查询词典 spad

Relationship about the SPAD value and chlorophyll content for 9 varieties of mulberry leaves was established, while the regression models were given.

建立了9个品种桑叶的叶绿素含量与SPAD值之间的关系，并列出了方程。

Therefore 38-40 was considered as the critical SPAD value, and 3.5 was the critical LCC value for N application.

初步确定寒地水稻的SPAD阈值为38～40，LCC阈值为3.5。

Therefore, the distribution of SPAD and photosynthesis rate among leaves of wheat plant was relatively stable, and was hardly affected by nitrogen level.

随施氮水平的提高，小麦叶片的光合速率呈现出先增加后下降的趋势，施氮量为135kg／ha时光合速率最高。

In the heading stage and milking stage, the inferring ability of logarithm adding obviously surpasses that of SPAD value.

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。

The resuits showed that there was significant difference of SPAD among different leaves under same nitrogen level.

结果表明，在同一施氮水平下，小麦植株不同叶片SPAD值及光舍速率均为：旗叶〉倒二叶〉倒三叶〉倒四叶，说明小麦叶片叶绿素含量及光舍速率在植株上的分布特征相对固定，受施氮水平的影响较小。

At the same leaf position,the SPAD value was high under mild temperature and light.

艾天成等[2-3]在测定了水稻、棉花、大豆等夏作物的叶绿素含量及SPAD值后，确定了SPAD值与叶绿素含量的相关函数，发现二者相关性达到了极显著水平，表明可以用SPAD值来代表叶绿素的含量。

Relationship between SPAD readings chlorophyll contents and yield of po-tato.

马铃薯叶片 SPAD 值与叶绿素含量及产量的相关性研究。

The result shows that single linear regression model with the first derivative reflectance spectra in 683 nm can accurately predict SPAD values.

结果表明，684 nm处一阶微分光谱的线性回归模型可较好地预测油菜叶片的SPAD值，预测样本的相关系数达到0.801。

The chlorophyll content in 21 cultivars of 7 Cymbidium species in Guizhou Province were measured and compared by using SPAD-502 chlorophyll detector and conventional methods.

利用SPAD-502叶绿素检测仪和常规方法对贵州兰花7个种的21个品种叶绿素含量进行了比较分析。

Warden: That's a beautiful dog, but don't bring her again.

那是条漂亮的狗，但是不要再把她带来了。

You get up in the morning – no hangover!

你第二天早上起来的时候—不会宿醉！