Y2002-63408-392 0318557万维网基于区域的图像搜索引擎=A world wide webregion-based image search engine〔会,英〕/Kompatsiaris,I.& Triantafyllou,E.//11th International Conferenceon Image Analysis and Processing.-392～...Y2002-63408-392 0318557万维网基于区域的图像搜索引擎=A world wide webregion-based image search engine〔会,英〕/Kompatsiaris,I.& Triantafyllou,E.//11th International Conferenceon Image Analysis and Processing.-392～397(HE)Y2002-63408-398 0318558基于内容的图像检索的纹理分类=Texture classifica-tion for content-based image retrieval〔会,英〕/Pirrone,R.& La Cascia,M.//11th International Conference onImage Analysis and Processing.-398～403(HE)展开更多
Y2001-62853-1814 0207453雷达多目标跟踪的最佳数据相联研究=A Study of op-timal data association for multi-target tracking of radar[会.英]/Lee,Y.-W.& Na,H.-S.//2000 5<sup>th</sup> Inter-national Canferenc...Y2001-62853-1814 0207453雷达多目标跟踪的最佳数据相联研究=A Study of op-timal data association for multi-target tracking of radar[会.英]/Lee,Y.-W.& Na,H.-S.//2000 5<sup>th</sup> Inter-national Canference on Signal Processing Proceedings,Vol.Ⅲ of Ⅲ.-1814～1817（HE）展开更多
Objective：To evaluate all the possible therapeutic measures concerning the acute management of traumatic brain injury（TBI）mentioned in Cochrane Systematic Reviews published in the Cochrane Database of Systematic Re...Objective：To evaluate all the possible therapeutic measures concerning the acute management of traumatic brain injury（TBI）mentioned in Cochrane Systematic Reviews published in the Cochrane Database of Systematic Reviews（CDSR）.Methods：An exhausted literature search for all published Cochrane Systematic Reviews discussing therapeutic rather than prevention or rehabilitative interventions of TBI was conducted.We retrieved such databases as CDSR and Cochrane Injury Group,excluded the duplications,and eventually obtained 20 results,which stand for critical appraisal for as many as 20 different measures for TBI patients.The important data of each systematic review,including total population,intervention,outcome,etc,were collected and presented in a designed table.Besides,we also tried to find out the possible weakness of these clinical trials included in each review.Results：Analysis of these reviews yielded meanfuling observations：（1）The effectiveness of most ordinary treatments in TBI is inconclusive except that corticosteroids are likely to be ineffective or harmful,and tranexamic acid,nimodipine and progesterone show a promising effect in bleeding trauma,traumatic subarachnoid hemorrhage,TBI or severe TBI.（2）A majority of the systematic reviews include a small number of clinical trials and the modest numbers of patients,largely due to the uncertainty of the effectiveness.（3）The quality of most trials reported in the systematic reviews is more or less questionable.（4）In addition,lots of other complex factors together may lead to the inconclusive results demonstrated in the Cochrane Systematic Reviews.Conclusions：For clinical physicians,to translate these conclusions into practice with caution is essential.Basic medication and nursing care deserve additional attention as well and can be beneficial.For researchers,high quality trials with perfect design and comprehensive consideration of various factors are urgently required.展开更多
GLO-PEM is driven by soil moisture data of AMSR-E and PAR(Photosynthetically active radiation) which is retrieved from MODIS atmospheric data product in this paper.Using remote sensing data can overcome uncertainty br...GLO-PEM is driven by soil moisture data of AMSR-E and PAR(Photosynthetically active radiation) which is retrieved from MODIS atmospheric data product in this paper.Using remote sensing data can overcome uncertainty brought from interpola-tion of precipitation and PAR.Comparing with observed radiation data,PAR retrieved by remote sensing is in high accuracy in this study.RMSE is 9 and 19.68 W m 2 and R2 is 0.89 and 0.67 respectively.As a result of GLO-PEM,annual total amount of NPP of Qinghai-Tibet Plateau is 0.37 Pg C a-1 in 2005 2008.There is a significant linear relationship between field and simu-lated NPP.Determination coefficient reached 0.93.NPP is decrease from southeast to northwest in the Qinghai-Tibet Plateau.NPP changes from 0 to 1500 g C m-2 a-1.There is different limit factors of vegetation growth in west and east plateau.In the west of 450 mm rainfall line,the limit factors is precipitation.In the east of 450 mm rainfall line,temperature is the dominated factor of vegetation growth.展开更多
文摘Y2002-63408-392 0318557万维网基于区域的图像搜索引擎=A world wide webregion-based image search engine〔会,英〕/Kompatsiaris,I.& Triantafyllou,E.//11th International Conferenceon Image Analysis and Processing.-392～397(HE)Y2002-63408-398 0318558基于内容的图像检索的纹理分类=Texture classifica-tion for content-based image retrieval〔会,英〕/Pirrone,R.& La Cascia,M.//11th International Conference onImage Analysis and Processing.-398～403(HE)
文摘Y2001-62853-1814 0207453雷达多目标跟踪的最佳数据相联研究=A Study of op-timal data association for multi-target tracking of radar[会.英]/Lee,Y.-W.& Na,H.-S.//2000 5<sup>th</sup> Inter-national Canference on Signal Processing Proceedings,Vol.Ⅲ of Ⅲ.-1814～1817（HE）
文摘Objective：To evaluate all the possible therapeutic measures concerning the acute management of traumatic brain injury（TBI）mentioned in Cochrane Systematic Reviews published in the Cochrane Database of Systematic Reviews（CDSR）.Methods：An exhausted literature search for all published Cochrane Systematic Reviews discussing therapeutic rather than prevention or rehabilitative interventions of TBI was conducted.We retrieved such databases as CDSR and Cochrane Injury Group,excluded the duplications,and eventually obtained 20 results,which stand for critical appraisal for as many as 20 different measures for TBI patients.The important data of each systematic review,including total population,intervention,outcome,etc,were collected and presented in a designed table.Besides,we also tried to find out the possible weakness of these clinical trials included in each review.Results：Analysis of these reviews yielded meanfuling observations：（1）The effectiveness of most ordinary treatments in TBI is inconclusive except that corticosteroids are likely to be ineffective or harmful,and tranexamic acid,nimodipine and progesterone show a promising effect in bleeding trauma,traumatic subarachnoid hemorrhage,TBI or severe TBI.（2）A majority of the systematic reviews include a small number of clinical trials and the modest numbers of patients,largely due to the uncertainty of the effectiveness.（3）The quality of most trials reported in the systematic reviews is more or less questionable.（4）In addition,lots of other complex factors together may lead to the inconclusive results demonstrated in the Cochrane Systematic Reviews.Conclusions：For clinical physicians,to translate these conclusions into practice with caution is essential.Basic medication and nursing care deserve additional attention as well and can be beneficial.For researchers,high quality trials with perfect design and comprehensive consideration of various factors are urgently required.
基金supported by the National Basic Research Program of Chi-na (Grant Nos.2009CB421105,2010CB951600 and 2010CB950900)the National Science and Technology Key Project Support Program (Grant No.2009BAC61B01)
文摘GLO-PEM is driven by soil moisture data of AMSR-E and PAR(Photosynthetically active radiation) which is retrieved from MODIS atmospheric data product in this paper.Using remote sensing data can overcome uncertainty brought from interpola-tion of precipitation and PAR.Comparing with observed radiation data,PAR retrieved by remote sensing is in high accuracy in this study.RMSE is 9 and 19.68 W m 2 and R2 is 0.89 and 0.67 respectively.As a result of GLO-PEM,annual total amount of NPP of Qinghai-Tibet Plateau is 0.37 Pg C a-1 in 2005 2008.There is a significant linear relationship between field and simu-lated NPP.Determination coefficient reached 0.93.NPP is decrease from southeast to northwest in the Qinghai-Tibet Plateau.NPP changes from 0 to 1500 g C m-2 a-1.There is different limit factors of vegetation growth in west and east plateau.In the west of 450 mm rainfall line,the limit factors is precipitation.In the east of 450 mm rainfall line,temperature is the dominated factor of vegetation growth.
