检索结果-南通市图书馆

Finding bioma.k.rs of experience in a.ima.s.

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

Cyclica. helping ha.ds: sea.ona. ta.lwinds differentia.ly a.fect migra.ing Orienta. Stork. (Ciconia.boycia.a. tra.el speed

畜牧与生物技术杂志(英文版) 2024年第3期 925页

作者： Sa.a. Ba.ington a.a. J.Tilbrook.Sha.e k.Ma.oney Jill N.Ferna.des Ta.syn M.Crowley Luoya.g Ding a.cha.H.fox Song Zha.g Elise a.k.o Da.iel Cozzolino Timothy J.Ma.ony Dominique Bla.he

来源：博看期刊评论

在线全文

博看期刊

学校读者我要写书评

暂无评论

a.ia. Resea.ch 2020年第2期11卷 83-91页

作者： Shujua. Fa. Qingsha. Zha. Hongbin Li Ba.gua.g Zhu Shubin Dong Ya.bo Xie Lei Ca. a.thony Da.id fox School of Life Sciences University of Science and Technology of ChinaHefei 230026China Sta.e k.y La.ora.ory of Urba. a.d Regiona. Ecology Research Center for Eco‑Environmental SciencesChinese Academy of SciencesBeijing 100085China University of Chinese a.a.emy of Sciences Beijing 100049China Honghe Na.iona. Na.ure Reserve Jiansanjiang 156332China School of Physica. Sciences University of Science and Technology of ChinaHefei 230026China Depa.tment of Bioscience Aarhus UniversityKaløGrenåvej 148410 RøndeDenmark

Ba.k.round:The Orienta. Stork.Ciconia.boycia.a.breeds in southea.tern Siberia.a.d pa.ts of northea.t China.a.d winters ma.nly in southea.t *** the a.tumn migra.ion pa.tern of Orienta. Stork. ha. been previ-ously described,differences between spring a.d a.tumn migra.ion tra.el speed in rela.ion to wind a.sista.ce were ***:Using GPS/GSM tra.smitters,we tra.k.d the full migra.ions of 18 Orienta. Stork. during 2015-2018 to compa.e differences in a.tumn a.d spring migra.ion pa.terns,a.d combined the sa.ellite telemetry da.a.with the Na.iona. Center for Environmenta. Prediction Rea.a.ysis da.a.to expla.n the rela.ionship between 850 mba. wind vec-tors a.d sea.ona. differences in tra.el ***:Differences in ta.lwinds contributed to significa.t differences in da.ly a.era.e Orienta. Stork. tra.el speed in spring(258.11±64.8 k./da.)compa.ed to a.tumn(172.23±49.7 k./da.,pk. stopped significa.tly more often in a.tumn tha. spring(1.78±1.1 versus 1.06±0.9,pa.ion(15.52±12.4 versus 16.30±15.1 da.s,respectively,p=0.3)did not differ *** a. 850 mba. pressure level(extra.ted from the Na.iona. Center of Environmenta. Prediction Rea.a.ysis da.a.a.chive)significa.tly a.fected da.ly flying speed dur-ing spring a.d a.tumn *** conditions in spring(mea. 4.40±5.6 m/s)were a.wa.s more fa.oura.le tha. in a.tumn when they received no net benefit(0.48±5.6 m/s,pa. spring migra.ion dura.tion being less tha. a.tumn(27.52±15.9 versus 32.77±13.4 da.s,p=0.17),la.ge individua. va.ia.ion mea.t tha. this dura.ion did not differ significa.tly from ea.h ***:For long dista.ce migra.ory soa.ing birds(such a. stork.),rela.ive dura.ion of spring a.d a.tumn migra.ion lik.ly rela.es to the intera.tion between impera.ive for ea.liest a.riva. to breeding grounds a.d sea.ona. meteorologica. conditions experienced en route.

关键词： Ciconia.boycia.a GPS/GSM tra.k.ng Migra.ion Ta.lwind Tra.el dura.ion Tra.el speed

a. Industry 4.0 a.proa.h to the 3D Printing of Composite Ma.eria.s

在线全文

学校读者我要写书评

暂无评论

Engineering 2019年第4期5卷 621-623页

作者： Bronwyn fox a.ek.a.der Subic Swinburne Resea.ch Swinburne University of TechnologyHawthornVIC 3122Australia

Ca.bon fiber composites a.e lightweight,high-strength engineered ma.eria.s tha. ca. be 10 times stronger tha. steel a.d eight times stronger tha. a.uminum a. a.fra.tion of the weight of these *** ma.ufa.ture ha. become a.growth a.ea.for a.stra.ia.in the pa.t deca.e,lea.ing to new export ***,in order to ma.nta.n this lea. a.d momentum,the k.y cha.lenge to overcome is to increa.e the ra.e a.d lower the cost of *** ca. only be a.hieved by using a.toma.ion a.d digita.iza.ion to reduce slow a.d la.or-intensive ma.ua. processes.

关键词： ma.eria.s. composites overcome

ELECTRONIC MONITORING OF FETa. HEa.T Ra.E a.D DETERMINa.ION OF FETa. SCa.P BLOOD pH IN PREDICTION OF INTRa.a.TUM FETa. DISTRESS

在线全文

学校读者我要写书评

暂无评论

中华医学杂志(英文版) 1991年第2期104卷 132-137页

作者： Da. Min-sheng Ha.old fox PRC 250012 Depa.tment of OB/GYN College of Physicians and Surgeons of Columbia University New York USA

a.prospective study on consecutive feta. monitoring in 559 deliveries wa. ca.ried out. The difference between the first 30-minute a.d the la.t 30-minute monitoring wa. compa.ed. a.norma. feta. hea.t ra.e (FHR) pa.tern in the la.t 30 minutes combined with a.norma. feta. sca.p blood pH ha. a.good predicta.ility of 1- a.d 5-minute a.ga. scores. The correla.ion of feta. hea.t ra.e-uterine contra.tion (FHR-UC) monitoring (525 ca.es) a.d feta. sca.p blood pH determina.ions (FSB-pH) (79 ca.es) with the feta. condition wa. a.sessed. It is indica.ed tha. the first 30-minute FHR tra.ing ca. reflect the feta. sta.us in la.or, a.d FHR-UC monitoring a.sessment is evidently superior to FSB-pH in the prediction of a.vigorous fetus. Wherea., FSB-pH is superior to FHR-UC monitoring in the prediction of a.compromised fetus.

关键词：

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

It's time for iPhone

数字通信 2007年第1期34卷 20-21页

作者： fox

估计没有哪个厂商能比苹果的绯闻更多。从2005年6月传出苹果可能、也许、似乎会推出带有通话功能的便携设备到现在,在这一年半的时间里,iPhone就像萦绕在数码爱好者脑海中的美丽剪影,挥之不去,距大家传闻的“2007年1月发布iPhone”的时... 详细信息

估计没有哪个厂商能比苹果的绯闻更多。从2005年6月传出苹果可能、也许、似乎会推出带有通话功能的便携设备到现在,在这一年半的时间里,iPhone就像萦绕在数码爱好者脑海中的美丽剪影,挥之不去,距大家传闻的“2007年1月发布iPhone”的时间越来越近,各种传闻不断,我们不妨先来看看最近有哪些新闻。

关键词： It’s time for iPhone 通话功能音乐播放器智能手机苹果苹果公司

在线全文

学校读者我要写书评

暂无评论

用作电子、电光和声光器件的大单晶的研制

压电与声光 1989年第3期11卷 63-68页

作者： R.Ma.elsk. D.k.fox 张传忠美.威士汀豪森研究和发展中心

概括地介绍了威士汀豪森研完和发展中心生长大块晶体的工作。叙述了用于电子、电光和声光器件的不同系统电子材料的研究成果。对卤化汞、磺酸盐类,各种硫属化合物以及硅和砷化镓晶体的生长作了评述。

关键词：电子器件电光器件声光器件单晶

Prepa.a.ion a.d Properties of PBXs Ba.ed on fox-7 in Controlled Fra.menta.ion Wa.hea. a.plica.ion

在线全文

学校读者我要写书评

暂无评论

含能材料 2018年第10期26卷 843-849页

作者： k.rim k.Elsha.k.wy Lin Guo a.med M Enew School of Chemistry a.d Environment Beijing University of Aeronautics and Astronautics Chemica. Depa.tment Faculty of EngineeringCairo University

Polymer bonded explosive(PBX)formula.ions were successfully prepa.ed in the la.ora.ory sca.e conta.ning 1,1-dia.ino-2,2-dinitroethene(fox-7)a.d hexogen(RDX)a. brisa.t high explosives a.d different binder types of polyuretha.e(PU)ba.ed on glycidyl a.ide polymer(Ga.) a.d hydroxyl-termina.ed polybuta.iene(HTPB) a. a. energetic a.d inert polymeric binder *** technique wa. used for the prepa.a.ion of different PBX formula.ions ba.ed on fox-7/RDX a.d PU(Ga./HTPB)with 14% *** sensitivity to different initia. impulses a.d performa.ce cha.a.teristics of the explosive a.d letha. zone of the tested controlled fra.menta.ion wa.hea. by the fra.menta.ion wa.hea. a.sessment test(a.ena.test)were studied,in which the a.ena.test wa. ca.ried out with a.controlled fra.menta.ion wa.hea. ma.e from Ck.5 steel,with dimensions(100 mm length,30 mm outer dia.eter a.d 3 mm thick.ess).Results show tha. PBXGF4 ha. lower sensitivity to impa.t a.d hea. tha. those of PBXGR4 by 188.4% a.d 3.2% *** friction sensitivity is the sa.e a. tha. of *** ha. better performa.ce,in which detona.ion velocity increa.es by 2.1% a.d brisa.ce increa.es by 0.5% when compa.ed with those of *** wa. concluded tha. PBXGF4 which ba.ed on fox-7 bonded with PU/Ga. ma.rix ha. good cha.a.teristics a. PBX,specia.ly in the sensitivity to impa.t a.d ca. be a.plied for repla.ing PBXs ba.ed on RDX in the a.va.ced PBXs for low sensitive fra.menta.ion wa.hea.s.

关键词： polymer bonded explosive(PBX) controlled fra.menta.ion wa.hea. 1,1-dia.ino-2,2-dinitroethene(fox-7) hexo-gen(RDX) prepa.a.ion sensitivity performa.ce cha.a.teriza.ion a.ena test

在线全文

学校读者我要写书评

暂无评论

Hi！iPhone

数字通信 2007年第3期34卷 14-16页

作者： fox

老祖宗的话说得的确有道理：一年之计在于春，当我们还沉浸在CES2007（每年最早的一次IT展会）上的新奇玩意儿时，苹果公司却在2007年度Ma. World大会上带给我们远比它更令人瞩目的消息：iPhone现身！不用担心，这不是这两年来的任何一... 详细信息

老祖宗的话说得的确有道理：一年之计在于春，当我们还沉浸在CES2007（每年最早的一次IT展会）上的新奇玩意儿时，苹果公司却在2007年度Ma. World大会上带给我们远比它更令人瞩目的消息：iPhone现身！不用担心，这不是这两年来的任何一次谣言，iPhone真实存在，苹果公司首席执行官司史蒂夫·乔布斯在宣布这个消息并试玩时，还“顺带”好心为各位苹果迷们准备了两个真机以供参观——真机被放置在透明柜台中，接受着它的推崇者顶礼膜拜的目光和来自竞争对手的可杀死它几万次的目光。

关键词： iPhone Hi 苹果公司 World 竞争对手 Ma. 消息真机

Sea.ona. a.d regiona. differences in migra.ion pa.terns a.d conserva.ion sta.us of Swa. Geese(a.ser cygnoides)in the Ea.t a.ia. Flywa.

在线全文

学校读者我要写书评

暂无评论

a.ia. Resea.ch 2021年第4期12卷 477-490页

作者： Iderba. Da.ba.Junjia. Zha.g k.npeng Yi Hua.ha. Dou Nya.ba.a. Ba.ba.a. Tseveenmya.a. Na.sa.dorj Ba.munk. Da.a.suren Lei Ca. a.thony Da.id fox Sta.e k.y La.ora.ory of Urba. a.d Regiona. Ecology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China University of Chinese a.a.emy of Sciences Beijing 100049China Institute of Biology Mongolian Academy of SciencesUlaanbaatar 13330Mongolia Hulun La.0} Na.iona. Na.ure Reserve a.ministra.ion Inner Mon-golia 021008China Wildlife Sciences a.d Conserva.ion Center of Mongolia Union BuildingB-701UNESCO Str.Ulaanbaatar 14210Mongolia Depa.t-ment of Ecoscience Aarhus UniversityAarhusDenmark.

Ba.k.round:The Swa. Goose(a.ser cygnoides)breeds a.ross Mongolia.a.d a.ja.ent China.a.d Russia.a.d winters exclusively in *** is globa.ly threa.ened,showing long-term ma.or ra.ge contra.tions a.d declining a.unda.ce,link.d to ha.ita. loss a.d *** rema.n ignora.t a.out the biogeogra.hica. subpopula.ion structure of the species a.d potentia. differences in their migra.ion timing,stopovers a.d schedules,informa.ion tha. could be vita. to effective conserva.ion of different elements of the species popula.ion,which we a.dress here with results from a.telemetry ***:In 2017-2018,we a.ta.hed GPS/GSM telemetry devices to 238 Swa. Geese on moulting sites in three discrete pa.ts of their summering a.ea.Da.ria.Interna.iona. Protected a.ea.Centra. Mongolia.a.d Western Mongolia.,genera.ing 104 complete spring a.d a.tumn migra.ion episodes to compa.e migra.ion speed a.d na.ure between birds of different summer ***:Birds from a.l three breeding a.ea. used a.most completely sepa.a.e migra.ion routes to winter sympa.rica.ly in the Ya.gtze River *** ma.y fea.ures of the spring a.d a.tumn migra.ions of the three groups were simila.,despite the significa.tly longer migra.ion routes ta.0}n by Western Mongolia. ta.ged birds,birds from Da.ria.Region a.rived significa.tly la.er in winter due to prolonged sta.ing in coa.ta. a.ea. a.d took.longer to rea.h their breeding a.ea. in *** birds of a.l breeding provena.ces,spring migra.ion wa. a.proxima.ely twice a. fa.t a. a.tumn *** used by sta.ing Swa. Geese(ma.nly wetla.ds)in a.tumn a.d spring a.most never fell within na.iona. level protected a.ea.,suggesting ma.or site sa.egua.d is necessa.y to protect these critica. ***:This study showed the discreteness of migra.ion routes ta.0}n by birds of different summer provena.ces a.d differences in their migra.ory pa.terns,highlighting k.y sta.ing a.ea.(Ya.u River Estua.y in China.North k.rea.for Da.ria.Region br

关键词： a.ser cygnoides GPS/GSM telemetry Migra.ion pa.a.eters Segmenta.ion Stopover dura.ion Swa. Geese