检索结果-南通市图书馆

Small extracellular vesi.les deri.ed from human i.duced pluri.otent stem cell-di.ferenti.ted neural progeni.or cells mi.i.ate reti.al gangli.n cell degenerati.n i. a mouse model of opti. nerve i.jury

引用

Neural Regenerati.n Research 2025年第2期20卷 587-597页

作者： Tong Li.Hui.Mi. Xi.g Hai.Dong Qi.n Qi.o Gao Sheng-Lan Xu Hua Ma zai.Long Chi State Key Laboratory of Ophthalmology Optometry and Visual ScienceEye HospitalWenzhou Medical UniversityWenzhouZhejiang ProvinceChina Nati.nal Cli.i.al Research Center for Ocular Di.eases Eye HospitalWenzhou Medical UniversityWenzhouZhejiang ProvinceChina

Several studi.s have found that transplantati.n of neural progeni.or cells(NPCs)promotes the survi.al of i.jured ***,a poor i.tegrati.n rate and hi.h ri.k of tumori.eni.i.y after cell transplantati.n li.i.s thei. cli.i.al *** extracellular vesi.les(sEVs)contai. bi.acti.e molecules for neuronal protecti.n and *** studi.s have shown that stem/progeni.or cell-deri.ed sEVs can promote neuronal survi.al and recovery of neurologi.al functi.n i. neurodegenerati.e eye di.eases and other eye *** thi. study,we i.travi.really transplanted sEVs deri.ed from human i.duced pluri.otent stem cells(hi.SCs)and hi.SCs-di.ferenti.ted NPCs(hi.SC-NPC)i. a mouse model of opti. nerve *** results show that these i.travi.really i.jected sEVs were i.gested by reti.al cells,especi.lly those locali.ed i. the gangli.n cell *** wi.h hi.SC-NPC-deri.ed sEVs mi.i.ated opti. nerve crush-i.duced reti.al gangli.n cell degenerati.n,and regulated the reti.al mi.roenvi.onment by i.hi.i.i.g excessi.e acti.ati.n of *** analysi. further revealed that hi.SC-NPC deri.ed sEVs transported neuroprotecti.e and anti.i.flammatory mi.NA cargos to target cells,whi.h had protecti.e effects on RGCs after opti. nerve *** fi.di.gs suggest that sEVs deri.ed from hi.SC-NPC are a promi.i.g cell-free therapeuti. strategy for opti. neuropathy.

关键词： exosome mi.NA neural progeni.or cell neurodegenerati.n neuroi.flammati.n neuroprotecti.n opti. nerve crush opti. neuropathy reti.al gangli.n cell small extracellular vesi.les

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

Fe dopi.g promoted electrocatalyti. N2 reducti.n reacti.n of 2H MoS2

引用

Chi.ese Chemi.al Letters 2020年第9期31卷 2487-2490页

作者： Ji.oji.o Guo Tsegaye Tadesse Tsega i.rahi. Ul islam Asma i.bal Ji.ntao zai.Xuefeng Qi.n School of Chemi.try and Chemi.al Engi.eeri.g and State Key Laboratory of Metal Matri. Composi.es Shanghai Jiao Tong UniversityShanghai 200240China

Electrocatalyti. N2 reducti.n to ammoni. i. a fasci.ati.g alternati.e to Haber-Bosch process and also consi.ered as an energy sto rage *** work,Fe doped MoS2/carbon cloth(CC) has been studi.d on the electro-catalysi. fi. ni.rogen i.di.ati.g the doped Fe can i.deed enhance the MoS2 materi.l *** wi.h MoS2/CC,Fe-Mo-S-3/CC not only i.creases 10 ti.es i. the rate of producti.n ammoni.,but also 5 ti.es i. Faraday effi.i.ncy.

关键词： 2H MoS2 Electrocatalyti. N2 reducti.n reacti.n(NRR) Fe dopi.g Ammoni.

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

Achi.vements and problems of geotechni.al engi.eeri.g i.vesti.ati.n i. Chi.a

引用

Journal of Zheji.ng Uni.ersi.y-Sci.nce A(Appli.d Physi.s & Engi.eeri.g) 2011年第2期12卷 87-102页

作者： zai.mi.g ZHANG Bei.i.g Geotechni.al i.sti.ute (BGi. Engi.eeri.g Consultants Ltd. Beijing 100038 China College of Archi.ecture and Ci.i. Engi.eeri.g Beijing University of Technology Beijing 100124 China

As an i.dustry and a di.ci.li.e,geotechni.al i.vesti.ati.n i. Chi.a di.fers from that i. the USA and European countri.s i. i.s course of emergence and evoluti.n. For over half a century,Chi.ese geotechni.al i.vesti.ati.n professi.nals wi.nessed conti.uous techni.al advances as they undertook i.dependently almost all of Chi.a's large-scale constructi.n projects. Based on projects that won the "Nati.nal Outstandi.g Engi.eeri.g i.vesti.ati.n" Gold Medal Awards si.ce the year 2000,thi. paper di.cusses the achi.vements of geotechni.al i.vesti.ati.n i. the context of comprehensi.e techni.al abi.i.y,project evaluati.n and analysi.,hi.tech appli.ati.ns and engi.eeri.g moni.ori.g,and analyzes several factors that have hi.dered the i.dustry's further development and ali.nment wi.h i.ternati.nal practi.e. Fi.ally,some suggesti.ns are gi.en for future i.provement.

关键词： Geotechni.al engi.eeri.g Engi.eeri.g i.vesti.ati.n Techni.al advance

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

Bayesi.n Esti.ati.n for Generali.ed Exponenti.l Di.tri.uti.n Based on Progressi.e Type-i.i.terval Censori.g

引用

Acta Mathemati.ae Appli.atae Si.i.a 2013年第2期29卷 391-402页

作者： Xi.-yun PENG zai.zai.YAN Sci.nce College Inner Mongolia University of Technology

i. thi. study, we consi.er the Bayesi.n esti.ati.n of unknown parameters and reli.bi.i.y functi.n of the generali.ed exponenti.l di.tri.uti.n based on progressi.e type-i.i.terval censori.g. The Bayesi.n esti.ates of parameters and reli.bi.i.y functi.n cannot be obtai.ed as expli.i. forms by applyi.g squared error loss and Li.ex loss functi.ns, respecti.ely; thus, we present the Li.dley＇s approxi.ati.n to di.cuss these esti.ati.ns. Then, the Bayesi.n esti.ates are compared wi.h the maxi.um li.eli.ood esti.ates by usi.g the Monte Carlo si.ulati.ns.

关键词： Bayesi.n i.ference Li.dley's approxi.ati.n Monte Carlo method

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

Whi.tle’s i.dex Based Sensor Scheduli.g for Multi.rocess Systems Under DoS Attacks

引用

Journal of Systems Sci.nce & Complexi.y 2024年第1期37卷 329-350页

作者： CAi.zai.Di.G Kemi Shenzhen Key Laboratory of Control Theory and i.telli.ent Systems Southern University of Science and TechnologyShenzhen 518055China.

i. thi. paper,the authors consi.er how to desi.n defensi.e countermeasures agai.st DoS attacks for remote state esti.ati.n of multi.rocess *** each system,a sensor wi.l measure i.s state and transmi.s the data packets through an unreli.ble channel whi.h i. vulnerable to be jammed by an *** li.i.ed communi.ati.n bandwi.th,only a subset of sensors are allowed for data transmi.si.n,and how to select the opti.al one to maxi.i.e the accuracy of remote state esti.ati.n i. the focus of the proposed *** authors fi.st formulate thi. problem as a Markov deci.i.n process and i.vesti.ate the exi.tence of opti.al ***,the authors demonstrate the pi.cewi.e monotoni.i.y structure of opti.al *** the di.fi.ulty of obtai.i.g an opti.al poli.y of large-scale problems,the authors develop a subopti.al heuri.ti. poli.y based on the aforementi.ned poli.y structure and Whi.tle’s ***,a closed form of the i.di.es i. deri.ed i. order to reduce i.plementati.n complexi.y of proposed scheduli.g poli.y and numeri.al examples are provi.ed to i.lustrate the proposed developed results.

关键词： DoS attacks Kalman fi.ter remote state esti.ati.n Whi.tle’s i.dex.

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

Memeti. algori.hms-based neural network learni.g for basi. oxygen furnace endpoi.t predi.ti.n

引用

Journal of Zheji.ng Uni.ersi.y-Sci.nce A(Appli.d Physi.s & Engi.eeri.g) 2010年第11期11卷 841-848页

作者： Peng CHEN Yong-zai.LU Department of Automati.n Shanghai Jiao Tong University Shanghai 200240 China Department of Automati.n Zhejiang University Hangzhou 310027 China

Based on the cri.i.al posi.i.n of the endpoi.t quali.y predi.ti.n for basi. oxygen furnaces （BOFs） i. steelmaki.g, and the latest results i. computati.nal i.telli.ence （C1）, thi. paper deals wi.h the development of a novel memeti. algori.hm （MA） for neural network （NN） lcarnmg. i.cluded i. thi. i. the i.tegrati.n of extremal opti.i.ati.n （EO） and Levenberg-Marquardt （LM） pradi.nt search, and i.s appli.ati.n i. BOF endpoi.t quali.y predi.ti.n. The fundamental analysi. reveals that the proposed EO-LM algori.hm may provi.e superi.r performance i. generali.ati.n, computati.n effi.i.ncy, and avoi. local mi.i.a, compared to tradi.i.nal NN learni.g methods. Experi.ental results wi.h producti.n-scale BOF data show that the proposed method can effecti.ely i.prove the NN model for BOF endpoi.t quali.y predi.ti.n.

关键词： Memeti. algori.hm (MA) Neural network (NN) learni.g Back propagati.n (BP) Extremal opti.i.ati.n (EO) gevenberg-Marquardt (LM) gradi.nt search Basi. oxygen furnace (BOF)

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

Numeri.al evaluati.n of vi.tual mass force coeffi.i.nt of si.gle soli. parti.les i. accelerati.n

引用

Chi.ese Journal of Chemi.al Engi.eeri.g 2022年第1期35卷 210-219页

作者： zai.Sha Mao Chao Yang CAS Key Laboratory of Green Process and Engi.eeri.g Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China School of Chemi.al Engi.eeri.g University of Chinese Academy of SciencesBeijing 100049China

Vi.tual mass force i. an i.di.pensable component i. the momentum balance i.volved wi.h di.persed parti.les i. a multi.hase *** thi. work the accelerati.g moti.n of a si.gle soli. parti.le i. mathemati.ally formulated and solved usi.g the vorti.i.y-stream functi.n formulati.n i. an orthogonal curvi.i.ear coordi.ate *** total drag coeffi.i.nt was evaluated from the numeri.al si.ulati.n i. a range of the Reynolds number(Re)from 10 to 200 and the di.ensi.nless accelerati.n(A)between2.0 to *** si.ulati.n demonstrates that the total drag i. heavi.y correlated wi.h A,and large decelerati.n even drops the drag force to a negati.e *** i. found that the value of vi.tual mass force coeffi.i.nt(CV)of a spheri.al parti.le i. a vari.ble i. a wi.e range and di.fi.ult to be correlated wi.h A and ***,the total drag coeffi.i.nt(CDV)i. successfully correlated as a functi.n of Re and A,and i. i.creases as A i. *** proposed correlati.n of total drag coeffi.i.nt may be used for si.ulati.n of soli.–li.ui. flow wi.h better accuracy.

关键词： Total drag coeffi.i.nt Vi.tual mass force Soli. parti.le Numeri.al si.ulati.n Vorti.i.y-stream functi.n formulati.n

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

On Mean Values of Character Sums

引用

Acta Mathemati.a Si.i.a,Engli.h Seri.s 2006年第2期22卷 561-570页

作者： zai.Zhao MENG School of Mathemati.al Sci.nces Peking University

We use the resultant of two polynomi.ls to di.cuss the roots of congruences, and then we i.prove the result of Burgess on the mean values of character sums i. the case r = 3. Fi.ally, we gi.e a new esti.ate for the me... 详细信息

关键词： Resultant Polynomi.ls Character

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

Bromi.e and oxygen redox speci.s medi.ted hi.hly selecti.e electro-epoxi.ati.n of styrene

引用

Organi. Chemi.try Fronti.rs 2022年第2期9卷 436-444页

作者： Yuchi.Zhang Asma i.bal Ji.ntao zai.Shu-Yu Zhang Hongran Guo Xueji.o Li. i.rahi. ul islam Hi.a Fazal Xuefeng Qi.n Shanghai.Electrochemi.al Energy Devi.es Research Center School of Chemistry and Chemical Engineering and State Key Laboratory of Metal Matrix CompositesShanghai Jiao Tong University Shanghai200240P.R.China

Olefi. epoxi.ati.n i. an essenti.l transformati.n and arouses great i.terest among the sci.nti.i. communi.y for the key role of epoxi.e i. the chemi.al *** methods suffer from harmful oxi.ants and requi.e harsh operati.g condi.i.ns and complex separati.n ***-epoxi.ati.n through bromi.e redox reacti.ns i. an eco-fri.ndly ***,the lack of effi.i.nt electrodes always li.i.s the selecti.i.y of epoxi.ati.n and results i. massi.e energy ***,we found that GF-CoS_(2)/CoS heterostructures anchored on graphi.e felt(GF-CoS_(2)/CoS)can effi.i.ntly faci.i.ate the generati.n of bromi.e redox speci.s on the *** synergi.ti. cooperati.n between the bromi.e redox speci.s and oxygen redox speci.s(generated on a graphi.e rod cathode)can establi.h a beni.n electro-epoxi.ati.n system for olefi. substrates i. an ambi.nt *** the opti.i.ed reacti.n condi.i.ns,the epoxi.ati.n of styrene can achi.ve a yi.ld of 97% at 30 mA cm^(-2).i.portantly,the appli.d voltage(4-5 V)i. roughly half of the Pt-based electrode system(7.8-9.3 V),hence,savi.g half of the *** demonstrated that our proposed strategy could also be appli.d to other *** of the si.ple,sustai.able,and economi. advantages of the epoxi.ati.n process,we beli.ve thi. strategy i. hi.hly desi.able for techni.al appli.ati.ns.

关键词： redox epoxi.ati.n styrene

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

Fi.st Passage Densi.y of Browni.n Moti.n wi.h Two-si.ed Pi.cewi.e Li.ear Boundari.s

引用

Acta Mathemati.a Si.i.a,Engli.h Seri.s 2024年第6期40卷 1505-1520页

作者： Zhen YU Mao zai.Ti.N Center for Appli.d Stati.ti.s School of StatisticsRenmin University of ChinaBeijing 100872P.R.China School of Mathemati.s and Data Sci.nce Changji UniversityChangji 831100P.R.China

The fi.st passage ti.e has many appli.ati.ns i. fi.lds li.e fi.ance,econometri.s,stati.ti.s,and ***,expli.i. formulas for the fi.st passage densi.y have only been obtai.ed for a few *** paper deri.es an expli.i. formula for the fi.st passage densi.y of Browni.n moti.n wi.h twosi.ed pi.cewi.e conti.uous boundari.s whi.h may have some poi.ts of *** are used to obtai. a si.pli.i.d formula for esti.ati.g the fi.st passage ***,the results are also generali.ed to the case of two-si.ed general nonli.ear *** can be easi.y carri.d out wi.h Monte Carlo method and i. i. demonstrated for several typi.al two-si.ed boundari.s that the proposed approxi.ati.n method offers a hi.hly accurate approxi.ati.n of fi.st passage densi.y.

关键词： Boundary non-crossi.g probabi.i.y fi.st densi.y passage densi.y two-si.ed pi.cewi.e conti.uous boundari.s Browni.n moti.n

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：