mjl@ ltrby@ wl`lmPub Date : 2022-12-01DOI: 10.33899/edusj.2022.134981.1268
Raddad Mahmoud, R. Rasool
{"title":"Studying the effect of changing the thickness of the layers of the perovskite solar cell (ZnTe /CH3NH3PbI3 /TiO2/ZnO/FTO) using the simulation program (SCAPS 1-D)","authors":"Raddad Mahmoud, R. Rasool","doi":"10.33899/edusj.2022.134981.1268","DOIUrl":"https://doi.org/10.33899/edusj.2022.134981.1268","url":null,"abstract":"This research includes a study of the effect of the thickness of each layer of perovskite solar cell (CH 3 NH 3 PbI 3 ) /TiO 2 /ZnO/FTO) and selecting the best thickness to obtain the highest efficiency of the cell, and studying the effect of adding a back surfsce layer on the efficiency of the solar cell using (SCAPS1-D). The perovskite (CH 3 NH 3 PbI 3 ) was adopted as absorption layer and its thickness tested from (1-7µm) with an increase of (1µm) to obtain the best thickness for best efficiency of the solar cell, its best thickness was (5µm), the thickness of the buffer layer (TiO 2 ) was tested from (0.5-1.5 µm) with an increase of (0.25µm) and its best thickness was (0.5 µm), the thickness of the transparent conduction oxide (FTO) layer was tested (0.1-1.1µm) with an increase of (0.2µm) and its best thickness was (0.1 µm) and the thickness of the window layer(ZnO) was tested (0.1-0.5 µm) with an increase of (0.1µm) and its best thickness was (0.1µm).The effect of the window layer on the thickness of the buffer layer was studied and it was found that the best thickness of the buffer layer is (0.05µm). Finally, a back surface field layer was added, which is zinc telluride (ZnTe) with a thickness of (0.1 µm) and its thickness was studied, and its best thickness was (0.05µm) .It was found that the best thickness of the absorbent layer after adding the back surface field layer is (1µm). The final outputs of the cell were as follows: Voc=1.288(V), Jsc=25mA/cm2, FF=89.55%, ƞ=28.82%","PeriodicalId":33491,"journal":{"name":"mjl@ ltrby@ wl`lm","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48974819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
mjl@ ltrby@ wl`lmPub Date : 2022-12-01DOI: 10.33899/edusj.2022.135880.1276
Zaid Yuonis, Aswan Ali, Emad Saleh, M. Mohamed
{"title":"Air Treatment by Negative Ions","authors":"Zaid Yuonis, Aswan Ali, Emad Saleh, M. Mohamed","doi":"10.33899/edusj.2022.135880.1276","DOIUrl":"https://doi.org/10.33899/edusj.2022.135880.1276","url":null,"abstract":"The research presents an effective and efficient mechanism for treating air and improving its specifications by designing and manufacturing a portable and small environmentally friendly device that works by an electric reactor to produce negative ions, which vibrate in the air during the discharge of negative charges to work on the association of negative ions with pollutants that carry a positive charge and fall by gravity and oxidize It decomposes and its effect diminishes and the production of small amounts of ozone works to kill pathogens without irritating the respiratory passages and lungs or causing side effects of living organisms","PeriodicalId":33491,"journal":{"name":"mjl@ ltrby@ wl`lm","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43489139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
mjl@ ltrby@ wl`lmPub Date : 2022-12-01DOI: 10.33899/edusj.2022.134548.1256
Muna allhiby, Mutaz AlJuboori
{"title":"Study of Optical and Structural Properties of Silver Solution Ag Nanoparticles","authors":"Muna allhiby, Mutaz AlJuboori","doi":"10.33899/edusj.2022.134548.1256","DOIUrl":"https://doi.org/10.33899/edusj.2022.134548.1256","url":null,"abstract":"Colloidal nanoparticles attended with a pulsed Nd:YAG, Q-switch in water distilled at wavelength (1064nm) and frequency rate (1Hz) and pulse duration (10ns) and silver nanoparticles attended without the use of surface tensile as laser removal of the silver target (10ns) was attended by silver nanoparticles without the use of surface tensile as laser removal of the silver target (10ns) was attended High purity) reached purity (99.9) immersed in distilled water (deionized) where the metal target was first removed from silver placed in (5mL) from distilled water, a specific laser card (260mJ) and a number of pulse fixed laser pulses(50, 100, 150) respectively, where the size and optical characteristics of nanoparticles were distinguished by the powerful electron microscope (TEM) and visible UV spectrometry (visible-UV), respectively, and the peaks of surface plasma resonance (SPR) showed an increase at (403) and (405) Nm, which is therefore within the permitted range, showed a higher peak of 405 nm and showed sharp spectra, although the width of the spectra slightly increased and the energy gaps showed an increase in the amount of 2.54eV at pulse (50). And (2.57eV) at pulse (100) and valued (2.66eV) at pulse (150).","PeriodicalId":33491,"journal":{"name":"mjl@ ltrby@ wl`lm","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43852550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
mjl@ ltrby@ wl`lmPub Date : 2022-12-01DOI: 10.33899/edusj.2022.134830.1264
Awadh Al-Luhaiby, R. Rasool
{"title":"Studying the effect of temperature and resistances of series (Rs) and parallel (Rsh) on the performance of the solar cell (FTO/Zn2SnO4/CdS:O/CdTe/Cu2Te) using the SCAPS-1D program","authors":"Awadh Al-Luhaiby, R. Rasool","doi":"10.33899/edusj.2022.134830.1264","DOIUrl":"https://doi.org/10.33899/edusj.2022.134830.1264","url":null,"abstract":"For the purpose of knowing the effect of temperature, series resistance and parallel resistance on the performance of the solar cell (FTO/ Zn 2 SnO 4 / CdS:O/ CdTe/ Cu 2 Te) ، Using the simulation program SCAPS-1D, the study was carried out in three stages. The first stage of this study is to study the effect of temperature on the parameters of the solar cell ، It was found that the efficiency decreases with increasing temperature . The second stage is to study the effect of series resistance (R s ) as an external factor and it was found that increasing the series resistance reduces the performance of the solar cell The third stage of the study is to study the effect of parallel resistance (R sh ) as an external factor as well on the performance of the solar cell. It was also found that increasing the parallelism resistance improves the performance of the solar cell and increases the output parameters. All phases of the study were installed by installing the default lighting spectrum on the global scale Am1.5, the temperature is 300K, the frequency is 1MHz, and the voltage is 0V. Also, the series resistance (R s ) and the parallel resistance (R sh ) were not activated in the first stage of the research, considering that the cell is an ideal cell.","PeriodicalId":33491,"journal":{"name":"mjl@ ltrby@ wl`lm","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41972649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
mjl@ ltrby@ wl`lmPub Date : 2022-12-01DOI: 10.33899/edusj.2022.135381.1269
Mustafa Aljaff
{"title":"Optimal Parameters for Spatial Distribution Modeling of Global Horizontal Solar Radiation in Iraq","authors":"Mustafa Aljaff","doi":"10.33899/edusj.2022.135381.1269","DOIUrl":"https://doi.org/10.33899/edusj.2022.135381.1269","url":null,"abstract":"","PeriodicalId":33491,"journal":{"name":"mjl@ ltrby@ wl`lm","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45001984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
mjl@ ltrby@ wl`lmPub Date : 2022-09-01DOI: 10.33899/edusj.2022.134274.1252
Ahmed H. AL-Hamdani
{"title":"Study of the Physico-chemical properties of groundwater for some villages north of Mosul city","authors":"Ahmed H. AL-Hamdani","doi":"10.33899/edusj.2022.134274.1252","DOIUrl":"https://doi.org/10.33899/edusj.2022.134274.1252","url":null,"abstract":"","PeriodicalId":33491,"journal":{"name":"mjl@ ltrby@ wl`lm","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43220519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
mjl@ ltrby@ wl`lmPub Date : 2022-09-01DOI: 10.33899/edusj.2022.133845.1238
Mohamed Y. Dhamra, Theia’a N. Al-Sabha, Mohammed S. Al-Enizzi
{"title":"Spectrofluorimetric determination of adrenaline and dopamine .","authors":"Mohamed Y. Dhamra, Theia’a N. Al-Sabha, Mohammed S. Al-Enizzi","doi":"10.33899/edusj.2022.133845.1238","DOIUrl":"https://doi.org/10.33899/edusj.2022.133845.1238","url":null,"abstract":"A sensitive fluorometric method, with few steps and suitable for the daily routine, was made for examining adrenaline hydrochloride and dopamine hydrochloride. The reliance in this paper was on the nucleophilic substitution interaction of the mentioned drugs with 1,2-naphthoquinone sulfonate (NQS) in an aqueous pH 6 to give a fluorescent product with a maximum emission wave at ʎ em 471 nm after being excited at a maximum excitation wave at ʎ ex 300 nm. The plots have complied within the range of 0.01- 4.0, 0.01-2 µg/ml, and The detection limits (0.0062, 0.0027) and quantitation limits were (0.0207, 0.0091) µg/ml, for adrenaline and dopamine respectively. The accuracy (% recovery) was between (99.21% - 100.72%) and the relative standard deviation (RSD%) is better than 0.95%. It was also found that the formed product was in a ratio of 1:2 reagent to the drug. The estimation of adrenaline and dopamine has been successfully tested on the injection, and it is in good agreement with its approved value and with that of the British Pharmacopoeia method.","PeriodicalId":33491,"journal":{"name":"mjl@ ltrby@ wl`lm","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41929201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
mjl@ ltrby@ wl`lmPub Date : 2022-09-01DOI: 10.33899/edusj.2022.133858.1239
Mostafa Y. Ismail, Hussein Saber Mohammed ali
{"title":"Pollution by crude oil and used engine oil and their impact on growth and concentration of some nutrients elements of flax and safflower plants.","authors":"Mostafa Y. Ismail, Hussein Saber Mohammed ali","doi":"10.33899/edusj.2022.133858.1239","DOIUrl":"https://doi.org/10.33899/edusj.2022.133858.1239","url":null,"abstract":": This study aims to show the effect of soil contamination with crude oil and its derivatives on the dry weight and Nutrient minerals on flax ( Linum usitatissimum L.) and safflower ( Carthamus tinctorius L.). This experiment was carried out in plastic pots and under Plastic house conditions, the treatment was carried out with crude oil, used car's engine oil and used generator's engine oil at three concentrations 1-2-3% for each treatment, in addition to the comparison treatment. The results showed a significant decrease in the dry weight of the shoot systems of flax and safflower when treated with crude oil at a concentration of 3% amounted to 0.043-0.124 g, respectively, and the dry weight of the root systems amounted to 0.022-0.015 g, respectively. There was also a significant decrease in the concentration of calcium in the shoot system of flax and safflower plants when treated with crude oil and used generator oil at a concentration of 3% amounted to (1,900-1.950) mgg, respectively. The calcium concentration has also decreased in the root system of flax and safflower plants when treated with used generator and car oil at the concentration 3% amounted to 1.500-1.600 mgg, respectively. Potassium concentration decreased in the shoot and root systems of flax and safflower plants when treated with generator engine oil and crude oil at a concentration of 3% and reached 6.900-10.45 and 4.150-8.800 mgg, respectively, compared to the control treatment and other treatments.","PeriodicalId":33491,"journal":{"name":"mjl@ ltrby@ wl`lm","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41818412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
mjl@ ltrby@ wl`lmPub Date : 2022-09-01DOI: 10.33899/edusj.2022.133867.1240
Teba Ali Jasem Ali, M. Jawhar
{"title":"Proposing a Model for Detecting Intrusion Network Attacks Using Machine Learning Techniques","authors":"Teba Ali Jasem Ali, M. Jawhar","doi":"10.33899/edusj.2022.133867.1240","DOIUrl":"https://doi.org/10.33899/edusj.2022.133867.1240","url":null,"abstract":": At the present time, the reliance on computers is increasing in all aspects of life, so it is necessary to protect computer networks and computing resources from complex attacks against the network. This is performed by building tools, applications, and systems that detect attacks or anomalies adapting to ever-changing architectures and dynamically changing threats. The goal of this paper is to build a Network Intrusion Detection System (NIDS) based on deep learning techniques such as Convolutional Neural Network (CNN), which demonstrated its efficiency in predicting, classifying, and extracting high-level features in network traffic.","PeriodicalId":33491,"journal":{"name":"mjl@ ltrby@ wl`lm","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45205234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}