات المؤدلجة وتوضع اخرى , في أتون محموم , إن دل على شيئ فانه يدل بالدرجة الاولى عن مدى الفوضى الفكرية التي نعي

Corrosion of carbon steel pipe in aerated 0.1N NaCI solution nder isothermal turbulent flow conditions (Reynolds number 15000-113000 and temperature of 30-60°C) is investigated by weight loss method. The effect of Reynolds number and temperature on corrosion rates is experimentally studied and discussed. Corrosion mechanism is analyzed as a mass transfer operation and the corrosion rate is expressed in terms of mass transfer dimensionless groups (Sh and St) and in terms of usual corrosion units. The results of corrosion rates are compared with many proposed models particularly those based on the concept of analogy among mass, heat, and momentum transport by determining experimental friction factor. The capability of these models to expr

   تهدف الدراسة الحالية لوصف بعض التراكيب النسجية والخصائص الكيميائية النسجية للخلايا العمودية (الامتصاصيه)  والخلايا الكاسية في أمعاء سمك الكارب . أجريت الدراسة على خمسة عشرعينة من سمك الكارب البالغ تم اصطيادها من نهر الفرات , معدل وزنها (2100 ±  81) غرام وطولها القياسي (50.4 ± 3.1)  سم بعد القتل مباشرة . تم إجراء شق خلال الخط ألبطني الوسطي لكل سمكه تماما أماميا لفتحة المخرج لإخراج الأمعاء, أخرجت عينات ال

ان محكمة التمييز الاتحادية هي محكمة قانون تراقب المحاكم الأدنى منها من خلال تدقيقها للأحكام والقرارات التي تصدرها هذه المحاكم ، وان رقابتها تنصب على الجانب القانوني للحكم الجزائي فهي تراقب مدى التزام محاكم الموضوع بالتطبيق الصحيح لقواعد القانون الموضوعي والشكلي والمتمثل في عملية التكييف القانوني ،اذ اناط المشرع لمحكمة التمييز الاتحادية الرقابة على التكييف القانوني كونه من المسائل القانونية وبالتالي تك

The behavior of forced convection heat transfer characteristics through and over porous layer near a
heated flat plate at variable temperature has been investigated numerically. Two cases of variable wall
temperature boundary condition are studied. The first case is of linear temperature variation with position
along the flat plate and the second case is of sinusoidal temperature variation with time of heating. The flow field in the porous region is governed by the Darcy-Brinkman-Forchheimer equation, the thermal field in the porous region by the energy equation and the part over the porous matrix includes flow and heat transfer equations. Solutions of the problem have been carried out using a finite difference method through th

This research attempts to trace the most significant development caused by the information revolution, namely "the Communication Technology" which reduced the distances between different urban communities, or within a single one, eliminated the geographical boundaries and the transformed the world into a global village. This led to the emergence of new forms and bodies to those urban communities; perhaps the most important is the fragmentation of the major cities and the emergence of (Satellite Cities) with global links, rather than hinterlands to the local capital cities as in the past. But in spite of the technological tide of communications and its inevitable impacts, it stays, with all its possibilities, a reaction that occurs only i

Current search targeted to:
  1 - Measuring the psychological rebellion among the students of the university.
  2 - Identify the significant differences in the degrees of psychological rebellion among members of the sample according to the variables of sex (male - female), specialty (Science - a human).
      To achieve the objectives of the research chose researcher samples from the community of the first search for statistical analysis, has reached 400 students, and the second sample of the application of the final, has reached (480) students were selected randomly with simple check of equal value, and the researcher building a search tool double think, After the comple

This research was designed to study the effect of  tow levels of  Zingiber officinale on Body weight , Hb , PCV ,WBCs account  , Lymphocytes , Neutrophiles accounts GOT and ALP liver enzymes  in Awassi ewe’s blood  , Nine Awassi ewes aged 1.5 years were divided into 3 equal groups as followed : Group A was treated  by 10 gm Zingiber officinale  / animal /daily (2.5%) of diet While group B  were treated with 20 gm Zingiber officinale  / animal daily  (5%) of diet  and group  C  considered as Control group without given Zingiber officinale  with diet ,the results showed that signific

The current research aimed at deducing the psychological contents of Suliman dialogue with the Hodhod and statement applications in school counseling. The researcher followed the Islamic approach in the search, which deals with the study of events, phenomena and practices through a broad understanding of Islamic principles and limitations associated with the general framework of Islam. In addition to the deductive approach is derived from a sub-rule is a general provision.
The research revealed many of the psychological contents, including: the importance of continuing care counselor psychological learners, and follow-up field to their problems, conditions, listen good horseshoe to defend himself, clarify the motives of his ac

Acquisition of metacognition has an effective and important role in educational process, so it can reduce difficulties faced by learners during theirunderstanding of the subjects.

Brown (1980) considers that it is conscious and reflective controlcarried out by the individual in his actions and cognitive responses through the use of self-regulation skills (planning, monitoring and evaluation).

The search problem raises through following question: Havestudents  ofhigh school for distinct metacognition?

Metacognition is very important  , so the effective learninginvolves planning and goalsetting, and monitoring the progress of the individual and adapted as needed, and allthese activities are metacognition i

The mixing of ginger Zingiber officinale and garlic Allium sativum used at different concentrations ( ginger 10g/kg; garlic 10g/kg; ginger 5g/kg with garlic 5g/kg; ginger 7.5g/kg and garlic 2.5g/kg and ginger 2. 5g/kg and garlic 7.5g/kg in treated 1, 2, 3, 4 and 5 respectively) as a dietary supplements based on their performance in enhancing the fish healthy while control diet was free from ginger and garlic. Haematological parameters of 96 fishes of common carp Cyprinus carpio L. were determined after two months, Red blood cells count (RBCs), white blood cells count (WBCs), hemoglobin concentration (Hb) , and Packed cell volume (PCV) , total plasma protein , albumin and Globulin, liver enzymes (ALT,AST and ALP) using several laboratory

The results of theoretical and experimental investigations carried out to study the effect of load and relative sliding speed on the abrasive wear behavior in drilling bit teeth surfaces of an insert tungsten carbide bit have been presented. Experimentally, an apparatus for abrasive wear tests conducted on the modified ASTM-G65 was modified and fabricated to facilitate loading and measurement of wear rate for the sand/ steel wheel abrasion test, which involves two cases of contact; first is at dry sand and second is under wet condition. These tests have been carried under varied operating parameters of normal load and sliding speed. A theoretical model based upon the Archard equation has been developed for predicting wear simulation by u

In order to implement the concept of sustainability in the field of construction, it is necessary to find an alternative to the materials that cause pollution by manufacturing, the most important of which is cement. Because factory wastes provide siliceous and aluminous materials and contain calcium such as fly ash and slag that are used in the production of high-strength geopolymer concrete with specifications similar to ordinary concrete, it was necessary for developing this type of concrete that is helping to reduce CO₂ (dioxide carbon) in the atmosphere. Therefore, the aim of this study was to study the influence of incorporating various percentages of slag as a replacement for fly ash and the effect of sl

The current study aims to develop a teaching design in accordance with cluster thinking strategies and explore the effect of this teaching design on students’ achievement in science. To this end, the null hypothesis was adopted: there is no statistically significant difference at the level of (0, 05) between experimental group who adopted the teaching design in learning science and control group who follow the traditional method in learning the same subject. To test the null hypothesis, total of (74) students from Al-Alaama Hussain Mahfooth intermediate school were selected intentionally for the academic year 2016-2017. The sample divided into two equal groups when all the variables (age, prior achievement of science,

The present paper presents an approach to optimize tooth contact analysis (TCA) of spiral bevel gear drivin by controlling the machine-tool settings that directly affects the shape of tooth and behavior of meshing and contact for mating gears. The proposed settings provide a pre-designed parabolic function of transmission errors and the desired location and orientation of the bearing contact. The main goal of detecting the pre-designed parabolic function of transmission errors is to
reduce the gear noise which can be done by absorbing the linear function of transmission errors that are caused by gear misalignment. The model is generated with means of CAD software package and solid works program, the basic input design data imported

The aim of the current research is to know the degree to which middle school teachers and female teachers in the southern border schools use electronic educational alternatives in the field of education from their point of view and its relationship to some variables, and to achieve this goal, a random sample of (200) teachers was selected in southern border schools, and a questionnaire was prepared to collect The data, as well as the descriptive approach was used to achieve this goal. T-test and analysis of variance were used for the statistical treatment. The results concluded that the educational courses provided to male and female teachers are not sufficient. It has also been concluded that the use of electronic educational alternativ

The emerging M-commerce (mobile +e-commerce) needs more support in operating systems in order to be successful over a wireless environment. The system needs to support a seamlessintegrati n to support voice, audio and conventional data. It should also support many users with guaranteed quality. In this paper, a new effective design protocol for Code Division Multiple Access(CDMA) mobile systems with Variable Spreading Factor (VSF) is presented, such that various Quality of Service (QoS) based on different traffic types can be provided. Increasing spreading factors can benefit the system because it will increase the desired signal strength linearly. The measured Bit Error Rate (BER) can be reduced 75 times with a long spreading factor. By

تعد عقود الفيديك إنعكاسا واضحا للتطورات الاقتصادية والاجتماعية والتقنية في اعمال البناء, والتي فرضت اتجاها دوليا لتوحيد القوانين نظرا لترابط وتوسع المصالح الدولية واجتياز انشطة شركات المقاولات الكبرى خارج حدود بلدانها, اذ نجد ان معظم القوانين الوطنية قامت باعتماد عقود الفيديك FIDIC والتي تم صياغتها من قبل الاتحاد الدولي للمهندسين الاستشاريين, واخرها كان عقد التشييد للمباني والاعمال الهندسية المصممة من قب