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La.ch growth a.ross therma. a.d moisture gra.ients in the Siberia. Mounta.ns

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Journa. of Mounta.n Science 2023年第1期20卷 101-114页

作者： KHa.UK Via.hesla. I. petrov il'ya a. GOLYUKOV a.exey S. DVINSKa.2} Ma.ia.L. IM Sergei T. SHUSHPa.OV a.exa.der S. Suka.hev Institute of Forest Federal Scientific CenterRussian Academy of ScienceSiberian BranchAcademgorodok 50/28Krasnoyarsk660036Russia Siberia. Federa. University Svobodny str.79Krasnoyarsk660041Russia Reshetnev Siberia. Sta.e University of Science a.d Technology Krasnoyarsky rabochy str.31Krasnoyarsk660014Russia Tomsk Sta.e University Lenina str.36Tomsk634050Russia

Clima.e-driven cha.ges in the therma. a.d moisture regimes ma. va.iously influence different tree species growth a.d *** hypothesize tha. drought resista.t Siberia. la.ch(La.ix sibirica.Ledeb.)a.d precipita.ion-sensitive Siberia. pine(Pinus sibirica.Du Tour)responded differently to clima.e cha.ge a.ong the eleva.iona. therma. a.d precipita.ion *** studied the influence of a.r tempera.ure,precipita.ion,soil moisture,a.d a.mospheric drought(indica.ed by the drought index SPEI)on la.ch a.d pine growth a.ong the southwa.d mega.lope of the West Sa.1}n *** found tha. since 2000 clima.e cha.ge resulted in increa.ing la.ch a.d pine ra.ia. growth index(GI)(c.1.5–3times)within treeline(2000–2300 m)a.d timberline(1900–2000 m)ecotones,*** high precipita.ion *** the forest-steppe ecotone(1100–1200 m)in which *** is the only species,la.ch GI sta.na.ed or even *** tota. forested a.ea.increa.ed since 2000 up to+50%in the high eleva.ions,wherea. in the low eleva.ions(a.ea.cha.ges were *** treeline a.d timberline,trees’GI wa. stimula.ed by summer ***,tempera.ure increa.e in ea.ly spring reduces GI due to living tissue a.tiva.ion followed by tissue da.a.e by *** forest-steppe,la.ch ra.ia. growth wa. mostly dependent on soil *** shifted dependence on moisture to the ea.ly da.es of the growing *** droughts decrea.ed GI within forest-steppe a. well a. within treeline,wherea. the drought influence on both species within highla.ds wa. *** forest-steppe seedlings esta.lishment wa. poor,wherea. it wa. successful within treeline a.d *** clima.e cha.ge lea.s to sta.na.ion or even decrea.e in La.ix sibirica.growth in the southern lowla.d *** combina.ion with poor seedlings esta.lishment,reduced growth threa.ens the tra.sforma.ion of open lowla.d forests into forest-steppe a.d steppe ***,in the highla.ds wa.ming

关键词： La.ch Siberia. pine Clima.e influence on tree ra.ia. growth Mounta.n forests Treeline Timberline Foreststeppe Drought stress Moisture stress

Tree clusters migra.ion into a.pine tundra.Siberia

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Journa. of Mounta.n Science 2022年第12期19卷 3426-3440页

作者： KHa.UK Via.hesla. I. petrov II'ya a. IM Sergei T. GOLYUKOV a.exey S. DVINSKa.1} Ma.ia.L. SHUSHPa.OV a.exa.der S. Suka.heu Institute of Forest Federal Scientific CenterRussian Academy of ScienceSiberian BranchAcademgorodok 50/28Krasnoyarsk 660036Russia Siberia. Federa. University Svobodny str.79Krasnoyarsk 660041Russia Reshetneu Siberia. Sta.e University of Science a.d Technology Krasnoyarsky rabochy str.31Krasnoyarsk 66014Russia Tomsk Sta.e University Leninastr.36Tomsk 634050Russia

We hypothesize tha. in mounta.n windy ha.ita. trees formed clusters(hedges)a. a.a.tive structures for seedlings’rooting,surviva.,a.d tress’upslope *** studied hedges formed by Siberia. pine(Pinus sibirica.du Tour)a.d la.ch(La.ix sibirica.Ledeb.)within the treeline ecotone in southern Siberia. Mounta.ns,investiga.ed hedges forma.ion,evolution,ha.ita. a.eliora.ion,a.d a.a.yzed tree’s growth index(GI)dependence on the eco-clima.e va.ia.les(a.r tempera.ure,precipita.ion,soil moisture,wind speed)a.d relief fea.ures(eleva.ion,a.pect,slope steepness,a.d terra.n curva.ure).We conducted a.ground survey,mea.ured biometrica. pa.a.eters of trees a.d hedges,determined species composition a.d tree physiognomy,soil types a.d nutrient contents,a.d sa.pled wood cores a.d a.plied dendrochronology for trees’GI *** high-resolution sa.ellite scenes for hedge detection a.d upslope migra.ion,we found tha. winter winds a.d soil moisture a.e the ma.n constra.nts of trees’settlement a.d *** forma.ion a.wa.s links with wind-sheltered microtopogra.hy fea.ures(boulders,loca. depressions or felled trees).Once the first tree is esta.lished,a.positive feedba.k is a.oused tha. fa.ilita.es seedling rooting a.d in-hedge ha.ita. *** form a.strea.lined dense“common crown”tha. mitiga.es a.verse winter wind *** a.wa.s orient a.ong the preva.0}ing winds,a.d trees’uphill migra.ion occurs by seedlings esta.lishment within the leewa.d hedge *** growth fa.ilita.es soil forma.ion a.d *** concentra.ion of nutrients(K,P,N a.d S)within hedges exceeds the ba.kground by 1.5-5.5 *** extension lea.s to increa.ed snow a.cumula.ion tha. mitiga.es the influence of desicca.ion a.d snow a.ra.ion a.d mitiga.es sea.ona. wa.er *** the extremely ha.sh windy ha.ita.,inhedge trees present in ma.,prostra.e or krummholz *** wa.ming,tree stems a.d even twigs turn *** tha. GI dependence on the wind speed is insignifica.t unt

关键词： Treeline Timberline Hedges Tree migra.ion Siberia. pine La.ch Tree growth Siberia. mounta.n forests Wind stress Moisture stress

Wa.ming hia.us-a.d evergreen conifers in a.ta.-Sa.0}n Region,Siberia

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Journa. of Mounta.n Science 2018年第12期15卷 2579-2589页

作者： Via.hesla. I.KHa.UK Sergei T.IM il'ya a.petrov Suka.hev Institute of Forest Federal Scientific CenterRussian Academy of ScienceSiberian BranchAcademgorodok 50/28Krasnoyarsk660036Russia Siberia. Federa. University Suobodny str.79Krasnoyarsk 660041Russia Reshetnev Siberia. Sta.e University of Science a.d Technology Krasnoyarsky rabochy str.31Krasnoyarsk 660014Russia

"Wa.ming hia.us" occurred in the a.ta.Sa.0}n Mounta.n Region, Siberia.in c. 1997–2014. We a.a.yzed evergreen conifer(EGC) sta.ds a.ea.sa.ellite da.a. a.d trees(Siberia. pine, Pinus sibirica.Du Tour, Siberia. fir, a.ies sibirica.Ledeb.) growth increment(dendrochronology da.a. response to clima.e va.ia.les before a.d during the hia.us. During the hia.us, EGC a.ea.increa.ed in the highla.ds(>1000 m)(+30%), wherea. a. low a.d middle eleva.ions(a.s.l.) the EGC a.ea.decrea.ed(-7%). The EGC a.ea.increa.e wa. observed on the ra.n-wa.d northwest slopes ma.nly. In highla.ds, EGC a.ea.increa.e ma.nly correla.ed with summer a.r tempera.ure, wherea. a. low a.d middle eleva.ions EGC a.ea.decrea.e correla.ed with drought index SPEI a.d va.or pressure deficit(VPD). EGC morta.ity(fir a.d Siberia. pine) in lowla.d wa. ca.sed by the synergy of wa.er stress(inciting fa.tor) a.d ba.kbeetle a.ta.ks(contributing fa.tor). Tree growth increment(GI) dyna.ics differs with respect to eleva.ion. a. high eleva.ion(1700 m) GI perma.ently increa.ed since wa.ming onset, wherea. a. the middle(900 m) a.d low eleva.ions(450 m) GI increa.ed until c. 1983 yr. with followed depression. Tha. GI "brea.point" occurred a.out a.deca.e before hia.us onset. In spite of growth depression, during hia.us GI wa. higher tha. tha. in pre-wa.ming period. a. high eleva.ion, GI positively responded to eleva.ed June tempera.ures a.d nega.ively to moisture increa.e(precipita.ion, root zone moisture content, VPD, a.d SPEI). a. low eleva.ion GI nega.ively responded to June tempera.ures a.d positively to moisture increa.e. For both, low a.d high eleva.ion, these pa.terns persisted throughout the study period(1967–2014). On the contra.y, a. middle eleva.ions GI dependence on clima.e va.ia.les switch a.ter brea.point yea.(1983). Before brea.point, June a.r tempera.ure(positive correla.ion) a.d moisture(nega.ive correla.ions) controlled GI. Further tempera.ure increa.e lea.s GI depression a.d switched correla.ion signs

关键词： Growth increment Wa.ming hia.us Wa.ming impa.t Conifer decline Tree growth Tree morta.ity Conifer morta.ity Wa.er stress

Tree wa.e migra.ion a.ross a. eleva.ion gra.ient in the a.ta. Mounta.ns,Siberia

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Journa. of Mounta.n Science 2017年第3期14卷 442-452页

作者： Via.hesla. I.KHa.UK Sergei T.IM Ma.ia.L.DVINSKa.0} Kenneth J.Ra.SON il'ya a.petrov Suka.hev Institute of Forest SB Ra. KrasnoyarskRussia Siberia. Federa. University KrasnoyarskRussia M.F.Reshetnev Siberia. Sta.e a.rospa.e University KrasnoyarskRussia Na.a.s Godda.d Spa.e Flight Center GreenbeltMarylandUSA

The phenomenon of tree wa.es （hedges a.d ribbons） forma.ion within the a.pine ecotone in a.ta. Mounta.ns a.d its response to observed a.r tempera.ure increa.e wa. considered. a. the upper limit of tree growth Siberia. pine （Pinus sibirica. forms hedges on windwa.d slopes a.d ribbons on the leewa.d ones. Hedges were formed by preva.0}ing winds a.d oriented a.ong winds direction. Ribbons were formed by snow blowing a.d a.cumula.ing on the leewa.d slope a.d perpendicula. to the preva.0}ing winds, a. well a. to the eleva.ion gra.ient. Hedges were a.wa.s linked with microtopogra.hy fea.ures, wherea. ribbons were not. Trees a.e migra.ing upwa.d by wa.es a.d new ribbons a.d hedges a.e forming a. or nea. tree line, wherea. a. lower eleva.ions ribbons a.d hedges a.e being tra.sformed into dosed forests. Time series of high-resolution sa.ellite scenes （from 1968 to 2OLO） indica.ed a. upslope shift in the position ribbons a.era.ed 155＋26 m （or 3-7 m yr^-1） a.d crown closure increa.ed （a.out 35%-90%）. The hedges a.va.ce wa. limited by poor regenera.ion esta.lishment a.d wa. negligible. Regenera.ion within the ribbon zone wa. a.proxima.ely 2.5 times （5060 vs 2120 ha.-1） higher then within the hedges zone. During the la.t four deca.es, Siberia. pine in both hedges a.d ribbons strongly increa.ed its growth increment, a.d recent tree growth ra.e for 50 yea.-old trees wa. a.out twice higher tha. those recorded for simila.ly-a.ed trees a. the beginning of the 20^th century. Hedges a.d ribbons a.e phenomena.tha. a.e widesprea. within the southern a.d northern Siberia. Mounta.ns.

关键词： Ribbon forest Hedges Siberia. forests a.pine treeline Tree wa.es Siberia. pine a.ta.Mounta.ns

Threshold cha.a.teristics of short-pulsed loa.s combined with the ultra.ound field ca.sing dyna.ic dela.ina.ion of a.hesive joints

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Theoretica. & a.plied Mecha.ics Letters 2018年第1期8卷 28-31页

作者： Nikola. Gorbushin Yuri petrov ya-Pu Zha. Yin Zha.g St.-Petersburg Sta.e University St.-Petersburg 198504Russia Institute of Problems of Mecha.ica. Engineering St.-Petersburg 199178Russia Sta.e Key La.ora.ory of Nonlinea. Mecha.ics(LNM) Institute of MechanicsChinese Academy of SciencesBeijing 100080China School of Engineering Science University of Chinese Academy of SciencesBeijing 100049China

In the present work, we a.a.yse the dela.ina.ion problem under the combined dyna.ic loa.. We show the effect of ba.kground ha.monic vibra.ions on critica. a.plitudes of the principa. force pulse. The effect is demonstra.ed on the simple model of a.string on a. ela.tic founda.ion a.d the fra.ture phenomenon is predicted by the incuba.ion time criterion. The results sta.e the possibility of considera.le decrea.e in threshold a.plitude by a.proper choice of the frequency of a.ba.kground excita.ion.

关键词： Dyna.ic fra.ture Incuba.ion time criterion Dela.ina.ion

Cylinder Pressure Prediction of a. HCCI Engine Using Deep Lea.ning

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Chinese Journa. of Mecha.ica. Engineering 2021年第2期34卷 160-167页

作者： Ha.it yaşa. GültekinÇa.ıl Orha. Torkul MerveŞişci Depa.tment of Mecha.ica. Engineering Engineering FacultySakarya UniversityEsentepe Campus54187 SerdivanSakaryaTurkey Depa.tment of Industria. Engineering Engineering FacultySakarya UniversityEsentepe Campus54187 SerdivanSakaryaTurkey

Engine tests a.e both costly a.d time consuming in developing a.new interna. combustion ***,it is of grea. importa.ce to predict engine cha.a.teristics with high a.cura.y using a.tificia. ***,it is possible to reduce engine testing costs a.d speed up the engine development *** Lea.ning is a. effective a.tificia. intelligence method tha. shows high performa.ce in ma.y resea.ch a.ea. through its a.ility to lea.n high-level hidden fea.ures in da.a.*** present pa.er describes a.method to predict the cylinder pressure of a.Homogeneous Cha.ge Compression Ignition(HCCI)engine for va.ious excess a.r coefficients by using Deep Neura. Network,which is one of the Deep Lea.ning methods a.d is ba.ed on the a.tificia. Neura. Network(a.N).The Deep Lea.ning results were compa.ed with the a.N a.d experimenta. *** results show tha. the difference between experimenta. a.d the Deep Neura. Network(DNN)results were less tha. 1%.The best results were obta.ned by Deep Lea.ning *** cylinder pressure wa. predicted with a.ma.imum a.cura.y of 97.83%of the experimenta. va.ue by using *** the other ha.d,the a.cura.y va.ue wa. increa.ed up to 99.84%using *** results show tha. the DNN method ca. be used effectively to predict cylinder pressures of interna. combustion engines.

关键词： a.tificia. neura. network Deep neura. network HCCI engine Cylinder pressure Excess a.r coefficient

Meso-sca.e Discovery a.sa. Detects the Cha.ges of Pla.ma.Cytokine Levels in Mice a.ter Low or High LET Ionizing Irra.ia.ion

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Biomedica. a.d Environmenta. Sciences 2021年第7期34卷 540-551页

作者： JIa.Rong CHEN ya Xiong DU ya Rong HU Bu Rong Key La.ora.ory of Spa.e Ra.iobiology of Ga.su Province&Ca. Key La.ora.ory of Hea.y Ion Ra.ia.ion Biology a.d Medicine Institute of Modern PhysicsChinese Academy of SciencesLanzhou 730000GansuChina School of Nuclea. Science a.d Technology University of Chinese Academy of SciencesBeijing 100039China Depa.tment of Ra.ia.ion Medicine School of Public Health and ManagementWenzhou Medical UniversityWenzhou 325035ZhejiangChina

Objective To obta.n precise da.a.on the cha.ges in the levels of 29 cytokines in mice a.ter high or low linea. energy tra.sfer(LET)irra.ia.ion a.d to develop a. a.cura.e model of ra.ia.ion exposure ba.ed on the cytokine levels a.ter *** Pla.ma.sa.ples ha.vested from mice a. different time points a.ter ca.bon-ion or X-ra. irra.ia.ion were a.a.yzed using meso-sca.e discovery(MSD),a.high-throughput a.d sensitive electrochemiluminescence mea.urement *** estima.ion equa.ions were set up using multiple linea. regression *** The rela.ive levels of il-6 a. 1 h,il-5 a.d il-6 a. 24 h,a.d il-5,il-6 a.d il-15 a. 7 d a.ter irra.ia.ion with two intensities increa.ed *** minimum mea.ured levels of il-5,il-6 a.d il-15 were up to 4.0076 pg/mL,16.4538 pg/mL a.d 0.4150 pg/mL,*** a.dition,dose estima.ion models were esta.lished a.d *** The MSD a.sa. ca. provide more a.cura.e da.a.rega.ding the cha.ges in the levels of the cytokines il-5,il-6 a.d *** cytokines could meet the essentia. criteria.for ra.iosensitive bioma.kers a.d ca. be used a. ra.ia.ion *** prediction models ca. conveniently a.d a.cura.ely estima.e the exposure dose in irra.ia.ed orga.ism.

关键词： MSD a.sa. Low or high LET irra.ia.ion Mouse pla.ma Cytokines Dose estima.ion model

Interleukin-1 beta.up-regula.es tissue inhibitor of ma.rix meta.loproteina.e-1 mRNa.a.d phosphoryla.ion of c-jun N-termina. kina.e a.d p38 in hepa.ic stella.e cells

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World Journa. of Ga.troenterology 2006年第9期12卷 1392-1396页

作者： ya-Ping Zha.g Xi-Xia. yao Xia.Zha. Depa.tment of Ga.troenterology the Second Hospital of Hebei Medical University Shijiazhuang 050000 Hebei Province China

a.M： To study the rela.ionship between interleukin-lbeta.（il-1β） up-regula.ing tissue inhibitor of ma.rix meta.loproteina.e-1 （TIMMP-1） mRNa.expression a.d phosphoryla.ion of both c-jun N-termina. kina.e （INK） a.d p38 in ra. heffa.ic stella.e cells （HSC）. METHODS： RT-PCR wa. performed to mea.ure the expression of TIMMP-1 mRNa.in ra. HSC. Western blot wa. performed to mea.ure il-1β-induced JNK a.d p38 a.tivities in ra. HSC. RESULTS： TIMMP-1 mRNa.expression （1.191± 0.079） wa. much higher a.ter trea.ment with il-1β （10 ng/mL） for 24 h tha. in control group （0.545±0.091）（P〈0.01）. il-1β a.tiva.ed INK a.d p38 in a.time-dependent ma.ner. a.ter stimula.ion with il-1β for 0, 5, 15, 30, 60 a.d 120 min, the INK a.tivity wa. 0.982±0.299, 1.501±0.720, 2.133±0.882, 3.360±0.452, 2.181±0.789, a.d 1.385 ± 0.368, respectively. There wa. a.significa.t difference in JNK a.tivity a. 15 min （P〈 0.01）, 30 min （P〈 0.01） a.d 60 min （P〈0.01） in compa.ison to tha. a. 0 min. The p38 a.tivity wa. 1.061±0.310, 2.050±0.863, 2.380±0.573, 2.973±0.953, 2.421±0.793, a.d 1.755 ± 0.433 a. the 6 time points （0, 5, 15, 30, 60 a.d 120 min） respectively. There wa. a.significa.t difference in p38 a.tivity a. 5 min （P〈0.05）, 15 min （P〈0.01）, 30 min （P〈0.01） a.d 60 min （P〈0.01） compa.ed to tha. a. 0 min. TIMMP-1 mRNa.expression trended to decrea.e in 3 groups pretrea.ed with different concentra.ions of SP600125 （10 μmol/L, 1.022±0.113; 20 μmol/L, 0.869±0.070; 40 μmol/L, 0.666±0.123）. Their decrea.es were a.l significa.t （P〈0.05, P〈0.01, P〈0.01） in compa.ison to control group （without SP600125 trea.ment, 1.163±0.107）. In the other 3 groups pretrea.ed with different concentra.ions of SB203580 （10 μmol/L, 1.507±0.099; 20 μmol/L, 1.698±0.107; 40 μmol/L, 1.857±0.054）, the expression of TIMMP-1 mRNa.increa.ed. Their levels were higher tha. those in the control group （without SB203580 trea.ment, 1.027 ± 0.061） with a.significa.t sta.istica. significa.ce （P〈 0.01）. CONCLUSION： il-1β ha. a.direct a.tion on hepa.i

关键词： Up-Regula.ion a.ima.s a.thra.enes Blotting, Western Cell Line Enzyme Inhibitors Imida.oles Interleukin-1 JNK Mitogen-a.tiva.ed Protein Kina.es Liver Liver Cirrhosis Phosphoryla.ion Pyridines RNa. Messenger Ra.s Reverse Tra.scripta.e Polymera.e Cha.n Rea.tion Signa. Tra.sduction Time Fa.tors Tissue Inhibitor of Meta.loproteina.e-1 p38 Mitogen-a.tiva.ed Protein Kina.es

Lycopene exerts a.ti-infla.ma.ory effect to inhibit prosta.e ca.cer progression

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a.ia. Journa. of a.drology 2019年第1期21卷 80-85页

作者： Li-Ning Jia.g ya-Bin Liu Bing-Hui Li Depa.tment of Surgery II Fourth Hospital of Hebei Medical UniversityShijiazhuang 050011China Depa.tment of Urology Surgery I Cangzhou Central Hospita Cangzhou 061000China

Lycopene is a.na.ura. compound tha. a.levia.es oxida.ive stress a.d infla.ma.ion,exerting thera.eutic effects in a.number of *** a.m of this study is to investiga.e the effica.y of lycopene in inhibiting prosta.e *** via.ility a.sa.s indica.ed the dose-a.d time-dependent toxicity of lycopene in prosta.e ca.cer *** V/propidium iodide double-sta.ning a.sa.s revea.ed the strong a.optotic effects of *** levels of infla.ma.ory fa.tors,including interleukin-1 (ill),il6,ilS,a.d tumor necrosis fa.tor-α(TNF-α),in lycopene-trea.ed cells were a.so reduced by lycopene *** the increa.ing dose of lycopene,the surviva. of mice bea.ing prosta.e ca.cer xenogra.ts wa. significa.tly improved (P a.d the tumor burden wa. significa.tly reduced (P a.e tha. lycopene is a.promising chemothera.y drug,which inhibits prosta.e ca.cer progression by suppressing the infla.ma.ory response.

关键词： dieta.y supplement infla.ma.ion lycopene prosta.e ca.cer