Numerical simulations are carried out to investigate the possibility of observing
extrasolar planet nearby star via optical telescopes. Several techniques are
considered in this study in order to quantitatively assess their quality in suppressing
the wings of the point spread function of optical telescope of a reference star. The
optical telescope with circular Gaussian shape aperture reveals extrasolar planet
even with contrast ratio 10-7 while the square Gaussian shape aperture reveals the
planet with 10-5.
Bacterial meningitis is a leading cause of illness and death worldwide. It is crucial for clinical and public health care, as well as disease control, to identify the meningitis-causing agent promptly. Between June 2021-February 2022, a total of 100 cerebrospinal fluid (CSF) and blood samples were collected from suspected cases of meningitis admitted to Raparin Paediatric Teaching Hospital, Erbil city-Iraq. Cytochemical, cultural, and biochemical tests were conducted, and confirmed by molecular techniques. Bacterial culture findings were positive in 7% of CSF samples and just one positive among blood samples. The most common pathogens found by cultural characteristics and VITEK 2 Compact System were Staphylococcus sciuri in two
... Show MoreVarious activities taking place within the city of Baghdad have significantly contributed to organic pollution in Rivers Tigris and Diyala. The present study aimed to assess some physical, chemical and biological aspects of six sites on Rivers Tigris and Diyala as they flow through the city of Baghdad. Monthly samples were collected for the period January to December, 2005. Marked differences in the physical and chemical characteristics of water were noted between the two rivers’ sites. Average values during the study period of dissolved oxygen, biochemical oxygen demand, particulate organic matter, nitrate, phosphate and total dissolved solids for Tigris and Diyala were 7.8,4.7; 2.4,10.4; 350.1,921.4;7.8,13.9;1.2,4.8;814,2176 mg / l re
... Show MoreThe structure of fish community was evaluated before and after Aski-Kalak City at Greater Zab River, Erbil Province, Iraq during the period from November 2020 to October 2021. A total of 1582 specimens belonged to 25 fish species were collected and reached to 570 Kg of total weights. These fish were mostly belonging to Cyprinidae family and one for each Mugilidae, Siluridae, Bargridae, Sisoridae and Mastacembelidae. According to fish occurrence in (S1), there were five fish species be as resident, 8 and 10 species as seasonal and rare respectively. The annual values of fish species, weight and catches effort 10.7, 184 and 33.25 Kg/hour respectively, and in (S2) fish species of 6, 6 and 11 as resident, seasonal and rare respective
... Show MoreThis study was aimed to evaluate the extent of the spread for Mycoplasma gallisepticum in the broiler chicken flocks of the Samarra city. 202 samples were collected from eight meat chicken fields in the city of Samarra for the period from September to December 2022, as these samples showed respiratory symptoms. The collected specimens were dissected in order to obtain both the trachea and the air sacs; After isolating the causative agent on Pleuropneumonia - like organisms (PPLOs) medium, mycoplasma infection reached 32.2%. The result appeared in the form of colonies with a shape similar to that of a “fried egg.” The rates of mycoplasma infection at culture fo
... Show MoreClimate is an important factor in the development of plant diseases. to be able to avoid yield loss due to disease explosion, it is necessary to conduct an in-depth study of climatic factors as a direct and indirect influence. one that can be done is weather data-based forecasting. This method can determine and estimate the likelihood of disease outbreaks in a certain period. In addition, disease forecasting can act as prevention due to pathogen attacks so as to avoid damage and yield loss and maintain the ecosystem of antagonistic fungi in the coffee ecosystem. Agro ecosystem management can encourage the development of antagonistic fungi as pathogen biological agents. Akanthomyces sp. species are widely reported a
... Show MoreThe research aims to enhance farmers' access to agricultural credit by identifying the most important economic and social characteristics affecting the demand for agricultural loans. Farmers need agricultural credit as a source of financing due to their weak financial capabilities، and that farmers’ lack of access to credit may negatively affect the achievement of the level of production that maximizes profit or allow farmers to apply and use modern technologies or develop existing agricultural projects. Cross-sectional data were collected for a random sample of (275) farmers in Baghdad governorate. The Logit model was used to determine the most important factors affecting agricultural loans، which include gender، age، educ
... Show MoreThis study was aimed to obtain morphometric parameters of Duhok watershed evaluated through three aspects. The area was located at Duhok governorate with covers 394.87Km2. Depending on stream orders, ten of sub-watersheds were extracted from the main watershed. Furthermore, Duhok watershed stream orders ranged from 1 to 6, as well as the total number of segmented stream reported for the total number of orders was (4175). The results of the current study indicate the Duhok watershed has a high relief ratio (0.026 m/km) and relative relief (0.95) which refers to steep slopes and excessive runoff. The ruggedness value is (4.09) indicates the study region is rugged w
... Show MoreThis study aimed to investigate the expression level of microRNA-20a in plasma samples collected from 20 healthy males and 20 healthy females' as non-cancerous controls, 34 males and 26 females who diagnosed with CRC, the age range for both poles was at age range of 23 to 66 years old, those patients didn’t receive any chemical, radiological or surgical treatment and subjected to relative quantitative detection using RT-PCR technique. Specific primers designed for this purpose, the sequence of miR-20a retrieved from NCBI and miRBASE, the primers designed using stem-loop structure method, RNU-43 reference gene used for results normalization. The resulted data analyzed using the Livak method, the folding mean of CRC patients (12.
... Show MoreThe study's goals are to use pyocyanin pigment produced by the clinical isolate Pseudomonas aeruginosa as a reducing and stabilizing agent for nickel oxide nanoparticles (NiO NPs) and their use it antibacterial agents against biofilm-producing, multidrug-resistant Escherichia coli isolated from various clinical sources. The antibiotic susceptibility test of E. Coli isolates was shown to be resistant to ceftriaxone, cotrimoxazole, piperacillin-triazole, tetracycline, and ticarcillin, while sensitive to Amikacin, Amoxicillin, Nitrofurantoin, and Imipenem. NiO NPs are synthesized by using nickel sulfate NiSO4 (10g) with a concentration of pyocyanin (10mg/10ml). The NiO NPs synthesized were characterized
... Show MoreThis study was aimed to determine the active compounds in alcoholic extracts (methanolic 75% and ethanolic 75%) of Pelargonium gravolens leaves and flowers as well as their antibacterial and antioxidant activities. The methanolic extract of dry leaves and fresh flowers (30 g each) gave 4.8650, 2.8015 g respectively. While ethanolic extract for the same parts gave 5.5787, 2.1832g respectively. Spectrophotometric analysis showed that, the flavonoids content in leaves and flowers methanol extract were 20.38, 70.90 μg rutin equivalent/g of extract, respectively, as for ethanol extract those values were 21.89, 71.63 μg rutin equivalent/g of ext
... Show MoreThis study was aimed to identification of certain crosses to produce hybrids with higher performance per se can be aided by the determination of simple sequence repeats (SSR), which can improve our understanding of the genetic divergence of maize lines and their classification into different heterotic groups. Variability for each locus was measured using the polymorphism information content (PIC), with an average of 0.55, suggesting that the markers were highly informative. Analysis of the molecular variance (AMOVA) indicated higher divergence among the maize lines, suggesting the existence of different groups. The unweighted pair group method with arithmetic mean analysis (UPGMA) and th
... Show MoreThis study was conducted to evaluate the effects of resveratrol as a natural antioxidant in improving the chemical properties and some qualitative and microbial properties of chilled ground beef stored at 2 C° for 1, 3, 6, 9, and 12 days. The study included 7 different treatments: T1 (control treatment without addition) T2 (Resveratrol 0.10% g/kg) T3 (Resveratrol 0.20% g/kg) T4 (Resveratrol 0.30% g/kg) T5 (Resveratrol %0.40g/kg) T6 (Resveratrol %0.50g/kg) and T7 (Addition of Butylated hydroxyanisole 0.01% BHA). All addition treatments showed a significant (P<0.05) decreases in dry matter percentage of Fat and Ash and increase in protein, moisture and water holding capacity (WHC) percentage as compared with the control treatme
... Show Moreمن خلال استقراء بعض النصوص المسمارية فقد كان للكلب حضورا دينيا في بلاد الرافدين من حيث كونه مرافقا شخصيا للكثير من الآلهة ولاسيَّما الإلهة نن-إيسينا/كولا إلهة الطب والشفاء التي عدّ الكلب رمزها الديني، فبحسب رأي بعض الباحثين أن السبب في ذلك هو أن هذا الحيوان عادة ما يقوم بلعق جروحه وهذا بحد ذاته نوع من التطبب لما يحتويه لعابه من مضادات جرثومية تعمل مثل المضادات الحيوية، مع أن الدراسات
... Show Moreاستخدم الانسان منذ العصور القديمة المعادن في حياته اليومية البدائية في الصيد ثم في أدوات بسيطة استخدمها في الزراعة ، ومن بين اهم هذه المعادن المستخدمة الحديد والنحاس التي صنعوا منها ادواتهم واسلحتهم ومن ثم استخدم الذهب والفضة في صناعة التحف والحلي ، وافاد المسلمون مما كان لدى اهل البلاد التي فتحت ودخلها الإسلام من فنون وصناعات متنوعة وابقوا عليها الا ما يتعارض مع تعاليم الإسلام كصناعة
... Show MoreThe current study aimed to study the effects of feeding olive leaves (OL) on milk yield, milk composition, body weight, and blood parameters of lactating Awassi ewes. Thirty-six newly lambed ewes and their single lambs were distributed at random and assigned to one of three diets: 0% OL (CON), 15% OL (OL15), and 30% OL (OL30) to replace the forage source in sheep's diets. The first seven days of the 56-day experiment were dedicated to adaptation, with the remaining 49 days dedicated to the collection of data. Dry matter (DM) intake was greater (p = 0.014) in the OL15 and OL30 groups compared with the CON group. Crude protein and ether extract intake was also the highest in the OL30 group (p=0.0172) followed by the OL15 group and
... Show MoreThis study was carried out in order to isolate and diagnosis of common bacteria from bovine mastitis in Baghdad city which have the ability to produce biofilm and detect its molecular composition. Twenty five milk samples were collected from different regions in Baghdad city from udders of cows suffering from clinical and subclinical mastitis.Then cultured on blood agar. Gram staining was done to differentiate between bacteria gram positive which cultured on Mannitol Salt Agar and Nutrient Agar while gram negative bacteria were cultured on MacConkey agar and Eosin Methylene Blue agar. All bacterial isolates were subjected to different biochemical tests, API 20 E System, API Staph System and RapIDTMONE System kit to con
... Show MoreThis study was aimed to isolate, identify and characterize the bacterial pathogens causing calf diarrhea in Baghdad province and study it's susceptibility toward different antibiotics. The study was conducted on 105 faecal samples collected directly from the rectum of diarrhoeic calves and brought to the laboratory for bacteriological examination. Isolation and identification of the microorganisms were confirmed on the basis of their, staining, cultural, morphology and biochemical tests. Furthermore, antibacterial test was study for different clinical isolates of pathogenic bacteria toward varying concentration of antibiotics by disc diffusion technique. samples
... Show MoreWilt death disease on date palm tissue culture offshoots is a new interested phenomenon observed in Iraq since a several years, represented by fungal disease infecting plants in pots and/or soil, causing graduate wilt starts from down fronds to the top, ending with death. The survey results revealed that infection percentage ranged from 4% in Abulkhaseeb district to 4.5% in Al-Seeba area with no significant differences among infected orchards (P-0.369), while the death percentage was 6.2% in Al-Seeba area comparing with 2.4% Abulkhaseeb with no significant differences too (P=0.368). The isolation results confirmed that Fusarium solani was the main isolated fungus from all root samples. Five isolates of F.solani
... Show Moreإن هذه الدراسة الموسومة بـقسم (حياة الإمام محمد بن علي بن موسىى –محمد الجواد- {195-220هـ }) في كتاب التاريخ للعلامة محمد بن آدم البالكي: دراسة وتحقيق) تتكون من قسمين: تناول الأول دراسة المخطوطة، والثاني تحقيق المخطوطة، أما القسم الأول منهما فيتكون من مبحثين وخاتمة، خصص المبحث الأول لبيان منهج الباحث في التحقيق ووصف المخطوطة ونسبتها إلى ابن آدم، فقد اخترت القسم المخصص لبحث كرامات وحياة أهل البيت وخاصة التي تبحث ع
... Show MoreThe skill scale in most of sport activity monitoring a lot of dynamic behaviours conducted with playing situations that help the excerpt's in sport field to evaluate and put right solutions ,soccer one of games that studies in third stage in college and take skills ,dribbling , passing, shooting these skills helps to execute the plans in game ,the researchers notice that there is no test measure the skills of the game in the beginning of the first semester especially in the method of soccer in physical education college and the problem of the research were by answering the question that is there test connect between one or more that one of skill to measure the ability of students to execute the plans in soccer and the conclusion was the bui
... Show MoreThis study is concerned with the comparison of the results of some tests of passing and dribbling of the basketball of tow different years between teams of chosen young players in Baghdad. Calculative methods were used namely (Arithmetic mean, Value digression and T.test for incompatible specimens). After careful calculative treatments, it has been that there were abstract or no abstract differences in the find results of chestpass, highdribble and cross-over dribble. The clubs were: (Al-Khark, Air defence, Police and Al-Adamiyah) each one separate from the other for the year (2000-2001). After all that many findings were reached such as the lack of objective valuation (periodical tests) between one sport season and the other. In the light
... Show MoreIn this paper, various aspects of smart grids are described. These aspects include the components of smart grids, the detailed functions of the smart energy meters within the smart grids and their effects on increasing the awareness, the advantages and disadvantages of smart grids, and the requirements of utilizing smart grids. To put some light on the difference between smart grids and traditional utility grids, some aspects of the traditional utility grids are covered in this paper as well.
The effect of different doping ratio (0.3, 0.5, and 0.7) with thickness in the range 300nmand annealed at different temp.(Ta=RT, 473, 573, 673) K on the electrical conductivity and hall effect measurements of AgInTe2thin film have and been investigated AgAlxIn(1-x) Te2 (AAIT) at RT, using thermal evaporation technique all the films were prepared on glass substrates from the alloy of the compound. Electrical conductivity (σ), the activation energies (Ea1, Ea2), Hall mobility and the carrier concentration are investigated as a function of doping. All films consist of two types of transport mechanisms for free carriers. The activation energy (Ea) decreased whereas electrical conductivity increases with increased doping. Results of Hall Effect
... Show MoreHuman cerebral cortex is the outer folded neuronal layer and represents major part of the cerebrum with enormous functions. It is a laminar structure, easily visualized grossly. Previous studies showed that the Superior Temporal gyrus is one of the thickest cerebral cortex regions, reaching (about 4 mm). The Electron microscope study was made on 6 samples taken to measure the neuronal soma dimension of the large pyramidal cells present in the internal pyramidal cortical layer V in different age groups and gender. Aging process was obvious on the large pyramidal cells of the cerebral cortex, in which their neuronal soma dimensions showed shrinkage with age progression. But statistically there was no differences in the values between males an
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