University location: Basrah

First pages:

Abstract: The main goal of the current study is the benefit of solar energy as the origin of any renewable energy for producing a hot water through multiple solar collectors each one with overall capacity about 26 liter so that, these collectors arranged in sequential order within the construction of the house without affecting the artistic aspects of the house. These collectors will capable of providing the house the needs of hot water for domestics use especially during the winter season. It will reduce the amount of energy such as electricity and or kerosene or any other source of energy that usually used in Basrah.The present study is included the design and manufacture of seven models of solar collectors. The tools that have used into manufactured of these collectors are some cheap materials that are available in Basrah markets. These models are differ from each other by some aspects with additions properties. The thermal performance and efficiency have a test and then choose the best one in order to use it in four different modern designs of solar heaters.the thermal performance of the manufactured heaters models are tested by calculate the amount of hot water supply under difference weathers conditions in the city of Basrah, which sorts as a large abundance of solar radiation. It also test two types of arrangement of difference parts of heaters. The practical test has been proven the advantage of linking hot water reservoir tank with cold water and then linking the whole system with the hot water tank. This arrangement will allow of gradual warming of the water, which allows the consumer get the hot water directly from the system and not from the reservoir. This study include what is called a feedback arrangement system in order to increase the benefit from solar radiation. In this case, the hot water will recycle to allow for moreexposure to solar radiation repeatedly, that in the case of non - use or the case of little use.All the experiment Steps carried out on the roof of the department of physics building's in the college of education for pure Sciences, Basrah university in the northern city of Basrah, located at latitude 30.50 N and longitude 47.80 E during the winter season 2013 - 2014. Al thought this winter characterized by abundant of rain and clouds the models No.5 shows very good results interm of high temperature of hot water and the amount of it. The temperature was reach (900 C). In addition the model No.4 which depend on the technique of feedback idea shows a good result interm of the amount of hot water produce which reach (146 liter) at a temperature about (500 C) with in only five hours starting at 10 : 00 am until the 2 : 00 pm.In order to develop the optimum dimensional measurements of the solar collectors a mathematical model was developed to predict the output temperature of hot water from the solar collectors or from the radiator in general for different dimensions. This model is working successfully and achieved data that in comparable with our experimental ones. The experimental results have been analyzed theoretically to compare the performance of all solar collectors of the heaters, in different weather conditions and in a same time.

قياس تركيز غاز الرادون والثورون في المنازل والمستشفيات والمراكز الصحية في محافظة البصرة العراق

Author name: حسام نجم عبود

Supervisor name: عيسى جاسم محمد الخليفة

General topic: Physics

Specific topic: Physics

Degree: Doctorate

University: University Of Basrah - College Of Education For Pure Sciences - Department Of Laser Physics

Language: Arabic

University location: Basrah

First pages:

قياس تراكيز الرادون للمستشفيات ,المراكز الصحية والمنازل وقياس البورون في مياه محافظة ذي قار - العراق == Measurements of Radon in Hospitals, Health Centers and Dwelling as well as Boron Measurements in Water of Thiqar Governorate(Iraq)

Author name: احمد عباس محمد

Supervisor name: عيسى جاسم محمد الخليفة

General topic: Physics

Specific topic: Nuclear and Environmental Physics

Degree: Doctorate

University: University Of Basrah - College Of Education For Pure Sciences - Department Of Laser Physics

Language: English

University location: Basrah

First pages:

Abstract: العمل الحالي يتضمن ثلاث دراسات اجريت جميعها في محافظة ذي قار جنوب العراق, حيث استخدم 976 نموذج فيها.الدراسة الاولى استخدمت 625 نموذج من كاشف الاثر LR 115 Type II جمعت من 40 منزل في كل قضاء , حيث تم قياس مستويات الرادون وخطر الاصابة بسرطان الرئة من خلال الطريقة السلبية . النتائج اظهرة مستويات مرتفعه وخصوصا في المطبخ مقارنتا مع الاماكن الاخرى وذلك بسبب غاز الطبخ والمياه المستعملة. ان المعدل للجرعة المكافئة السنوية للمطبخ تتغير من 2.316±0.172 في الناصرية الى0.759±0.0348 في سوق الشيوخ .اما الدراسة الثانية فقد استخدمت 186 نموذج من كاشف الاثر LR 115 Type IIجمعت من 57 مستشفى ومركز صحي , حيث استعملت الطريقة اعلاه لقياس مستويات الرادون وخطر الاصابة بسرطان الرئة هناك.لقد اظهرت النتائج ان مستويات الرادون في المستشفيات اعلى من نظيرتها في المراكز الصحية. ان اعلى معدل للجرعة المكافئة السنوية للمراكز الصحية 2.504±0.114 mSv/y بينما للمستشفيات3.150±0.091 mSv/y. في كلى الدراستين اعلاه وجد ان اغلب الجرعات الاشعاعية , ليست اعلى من المعدل العالمي 2.4 mSv/y , ولذلك فانها لا تشكل خطرا جديا على المتواجدين.ان الدراسة الثالثة هدفها قياس تراكيز البورون في مياه محافظة ذي قار , حيث ان امدادات المياه تاتي من مصدرين رئيسين وهما نهري دجلة والفرات, حيث جمع 165 نموذج من 55 موقع لثلاثة انواع من المياه (مياه نهر, مياه اسالة , مياه شرب) واستخدمت الطريقة اللونية لقياس تركيز البورون في عينات الماء. ان اعلى التراكيز سجلت لمياه الانهر في قضاء الناصرية 1.729 mg/l , ولمياه الاسالة سجلت في قضاء الجبايش 0.3 mg/l , اما مياه الشرب فسجلت في قضاء الجبايش 0.286mg/l ,حيث النتائج اظهرت كذلك ان نهر الفرات اكثر تلوثا بعنصر البورون وذلك بسبب ان المناطق ذات الكثافة السكانية العالية ,المصانع والمنشات الكبيرة تقع على ضفافه , حيث ان معدل لتراكيز البورون لنهر دجلة 0.244 mg/l , بينما لنهر الفرات 0.794 mg/l . الدراسة الحالية اظهرت ان تراكيز البورون لنهر دجلة ليست اعلى من المعدل العالمي (اقل من 0.5 mg/l) . بشكل عام نتائج نهر الفرات اعلى من المعدل العالمي 0.5 mg/l , ولكنها تبقى ضمن المستويات المنخفضة لتراكيز البورون , حيث حدد الاتحاد الاوربي المستويات المقبولة ب 1.0 mg/L عام 1998 , اما نيوزيلندا فحددته ب 1.4 mg/L. | The present work included three studies carried out in Thiqar Governorate southern of Iraq, where 976 samples has been used .The first study used 625 samples of LR 115 Type II dosimeters where collected from 40 dwelling in each distract, Passive method is used to measure the radon indoor levels and lung cancer risk. The results show higher indoor radon levels and radon effective dose especially in kitchen as compared to other locations. High values of radon activity may be due to use of water and cooking gas in kitchen.The average annual effective dose for kitchen varying from 2.316±0.172 mSv/y recorded in Al Nasiriya district to 0.759±0.0348 mSv/y recorded in Suq AlShyouk district.The second study used 186 samples of LR 115 Type II dosimeters collected from 57 Hospitals and Health centers, also Passive method is used to measure the radon indoor levels and lung cancer risk. The results show that the calculated indoor radon levels and radon effective dose in Hospitals are higher than that in Health Centers.The maximum average annual effective dose in Health Centers is 2.504±0.114 mSv/y , while for Hospitals is 3.150±0.091 mSv/y.In the two studies most of the radiation dose are not higher than the world wide average back ground dose of 2.4 mSv/y and hence they does not pose any serious threat to the occupants.The third study aims is to measure the concentration of boron in waters of Thiqar Governorate (southern of Iraq), the water is supplied from two major sources (Tigris and Euphrates Rivers). 165 samples collected from 55 location for three types of water (rivers water, Tab water, drink water). Colorimetric curcumin method is used to measure the boron concentration in the water samples. The maximum Boron concentrations in Thiqar Governorate for River water (surface water) (1.729 mg/l) in Nasiriya district, Tab water(0.3 mg/l) in Chibiesh district and Drink water (0.286mg/l) in Chibiesh district. The results shown that Euphrates river is more polluted with boron element, because its pass in highly occupied region and meager factories ,facilities lay on it, where Tigris average value 0.244 mg/l,while Euphrates average value 0.794 mg/l.The present work shows most of the boron concentration in Tigris river aren't higher than the world wide back ground <0.5 mg/l. In general Euphrates river results are higher than the world wide back ground, but it's still in the low concentration levels for boron, where the European Union established a value of 1.0 mg/L for boron in 1998 for the quality of water intended for human consumption, also New Zealand has established a drinking water standard for boron of 1.4 mg/L

Author name: امل علي ياسين الحسن

General topic: Biology

Specific topic: Plant

Degree: Doctorate

University: University Of Basrah - College Of Education For Pure Sciences

Language: Arabic

University location: Basrah

First pages:

Abstract: The study was conducted to investigate several taxonomic aspects which comprised the micro - morphological studies of epidermal layer of leaves, pollen grains, fruits and seeds.In addition to that, the anatomical and molecular studies for 12 species of Euphorbiaceae family which belonged to five genera AndrachneL. , Chrozophora L., Euphorbia L, Mercurialis L. and RicinusL., were performed. One representative species for each genuswas selected; in exception 8 species were chosen for the genus Euphorbia..The current results confirmed that the anatomical characters showed valuable taxonomic traits which can evidently be used to distinguish between species. The most prominent trait was mesophylla tissue in leaves which were observed in three categories;1 - Bifacial leaves : - which found in C.tinctoria, Euphorbia sp ., E. milii, E.annua and R.comminus 2 - Uni - facial (heterogenus) leaves : - this category of the mesophyll was detected in two species only A.telephioides and E.prostrata3 - Uni - facial (homogenus) leaves : - this category were noticed in five species; E.denticulata ,E.helioscopia ,E,macrocarpa , E.microsphaeia and E.peplus The second important comparative anatomical character was the Mid rib, which are in four types with several shapes from which discrimination between the species can be made : - 1. Convex - concave mid rib : - that was showed in E.helioscopia, E.macrocarpa, E.milii and M.annua.2. Convex - convex : - This type was found in three species C.tinctoria , Euphorbia sp.and R. comminus3. Flat - Convex : - This type of mid rib was observed in A.telephioides E.microsphaera, E.peplus and E.prostrata4. Flat - Flat : - This type was observed in only one species E.denticulata In stem, the most prominent parts of taxonomic evidence were pith and vascular bundles.In according to the pith, species can be divided into hollow stem (without pith) and solid stem (containing medulla good configuration). Hollow stem was clear in the stems of A.telephioides , E.microsphaera , E.prostrata and M.annua. While, the solid stem wasseen in the remaining species. Vascular bundles were existed in two types; that's connected vascular bundles that's characterized the hollow stems, and separate vascular bundles. In most of the species with the exception of M. annua, stem with scatteredvascular bundles were in cortex As well as, petiole which have features that a clear taxonomy values .either by outline of petiole or its vascular arc.Micro - morphological studies of epidermal layer of leaves showed very important taxonomical value. This layer of leaves reveals variation in shape of ordinary epidermal cell and nature of anticline cell wall, stomata complexes and Epicuticlular wax crystals.Micro - morphological of pollen was taxonomic evidence as well. It can be considered to divide the species of Euphorbiaceae family into two groups based on the number of germination apertures 1 - Hexocorporate : - this type was confined to C.tinctoria2 - Tricolporate all species studied remainingThe sculpture of pollen wall provided beneficial information invested in the species identification.Both seeds and fruits showed a distinctive role in species identification. Micromorophological study of seeds for species which belong to six genera Andrachne , Chrozophora, Euphorbia, Mercurialis , Phyllanthus and Ricinus were achieved by using Scanning Electron Microscope(SEM). The study concentrated on micro - morphological aspect of Caruncle, seed surface ornamentation and the shape of epidermial cell wall. The result revealed that most studied species were with carunclated seeds ,but some specieswere with ecarunclated seeds as in A.telephioides L. ,C. tinctoria( L) Raf , E.prostrata Atin and P. maderaspatensis L Seed surface ornamentation characteristics showed a significant taxonomical value.Furthermore, current result showed that there are a highly variation in shape, size and color of the seeds walls. With respect to the fruits characteristics, which showed variations in number of mercarpi, shape, size, color and surface ornamentation that can be adopted in the separation of the species studied Molecular study provided significant support for phenotypic and anatomical classification and support genetic convergence between the species in Euphorbiacea family. The genus Euphorbia species showed a significant genetically convergence and participated in predecessors monophyletic. However, the genera in Euphorbiacea family under study probably originated and evolved from different ancestors’ polyphyletic.

دراسة تصنيفية وحياتية للديدان الخيطية عائلة Tetrameridae Travassos, 1914 المتطفلة على بعض انواع الطيور في هور السناف محافظة ذي قار == Taxonomic and Biological Studies of Nematodes of the Family Tetrameridae Travassos, 1914 in the Some Birds in Sinaph marsh Thi - Qar province

Author name: نهى جبار عبد الركابي

Supervisor name: باسم ھاشم عبد الله

General topic: Biology

Specific topic: Microbiology - Parasites

Degree: Doctorate

University: University Of Basrah - College Of Education For Pure Sciences

Language: Arabic

University location: Basrah

First pages:

Abstract: A total of 401 represented by 128 birds of Himantopus himantopus which belong to the family Recurvirostridae , 93 birds of Chettusia leucura which belong to the family charadriidae and 180 birds of Sturnus vulgaris which belong to the family sturnidae at the period from April 2014 to march 2015 in Al - Sanaf marsh , Suq - Al - Shuyukh city southern of the Thi - Qar province,for searching the nematodes which belong to the family Tetrameridae. Four species of nematodes, which belong to the family Tetrameridae, were isolated in the current study. They were T.nouveli, T.dubia, T.spinosa and Microtetrameres inermis. The H. himantopus was infected with the nematode T.nouveli and the prevalence of infection was 25.8% , bird.Furthermore, the Chettusia leucura was infected, the mean intensity was 3.3 worm in each infected birds. The nematode T.dubia was isolated from H. himantopus with the isolated from the Ch. Leucura mean intensity was 1.7.The nematode T.spinosa was isolated from H. himantopus the the mean intensity of infection was 2.3 and it was isolated from the Ch. leucura , the prevalence of infection 4.3% and the mean intensity was 1.8 worm in each infected worm.The record of these three nematode is considering the first record in Iraq.Microtetrameres inermis was isolated from the Sturnus vulgaris, the each infected birds.Himantopus himantopus from April 2014 to March of 2015.This bird was infected with three species from family Tetrameridae, The seasonal variation study of infection prevalence of Tetrameres spp.in, H. himantopus that there was II Summarycomplete seasonal cycle for nematodes T.nouveli, T.dubia , and T.spinosa .The nematode T.nouveli had hightest infection prevalence in summer the decrease in autumn, winter and spring while the infection prevalence of nematode T.dubia was hight in summer and autumn then decrease in winter and spring. The infection prevalence of nematode T.spinosa was generally low with little increase in autumn .The results of the current of the Ch. leucura indicated that this bird was infected with three species which nematodes T.nouveli, T.dubia and T.spinosa and they had seasonal appearance . There was not any significant effect of host sex on prevalence of infection, and it showed decreased in prevalence of infection when the bird's weight was increased.The study of lifecycle of nematodes : T.nouveli ,T.dubia and M. inermis revealed obtainment the larval stages after success the infection experimental of the grasshopper Schistocerca gregaria for the first time the three isolated nematodes from family Tetrameridae in this study which it was T.nouveli , T. dubia and M.inermis and was included the lifecycle of the three species . The differences were including the period of time to produce and developing the larval stages in addition to the differences in their shapes, it was revealed that were clear differences in the structure and their shape of the tip the posterior end of the third larval stage. The end of the third larval stage of the nematode T. nouveli had three caudal papilla and the posterior end of nematode T.dubia had five caudal papilla while the end of the third larval stage of M.inermis did not have any caudal papilla , so we can distinguish these nematode larval stage depended on the prevalence this character in their third larval stage.The experimental infection of the Columba livia domestica with nematode M.inermis was successful.While the experimental infection to the Columba livia domestica with nematode T.nouveli ,T.dubia .was failed The experimental infection of the Gallus domestica with nematodes of Tetrameridae T.nouveli, T.dubia and M.inermis was failed too.

Author name: لبيد عبد الله نجم السعد

Supervisor name: عدنان عيسى البدران | سامي عبد الرضا الجميلي

General topic: Biology

Specific topic: Biotechnologies

Degree: Doctorate

University: University Of Basrah - College Of Education For Pure Sciences

Language: English

University location: Basrah

First pages:

Abstract: Fifteen isolates of Aspergillus flavus (AFL1 - AFL15) were isolated from multiple sources included soil, compost, seeds, fruits, feed and air. The isolates were identified morphologically then confirmed by molecular techniques. Only thirteen isolates were confirmed positively (AFL1 - AFL5 and AFL8 - AFL15) while two of them were not. A phylogenetic analysis was made which revealed that the isolates grouped according to their source of isolation. The aflR profile and phenotypic AFB1 production confirmed that all thirteen isolates posses the ability to produce AFB1 with significant differences (P ≤ 0.05) among them. Growth rate profile was performed under 30ºC which showed significant differences (P ≤ 0.05) among isolates. According to the above tests, A.flavus AFL14 was selected to be the experimental isolate for the rest of experiments in this study. Comparing to A.flavus NRRL3357 type strain, the impact of temperature, water activity aw and isolate factors was examined to determine the limits and optimum ecological conditions of growth of A.flavus AFL14. The results displayed that the best growth rate was (7.217 mm/day) at 0.98 aw where the lowest was (4.069 mm/day) at 0.9 aw with no growth at 0.85 aw while the impact of temperature demonstrated by outweigh of growth rate at 35ºC (6.201 mm/day) followed by 30ºC (5.272 mm/day) which exceeded 25ºC and 40ºC (4.604 and 4.051 mm/day), respectively.Bacillus subtilis (isolates : BSS1, BSS2, BSS3, BSS4 and BSW) and Pseudomonas fluorescens (isolates : PFMst and PFDL) were elected to be used as biocontrol agents. All the isolates were passed the biochemical identification tests moreover, BSS4 and BSW isolates of B.subtilis and PFMst and PFDL isolates of P.fluorescens were confirmed molecularly which used later in all biocontrol experiments in this study. The ability ofbiocontrol agents to inhibit fungal growth was investigated and the resultsshowed significant inhibition impact represented by significant outweighof B. subtilis BSS4 (99%) on the rest of B. subtilis isolates followed by P.fluorescense PFDL and PFMst (92.29 and 86.19) %, respectively, with nosignificant differences (P ≤ 0.05) among them. The extra - cellular abilityof biocontrol agents to degrade AFB1 showed a high degradation abilityIpreformed by B. subtilis BSS4, BSW isolates and P. fluorescence PFMst,PFDL isolates (100, 100, 97.805 and 97.396%), respectively. Thedegradation residues administrated to rats to determine their effect onbiosystems, the blood parameters showed a significant reduction ofWBC, HB, RBC, and P.C.V while there was a significant increase inUrea, Glutamic pyruvate transaminase (GPT) Glutamic oxaloacetictransaminase (GOT) and MCV in AF+DMSO treatment comparing tothe negative and positive control. Water activity and biocontrol factorswere examined to control aflD and aflR expression and phenotypic AFB1production. When the experiment held using Nutrient Agar medium, asignificant inhibition of aflD and aflR expression (P=0.000 and 0.003),respectively performed by BSW at 0.94 aw comparing to 0.98 aw whileno significant inhibition was observed in the rest of the treatments. Allbiocontrol agents revealed high significant reduction of aflD and aflRexpression (P≤0.001) in each water activity level separately whichconfirmed by HPLC results. The phenotypic results showed that 0.94 awexceeded 0.98 aw in AFB1 reduction (2011 and 4280 ng/gm),respectively which agreed with gene expression results. When MaizeMeal Agar used as a medium, aflD expression presented a highsignificant increase at 0.98 aw relating to the NM level of each individualtreatment (P= 0.000 - 0.03) except PFDL+AFL14 which showed nosignificant aflD expression between both levels. aflR expression revealeda high significant reduction (P= 0. 000) caused by 0.98 PFDL+AFL14and 0.98 BSW+AFL14, respectively, while no significant differenceswere observed in the rest of the treatments or control. The HPLC resultsdisplayed a high significant reduction of AFB1 at 0.98 aw (8447 ng/gm)compared to (219000 ng/gm) at NM aw. The biocontrol agents caused ahigh significant reduction for both aflD and aflR expression (P=0. 000 - 0.043) under each individual water activity level while, HPLC resultsshowed non significant low reduction to the AFB1 performed by BSS4and BSW (25160 and 44790 ng/gm), respectively, followed by asignificant increase in AFB1 amount caused by PFMst and PFDL(267600 and 184100 ng/gm), respectively