检索结果-南通市图书馆

Estima.ion of Thyroid Hormones Levels &a.p;Lung Function in Conventiona. Ra.iothera.y of Brea.t, Hea. a.d Neck Ca.cer’s

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Journa. of Ra.iology 2019年第4期9卷 194-205页

作者： mohammed a. ali omer a.dulra.ma. a. S. a.sa.ya.i a.dulla. mohammed a.dokha.l Na.ra.deen a.na.em M. a.khidir Depa.tment of Ra.iologic Technology College of Applied Medical Science Qassim University Buraidah KSA College of Medica. Ra.iologic Sciences Sudan University of Science and Technology Khartoum Sudan

Consequences of brea.t, hea. a.d neck ca.cers (HNC) ra.iothera.y a.e common a.ong developing country pa.ients;hence the a.m of this work wa. to a.sess the impa.t of HNC (na.opha.yngea., la.yngea. a.d hypopha.yngea. a.d pa.otid) ra.iothera.y in thyroid a.d lungs functions. The da.a.(tumor dose, dose histogra.) ha. been retrieved from trea.ment pla.ning system (TPS) a.d the thyroid hormones (T3, T4 a.d TSH) level pre/post ra.iothera.y wa. mea.ured by ra.ioimmunoa.sa. (RIa. technique. a.es (18 - 55 for HNC a.d 20 - 65 for brea.t ca.cer) derived from Pa.S a.d respira.ory ra.e (RR) a.sessed by counting the number of brea.hing/minutes. The a.a.yzed da.a.using Excel showed tha.: the impa.t of HNC without pa.otid a.d supra.la.icula. irra.ia.ion wa. significa.t (P = 0.00) reduction on T3 & T4, a.d increa.ing TSH hormones rela.ive to a.plied tumor dose. The a.era.e doses (2.8, 30, 32, 33 a.d 20.5 Gy) received by thyroid gla.d from irra.ia.ion of pa.otid, la.ynx, brea.t, hypopha.ynx a.d na.opha.ynx respectively reduced T4/T3 hormones to 125.9/0.8, 109/0.6, 67.8/0.4, 33.9/0.3 a.d 105.8/0.7 respectively a.d increa.ed TSH to 4.5, 6.3, 8.1, 11.5 a.d 0.65 mU/l respectively. The RR increa.ed significa.tly (P = 0.05) from 19.1 ± 3.6 to 22.1 ± 3.4 in a.era.e due to ta.gentia. fields irra.ia.ion of brea.t. Conclusion a.dressing tha.: conventiona. ra.iothera.y for HNC & brea.t induce a.significa.t reduction in thyroid hormones a.d increment of RR.

关键词： Brea.t Hea. Neck Ra.iothera.y Thyroid Lungs

Integra.ed photonic fra.tiona. convolution a.celera.or

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Photonics Resea.ch 2024年第8期12卷 1828-1839页

作者： KEVIN ZELa.a.mohammed-ali MIRI Depa.tment of Physics Queens College of the City University of New YorkQueensNew York 11367USA Physics Progra. The Graduate Center of the City University of New YorkNew YorkNew York 10016USA

a. integra.ed photonic circuit a.chitecture to perform a.modified-convolution opera.ion ba.ed on the discrete fra.tiona. Fourier tra.sform(DFrFT) is introduced. This is a.complished by utilizing two nonuniformly coupled wa.eguide la.tices with equa.ly spa.ed eigenmode spectra. the lengths of which a.e chosen so tha. the DFrFT a.d its inverse opera.ions a.e a.hieved. a.progra.ma.le modula.or a.ra. is interla.ed so tha. the required fra.tiona. convolution opera.ion is performed. Numerica. simula.ions demonstra.e tha. the proposed a.chitecture ca. effectively perform smoothing a.d edge detection ta.ks even for noisy input signa.s, which is further verified by electroma.netic wa.e simula.ions. Nota.ly, mild la.tice defects do not jeopa.dize the a.chitecture performa.ce, showing its resilience to ma.ufa.turing errors.

关键词： fra.tiona. convolution utilizing

Studying of Common Fa.tors a.fecting Rea.ing of Lithium Fluoride Thermo-Luminescence Dosimeter Crysta.

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Open Journa. of Biophysics 2017年第1期7卷 14-24页

作者： mohammed a. ali omer a.dulra.ma. a. a.sa.ya.i Juma. Y. Ta.boul Rowida.B. ali a.ira.a. a.med a.med a.ukonna Depa.tment of Ra.iologic Technology College of Applied Medical Science Qassim University Buraidah KSA Depa.tment of Ra.iothera.y College of Medical Radiologic Science Sudan University of Science & Technology Khartoum Sudan Depa.tment of Dia.nostic Ra.iologic Technology College of Applied Medical Sciences Taibah University Medina KSA Depa.tment of Ra.ia.ion Sa.eties Sudan Atomic Energy Commission Khartoum Sudan

The a.m of this study wa. to study the technica. fa.tors a.fecting the rea.ing of TLD (LiF:Mg:Ti) for ra.ia.ion dosimetry. The method a.a.ted wa. a. exposure of LiF:Mg:Ti crysta. with?γ-ra. with the following filters (Hp 0.07 a.d Hp?10), before a.d a.ter usa.e of filter Hp?(0.07), a.nealing, cooling by nitrogen flux a.d crysta. morphology by sca.ning electron microscope. The collected da.a.a.a.yzed by EXCELL softwa.e showed tha.: TLD a.era.e count/second (C/s) with filter Hp?(10) wa. grea.er tha. tha. obta.ned with filter Hp?(0.07) with a. a.ount of 1191 c/s?(19%). a.so the a.a.ysis showed tha.: the a.era.e C/s without filter Hp?(0.07) wa. grea.er tha. tha. with filter by a. a.ount of 994.5 C/s (16.4%), a.d there wa. proportiona. linea. rela.ionship;a. the a.plied dose increa.ed the TLD C/s increa.ed significa.tly (R2?=?0.9) ba.ed on the equa.ions: y = 885.1x???286.5 a.d y = 860.5x?+ 856.8 for filtered a.d without filtered bea. respectively, where?x?refers to a.plied dose in mGy a.d?y?refers to C/s. a.so the a.era.e C/s without nitrogen flux (cooling) wa. grea.er tha. with nitrogen count with a. a.ount of 52.4 C/s (11%). The a.nealing (without filter) ca.ses a.reduction in dose by 82.2?μGy (19.2%), a.d in ca.e of a.nealing with filter, the dose reduced by 66.7?μGy (21.9%) rela.ive to a.nealing without filter. The morphology of TLD crysta. shown by sca.ning electron microscope SEM wa. a.da.kening surfa.e a.ter irra.ia.ion.

关键词： Ra.ia.ion Effects Dosimeter Fa.tors Thermoluminescence

The Impa.t of Obesity on the Left Ventricula. Ejection Fra.tion Using Echoca.diogra.hy

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Journa. of Medica. Ima.ing 2014年第4期4卷 172-177页

作者： Ba.a.edin a. Elkha.er a.sa.i a. a.dulla.mohammed a. ali omer Ma.a. a. Fa.iri Musta.a.Z. Ma.moud Ra.iothera.y a.d Nuclea. Medicine Depa.tment College of Medical Radiological Sciences Sudan University of Science and Technology Khartoum Sudan Depa.tment of Ra.iologic Technology College of Applied Medical Sciences Qassim University Buraidah KSA Ra.iology a.d Medica. Ima.ing Depa.tment College of Applied Medical Sciences Salman bin Abdulaziz University Al-Kharj KSA Ba.ic Sciences Depa.tment College of Medical Radiological Sciences Sudan University of Science and Technology Khartoum Sudan

Globa. left ventricle cha.ber function in obese pa.ients is a.sessed, most commonly, by mea.s of the ejection fra.tion. The preferred noninva.ive modality for eva.ua.ing regiona. wa.l motion a.d overa.l ventricula. performa.ce is usua.ly color-flow Doppler tra.sthora.ic echoca.diogra.hy. The a.m of this study wa. to eva.ua.e the rela.ionship of left ventricula. ejection fra.tion to body ma.s index (BMI) mea.ure of obesity in obese pa.ients by using echoca.diogra.hy. a.prospective cohort study wa. conducted in the period of July 2012 to September 2014 in the ultra.ound depa.tment of the Suda. Hea.t Center in Kha.toum-Suda., a.ong a.group of 250 obese pa.ticipa.ts of a.ute myoca.dia. infa.ction (a.I) (67.2% ma.es a.d 32.8% fema.es) a.d their a.es ra.ge from 22 to 86 yea.s;mea. a.e of 41 ± 1.2 yea.s. Echoca.diogra.hy studies were performed using MyLa. 50 XVision-Esa.te echoca.diogra.hy ma.hine equipped with 2.5 MHz pha.ed a.ra. probe. Sta.da.d Sta.istica. Pa.ka.e for the Socia. Sciences (SPSS) wa. used to a.a.yze the results. The mea. BMI wa. 28.6 ± 5.4 kg/m2. Significa.t rela.ionship is found between left ventricle ejection fra.tion a.d BMI (P a.useful sta.istica. tool to tra.k the body size trends in a.multicentric popula.ion in Suda.. Left ventricula. ejection fra.tion a.lows ventricula. function to be a.sessed without the need for further body size a.justment.

关键词： a.ute Myoca.dia. Infa.ction (a.I) Body Ma.s Index (BMI) Echoca.diogra.hy Ejection Fra.tion

Eva.ua.ion of Dia.etic Ra.s Beha.ior a.ter Trea.ment by <i>a.temisia.herba.a.ba.lt;/i>Rela.ive to Insulin

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journa. of Dia.etes Mellitus 2017年第1期7卷 1-11页

作者： Ya.ia.M. Busha.a.a.delha. mohammed ali mohammed a. ali omer John Gergis Gouda.Pa.l F. Seke Tet Moha.ed F. Moha.ed Depa.tment of a.a.omy Faculty of Medicine Al-Neelain University Khartoum Sudan Depa.tment of Ba.ic Hea.th Sciences & Ra.iologic Technology College of Applied Medical Science Qassim University Buraidah KSA Depa.tment of a.a.omy Faculty of Veterinary Medicine University of Khartoum Khartoum Sudan Depa.tment of a.a.omy College of Veterinary Medicine King Faisal University Hofuf KSA Depa.tment of Ra.ia.ion Thera.y College of Medical Radiologic Science Sudan University of Science & Technology Khartoum Sudan

The a.m of the study wa. to eva.ua.e the beha.iora. signs of dia.etic ra.s a.ter trea.ment by a.temisia.herba.a.ba.(a.a. a.d insulin. Method: Ba.ed on the induction of dia.etes in wista. ra.s by intra.eritonea. (I/P) injection of 60 mg/kg streptozotocin (STZ), then trea.ed by a.a.a. 20 mg (I/P) a.d insulin subcuta.eously (S/C). The sa.ples of ra.s were: 1) Dia.etic control, 2) Injected with insulin, 3) Injected with a.a. 4) Non dia.etic ra.s, which were fostered for 21 da.;then weighted a.d the beha.iora. tests were conducted. Results: The boa.d hole tests (BHT) showed tha.: the induced dia.etes reduced the cognition of the ra.s in view of La.ency of the First Hea. Dipping (LFHD) in seconds, number of hea. dipping (NHD) a.d dura.ion of hea. dipping (DHD) by 49.3%, while it’s improved in a.a.a.d insulin trea.ed ra.s by 52% a.d 69% in a.era.e respectively. The explora.ory a.tivity reduced in dia.etic ra.s by 36%, while a.a.a.d Insulin trea.ed ra.s increa.ed by 53% a.d 72% respectively. The rea.ing test showed a. increa.e of a.xiety a.ong dia.etic in form of dura.ion of rea.ing, number of rea.ing a.d time spend in center by 51.7% in a.era.e respectively, while the a.xiety reduced a.ter trea.ment by a.a.a.d insulin by 39% a.d 47.3% in a.era.e respectively. a.so the dia.etes increa.ed the depression sta.e by 106%, while the trea.ment by a.a.a.d insulin reduced the depression sta.e by 77% a.d 88% respectively. a.d VPT showed tha.: motor impa.rment occurred in dia.etic ca.es a.d improved a.ter a.a.a.d insulin trea.ment.

关键词： Dia.etes a.temisia Beha.iora. Herba. Trea.ment Insulin

MoBShield:a.Novel XML a.proa.h for Securing Mobile Ba.king

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Computers, Ma.eria.s & Continua 2024年第5期79卷 2123-2149页

作者： Sa.ed Sera. ali Sa.a. Sa.iq Ompra.a.hKa.wa.tya.Moha.ma. a.ja.di a.exa.dros Konios mohammed ali mohammed a.a.eed Depa.tment of Computer Science Nottingham Trent UniversityClifton LaneNottinghamNG118NSUK Depa.tment of Computer Science Faculty of Information TechnologyZarqa UniversityZarqa13110Jordan Depa.tment of Computer Science King Khalid UniversityAbha61421Saudi Arabia

Mobile ba.king security ha. witnessed significa.t R&D a.tention from both fina.cia. institutions a.d *** is due to the growing number of mobile ba.ing a.plica.ions a.d their rea.ha.ility a.d usefulness to ***,these a.plica.ions a.e a.so a.tra.tive prey for cybercrimina.s,who use a.va.iety of ma.wa.e to stea. persona. ba.king *** litera.ure in mobile ba.king security requiresma.y permissions tha. a.e not necessa.y for the a.plica.ion’s intended security *** this context,this pa.er presents a.novel efficient permission identifica.ion a.proa.h for securing mobile ba.king(MoBShield)to detect a.d prevent ma.wa.e.a.permission-ba.ed da.a.et is genera.ed for mobile ba.king ma.wa.e detection tha. consists la.ge number of malicious a.wa.e a.ps a.d benign a.ps to use a. tra.ning *** da.a.et is genera.ed from 1650 malicious ba.king a.ps of the Ca.a.ia. Institute of Cybersecurity,University of New Brunswick a.d benign a.ps from Google Pla..a.ma.hine lea.ning a.gorithm is used to determine whether a.obile ba.king a.plica.ion ismalicious ba.ed on its permission ***,a. eXpla.na.le ma.hine lea.ning(XML)a.proa.h is developed to improve trust by expla.ning the rea.oning behind the a.gorithm’s *** eva.ua.ion tests tha. the a.proa.h ca. effectively a.d pra.tica.ly identify mobile ba.king ma.wa.e with high precision a.d reduced fa.se ***,the a.a.ted a.tificia. neura. networks(a.N),convolutiona. neura. networks(CNN)a.d XML a.proa.hes a.hieve a.higher a.cura.y of 99.7%a.d the a.a.ted deep neura. networks(DNN)a.proa.h a.hieves 99.6%a.cura.y in compa.ison with the sta.e-of-the-a.t *** promising results position the proposed a.proa.h a. a.potentia. tool for rea.-world scena.ios,offering a.robustmea.s of identifying a.d thwa.ting ma.wa.e inmobile-ba.ed ba.king ***,MoBShield ha. the potentia. to significa.tly enha.ce the security a.d trustworthiness of

关键词： Security ma.wa.e detection deep lea.ning convolutiona. neura. networks deep neura. networks

Development a.d a.sessment of Quality Control Pha.tom for Linea.ity a.d Uniformity

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Journa. of Ra.iology 2015年第2期5卷 59-65页

作者： Moha.ed E. M. Ga.-Elna.i Wa.a. M. ali mohammed a. ali omer a.a. K. Sa. Gha.a.a. Eda. College of Medica. Ra.iologic Science Sudan University of Science and Technology Khartoum Sudan College of Ra.iologica. Science a.d Nuclea. Medicine Technology The National Ribat University Khartoum Sudan College of a.plied Medica. Science Department of Radiology Qassim University Buraidah Saudi Arabia

a.stra.t: The a.m of this study wa. to develop a.chea., loca.ly ma.e a.d friendly a.plica.le pha.tom for ga.ma.ca.era.quality control a.d to test its validity rela.ive to sta.da.d results (intrinsic a.d extrinsic spa.ia. linea.ity a.d intrinsic a.d extrinsic uniformity) of ga.ma.ca.era.SPECT. a.d the significa.ce of this experimenta. study wa. to introduce a.multi-purpose pha.tom for ga.ma.ca.era.which could overcome the risk a.compa.ied by quality control test procedure such a. detector crysta. da.a.e a.d the a.pea.a.ce of moiré pa.terns. The results of the developed pha.tom showed a. a.era.e count difference of 0.7% rela.ive to the sta.da.d pha.tom a.d a.out 4% in X- to Y-a.is directions rela.ive to the sta.da.d pha.tom. a.so, the mea.ured a.solute linea.ity wa. 0.63 mm in X direction a.d 0.64 mm in Y direction for the UFOV compa.e with 0.70 mm va.ue of a.cepta.ce test. a.d the I.U. a.d D.U. of the developed pha.tom were 3.18% a.d 2.27% respectively for the UFOV rela.ive to the sta.da.d pha.tom I.U. a.d D.U. (2.0% a.d 1.5%) for the UFOV respectively.

关键词： Ga.ma Ca.era Pha.tom Flood-Field Uniformity Linea.ity Quality Control

Eleva.ing Ima.e Stega.ogra.hy:a.Fusion of MSB Ma.ching a.d LSB Substitution for Enha.ced Concea.ment Ca.a.ilities

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Computers, Ma.eria.s & Continua 2024年第5期79卷 2923-2943页

作者： Muha.ma. Za.a. ali omer Ria. Ha.iz Muha.ma. Ha.na.n Wa.a. Sha.if Tenvir ali Gyu Sa.g Choi Depa.tment of Informa.ion Technology The Islamia University of BahawalpurBahawalpur63100Pakistan Depa.tment of Computer Science The Islamia University of BahawalpurBahawalpur63100Pakistan School of Computer Science a.d Engineering Yeungnam UniversityGyeongbuk38541Korea

In toda.’s ra.idly evolving la.dsca.e of communica.ion technologies,ensuring the secure delivery of sensitive da.a.ha. become a. essentia. *** overcome these difficulties,different stega.ogra.hy a.d da.a.encryption methods ha.e been proposed by resea.chers to secure *** of the proposed stega.ogra.hy techniques a.hieve higher embedding ca.a.ities without compromising visua. imperceptibility using LSB *** this work,we ha.e a. a.proa.h tha. utilizes a.combina.ionofMost Significa.tBit(MSB)ma.ching a.dLea.t Significa.t Bit(LSB)*** proposed a.gorithm divides confidentia. messa.es into pa.rs of bits a.d connects them with the MSBs of individua. pixels using pa.r ma.ching,ena.ling the stora.e of 6 bits in one pixel by modifying a.ma.imum of three *** proposed technique is eva.ua.ed using embedding ca.a.ity a.d Pea. Signa.-to-Noise Ra.io(PSNR)score,we compa.ed our work with the Za.a.iya.scheme the results showed a.significa.t increa.e in da.a.concea.ment *** a.hieved results of ourwork showtha. our a.gorithmdemonstra.es a. improvement in hiding ca.a.ity from11%to 22%for different da.a.sa.ples while ma.nta.ning a.minimumPea. Signa.-to-Noise Ra.io(PSNR)of 37 *** findings highlight the effectiveness a.d trustworthiness of the proposed a.gorithm in securing the communica.ion process a.d ma.nta.ning visua. integrity.

关键词： Stega.ogra.hy most significa.t bit(MSB) lea.t significa.t bit(LSB) pea. signa.-to-noise ra.io(PSNR)

Multi-Detector Row Computed Tomogra.hy Urogra.hy (MDCTU) in the Eva.ua.ion of Microscopic Hema.uria.in a.ults

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Journa. of Ra.iology 2015年第1期5卷 20-27页

作者： Moha.ed a. Ma.moud Musta.a.Z. Ma.moud mohammed a. ali omer Moha.ed E. M. Ga.a.na.i a.med a.ukonna.Ma.a. a. Fa.iri Ba.ic Sciences Depa.tment College of Medical Radiological Sciences Sudan University of Science and Technology Khartoum Sudan Ra.iology a.d Medica. Ima.ing Depa.tment College of Applied Medical Sciences Salman Bin Abdulaziz University Al-Kharj Kingdom of Saudi Arabia Depa.tment of Ra.iologic Technology College of Applied Medical Sciences Qassim University Al-Qassim Kingdom of Saudi Arabia Ra.iothera.y a.d Nuclea. Medicine Depa.tment College of Medical Radiological Sciences Sudan University of Science and Technology Khartoum Sudan

Multi-detector row computed tomogra.hy urogra.hy (MDCTU) becomes the ima.ing modality of choice for eva.ua.ion of the kidneys a.d urina.y tra.t. The a.m of this study wa. to discuss a.d illustra.e the role of MDCTU, on a.32-row CT sca.ner in the eva.ua.ion a.va.iety of entities tha. were frequently a.socia.ed with microscopic hema.uria.in a.ults. This prospective cohort study wa. performed in the period of a.gust 2013 to October 2014. Fifty positive pa.ticipa.ts to microscopic hema.uria.were exa.ined a. the ra.iology depa.tment of a.nilin Dia.nostic Medica. Center a.d a.ta.ya.Medica. Center. Computed tomogra.hy urogra.hy (CTU) sca.ning wa. performed using two powerful performa.ces, high speed multi-detector row on 32-row CT sca.ners (Siemens Hea.thca.e Globa., Soma.om Emotion Duo Eco). Sta.istica. a.a.ysis wa. done through the sta.da.d Sta.istica. Pa.ka.e for the Socia. Sciences (SPSS Inc., Chica.o, IL, USa. version 15 for windows. MDCTU esta.lished the correct ca.se of microscopic hema.uria.in (44;88%) of pa.ticipa.ts. In (6;12%) of pa.ticipa.ts, no ca.se of hema.uria.wa. identified ba.ed on the sta.da.d of references. The ca.ses of hema.uria.in (41;82%) pa.ticipa.ts were disea.es in the upper urina.y tra.t, while urina.y bla.der neopla.ms (2;4%) a.d diverticulum (1;2%) were the ca.ses of hema.uria.(3;6%) in the lower urina.y tra.t. Thirty two-row MDCTU sca.ner demonstra.ed sa.isfa.tory results in the investiga.ion of microscopic hema.uria. being a.le to demonstra.e a.wide spectrum of disea.es a.fecting the urina.y tra.t is the ma.n a.va.ta.e of the technique.

关键词： Hema.uria Ima.ing Three-Dimensiona. Multi-Detector Computed Tomogra.hy Urologic Disea.es