spad

基本解释

In addition, leaf SPAD values were parabolically related with protein and starch accumulation in grains.
叶片SPAD值与籽粒蛋白质和淀粉积累量均呈二次抛物线关系。
It’s helpful in SPAD device optimized design and its subsequent electronic circuits and applications.
该电路模型可以直接应用于后续信号读出电路及前置放大电路系统的仿真设计，调节电路参数，优化电路性能，从而节省后续电路设计与制作的时间。
Abstract: The SPAD - 502 chlorophyll meter appears promising for rapid, on-farm analysis of crop nitrogen status.
文章摘要: 叶绿素仪（SPAD-502）的出现使通过无损伤的田间速测对作物进行氮营养诊断成为可能。
The activities of GOGAT correlated closely with SPAD values, chlorophyll a,b and a+b content.
并进一步明确了水稻根系吸收氮素与叶色变化的关系。
The inferring ability of SPAD value just slightly surpasses the logarithm-sum model in the shooting stage.
发现：在抽穗期和灌浆期，对数相加模型的反演能力明显优于SPAD值的反演能力。