نتایج جستجو برای: ie composition and configuration composition indices quantify number

تعداد نتایج: 16917272  

2011

Spectroscopic Imaging Tufts, L; Shet Vishnudas, K; Majumdar, S; +Li, X University of California, Berkeley, CA, +University of California, San Francisco, CA [email protected] INTRODUCTION: Osteoarthritis is a multifactorial disease affecting not only cartilage but also other tissues in the joint including bone and bone marrow, and abnormal marrow lipid amount and composition may also contribu...

2018
Rong Zhang Sheng-Yong Dong Fei Wang Cong Ma Xiao-Lan Zhao Qiang Zeng Ao Fei

Background Obesity induces dyslipidemia, hypertension, glucose intolerance, and inflammatory state, which results in atherogenic processes, diabetes, and cardiovascular disease. We usually use body composition indices, such as body mass index (BMI), body fat percentage (BFP), waist circumference-height ratio (WHtR), and waist-hip ratio (WHR) to reflect the obesity. The aim of this large populat...

Journal: :Ecology 2010
G F Veen Han Olff Henk Duyts Wim H van der Putten

Abiotic soil properties, plant community composition, and herbivory all have been reported as important factors influencing the composition of soil communities. However, most studies thus far have considered these factors in isolation, whereas they strongly interact in the field. Here, we study how grazing by vertebrate herbivores influences the soil nematode community composition of a floodpla...

Journal: :The Journal of animal ecology 2007
S R Davis A G Brown M H Dinnin

1. Floodplain environments are increasingly subject to enhancement and restoration, with the purpose of increasing their biodiversity and returning them to a more 'natural' state. Defining such a state based solely upon neoecological data is problematic and has led several authors to suggest the use of a palaeoecological approach. 2. Fossil Coleopteran assemblages recovered from multiple palaeo...

2013
Alicia Torregrosa Maxwell D. Taylor Lorraine E. Flint Alan L. Flint

Bioclimates are syntheses of climatic variables into biologically relevant categories that facilitate comparative studies of biotic responses to climate conditions. Isobioclimates, unique combinations of bioclimatic indices (continentality, ombrotype, and thermotype), were constructed for northern California coastal ranges based on the Rivas-Martinez worldwide bioclimatic classification system ...

2016
Tilahun Nigatu Haregu Samuel Oti Thaddaeus Egondi Catherine Kyobutungi

BACKGROUND As a result of both genetic and environmental factors, the body composition and topography of African populations are presumed to be different from western populations. Accordingly, globally accepted anthropometric markers may perform differently in African populations. In the era of rapid emergence of cardio-vascular diseases in sub-Saharan Africa, evidence about the performance of ...

Journal: Gas Processing 2014

  A refrigeration cycle is a chain of various pieces of equipment including compressors, condensers, evaporators, and expansion devices each of which takes on a particular thermodynamic process duty in the cycle that eventually results in the production of the required refrigeration. The results of optimized mixed refrigerant cycles (MRCs) in Part I show that the configuration of MRC is an eff...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2007
ali valadkhani mohammad shahrokhi

in general, the objective of distillation control is to maintain the desired products quality. in this paper, the performances of different one point control strategies for an aromatic distillation column have been compared through dynamic simulation. these methods are: a) composition control using measured composition directly. this method sufferes from large sampling delay of measuring device...

2001
Sigurd Skogestad Manfred Morari

The effectiveness of disturbance suppression in a multivariable control system can depend strongly on the direction of the disturbance. The “disturbance condition number” is introduced to quantify the effect of disturbance direction on closed-loop performance. As an example a two-point composition control system for a distillation column is analyzed for various disturbance and set-point changes.

Reforestation is one of the Philippines’ government efforts to restore and rehabilitate degraded mangrove ecosystems. Although there is recovery of the ecosystem in terms of vegetation, the recovery of closely-linked faunal species in terms of community structure is still understudied. This research investigates the community structure of mangrove crabs under two different management schemes: p...

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