1) net photosynthetic rate
净光和速率
1.
Under the greenhouse conditions,biomass,net photosynthetic rate,fluorescence induction parameters and water use efficiency(WUE) of 6 populus clones at 4 N levels of CK,low,medium and high were studied by pot experiment.
测定各无性系在不同氮处理时的生物量、净光和速率、荧光诱导参数和水分利用效率等生长、生理指标。
2) net photosynthetic rate
净光合速率
1.
Study on root activity,net photosynthetic rateand proteome of none-grafted and grafted cucumber(Cucumis satiuvs L.);
黄瓜自根苗、嫁接苗根系活力、净光合速率和蛋白质表达差异研究
2.
Changes laws of net photosynthetic rate of apple-pear;
苹果梨的净光合速率变化规律
3.
Diurnal changes of net photosynthetic rate and transpiration rate of Reaumuria soongorica;
红砂的净光合速率与蒸腾速率的日变化特征
3) net photosynthesis rate
净光合速率
1.
Mathematic models of cucumber net photosynthesis rate responding to CO2 concentration, temperature,and illumination intensity;
黄瓜单叶净光合速率对二氧化碳浓度、温度和光照强度响应模型
2.
Effects of Leaf-cutting and Spikelet-thinning on Net Photosynthesis Rate of Rice During Grain Filling;
水稻灌浆结实期减源疏库对净光合速率的影响
3.
Relationship between leaf net photosynthesis rate of Lycium barbarum L. and it s environmental micrometeorological factors;
枸杞叶片净光合速率与其它生理参数及环境微气象因子的关系
4) Photosynthesis
[英][,fəʊtəʊ'sɪnθəsɪs] [美]['foto'sɪnθəsɪs]
净光合速率
1.
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。
2.
The results showed that, during water stress, the seedling growth was restrained seriously and photosynthesis decreases significantly, but with strengthening of water stress, the ability of osmotic adjustment of leaf was more improved.
结果表明 ,在水分胁迫条件下 ,特别是在干旱胁迫下 ,苗木生长受到严重抑制 ,净光合速率和蒸腾速率降低 ;随着水分胁迫的加剧 ,叶片渗透调节和维持膨压能力有一定程度的提高 ;过量水分供应 ,对扁桃生长和生理作用产生不良影响。
3.
With the Li-6400 system we measured the diurnal change of net photosynthesis,transpiration and water use efficiency of Calligonum arborescens in different seasons under treatments of drought and irrigation.
利用LI 6400光合作用系统测定了干旱胁迫和正常灌溉两种处理下,塔里木沙漠公路防护林中乔木状沙拐枣(Calligonum arborescens)净光合速率、蒸腾速率以及水分利用效率等气体交换特性的日变化及季节变化动态。
5) Photosynthetic rate
净光合速率
1.
This paper studied the effects of different NO3-concentration on the photosynthetic rate, photochemical efficiency, and absorbed light energy allocation in cucumber seedling leaves.
L-1),PSⅡ光化学效率降低,电子传递受到抑制,净光合速率降低;吸收的光能中,通过天线色素的热耗散增加,用于光化学反应的能量降低,光化学效率下降。
2.
The quantitative relation contains photosynthetic rate,stomatic conductivity,intercellular CO_2 concentration,transpiration rate and so on,and analysis data with SPSS.
观测参数包括:净光合速率、气孔导度、蒸腾速率、细胞间隙CO2浓度等。
3.
The result shows that photosynthetic rate(Pn),transpiration rate(Tr) and water use efficiency of leaf(WUE) have clear threshold value response to soil moisture and photosynthetic active radiation.
s)的光强,通过人工控水的方法取得不同的水分梯度,对白榆的各生理生长参数的光响应规律进行研究,结果表明:光辐射强度和土壤含水量对白榆的净光合速率,蒸腾速率和水分利用效率有十分显著的影响。
6) Pn
净光合速率
1.
The Research on Pn Daily Changes of Pingguoli;
苹果梨净光合速率日变化规律的研究
2.
The results showed that especially when the soil moisture content was 30%,the diurnal changes of net photosynthetic rate(Pn),transpiration rate(Tr) and stomatal conductance(Gs) were single-apex curves and the peak value were all present at 8:30.
结果表明:土壤含水量保持在30%的前提下,毛苔草净光合速率(Pn)、蒸腾速率(Tr)和气孔导度(Gs)的日变化趋势均呈单峰曲线变化,峰值均出现在8:30,胞间CO2浓度(Ci)和大气CO2浓度(Ca)的日变化呈近"V"型。
3.
Many photosynthetic characteristics of mature plum SuiLi3 including effects of diurnal change, seasonal change, leaf position and leaf direction on Pn were studied.
以“绥李三号”成龄树为试材,测定了光合作用的日变化和季节变化以及叶位和叶方位对净光合速率(Pn)的影响。
补充资料：净出口和净进口
一国在一定时期内（半年或一年）对某一商品往往既有进口又有出口，如果出口数量小于进口数量，其差额即为净进口；反之，如果出口数量大于进口数量，其差额即为净出口。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条