- 光飽和點(diǎn)
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light saturation point中文什么意思
例句與用法
- The light saturation point was lower of defoliated plants than that of non - defoliated plants . with reduced light irradiance , light saturation point also decreased
葉損失植株的光飽和點(diǎn)要低于未受損植株，隨光照強(qiáng)度的降低，植株的光飽和點(diǎn)逐漸下降。 - Dark respiration changed with the same trend of light saturation point . but apparent quanta efficiency was not differentiated remarkably and need to be researched further
不同處理植株的暗呼吸變化趨勢(shì)同光飽和點(diǎn)相同，表觀量子效率卻無(wú)顯著差異，其機(jī)理還需進(jìn)一步探討。 - Comparing with full light treatment ( control ) , tr , gs , wue and light saturation point were significantly decreased , ci was increased by shading . so far as curve of light response , seedlings of 2 tree species represented higher photosynthetic capability under shading treatments in the ranges of low light
和對(duì)照的全光照處理相比，遮蔭處理顯著地降低了多脈青岡和金葉含笑的蒸騰速率、氣孔導(dǎo)度、水分利用率和光飽和點(diǎn)，細(xì)胞間隙co _ 2濃度在遮蔭條件下顯著上升。 - The results show : ( 1 ) the light compensation point and light saturation point of s1 s2 and s3 were in range of 12 ~ 27 mol / m2 s and 180 ~ 360 mol / m2 s , respectively , and they changed with the irradiance . ( 2 ) both light compensation point and light saturation point of s1 were higher than those of s2 and 83 , and s1 showed greater capability against high irradiance than s2 and s3 . ( 3 ) the optimal temperature of the three strains were 25 , 35 and 30 , respectively , and they had temporal effect . ( 4 ) respiratory rate rose as the temperature rising , and at about 40 , it reached the peak
結(jié)果表明： ( 1 ) s _ 1 、 s _ 2 、 s _ 3的光補(bǔ)償點(diǎn)和光飽和點(diǎn)的變化范圍分別為12 27 mol m ~ 2 ? s和144 360 mol m ~ 2 ? s ，二者可隨光照環(huán)境的變化而變化，其中s _ 1的光補(bǔ)償點(diǎn)和光飽和點(diǎn)均高于s _ 2和s _ 3 ，且表現(xiàn)出強(qiáng)于其余兩個(gè)藻種的抵御強(qiáng)光輻射的能力； ( 2 )三個(gè)藻種的最適溫度分別為25 ， 35 ，和30 ，具有時(shí)間效應(yīng)； ( 3 )呼吸速率隨溫度的升高而升高，最大值出現(xiàn)在40附近；溫度低于25 ， s _ 1的光合速率最高，呼吸速率最低，表現(xiàn)出很強(qiáng)的低溫適應(yīng)性； ( 4 )螺旋藻的光合特性可隨光照環(huán)境的變化而變化，光強(qiáng)增強(qiáng)，可使螺旋藻的最適光照范圍增大，抵御強(qiáng)輻射的能力增強(qiáng)； ( 5 )螺旋藻受到溫度脅迫時(shí)，其最適光照范圍變窄，對(duì)光強(qiáng)的敏感性增加。 - The light saturation points , compensation points and dark respiration rates of t . media cv . hicksii seedlings go down while the contents of chlorophyll and the ratios of chlorophyll a and b increase along with the weakening of light intensity of the growing environment , but their co2 compensation points and photorespiration rates go up
遮蔭使曼地亞紅豆杉幼苗光飽和點(diǎn)、光補(bǔ)償點(diǎn)及暗呼吸速率降低，但光呼吸速率和co _ 2補(bǔ)償點(diǎn)升高，葉綠素含量增大而葉綠素a b減小。