生命表
- 网络lifetable;the life table
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该文将具体介绍如何由最基本的生命表出发,利用Excel完成其它所有生命表函数及替换函数的计算;
This article first introduces how to construct the whole life table from the most basic function and calculate commutation functions by Excel .
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本文还组建了包括成虫期的生命表(lx)和产雌特征生命表(mx),计算了不同温度下种群的内禀增长力(rm)和稳定年龄组配。
The life table and age schedule of the females birth ( m_x ) was constructed and the innate capacities for increase as important population parameters were also calculated under five temperatures .
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两种IUD的临床使用效果经生命表法统计,含药宫铜IUD与宫铜IUD使用一年续用率分别为每百妇女98.03和97.95。
Result : The 12 months continuation rate of both IUDs were 98.03 and 97.95 per 100 women respectively .
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我们基于人口普查计数和NIH生命表来估测老年人口的风险进而计算发病率。
To compute incidence rates , we estimate older populations at risk with census counts and NIH life tables .
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结果:不同地区中华按蚊除了不同性别蚊的预期寿命差别有显著性外(P<0.01),其他各项生命表参数值差别无显著性(P>0.05)。
Results : In all the values of life table of Anopheles sinensis in different areas there were no significant differences ( P > 0.05 ) with the exception of the life expectancy of the different sexe ( P < 0.01 ) .
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新疆木垒县草原兔尾鼠(Laguruslagurus)种群生命表和稳定年龄结构的研究
Study on Life Table and Stable Age Distribution of Lagurus lagurus in Mori County , Xinjiang
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多终点递减率生命表法分析表明,两组间各顺序月的粗累积失败率经log-rank检验均有显著差异。
The multiple decrement life table analysis showed that there was a significant difference in the gross cumulative failure rates between the two groups .
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并且通过定量分析我国生命表的逐年变化,使用非线性回归估计了Gompertz死力表达式的三个参数,并对结果进行了假设检验,显著提高了估计结果。
Through the quantitative analysis of life table , this paper estimates three parameters of Gompertz expression using nonlinear regression and uses hypothesis testing improving the estimation results .
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自从Morris和Miller(1954)引入生命表研究昆虫的自然种群以来,这类工具一直广泛地用于解决农作物的害虫问题。
Since Morris and Miller ( 1954 ) introduced the method of life tables to the study of natural insect populations , such tools have been widely used to deal with the pest problems of agricultural crops .
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在室温25℃、光照时间16h、湿度80%的条件下,组建二斑叶螨实验种群生命表。
The life table of experimental population of two-spotted spider mite was established at constant temperature of 25 ℃, illumination time of 16 hours and humidity of 80 % .
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采用Tietzepotter生命表法计算脱落率、带器妊娠率、因症取器率、续用率。
The Tietze Potter Life Table means were used to compute the pregnancy rate with IUD in situ , the expulsion rate , the rate of termination due to complication and continuation rate .
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用人工饲料饲养幼虫,组建生命表,研究饲料蛋白质含量对棉铃虫Heliothisarmigera种群生长的影响。
The life tables of the cotton bollworm , Heliothis armigera , reared on the artificial diets with different protein levels were constructed in order to investigate the effect of dietary pro-tein content on population growth .
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为探讨栓皮栎种群的数量稳定性及恢复能力,采用了静态生命表及Leslie矩阵模型方法,研究了河南省不同干扰程度下栓皮栎种群的生命进程及其数量稳定性。
To discuss the numeric stability and recovery ability of Quercus variabilis Population , this paper analyzed the population 's process and numeric stability at different disturbed degrees in He'nan province , using the stationary life table and Leslie matrix .
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用生命表方法研究了20种主要寄主植物对二斑叶螨实验种群净生殖率(R0)的营养效应,不同寄主植物随季节的变化其营养效应明显不同。
Nutritive function of 20 plant species to net productive rate ( R 0 ) of the spider mite was studied using the methods of life table .
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通过构建种群生命表,观察比较了棉铃虫[Helicoverpaarmigera(H櫣bner)]对久效磷抗性品系和敏感性品系的一系列生长发育和繁殖特征。
The effects of monocrotophos resistance on fitness of cotton bollworm , Helicoverpa armigera ( H ü bner ), were evaluated in terms of developmental and reproductive characteristics by constructing life table of resistant strain ( LC R ) and susceptible strain ( XJ S ) .
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在5种不同温度和16h/d光照长度的条件下组建苹果全爪螨Panonychusulmi(Koch)实验种群生命表,在此基础上进行该实验种群的一些特征和生命参数分析。
The life tables of Panonychus ulmi ( Koch ) experimental population were made under five different temperatures and sixteen hours daylights per day , and the characteristics and life parameters of the population were analyzed .
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本文应用生命表及Morris-Watt数学模型作为分析害虫天敌作用的方法。
The life table and Morris-Watt mathematical model were used as the methods to analysis the effectiveness of natural enemies of pest insects .
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在光照16h、相对湿度20%的条件下,通过室内用苹果叶片饲养二斑叶螨,分别组建了其在20℃、25℃和30℃条件下的实验种群生命表。
Under 16 h photo period , 20 % relative humility , feeding the Tetranychus urticae with apple leaves in laboratory , 3 experimental population life tables are formed separate under 20 ℃、 25 ℃ and 30 ℃ .
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1987~1992年,在重庆北碚研究了桑红叶螨(朱砂叶螨)Tetranychuscinnabarinus(Bofsduval)自然种群数量变动和建立了生命表。
The quantitative fluctuation in the natural population of mulberry mite ( Tetranychuscinnabarinus ) was investigated in Beibei in 1987-199 2 and their life tables were established .
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通过组建生命表的方法,对JBM和JBW主要生物学特性进行了观察比较,同时设置交配试验,检验JBM和JBW是否存在交配选择性;
The main biological characteristics of JBM and JBW were observed and compared through constructing life table , and mating selection of JBM and JBW were investigated by mating experiments ;
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文章就野生动物动态生命表收集和处理过程中常见的右删失数据处理问题、个体死亡时间估计、同生群初始值N0估计以及早期死亡数据的估算问题提出了一点建议和讨论。
Some commonly encountered problems , such as the right censored data disposing , the failure time estimating , the initial size of cohort estimating , and the early failure data disposing are proposed and discussed here .
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采用SAS软件和生命表法计算分析两种宫内节育器(IUDs)使用效果,Log-Rank卡方检验各终止率间的统计学差异,比例风险模型分析使用效果的可能的影响因素。
The SAS software , and life-table and Log-Rank χ ~ 2 were used for the determination of contraceptive efficacy of two types of IUD and the COX proportional regression model for the analysis of the probable effect factors to the efficacy of the IUDs .
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而静态生命表分析显示锐齿栎种群的存活曲线为DeeveyⅡ型,死亡率曲线有两个高峰;
The result revealed that the population age structure exhibited the characteristics of stable type , the curve of survival generally trended to the Deevey ⅱ, and there were two peaks of mortality .
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此外,本文将改进后的Lee-Carter模型预测的死亡率结论应用到一般的长寿债券设计当中,并构建了适合中国的长寿债券的定价模型,使用中国生命表中的数据进行了实证分析。
Moreover , the use of the above mortality prediction Conclusion , applied to the longevity bonds designs and build the pricing models for longevity bonds , which combine empirical analysis of life table data .
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常见寿命数据类型及生命表的编制方法
Some types of life data and methods for constructing life table
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生命表是为团体长期寿险的定价服务的,团体长期寿险的定价必须以生命表所提供的死亡率为基础。
Chapter 2 is the mortality table of group insurance pricing .
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不同温度下马铃薯块茎蛾实验种群生命表研究
Experimental population life tables of potato tuber moth at different temperatures
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珍稀濒危植物蒜头果种群生命表分析
Life-table Analysis of Malania oleifera , A Rare and Endangered Plant
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白纹伊蚊自然种群生命表研究
Studies on Life Table of the Natural Population of Aedes albopictus
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中国男女性人口吸烟生命表
Smoking Life Tables of China 's Population for Male and Female