叶绿素的

Taking the seedlings of Quercus glauca, a dominant evergreen broadleaf tree species in subtropical area, as test materials, this paper studied their photosynthesis, chlorophyll fluorescence, and chlorophyll content under effects of simulated acid rain with pH 25, 40, and 56. After 2-year acid rain stress, the net photosynthetic rate of Q.

选择亚热带常绿阔叶林优势树种青冈幼苗为研究对象，设置3个酸雨处理：pH 2.5、pH 4.0、pH 5.6，研究不同强度的模拟酸雨对青冈幼苗光合特性、叶绿素荧光参数和叶绿素含量的影响。

The changes of chlorophyll-a were detected in the zoology system of shellfish,fish and bulrush.

通过检测系统内叶绿素a含量的变化，以监测系统中各池贝类规格、数量与叶绿素a的变化关系。

There was significant positive correlation between photosynthetic rate and leaf chlorophyl content, increasing the phosphorus application is beneficial to increasing leaf chlorophyl content and net photosynthetic rate.

叶绿素含量与光合速率呈显著正相关，增施磷肥有利于提高小麦叶片的叶绿素含量，从而提高小麦叶片的净光合速率。

The position of chlorophyll a in photosystems has a strong influence on the function of chlorophyll a.

叶绿素a在光合系统中的位置，对叶绿素a的功能有极大影响

The contents of Chla and Car were sensitive to low temperature stress, it seems that they were vulnerable to low temperature stress and partly decomposed. Relatively, the content of Chlb changed little. The ratio of Chla/b had positive linear correlation with temperature, which meant the photosynthetic ability of podocarpus fleuryi Hickel seedlings declined under winter low temperature stress.

叶片中叶绿素a和类胡萝卜素含量对低温胁迫反应较为敏感，容易遭受低温胁迫而部分地分解破坏，含量下降，而叶绿素b则相对变化较小，Chla／b值呈现与温度的线性正相关，显示了长叶竹柏幼苗在冬季低温胁迫下光合能力的下降情况。

The chlorophyll a were (1.77±1.48),(1.40±0.14),(0.21±0.09)μg·dm -3 in the Antarctic, Subantarctic and Subtropical surface water, separately.

叶绿素 a浓度与营养物质的分布趋势一致，南极水、亚南极水和亚热带水的平均叶绿素 a浓度分别为 1 。77、1 。40和 0 。2 1 μg/dm3。

Pigmented onion seedling has significant high Chlorophyll contains than unpigmented under visible light germination condition, but it looks same by naked eye, no color different between each onion seedling.

可见光下，叶绿素含量在三种类型的洋葱种子中存在显著差异，可以利用叶绿素含量鉴定区分。肉眼观测未见可识别的颜色变化。

The quality of chlorophyll of wild Aralia elata are unstable to light,heat and acid medium,and in daylight,the decomposing speed of chlorophyll can rise when the time was pro-longed or the temperature was raised.It can be concluded that chlorophyll is easy to compose,while it is ...

叶绿素对光、热、酸性介质均不稳定，易产生降解现象；在散射光环境中，降解速度随时间延长和温度升高而加快；在pH值6～7时的中性条件下最稳定，在pH值3～4的酸性条件下，叶绿素易降解。

The results were as follows: under 1.5% and 2.5% concentration NaCl stress, Calophyllum inophyllum L. seedings grew more quickly, chlorophyll content, CAT and SOD activity were all increaseing; then along with the content increasing, Calophyllum inophyllum L grew more slowly, chlorophyll content decreased, proline and MDA content increased, CAT, SOD activity increased distinctly, POD activity changed non constat. Calophyllum inophyllum L.

结果表明：1.5%和2.5%浓度的NaCl胁迫时，红厚壳幼苗生长更快，叶绿素含量、CAT和SOD活性均增加；之后随着浓度的升高，红厚壳生长减缓，叶绿素含量减少，脯氨酸和丙二醛含量显著增加，CAT、SOD活性显著下降，POD活性变化不明显。

Along with the process of treating time and the increase of the cadmium concn., the chlorophyll content of D. caryophyllus was reduced. When D. caryophyllus leaves were treated by 5.0 mg/L cadmium for 20 d, the cadmium concn. showed a negative correlation to time, with correlation coefficient of-0.789. In the same treating time, the cadmium concn. showed significant negative correlation with chlorophyll content.

随着处理时间的推移和镉浓度的增加，石竹叶绿素含量在减小，镉为5.0 mg/L处理20 d时，镉浓度与时间相关系数为-0.789；在同一处理时间内，镉浓度与叶绿素均呈显著负相关。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。