We address a novel approach for stochastic individual-based modelling of single species population. Individuals are distinguished by their remaining lifetimes, which regulated the interplay between inexorable running time and individual's nourishment history. A food-limited environment induces intraspecific competition henceforth carrying capacity medium may be finite, often emulating qualitati...

THE RECENT report of the Interdepar tmental Committee to Coordinate Health and Welfare Activities, which was submitted by the President to the Congress,1 has focused Nation-wide a t tention both on the serious unmet needs for medical service prevailing in this country and on the necessity for developing a national health program. Corroborative evidence of the lack of adequate medical care for n...

The survey was made possible as the result of the cooperation of the War Manpower Commission and State employment security agencies. The Bureau of Employment Security wishes to express its appreciation to the State agencies for their cooperation in conducting the study and to the staff members of the War Manpower Commission, and to the members of the special subcommittee of the Interstate Confe...

planning for productivity factors of engineering resources is the main concern that should be addressed in the training and engineering management in different organizations. productivity of engineering resources, which eventually results in the organizational productivity, may be viewed from different perspectives. one of the best approaches is to study the engineering resources productivity w...

Criteria of personal resources are proposed: 1) a person can manage them, 2) they complementary to everyday life, 3) there is evidence their effectiveness in the literature. Thirteen have been identified. The test subjects men from 36 60 years old, women 55 old. Methods: assessment biological age terms health indicators, questionnaire resources, methods for assessing individuality. An analysis ...

BACKGROUND The aim of this study was to explore the relationships between job demands, job resourses, personal resourses and job satisfaction and to assess the usefulness of the Job Demands-Resources (JD-R) model in the explanation of these phenomena. MATERIALS AND METHODS The research was based on a sample of 500 social workers. The "Psychosocial Factors" and "Job satisfaction" questionnaire...