检索结果-南通市图书馆

Physiological strategies of moult-migrating Black-necked Grebes(Podiceps nigricollis)in a polluted staging site according to blood chemistry

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Avian Research 2023年第3期14卷 453-459页

作者： Juan A.Amat Nico Varo Marta I.Sanchez Andy J.Green Damaso Hornero-Mendez Juan Garrido-Fernandez Cristina ramo Departamento de Ecología y Evolucion Estacion Biologica de Donana(EBD-CSIC)41092SevillaSpain Independent researcher 41010SevillaSpain Departamento de Biología de la Conservacion y Cambio Global Estacion Biologica de Donana(EBD-CSIC)41092SevillaSpain Departamento de Fitoquímica de Alimentos Instituto de la Grasa(IG-CSIC)41013SevillaSpain

After breeding,Black-necked Grebes(Podiceps nigricollis)perform a moult-migration to autumn hypersaline staging sites,where they moult the flight feathers and forage on superabundant brine shrimp(Artemia spp.)before leaving for wintering *** the stay in moulting sites,the grebes experience changes in organs and muscle size(atrophy,hypertrophy),and almost double their body mass,which has been suggested to act as an insurance against a collapse in prey availability in late *** two years we collected blood samples from hundreds of individuals at one of the most important European moulting sites(the Odiel marshes,SW Spain),which is a highly polluted area due to mining drainage and chemical *** assessed the potential effect of moulting stage,day of the year and body condition on 16 blood biochemical *** of the changes in prey availability and body composition of grebes,we expected some physiological adjustments during *** levels of cholesterol suggested that birds in active moult increased foraging effort to face the costs of *** was increased amount of lactate dehydrogenase,corresponding to periods of breast muscle *** in active moult augmented protein ingestion,likely to account for the requirements of feather *** also show that the probability of fasting due to low prey availability increased late in the moulting season,as demonstrated by an increase in plasmaβ-hydroxy-butyrate.

关键词： Blood biochemistry Eared grebe Fasting Feather replacement Odiel marshes Waterbird

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

应用拟三维分析软件预测井塌和岩层破裂

国外钻井技术 1997年第4期12卷 17-22页

作者： ramo.,GG 陈平

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

减少煤在运输过程中离析和粉碎的实用价值

化工粉体工程设计 1999年第3期 42-45页

作者： ramo.,CM 陈琳玲

本文概述煤的离析在经济、技术和生态方面的问题，介绍南非煤炭工业所采用的一些标准设计；最后，讨论采用曲面溜槽来减少煤离析的方法。

关键词：煤运输过程离析粉碎溜槽

COVID-19 and Cardiovascular Disease—Two Pandemics, One Success

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Cardiovascular Diseases 2023年第4期13卷 236-242页

作者： Robert Philip Eaton Barry ramo.Martin Hickey David S. Schade Division of General Internal Medicine University of New Mexico School of Medicine Albuquerque NM USA New Heart Fitness and Health Albuquerque NM USA New Mexico State Senator Albuquerque NM USA

Background: COVID-19 has had a major impact on all facets of life in the United States. Its devastating effects have resulted in the mobilization of major resources, both at the national, state, and individual levels. This mobilization has resulted in vaccination, personal preventive measures, and new therapies to combat this illness. As a result, the rates of new infections, hospitalizations, and deaths have greatly diminished, minimizing the associated morbidity and mortality. Purpose: What has not been appreciated is that a more serious epidemic has continued unabated in the United States and the Western world. This article emphasizes the importance of a national effort to eradicate cardiovascular disease. Methods: Cardiovascular disease has caused more deaths than COVID-19 in almost all months since the COVID-19 epidemic was first recognized in December 2020. In fact, cardiovascular disease has caused more deaths than either all cancers combined or infections for the last two decades. The tragedy of this truth is that effective therapy is currently available for preventing and reversing cardiovascular disease at a very low cost. What is required is a concerted effort and commitment by all legislative and medical organizations to allocate the resources to abolish asymptomatic cardiovascular disease. Results: Recognition and mobilization of resources to combat this epidemic are much overdue with the resultant savings of lives and billions of dollars. It is past time for the medical establishment to support the national identification of asymptomatic cardiovascular disease and initiate treatment before patients become symptomatic with this deadly disease. Conclusion: The national experience with COVID-19 has demonstrated what can be accomplished when a national concerted effort is made to address a devastating medical epidemic. This commitment is not only feasible for cardiovascular disease, but is also necessary for the benefit of all people in the world.

关键词： Epidemic Cardiovascular COVID-19 Heart Attack Death Rate

Bacterial microcosms obey Taylor’s law:effects of abiotic and biotic stress and genetics on mean and variance of population density

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Ecological Processes 2012年第1期1卷 77-82页

作者： Oliver Kaltz Patricia Escobar-Páramo.Michael E Hochberg Joel E Cohen Institut des Sciences de l’Evolution UMR CNRS-UM2-IRD5554CC 065UniversitéMontpellier 2Place Eugène BataillonMontpellier Cedex 0534095France Centro Internacional de Física(CIF) Biotechnology GroupUniversidad Nacional de ColombiaCra 30 N°45-03BogotáDCColombia Laboratory of Populations Rockefeller and Columbia Universities1230 York AvenueBox 20New YorkNY10065-6399USA

Introduction:According to the empirical regularity called Taylor’s law,the variance of population density in samples of populations is a power of the mean population *** exponent is often between 1 and *** experiments investigated how genetics,evolution,and environment shape Taylor’s ***:Genetically different strains(wild type and hypermutator)of the bacterium Pseudomonas fluorescens evolved and were assayed under different environmental conditions(with and without antibiotic rifampicin and bacteriophage SBW252,separately and in combination).Results:Experimental treatments altered the exponent b,but not the power law form,of the relation between variance and mean population *** populations treated only with rifampicin had a narrow range of mean population densities and exponent b=*** exposed to rifampicin plus phage had b=*** ancestral,control,and phage-exposed populations,mean abundance varied widely and b was not significantly different from *** factors(mutation rate,selection)and ecological factors(abiotic,biotic)jointly influenced ***:Taylor’s power law relationship accurately and robustly described variance as a function of mean population density,with overall exponent b=*** and other experiments with different factors acting on bacterial population size support the relevance of models that predict‘universal’patterns of fluctuation scaling.

关键词： Taylor’s law Pseudomonas fluorescens rifampicin bacteriophage genetics

Recent Applications of Electrocoagulation in Treatment of Water and Wastewater—A Review

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Green and Sustainable Chemistry 2013年第2期3卷 89-121页

作者： Ville Kuokkanen Toivo Kuokkanen Jaakko ramo.Ulla Lassi Department of Chemistry University of OuluOuluFinland Thule Institute University of OuluOuluFinland Kokkola University Consortium Chydenius KokkolaFinland

During the last two decades, and particularly during the last few years, the environmental sector has shown a largely growing interest in the treatment of different types of water and wastewater by electrocoagulation (EC). The aim of this work was to review studies, conducted mainly during 2008-2011, on the wide and versatile range of feasible EC applications employed in the purification of different types of water and wastewater. The EC applications discussed here were divided into 7 following categories: tannery, textile and colored wastewater;pulp and paper industry wastewater;oily wastewater;food industry wastewater;other types of industrial wastewater;surface water as well as model water and wastewater containing heavy metals, nutrients, cyanide and other elements and ions. In addition, this paper presents an overview of the optimum process conditions (treatment times, current densities, and initial pH) and removal efficiencies (mostly high) achieved for the EC applications discussed. In the vast majority of the studies discussed in this review, the aforementioned values were found to be in the range of 5-60 min (typically less than 30 min), 10-150 A/m2 and near neutral pH, respectively. Both operating costs and electrical energy consumption values were found to vary greatly depending on the type of solution being treated, being between 0.004 -6.74 €/m3 and 0.002-58.0 kWh/m3, but in general they were rather low (typically around 0.1-1.0 €/m3 and 0.4-4.0 kWh/m3).

关键词： Electrochemistry Electrocoagulation(EC) Water Treatment Wastewater Purification Technoeconomic Evaluation

The Application of the LDL Principle

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Cardiovascular Diseases 2016年第5期6卷 109-125页

作者： David S. Schade Brendan Cavanaugh Barry ramo.R. Philip Eaton Division of Endocrinology DoIM School of Medicine University of New Mexico Albuquerque NM USA New Mexico Heart Institute Albuquerque NM USA

The LDL Principle has recently been invoked to describe the observation that lowering the LDL cholesterol (by whatever means) results in a lowering of atherosclerotic cardiovascular events. The scientific basis of the LDL Principle dates back to the discovery that the LDL receptor is the prime determinant of the circulating LDL-c concentration. Since that time, major advances have been made at both the basic and clinical science level in our understanding of the pathogenesis and reversal of atherosclerosis. The incorporation of atherogenic lipoproteins plus inflammatory mediators into plaque formation permits the targeted intervention into preventing plaque rupture. In addition, genetic studies identifying individuals with unique phenotypes of either abnormally high or low LDL-c concentrations have provided insight into possible therapeutic modalities that have recently provided the physician with the tools necessary to apply the LDL Principle to achieve reversal of atherosclerosis. The epidemic of atherosclerotic cardiovascular disease has resulted in numerous randomized controlled intervention trials in an attempt to identify approaches to reduce ASCD morbidity and mortality. Recently published data indicate that circulating LDL-c levels of 50 mg/dl or less are not only physiologic at birth but also effective in greatly reducing cardiovascular disease. In addition, the recent availability of two PCSK9 inhibitors provides the primary care physician with the possibility of achieving this low level of LDL-c even in statin intolerant patients. The widespread availability of the coronary artery calcium scan plus the inclusion of traditional cardiovascular risk factors in risk assessment has enabled the physician to readily identify asymptomatic individuals at high risk for cardiovascular events. Aggressively applying the LDL Principle to these individuals has the potential of greatly reducing cardiovascular mortality. This review will document the scientific basis for

关键词： LDL Principle Atherosclerosis Myocardial Infarction Atherosclerosis Reversal LDL Cholesterol

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

承载着猜疑和误解的中国

海外经济评论 2006年第40期 10-12页

作者： Joshua Cooper ramo

[美国《新闻周刊》9月25日]中国最重要的战略问题和挑战，包括经济运行状况和两岸问题，从根本上都与中国的国家形象密切相关。诸如中国吸引的外资质量、他国与中国分享最新技术的意愿以及中国公司在全球的扩张等其他问题，也都在某种... 详细信息

[美国《新闻周刊》9月25日]中国最重要的战略问题和挑战，包括经济运行状况和两岸问题，从根本上都与中国的国家形象密切相关。诸如中国吸引的外资质量、他国与中国分享最新技术的意愿以及中国公司在全球的扩张等其他问题，也都在某种程度上受到一个承载着猜疑和误解的国家形象的影响。

关键词：中国公司误解猜疑《新闻周刊》经济运行状况国家形象两岸问题外资质量

The Rationale for a Different Approach to Preventing Cardiovascular Disease

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Cardiovascular Diseases 2019年第7期9卷 489-510页

作者： David S. Schade Barry ramo.S. Scott Obenshain Ron Schrader R. Philip Eaton Division of Endocrinology Department of Internal Medicine University of New Mexico Health Sciences Center Albuquerque NM USA New Heart Fitness and Health Albuquerque NM USA Department of Pediatrics University of New Mexico Health Sciences Center Albuquerque NM USA Department of Mathematics University of New Mexico Albuquerque NM USA

The Problem: We have previously suggested that an alternative approach to preventing cardiovascular disease is necessary because atherosclerotic cardiovascular disease (ASCVD) has been increasing for the last 50 years and has now reached epidemic status. Since the year 2000, approximately 600,000 heart attacks and ASCVD related deaths have occurred annually in the United States. It is the most common cause of death in the U.S., more than all cancers combined. The financial costs are staggering, amounting to 555 billion dollars per year in direct and indirect costs. Outlook for an improvement in these statistics is not encouraging as the U.S. population continues to become more obese and to develop diabetes. The Question: Why is ASCVD continuing to be a major challenge to healthcare providers when the pathogenesis is known and inexpensive preventative treatment is available? The reasons are multiple and complex. First, present financial reimbursement policies of healthcare organizations reward treatment of a disease and its complications instead of preventing the disease. Second, professional guidelines and treatment goals are often too complex, subject to interpretation, and time-consuming to be useful in the clinical setting. Third, no specific follow-up of patients at risk for ASCVD is recommended when the risk assessment changes. Fourth, many expensive cardiovascular diagnostic tests are utilized without meeting appropriate guidelines for their use. Fifth, treatment of individuals without first proving the presence of disease results in poor adherence to therapy. The Solution: This article describes the rationale for a new approach to the prevention of ASCVD in asymptomatic individuals. It is based upon preventing ASCVD by identifying all asymptomatic individuals with subclinical disease before an ASCVD event occurs. It recommends that all adults be screened for ASCVD on or before the age of 50 using a non-invasive atherosclerosis specific coronary artery calcium

关键词： Cardiovascular Disease Preventing ASCVD