Effect of photoperiod on marine microalgae Prorocentrum donghaiense;
东海原甲藻的光周期效应研究
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
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
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。
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。
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。
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。
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。
Study on Characters of Photoperiod Sensitivity and Construction of SSH Library Affected by Long-day Photoperiod in Maize
玉米光周期敏感特性研究及长日照光周期诱导差减文库构建
plant grown on 15-hours photoperiod
在十五小时光周期下生长的植株
Photoperiod produces little influence on the diapause of housefly larvae.
光周期对家蝇幼虫滞育的影响不大。
Photoperiodic response is not restricted to flowering.
可是，光周期反应不只限于开花。
The gibberellins interact also with photoperiod in the determination of flowering.
赤霉素也和决定开花的光周期有关。
Study on Quantitative Trait Loci Mapping Related to Photoperiod Response in Maize;
玉米光周期反应相关性状QTL定位研究
Further Studies on Post-flowering Photoperiod Responses of Soybeans;
大豆开花后光周期反应的进一步研究
QTL Mapping for the Relevant Traits of Photoperiod Sensitivity;
玉米光周期敏感相关性状的QTL定位
Study on the Effects of Different Photoperiod on the Inflorescence of Camellia Japonica;
不同光周期对山茶花成花影响的研究
Identification and Cloning of the Photoperiodic-related cDNA Fragments of the Wheat;
小麦光周期相关cDNA片段的克隆及鉴定
Effects of Photoperiod on Salicornia Bigelovii Torr.;
毕氏海蓬子开花的光周期效应的研究
group very quick light
联甚快光(在一周期内
Research for Rapid Variability, Periodic Variability and Evolution of Blazars;
Blazars的快速光变、周期光变与演化研究
Research on Sensing Properties of Polymer Long-period Fiber Grating;
长周期塑料光纤光栅的传感特性研究
Study on Transmission Spectrum of Cascaded Long-period Fiber Gratings
级联型长周期光纤光栅传输谱的研究
Liquid Sensor of Long Period Fiber Grating
基于长周期光纤光栅的液位传感研究
Studies on Bifurcation and Period in Semiconductor Laser Due to Optical Injection
光注入半导体激光器分岔与周期研究
Analysis of spectral characteristics of uniform fiber Bragg gratings under different exposure conditions
不同曝光条件下均匀周期布拉格光纤光栅特性