1) photoperiod
[英][,fəutə'piəriəd] [美][,fotə'pɪrɪəd]
光周期
1.
Effect of photoperiod on marine microalgae Prorocentrum donghaiense;
东海原甲藻的光周期效应研究
2.
Effects of temperature and photoperiod on diapause of housefly larvae;
温度和光周期对家蝇幼虫滞育的影响
3.
Effects of interaction of photoperiod and nitrogen on activities of enzymes of carbon and nitrogen metabolism of Huanong No.1 ensilage corn;
光周期与氮肥互作对华农1号青饲玉米碳氮代谢相关酶的影响
2) Photoperiods
光周期
1.
Effect of Photoperiods on Development and Reproduction of the Bemisia tabaci;
光周期对烟粉虱生长发育及繁殖的影响
2.
The Effects of Photoperiods on Source-sink Relations of Rice;
光周期对水稻源库关系的影响
3) light-dark cycle
光暗周期
1.
and Phaeodactylum triconutum were cultured in modified f/2 medium, and the influence of light-dark cycle on the production of extracellular polysaccharide was investigated.
)和三角褐指藻(Phaeodacty lumtriconutum)培养在3种不同的光暗周期下,研究了光暗周期对硅藻胞外多糖生产的影响。
4) light period room
光周期室
1.
The design method and its techniques of the sugarcane light period room and hybridization greenhouse are presented, the affect of the greenhouse construction to its indoor environment is also discussed.
设计了甘蔗光周期室和杂交温室 ,并对其设计工艺和设计方法 ,及有关室内环境与温室建筑的关系进行了探讨。
5) Grating period
光栅周期
1.
The single beam s coupling efficiency is the key to the combined output power in incoherent fiber laser beam combination system,which is affected by focal length of lens,grating period and light spot radius.
单光束耦合效率是决定非相干组束系统输出功率的关键,它受到透镜焦距、光栅周期和光斑半径等参数的影响。
2.
Though theoretic analysis and numerical simulations,it has been proved that the precise control of deviation angles of central laser beam and combining beam plays an important role in increasing the diffraction efficiency,higher diffraction efficiency correspond to larger grating period and smaller grating thickness.
通过理论分析和数值仿真,结果表明对中心激光入射角偏移及组束光角偏移的精确控制是提高光栅衍射效率的光健,高的衍射效率对应较大的光栅周期和较小的光栅厚度。
3.
Through theoretical analysis and numerical simulations,it is proved that the lower lateral off-set,defocusing and lens focus,and the higher grating period would be advantageous,also an optimum spot radius exists which corresponds to a maximum value of coupling efficiency.
理论分析及仿真研究结果表明,较小的高斯模场纵向偏移、离焦度和透镜焦距,较大的光栅周期对提高耦合效率是有利的,并且还存在最佳的光斑半径。
6) photoperiod
[英][,fəutə'piəriəd] [美][,fotə'pɪrɪəd]
光照周期
1.
Effect of Different Photoperiods on Blood Biochemical Parameters of Hens;
不同光照周期对蛋鸡高峰期血液生化指标的影响
2.
Effects of photoperiod on the molting and growth of juvenile Chinese shrimp Fenneropenaeus chinensis;
光照周期对中国对虾稚虾蜕皮和生长的影响
3.
Effect of Photoperiod on Procreation Morphology, Production and Haemal Biochemical Parameters;
光照周期对蛋鸡卵巢输卵管形态、生产性能及血液生化指标的影响
补充资料：光周期
光周期
photoperiodism
一个生物每天需要光照的时间。
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