Results 11 to 20 of about 966,353 (288)

Scattering of Light from the Systemic Circulatory System [PDF]

open access: yesDiagnostics, 2020
There are many factors of methodological origin that influence the measurement of optical properties of the entire circulatory system which consists of blood as the basic component.
Sidra Batool   +4 more
doaj   +2 more sources

On the Morphology of the Drosophila Heart

open access: yesJournal of Cardiovascular Development and Disease, 2016
The circulatory system of Drosophila melanogaster represents an easily amenable genetic model whose analysis at different levels, i.e., from single molecules up to functional anatomy, has provided new insights into general aspects of cardiogenesis, heart
Barbara Rotstein, Achim Paululat
doaj   +1 more source

Investigation of a non-invasive venous blood flow measurement device

open access: yesCurrent Directions in Biomedical Engineering, 2019
Venous blood circulation can be restricted due to various conditions commonly indicating a related medical condition. However, current non-invasive methods for determining venous blood flow are limited to be either very inaccurate or expensive ...
Stewart Kent   +3 more
doaj   +1 more source

PENGEMBANGAN MULTIMEDIA PEMBELAJARAN INTERAKTIF MATERI SISTEM PEREDARAN DARAH UNTUK MENINGKATKAN MOTIVASI BELAJAR MAHASISWA PGSD

open access: yesKhazanah Pendidikan, 2022
The study aims to (1) produce interactive learning multimedia on circulatory system materials for android and windows that are in accordance with student needs, (2) determine the feasibility and effectiveness of interactive learning multimedia on ...
Anang Fathoni, Herman Dwi Surjono
doaj   +1 more source

Bifurcation of the roots of the characteristic polynomial and the destabilization paradox in friction induced oscillations [PDF]

open access: yesTheoretical and Applied Mechanics, 2007
Paradoxical effect of small dissipative and gyroscopic forces on the stability of a linear non-conservative system, which manifests itself through the unpredictable at first sight behavior of the critical non-conservative load, is studied.
Kirillov O.N.
doaj   +1 more source

THE CAUSES OF DEATH IN THE PROVINCE OF ROME BETWEEN 1981 AND 2007: A GEOGRAPHICAL ANALYSIS

open access: yesGeography, Environment, Sustainability, 2011
In this paper we provide an overview of the main causes of death in the province of Rome in 1981 and 2007, showing the most relevant variations which have been recorded over time.
Cristiano Pesaresi   +2 more
doaj   +1 more source

HOTS assessment in circulatory system learning: Validity, reliability, and item quality

open access: yesJPBI (Jurnal Pendidikan Biologi Indonesia), 2021
Biology learning, based on the curriculum-2013, requires students to be skilled at analyzing, evaluating, and creating to achieve Higher-Order Thinking Skills (HOTS). Thus, HOTS assessment instrument is crucial to be made.
Yosi Laila Rahmi   +3 more
doaj   +1 more source

Rotary mechanical circulatory support systems [PDF]

open access: yesJournal of Rehabilitation and Assistive Technologies Engineering. 2017;4:1-24, 2017
A detailed survey of the current trends and recent advances in rotary mechanical circulatory support systems is presented in this paper. Rather than clinical reports, the focus is on technological aspects of these rehabilitating devices as a reference for engineers and biomedical researchers.
arxiv   +1 more source

The Volume of Healthy Red Blood Cells is Optimal for Advective Oxygen Transport in Arterioles [PDF]

open access: yesarXiv, 2023
Red blood cells (RBCs) are vital for transporting oxygen from the lungs to the body's tissues through the intricate circulatory system. They achieve this by binding and releasing oxygen molecules to the abundant hemoglobin within their cytosol. The volume of RBCs affects the amount of oxygen they can carry, yet whether this volume is optimal for ...
arxiv  

Analysis of squeal noise and mode coupling instabilities including damping and gyroscopic effects [PDF]

open access: yesEuropean Journal of Mechanics - A/Solids 27, 2 (2008) 141-160, 2008
This paper deals with an audible disturbance known as automotive clutch squeal noise from the viewpoint of friction-induced mode coupling instability. Firstly, an auto-coupling model is presented showing a non-conservative circulatory effect originating from friction forces.
arxiv   +1 more source

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