spad

基本解釋

In addition, leaf SPAD values were parabolically related with protein and starch accumulation in grains.
葉片SPAD值與籽粒蛋白質和淀粉積累量均呈二次拋物線關系。
It’s helpful in SPAD device optimized design and its subsequent electronic circuits and applications.
該電路模型可以直接應用于后續(xù)信號讀出電路及前置放大電路系統(tǒng)的仿真設計，調節(jié)電路參數(shù)，優(yōu)化電路性能，從而節(jié)省后續(xù)電路設計與制作的時間。
Abstract: The SPAD - 502 chlorophyll meter appears promising for rapid, on-farm analysis of crop nitrogen status.
文章摘要: 葉綠素儀（SPAD-502）的出現(xiàn)使通過無損傷的田間速測對作物進行氮營養(yǎng)診斷成為可能。
The activities of GOGAT correlated closely with SPAD values, chlorophyll a,b and a+b content.
并進一步明確了水稻根系吸收氮素與葉色變化的關系。
The inferring ability of SPAD value just slightly surpasses the logarithm-sum model in the shooting stage.
發(fā)現(xiàn)：在抽穗期和灌漿期，對數(shù)相加模型的反演能力明顯優(yōu)于SPAD值的反演能力。