Early dynamical world models: A historical review
نویسندگان
چکیده
منابع مشابه
Pitch perception models - a historical review
This paper analyzes theories and models of pitch from a historical perspective. Pythagoras is credited with the first ”psychophysical” model, the monochord, that he used to formulate a law that links a physical quantity (ratio of string lengths) to a psychological quantity (musical interval). The relation between pitch itself and frequency emerged progressively with Aristoxenos, Boethius, Merse...
متن کاملStereotactic Radiosurgery/Radiotherapy: A Historical Review
"Stereotactic" is an exact radiotherapy treatment modality which implements invasive and non-invasive facilities for improving precise dose delivery. Stereotactic refers to three-dimensional localization of a specific point in space by a unique set of coordinates that relate to a fixed external reference frame. An accurate delivery of radiation is attainable using these techniques with high pre...
متن کاملHistorical Review EARLY HISTORY OF IRON DEFICIENCY
Iron deficiency has been described as ‘probably the most frequent nutritional deficiency in the world’ with perhaps 2 billion individuals across the world suffering the most obvious outcome – iron deficiency anaemia (IDA) (Hallberg et al, 2000). In its more severe forms, IDA leads to significant symptomatology and is accompanied by profound pallor. Yet anaemia as a specific cause of pallor seem...
متن کاملChild Mortality at Different World Regions: A Comparison Review
The loss of a child is a tragedy - families suffer and human potential is wasted. 6.3 million children under the age of five died in 2013, nearly 17 000 every day. Most deaths among children aged one to five years are due to diseases that can be prevented, but that can also be easily treated at home or in health facilities. Leading causes of death in under-five children are preterm birth compli...
متن کاملChild Maltreatment in the World: A Review Article
Child abuse is a recognized public health and social problem worldwide. According to the World Health Organization (WHO), child abuse includes all forms of physical and/or emotional ill-treatment, sexual abuse, neglect and negligent treatment and exploitation. Child maltreatment is a global problem with serious life-long consequences. In spite of recent national surveys in several low- and midd...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Proceedings of the International Astronomical Union
سال: 2009
ISSN: 1743-9213,1743-9221
DOI: 10.1017/s1743921311002262