نتایج جستجو برای: life table
تعداد نتایج: 856838 فیلتر نتایج به سال:
abstract present research considered to examine and compare shahrray 14 years girls and boys narrative concerning with their responsibilities in this research, statistical society are 14 years girls and boys of shahrry . for performing this research. first, 14 years of 50 boys and 50 girls were selected in accidental method and have filled memati hormaled adolescents responsibility questioner...
predatory damsel bug, nabis pseudoferus remane has a high density in the alfalfa fields and feeds on different types of prey. in this study, biological properties and life table statistics of n. pseudoferus by feeding on melon aphids have been determined under controlled conditions (at 25±1˚c, 60±10% relative humidity and under a photoperiod of 16h light/ 8h dark). data analysis carried out bas...
Background and purpose: One of the most important subjects of the science of demography that is demanded by socio-economics planners, is the life table. The outline of this table- life expectancy- shows the change process of this index during time and consequently the health system performance. Material and Methods: In fact, the study is a epidemiologic explanation and we collected its relatin...
to provide reliable information concerning reproductive potential of hippodamia variegata goeze and its prey (aphis fabae), their related life tables were studied under controlled laboratory conditions (at 23?c). the unprocessed data of life tables were analyzed taking the euler-lotka as the basis model. standard error of population growth parameters was calculated using the jackknife re-sampli...
Several Indonesian life insurance companies recently faced financial problems due to inadequate pricing and idealistic investment expectation. Growing market insurtech implementation might lead worse conditions in the future. The current mortality table return assumption are too ideal, so more conservative assumptions required get a reasonable annual pure premium range. This research estimated ...
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