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Shear Strength Evaluation of Directly and Indirectly Loaded Rectangular Recycled Self-Compacted Reinforced Concrete Slender Beams Using Experimental and Finite Element Analysis 用试验和有限元分析评价直接和间接加载的矩形自密实钢筋混凝土细长梁的抗剪强度
Pub Date : 2020-12-20 DOI: 10.32792/utq/utj/vol15/2/4
T. Alhussein, Jamal Abdul Samad, Khudhair
This study presents an experimental and numerical evaluation of the shear behavior of recycled aggregate concrete beams without transversal reinforcement. These beams were manufactured as self-compacted concrete with the use of both natural aggregate and recycled aggregate. The beams were subjected to direct and indirect loading conditions. The mechanical properties of four mixes were characterized in terms of compressive strength, splitting tensile strength, and elastic modulus. The experimental results showed that the shear capacity of recycled aggregate concrete is lower than those made with natural aggregate. The experimental shear capacities of the tested beams were compared with ACI318M-14 and relevant research studies in the literature. The ratio of experimental shear stress divided by the root square of concrete compressive strength (𝑣𝑒𝑥𝑝/ √𝑓𝑐`) , which indicates the ability of diagonally cracked concrete to transmit tension and shear. was remained for all configurations greater than 0.17, which is the minimum value recommended by the ACI318-14. Results from nonlinear finite element models were compared with the experimental data, and good agreement was achieved.
本文对无横向配筋再生骨料混凝土梁的抗剪性能进行了试验和数值评价。这些梁是用天然骨料和再生骨料制成的自密实混凝土。梁受到直接和间接加载条件。从抗压强度、劈裂抗拉强度和弹性模量等方面对四种混合料的力学性能进行了表征。试验结果表明,再生骨料混凝土的抗剪能力低于天然骨料混凝土。将试验梁的抗剪承载力与ACI318M-14及文献相关研究进行对比。试验剪应力除以混凝土抗压强度平方根(𝑣𝑒≥𝑝/√𝑓𝑐’)的比值,表示对角开裂混凝土传递拉剪的能力。所有大于0.17的配置都保留,这是ac318 -14推荐的最小值。将非线性有限元模型计算结果与实验数据进行了比较,结果吻合较好。
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引用次数: 0
Selected Antenatal Health Care Parameters of Pregnant Women’s in Duhok Province, Iraq. 伊拉克杜胡克省孕妇产前保健参数选择。
Pub Date : 2020-12-20 DOI: 10.32792/utq/utg/vol15/n.2/4
Saad Mohammed Shaheen Merza Alsoufi
: The health care for the hovering women means the health services provided during pregnancy and includes careful monitoring of the mother's health and the health of her fetus throughout pregnancy, as the research aims to evaluate these services through selected indicators of health care during pregnancy in Dohuk Governorate - Iraq, and a cross-sectional field study was conducted. To evaluate the data collected for more than 225 cases related to the level of education and the extent of adherence to the instructions and instructions for the care of pregnant women correctly, assuming the existence of a significant statistical relationship of significant level of education, personal hygiene, family planning, physical stress, personal habits, nutrition and primary health care The study found the importance of education for pregnant women during pregnancy and the need to adhere to follow-up as planned according to the research standards, and the research recommends emphasizing the importance of adopting the standards referred to by all medical personnel involved in caring for pregnant women in primary health care centers.
对孕妇的保健是指在怀孕期间提供的保健服务,包括在整个怀孕期间仔细监测母亲的健康和胎儿的健康,因为研究的目的是通过伊拉克杜胡克省怀孕期间保健的选定指标来评估这些服务,并进行了横断面实地研究。对收集到的225多例资料进行评估,假设显著教育程度、个人卫生、计划生育、身体压力、个人习惯等方面存在显著的统计关系。研究发现,在怀孕期间对孕妇进行教育的重要性,以及需要按照研究标准坚持按计划进行后续工作,研究建议强调采用初级保健中心所有参与照顾孕妇的医务人员提到的标准的重要性。
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引用次数: 1
Preparation and Characterization of New Ligand Azo-Schiff-2- Naphthol and Mixed Complexes With Ortho- Aminophenol and Ortho-Aminobenzoic Acid. 新配体偶氮-希夫-2-萘酚及其邻氨基酚和邻氨基苯甲酸混合配合物的制备与表征。
Pub Date : 2020-12-20 DOI: 10.32792/utq/utj/vol15/2/2
Abdulshaheed H. Batay, Mohamed A. Al-hasan
The work covered the synthesis and characterization many complexes of mixed ligands with some ions such as Co(II), Ni (II), Cu(II) and Zn(II) metals with new homocyclic azo azomethine ligand 1-((E)-(4-((Z)-1-(p-tolylimino) ethyl) phenyl) diazenyl) naphthalen-2-ol(TEPDN) and ligand (HL 2 =4-Aminoacetophenone ) at (1:1:1) ratio of (M: L 1 : L 2 ) the complexes was characterized by using elemental analysis Uv-Vis and infrared spectra also their prepared complexes war measured by using the same methods in addition of molar conductance measurements, magnetic susceptibility and determined of metal percent in complexes. The physic- chemical studies and spectra data indicate that ( TEPDN ) ligand and another ligand acts as monobasic bidentate ligand after deprotonated of hydroxyl group .
本文研究了Co(II)、Ni (II)、Cu(II)、Zn(II)等金属离子与新型均环偶氮亚甲基配体1-((E)-(4)-((Z)-1-(对苯基)乙基)苯基)二氮基)萘-2-醇(TEPDN)和配体(HL 2 =4-氨基苯乙酮)以(1:1:1)比(M: L 1)的混合配体的合成和表征。用元素分析、紫外可见光谱和红外光谱对配合物进行了表征,并采用相同的方法测定了配合物的摩尔电导、磁化率和金属含量。理化研究和光谱数据表明,(TEPDN)配体和另一种配体在羟基去质子化后充当单碱双齿配体。
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引用次数: 0
Analysis of the economic and social conditions of the displaced in Iraq for the period 2014-2015 2014-2015年伊拉克流离失所者的经济和社会状况分析
Pub Date : 2020-12-20 DOI: 10.32792/utq/utj/vol15/2/3
Sabiha Neama Dhahad
The research aims to identify the plight of internally displaced persons in Iraq and to highlight the size of the study of the causes and effects social and economic for displaced people and try to formulate Strategy proposed to contain the phenomenon of displacement through a survey the views of a sample composed of 78 individuals who have informed this phenomenon and through the national survey data for the displaced accomplished by the Central Bureau of Statistics and the data obtained from the matrix trace of Displaced, which is the information tool of the international Organization for migration ( international organization for migration ) for the period from January 2014 until April 2015 it was to display this data tables statistically to get to the results of the study . The results show That the internal displacement problem is one of the most dangerous phenomena in Iraqi society and the danger is to increase the flow and continuity and lack of control of the containment , the study many of the most important results showed that internal displacement in Iraq , a collective phenomenon that do not fit a particular age group and both sexes were born displacement great suffering for displaced people , including political and security healthy and economical ... etc., the researcher provided a set of recommendations , the most important of the formation of an emergency body permanent for all crises and disasters are expected to occur in the state and the crisis is not a temporary cell.
此项研究旨在找出国内流离失所者的困境在伊拉克和突出的大小研究原因和影响社会和经济的流离失所,试图制定策略提出了包含位移的现象通过调查样本由78个人的观点已经通知这一现象,通过流离失所的全国性调查数据通过中央统计局和获得的数据流离失所者的矩阵轨迹,这是国际移民组织(国际移民组织)在2014年1月至2015年4月期间的信息工具,用于统计显示这些数据表,以获得研究结果。结果表明,内部位移问题是伊拉克社会的最危险的现象之一,是增加的危险和连续性和缺乏控制流的控制,许多最重要的研究结果表明,内部位移在伊拉克,一个集体现象,不符合一个特定的年龄和男女出生位移为流离失所的人艰苦卓绝,包括政治和安全健康和经济…等方面,研究人员提出了一套建议,最重要的是组建一个永久性的应急机构,以便在所有危机和灾害都预期将发生的状态和危机中不是一个临时的细胞。
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引用次数: 0
Study of Some Hematological Parameters in Offpring of Heperlipidemic Female Laboratory Rats After Slmvastatln Treatment During Lactation. 斯伐他汀对哺乳期高脂血症雌性实验大鼠子代血液学参数的影响。
Pub Date : 2020-12-20 DOI: 10.32792/utq/utj/vol15/2/5
Nabeel Abed, R. S. Nuhair
The present study was designed to evaluate some of the haematological parameters in offspring of hyperlpidemic female rats after simvastatin treatment during lactation. Twenty four female rat were used in the current study were matted with fertile males, twelve of females are induced for hypercholesterolemia during pregnancy, other twelve were not, all animals were divided into 4 equal groups after delivery: G .1 (Control) normal animals given only 0.5 ml/kg animal of Dimethyl Sulphoxide (DMSO). G .2 hypercholestrolemic animals given only 0.5 ml/ animal of Dimethyl Sulphoxide (DMSO). G .3 (S1) hypercholestrolemic animals treated with 20 mg/kg/day (0.02ml/ animal) of simvastatine . G .4 normal animals treated with 20 mg/kg/day (0.02ml/ animal) of simvastatine. The treatment of mothers were continued for 30 days after delivery. Offspring (only the males)of these animals were sacrificed at their puberty and blood samples were collected in EDTA tubes for measuring of some hematological parameters. The present study revealed that a significantly decreased(P≤0.05) of RBC count, hemoglobin concentration (Hb), platelets count and MPV levels in offspring (male and female ) of G3 and G4 groups treated
本研究旨在评估哺乳期接受辛伐他汀治疗的高脂血症雌性大鼠后代的一些血液学参数。本研究选用24只雌性大鼠与有生育能力的雄性大鼠交配,其中12只在妊娠期间诱导高胆固醇血症,其余12只未诱导高胆固醇血症,分娩后将所有动物分为4组:G .1(对照组)正常动物仅给予0.5 ml/kg二甲基亚砜(DMSO)。G .2高胆固醇动物只给予0.5 ml/只的二甲基亚砜(DMSO)。G .3 (S1)高胆固醇动物,给予辛伐他汀20 mg/kg/天(0.02ml/只)。G .4正常动物给予辛伐他汀20 mg/kg/d (0.02ml/只)。母亲在分娩后继续治疗30天。这些动物的后代(仅雄性)在其青春期被处死,并在EDTA管中采集血样用于测量一些血液学参数。本研究发现,G3组和G4组子代(雄性和雌性)红细胞计数、血红蛋白浓度(Hb)、血小板计数和MPV水平均显著降低(P≤0.05)
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引用次数: 0
Preparation and Characterization of New Ligand Azo-Schiff-2- Naphthol and Mixed Complexes With Ortho- Aminophenol and Ortho-Aminobenzoic Acid 新配体偶氮-希夫-2-萘酚及其邻氨基酚和邻氨基苯甲酸混合配合物的制备与表征
Pub Date : 2020-12-20 DOI: 10.32792/utq/utg/vol15/n.2/2
The work covered the synthesis and characterization many complexes of mixed ligands with some ions such as Co(II), Ni (II), Cu(II) and Zn(II) metals with new homocyclic azo azomethine ligand 1-((E)-(4-((Z)-1-(p-tolylimino) ethyl) phenyl) diazenyl) naphthalen-2-ol(TEPDN) and ligand (HL 2 =4-Aminoacetophenone ) at (1:1:1) ratio of (M: L 1 : L 2 ) the complexes was characterized by using elemental analysis Uv-Vis and infrared spectra also their prepared complexes war measured by using the same methods in addition of molar conductance measurements, magnetic susceptibility and determined of metal percent in complexes. The physic- chemical studies and spectra data indicate that ( TEPDN ) ligand and another ligand acts as monobasic bidentate ligand after deprotonated of hydroxyl group .
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引用次数: 0
Study of Some Hematological Parameters in Offpring of Heperlipidemic Female Laboratory Rats After Slmvastatln Treatment During Lactation 斯伐他汀对哺乳期高脂血症雌性实验大鼠子代血液学参数的影响
Pub Date : 2020-12-20 DOI: 10.32792/utq/utg/vol15/n.2/1
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引用次数: 0
how to make DOI 如何制作DOI
Pub Date : 2020-10-01 DOI: 10.32792/utq/vol14/4/1
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引用次数: 0
Study of Mixed Spin (1, 3/2) in Ferrimagnetic Ising Nanowire 铁磁Ising纳米线中混合自旋(1,3 /2)的研究
Pub Date : 2020-08-28 DOI: 10.32792/utq/utj/vol14/4/4
Omar Nabil, H. Mohamad, Hassan, A. Yasser
A ferrimagnetic mixed spin square Blume-Capel Ising nanowire system depend of spin-1 core and spin-3/2 outer shell have been investigated. The general formula for the temperature dependence of the equilibrium magnetization of the system is presented. The ferrimagnetic core-shell nanosystem shows a compensation point when the exchange interactions are changed at various values of the single-ion anisotropies of shell sublattices and core ones, respectively. So, one can examine interesting phenomena are compensation behaviors and the free energy of the nanosystem, where these phenomena found that the mixed-spin square Blume-Capel Ising nanosystem which is being considered has two spin compensation temperatures in the range of 4.0 8.0 1     J D B , when 7.0 3   J , for two different values of core anisotropy for sublattices of atoms A, 0 1  J D A , and
研究了一种由自旋为1的核心和自旋为3/2的外壳组成的铁磁混合自旋方形blme - capel - Ising纳米线体系。给出了系统平衡磁化强度与温度关系的一般公式。当壳亚晶格和核亚晶格的单离子各向异性不同时,交换作用发生变化,铁磁核-壳纳米系统出现一个补偿点。因此,人们可以研究有趣的现象是补偿行为和纳米系统的自由能,在这些现象中发现,混合自旋平方Blume-Capel - Ising纳米系统正在考虑具有两个自旋补偿温度范围为4.0 8.0 1  J D B,当7.0 3 J时,对于原子亚晶格A的两个不同的核各向异性值,0.1J D A,和
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引用次数: 0
Image Steganography Technique by Using MSUSAN Algorithm 基于MSUSAN算法的图像隐写技术
Pub Date : 2020-08-28 DOI: 10.32792/utq/utj/vol14/4/11
Zainab Fadhil Yaseen, Abdulamir A. Karim
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引用次数: 0
期刊
University of Thi-Qar Journal
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