1) leaf specific gravity
叶片比重
2) Leaf dry matter to leaf area
叶片比叶重
3) blade speed ratio
叶片速比
4) SLW
比叶重
1.
Studies on Chlorophyll Contents and SLW Change of Apricot Leaves;
杏树叶片叶绿素含量和比叶重变化的研究
2.
Study on the Content of Chlorophyll,the Variation of SLW and the Value of Chlorophyll a/b in Different Apricot Varieties during Flower Bud Differentiation;
杏树花芽分化期叶绿素含量·比叶重和叶绿素a/b的研究
3.
In the experiment, seventeen apricot varieties were selected and the contents of the chlorophyll,the variation of SLW and the value of chlorophyll a/b were menstruated in July and September in 1998.
测定了17个杏树品种在7月份和9月份的叶绿素含量、比叶重变化和叶绿素a/b比值,结果表明,9月份大部分品种的叶绿素含量下降,比叶重和叶绿素a/b比值增加。
5) Specific leaf weight
比叶重
1.
Analysis of genotype×environment interaction effects on canopy leaf areas and specific leaf weight in rice;
水稻冠层叶面积和比叶重的基因型×环境互作效应分析
2.
The experiment results showed that it was increased photosynthetic pigment content,Hill reaction activity,photosynthetic rate,and specific leaf weight,by treating soil and seeds of tobacco with optimum concentration solution of sulphate of copper before drilling.
5H2O)溶液处理土壤和种子,能够提高烟草叶片的光合色素含量、希尔反应活力、光合速率和比叶重。
3.
The growth stage changes of chlorophyll content,specific leaf weight and net photosynthetic rate of Panax ginseng leaves have been measured to study the correlations of these physiological characteristics with photosynthesis of Panax ginseng.
为研究人参叶片光合作用及其与某些生理特性的关系,测定了人参叶片的叶绿素含量、比叶重、净光合速率的生育期变化。
6) lamina mass per unit area
比叶重
1.
Acclimation of maximum net photo-synthetic rate (Pmax), lamina mass per unit area (LMA), leaf nitrogen content and partitioning in different photosynthetic machinery to growth light intensity were studied in two Ficus species seedlings grown under four different light levels (4%, 12%, 36% and 100% daylight).
观测了不同光强下生长的两种榕树幼苗叶片的光合能力、比叶重(LMA)、氮含量及在光合机构中的分配。
2.
tomentosa could reduce light interception through increasing leaf midrib angle (MA) and lamina mass per unit area (LMA) (Fig.
10 0 %生长光强下绒毛番龙眼通过增大叶片悬挂角 (midribangle ,MA)和比叶重 (laminamassperunitarea ,LMA) ,减少叶氮在捕光组分中的分配等降低光能捕获 ;通过增加类胡萝卜素含量增加热耗散。
3.
The main purpose was to determine whether plasticity of photosynthetic capacity and lamina mass per unit area (indicating leaf thickness) was greater in light-demanding species than that in shade-tolerant species, and to determine the relative importance of morphological and physiol.
发现弱光环境中生长的 4种植物比叶重、光合能力、光饱和点、光补偿点、暗呼吸速率、叶绿素 a/b比较低 ,叶绿素含量较高。
补充资料:比重
对于液体或固体指某一特定温度、压力下的密度同纯水在标准大气压下的最大密度(温度3.98℃时的密度为999.972kg/m3)的比值。对于气体是指气体的分子量同空气的分子量 (28.9644)的比值。液体或固体的比重说明了它们在另一种流体中是下沉还是漂浮。比重是无量纲量,一般情形下随温度、压力而变。比重简写为s.g.。
中国在有些书籍中,把单位体积内所含物质的重量也译成比重。它大体也能指示物体在水中的沉或浮,现在通称它为单位体积重量,可用符号ω表示。ω和s.g.有所不同。ω和密度ρ之间的关系为ω=ρg,式中g为该地的重力加速度。g 随地区和高度不同而变化,所以ω也随着变化。
中国在有些书籍中,把单位体积内所含物质的重量也译成比重。它大体也能指示物体在水中的沉或浮,现在通称它为单位体积重量,可用符号ω表示。ω和s.g.有所不同。ω和密度ρ之间的关系为ω=ρg,式中g为该地的重力加速度。g 随地区和高度不同而变化,所以ω也随着变化。
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