Results 41 to 50 of about 4,292,978 (305)

Sustainability analysis of agricultural systems

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2004
The main aim of this research is to propose an evaluation method as a tool for measurement of sustainable development in agriculture. The research has three parts: 1) indication, 2) evaluation and 3) application.
Ladislav Hanuš
doaj   +1 more source

Portable circuit-interruption indicator [PDF]

open access: yes, 1971
Device locates transient power interruptions occurring in electrical equipment. Indicator operates on principle that circuit in normal use retains residual current in the line prior to an ...
Bezant, K. R.
core   +1 more source

Chromospheric activity as age indicator

open access: yes, 2013
Chromospheric activity has been calibrated and widely used as an age indicator. However, it has been suggested that the viability of this age indicator is, in the best case, limited to stars younger than about 1.5 Gyr.
Anthony-Twarog   +44 more
core   +1 more source

Testing a Fast Dynamical Indicator: The MEGNO [PDF]

open access: yes, 2011
To investigate non-linear dynamical systems, like for instance artificial satellites, Solar System, exoplanets or galactic models, it is necessary to have at hand several tools, such as a reliable dynamical indicator.
Cincotta, Pablo   +2 more
core   +3 more sources

Clinical Insights Into Hypercalcemia of Malignancy in Childhood

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Hypercalcemia of malignancy (HCM) is a rare but life‐threatening metabolic emergency in children that occurs in less than 1% of pediatric cancer cases, with a reported incidence ranging from 0.4% to 1.0% across different studies. While it is observed in 10%–20% of adult malignancies, pediatric HCM remains relatively uncommon.
Hüseyin Anıl Korkmaz
wiley   +1 more source

Film advance indicator [PDF]

open access: yes, 1982
A film advancement indicator which includes an optical sensor that detects the rotational movement of a disc that rotates only when the film advance is described. When the film does not advance, an indicator light is activated.
Dreisbach, F. W.   +2 more
core   +1 more source

Survival Outcomes and Complications Among Canadian Children With Retinoblastoma: A Population‐Based Report From CYP‐C

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose Retinoblastoma (RB) is the most common pediatric ocular cancer, yet population‐based data on survival and risk factors remain limited. This study aimed to describe survival in a large national RB cohort and identify predictors of death and complications.
Samuel Sassine   +14 more
wiley   +1 more source

Evaluation and Ranking of Universities in Tehran with the Emphasis on the State of the University Ranking Systems [PDF]

open access: yesپژوهش‌نامۀ انتقادی متون و برنامه‌های علوم انسانی, 2017
The aim of this study was to evaluate and rank the universities in Tehran with the emphasis on the state of the university ranking systems. This is an applied and descriptive-analytic study.
Omidifar Reza   +3 more
doaj  

FINDING STUDY ON THE CORRELATION BETWEEN THE INDICES OF PHYSICAL DEVELOPMENT OF PRIMARY SCHOOL STUDENTS [PDF]

open access: yesAnnals of the “Ştefan cel Mare” University: Physical Education and Sport Section - The Science and Art of Movement, 2021
Sustained research into the morphological and functional growth and development of children is one of the tasks of great responsibility of parents, doctors and teachers.
Grosu Bogdan-Marius
doaj  

Fatigue failure load indicator [PDF]

open access: yes, 1979
An indicator for recording the load at which a fatigue specimen breaks during the last cycle of a fatigue test is described. A load cell is attached to the specimen which is alternately subjected to tension and compression loads.
Davis, D. C., Davis, W. T., Imig, L. A.
core   +1 more source

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