1) Natural critical flowering photoperiod
自然开花临界光周期
2) critical photoperiod
临界光周期
1.
pallens showed short-day type,and the critical photoperiod for diapause induction was estimated to be between 10.
在22℃条件下,研究大草蛉对光周期的敏感性,结果表明:大草蛉属短日照滞育型,在短光照条件下饲养获得的预蛹进入滞育状态,诱导预蛹滞育的临界光周期为10。
2.
The results showed that the critical photoperiods under 29 - 22 ℃ alternative/26 ℃ constant temperature of univoltine ACB from Gongzhuling and Dunhua were 15h48 /14h53 and 15h45 /14h55 , and those of bivoltine ACB from Gongzhuling and Baicheng were 14h33 /14h6 and 14h27 /14h15 .
在变温29～22℃条件下,一化性的公主岭和敦化玉米螟的临界光周期为15h 48min和15h 45min,二化性的公主岭和白城玉米螟为14h 33min和14h 27min。
3.
The critical photoperiod for diapause induction was estimated to be between 13L∶11D and 14L∶10D at 18℃, and between 12L∶12D and 13L∶11D at 21℃ and 24℃.
结果表明:沈阳地区的白蛾周氏啮小蜂属长日照型昆虫,以老熟幼虫进入滞育状态,但在不同的温度条件下诱导滞育的临界光周期不同,在18℃时诱导滞育的临界光周期处于13L∶11D和14L∶10D之间;在21℃和24℃时诱导滞育的临界光周期变短,处于12L∶12D和13L∶11D之间。
3) Critical period
临界周期
1.
Theoretical analysis for microbend critical period of optical fibers;
光纤微弯临界周期的理论分析
2.
Micro-bend optical fiber sensors are analyzed by use of the light ray tracing that the micro-bend critical period of optical fiber sensor is the space repeat distances within the fiber, through which light ray transmits at the maximum incident angle, and the result is coincident with the couple made theory analysis and experimental results.
采用光线寻迹法分析微弯光纤传感器，指出其微弯临界周期即为光线以最大入射角在光纤内传播的空间重复距离，结论与耦合模理论分析及实验结果一
4) natural crisis
自然临界
5) natural cycle
自然周期
1.
In vitro fertilization and embryo transfer following natural cycles in poor responders.;
卵巢低反应者应用自然周期方案体外受精-胚胎移植的价值
2.
Compare the outcome of frozen-thawed embryo transfer between in natural cycles and artificial cycles
自然周期与人工周期方案冻融胚胎移植结局比较
3.
Referring to the endometrial preparation programs for frozen-thawed embryo transfer, there were two main choices in clinic: natural cycle and hormone-replacement cycle.
冻融胚胎移植周期的子宫内膜准备方案，目前在临床上主要有两种：自然周期和激素替代周期。
6) critical periodic point
临界周期点
1.
Rigorous coupled wave approach(RCWA) was used to calculate the value of twodimensional squarepillar subwavelenth grating s maximum period that allows only propagation of the zeroth diffraction order(the maximum period is also called critical periodic point).
用严格耦合波理论(RCWA)计算了当折射率取一系列离散值时的二维亚波长周期结构介质光栅出现一级衍射透射波的周期值,进而利用最小二乘法拟合出临界周期点随折射率的变化规律;利用一维单台阶和多台阶光栅在TE、TM偏振状态以及二维单台阶圆柱状光栅和二维金字塔结构多台阶光栅进行验证,发现它们同样满足临界周期点的变化规律。
2.
Rigorous coupled wave approach(RCWA) was used to calculate the value of one-dimensional(1D) subwavelenth metal grating′s maximum period that allows only propagation of the zeroth diffraction order(the maximum period is also called critical periodic point).
利用严格耦合波理论(RCWA)计算了一维金属亚波长光栅刚好出现一级衍射透射波时的周期/波长比(临界周期点),并利用最小二乘法拟合出临界周期点随光栅基底折射率的变化关系,即y=1/x。
补充资料：光期钝感植物(见光周期)
光期钝感植物(见光周期)
guangqi dungan zhiwu光期钝感植物见光周期。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条