气孔

A comparison of photosynthetic rate, transpiration rate, w ater use efficiency, stomatal conductance, intercellular CO 2 concentration and vapor pressure deficit at the leaf surface between Poaceae C 4 plants (Chloris virgata and Setaria viridis) an d Chenopodiaceae C 3 plants (Chenopodium album and Chenopodium glaucum) under the simulated photosynthetic radiation was conducted in this st udy.

利用人工模拟光源研究了两种 C4 光合途径禾本科植物和两种 C3光合途径藜科植物的光合速率、蒸腾速率、水分利用率、气孔导度、胞间 CO2 浓度及叶面饱和蒸气压亏缺随模拟光辐射增强的变化规律及 Gs、Ci、Vpdl对 Tr和 WUE的影响。

Correlation analysis of both chlorotic plants and plants staying green of the F3populations revealed that there was a significant positive correlation between yield index values and the phy...

相关性分析表明收获指标与生理指标，如净光合速率、气孔导度、叶绿素含量等呈显著正相关；而与细胞间CO2 浓度及丙二醛含量呈显著负相关。

Studies on the effects of 5-aminolevulinic acid with concentrations 50-200 mg/L on the photosynthesis and antioxidant enzyme activities of watermelon Citrullus lanatus Thunb.

50-200mg／L 5-氨基乙酰丙酸处理显著提高了秋冬季塑料大棚中西瓜幼苗叶片净光合速率、气孔导度、细胞间隙CO_2浓度和蒸腾速率。

It is shown through test results when concrete was curing in 50°C and the air content maintained 4% or so, the percentage expansion and pore constructer parameters have few changes.

试验研究表明，当蒸养恒温温度为50℃，混凝土含气量控制在4%左右时，蒸养后混凝土的膨胀率，气孔结构参数的变化都不大。

The experimental results show that the clad coating iscontinuous, homogeneous, poreless and crackless by optimizing the technical parameters.

结果表明，在优化工艺参数下可获得连续、均匀、无裂纹和气孔的熔覆层，熔覆层由TiC，γ-Ni，M236，CrB，Ni3B等相组成。

The carbon foam were prepared by self-bubbling at high pressure from AR pitch added sodium dodecyl benzene sulfonate and Span-40, respectively. The bulk density, pore rate, compressive strength, thermal conductivity at room temperature and crystallitic parameters of carbon foam were measured. The rheological properties of AR pitch and pore structure of carbon foam were investigated.

以十二烷基苯磺酸钠和Span-40表面活性剂为添加剂，AR沥青为原料，制备炭素泡沫材料，测定了材料的体积密度、显气孔率、压缩强度、常温热导率以及微晶结构参数，研究了添加表面活性剂后AR沥青的流变性能和炭素泡沫材料孔胞结构的变化。

This method of shipping is very common for moving turtles in cushioned, insolated boxes with air holes.

这种运输方式是很常见的迁入海龟缓冲，与空气孔孤立的框。

The changeable regularity and adaptation in different stages of photosynthetic rate, stoma conductance and intercellular CO2 concentration of Cynanchum komarovii that was planted in PVC tube were studied under water stress.

采用PVC管种植模拟土壤干旱的方法，研究了牛心朴子在水分胁迫下光合速率、气孔导度、胞间CO2浓度、叶绿素荧光的变化规律及不同生育期适应性表现。

And meanwhile, the result show that, stomatal restriction was the main factor of the net photosynthetic rate's decrease in the leaves of 4 Dactylis glomerata L. when stress in slight water stress and the non-stomatal restriction was the main factor of the net photosynthetic rate in the leaves of 4 Dactylis glomerata L.

盆栽控水条件下4份鸭茅光合作用机理的研究表明，随着干旱胁迫程度的加强，4份鸭茅种质的净光合速率、蒸腾速率、气孔导度及叶绿素含量均有较大幅度的降低，其中抗旱性强的ZXY04P-201下降的速度慢，幅度小，而抗旱性差的ZXY04P-239下降速度快，幅度大。

Increased at different extent and the content of GA3 and ZR were all down under drought stress, while the content of IAA had a different trend according to different material. The general trend of coordination among 4 endogenesis hormones was closeing the stoma and promoting the growth of root,whereas the coordination mechanism of different Dactylis glomerata L.

盆栽控水条件下4份鸭茅内源激素变化的研究结果显示，随着干旱胁迫程度的加强，四份鸭茅ABA含量整体呈上升趋势，GA3和ZR的含量则呈下降趋势，IAA的含量因材料不同表现出不同的变化趋势，干旱胁迫下四种内源激素的协调总趋势是向着气孔关闭，促进根系发展的方向进行。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！