نُفذت تجربة حقلية في أحد الحقول التي تقع على خط عرض 1333 59.93 شمالاً، وخط طول 37.913744" شرقاً، وعلى ارتفاع 31 م فوق مستوى سطح البحر خلال الموسم الخريفي لسنة 2018م لمعرفة تأثير نظم الحراثة المختلفة في إنتاجية الماء ونمو وحاصل الحنطة تحت التسوية الليزرية للارض ، استعملت في التجربة ثلاث معاملات المعاملة الأولى: الآت الحراثة وبمستويين هما المحراث المطرحي (T)، والمحراث الحفار (T2). إمَّا المعاملة الثانية نسبة انحدار تسوية سطح التربة وبثلاثة مستويات هي التسوية التقليدية (L)، والتسوية بنسبة انحدار 0.15 (L)، والتسوية بنسبة انحدار 0.30 (L2). والمعاملة الثالثة : معدل التصريف وبمستويين هما تصريف الأول 16 لتر ثا (Q1) ، والتصريف الثاني 24 لتر ثا ) (2) . صُمّمت التجربة وفق تصميم الالواح المنشقة - المنشقة وبثلاثة مكررات. ويمكن ايجاز اهم النتائج التي تم التوصل اليها: إنَّ معاملة T أعطت أعلى قيمة مِنْ ارتفاع النبات ووزن الف حبة يتساوى بقيمته معاملة T2 واعلى قيمة من الحاصل الكلي 73.07 سم و 40.36 غم 1000 حبة و 5.442 طن هـ على الترتيب. وأعطت معاملة L أعلى قيمة لِكُلِّ مِنْ ارتفاع المحصول ووزن الف حبة والحاصل الكلي 79.69 سم و 42.20 غم 1000 حبة 1 و6.347 طن هـا، على الترتيب. وأعطت معاملة أعلى قيمة لِكُلِّ مِنْ ارتفاع المحصول ووزن الف حبة والحاصل الكلي 72.62 سم و10.78 و 40.98 غم 1000 حبة و5.741 طن هـ، على الترتيب. وأعطت معاملة التداخل الثنائي على قيمة لِكُلِ مِنْ ارتفاع المحصول ووزن الف حبة والحاصل الكلي 80.15سم و 42.50 غم 1000 حبة 1 و 6.480 طن هـا ، على الترتيب. وأعطت معاملة TQ أعلى قيمة لِكُلِّ مِنْ ارتفاع المحصول ووزن الف حبة والحاصل الكلي 74.65 سم و 41.09 غم 1000 حبة 1 و 5.796 طن هـ، على الترتيب. وأعطت معاملة LQ أَعَلَى قيمة لِكُلِّ مِنْ ارتفاع المحصول ووزن الف حبة والحاصل الكلي 79.80 سم و 42.65 غم 1000 حبة 1 و6.644 طن هـا، عَلَى الترتيب. وأعطت معاملة TL أعلى قيمة لِكُلِ مِنْ ارتفاع المحصول ووزن الف حبة والحاصل الكلي 82.02 سم و 43.07 غم 1000 حبة 1 و 6.809 طن هـا، على الترتيب. 2 مؤشر عمق الجذر سُجَّل أعلى عمق له مع معاملة نسبة انحدار التسوية، مع معاملة T2 بعمق 61.83 سم. ومع معاملة مL بعمق 67.60 سم. ومع معاملة Q2 بعمق 61.33 سم. مع معاملة TL بعمق 69.35 سم. ومع معاملة 22 بعمق 63.00 سم. ومع معاملة LoQ2 بعمق 69.35 سم. ومع معاملة TL2 بعمق 71.10 سم. 3. إنَّ أعلى انتاجية ماء محصولي وحقلي كانت مع معاملة T بإنتاجية 13.294 و 13.571 كغم مم ، على الترتيب. ومع معاملة بإنتاجية 15.079 و 15.407 كغم مم ، على الترتيب. ومع معاملة Q بإنتاجية 11.735 و 11.825 كغم مم ، على الترتيب. ومع معاملة TL بإنتاجية 16.220 و 16.719 كغم مم ، عَلَى الترتيب. ومَعَ معاملة TQ بإنتاجية 14.326 و 14.685 كغم مم ، على الترتيب. ومَعَ معاملة LQ بإنتاجية 15.959 و 16.374 كغم مم ، عَلَى الترتيب. ومع معاملة بإنتاجية 17.220 و 17.811 كغم مم ، على الترتيب.
As we know the transportation studies regarded as one of a very
important and difficult studies and one of its difficulties created from the
process of data updating therefore the researcher well facing many difficulties
to balancing between the old data on collecting new data.
The research present an opinion which is summarized by: can we use
the old data after we updated and used it as alternatives? Or the researcher
must collect new data to complete their research which indicate to the present
situation and some times they cant complete their studies because of the
security, economic, temporally difficulties.
The research used two kinds of data, the old data which belong to the
period (1998) and new data
The increase in population resulted in an increase in the consumption of water. The present work investigates the performance of a recycling solar- powered greywater treatment system for the purposes of irrigation, used to reduce the amount of waste grey water and reduce electricity consumption and reduce the costs of constructing large scale water treatment plants. The system consumes about 3814W per hour and provides water treatment about 1.4 m3 per day. The proposed system is designed to residential, office and governmental buildings application. Tests are conducted in an office building at the Ministry of Science and Technology site in Baghdad. Laboratorial water samples testing analyses are co
... Show MoreA freshwater bivalve plays a crucial function in aquatic habitats as the filtered water and burrowing mussels mix the sediment, thus increasing oxygen content and making the ecosystem healthier. The aim of the study is to see how chlorpyrifos affects biochemical markers in freshwater mussel Unio tigridis. About 180 individuals per taxon and water samples were collected from the Qandil water resource on the Greater Zab River, Erbil Province, Iraq. Once arrived at the lab, the individuals were kept in aquaria with river water and an air-conditioned room Temperature: 25±2 and Light: 12h/12h and acclimatized to laboratory conditions for seven days in aged tap water. The mussel's identification molecularly and the DNA sequence of t
... Show MoreFrequency equations for rectangular plate model with and without the thermoelastic effect for the cases are: all edges are simply supported, all edges are clamped and two opposite edges are clamped others are simply supported. These were obtained through direct method for simply supported ends using Hamilton’s principle with minimizing Ritz method to total energy (strain and kinetic) for the rest of the boundary conditions. The effect of restraining edges on the frequency and mode shape has been considered. Distributions temperatures have been considered as a uniform temperature the effect of developed thermal stresses due to restrictions of ends conditions on vibration characteristics of a plate with different
... Show MoreThe major climate changes that have affected the planet in addition to wave the big drought plaguing the study area, including the lack of water for imports Badra River fatigue because of the Iran constructing dams on this river and make use of the waters for the benefitof its territory. The subject of finding sources of water has become available with the possibility of exploiting them in an exemplary manner is one of the key things in order to be exploited somewhere.
The study area was chosen within the eastern border of the province of Wasit within the district of Badra border, an area of (1557.5 km2) almost "to study the characteristics of hydrological and identify possibilities for water harvesting them. In this study was conduct
This research presents the possibility of using banana peel (arising from agricultural production waste) as biosorbent for removal of copper from simulated aqueous solution. Batch sorption experiments were performed as a function of pH, sorbent dose, and contact time. The optimal pH value of Copper (II) removal by banana peel was 6. The amount of sorbed metal ions was calculated as 52.632 mg/g. Sorption kinetic data were tested using pseudo-first order, and pseudo-second order models. Kinetic studies showed that the sorption followed a pseudo second order reaction due to the high correlation coefficient and the agreement between the experimental and calculated values of qe. Thermodynamic parameters such as enthalpy change (ΔH
... Show MoreThe study investigates the water quality of the Orontes River, which is considered one of the important water recourses in Syria, as it is used for drinking, irrigation, swimming and industrial needs. A database of 660 measurements for 13 parameters concentrations used, were taken from 11 monitoring points distributed along the Orontes River for a period of five years from 2015-2019, and to study the correlation between parameters and their impact on water quality, statistical analysis was applied using (SPSS) program. Cluster analysis was applied in order to classify the pollution areas along the river, and two groups were given: (low pollution - high pollution), where the areas were classified according to the sources of pollution to w
... Show MoreThe alfalfa plant, after harvesting, was washed, dried, and grinded to get fine powder used in water treatment. We used the alfalfa plant with ethanol to make the alcoholic extract characterized by using (GC-Mass, FTIR, and UV) spectroscopy to determine active compounds. Alcoholic extract was used to prepare zinc nanoparticles. We characterized Zinc nanoparticles using (FTIR, UV, SEM, EDX Zeta potential, XRD, AFM). Zinc nanoparticle with Alfalfa extract and alfalfa powder were used in the treatment of water polluted with inorganic elements such as Cr, Mn, Fe, Cu, Cd, Ag by (Batch processing). The batch process with using alfalfa powder gets treated with Pb (51.45%), which is the highest percentage of treatment. Mn (13.18%), which is the
... Show MoreObjective: impact of the education program for nurses' knowledge toward children under mechanical
ventilation, and to find out the relationships between nurses' knowledge and their general information.
Methodology: Quasi experimental study was carried out at the respiratory care units of Baghdad
Pediatric Teaching Hospitals started from February15th, until September 26th, 2011, A purposive (nonprobability)
sample of (23) nurses working in the respiratory care units, were selected from Children
Welfare and Pediatric Central Teaching Hospitals. The data were gathered through using of the
constructed multiple choice questionnaire using to evaluate the nurses knowledge using checklist, The
questionnaire consists of two p
Free vibration behavior was developed under the ratio of critical buckling temperature of laminated composite thin plates with the general elastic boundary condition. The equations of motion were found based on classical laminated plate theory (CLPT) while the solution functions consists of trigonometric function and a continuous function that is added to guarantee the sufficient smoother of the so-named remaining displacement function at the boundaries, in this research, a modified Fourier series were used, a generalized procedure solution was developed using Ritz method combined with the imaginary spring technique. The influences of many design parameters such as angles of layers, aspect ratio, thickness ratio, and ratio of initial in-
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