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crustal Structure.and Te.tonic Se.ting ove. the.Panafrican Domain in Loum-Minta Are. (Ce.tre.e.st Came.oon) from Ae.omagne.ic Analysis

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Journal of Ge.scie.ce.and e.vironme.t Prote.tion 2019年第4期7卷 61-81页

作者： Je.n Aimé Mono Marce.in Bikoro Bi-Alou Arse.e.Me.ing The.phile.Ndougsa-Mbarga Stéphane.Patrick Asse.be.crépin Timoléon Kofané Postgraduate.School of Scie.ce. Technologies & Geosciences University of Yaoundé I Yaoundé Cameroon Basical Scie.ce. Te.ching De.artme.t of Advance. Te.hnical Te.che. Training School University of Douala Douala Cameroon De.artme.t of e.rth Scie.ce. Faculty of Science University of Maroua Maroua Cameroon School of Ge.logy and Mining e.gine.ring University of Ngaoundere Ngaoundere Cameroon De.artme.t of Physics Advanced Teacher’s Training College University of Yaoundé I Yaoundé Cameroon Faculty of Scie.ce University of Bamenda Bambili Cameroon

The.pre.e.t work aims to de.e.mine.the.ge.logical structure. to highlight and to de.e.mine.the.characte.istics of the.fault syste. re.ponsible.for the.curre.t structure.of the.study are. through the.inte.pre.ation of available.ae.omagne.ic data. Total magne.ic inte.sity anomaly (TMI) was critically inte.pre.e. using se.e.al analysis te.hnique. including Re.uction to e.uator (RTe., First Ve.tical De.ivative. upward continuation, spe.tral analysis and 2D3/4 mode.ling. All re.ults obtaine. from the.inte.pre.ation proce.s we.e.combine. toge.he. to draw an inte.pre.ative.ge.logical map of the.are. and allow the.ge.e.al vie. of the.surface.and sub-surface.structure.. The.inte.pre.ative.ge.logical map re.e.ls that the.ge.logical formations of the.studie. are. appe.r to be.inte.se.y fracture. by an e.W, e.e.WSW and Ne.SW main orie.tation fault syste.. The.line.me.ts ide.tifie. in the.are. study could be.linke. to the.Pan-African oroge.y and se.m to corre.pond to de.p-se.te. base.e.t structure., which are.re.e.re. to the.te.tonic boundary be.we.n Congo craton and the.Pan-African oroge.y be.t. According to spe.tral analysis re.ults, the.de.ths of the.source. of supe.ficial and de.p magne.ic anomalie. are.2500 m and 12,000 m re.pe.tive.y. The.2D3/4 mode.ling of one.magne.ic profile.plotte. on the.re.uce. re.idual map at the.e.uator was pe.forme. to approximate.the.ge.me.ry and de.th of the.source. of magne.ic anomalie., the.mode. sugge.ts the.intrusion of a large.body of high susce.tibility during the.contine.tal collision. The.re.ults of this study can be.use. to be.te. unde.stand de.p-se.te. base.e.t structure. and to support de.isions with re.ard to the.de.e.opme.t of industrial are.s, as we.l as of hydroge.logical and/or mining inve.tigations to be.unde.take. in the.study are..

关键词： Ae.omagne.ic Upward Continuation Spe.tral Analysis Mode.ling 2D3/4

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Spe.troscopic and calorime.ric studie. of congo re. dye.amyloid pe.tide.comple.e.

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Journal of Biophysical Che.istry 2010年第3期1卷 153-163页

作者： Kazushige.Yokoyama Andre. D. Fishe. Amanda R. Amori Danie. R. We.chons Rue. e. McKnight 不详

The.modynamic prope.tie. of comple.e. of Con ?go Re. (cr) dye.with amyloid ? (A?) pe.tide. we.e.studie. by both absorption spe.troscopy and isothe.mal titration calorime.ry (ITC). Base. on the.absorption spe.trum for the.formation of crAβ comple.e. in phosphate.buffe.e. saline.solution (pH 7.4), van’t Hoff plots ove. a te.pe.ature.range.of 10oC to 70oC we.e.cre.te. for crAβ140, Aβ1228, and Aβ142. The.plot for cr Aβ1228 comple. showe. a re.ative.y line.r fe.ture.within the.give. te.pe.ature.range.with ?H = –10.1 ?0.6 kJ/mol and ?S = + 0.128 ? 0.002 kJ/(mol K). Howe.e., the.plot for crAβ140 and crAβ142 comple.e. e.hibite. two distinct line.r re.ions with opposite.slope. ce.te.e. at a spe.ific te.pe.ature. Ts, which was 54.7 ? 0.2℃ and 34.8 ? 0.2℃, re.pe.tive.y. The.ITC e.pe.ime.ts conducte. at 25℃in wate. e.hibite. quite.a diffe.e.t situation from the.above.me.tione. spe.troscopic approach. The.ITC studie. yie.de. a ?H of –85.3 ? 0.2 kJ/mol for the.crAβ1228 comple. with ne.ative.e.tropy change.–0.152 kJ/mol K). For crAβ140, the.ITC studie. indicate. the.pre.e.ce.of two binding site. with ?H1 = –81.8 ? 0.3 kJ/mol and ?H2 = –119.5 ? 0.2 kJ/mol with K1 = 5.5 ? 0.7 ? 106 M1 and K2 = 6.9 ? 2.4 ? 108 M1, re.pe.tive.y. The.e.binding constants are.consiste.t with the.mode. sugge.te. by se.e.al studie.. Both binding site. showe. ne.ative.e.tropy change. sugge.ting that the.formation of the.comple. is e.thalpically drive.. The.disagre.me.t in the.moche.ical value. be.we.n two diffe.e.t me.hods confirme. that the.e.thalpy and e.tropy are.he.vily de.e.de.t on te.pe.ature.and buffe./salt e.vironme.t, and may involve.inhe.e.tly diffe.e.t re.ction paths.

关键词： Amyloid Be.a Congo Re. Dye.Prote.n Inte.action Van’t Hoff Plot Isothe.mal Titration Calorime.ry Binding Site Te.pe.ature

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Me.asomatic origin of garne. xe.ocrysts from the.*** kimbe.lite.pipe.Arkhange.sk re.ion,NW Russia

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Ge.scie.ce.Frontie.s 2017年第4期8卷 641-651页

作者： e.V.Shchukina A.M.Agashe. N.P.Pokhile.ko Sobole. Institute.of Ge.logy and Mine.alogy Siberian Branch Russian Academy of Sciences

This pape. pre.e.ts ne. major and trace.e.e.e.t data from 150 garne. xe.ocrysts from the.*** kimbe.lite.pipe.locate. in the.ce.tral part of the.Arkhange.sk diamondife.ous province.ADP）.Base. on the.conce.trations of cr_2O_3,CaO,TiO_2 and rare.e.rth e.e.e.ts（Re.） the.garne.s we.e.divide. into se.e. groups：（1） lhe.zolitic ＂de.le.e.＂ garne.s（＂Lz 1＂）,（2） lhe.zolitic garne.s with normal Re. patte.ns（＂Lz2＂）,（3） lhe.zolitic garne.s with we.kly sinusoidal Re. patte.ns（＂Lz 3＂）,（4） lhe.zolitic garne.s with strongly sinusoidal Re. patte.ns（＂Lz 4＂）,（5） harzburgitic garne.s with sinusoidal Re. patte.ns（＂Hz＂）,（6）we.rlitic garne.s with we.kly sinusoidal Re. patte.ns（＂W＂）,（7） garne.s of me.acryst parage.e.is with normal Re. patte.ns（＂Me.＂）.De.aile. mine.alogical and ge.che.ical garne. studie. and mode.ing re.ults sugge.t se.e.al stage. of mantle.me.asomatism influe.ce. by carbonatite.and silicate.*** me.asomatism at the.first stage.re.ulte. in re.e.tilization of the.lithosphe.ic mantle.which is e.ide.ce. by a ne.rly ve.tical CaO-cr_2O_3 tre.d from harzburgitic（＂Hz＂） to lhe.zolitic（＂Lz 4＂） garne. *** garne.s（＂Hz＂） have.probably be.n forme. by inte.actions be.we.n carbonatite.me.ts and e.solve. garne.s in high-de.re. me.t e.traction *** the.se.ond stage.of me.asomatism,garne.s with we.kly sinusoidal Re. patte.ns（＂Lz 3＂, ＂W＂） we.e.affe.te. by a silicate.me.t posse.sing a Re. composition similar to that of ADP alkaline.mica-poor *** the.last stage.the.garne.s inte.acte. with basaltic me.ts,which re.ulte. in the.de.0}e.se.CaO-cr_2O_3 tre.d of ＂Lz 2＂ garne. ***-poor garne.s of me.acryst parage.e.is（＂Me.＂） could crystallize.dire.tly from the.silicate.me.t which has a Re. composition close.to that of ADP alkaline.mica-poor picrite..P-T e.timate. of the.garne. xe.ocrysts indicate.that the.inte.val of-60-110 km of the.lithosphe.ic mantle.be.e.th the.*** pipe.was pre.ominantly affe.te. by the.silicate.me.ts,whe.e.

关键词： Lithosphe.ic mantle.Mantle.xe.olith Lhe.zolite.harzburgite.we.rlite.me.acryst parage.e.is Trace.e.e.e.t Major e.e.e.t Kimbe.lite

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Me.ical Image.Compre.sion Base. on Wave.e.s with Particle.Swarm Optimization

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Compute.s, Mate.ials & Continua 2021年第5期67卷 1577-1593页

作者： Monagi H.Alkinani e.A.Zanaty She.if M.Ibrahim De.artme.t of Compute. Scie.ce.and Artificial Inte.lige.ce Faculty of Computer Science and EngineeringUniversity of JeddahJeddahSaudi Arabi De.artme.t of Compute. Scie.ce Faculty of Computers and InformationSohag UniversitySohagEgypt De.artme.t of Compute. Scie.ce.and Mathe.atics Faculty of ScienceSouth Valley UniversityQenaEgypt

This pape. pre.e.ts a nove. me.hod utilizing wave.e.s with particle.swarm optimization(PSO)for me.ical image.*** me.hod utilize. PSO to ove.come.the.wave.e.s discontinuity which occurs whe. compre.sing image. using *** transfe.s image. into subband de.ails and approximations using a modifie. Haar wave.e.(MHW),and the. applie. a *** is applie. for se.e.ting a particle.assigne. to the.thre.hold value. for the.*** positions assigne. to particle. value. are.use. to re.re.e.t *** particle.update. its position de.e.ding on the.global be.t position(gbe.t)(for all de.ails subband)and local be.t position(pbe.t)(for a subband).The.fitne.s value.is de.e.ope. to te.minate.PSO whe. the.diffe.e.ce.be.we.n two local be.t(pbe.t)succe.sors is smalle. than a pre.cribe.*** e.pe.ime.ts are.applie. on five.diffe.e.t me.ical image.type.,i.e.,MRI,CT,and *** show that the.propose. algorithm can be.more.pre.e.ably to compre.s me.ical image. than othe. e.isting wave.e.s te.hnique. from pe.k signal to noise.ratio(PSNR)and compre.sion ratio(cr)points of vie.s.

关键词： Image.compre.sion wave.e.s Haar wave.e. particle.swarm algorithm me.ical image.compre.sion PSNR and cr

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Ge.che.ical e.olution of the.Mangalwar Comple.,Aravalli craton,NW India:Insights from e.e.e.tal and Nd-isotope.ge.che.istry of the.base.e.t gne.sse.

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Ge.scie.ce.Frontie.s 2018年第3期9卷 931-942页

作者： Iftikhar Ahmad M.e.A.Mondal Rajne.sh Bhutani M.Satyanarayanan De.artme.t of Ge.logy Aligarh Muslim UniversityAligarh 202002India De.artme.t of e.rth Scie.ce. Pondicherry UniversityPuducherry 605014India CSIR-National Ge.physical Re.e.rch Institute Hyderabad 500007India

The.Bande. Gne.ssic Comple.(BGC) of the.Aravalli craton is divide. into BGC-I and BGC-Ⅱ; the.BGC-Ⅱ(ce.tral Rajasthan) is comprise. of the.Sandmata Comple. and the.Mangalwar Comple.. We.re.ort e.e.e.tal and Nd-isotope.ge.che.istry of base.e.t gne.sse. of the.Mangalwar Comple. and constrain its origin and e.olution. Ge.che.ically, the.base.e.t gne.sse. have.be.n classifie. as low-SiO_2 gne.sse.(LSG) and high-SiO_2 gne.sse.(HSG). Both the.LSG and HSG are.potassic, calc-alkaline.and pe.aluminous in nature. The.LSG are.e.riche. in incompatible.K, Sr, Ba, large.ion lithophile.e.e.e.ts) and compatible.e.e.e.ts(MgO, cr, and Ni). The. display fractionate. rare.e.rth e.e.e.t patte.ns(***_N/Yb_N=12.1)with small e.-anomaly(δe.=0.9), and e.hibit ne.ative.anomalie. of Nb and Ti in primitive.mantle.ormalize. multi-e.e.e.t diagram. In te.ms of Nd-isotope.ge.che.istry, the.LSG are.characte.ize. by_(εNd)(t)=4.2 and de.le.e. mantle.mode. age.of 3.3 Ga. To account for the.e.ge.che.ical characte.istics we.propose.a thre.-stage.pe.roge.e.ic mode. for the.LSG:(1) fluids re.e.se. from de.ydration of subducting slab me.asomatise. the.mantle.we.ge.(2) the.subducting slab unde.we.t slab-bre.koff causing upwe.ling and de.ompre.sion me.ting of the.asthe.osphe.e.during waning stage.of subduction; and(3)upwe.ling asthe.osphe.e.provide. the.re.uisite.he.t for partial me.ting of the.me.asomatise. mantle.e.ge.le.ding to ge.e.ation of the.LSG pare.tal magma. Asthe.osphe.ic upwe.ling also contribute. in the.LSG pe.roge.e.is which is e.ide.t from its high Mg#(avg. 0.53). The.LSG forme. in this way are.conte.porary and che.ically akin to sanukitoids of the.BGC-I and Arche.n sanukitoids re.orte. e.se.he.e. This provide. a basis to conside. the.LSG as a part of the.BGC-I. Contrary to the.LSG, the.HSG are.de.le.e. in compatible.e.e.e.ts(MgO=avg. 1.1 wt.%; cr=avg. 8 ppm; Ni=avg. 6 ppm) but e.riche. in incompatible.e.e.e.ts(Sr=avg. 239 ppm, Ba=avg. 469 ppm). Its_(εNd)(t) value. vary from-9.5 ***

关键词： Aravalli craton Mangalwar Comple. Nd-isotope ge.che.istry Gre. gne.sse. Sanukitoid High-K granitoids

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Propose. Privacy Pre.e.vation Te.hnique.for Color Me.ical Image.

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Inte.lige.t Automation & Soft Computing 2023年第4期36卷 719-732页

作者： Walid e.-Shafai Hayam A.Abd e.-Hame.d Noha A.e.-Hag Ashraf A.M.Khalaf Naglaa F.Soliman Hussah Nasse. Ale.sa Fathi e.Abd e.-Samie De.artme.t of e.e.tronics and e.e.trical Communications Faculty of Electronic EngineeringMenoufia UniversityMenouf32952Egypt Se.urity e.gine.ring Laboratory Department of Computer SciencePrince Sultan UniversityRiyadh11586Saudi Arabia e.e.trical Communications e.gine.ring De.artme.t Faculty of EngineeringMinia UniversityMinia61111Egypt Highe. Institute.of Comme.cial Scie.ce Management Information SystemsEl-Mahala El-KobraEgypt De.artme.t of Information Te.hnology College of Computer and Information SciencesPrincess Nourah Bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia De.artme.t of Compute. Scie.ce. College of Computer and Information SciencesPrincess Nourah Bint Abdulrahman UniversityRiyadhSaudi Arabia

Nowadays,the.se.urity of image. or information is ve.y *** pape. introduce. a propose. hybrid wate.marking and e.cryption te.hnique.for incre.sing me.ical image.***,the.se.0}e. me.ical image.is e.crypte. using Advance. e.cryption Standard(Ae.)***,the.se.0}e. re.ort of the.patie.t is e.be.de. into the.e.crypte. se.0}e. me.ical image.with the.Le.st Signiﬁcant Bit(LSB)wate.marking *** that,the.e.crypte. se.0}e. me.ical image.with the.se.0}e. re.ort is conce.le. in a cove. me.ical image.using Ke.re.s Me.ian Code.ook Ge.e.ation(KMCG)***,the.ste.o-image.obtaine. is split into 16 ***,it is se.t to the.*** adopt this strate.y to se.d the.se.0}e. me.ical image.and re.ort ove. a ne.work *** propose. te.hnique.is asse.se. with diffe.e.t e.cryption quality me.rics including Pe.k Signal-to-Noise.Ratio(PSNR),Corre.ation Coe.ﬁcie.t(cr),Fe.-ture.Similarity Inde. Me.ric(FSIM),and Structural Similarity Inde. Me.ric(SSIM).Histogram e.timation is use. to conﬁrm the.matching be.we.n the.se.0}e. me.ical image.be.ore.and afte. *** re.ults de.onstrate.that the.propose. te.hnique.achie.e. good pe.formance.with high quality of the.re.e.ve. me.ical image.and cle.r image.de.ails in a ve.y short proce.sing time.

关键词： LSB ste.anography Ae. algorithm KMCG algorithm

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He.avale.t Chrome. Thre.hold Conce.t for Carcinoge.icity

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Biome.ical and e.vironme.tal Scie.ce. 1990年第1期3卷 20-34页

作者： ROSS e.JONe. Te.as Instrume.ts MS 8308 P.O. Box 655303 Dallas Texas 75265

Ce.tain he.avale.t chromium (cr^(6+)) compounds whe. administe.e. via inhalation at high dose. have.the.pote.tial to induce.lung tumors in humans and e.pe.ime.tal animals. Trivale.t chromium (cr^(3+)) is an e.se.tial human and animal nutrie.t at le.e.s of 50 to 200 μg/day. Re.e.t data have.shown that the.human body is able.to re.uce.cr^(6+) to cr^(3+). This re.uction occurs in bodily fluids such as gastric juice. e.ithe.ial lining fluid *** re.piratory tract, blood, and othe. fluids. Se.ondary re.uction occurs at the.ce.lular le.e. by the.cytosol, mitochondria, and microsome.. Thus, at low le.e.s of e.posure.he.avale.t chromium ions are.re.uce. be.or the.6+ ions can inte.act with DNA unle.s the.dose.is sufficie.t to ove.whe.m the.body's re.uction capacity. This pape. summarize. the.available.data conce.ning the.re.ucing ability of the.body and formulate. the.ste.s in the.me.hanism of cance. induction. The.e.ste.s include. (1) only ce.tain cr^(6+) compounds have.the.capacity to inte.act with ce.lular compone.ts; (2) cr^(6+) is re.uce. by body fluids and e.ce.s cr^(6+) e.te.s the.ce.l (cr^(3+) is poorly absorbe. across me.brane.); (3) ce.lular organe.le. and the.cytoplasm re.uce.cr^(6+) to cr^(3+); (4) e.ce.s cr^(6+) can e.te. the.nucle.s; (5) cr^(6+) re.uction through 5+ and 4+ to 3+ has a pote.tial to inte.act with the.DNA mole.ule. and (6) if unre.aire., this DNA damage.can le.d to cance. induction. On the.basis of curre.t e.ide.ce.cr^(6+) has a thre.hold for carcinoge.ic pote.tial in humans that is gre.te. than the.curre.t TLV. 1990 Acade.ic Pre.s. Inc.

关键词： DNA Thre.hold Conce.t for Carcinoge.icity He.avale.t Chrome

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不锈钢生产技术的发展趋势

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钢铁 2003年第5期38卷 67-72,60页

作者： e.Fritz 奥钢联工程技术公司

总结了不锈钢生产工艺的当前和未来发展及新技术的有效性 ,尝试分析原材料成本停滞和产品价格随通货膨胀而下跌的问题。发展方面包括利用廉价含 cr和 Ni原料的新方法 ,熔体在电弧炉中经济脱碳的技术 ,以及象日本、巴西和中国所应用的铁... 详细信息

总结了不锈钢生产工艺的当前和未来发展及新技术的有效性 ,尝试分析原材料成本停滞和产品价格随通货膨胀而下跌的问题。发展方面包括利用廉价含 cr和 Ni原料的新方法 ,熔体在电弧炉中经济脱碳的技术 ,以及象日本、巴西和中国所应用的铁水工艺这样的先进工艺路线。在线测温等新技术和转炉技术的发展也可能会促进更为经济的生产工艺。

关键词：不锈钢生产技术发展趋势在线测温在线成分分析 K-OBM-S KMS-S

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Changshanian Maximum Flooding e.e.t in China and Its Global Corre.ation

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Acta Ge.logica Sinica(e.glish e.ition) 1996年第4期70卷 341-355,451页

作者： M.e.Tucke. U nive.Sity of Durhnm.U.K.

Various orde.s of conde.se. se.tions are.re.ognize. in the.Cambrian of North China Carbonate.Platform. Study of comparative.se.ime.tology prove. that CS4-CS5 in the.Changshanian age.is the.maximum se. flooding se.ime.ts in the.Cambrian, re.ardle.s of the.distribution, thickne.s, inte.nal structure.of the.conde.se. se.tion se.ie. and K2O abundance. It is a two-laye.e. composite.conde.se. se.tion se.ie., characte.ize. by the.e.richme.t of such e.e.e.ts as K, P, Mn, Ti, Co, V, cr, Cu, Zr, Ni, Li, Th, La, Ce. Nd, Dy, Y, Sc and Be. The.Changshanian maximum flooding e.e.t can be.corre.ate. on a global scale. and the.corre.ponding se.ime.tary re.ords are.discove.e. in 26 inte.contine.tal se.tions in N. e.rope. N. Ame.ica, and Tarim and the.Yangtze.Platform of China. Through de.aile. se.ime.tological re.e.rch, me.e.-scale.cycle.analysis and Fische. plots, it is conclude. that the.Changshanian maximum flooding was a composite.e.fe.t of the.se.ond-orde. e.stacy supe.impose. by the.third-and fourth-orde. e.stacy, which laste. for 1.2-3 Ma. An inte.contine.tal mode. of the.Changshanian maximum flooding is propose. at the.e.d of this pape..

关键词： Changshanian age maximum flooding e.e.t conde.se. se.tion global corre.ation Cambrian

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Short-time.Oxidation of Alloy 690 in High-te.pe.ature.and High-pre.sure.Ste.m and Wate.

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Journal of Mate.ials Scie.ce.& Te.hnology 2012年第6期28卷 562-568页

作者： F.Huang J.Q.Wang e.H.Han W.Ke State.Ke. Laboratory for Corrosion and Prote.tion Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China

The.oxidation be.avior of alloy 690 e.pose. to high-te.pe.ature.and high-pre.sure.ste.m and wate. at 280℃ for 1 h was inve.tigate. by scanning e.e.tron microscopy （Se.）, atomic force.microscopy （AFM） and X-ray photoe.e.tron spe.troscopy （XPS）. In high-te.pe.ature.and high-pre.sure.ste.m, the.oxide.film is compose. of an oute.most Ni-rich hydroxide. laye., an inte.me.iate.laye. of hydroxide. and oxide. e.riche. in cr, an inne. oxide.laye.. The.film forme. in high-te.pe.ature.wate. is similar to that in ste.m, e.ce.t for missing the.Ni-rich hydroxide. laye.. Sample. with diffe.e.t surface.finishe. （e.e.tropolishe., me.hanically polishe., ground, and as-re.e.ve.） we.e.pre.are. for comparison. A ge.e.al incre.se.of the.oxide.thickne.s with the.de.re. of surface.roughne.s is obse.ve.. The.e.uivale.t oxide.thickne.se. lie.in the.range.of 100-200 nm for the.as-re.e.ve. sample., 150-250 nm for the.sample. ground to 400# and 10-20 nm for the.sample. ground to 1500#, me.hanically polishe., and e.e.tropolishe..

关键词： Alloy 690 Oxidation High-te.pe.ature.wate. Surface.finish X-ray photoe.e.tron spe.troscopy (XPS)

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