Heavy metals contamination in aquatic ecosystems is considered one of the most important threats of aquatic life. Submerge aquatic plants Ceratophyllum demersum in its non living form used for the removal of trace elements. This article studied the ability of the fine powder of C.demersum for the removal of some heavy metals (HM) like copper, cadmium, lead and chrome from aqueous solution with in variable experimental factors. The study occupy two treatments the first included different hydrogen ions pH within a range of 4, 5,6and 8 with a constant HM concentration (1000 ppm).While the second treatment represented by using variable HM concentrations within a range of (250,500,750and 1000 ppm) with a constant pH=7.In both treatments the a

In this study, four sampling stations were selected on the Tigris River (Baghdad region) in order to determine concentrations, seasonal variation and pollution intensity assessment of heavy metals (Cd, Zn and Mn) in water, sediments and Barbus xanthpterus fish in this river. The study results showed that the mean concentration of dissolved heavy metals (cadmium, zinc and manganese) were 0.004 ppm, 0.023 ppm and 0.007 ppm, respectively. Whereas, their concentrations in sediments were 1.38 ppm, 86 ppm and 231.4 ppm respectively. Irregular seasonal variation for concentrations of these metals in both sediments and water. The mean concentration of these metals in tissues of fish muscles were 0.0043 ppm, 0.0023 ppm and 0.03 ppm for cadmium, z

     Reservoir characterization requires reliable knowledge of certain fundamental properties of the reservoir. These properties can be defined or at least inferred by log measurements, including porosity, resistivity, volume of shale, lithology, water saturation, and permeability of oil or gas. The current research is an estimate of the reservoir characteristics of Mishrif Formation in Amara Oil Field, particularly well AM-1, in south eastern Iraq. Mishrif Formation (Cenomanin-Early Touronin) is considered as the prime reservoir in Amara Oil Field. The Formation is divided into three reservoir units (MA, MB, MC). The unit MB is divided into two secondary units (MB1, MB2) while the unit MC is also divided into two sec

Chlamydia trachomatis is the most common of negative gram bacteria that cause sexually transmitted diseases. It affects the reproductive system in women, not the symptoms of the disease, but the most serious is the long-term effects of the reproductive system.. out of 100 women were attending different hospitals in Baghdad included the Gynaecology Departments of Women Health Center at Al-Elwyia Obstetrics Hospital . Ibn Al balady Maternity and Children's Hospital , Kamal al-Samarrai hospital Fertility Center infertility treatment and In Vitro Fertilization ( IVF ) (20 control and 80 women with infertility) DNA was extracted from the Endocervical Swabs of all infertili women, to investigate the bacteria by using Real time -PCR technique a

This paper is employed to discuss the effects of the magnetic field and heat transfer on the peristaltic flow of Rabinowitsch fluid through a porous medium in the cilia channel. The governing equations (mass, motion, and energy) are formulated and then the assumptions of long wavelength and low Reynold number are used for simplification. The velocity field, pressure gradient, temperature, and streamlines are obtained when the perturbation technique is applied to solve the nonlinear partial differential equations. The study shows that the velocity is decreased with increasing Hartmann number while it is decreased with increasing the porosity.

In this research, a non-thermal plasma system was designed and a non-thermal plasma needle was manufactured for argon gas operating at normal atmospheric pressure. The electrical description of this system studied by using two different values of voltages (4.9,8) kV. Where the results showed the small amount of electrical current consumed by the system of plasma needle up to several microns of amps, and the value of the electrical current increase with the increasing gas flow, as well as the results, showed that happen a breakdown voltage at (8) kV when gas flow (4 l/min) causing a slight decrease in the electrical current value.

Communication is one of the vast and rapidly growing fields of engineering, where
increasing the efficiency of communication by overcoming the external
electromagnetic sources and noise is considered a challenging task. To achieve
confidentiality for color image transmission over the noisy communication channels
a proposed algorithm is presented for image encryption using AES algorithm. This
algorithm combined with error detections using Cyclic Redundancy Check (CRC) to
preserve the integrity of the encrypted data. This paper presents an error detection
method uses Cyclic Redundancy Check (CRC), the CRC value can be generated by
two methods: Serial and Parallel CRC Implementation. The proposed algorithm for
the

The goal of this paper is to construct an arcs of size five and six with stabilizer groups of type alternating group of degree five and degree six . Also construct an arc of degree five and size with its stabilizer group, and then study the effect of and on the points of projective plane. Also, find a pentastigm which has the points on a line. Partitions on projective plane of order sixteen into subplanes and arcs have been described.

      A food chain model in which the top predator growing logistically has been proposed and studied. Two types of Holling’s functional responses type IV and type II have been used in the first trophic level and second trophic level respectively, in addition to Leslie-Gower in the third level. The properties of the solution are discussed. Since the boundary dynamics are affecting the dynamical behavior of the whole dynamical system, the linearization technique is used to study the stability of the subsystem of the proposed model. The persistence conditions of the obtained subsystem of the food chain are established. Finally, the model is simulated numerically to understand the global dynamics of the food chain un

This study includes structural and stratigraphic interpretation of 3D seismic reflection data for Zubair Formation (L. Cretaceous) within Al-Akhadeir area, southwestern Iraq (Karbala Governorate). Depending on the 3D seismic reflection interpretation process, and based on the synthetic seismogram  and well logs data, two horizons were identified and selected (top and base Zubair  reflectors). These horizons were followed up over the entire area in order to obtain structural and stratigraphic settings. TWT, depth, and velocity maps for the base and top Zubair Formation were constructed. From the interpretation of these maps and based on the seismic section, the study concluded that there are some enclosures that represent anticl

The aim of this paper is adopted to give an approximate solution for advection dispersion equation of time fractional order derivative by using the Chebyshev wavelets-Galerkin Method . The Chebyshev wavelet and Galerkin method properties are presented. This technique is used to convert the problem into the solution of linear algebraic equations. The fractional derivatives are described based on the Caputo sense. Illustrative examples are included to demonstrate the validity and applicability of the proposed technique.

In this research calculate the ecliptic and equatorial coordinates for the Moon , Sun and Jupiter through 100 years and calculate the distances between the Moon and the Earth , the Sun and the Earth , Jupiter and the Sun, Jupiter and the Earth . From Calculation and discussion the changes in the equatorial coordinate were: Δ , Δ δJ = (22.73+21.93, 23.28+22.99) , and the maximum values and minimum values for the Moon were: Rm(min) = 0.00239,0.00240 and Rm(max) = 0.0027,0.00272 , and Jupiter RJ(min) = 4.99077,4.99966 and RJ(min) = 5.44469,5.45057 , and the periods change preface to calculate the conjunction of the Moon and Jupiter. 

      Fuchs introduced purely extending modules as a generalization of extending modules. Ahmed and Abbas gave another generalization for extending modules named semi-extending modules. In this paper, two generalizations of the extending modules are combined to give another generalization. This generalization is said to be almost semi-extending. In fact, the purely extending modules lies between the extending and almost semi-extending modules. We also show that an almost semi-extending module is a proper generalization of purely extending. In addition, various examples and important properties of this class of modules are given and considered. Another characterization of almost semi-extending modules is established. Moreover, the re

In this paper, cubic trigonometric spline is used to solve nonlinear Volterra integral equations of second kind. Examples are illustrated to show the presented method’s efficiency and convenience.

     This paper presents a new RGB image encryption scheme using multi chaotic maps. Encrypting an image is performed via chaotic maps to confirm the properties of secure cipher namely confusion and diffusion are satisfied. Also, the key sequence for encrypting an image is generated using a combination of   1D logistic and Sine chaotic maps. Experimental results and the compassion results indicate that the suggested scheme provides high security against several types of attack, large secret keyspace and highly sensitive.   

The present study was carried out to determine the type and nature of bacterial contamination of Iraqi paper currency notes (Dinar) in circulation. 100 paper currency notes of different denominations were randomly collected from different places and different occupational groups in Baghdad city. Identification and characterization results showed bacterial contamination of all 100 samples with 100% contamination. A total of 114 bacterial isolates were obtained from the one hundred samples made up of 12 different bacterial species. Bacteria isolated from Iraqi paper currency notes include: Bacillus spp. (28.1%) ،Coagulase negative Staphylococci (21.1%), Staphylococcus aureus (7.9%) ،Proteus spp. (7.9%), Escherichia coli (6.1%),Citrobacte

Trophozoites of Entamoeba histolytica were isolated from a stool sample, and then cultivated and maintained axenically by using Locke-egg medium (LEM). The effect of supplementation of two different milk sources on the growth and activity of the parasite was investigated. The first source which is an animal (bovine milk) and the second is plant source (coconut & soybean milk). Different concentrations of milk (1, 5, and 10 %) have been added to the Locke-egg medium that is specified to the growth of E. histolytica. The ability of these three types of milk in inhibiting the E. histolytica growth was examined after 24 and 48h of incubation in addition to morphological changes that parasites underwent were observed. The results showed t

The aim of this research is to implement the model for solar radiation absorption by
plant leaves to study the effects of season and time of the day on the absorbed
amount of solar radiation. The effect of leaf area index, leaf angle distribution, leaf
absorption coefficient were also considered. Calculations for the radiation flux
densities for sunlit leaves, the radiation flux densities for shaded leaves, and the
Absorbed total Photosynthetically Active Radiation on the leaves were carried out
for Baghdad city (Latitude 33o N). The results showed that the behavior of sunlit
leaves and shaded leaves behave differently as season and time of the day change.
The leaf parameters have significant effect on the amount

One hundred and sixty one serum samples collected from pre-marital women in Baghdad province, without any clinical evidence of cytomegalovirus (CMV) infection, were screened for the presence of IgG and IgM antibodies against CMV by ELISA test. The IgG antibodies were detected in 58 which gave prevalence rate of 36%, while the IgM antibodies were detected in 16 (9.9%). The number of both IgG and IgM sero positive was 50 (31.1%) and the number of both IgG and IgM sero negative (control) was 37 (23%). rising in seropositivity was observed with young women, reaching to maximum of 46.6% in age group 15-19 years.While the lower percentage 9(5.6%) showed in the age group of (30-35) years. Seroprevalence rate was also found to be more in women f

The aim of this paper is to present method for solving high order nonlinear ordinary
differential equations with initial conditions using semi-analytic technique with
constructing polynomial solutions. The original problem is concerned using twopoint
osculatory interpolation with the fit equal numbers of derivatives at the end
points of an interval [0, 1] and give example illustrate suggested method and
accuracy, easily implemented. The accuracy of the method is confirmed by
compared with conventional methods ( RK4, RK-Butcher, DTM ).
The existence, uniqueness and sensitivity of the solution is discussed.

Amplified fragment length polymorphism (AFLP) analysis was used to study the genotype relation among ten different olives varieties from al- zafrania and al-mosel station ministry of agriculture/Iraq Shami, Sorani, Manzanilla ,Kaissy, Arbequine ,Jlot, Baaskika ,Dahkan, Nabali, Khodeir , Nine primers combinations were used which produced about 250 amplified fragment. . One hundred and forty fife of these loci (59.8%) were polymorphic over all the genotypes tested. Dendrogram and matrix of similarity were obtained by the Unweighted Pair-GroupMethod analysis (UPGMA).study showed four group 1 : Jlot , Dahkan , Kiassy, Basskika 2 : Manzanilla, Khodeiri, Sorani, 3 : Nabali, Arbequine 4 : Shami . AFLP has a powerful tool for detecting genetic r

In this paper , we introduce some results in a prime Γ-ring M with centralizer
which is related to the quotient Γ-ring Q of M, and prove our main result; Let M
be a prime Γ-ring with char M ≠ 2, U a non-zero right ideal of M and T1 and T2 two
non-zero centralizers of M. If T1T2(U) = (0), then there exists two elements p, q of Q
such that qΓU = (0) and pΓU = (0).

Let R be an associative ring with identity and M be unital non zero R-module. A
submodule N of a module M is called a semismall submodule of M (briefly N << S M) if N =
0 or for each nonzeror submodule K of N, N / K << M / K. In this work,we study this
kind of submodule of M and the modules which is satisfies the ascending chain
condition (a. c. c.) and descending chain condition (d. c. c.) on semismall submodules
.Then we generalize the Rad(M) into s- Rad(M) ,It is equale to the sum of all semismall
submodule of M . We show that if N not semismall submodule of M.Then s-Rad (N) =
N∩s-Rad (M)and we discuss some of the basic properties of this types of submodules

In this work 27 events have been chosen for the period from (17 Feb 2000 to 10 Sep 2014) to analyze their intensity profile and find out what is the most effective reason behind the bulk of the accelerated SEPs as seen in the interval from the onset to the maximum intensity. It was found that the parameters of the associated eruptions (CME and solar flare) could play a major role in this acceleration. We considered some of these parameters such as: flare class related to soft X-ray flux, CME's speed and acceleration, site of the eruption (western, eastern) and particle transport in the IP medium. The shape of the profile showed a clear changing in ΔT1 (time from onset to maximum), as an inverse relation with the acceleration of coronal

Many recent satellite image compression methods depends on removing the spectral and spatial redundancies within image only , such these methods known as intra-frame(image) coding such as predictive and transformed based techniques , but these contributions needs a hard work in order to improve the compression performance also most of them are applied on individual data. The other trend is to exploit the temporal redundancy between the successive satellite images captured for the same area from different views, different sensors, or at different times, which will be much correlated and removing this redundancy will improve the compression performance and this principle known as inter-frame(image) coding .In this paper, a latest powerful

In this study ,the Aspergillus fumigatus histopathological activity on the mice livers during aspergillosis became more obvious. The total number of 40 male Albino swiss mice were randomly divided into 8 groups (Five mice/group). The 1st group were immunosuppressed , while the 2nd group are not immunosuppressed , and control mice were instilled nasally with Phosphate buffer saline and Tween 20 ( five mice / control). The mice were sacrificed after 7th , 14th and 21st day post infection. It was found that immunosuppressive treatments increase substantially the susceptibility of animals to infection by invasive aspergillosis, with higher progression of disease and earlier expression of inflammatory cells comparing with the non immunosuppre

Chacha 20 is a stream cypher that is used as lightweight on many CPUs that ‎do not have dedicated AES instructions. As stated by Google, that is the reason why they use it on many ‎devices, such as mobile devices, for authentication in TLS protocol. This paper ‎proposes an improvement of chaha20 stream cypher algorithm based on tent and ‎Chebyshev functions (IChacha20). The main objectives of the proposed IChacha20 ‎algorithm are increasing security layer, designing a robust structure of the IChacha20 ‎to be enabled to resist various types of attacks, implementing the proposed ‎algorithm for encryption of colour images, and transiting it in a secure manner. The ‎ test results proved that the MSE, PSNR, UQI and NCC metrics

     This paper proposed several approaches for estimating the optical turbulence of the Earth’s atmosphere and their effect on solar images’ resolution using ground-based telescopes based on von Kárman, Kolmogorov, and modified von Kárman PSDs models. The results showed a strong correlation coefficient for the modified von Kármán model of atmospheric representation. As can be seen in the case where solar adaptive optics have been properly designed, they typically decrease aberration considerably and provide greatly improved imagery.

The spectrum known represented as a relationship that’s plotted between the magnitudes or energy for a specific parameter vs. its frequency, the wind spectrum is presented as the sum of wind speed created by events divided either in space, in time, or both. This paper presents a wind speed spectrum demonstration in
Ali Al-Gharbi location in Iraq. The aim of the present paper is to analysis the wind speed and direction by employing the FFT (Fast Fourier Transform) therefore field measurement of wind speed and direction were collected for one year from Dec 2014 to Dec 2015 in the time interval of 10 minutes at heights of 10, 30 and 50
meters. From the performance of the FFT it was found that the v

The present study was conducted to determine the optimum conditions required for lipase enzyme activity extracted from germinated sunflower seeds, including temperature, pH, agitation, time of incubation, enzyme concentration, substrate type, and concentrations of mineral salts and EDTA. Optimum pH, temperature and time of incubation required for lipase stability were also determined. The results showede optimum lipase activity (3.251U/ml) wasund at 30 ÌŠC and pH 7 after 20 minutes of incubation when using 1 ml lipase enzyme with 0.02 ml of CaCl₂ (10 mM) at 100 rpm of agitation and in the presence of olive oil as the substrate for enzyme reaction. EDTA appeared to have inhibitory effects, while Ca⁺² and Mg^+2<