Journal of Scientific Research in Science最新文献

筛选
英文 中文
Evaluation of DNA Damage in Peripheral Blood Lymphocytes Exposed to Gamma Radiation γ辐射下外周血淋巴细胞DNA损伤的评价
Journal of Scientific Research in Science Pub Date : 2020-02-01 DOI: 10.21608/jsrs.2020.96478
A. Rady, S. Korraa, W. Elshemey, A. Dakrory
{"title":"Evaluation of DNA Damage in Peripheral Blood Lymphocytes Exposed to Gamma Radiation","authors":"A. Rady, S. Korraa, W. Elshemey, A. Dakrory","doi":"10.21608/jsrs.2020.96478","DOIUrl":"https://doi.org/10.21608/jsrs.2020.96478","url":null,"abstract":"Aya S Rady*, Soheir S. Korraa, Wael M. Elshemey, Amira Dakrory Physics Department, Faculty of Women for Arts; Science and Education, Ain Shams University, Cairo, Egypt. Radiation Health Department, National Center for Radiation Research & Technology, Cairo, Egypt. Biophysics Department, Faculty of Science, Cairo University, 12613, Giza, Egypt. Physics Department, Faculty of Science, Islamic University in Madinah, KSA. Abstract","PeriodicalId":16981,"journal":{"name":"Journal of Scientific Research in Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73338258","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}
引用次数: 2
Ellipsometric studies on rough Zn and Cd polycrystalline samples 粗糙锌和镉多晶样品的椭偏研究
Journal of Scientific Research in Science Pub Date : 2020-02-01 DOI: 10.21608/jsrs.2020.96474
Mohamed Abdelnaby, Sobhy Ebrahim, M. Osman, N. Nagib
{"title":"Ellipsometric studies on rough Zn and Cd polycrystalline samples","authors":"Mohamed Abdelnaby, Sobhy Ebrahim, M. Osman, N. Nagib","doi":"10.21608/jsrs.2020.96474","DOIUrl":"https://doi.org/10.21608/jsrs.2020.96474","url":null,"abstract":"A manual null ellipsometer is constructed and used to determine the optical constants of zinc and cadmium of different surface roughness at the wavelength 632.8 nm, angle of incidence 45° and room temperature. The studied samples are polycrystalline sheets of thickness ~ 0.05 mm and surface area 30 mm x 30 mm. The samples were mechanically polished using diamond paste of different grain sizes. The final stage of polishing for the samples was with pastes of grain size 0.5 μm, 2.5 μm, 5 μm, 10 μm and 14 μm. The ellipsometric parameters ψ and Δ were obtained and were used to calculate the optical constants n (refractive index) and k (extinction coefficient). It was found that as the roughness is increased, the refractive index n increases while the extinction coefficient k decreases. The used optical arrangement for ellipsometric measurements is presented and the procedure for extracting the results is explained. The uncertainty in the results is calculated and included in the results.","PeriodicalId":16981,"journal":{"name":"Journal of Scientific Research in Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79409871","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}
引用次数: 0
Uses of EAFS in production of blended cements EAFS在混合水泥生产中的应用
Journal of Scientific Research in Science Pub Date : 2020-02-01 DOI: 10.21608/jsrs.2020.129922
Asmaa Sarhan, E. Kishar, Samya A. Hamed
{"title":"Uses of EAFS in production of blended cements","authors":"Asmaa Sarhan, E. Kishar, Samya A. Hamed","doi":"10.21608/jsrs.2020.129922","DOIUrl":"https://doi.org/10.21608/jsrs.2020.129922","url":null,"abstract":"In this investigation the goal is to prepare different blended cements by blending various mixes using electric arc furnace slag EAFS (90%OPC+10%EAFS) mixes, (80%OPC+20%EAFS) and (70%OPC+30%EAFS) .These materials are combined with different w/s ratios then poured into 1 inch cubic moulds and left within the moulds at room temperature (25±1C) and 100% relative humidity for 1day.They are then taken out of moulds and cured under tap water for 3,7,28,90 and 180 days. For each hydration time, combined water, compressive strength, total porosity and bulk density .The X-ray diffraction patterns are then registered. The results show that the blends containing (90%OPC+10%EAFS) and (80%OPC+20%EAFS) are the best blended pastes.","PeriodicalId":16981,"journal":{"name":"Journal of Scientific Research in Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79143062","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}
引用次数: 1
Influence of annealing temperature of α- Fe2O3 nanoparticles on Structure and Optical Properties. α- Fe2O3纳米颗粒退火温度对结构和光学性能的影响。
Journal of Scientific Research in Science Pub Date : 2020-02-01 DOI: 10.21608/jsrs.2020.19747.1004
Eman Tawfik, W. Eisa, N. Okasha, H. Ashry
{"title":"Influence of annealing temperature of α- Fe2O3 nanoparticles on Structure and Optical Properties.","authors":"Eman Tawfik, W. Eisa, N. Okasha, H. Ashry","doi":"10.21608/jsrs.2020.19747.1004","DOIUrl":"https://doi.org/10.21608/jsrs.2020.19747.1004","url":null,"abstract":"Abstract This work has been focused on the synthesis of the raw materials iron oxide nanoparticles; hematite (α-Fe2O3) from Iron (II) chloride tetra hydrate (FeCl2-4H2O) and iron (III) chloride hexahydrate (FeCl3-6H2O) using Solid State Chemical Reaction technique. Nanostructure powders were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), energy dispersive X-ray spectroscopy (EDX), and UV-visible spectroscopy. XRD confirmed the formation of crystalline α-Fe2O3 nanostructured and its average crystallite size increased from ~ 12 to 28 nm with increasing annealing temperature from 200˚C up to 800℃ while SEM confirmed the morphology and the purity of the sample was evaluated from the energy dispersive spectrum (EDS). Moreover, strain decreased with increasing annealing temperature. UV-visible characterization indicated the existence of both direct and indirect band gap in the samples. All the annealed samples showed the direct band gap at ~ 2.21 eV. However, the indirect band gap increased from 1.6 to 1.94 eV when the annealing temperature increased from 200 up to 700℃ and remained almost the same for sample annealed at 800℃. The observed values of optical band gaps were in close agreement with the reported values. Our results indicated that the annealing would give rise to a good crystalline α-Fe2O3 nanoparticles with reduced strain","PeriodicalId":16981,"journal":{"name":"Journal of Scientific Research in Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73335094","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}
引用次数: 6
Characterization of Pu-bearing materials by non-destructive spectrometric approach: relevance for nuclear forensics 用非破坏性光谱法表征含铅材料:与核取证相关
Journal of Scientific Research in Science Pub Date : 2020-02-01 DOI: 10.21608/jsrs.2020.129914
M. Tawfeek, W. El-Gammal, H. Abu-Zied, A. Nada, Zaineb F. Hassan, F. Ragab
{"title":"Characterization of Pu-bearing materials by non-destructive spectrometric approach: relevance for nuclear forensics","authors":"M. Tawfeek, W. El-Gammal, H. Abu-Zied, A. Nada, Zaineb F. Hassan, F. Ragab","doi":"10.21608/jsrs.2020.129914","DOIUrl":"https://doi.org/10.21608/jsrs.2020.129914","url":null,"abstract":"One of the main components that should be in place to control nuclear materials and their applications is a robust measurement system. The function of this system is not only to verify the correctness of the information regarding nuclear materials but it must be capable to characterize the unknown materials as well. The material's chemical and physical attributes concluded from the characterization process are needed to determine the intended use and origin of such materials. Thus, the characterization of nuclear materials is a key issue and equally important in nuclear safeguards (for inventory verification) and in nuclear security (for forensics attribution). Herein, an absolute spectrometric non-destructive analysis (NDA) method was used to characterize some plutonium-bearing materials. The gamma-ray spectra from fifteen samples were obtained using a high purity germanium detector. A portable HPGebased radionuclide (Falcon 5000) with the In-Situ Object Counting System (ISOCS) which is based on a pre-efficiency calibrated high-resolution gamma-spectrometer in combination with analysis software was applied. The isotopic composition of the assayed samples was estimated from the direct measurement of the activities of Pu isotopes as well as Am, Pa, and U isotopes. The obtained results have shown that the proposed spectrometric method can be successfully used to characterize Pu-bearing samples for nuclear forensic purposes.","PeriodicalId":16981,"journal":{"name":"Journal of Scientific Research in Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74227842","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}
引用次数: 2
Adsorption of Diclofenac from Aqueous Solution Using Highly Meso porous Carbon 高介孔活性炭吸附水溶液中双氯芬酸的研究
Journal of Scientific Research in Science Pub Date : 2020-02-01 DOI: 10.21608/jsrs.2020.129927
N. Youssef, Ebtsam S. Hamza, S. Shaban
{"title":"Adsorption of Diclofenac from Aqueous Solution Using Highly Meso porous Carbon","authors":"N. Youssef, Ebtsam S. Hamza, S. Shaban","doi":"10.21608/jsrs.2020.129927","DOIUrl":"https://doi.org/10.21608/jsrs.2020.129927","url":null,"abstract":"Synthetics of mesoporous carbon (MC) from biomass including sucrose was used as the carbon resource, and eutectic salt (KCl/NaCl) as the porogen agent for the preparation of S-MC (sucrose mesopores carbons). The resultant samples were examined by means of different techniques, including thermal analysis (TGA), FTIR, transmitted electron microscopy (TEM), X-ray diffraction (XRD) and BET measurements. Investigate the efficiency of adsorption of diclofenac by highly mesopores carbons using Ultraviolet–Visible spectroscopy. The final concentrations of diclofenac were measured using Ultraviolet–Visible spectroscopy at different conditions (pH, contact time, temperature, weight of adsorbate, weight of adsorbent). Key words; diclofenac, sucrose, meso porous carbon, UV–spectroscopy.","PeriodicalId":16981,"journal":{"name":"Journal of Scientific Research in Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86098172","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}
引用次数: 0
The interaction between a Three-Level Atom and Four Systems of N-Two Level Atoms 一个三能级原子与四个n -二能级原子体系之间的相互作用
Journal of Scientific Research in Science Pub Date : 2020-02-01 DOI: 10.21608/jsrs.2020.129796
A. Makram-Allah, M. Ahmed, D. Abo-Kahla
{"title":"The interaction between a Three-Level Atom and Four Systems of N-Two Level Atoms","authors":"A. Makram-Allah, M. Ahmed, D. Abo-Kahla","doi":"10.21608/jsrs.2020.129796","DOIUrl":"https://doi.org/10.21608/jsrs.2020.129796","url":null,"abstract":"We have four systems, each of them contains N-atoms, and each atom of them consists of two levels, and all of them interact with an atom consisting of three levels. Moreover, the atom is also related to the systems by coupling parameters that are time-dependent. By considering particular conditions, the exact solution for the wave function is realized. Then we survey the atomic population inversion in addition to the normalized correlation functions. We examine the influence of many parameters on the previous statistical aspects. We deduce from the conclusions that the behavior of the correlation function is affected by the existence of the time-dependent coupling parameters between spins. We prove that changing the values of the coupling parameters between spins λk, the parameters e, and the quantum numbers Nγ enables us to control the correlated behavior in addition to the atomic population. So, we can control this model through these parameters.","PeriodicalId":16981,"journal":{"name":"Journal of Scientific Research in Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75251217","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}
引用次数: 2
Studies on the Adsorption Behavior of 152+154Eu (III) on Synthesized Graphene Oxide 152+154Eu (III)在合成氧化石墨烯上的吸附行为研究
Journal of Scientific Research in Science Pub Date : 2020-02-01 DOI: 10.21608/jsrs.2020.129925
fatma elsweify, N. Mohamed, D. A. A. El-Monem, H. Ramadan, W. Hegazy
{"title":"Studies on the Adsorption Behavior of 152+154Eu (III) on Synthesized Graphene Oxide","authors":"fatma elsweify, N. Mohamed, D. A. A. El-Monem, H. Ramadan, W. Hegazy","doi":"10.21608/jsrs.2020.129925","DOIUrl":"https://doi.org/10.21608/jsrs.2020.129925","url":null,"abstract":"Graphene oxide (GO) Samples are locally synthesized for use in sorption and radionuclides removal studies of Eu (III). The samples were characterized by FT-IR, X-ray diffraction (XRD) and electron scanning microscopy (SEM). These samples are used to study the adsorption of some inorganic acids HCl, HNO3, H2SO4 and H3PO4 as well as organic acetic, oxalic, citric, tartaric and EDTA acids from dilute solutions at low concentrations. The adsorption behavior of Eu (III) was studied under static conditions. Effects of: pH solution, contact time, particle size, concentration of metal ion and adsorption kinetics temperature are intensively studied in this study. Thermodynamic parameters such as Gibbs free energy changes (∆G◦), enthalpy (∆H◦) and entropy (∆S◦) are estimated. The adsorption, isotherms and kinetics process was analyzed using various models. In the case of Eu (III), adsorption is found to obey Langmuir isotherm stronger than Freundlich isotherm and the pseudo-second order kinetics mathematics the data for adsorption.","PeriodicalId":16981,"journal":{"name":"Journal of Scientific Research in Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83269519","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}
引用次数: 0
The Plasma Characterization of Argon and Helium Gases in Inertial Electrostatic Confinement Fusion Plasma Device 惯性静电约束聚变等离子体装置中氩气和氦气的等离子体特性
Journal of Scientific Research in Science Pub Date : 2020-02-01 DOI: 10.21608/jsrs.2020.221597
Hanem Elaraby, G. Elaragi, H. M. Abu-Zeid, S. Talaat, A. El-Hadary, W. Madcour
{"title":"The Plasma Characterization of Argon and Helium Gases in Inertial Electrostatic Confinement Fusion Plasma Device","authors":"Hanem Elaraby, G. Elaragi, H. M. Abu-Zeid, S. Talaat, A. El-Hadary, W. Madcour","doi":"10.21608/jsrs.2020.221597","DOIUrl":"https://doi.org/10.21608/jsrs.2020.221597","url":null,"abstract":"H.S.Elaraby, G.M.Elaragi, H.M.Abu-zeid, Sh.M.Talaat, A.M.A.El-hadary and W.E.Madcour 1 Plasma Physics and Nuclear Fusion Department, Egyptian Atomic Energy, Authority, Cairo, Egypt 2 Physics Department, Faculty of Women for Arts, Science, and Education, Ain Shams University, Cairo, Egypt 3 Biological Applications Department, Nuclear Research Center, Egyptian Atomic Energy Authority, Cairo, Egypt 4 Radiation Protection Department, Nuclear Research Center,Egyptian Atomic Energy Authority, Cairo, Egypt Abstract","PeriodicalId":16981,"journal":{"name":"Journal of Scientific Research in Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82384365","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}
引用次数: 0
Synthesis of polymer-surfactants by gamma irradiation for removal nickel ions from aqueous solution 辐照法合成聚合物表面活性剂去除水溶液中的镍离子
Journal of Scientific Research in Science Pub Date : 2020-02-01 DOI: 10.21608/jsrs.2020.96481
Mai M. Mamdouh, F. Abdel-salam, N. Maziad, O. Ali
{"title":"Synthesis of polymer-surfactants by gamma irradiation for removal nickel ions from aqueous solution","authors":"Mai M. Mamdouh, F. Abdel-salam, N. Maziad, O. Ali","doi":"10.21608/jsrs.2020.96481","DOIUrl":"https://doi.org/10.21608/jsrs.2020.96481","url":null,"abstract":"Two amphoteric surfactants chloride and N-(2-(carboxylatomethoxy)-3-(hexadecyloxypropyl)dimethyl glycinate were synthesized and characterized by different techniques. Then, two polymer surfactants were prepared from the reaction of acrylic acid and acrylamide with two amphoteric surfactants by gamma irradiation. The functional and bond structure of these polymer surfactant compounds were established by FT-IR. The critical micelle concentration (cmc) and surface tensions were measured and the values lie in the range 0.0005 -0.00141 mol L -1 . The swelling of the two polymer surfactants was studied. The swelling percentages of the two surfactants are 1790 and 1492 %, respectively. The copolymers hydrogel were used in removal of heavy metal from waste water. The factors affecting the removal of heavy metal as contact time, initial concentration of metal ion, and temperature were investigated. It was found that the percentage of removal of nickel ion increases with increasing the time and temperature.","PeriodicalId":16981,"journal":{"name":"Journal of Scientific Research in Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77699031","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}
引用次数: 0
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信