检索结果-南通市图书馆

Predicting an Athlete’s Physiological and Haematological Response to Live High-Train High Altitude Training Using a Hypoxic Sensitivity Test

引用

Journal of Science in Sport and Exercise 2022年第4期4卷 371-385页

作者： Gareth Turner Kate L.Spilsbury David J.Green Barry W.Fudge Jamie S.M.Pringle Alan J.richardson Neil S.Maxwell Environmental Extreme Laboratory University of BrightonEastbourneUK English Institute of Sport Bisham AbbeyUK Queensland Academy of Sport BrisbaneAustralia English Institute of Sport LoughboroughUK Aspire Academy DohaQatar University of Birmingham BirminghamUK

Purpose Elite endurance runners frequently utilise live high-train high(LHTH)altitude training to improve endurance per-formance at sea level(SL).Individual variability in response to the hypoxic exposure have resulted in contradictory *** the present case study,changes in total haemoglobin mass(tHbmass)and physiological capacity,in response to 4-weeks of LHTH were *** tested if a hypoxic sensitivity test(HST)could predict altitude-induced adaptations to *** Fifteen elite athletes were selected to complete 4-weeks of LHTH(~2400 m).Athletes visited the laboratory for preliminary testing(PRE),to determine lactate threshold(LT),lactate turn point(LTP),maximal oxygen uptake VO_(2max)and *** LHTH,athletes completed daily physiological measures[arterial oxygen saturation(SpO2)and body mass]and subjective wellbeing *** was repeated,for those who completed the full camp,post-LHTH(POST).Additionally,athletes completed the HST prior to *** A difference(P<0.05)was found from PRE to POST in average tHbmass(1.8%±3.4%),VO_(2max)(2.7%±3.4%),LT(6.1%±4.6%)and LTP(5.4%±3.8%),after 4-weeks *** revealed a decrease in oxygen saturation at rest(ΔSp_(r))and higher hypoxic ventilatory response at rest(HVRr)predicted individual changes *** hypoxic cardiac response at rest(HCRr)and higher HVRr predicted individual changes VO_(2max).Conclusion Four weeks of LHTH at~2400 m increased tHbmass and enhanced physiological capacity in elite endurance *** was no observed relationship between these changes and baseline characteristics,pre-LHTH serum ferritin levels,or reported incidents of musculoskeletal injury or *** HST did however,estimate changes in tHbmass and VO_(2max).HST prior to LHTH could allow coaches and practitioners to better inform the acclimatisation strategies and train-ing load application of endurance runners at altitude.

关键词： Altitude training Runners Endurance Haemoglobin mass Performance Hypoxic sensitivity

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

Misdiagnosis of Earth climate sensitivity based on energy balance model results

引用

Science Bulletin 2015年第15期60卷 1370-1377页

作者： Mark richardson Zeke Hausfather Dana A.Nuccitelli Ken Rice John P.Abraham Department of Meteorology University of Reading Climate Physics Section Jet Propulsion Laboratory California Institute of Technology Energy and Resources Group University of CaliforniaBerkeley Skeptical Science Brisbane Institute for Astronomy Royal Observatory University of Edinburgh School of Engineering University of St. Thomas St. Paul

Monckton of Brenchley et al.(Sci Bull60:122–135, 2015)(hereafter called M15) use a simple energy balance model to estimate climate response. They select parameters for this model based on semantic arguments, leading to different results from those obtained in physics-based studies. M15 did not validate their model against observations, but instead created synthetic test data based on subjective assumptions. We show that M15 systematically underestimate warming: since 1990, most years were warmer than their modelled upper limit. During 2000–2010, RMS error and bias are approximately 150 % and 350 % larger than for the CMIP5 median, using either the Berkeley Earth or Cowtan and Way surface temperature data. We show that this poor performance can be explained by a logical flaw in theparameter selection and that selected parameters contradict observational estimates. M15 also conclude that climate has a near-instantaneous response to forcing, implying no net energy imbalance for the Earth. This contributes to their low estimates of future warming and is falsified by Argo float measurements that show continued ocean heating and therefore a sustained energy imbalance. M15's estimates of climate response and future global warming are not consistent with measurements and so cannot be considered credible.

关键词：能量平衡模型气候敏感性地球误诊气候响应观测方法全球变暖均方根误差

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

BRACHIOPODS FROM CHINA SEAS

引用

Chinese Journal of Oceanology and Limnology 1989年第3期7卷 211-219,221-224页

作者： J.R.richardson I.R.Stewart 刘锡兴 Museum of Victoria Australia Dept. of Zoology Monash University Australia Institute of Oceanology Academia Sinica . Qingdao

A collection of brachiopods by the Institute of Oceanology . Academia Sinica (Qingdao ). contains eight species from seven genera. Six of the species have been recorded previously from Chinaseas -- Lingula adamsi . L. anatina, Discinisca Stella. Pelagodiscus allanticus, Campages mariae,Terebratalia coreanica . Two species (Terebratulina hataiana and Frenulina sanguinolenta)have been described from other parts of the Pacific area . The apparent absence of any endemic species is a noteworthy feature of Chinese in comparison with Japanese faunas .

关键词： Qingdao genera apparent Japanese collection endemic stella Shandong Fujian Australian

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

Remote Sensing of Aquatic Coastal Ecosystem Processes 2006

引用

丛书名： Remote Sensing and Digital Image Processing

2006年

作者： Laurie L. richardson Ellsworth F. LeDrew

来源：畅想之星图书光盘版（南... 评论

在线全文

畅想之星图书光盘版（南通市图书馆镜像）

学校读者我要写书评

暂无评论

Remote platelet function testing using P-selectin expression in patients with recent cerebral ischaemia on clopidogrel

引用

Stroke & Vascular Neurology 2021年第1期6卷 103-108页

作者： Jason Philip Appleton Carla richardson Natalia Dovlatova Jane May Nikola Sprigg Stan Heptinstall Philip M Bath Stroke Trials Unit Division of Clinical NeuroscienceUniversity of NottinghamNottinghamUK Stroke Division Nottingham University Hospitals NHS TrustNottinghamUK Platelet Solutions Ltd Division of Clinical NeuroscienceQueen's Medical CentreUniversity of NottinghamNottinghamUK Platelet Research Group Division of Clinical NeuroscienceQueen's Medical CentreUniversity of NottinghamNottinghamUK

Background Antiplatelet agents reduce recurrence after cerebral ischaemia but are not effective in all patients,in part because of treatment *** primary aim was to assess the proportion of patients who are insensitive to *** secondary aim was to assess the association between insensitivity to clopidogrel and recurrent cerebrovascular *** Following written informed consent,independent patients with a recent non-cardioembolic ischaemic stroke or transient ischaemic attack,and taking clopidogrel,were *** function was assessed with remote measurement of surface expression of P-selectin(CD62P)using commercial kits sensitive to aspirin or ***’general practitioners provided details on recurrent vascular events at least 90 days *** are mean(SD)and median[IQR].Resistance was defined as:aspirin median fluorescence(MF)>500 units,clopidogrel MF>860 ***-parametric descriptors and tests were *** 63 patients were recruited:mean age 64(13.7)years,women 47%.At baseline,59(95%)patients were taking clopidogrel alone with 3(5%)on combined clopidogrel and *** of platelet surface P-selectin revealed:aspirin test 528[317,834],>50054.8%;clopidogrel test 429[303,656],>86011.3%.No participants on aspirin and clopidogrel showed aspirin ***(20.6%)patients had a recurrent cerebrovascular event;those with an ischaemic stroke had a non-significantly higher baseline P-selectin using the clopidogrel test as compared with those with no recurrence:626[380,801]versus 406[265,609],p=*** Remote measurement of platelet function assessed using the platelet surface expression of P-selectin is feasible.11%of patients taking clopidogrel showed *** significant associations were noted between clopidogrel resistance and recurrent ischaemic events.

关键词： patients cerebral function

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 Mathematical Model for Spread of COVID-19 in the World

引用

Journal of Applied Mathematics and Physics 2021年第8期9卷 1890-1895页

作者： Pirooz Mohazzabi Gabrielle richardson Gwendolyn richardson Department of Mathematics and Physics University of Wisconsin-Parkside Kenosha WI USA

In this article, the validity of a previously developed model for Coronavirus pandemic is verified by testing it against the global infection cases complied by the World Health Organization. The results further suppor... 详细信息

关键词： Coronavirus Pandemic World COVID-19

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 post-classical theory of enamel biomineralization… and why we need one

引用

International Journal of Oral Science 2012年第3期4卷 129-134页

作者： James P Simmer Amelia S richardson Yuan-Yuan Hu Charles E Smith Jan Ching-Chun Hu Department of Biologic and Materials Sciences School of Dentistry University of Michigan Ann Arbor USA Facility for Electron Microscopy Research Department of Anatomy and CellBiology and Faculty ofDentstry McGlIUniversity. Montreal Canada

Enamel crystals are unique in shape, orientation and organization. They are hundreds of thousands times longer than they are wide, run parallel to each other, are oriented with respect to the ameloblast membrane at the mineralization front and are organized into rod or interrod enamel. The classical theory of amelogenesis postulates that extracellular matrix proteins shape crystallites by specifically inhibiting ion deposition on the crystal sides, orient them by binding multiple crystallites and establish higher levels of crystal organization. Elements of the classical theory are supported in principle by in vitro studies; however, the classical theory does not explain how enamel forms in vivo. In this review, we describe how amelogenesis is highly integrated with ameloblast cell activities and how the shape, orientation and organization of enamel mineral ribbons are established by a mineralization front apparatus along the secretory surface of the ameloblast cell membrane.

关键词： ameloblastin amelogenin enamelin mineralization front tooth

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

More Transporters,More Substrates:The Arabidopsis Major Facilitator Superfamily Revisited

引用

Molecular Plant 2019年第9期12卷 1182-1202页

作者： Maria Nino-Gonzalez Esther Novo-Uzal Dale N.richardson Pedro M.Barros Paula Duque Instituto Gulbenkian de Ciencia 2780-156 OeirasPortugal Genomics of Plant Stress Unit ITQB NOVA-Instituto de Tecnologia Quimica e Biologica Antonio XavierUniversidade Nova de Lisboa2780-157 OeirasPortugal

The Major Facilitator Superfamily(MFS)is ubiquitous in living organisms and represents the largest group of secondary active membrane *** plants,significant research efforts have focused on the role of specific families within the MFS,particularly those transporting macronutrients(C,N,and P)that constitute the vast majority of the members of this *** MFS families remain less explored,although a plethora of additional substrates and physiological functions have been ***,the lack of a systematic approach to analyzing the MFS as a whole has obscured the high diversity and versatility of these ***,we present a phylogenetic analysis of all annotated MFS domaincontaining proteins encoded in the Arab/dops/s fA?a//ana genome and propose that this superfamily of transporters consists of 218 members,clustered in 22 *** reviewing the available information regarding the diversity in biological functions and substrates of Arab/dops/s MFS members,we provide arguments for intensified research on these membrane transporters to unveil the breadth of their physiological relevance,disclose the molecular mechanisms underlying their mode of action,and explore their biotechnological potential.

关键词： Arabidopsis thaliana membrane transport MFS transporters phylogenetic analysis

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

Highly Efficient L-Band Fibre -DFB Lasers

引用

光学学报 2003年第S1期23卷 379-380页

作者： Morten Ibsen David J. richardson David N. Payne ORC - University of Southampton Southampton SO17 1BJ United Kingdom. Also with Southampton Photonics Ltd. Southampton SO16 4NS United Kingdom.ORC - University of Southampton Southampton SO17 1BJ United Kingdom. Also with Southampton Photonics Ltd. Southampton SO16 4NS United Kingdom.ORC - University of Southampton Southampton SO17 1BJ United Kingdom. Also with Southampton Photonics Ltd. Southampton SO16 4NS United Kingdom.

A more than 12 mW highly efficient fibre-DFB laser operating at 1618.3 nm is fabricated and characterised. Its high-power, low-noise and single-polarisation characteristics make it very suitable WDM-source for L-band ... 详细信息

关键词： DFB Lasers high in for Highly Efficient L-Band Fibre WDM RIN

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

PAIN KILLERS How OxyContin Could Trigger a Second Opioid Epidemic in China

引用

城市漫步（GBA版） 2017年第7期 40-49页

作者： Betty richardson 不详

China's painful Subject It might have been stamped out during the Communist Party's efforts in the 20th century,but China's history with opium use still characterizes its attitudes towards pain relief to this *** having been used socially among China's elite idle rich since the Tang dynasty,by the early 1900s nearly 25 percent of the working male population were using opium,following defeat by British forces over the importation of the substanee.

关键词： spite since elite

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

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：