The optimal harvesting problem for a semi-linear age-dependent time-varying population system is discussed.
讨论了年龄相关的半线性时变种群系统的最优捕获控制问题。
The associations were linear for each age, and the risk increased across the entire BMI distribution.
在各年龄段中成线性相关，危险程度在整个体重指数分布范围内逐渐增加。
The effects of caesarean birth and puerpera age on the contents of lactose and lactoproteins were analyzed by linear model.
通过线性模型，分析产妇年龄和剖宫产对乳糖和蛋白质含量的影响。
Linear equation of BMC with age, height, and weight were erected.
由此建立了骨矿含量随小儿年龄和身高、体重变化的直线方程。
But there are linear correlation between population density and mean age.
种群密度与平均年龄有线性相关。
The range of the foot bone ossification sites increased with the fetal age, and there was an obvious positive linear correlation between the ossification degrees and the conceptional age.
各足骨骨化灶范围随胎龄的增加而增大，骨化值与受精龄呈显著的正直线相关。
Pediatric age did not have a statistically significant effect on the average linear stiffness.
儿童年龄对平均线性刚度无显著性影响。
Conclusion a Highly significant linear correlation was found between the anterior capsular elasticity and the opening diameter in youth (age range: 19 ~ 40 years).
结论本年龄段内(19 ~ 40 a)前囊膜弹性与撕开口直径呈直线正相关。
Method Statistical methods of linear regression, multiple stepwised regression, two-way ANOVA were used to analysis the relation of TTS with audition, noise level, working-year and age.
方法应用直线相关回归、逐步多元回归和协方差分析等统计学方法分析暂时性听阈位移与听阈、噪声强度、工龄、年龄等因素之间的关系。
International Diabetes: a linear relationship between HbA1C and average blood glucose levels has been observed the ADAG study which was not influenced by age, gender, or race.
国际糖尿病：ADAG研究显示，平均血糖水平与糖化血红蛋白呈良好的线性相关，不受年龄、性别、种族的影响。
Using the linear programming method, they have set up a mathematic optimization model for adjusting age-grade of timber forest in Hushan Forestry Farm of Suichang, Zhejiang.
用线性规划的方法建立遂昌湖山林场用材林龄级调整最优化数学模型。
But parameters of age, period and cohort are not uniquely estimable because of the exact linear dependency among the three variables, so many approaches have been proposed.
然而模型的三因素间存在着完全线性依赖性，使参数不能得出唯一的估计值，许多学者提出了各种方法加以解决。
The trend analysis of age to the rate of IGT showed the linear compliance correlation (P<0 001).
IGT发生率与年龄之间存在一定的线性依从关系（P< 0 0 0 1）。
The optimal control problem of linear population dynamic system with age-structure in periodic environment was investigated.
在周期环境下，研究一类具有年龄结构种群线性动力系统的最优控制问题。
The increasing tendency of the prevalence of WMSDs following with age and length of service is clear and linear.
职业性肌肉骨骼疾患年患病率随年龄、工龄增加呈线性增加趋势。
The linear correlation regression equation of fetal weight, CR length and fertilization age were set up.
建立了体重、顶臀长与胎龄的直线相关回归方程。
In this paper, the optimal distributed control problems for a class of age-dependent non-linear population diffusion system with final state observation are studied.
讨论了一类具终端观测且与年龄相关的非线性时变种群扩散系统的最优分布控制问题。
Results:Mixed linear models statistical method revealed that the main factors of child growth were age, SGA or not, gender and birth weight.
结果：采用混合线性模型协方差分析发现，与婴幼儿生长密切相关的主要因素为月龄、是否SGA、性别和出生体重；
Results There was a linear enhancement in the synthesis of GLUT1 and GLUT3 with the increase of day age.
结果正常情况下，海马和皮质部位GLUT1和GLUT3的合成量随日龄增加而增高。
Between different group, the goblet cell's number of villi's bottom and top has linear correlation with age.
不同月龄组之间，绒毛体部和底部杯形细胞数量与月龄呈正相关。
The temperature field was solved by equivalent time-based non-linear heat conduction equation. The creep of concrete at early age was taken into account for solving the stress field.
温度场的求解基于等效时间的非线性热传导方程，应力场求解考虑混凝土初期徐变影响。
In the second chapter, the problem of the optimal control for a class of non-linear population dynamics system with age-dependent is discussed.
第二部分讨论了一类具有年龄分布的非线性种群系统的最优控制问题。
In the second chapter, the problem of the optimal control for a class of non-linear population dynamics system with age-dependent is discussed.
第二部分讨论了一类具有年龄分布的非线性种群系统的最优控制问题。
应用推荐