chopper,dimmer,flag,optical chopper

Effects of shading at different filling stages on nitrogen accumulation and translocation in wheat at different nitrogen rates;

不同施氮量下子粒灌浆不同阶段遮光对小麦氮素积累和转移的影响

Effects of Shading on Capsaicin and Relevant Enzymes of Fruit in Pepper;

遮光对辣椒果实中辣椒素及其相关酶的影响

Effects of shading on nitrogen and carbon metabolism of broccoli;

遮光处理对青花菜体内碳、氮代谢的影响

The index of the light shading percentage of cotton fibre is discussed in this paper.

讨论了棉纤维材料遮光率的指标；介绍了一种测试方法；对单根棉纤维全长范围内的遮光率进行了测试，得到了基础性的数据；并对双层纤维及外推到三层纤维的遮光率变化规律进行了测试分析，这些参数对有关仪器的设计将有指导意义。

NB-UVB damage to keratinocytes and protective efficacy of sunscreen in rat;

窄波UVB对大鼠表皮的损伤及遮光剂保护作用的研究

FEA of structure parameters of baffle for high-resolution space camera;

高分辨率空间相机遮光罩结构参数的有限元分析

Structure scheme selection of baffle for space optical remote sensor;

空间光学遥感器遮光罩结构方案选择

Optimum Designing of Baffle of CCD-star Sensor;

星敏感器遮光罩的优化设计