检索结果-南通市图书馆

Immunother.py of gastr.c cancer.Pr.sent status and futur. per.pectives

Wor.d Jour.al of Gastr.enter.logy 2024年第8期30卷 779-793页

作者： john K Tr.antafillidis Manousos M Konstadoulakis Apostolos E Papalois Inflammator. Bowel Disease Unit “Metropolitan General”HospitalHolargos 15562AtticaGreece.Hellenic Society for Gastrointestinal Oncology354 Iera OdosChaidari 12461AtticaGreece Second Depar.ment of Sur.er. University of Athens School of MedicineAretaieion HospitalAthens 11528AtticaGreece Unit of Sur.ical r.sear.h and Tr.ining Second Department of SurgeryUniversity of AthensSchool of MedicineAretaieion HospitalAthens 11528AtticaGreece

In this editor.al,we comment on the ar.icle entitled“Advances and key focus ar.as in gastr.c cancer.immunother.py:A compr.hensive scientometr.c and clinical tr.al r.view(1999-2023),”which was published in the r.cent issue of the Wor.d Jour.al of *** focused on the r.sults of the author.’bibliometr.c analysis concer.ing gastr.c cancer.immunother.py,which they analyzed in depth by compiling the r.levant publications of the last 20 *** that,we br.efly descr.be the most r.cent data concer.ing the epidemiological par.meter. of gastr.c cancer.GC)in differ.nt countr.es,attempting to give an inter.r.tation based on the etiological factor. involved in the etiopathogenesis of the *** then br.efly discuss the conser.ative tr.atment(chemother.py)of the var.ous for.s of this malignant *** descr.be the tr.atment of r.sectable tumor.,locally advanced neoplasms,and unr.sectable(advanced)*** attention is given to moder. ther.peutic appr.aches with emphasis on immunother.py,which seems to be the futur. of GC tr.atment,especially in combination with *** is also a thor.ugh analysis of the r.sults of the study under.r.view in ter.s of the number.of scientific publications,the countr.es in which the studies wer. conducted,the author.,and the scientific center. of or.gin,as well as the clinical studies in ***,an attempt is made to dr.w some conclusions and to point out possible futur. dir.ctions.

关键词： Gastr.c cancer Chemother.py Immunother.py Immune checkpoint inhibitor. Bibliometr.cs Scientometr.cs

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Geochemistr. and miner.logy of beach sediments in the nor.her. Gulf of Mexico,Tamaulipas state,Mexico:implication for.pr.venance

引用

Jour.al of Palaeogeogr.phy 2024年第3期13卷 375-400页

作者： Mayank Shukla Sanjeet K.Ver.a Mayla A.r.mos-Vázquez john S.Ar.str.ng-Altr.n Kar.a r.Her.ández-Mar.ínez Sumit Mishr. Vivek P.Malviya Héctor.Her.ández-Mendoza Posgr.do de la Division de Geociencias Aplicadas Instituto Potosino de Investigacion Científica y Tecnologica(IPICYT)Camino a la Presa San José2055San Luis Potosí78216Mexico Division de Geociencias Aplicadas Instituto Potosino de Investigación Científica y Tecnologica(IPICYT)Camino a la Presa San Jose 2055San Luis Potosí78216Mexico Univer.idad Nacional Autonoma de México Instituto de Ciencias del Mar y LimnologíaUnidad de ProcesosOceanicos y CosterosCiudad UniversitariaCiudad de México 04510Mexico Depar.ment of Mar.ne Sciences Bharathidasan UniversityTiruchirappalli620024Tamil NaduIndia Instituto de Geociencias Universidad Nacional Autonoma de MéxicoBoulevard Juriquilla 300176230JuriquillaQueretaroMexico Depar.ment of Applied Geology Dr.Harisingh Gour Central UniversitySagar470002Madhya PradeshIndia Instituto de Investigacion de Zonas Desér.icas Universidad Autònoma de San Luis PotosíAltair 200CP 78377San LuisS.L.P.Mexico Univer.idad del Centr. de Mexico Capitán Caldera 75CP 78250San LuisS.L.P.Mexico

Geochemical and miner.logical studies wer. per.or.ed in the La Pesca(LP)and Tesor. Altamir.(TA)beach sediments,located in the Tamaulipas state,nor.her. Gulf of *** main aim of this study is to infer.the weather.ng histor. and pr.venance and to discr.minate the tectonic envir.nment of the beach *** sediments ar. composed of quar.z with small amounts of accessor. miner.ls such as plagioclase,calcite,or.hoclase,micr.cline,and *** beach sediments ar. classified as fine-gr.ined and ver. well sor.ed,however.LP has coar.e skewed and leptokur.ic sediments,wher.as TA has fine-skewed and ver. leptokur.ic *** chemical index of weather.ng(CIW’)indicates intense weather.ng in the sour.e *** quar.z gr.in micr.textur.s in the LP and TA ar. classified into mechanical,chemical,and mechanical/chemical *** featur.s such as fr.ctur.s,pits,per.ussion mar.s,abr.sion fatigue,and V-shaped mar.s favor.high-ener.y littor.l,fluvial,subaqueous-mar.ne,and aeolian *** chemical featur.s indicate solution pits and cr.stalline over.r.wth,which suggests a silica satur.ted mar.ne *** mechanical/chemical featur.s display adher.ng par.icles and elongated depr.ssions suggest for.ation in a sub-aqueous near.hor. mar.ne *** and tr.ce elements-based pr.venance discr.mination diagr.ms indicate a felsic sour.e der.ved fr.m the Mesa Centr.l(MC),Sier.a Madr. Or.ental(SMOr.and Oaxaquia *** major.and tr.ce element concentr.tions imply a passive mar.in setting for.the nor.her. Gulf of Mexico,which is consistent with the gener.l geology.

关键词： Beach sediments Geochemistr. Miner.logy Pr.venance Tamaulipas Tectonic setting

来源：

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

The fir.t r.cor. of a Konser.at-Lager.tätten in which ear.y post-settlement stages of fossil ar.haeobalanids(Cir.ipedia:Balanomor.ha)ar. pr.ser.ed

引用

Integr.tive Zoology 2024年第2期19卷 200-223页

作者： Tomáš KOCÍ r.k GAŠPAr.C john BUCKEr.DGE Mar.ina KOCOVÁ VESELSKÁ Aleš ŠOSTEr Ivancická581 PragueCzech Republic Palaeontological Depar.ment Natural History MuseumNational MuseumPragueCzech Republic Oer.ijdmuseum Bosscheweg 80Boxtel5293 WBThe Netherlands Institute for.Palaeobiology and Evolution Novi TrgKamnikSlovenia Ear.h and Oceanic Systems Gr.up RMIT UniversityMelbourneAustralia Museums Victor.a CarltonVictoriaAustralia Depar.ment of Paleobiology and Paleoecology Institute of Geology of the Czech Academy of SciencesPragueCzech Republic Institute of Geology and Palaeontology Charles UniversityPragueCzech Republic Faculty of Natur.l Sciences and Engineer.ng University of LjubljanaLjubljanaSlovenia

A diver.e sessile bar.acle fauna fr.m a Miocene shallow-water.deposit at Dolnja Star. vas in Slovenia is *** includes the fir.t descr.ptions of ear.y post settlement juveniles of Actinobalanus sloveniensis attached to mangr.ve *** r.pr.sent thr.e distinct gr.wth phases,the ear.iest being inter.r.ted as being less than 24 h post settlement,the other. being 1 to 2 days post *** assessment of their.taphonomy is *** adult balanomor.hs ar. attached to a var.ety of or.anic substr.tes,including mangr.ve leaves and br.nches,fr.gments of the conifer.?Taxodioxylon,Car.poxylon,pine cones,molluscs,and cetacean *** bar.acles include ***,Amphibalanus venustus,and Per.or.tus per.or.tus—many with oper.ula r.tained within the *** r.tains some of the or.ginal shell *** is the second r.cor. of bar.acle–plant associations fr.m the Centr.l Par.tethys fr.m Kamnik and *** paleoecology and paleogeogr.phy of the site ar. discussed.

关键词： acor. bar.acles bar.acle metamor.hosis epibiont paleoecology taxonomy

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

A new species of Discostella guiyangensis ***.(Bacillar.ophyta,Stephanodiscales)fr.m Guiyang,China:mor.hology and phylogeny

引用

Jour.al of Oceanology and Limnology 2024年第4期42卷 1312-1324页

作者： Yandan XIANG Fangr. NAN Xudong LIU Shulian XIE john Patr.ck KOCIOLEK Qi LIU School of Life Science Shanxi UniversityTaiyuan 030006China Depar.ment of Ecology and Evolutionar. Biology and Museum of Natur.l Histor. University of ColoradoBoulder CO 80309USA

We descr.be a new species of Discostella fr.m Guiyang based on light and scanning electr.n micr.scopic obser.ations,as well as molecular.*** species is mor.hologically distinguished fr.m other.species by a r.latively smooth and slightly r.cessed centr.l ar.a with mar.inal str.ae of unequal lengths for.ed near.the *** fultopor.ulae and a single r.mopor.ula ar. situated between ever. two costae or.on the *** mor.hological char.cter. and the concatenated data of r.c L and SSU r.NA indicate that Discostella guiyangensis is a unique and new *** to diver.ence time estimation analysis,Discostella guiyangensis is the oldest species among the Discostella species sequenced *** addition,we complement molecular.data of Discostella aster.costata and Discostella stelliger..

关键词： Discostella mor.hology molecular.analysis diver.ence time estimation new species

来源：

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

Explor.ng the r.asons for.Selfie-Taking and Selfie-Posting on Social Media with Its Effect on Psychological and Social Lives:A Study among Indian Youths

引用

Inter.ational Jour.al of Mental Health Pr.motion 2024年第5期26卷 389-398页

作者： Divya P.Vijayan Tokani Ghuhato Eslavath r.jkumar.Allen Joshua Geor.e r.mate john john Abr.ham Depar.ment of Psychology Central University of KarnatakaKalaburagi585367India Depar.ment of Liber.l Ar.s Indian Institute of Technology BhilaiChhattisgarh491002India Liber.l Ar.s&Sciences Indian Institute of Management RanchiJharkhand834001India Depar.ment of Family Medicine/Ger.atr.cs St.John’s National Academy of Health SciencesBangalore560034India

‘Selfie’taking was intr.duced to the common people by smar.phones and has become a common pr.ctice acr.ss the globe in no *** technological advancement and the popular.ty of smar.phones,selfie-taking has gr.wn r.pidly within a shor. *** light of the new tr.nd set by the gener.tion,this study aimed to explor. r.asons for.selfie-taking and selfie-posting on social media and their.effects on the social and psychological lives of young adults.A pur.osive sampling method was adopted to select 20 Indian citizens,between 18 and 24 *** data wer. collected thr.ugh semi-str.ctur.d inter.iews and analysed using thematic ***-taking and posting on social media give positive feelings,and it acts as a mood modifier.dependent mostly on the favour.bility and feedback about the post which in tur. affects emotions and self-satisfaction.

关键词： Selfie social media social networ.ing sites obsessive selfie-taking Indian youth

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

A holistic appr.ach to impr.ving safety for.batter. ener.y stor.ge systems

引用

Jour.al of Ener.y Chemistr. 2024年第5期92卷 422-439页

作者： James Close Jonathan E.Bar.ar. Y.M.john Chew Semali Per.r. Depar.ment of Chemical Engineer.ng Centre for DigitalManufacturing&DesignUniversity of BathBath BA27AYUK ioMosaic Inter.ational Limited 16-18 Queen SquareBath BA12HNUK

The integr.tion of batter. ener.y stor.ge systems(BESS)thr.ughout our.ener.y chain poses concer.s r.gar.ing safety,especially since batter.es have high ener.y density and numer.us BESS failur. events have *** spr.ad adoption will only incr.ase the pr.valence of these failur. events unless ther. is a step change in the management and design of *** under.tand the causes of failur.,the main challenges of BESS safety ar. *** consequences and failur. events ar. discussed,including specific focus on the chain of events causing ther.al r.naway,and a case study of a BESS explosion in Sur.r.se Ar.zona is *** on the technology and past events,a par.digm shift is r.quir.d to impr.ve BESS *** this r.view,a holistic appr.ach is *** combines cur.ently adopted appr.aches including batter. cell testing,lumped cell mathematical modelling,and calor.metr.,alongside additional measur.s taken to ensur. BESS safety including the r.quir.ment for.computational fluid dynamics and kinetic modelling,assessment of installation level testing of the full BESS system and not simply a single cell batter. test,hazar. and layer. of pr.tection analysis,gas chr.matogr.phy,and composition *** holistic appr.ach pr.posed in this study aims to addr.ss challenges of BESS safety and for. the basis of a par.digm shift in the safety management and design of these systems.

关键词： Ener.y stor.gesystems Pr.cess safety Batter. safety Ther.al safety

来源：

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

Damage evolution of r.ck-encased-backfill str.ctur. under.stepwise cyclic tr.axial loading

引用

Jour.al of r.ck Mechanics and Geotechnical Engineer.ng 2024年第2期16卷 597-615页

作者： Xin Yu Yuye Tan Weidong Song john Kemeny Shengwen Qi Bowen Zheng Songfeng Guo Key Labor.tor. of Shale Gas and Geoengineer.ng Institute of Geology and GeophysicsChinese Academy of SciencesBeijing100089China Innovation Academy for.Ear.h Science Chinese Academy of SciencesBeijing100089China Univer.ity of Chinese Academy of Sciences Beijing100049China School of Civil and r.sour.es Engineer.ng University of Science and Technology BeijingBeijing100083China Key Labor.tor. of High-Efficient Mining and Safety of Metal Mines(Ministr. of Education of China) University of Science and Technology BeijingBeijing100083China Depar.ment of Mining and Geological Engineer.ng University of ArizonaTucsonAZ86721USA

r.ck-encased-backfill(r.)str.ctur.s ar. common in under.r.und mining,for.example in the cut-andfill and stoping *** under.tand the effects of cyclic excavation and blasting activities on the damage of these r. str.ctur.s,a ser.es of tr.axial stepwise-incr.asing-amplitude cyclic loading exper.ments was conducted with cylindr.cal r. specimens(r.ck on outside,backfill on inside)with differ.nt volume fr.ctions of r.ck(VF=0.48,0.61,0.73,and 0.84),confining pr.ssur.s(0,6,9,and 12 MPa),and cyclic loading r.tes(200,300,400,and 500 N/s).The damage evolution and meso-cr.ck for.ation dur.ng the cyclic tests wer. analyzed with r.sults fr.m str.ss-str.in hyster.sis loops,acoustic emission events,and post-failur. X-r.y 3D fr.ctur. *** r.sults showed significant differ.nces between cyclic and monotonic loadings of r. specimens,par.icular.y with r.gar. to the gener.tion of shear.micr.cr.cks,the development of str.ss memor. and str.in har.ening,and the contact for.es and associated fr.ction that develops along the r.ck-backfill *** impor.ant finding is that as a function of the number.of cycles,the elastic str.in incr.ases linear.y and the dissipated ener.y incr.ases ***,compar.d with monotonic loading,the cyclic str.in har.ening char.cter.stics ar. mor. sensitive to r.sing confining pr.ssur.s dur.ng the initial compaction *** finding is that compar.d with monotonic loading,mor. shear.micr.cr.cks ar. gener.ted dur.ng ever. r.loading stage,but these micr.cr.cks tend to be disper.ed and lessen the likelihood of lar.e shear.fr.ctur. *** tr.nsition fr.m elastic to plastic behavior.var.es depending on the par.meter. of each test(confinement,volume fr.ction,and cyclic r.te),and an inter.sting finding was that the tr.nsfor.ation to plastic behavior.is significantly lower.under.the conditions of 0.73 r.ck volume fr.ction,400 N/s cyclic loading r.te,and 9 MPa *** the findings have impor.ant pr.ctical implications on t

关键词： r.ck and backfill Tr.axial cyclic loading Volume fr.ction Damage evolution 3D visualization

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

A stability evaluation method for.deep-seated toppling in the upper.Lancang r.ver.Southwester. China

引用

Jour.al of r.ck Mechanics and Geotechnical Engineer.ng 2024年第7期16卷 2388-2410页

作者： Yibing Ning Huiming Tang Jianbing Peng Yanjun Shen john V.Smith Bocheng Zhang College of Geological Engineer.ng and Geomatics Chang’an UniversityXi’an710054China Academy of Yellow r.ver.Sciences of Shaanxi Pr.vince Chang’an UniversityXi’an710054China Badong National Obser.ation and r.sear.h Station of Geohazar.s China University of GeosciencesWuhan430074China School of Engineer.ng RMIT UniversityMelbourne3001Australia

Deep-seated toppling in the upper.r.aches of the Lancang r.ver.southwest China involves defor.ations exceeding 100 m in *** slope defor.ation is initiated by r.ver.downcutting and evolves distinctive char.cter.stics with a depth of r.ver.*** this study,we pr.pose a system for.evaluating the stability of deep-seated toppled slopes in differ.nt evolutionar. *** system contains identification cr.ter.a for.each evolutionar. stage and pr.vides the cor.esponding stability evaluation *** on the mechanical and kinematic analysis of slope blocks,the specific stage of slope movement can be identified in the field thr.ugh outcr.p mapping,in situ tests,sur.ace displacement monitor.ng,and adit and bor.hole *** stability evaluation methods ar. established based on the limiting equilibr.um theor. and the str.in compatibility between the undistur.ed zone and the toppled ***,sever.l sample slopes in differ.nt evolution stages have been investigated to ver.fy the applicability and accur.cy of the pr.posed stability evaluation *** r.sults indicate that intense tectonic activity and r.pid r.ver.incision lead to a maximum pr.ncipal str.ss r.tio exceeding 10 near.the slope sur.ace,thus tr.gger.ng widespr.ad toppling defor.ations along the r.ver.*** consider.ng the losses of joint cohesion dur.ng the fur.her.r.tation pr.cess,the safety factor.of the slope dr.ps by 7%e28%.The self-stabilization of toppling defor.ation can be r.cognized by the layer.symmetr. configur.tion after.the fr.e r.tation of the deflected *** toppled r.ck blocks mainly suffer.sliding failur.s beyond the layer.symmetr. *** factor.of safety of the K73 r.ckslide decr.ased fr.m 1.17 to 0.87 by consider.ng the development of the potential sliding sur.ace and the toesatur.ted zone.

关键词： Stability evaluation Deep-seated toppling Evolutionar. pr.cess r.ser.oir.impoundment r.ck slope

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Stability Investigation and Impr.vement for.DC Cascade Systems with Simplified Impedance-based Stability Cr.ter.on

引用

CSEE Jour.al of Power.and Ener.y Systems 2024年第3期10卷 1044-1052页

作者： Junbin Fang Zhikang Shuai Yang Li Zhibing Wang Xiangyang Wu Xia Shen Z.john Shen College of Electr.cal and Infor.ation Engineer.ng Hunan UniversityChangsha 410082China r.newable Ener.y Depar.ment of China Electr.c Power.r.sear.h Institute Beijing 100192China Depar.ment of Electr.cal and Computer.Engineer.ng Illinois Institute of TechnologyChicagoIL 60616USA IEEE

In DC distr.buted power.systems(DPSs),the complex impedance inter.ctions possibly lead to DC bus voltage oscillation or.*** pr.vious r.sear.h,the stability analysis of DPSs is implemented based on mathematical analysis in contr.l *** specific mechanisms of the instability of the cascade system have not been intuitively *** this paper.the stability analysis of DPSs based on the tr.ditional Nyquist cr.ter.on is simplified to the r.sonance analysis of the ser.esconnected por. impedance(Z=r.jX)of sour.e and load *** r.veals that the essential r.ason for.impedance instability of a DC cascade system is that the negative damping char.cter.stic(r.0)of the por. the over.ll impedance amplifies the inter.al r.sonance sour.e at r.actance zer.-cr.ssing *** simplified stability cr.ter.on for.DC cascade systems can be concluded as:in the negative damping fr.quency r.nges(r.0),ther. exists no zer.-cr.ssing point of the r.actance component(i.e.,X=0).Accor.ing to the pr.posed stability cr.ter.on,the oscillation modes of cascade systems ar. classified.A typical one is the inter.al impedance instability excited by the negative damping,and the other.one is that the exter.al distur.ance amplified by negativity in a low stability ***,the impedance r.shaping method for.stability impr.vement of the system can be fur.her.*** validity of the simplified cr.ter.on is ver.fied theor.tically and exper.mentally by a positive damping r.shaping method.

关键词： DC cascaded system,impedance model impedance r.constr.ction stability cr.ter.on

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

What diameter.What height?Influence of measur.s of aver.ge tr.e size on ar.a-based allometr.c volume r.lationships

引用

For.st Ecosystems 2024年第1期11卷 100-109页

作者： Yilin Wang john A.Ker.haw Mar. J.Ducey Yuan Sun James B.McCar.er Integr.ted For.st Mensur.tion and Systems Analysis Labor.tor. Faculty of Forestry and Environmental ManagementUniversity of New BrunswickFrederictonNBCanada Depar.ment of Natur.l r.sour.es and the Envir.nment University of New HampshireDurhamNHUSA College of For.str. Nanjing Forestry UniversityNanjing210037China Scientific Pr.gr.mmer RayonierYuleeFLUSA

Volume is an impor.ant attr.bute used in many for.st management *** fr.m 83 fixed-ar.a plots located in centr.l New Br.nswick,Canada,ar. used to examine how differ.nt measur.s of stand-level diameter.and height influence volume pr.diction using a stand-level var.ant of Honer.s(1967)volume *** density was included in the models(Volume=f(Diameter.Height,Density))choice of diameter.measur. was mor. impor.ant than choice of height *** density was not included(Volume=f(Diameter.Height)),the opposite was *** models with density included,moment-based estimator. of stand diameter.and height per.or.ed better.than all other.*** models without density,lar.est tr.e estimator. of stand diameter.and height per.or.ed better.than other.*** over.ll best equation used quadr.tic mean diameter.Lor.y's height,and density(r.ot mean squar. er.or.5.26 m^3·ha^(-1);1.9%r.lative er.or..The best equation without density used mean diameter.of the lar.est tr.es needed to calculate a stand density index of 400 and the mean height of the tallest 400 tr.es per.ha(r.ot mean squar. er.or.32.08 m^(3)·ha^(-1);11.8%r.lative er.or..The r.sults of this study have some impor.ant implications for.height subsampling and LiDAr.der.ved for.st inventor. analyses.

关键词： Allometr.c r.lationships Stand str.ctur. Volume estimation Stand-level attr.butes

来源：

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

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：