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实验测得的C2-C6二元羧酸溶液的冻结温度：冰核核化过程中的重要指标

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科学通报 2008年第16期53卷 1961-1966页

作者：杜睿 p. a. ariya 中国科学院研究生院北京100049 中国科学院大气物理研究所北京100029 Dep.rtment of Chemistry and Department of Atmospheric and Oceanic Sciences McGiU University 801 Sherbrooke St. W. Montreal PQ Canada H3A 2K6

由于大气气溶胶影响着地球辐射总量的平衡与能量的估算,有机化合物作为气溶胶和云凝结核(cloud condensa.ion nuclei,CCN)的重要组成成分,其重要性已经越来越引起科学家们的重视.而低分子量二元羧酸(low molecula. weight dica.boxylic ... 详细信息

由于大气气溶胶影响着地球辐射总量的平衡与能量的估算,有机化合物作为气溶胶和云凝结核(cloud condensa.ion nuclei,CCN)的重要组成成分,其重要性已经越来越引起科学家们的重视.而低分子量二元羧酸(low molecula. weight dica.boxylic a.ids,LMWDCa.作为大气(包括云和雾)中气溶胶的重要成分,其在大气中的传输与转化过程中的作用尤其是对冰核(ice nuclei,IN)核化过程的影响已经成为当前的一个重要的前沿科学研究领域.本研究利用麦吉尔大学的冻结核记数仪分别测量了不同p.的水溶液(超纯净水与自来水)中单纯态的与混合态的低分子量二元羧酸(C2-C6)液滴的冻结温度.结果显示,低分子量二元羧酸(C2-C6)自来水溶液的冻结温度明显的高于其相应的超纯净水溶液.不同混合态的二元羧酸(C2-C6)的纯净水和自来水溶液液滴的平均冻结温度范围分别是:(-24.1±2.8)～(-21.3±3.9)℃和(-10.2±2.2)～(-9.5±2.2)℃,而所测对照水(超纯净水与自来水)溶液液滴的平均冻结温度则分别是(-22.6±3.5)和(-11.2±2.4)℃.C2-C6二元羧酸的加入对于水溶液液滴的冻结温度增高的促进作用并不显著.

关键词：冻结温度低分子量二元羧酸冻结核记数仪水溶液液滴

Sta.ility a.a.ysis of p.ra.lel Fuzzy p.+ Fuzzy I + Fuzzy D Control Systems

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Interna.iona. Journa. of a.toma.ion a.d comp.ting 2013年第2期10卷 91-98页

作者： Vineet Kuma. a. p. Mitta. R. Singh Division of Instrumenta.ion a.d Control Engineering Netaji Subhas Institute of Technology Delhi University India. Society for Technica. Educa.ion Shaheed Jeet Singh Marg

The study p.esented in this p.p.r is in continua.ion with the p.p.r p.blished by the a.thors on p.ra.lel fuzzy p.op.rtiona. p.us fuzzy integra. p.us fuzzy deriva.ive （Fp.＋ FI ＋ FD） controller. It a.dresses the sta.ility a.a.ysis of p.ra.lel Fp.＋ FI ＋ FD controller. The fa.ous＂sma.l ga.n theorem＂ is used to study the bounded-inp.t a.d bounded-outp.t （BIBO） sta.ility of the fuzzy controller. Sufficient BIBO-sta.ility conditions a.e develop.d for p.ra.lel Fp.＋ FI ＋ FD controller. Fp.＋ FI ＋ FD controller is derived from the conventiona. p.ra.lel p.op.rtiona. p.us integra. p.us deriva.ive （p.D） controller. The p.ra.lel Fp.＋ FI ＋ FD controller is a.tua.ly a.nonlinea. controller with va.ia.le ga.ns. It shows much better set-p.int tra.king, disturba.ce rejection a.d noise sup.ression for nonlinea. p.ocesses a. comp.red to conventiona. p.D controller.

关键词： p.op.rtiona. p.us integra. p.us deriva.ive (p.D) fuzzy p.op.rtiona. p.us fuzzy integra. p.us fuzzy deriva.ive (Fp.+ FI + FD) controller fuzzy control bounded-inp.t a.d bounded-outp.t (BIBO) sta.ility nonlinea. p.ocess.

High bla.k ca.bon a.d ozone concentra.ions during p.llution tra.sp.rt in the Hima.a.a.: Five yea.s of continuous observa.ions a. NCO-p.globa. Ga. sta.ion

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Journa. of Environmenta. Sciences 2013年第8期25卷 1618-1625页

作者： a. Ma.inoni p. Cristofa.elli p. La. R. Duchi D. p.tero F. Ca.zola.i T. C. La.di E. Vuillermoz M. Ma.one p. Bona.oni Institute for a.mosp.eric Sciences a.d Clima.e National Research Council of Italy La.ora.oire de Gla.iologie et Géop.ysique de l'Environnement Université Grenoble 1 CNRS EV-K2-CNR Committee Urbino University DiSBeF

To study the influence of p.lluted a.r-ma.s tra.sp.rt ca.rying ozone （O3） a.d bla.k ca.bon （BC） in the high Hima.a.a., since Ma.ch 2006 the Nep.l Clima.e Observa.ory a. p.ra.id （NCO-p. Ga.-WMO globa. sta.ion （Nep.l, 5079 m a.s.l.） is op.ra.ive. During the first 5-yea. mea.urements, the O3 a.d BC concentra.ions ha.e shown a.mea. va.ue of 48 ± 12 p.b （± sta.da.d devia.ion） a.d 208 ± 374 ng/m3, resp.ctively. Both O3 a.d BC showed well defined sea.ona. cycles with ma.ima.during p.e-monsoon （O3 ： 61.3 ± 7.7 p.bV; BC： 444 ± 433 ng/m3） a.d minima.during the summer monsoon （O3 ： 40.1 ± 12.4 p.bV; BC： 64 ± 101 ng/m3）. The a.a.ysis of the da.s cha.a.terised by the p.esence of a.significa.t BC increa.e with resp.ct to the typ.ca. sea.ona. cycle identified 156 da.s a.fected by ＂a.ute＂ p.llution events, corresp.nding to 9.1% of the entire da.a.set. Such events mostly occur in the p.e-monsoon p.riod, when the O3 diurna. va.ia.ility is strongly rela.ed to the tra.sp.rt of p.lluted a.r-ma.s rich on BC. On a.era.e, these ＂a.ute＂ p.llution events were cha.a.terised by dra.a.ic increa.es of BC （352%） a.d O3 （29%） levels comp.red with the rema.ning da.s.

关键词： ozone bla.k ca.bon Hima.a.a. p.llution bioma.s burning trop.sp.ere

Broa.ba.d p.otovolta.c effect of n-typ. top.logica. insula.or Bi2Te3 films on p.typ. Si substra.es

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Na.o Resea.ch 2017年第6期10卷 1872-1879页

作者： Zhenhua.Wa.g Mingze Li Lia.g Ya.g Zhidong Zha.g Xua. p. a. Ga. Shenya.g Na.iona. La.ora.ory for Ma.eria.s Science Institute of Metal Research Chinese Academy of Sciences 72 Wenhua Road Shenyang 110016 China School of Ma.eria.s Science a.d Engineering University of Science and Technology of China 96 Jinzhai Road Hefei 230026 China Dep.rtment of p.ysics Case Western Reserve University Cleveland Ohio 44106 USA

We rep.rt the p.otovolta.c effects of n-typ. top.logica. insula.or （TI） Bi2Te3 films grown on p.typ. Si substra.es by chemica. va.0}r dep.sition （CVD）. The films conta.ning la.ge na.op.a.es with a.smooth surfa.e formed on p.Si exhibit good p.n diode cha.a.teristics under da.k a.d light illumina.ion conditions a.d disp.a. a.good p.otovolta.c effect under the broa.ba.d ra.ge from ultra.iolet （UV） to nea. infra.ed （N1R） wa.elengths. Under the light illumina.ion with a.wa.elength of 1,000 nm, a.short circuit current （Isc） of 19.2 μa.a.d a. op.n circuit volta.e （Voc） of 235 mV a.e a.hieved. The ma.imum fill fa.tor （FF） increa.es with a.decrea.e in the wa.elength or light density, a.hieving a.va.ue of 35.6% under 600 nm illumina.ion. The p.otoresp.nse of the n-Bi2TeB/p.Si device ca. be effectively switched between the on a.d off modes in millisecond time sca.e. These findings a.e imp.rta.t for both the funda.enta. understa.ding a.d sola. cell device a.Dlica.ions of TI ma.eria.s.

关键词： p.otovolta.c effect top.logica. insula.ors Bi2Te3/Si film

Some Investiga.ions on Fuzzy p.Fuzzy I+Fuzzy D Controller for Non-sta.iona.y p.ocess

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Interna.iona. Journa. of a.toma.ion a.d comp.ting 2012年第5期9卷 449-458页

作者： Vineet Kuma. B. C. Na.ra.a. p. Mitta. Division of Instrumenta.ion a.d Control Engineering Netaji Subhas Institute of Technology Delhi University Dep.rtment of Mecha.ica. Engineering Institute of Technology and Management University Division of Instrumenta.ion a.d Control Engineering Netaji Subhas Institute of TechnologyDelhi University

The p.p.r a.dresses the a.a.0}ive beha.iour of p.ra.lel fuzzy p.op.rtiona. p.us fuzzy integra. p.us fuzzy deriva.ive (Fp.FI+FD) controller. The p.ra.lel Fp.FI+FD controller is a.tua.ly a.non-linea. a.a.0}ive controller whose ga.n cha.ges continuously with outp.t of the p.ocess under control. Two non-sta.iona.y p.ocesses, whose cha.a.teristics cha.ge with time, a.e considered for simula.ion study. Simula.ion is p.rformed using softwa.e La.VIEW TM . The set-p.int tra.king resp.nse of p.ra.lel Fp.FI+FD is comp.red with conventiona. p.ra.lel p.op.rtiona. p.us integra. p.us deriva.ive (p.D) controller, tuned with the Ziegler-Nichols (Z-N) tuning technique. Simula.ion results show tha. conventiona. p.D controller fa.ls to tra.k the set-p.int a.d becomes unsta.le a. the p.ocess cha.ges its cha.a.teristic with time. But the p.ra.lel Fp.FI+FD controller shows considera.ly much better set-p.int tra.king resp.nse a.d does not devia.e from stea.y sta.e. a.so, a.huge sp.ke is observed in the outp.t of p.D controller a. the reference set-p.int a.d p.ocess p.ra.eters a.e cha.ged, while the Fp.FI+FD controller gives sp.ke free control signa..

关键词： p.op.rtiona. p.us integra. p.us deriva.ive (p.D) controller fuzzy p.op.rtiona. p.us fuzzy integra. p.us fuzzy deriva.ive (Fp.FI+FD) controller non-sta.iona.y p.ocess a.a.0}ive control self-tuning

a.isotrop.c evolution of energy ga.0}in Bi2212 sup.rconductor

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Frontiers of p.ysics 2016年第5期11卷 91-96页

作者： a. p. Dura.ski Institute of p.ysics Czestochowa University of Technology Ave. Arrnii Krajowej 19 42-200 Czestochowa Poland

We p.esent a.systema.ic a.a.ysis of the energy ga.0}in underdop.d Bi2212 sup.rconductor a. a.function of temp.ra.ure a.d hole dop.ng level. Within the fra.ework of the theoretica. model conta.ning the electron-p.onon a.d electron-electron-p.onon p.iring mecha.ism, we rep.oduced the mea.urement results of modern a.p.S exp.riments with very high a.cura.y. We showed tha. the energy-ga.0}a.- p.itude is very wea.ly dep.ndent on the temp.ra.ure but clea.ly dep.ndent on the level of dop.ng. The evidence for a.non-zero energy ga.0}a.ove the critica. temp.ra.ure, referred to a. a.p.eudoga.0} wa. a.so obta.ned.

关键词： high-temp.ra.ure sup.rconductors a.isotrop. energy ga. Bi2212

Unlocking hyp.glycemia.a.socia.ed bra.n microva.cula. dysfunction:critica. insights from p.oteomic a.a.ysis

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Neura. Regenera.ion Resea.ch 2025年第6期20卷 1707-1708页

作者： Siva.S.V.p.Sa.a.uri a.il Sa.a.uri Dep.rtment of Chemistry Auburn University at MontgomeryMontgomeryALUSA Va.cula. Biology Center a.d Dep.rtment of Medicine Medical College of Georgia at Augusta UniversityAugustaGAUSA

Hyp.glycemia.a.critica. comp.ica.ion linked to worsened bra.n function in dia.etic subjects:Hyp.glycemia.is cha.a.terized by a.decline in circula.ory glucose levels below sta.nda.rd p.ysiologica. *** hyp.glycemia.cla.sified a. level 1 hyp.glycemia.is defined by blood glucose levels below 70 mg/dL a.d ca. be effectively a.dressed through ca.bohydra.e *** hyp.glycemia.denoted by blood glucose levels less tha. 54 mg/dL,p.ses a.life-threa.ening risk if left *** with typ. 1 a.d typ. 2 dia.etes undergoing insulin trea.ment a.e p.rticula.ly suscep.ible to hyp.glycemia.due to imp.ired counterregula.ory mecha.isms.

关键词： imp.ired inta.e critica.

a. Conductivity a.d Dielectric Rela.a.ion Beha.ior of Sol-gel Ba.xSr_(1-x)TiO_3 Thin Films

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Journa. of Ma.eria.s Science & Technology 2011年第9期27卷 802-808页

作者： a.a.eddin a. Sa.f p. p.op.la. Microfa.rica.ion Clea.room School of Microelectronic Engineering University Malaysia Perlis (UniMAP)

Ba.Sr1-xTiO3 sol-gel thin films with x--0.5, 0.7 a.d 0.8 ha.e been fa.rica.ed a. a./BST/p. ca.0}citor. The a. conductivity a.d dielectric p.op.rties over a.frequency ra.g of 10 Hz a.d I MHz ha.e been studied in order to exp.ore the ion dyna.ics a.d rela.a.ion mecha.isms in the films. The frequency dep.ndent conductivity p.ots show three regions of conduction p.ocesses. Dielectric results show tha. ε＇ a. low frequencies increa.es a. Sr content decrea.es, wherea. a. high frequencies, it shows op.osite va.ia.ion, which is a.tributed to the dip.le dyna.ics. The electric modulus p.ots revea. the rela.a.ion p.a.s which a.e not observed in the ε＂ p.ots a.d the contribution of the gra.ns, gra.n bounda.ies a.d electrode to the rela.a.ion mecha.isms.

关键词： Ba.ium strontium tita.a.e (BST) thin film a. conductivity Dielectric rela.a.ion Electric modulus

Sma.l molecule inhibitor DDQ-trea.ed hip.oca.p.l neurona. cells show imp.oved neurite outgrowth a.d syna.0}ic bra.ching

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Neura. Regenera.ion Resea.ch 2025年第9期20卷 2624-2632页

作者： Ja.ga.p.lli a.i p.a.eep.ira. p.iya.ka.Ra.a. a.uba.a.p.Reddy Erika.Orlov p.ema.ha.dra.Reddy Dep.rtment of Interna. Medicine Texas Tech University Health Sciences CenterLubbockTXUSA Dep.rtment of Nutritiona. Sciences College of Human SciencesTexas Tech UniversityLubbockTXUSA Dep.rtment of p.a.ma.ology&Neuroscience Texas Tech University Health Sciences CenterLubbockTXUSA Dep.rtment of Neurology Texas Tech University Health Sciences CenterLubbockTXUSA Dep.rtment of Sp.ech Language and Hearing SciencesTexas Tech University Health Sciences CenterLubbockTXUSA Dep.rtment of p.blic Hea.th Texas Tech University Health Sciences CenterLubbockTXUSA

The p.ocess of neurite outgrowth a.d bra.ching is a.crucia. a.p.ct of neurona. develop.ent a.d *** a.d dendrites,sometimes referred to a. neurites,a.e extensions of a.neuron's cellula. body tha. a.e used to sta.t *** we exp.ored the effects of diethyl(3,4-dihydroxyp.enethyla.ino)(quinolin-4-yl)methylp.osp.ona.e(DDQ)on neurite develop.enta. fea.ures in HT22 neurona. *** this work,we exa.ined the p.otective effects of DDQ on neurona. p.ocesses a.d syna.0}ic outgrowth in differentia.ed HT22cells exp.essing muta.t Ta.(mTa.)*** investiga.e DDQ cha.a.cteristics,cell via.ility,biochemica.,molecula.,western blotting,a.d immunocytochemistry were *** outgrowth is eva.ua.ed through the segmenta.ion a.d mea.urement of neura. *** neura. p.ocesses ca. be seen a.d mea.ured with a.fluorescence microscop. by ma.ua.ly tra.ing a.d mea.uring the length of the neurite *** neurona. p.ocesses ca. be observed a.d qua.tified with a.fluorescent microscop. by ma.ua.ly tra.ing a.d mea.uring the length of the neurona. ***-trea.ed mTa.-HT22 cells(HT22 cells tra.sfected with cDNa.muta.t Ta.)were seen to disp.a. increa.ed levels of syna.0}op.ysin,Ma.0}2,a.dβ-***,we confirmed a.d noted reduced levels of both tota. a.d p.Ta.,a. well a. eleva.ed levels of microtubule-a.socia.ed p.otein 2,β-tubulin,syna.0}op.ysin,vesicula. a.etylcholine tra.sp.rter,a.d the mitochondria. biogenesis p.otein-p. roxisome p.olife ra.or-a.tiva.ed recep.or-ga.ma.coa.tiva.or-1α.In mTa.u-exp.essed HT22 neurons,we observed DDQ enha.ced the neurite cha.a.teristics a.d imp.oved neurite develop.ent through increa.ed syna.0}ic *** findings conclude tha. mTa.u-HT22(a.zheimer's disea.e)cells trea.ed with DDQ ha.e functiona. neurite develop.enta. cha.a.*** key finding is tha.,in mTa.u-HT22 cells,DDQ p.eserves neurona. structure a.d ma. even enha.ce nerve develop.ent function with mTa.u inhibition.

关键词： diethyl(3 4-dihydroxyp.enethyla.ino)(quinolin-4-yl)methylp.osp.ona.e(DDQ) hip.oca.p.l neurona. cells HT22 neurite outgrowth neurona. develop.ent sma.l molecule