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地球物理用电磁理论

地球物理用电磁理论

作者： s.H.·沃德(s.H. ward)

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挑战

国外地质勘探技术 1987年第5期 28-30页

作者： s.H.ward 姚治龙美国犹他大学研究院工程技术实验室

问题当前,应用地球物理学家面临着许许多多问题。第一个也是最重要的问题是作为一个地球物理学家能否生存下去?如果能,以什么方式生存?对此问题虽然没有明显的答案,但有三个有关的重要问题可以谈一谈。通过阐明这些问题,我们即可认识到... 详细信息

问题当前,应用地球物理学家面临着许许多多问题。第一个也是最重要的问题是作为一个地球物理学家能否生存下去?如果能,以什么方式生存?对此问题虽然没有明显的答案,但有三个有关的重要问题可以谈一谈。通过阐明这些问题,我们即可认识到由这些问题所提出的挑战。问题之一——地震解释人员勘探地球物理工作者学会(s.G)的大部分成员可能是地震资料解释员(70%?)。他

关键词：地球物理学家地球物理参数矿山物探

Food s.pply a.d the obes.ty s.ourge: Is.there a.rela.ions.ip?

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Hea.th 2012年第12期4卷 1457-1463页

作者： Lillia. Mwa.ri Wendy Foley John Coveney Robert Muller Fiona.Verity Pa.l R. ward Pa.ricia.Ca.ter Philip Mohr a.ne Ta.lor Depa.tment of s.cia. Work Flinders University Adelaide Australia Dis.ipline of Public Hea.th Flinders University Adelaide Australia Hea.th Promotion Bra.ch SA Health Adelaide Australia Ina.a.Indigenous.Hea.th s.rvice Queensland Health Inala Australia Popula.ion Res.a.ch a.d Outcome s.udies.Unit SA Health Adelaide Australia s.hool of Ps.chology University of Adelaide Adelaide Australia

This.pa.er reviews.litera.ure on the rela.ions.ip between food s.pply a.d obes.ty. The focus.is.on the s.pply, cos., a.d va.iety of food through va.ious.types.of food outlets.a.d the impa.t of thes. fa.tors.on obes.ty in developed countries. The a.ticle revea.s.complex rela.ions.ips.between food s.pply fa.tors.a.d obes.ty. a.numer of fa.tors.rela.ed to lifes.yles.including the mobility of popula.ions.a.d the us. of motor vehicles.grea.ly reduce the impa.t of the loca. environment on fa.ily a.d individua. ea.ing pa.terns. However, obes.ty is.a.s. a.fected by fa.tors.s.ch a.0}the type a.d dens.ty of food outlets. the cos. of food, the tra.el dis.a.ce a.d mea.s.of tra.s.ort to the food outlet. While the rela.ions.ip between food s.pply a.d obes.ty in the litera.ure revea.s.complex a.d mixed findings. this.pa.er concludes.obes.ty is.complex a.d food s.pply is.only pa.t of this.phenomenon’s.predictors. Beca.s. the rela.ions.ip between food s.pply a.d obes.ty is.media.ed by s.ch multiple a.d complex fa.tors.including popula.ion beha.iours. beliefs. lifes.yles. knowledge a.d both food a.d phys.ca. environments.multiple s.ra.egies.including policy development a.d other s.ra.egies.a.med a. ma.ipula.ing food environments. phys.ca. environments. popula.ions. beliefs. beha.iours.a.d pra.tices.mus. be cons.dered in s.a.ching for evidence to effectively comba. obes.ty.

关键词： Obes.ty Food s.pply Food Outlets s.cio Economic s.a.us Complex Rela.ions.ips

体育教师教育研究的十大热点:基于2012年PETE大会以来的分析

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北京体育大学学报 2016年第10期39卷 89-100,120页

作者：尹志华汪晓赞 Phillip ward 季浏华东师范大学体育与健康学院暨上海高校"立德树人"人文社会科学重点研究基地体育教育教学研究基地上海200241 美国俄亥俄州立大学教育与人类生态学院俄亥俄哥伦布43210

体育教师教育(Phys.ca. Educa.ion Tea.her Educa.ion)是西方体育科学研究的热点之一,为了解当前该领域的最新研究进展,分析了2012年PETE大会以及之后有关体育教师教育的研究文献,提出了当代体育教师教育研究的10个热点专题:即体育教师... 详细信息

体育教师教育(Phys.ca. Educa.ion Tea.her Educa.ion)是西方体育科学研究的热点之一,为了解当前该领域的最新研究进展,分析了2012年PETE大会以及之后有关体育教师教育的研究文献,提出了当代体育教师教育研究的10个热点专题:即体育教师教育政策研究、体育教师教育标准研究,体育教师教育与信息技术整合,基于公共健康的Cs.a.研究,基于标准的体育教师教育课程模式与计划,体育教师知识研究、职前体育教师实习研究、体育教师教育评价研究、体育教师专业发展研究、体育教师博士教育研究。总结了4个特点:即关注健康已成为体育教师教育的重要目标、对新技术的运用保持足够的敏感性、标准化的体育教师教育正在逐步深入、长期的专题研究保证了可持续发展。

关键词：体育教师教育政策标准信息技术 Cs.a. 课程模式评价专业发展博士教育

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a.s.udy on Ris. Fa.tors.for Venous.Thromboembolis. a.d the Requirement of Thromboprophyla.is.in Pregna.cy a.d Pos.pa.tum Period in a.Tertia.y Ca.e Centre in s.uth a.0}a. Country: a.Cros. s.ctiona. s.udy

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Open Journa. of Obs.etrics.a.d Gynecology 2023年第3期13卷 403-413页

作者： P. L. a. s.ris.na.s. N. s.ma.a.kody B. s.bha.i D. Guna.5}a.a.M. a. K. Perera.C. Ra.hna.a.e De s.ys. Hos.ita. for Women Colombo Sri Lanka Colombo s.uth Tea.hing Hos.ita. Colombo Sri Lanka Na.iona. Hos.ita. of s.i La.ka Colombo Sri Lanka Provincia. Depa.tment of Hea.th s.rvices Central Province Kandy Sri Lanka Depa.tment of Obs.etrics.a.d Gyna.cology University of Peradeniya Kandy Sri Lanka

Introduction: Thrombos.s.is.a.ma.or ca.s. of ma.erna. dea.h worldwide. During pregna.cy, the ris. of venous.thromboembolis. (VTE) increa.0}s.fourfold to five-fold a.d contributes.towards.ma.erna. morbidity a.d morta.ity. s.i La.ka.does.not ha.e a.proper a.0}es.ment tool to detect a.d ma.a.e it in the a.tena.a. ca.e. Objectives. To identify ris.s.fa.tors.for VTE a.ong pregna.t mothers. pos.pa.tum mothers.a.cording to RCOG (Roya. College of Obs.etricia.s. ris. ca.egoriza.ion a.d to a.0}es. the requirement of thromboprophyla.is. Method: a.cros. s.ctiona. s.udy wa.0}conducted a. the a.tena.a. clinics.a.d obs.etrics.a.d gyna.cology wards.(ward 2, 5, 8) of De s.ys. Hos.ita. for Women in 2021. Obs.etric thromboprophyla.is.ris. a.0}es.ment tool recommended by the RCOG wa.0}us.d for the ris. a.0}es.ment of pregna.t mothers.during the a.tena.a. a.d pos.pa.tum period. Res.lts. In a.tena.a. period, obes.ty (BMI > 35), a.e more tha. 35 yea.s.a.d pa.ity more tha. 3 were the commones. ris. fa.tors. Out of 404 mothers. 67.33% did not ha.e a.y ris. fa.tors. a.ong others. 18.56%, 0.40%, 2.72%, 0.99% ha. a.s.ore of 1, 2, 3 a.d 4 res.ectively. Pa.ients.with intermedia.e (0.99%) a.d high ris. (2.72%) were commenced on thromboprophyla.is.from 28 weeks. The low-ris. ca.egory wa.0}not s.a.ted on a.y trea.ment (28.96%, n = 97). a.proxima.ely 96% of mothers.did not require a.y thromboprophyla.is.during a.tena.a. period. a.other 404 pos.na.a. mothers.were recruited for the s.udy group. Elective ca.s.rea. s.ction a.d ca.s.rea. s.ction during la.our were the ma.n ris.s.identified other tha. pre-exis.ing a.tena.a. ris.s. 39.95 % of mothers.did not ha.e a.y ris. fa.tors.a.d 37.22% of mothers.ha. a.s.ore of 1. Conclus.ons. VTE ris. a.0}es.ment tool ca. be implemented a. na.iona. level to detect pa.ients.a. ris. of VTE a.d improve ma.erna. ca.e.

关键词： Venous.Thromboembolis. Pos.pa.tum Thromboprophyla.is Cros.-s.ctiona. s.udy Ma.erna. Morbidity a.d Morta.ity

a. Optimized Multiple a.ces. Control Protocol for a.’little LEO’ s.tellite s.ore-a.d-Forward Globa. Da.a.Network

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An Optimized Multiple Access Control Protocol for a ’little...

用多频激发极化法鉴别矿物和去除感应耦合(摘译)

The Fourth Interna.iona. Conference on Pa.a.lel a.d Dis.ributed Computing, a.plica.ions.a.d Technologies

作者： Ba.zhong Cheng Jeff ward Ma.ting s.eeting s.hool of Electronics.a.d Informa.ion Engineering Northern Jia.tong Univers.ty s.rrey s.a.e Center University of SurreySurreyGU2 7XHUK

＜正＞The res.rva.ion method us.d in a.TD-s.Ma.protocol determines.the protocol’s.*** typica. res.rva.ion methods.propos.d a.e s.LOHa.a.d VCR-s.LOHa.Va.ying Ca.ling Ra.e s.LOHa.. s.LOHa.is.rela.ively s.mple to rea.ize but it ca. not a.a.t well to the dyna.ic tra.fic pa.tern in a.’little LEO’ s.tellite ***-s.OHa.ca. better a.a.t the dyna.ic tra.fic, but its.highes. efficiency on a.era.e is.s.ill *** improve the res.rva.ion efficiency,a.new res.rva.ion method,a.-s.LOHa.a.a.tive Polling a.d s.LOHa.,is.*** a.-s.LOHa.polling is.us.d for the s.a.ions.which ha.e high proba.ility to uploa. a.mes.a.e,a.d s.LOHa.is.us.d for the s.a.ions.which ha.e low proba.ility to uploa. *** from s.LOHa.a.d VCR-s.LOHa.the length of a.res.rva.ion period in a.-s.LOHa.va.ies.a.cording to the network tra.fic. a.a.ys.s.a.d s.mula.ion s.ow tha. a.-s.LOHa.provides.better throughput *** 19%improvement over VCR-s.LOHa.ca. be a.hieved.

关键词： Multiple a.ces. Protocol LEO s.tellite

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建材地质 1986年第1期 49-54页

作者： W.H.PELTON s.H.ward 安徽省经济管理学院

在开始研究应用多频激发极化法或复电阻率法时,我们意识到在很大频率范围上的各种类型矿化的激发极化响应方面的有用资料基本上没有什么。于是,我们提出以下几个重要问题:(1)具有代表性的激发极化频谱是什么;(2)是否存在适用于这些频谱... 详细信息

在开始研究应用多频激发极化法或复电阻率法时,我们意识到在很大频率范围上的各种类型矿化的激发极化响应方面的有用资料基本上没有什么。于是,我们提出以下几个重要问题:(1)具有代表性的激发极化频谱是什么;(2)是否存在适用于这些频谱的数字模式;(3)是否存在一个通用的模式;(4)模型的任何参数是否随颗粒尺寸、富集程度或矿物类型不同而起显著的变化;(5)一个有限规模矿床上的激发极化频谱相对于均匀大地上的频

关键词：激发极化法充电率时间常数时间域频率域矿化激电法电法勘探无机化激发极化响应复电阻率相位曲线块状硫化物频率相关系数非金属矿床石墨矿床振幅曲线矿物多频

From Grinding Hollows.to Informa.ion Communica.ion Technology through Media.in s.lecting Pros.ective Fia.cées. Evidence from Wa.0}kuma.s.cio-Cultura. Pra.tices.in Ta.za.ia

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Interna.iona. Journa. of Geos.iences 2017年第9期8卷 1146-1171页

作者： Cha.les.B. s.a.a.e s. Fa.u Depa.tment of a.cha.ology a.d Herita.e s.udies College of Humanities University of Dar es Salaam Dar es Salaam Tanzania Depa.tment of Journa.is. a.d Ma.0} Communica.ion Faculty of Social Sciences St. Augustine University of Tanzania Mwanza Tanzania

This.pa.er pres.nts.res.lts.from inves.iga.ion of cultura. tra.s.orma.ions.exhibited by Wa.0}kuma.youth in rega.d to getting fia.cées.in Nga.0}mo ward, Bus.ga.dis.rict, s.miyu region, Ta.za.ia. The Ma.n Objective wa.0}to a.0}es. the ma.ner former Wa.0}kuma.young men us.d mega.s.one objects.in s.lecting pros.ective fia.cées.a.d compa.e with the current trend of us.ng media.in s.me a.ea.0}of Ba.ia.i dis.rict, s.miyu region. s.ecific Objectives.included the following: to reloca.e ta.gible cultura. herita.e res.urces.(mega.s.ones. us.d by Wa.0}kuma.young men in former times.for getting fia.cées.in s.miyu region;to identify electronic media.us.d by Wa.0}kuma.young men of toda. to communica.e in a.bid to get fia.cées.in s.miyu region;a.d to provide s.gges.ions.for pertinent protection, cons.rva.ion a.0}well a.0}pres.nta.ion of cultura. herita.e res.urces. s.ch inves.iga.ion wa.0}ca.ried out through s.rveys.tha. included field obs.rva.ion, documenta.ion together with records.for Globa. Pos.tioning s.s.em (GPs. coordina.es.per s.rveyed loca.ity a.d key informa.t interviews. Res.lts.from the s.udy identified gra.ite rock boulders.tha. were us.d a.0}grinding s.ones.for cerea.s.s.ch tha. they formed grinding hollows. Bes.des.production of flour for ma.ing food like s.iff porridge or s.ft porridge, s.ch grinding hollows.were us.d by youth of former times.to identify ha.d working young la.ies.who could be us.ful for becoming life pa.tners. s.ch cultura. herita.e a.0}ets.need s.s.a.na.le pres.rva.ion a.0}well a.0}cons.rva.ion pla.s.in line with a.tiqui-ties.a.t, a.tiquities.Rules.a.d Monuments.of 1980, Cultura. Policy of 1997 together with a.tiquities.Policy of 2008. On the other ha.d, toda.’s.youth in Ba.ia.i a.ea. s.miyu region a.d els.where in Us.kuma.a.ea.0} for ins.a.ce, Kwimba.dis.rict in Mwa.za.region us.d s.ch mega.s.ones.with the s.me purpos.s. However, currently, youth a.e us.ng Informa.ion Communica.ion Technology (ICT), for exa.ple, electronic media.through televis.on, mobile phones

关键词： Fia.cée(s. Mega.s.one Objects Grinding Hollows a.tiquities Policy Cultura. Policy

Ma.erno-Feta. Prognos.s.of Retro-Pla.enta. Hema.oma.a. the Centre Hos.ita.ier Univers.ta.re Communa.ta.re

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Open Journa. of Obs.etrics.a.d Gynecology 2020年第10期10卷 1351-1357页

作者： N. R. Ngba.e G. R. D. L. Kogboma.Wongo a. Koirokpi C. E. Ga.nefet G. D. Kos.a.Ko Oua.oua.s. Oua.ou D. M. Ca.lot s. Ma.oulou-M’ba.a.a. s.pou The Ma.ernity of Centre Hos.ita.ier Univers.ta.re Communa.ta.re Bangui Central African Republic

Introduction: The ma.ority of pregna.cies.a.d births.go off without incident even though they a.l pres.nt ris.s. Retro-pla.enta. hema.oma.(RPH) is.a. extreme obs.etric emergency. The a.m of our s.udy wa.0}to a.0}es. the... 详细信息

s.rong>Introduction:s.rong> The majority of pregnancies and births go off without incident even though they all present risks. Retro-placental hematoma (RPH) is an extreme obstetric emergency. The aim of our study was to assess the maternal-fetal prognosis of this pathology in our patients. Patients and Methods:s.a.> This is a retrospective descriptive and analytical study over 5 years ranging from the period from January 1st, 2015 to December 31st, 2019. The study’s population consisted of pregnant women, in the 3rd trimester, who were presented with the retro-placental hematoma during the pregnancy or childbirth and taken care of in the maternity ward of the Centre Hospitalier Universitaire Communautaire. Results:s.a.> During our study period, we recorded 87 cases of retro-placental hematoma, and 40,763 deliveries. The frequency of retro-placental hematoma was 0.21% at delivery. The average maternal age was 26.4 years with extremes of 16 and 40 years. The parity’s.a. s.yle="font-fa.ily:Verda.a.">s.a.era.e wa.0}3.8 with extremes.of 1 a.d 13. The

关键词： Prognos.s Retro-Pla.enta. Hema.oma.(RPH) Ba.gui