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用陆地卫星TM6数据演算地表温度的单窗算法

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地理学报 2001年第4期56卷 456-466页

作者：覃志豪 Zhang Minghua Arnon Karnieli pedro Berliner Dept.of Land Air and Water ResourcesUniversity of Californiaat Davis j.Blaustein Inst.for Desert Research BenGurion University of the Negev

陆地卫星 TM数据 (TM6)热波段表示地表热辐射和地表温度变化。长期以来 ,从 TM6数据中演算地表温度通常是通过所谓大气校正法。这一方法需要估计大气热辐射和大气对地表热辐射传导的影响 ,计算过程很复杂 ,误差也较大 ,在实际中应用不... 详细信息

陆地卫星 TM数据 (TM6)热波段表示地表热辐射和地表温度变化。长期以来 ,从 TM6数据中演算地表温度通常是通过所谓大气校正法。这一方法需要估计大气热辐射和大气对地表热辐射传导的影响 ,计算过程很复杂 ,误差也较大 ,在实际中应用不多。根据地表热辐射传导方程 ,推导出一个简单易行并且精度较高的演算方法 ,把大气和地表的影响直接包括在演算公式中。该算法需要用地表辐射率、大气透射率和大气平均温度 3个参数进行地表温度的演算。验证表明 ,该方法的地表温度演算较高。当参数估计没有误差时 ,该方法的地表温度演算精度达到 <0 .4℃ ,在参数估计有适度误差时 ,演算精度仍达 <1 .1℃。因该方法适用于仅有一个热波段的遥感数据 ,故称为单窗算法。

关键词：地表温度热辐射 LandsatTM单窗算法亮度温度陆地卫星

Development of a warning score for early detection of colorectal anastomotic leakage:Hype or hope?

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World journal of Gastrointestinal Surgery 2022年第11期14卷 1297-1309页

作者： Nuno j G Rama Óscar Lourenço Patrícia C Motta Lima Maria pedro S Guarino Diana Parente Ricardo Castro Ana Bento Anabela Rocha Fernando Castro-Poças joão Pimentel Division of Colorectal Surgical Leiria Hospital CentreLeiria 2410-021Portugal Abel Salazar Biomedical Institute University of OportoOporto 4099-002Portugal Center for Innovative Care and Health Technology(ciTechCare) Polytechnic of LeiriaLeiria 2410-541Portugal Faculty of Economics CeBERUniversity of CoimbraCoimbra 3000-137Portugal Division of Clinical Pathology Leiria Hospital CentreLeiria 2410-541Portugal Division of Surgical Oporto Hospital CentreOporto 4099-001Portugal Department of Gastroenterology Santo António HospitalPorto Hospital CenterOporto 4099-001Portugal Institute of Biomedical Sciences Abel Salazar University of OPortoOporto 4099-001Portugal Faculty of Medicine University of CoimbraCoimbra 3004-531Portugal Division of Surgical Montes Claros HospitalCoimbra 3030-320Portugal

BACKGROUND Colorectal anastomotic leakage(CAL),a severe postoperative complication,is associated with high morbidity,hospital readmission,and overall healthcare *** detection of CAL remains a challenge in clinical ***,some decision models have been developed to increase the diagnostic accuracy of this *** To develop a score based on easily accessible variables to detect CAL *** Based on the least absolute shrinkage and selection operator method,a predictive classification system was developed[Early ColoRectAL Leakage(E-CRALL)score]from a prospective observational,single center cohort,carried out in a colorectal division from a non-academic *** score performance and CAL threshold from postoperative day(POD)3 to POD5 were *** on a precise analytical decision model,the standard clinical practice was compared with the E-CRALL adoption on POD3,POD4,or POD5.A cost-minimization analysis was conducted,on the assumption that all alternatives delivered similar health-related *** In this study,396 patients who underwent colorectal resection surgery with anastomosis,and 6.3%(n=25)developed *** of the patients who developed CAL(n=23;92%)were diagnosed during the first hospital admission,with a median time of diagnosis of 9.0±6.8 *** POD3 to POD5,the area under the receiver operating characteristic curve of the E-CRALL score was 0.82,0.84,and 0.95,*** POD5,if a threshold of 8.29 was chosen,87.4%of anastomotic failures were identified with E-CRALL ***,score usage could anticipate CAL diagnosis in an average of 5.2 d and 4.1 d,if used on POD3 and POD5,*** of score adoption,episode comprehensive costs were markedly greater(up to four times)in patients who developed CAL in comparison with patients who did not develop ***,the use of the E-CRALL warning score was associated with cost savings of€421442.20,with most(92.9%)of the savings from patients

关键词： Anastomotic leakage Colorectal Surgery Biomarkers Score Costs

Comparison of Data Screening Methods for Evaluating School-Level Fitness Patterns in Youth: Findings from the NFL PLAY 60 FITNESSGRAM Partnership Project

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Open journal of Preventive Medicine 2014年第11期4卷 876-886页

作者： pedro F. Saint-Maurice Gregory j. Welk Yang Bai Kelly Allums-Featherston Department of Kinesiology Iowa State University Ames USA School of Psychology-CIPsi University of Minho Braga Portugal NFL PLAY 60 FITNESSGRAM® Project The Cooper Institute&reg Dallas USA

Background: There has been a great interest in tracking health-related fitness across the United States. The NFL PLAY 60 FITNESSGRAM Partnership Project (NFL P60FGPP) is a large participatory research network that involves the surveillance of fitness among more than 1000 schools spread throughout the country. Fitness data are collected by school staff and therefore these data can vary in quality and representativeness. Therefore, careful screening procedures are needed to ensure that the data can reflect actual patterns in the schools. This study examined the impact of different data screening procedures on outcomes of aerobic fitness (AF) collected from the NFL P60FGPP. Methods: Data were compiled from 149,101 youth from 504 schools and were processed using the established age- and gender-specific AF FITNESSGRAM health-related standards. Data were subjected to three different screening procedures (based on grade size and boy-to-girl ratio per grade). Linear models were computed to obtain unadjusted and adjusted (for age, BMI-Z, and socio-economic status) estimates of % youth in the Healthy Fitness Zone (HFZ) in order to determine if, 1) there were differences in % in the HFZ and 2) if differences could be explained by changes in the representativeness of the sample due to the different data screening procedures. Results: Depending on the screening procedure used, the final sample ranged from 96,999 (no screening) to 46,572 youth (most stringent criteria). The proportion of youth achieving appropriate levels of AF ranged from 56% to 61% with unscreened data resulting in consistently lower percentages of youth achieving the standard (P < 0.05). Overall, these differences were not explained by possible changes in demographic characteristics as the result of applying different screening criteria. Conclusions: The findings demonstrate the importance of establishing appropriate screening procedures that maximize sample size while also ensuring generalizability of the fin

关键词： Aerobic Fitness Assessment Data Reduction Public Health Surveillance

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天然气直接制备的热处理气氛

热处理技术与装备 1986年第4期 39-44页

作者： j.C.rey 杜赓林南京机械专科学校

1. 前言渗碳用的热处理气氛通常是空气和碳氢气体混合物于装有催化剂的吸热气体发生器中分解的产物。本文提出的气氛制备新方法促进了热处理的实际进程。这种新技术的研究成果,不仅节能和降低成本;并且保证质量,获得最佳盈利。测量和控... 详细信息

1. 前言渗碳用的热处理气氛通常是空气和碳氢气体混合物于装有催化剂的吸热气体发生器中分解的产物。本文提出的气氛制备新方法促进了热处理的实际进程。这种新技术的研究成果,不仅节能和降低成本;并且保证质量,获得最佳盈利。测量和控制方法发生了巨大变化。用氧探头测量碳势是一种最新技术,可用于控制由天然气和空气混合物在炉内直接分解形成的渗碳气氛。

关键词：碳势电动势第一阶段氧探头渗碳处理表面层渗碳层混合气体天然气热处理气氛直接制备

A Common Peptidolytic Mechanism for Targeting Peptide Degradation in Mitochondria and Chloroplasts

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Molecular Plant 2018年第2期11卷 342-345页

作者： Beata Kmiec Rui M.M. Branca Monika W. Murcha janne Lehtio Elzbieta Glaser pedro F. Teixeira Department of Biochemistry and Biophysics Stockholm University Arrhenius Laboratories for Natural Sciences 106 91 Stockholm Sweden Clinical Proteomics Mass Spectrometry Department of Oncology-Pathology Science for Life Laboratory and Karolinska Institutet Stockholm Sweden ARC Centre of Excellence in Plant Energy Biology University of Western Australia Crawley WA Australia School of Molecular Sciences University of Western Australia Crawley WA Australia

Dear Editor Mitochondria are multifunctional organelles of eukaryotic cells. Biogenesis and functionality of mitochondria require the import of more than 90% of its resident proteins after synthesis by cytosolic ribos... 详细信息

关键词： PRESEQUENCES PREP

Modelling fuel loads of understorey vegetation and forest floor components in pine stands in NW Spain

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Forest Ecosystems 2022年第6期9卷 775-789页

作者： jose A.Vega Stefano Arellano-Perez juan Gabriel Alvarez-Gonzalez Cristina Fernandez Enrique jimenez pedro Cuinas jose María Fernandez-Alonso Daniel j.Vega-Nieva Fernando Castedo-Dorado Cecilia Alonso-Rego Teresa Fontúrbel Ana Daría Ruiz-Gonzalez Centro de Investigacion Forestal de Lourizan PO Box 12736080PontevedraSpain Unidad de Gestion Ambiental y Forestal Sostenible(UXAFORES) Departamento de Ingeniería AgroforestalEscuela Politecnica Superior de IngenieríaUniversidad de Santiago de CompostelaCampus Universitario s/n27002LugoSpain Facultad de Ciencias Forestales Universidad Juarez del Estado de DurangoRío Papaloapan y Blvd.Durango s/nCol.Valle del Sur34120DurangoMexico Departamento de Ingeniería y Ciencias Agrarias Universidad de LeonCampus de Ponferrada24401PonferradaSpain

In this study,310 destructively sampled plots were used to develop two equation systems for the three main pine species in NW Spain(***;*** and ***):one for estimating loads of understorey fuel components by size and condition(live and dead)and another one for forest floor *** systems of equations were simultaneously fitted for estimating fuel loads using overstorey,understorey and forest floor variables as *** systems of equations included both the effect of pine species and the effect of understorey compositions dominated by ferns-brambles or by woody species,due to their obvious structural and physiological *** general,the goodness-of-fit statistics indicated that the estimates were reasonably robust and accurate for all of the fuel *** best results were obtained for total understorey vegetation,total forest floor and raw humus fuel loads,with more than 76%of the observed variability explained,whereas the poorest results were obtained for coarse fuel loads of understory vegetation with a 53%of observed variability *** reduce the overall costs associated with the field inventories necessary for operational use of the models,the additive systems were fitted again using only overstorey variables as potential *** relationships for fine(rey vegetation and total forest floor fuel loads were obtained,indicating the complexity of the forest overstorey-understorey and overstorey-forest floor ***,these models explained around 52%of the observed ***,equations estimating the total understorey vegetation and the total forest floor fuel loads based only on canopy cover were *** models explained only 26%-32%of the observed variability;however,their main advantage is that although understorey vegetation in forested landscapes is largely invisible to remote sensing,canopy cover can be estimated with moderate accuracy,allowin

关键词： Area-based approach Additive equation systems Live and dead fine fuel Pinus pinaster Pinus radiata Pinus sylvestris

Kinetics and thermodynamic studies of Methyl Orange removal by polyvinylidene fluoride-PEDOT mats

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journal of Environmental Sciences 2021年第2期33卷 62-73页

作者： Romario j.da Silva Lizeth Carolina Mojica-Sanchez Filipe D.S.Gorza Graciela C.pedro Bruna G.Maciel Gabriela P.Ratkovski Herica D.daRocha Kamila T.O.do Nascimento juan CMedina-Llamas Alicia E.Chavez-Guajardo jose j.Alcaraz-Espinoza Celso P.de Melo Program a de Pos-Graduagao em Ciencia de Materials U niversidade Federal de Pernambuco50670-901 RecifePEBrazil Departamento de Ffsica Uniuersidade Federal de Pemambiico50670-901 Reci/ePEBrazil Centro de Estudios Cientificosy Tecnologicos No.18 Instituto Politecnico Nacional98160 ZacatecasZacMexico Unidad Academica de Ciencias de la Tierra Uniuersidad Aut6noma de Zacatecas98058 ZacatecasZacMexico Departamento de Quimica Universidad Autonoma Metropolitana09340Ciudad de MexicoMexico

We report the preparation of poly(3,4-ethylene dioxythiophene)(PEDOT)-modified polyvinylidene fluoride electrospun fibers and their use as a novel adsorbent material for the removal of the anionic dye Methyl Orange(MO)from aqueous *** novel adsorbent material can be used to selectively remove MO on a wide p H range(3.0-10.0),with a maximum capacity of 143.8 mg/g at p H *** used in a recirculating filtration system,the maximum absorption capacity was reached in a shorter time(20 min)than that observed for batch mode experiments(360 min).Based on the analyses of the kinetics and adsorption isotherm data,one can conclude that the predominant mechanism of interaction between the membrane and the dissolved dye molecules is ***,considering the estimated values for the Gibbs energy,and entropy and enthalpy changes,it was established that the adsorption process is spontaneous and occurs in an endothermic *** good mechanical and environmental stability of these membranes allowed their use in at least 20 consecutive adsorption/desorption cycles,without significant loss of their *** suggest that the physical-chemical characteristics of PEDOT make these hybrid mats a promising adsorbent material for use in water remediation protocols and effluent treatment systems.

关键词： Electrospinning Composite mats Pedot Pvdf mats Dye removal Water remediation

Nutritional evaluation of integral cassava root silages for growing pigs

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Animal Nutrition 2016年第3期2卷 149-153页

作者： Diego D.Araújo Alessandro B.Amorim Mayra A.D.Saleh Felipe Curcelli pedro L.Perdigón Silvio j.Bicudo Dirlei A.Berto Department of Animal Production Faculty of Animal Science and Veterinary Medicine UNESP-So Paulo State University Institute of Agricultural Sciences and Technologies Federal University of Mato Grosso Department of Crop Science Faculty of Agricultural Sciences UNESP-So Paulo State University Instituto de Ciencia Animal (ICA)

The experiment aimed at determining the nutritional value of integral cassava root silages with yogurt as inoculant or wastewater(manipueira) by liquid addition ensiling process. Eighteen crossbred piglets(Large White x Landrace), castrated males with an initial average weight of 50 kg were allocated in metabolism cages throughout 11-day trial duration(6 days for animal's adaptation to the cages and to the experimental diets, and 5 days of urine and faeces collection). The experimental design was a randomized block arrangement with 3 treatments and 6 replicates: basal diet(100%); mixture composed of75% basal diet and 25% integral cassava root silage with yogurt as inoculant; a mixture composed of 75%of basal diet and 25% integral cassava root silage with wastewater. The silages with wastewater and yogurt presented the following values of apparent digestibility of dry matter 89.96% and 90.01%,apparent digestibility of crude protein of 60.67% and 66.43%, apparent digestibility of gross energy of90.43% and 91.48%, gross energy metabolizability coefficients of 87.88% and 88.93%, digestible energy values of 3,705 and 3,783 kcal/kg on a dry matter(DM) basis, and metabolizable energy values of 3,600 and 3,676 kcal/kg DM, respectively. The results have demonstrated that integral cassava root silages with wastewater or yogurt have a high nutritional value and can be used as an alternative energy source in growing pig's diets.

关键词： Alternative feed Digestibility Energy sources Ensiling Swine

Distinct and combined impacts of climate and land use scenarios on water availability and sediment loads for a water supply reservoir in northern Morocco

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International Soil and Water Conservation Research 2020年第2期8卷 141-153页

作者： Fatiha Choukri Damien Raclot Mustapha Naimi Mohamed Chikhaoui joao pedro Nunes Frédéric Huard Cécile Hérivaux Mohamed Sabir Yannick Pépin IAV Hassan II Department of Natural Resources and EnvironmentMadinat Al IrfaneRabatMorocco LISAH Univ MontpellierINRAEIRDInstitut AgroMontpellierFrance CE3C-Centre for Ecology Evolution and Environmental ChangesFaculdade de CienciasUniversidade de Lisboa1749-016LisboaPortugal INRAE-AgroClim 228 Route de l’AérodromeCS 4050984914AvignonCedex 9France BRGM Univ Montpellier1039 Rue de Pinville34000MontpellierFrance ENFI bd Moulay YoussefTabriquetSALEMorocco

The objective of this study was to examine the impacts of climate and land use changes on wateravailability and sediment loads for a water supply reservoir in northern Morocco using data-intensive simulation models in a data-scarce region. Impacts were assessed by comparing the simulated water and sediment entering the reservoir between the future period 2031-2050 and the 1983-2010 reference period. Three scenarios of land use change and two scenarios of climate change were developed in the Tleta watershed. Simulations under current and future conditions were performed using the Soil and Water Assessment Tool (SWAT) model. The simulations showed that climate change will lead to a sig-nificant decrease in the annual water supply to the reservoir (-16.9% and -27.5%) and in the annual volume of sediment entering the reservoir (-7.4% and -12.6%), depending on the climate change sce-narios tested. The three scenarios of land use change will lead to a moderate change in annual water inflow into the reservoir (between-6.7% and +6.2%), while causing a significant decrease in sediment entering the reservoir (-37%to-24%). The combined impacts of climate and land use changes will cause a reduction in annual water availability (-9.9%to-33.3%) and sediment supplies (-28.7%to-45.8%). As a result, the lifetime of the reservoir will be extended, but at the same time, the risk of water shortages will increase, especially from july to March. Therefore, alternative water resources must be considered.

关键词： Climate change Land use change SWAT Runoff Reservoir management Morocco