叶绿素的

O PSII supercomplex was formed in the plant grown in iron depletion solution. After treatment with NO, all of the above injuries of plant due to iron deficiency were reverted, such as the increase of active reaction center of PSII, the reconnection of PSII with antenna, the increased electron transport rate, the increased photochemical fluorescence quenching and the reduced non-photochemical fluorescence quenching.

O处理后，植物受到的所有缺铁损伤都得到恢复，有活性的PSII反应中心数量增加，与天线的连接恢复完好，电子传递效率增高，同时叶绿素荧光的光化学淬灭增多，非光化学淬灭降低，表明PSII下游的电子传递体也得到很好的修复。

In general, the distribution of stable carbon and nitrogen isotopes revealed the mixing inputs of terrigenous and marine organic matter controlled the stable carbon and nitrogen isotope compositions in sedimentary organic matter. However, a series of physical, chemical and biogeochemical processes occurring in the local environments had also the significant influence on the stable carbon and nitrogen isotope compositions in organic matter.

研究区域内，稳定碳、氮同位素的地区分布和季节变化特征揭示，有机质中稳定碳、氮同位素组成不仅受陆源和海源有机质输入量之间消长变化的影响，同时一系列的生物地球化学过程、人为有机质的输入和沉积物粒度与叶绿素含量对碳、氮同位素组成均存在一定的改造作用。

The analysis of correlation indicated that tobacco breeding with higher potassium content has the characteristics of higher stalk height, wider stalk circumference, longer leaf and more leaf number comparatively. The correlations between potassium content and nicotin among top, middle and bottom tobacco leaves were all negative. The correlation among potassium content and malondialdehyde,superoxide dismutase, conductance ratio; and protein, solubility sugar, chlorophyl and free water/bondage water were all attained marked level, however, the essence of correlation was different: the former was negative but the latter was positive. 4.The analysis of heterosis demonstrated there were different degree heterosis in the potassium content of tobacco leaf and other correlated characters, including agriculture, physiology and biochemistry.

相关分析表明，烟叶钾含量性状与株高、茎围和最大叶长的相关性达到了显著和极显著的水平，与叶数的相关虽未达到显著水平，但相关程度相对较高；烟叶钾含量与烟碱在上、中、下三部位叶之间均呈负相关关系，中部叶烟碱与烟叶钾含量的相关达到了极显著水平；烟叶钾含量性状与丙二醛、SOD和电导率以及与蛋白质、可溶性糖、叶绿素和自由水/束缚水之间的相关性均未达显著水平，但相关性质不同，烟叶钾含量性状与前三者之间表现负相关关系，而与后四者之间呈正相关关系；4。

As compared with the traditional irrigation-traditional fertilization, the following results of the improved optimized irrigation-optimized fertilization were obtained: significantly higher nitrogen use efficiency; the like tiller number per unit area, percentage of the tiller ear number/the tiller number, the ear number per unit area, the greatly reduced grain number per ear, and significantly heavier weight of 1, 000 grains; a trifle taller plants; shorter base internode length, a bit more weight per unit internode length, longer internode length under ear; almost the same LAI values in middle and later stages; coincident process of dry matter accumulation from straight growth onwards, a little more dry matter accumulation amount from earing to maturity; a little longer flag leaf, 2〓 leaf, 3〓 leaf (but the three leaves were shorter than those of the optimized irrigation-traditional fertilization) and shorter 4〓 leaf from top, a bit reduced total area of these leaves; almost the same leaf thickness, mean canopy leaf tilt angle, light extinction coefficient , ratio of light penetration in the upper, middle and lower parts of the wheat canopy, and fair plant type; almost the same senescence process of flag leaf; and increased root amount in 0-120cm soil layer and smaller rate of progressive decrease of the root length density and root weight density with soil getting deep, which can strengthen the resistance to adverse conditions such as water stress in the later stage.

在优化水肥条件下，冬小麦总分蘖数、成穗率及单位面积穗数与传统水肥比较接近，但穗粒数显著减少，千粒重显著提高；株高稍有增加；基部节间长度缩短，充实度略微增高，穗下节间增长；中后期LAI与传统水肥的LAI值基本吻合；起身至成熟干物质积累量动态变化过程与传统水肥十分接近，但抽穗至成熟所形成的干物质量增加；上三叶变长（但上三叶长度增加幅度小于优化灌溉-传统施肥处理），倒4叶变短，总叶面积略有减少；叶片厚度、冠层平均叶倾角、消光系数、冠层各层的透光率与传统水肥差异很小，株型较好；旗叶叶绿素含量动态变化与传统水肥十分接近；0-120cm土层的总根量明显增加，上层根群和深层根群的差异最小，有利于提高小麦后期的抗逆力。

The changes of nitrogen content, free amino acid, C/N ratio and chlorophyll content of wheat in wheat-faba bean intercropping system were studied by pot experiment with 3 N levels 0, 75 and 150 mg Nkg^(-1 soil. The results showed that leaf nitrogen content of intercropped wheat was higher than that of monocultured wheat at 3N level at tilling and booting stages, but was lower at heading stages.

为了解小麦蚕豆间作系统中小麦氮同化物的变化特征，探讨小麦蚕豆间作提高作物抗病性的可能机制，通过盆栽试验的方法，研究了小麦植株全氮含量、叶片游离氨基酸、叶片C/N比和叶绿素含量的动态变化及供氮水平对其的影响。

The results shoed that after spraying 1 and 5 mgL^(-1) of anthraquinones, the photosynthetic rate raised by 38.03% and 39.73%, chlorophyll content increased by 3.53% and 3.83%, and MDA content decreased by 11% and 23%, respectively. The anthraquinones could absorb solar UV radiation, and convert the harmful UV into blue or yellow light which can promote plant photosynthesis. It as suggested that foliar-spraying appropriate concentrations of aloe's anthraquinones could promote wheat photosynthetic activity, alleviate UV harm, and thus, increase wheat yield.

结果表明：在灌浆期用浓度为1和5mgL^(-1)的芦荟蒽醌类物质喷施小麦，光合作用速率分别提高了38.03%和39.73%；叶绿素含量分别提高了3.53%和3.83%，丙二醛含量分别降低了11%和23%；蒽醌类物质能够吸收太阳中的紫外线，并将紫外线转换成能促进光合作用的蓝光或黄光；芦荟蒽醌类物质能促进小麦光合作用效率，减轻紫外线对小麦的损伤；喷施合适浓度的芦荟蒽醌类物质能够提高小麦产量。

Some similar responses were observed in the both species.(1) After saturating illumination for 3 h, the original fluorescence Fo increased while the PSⅡ photochemical efficiency Fv/Fm declined significantly, but these parameters could largely recover to the levels of dark-adapted leaves after 3 h of subsequent dark recovery.(2) No net loss of the D1 proteins occurred after the saturating illumination.

一方面，大豆和南瓜叶片在饱和光下产生一些相同的变化：（1）经过3小时饱和光处理，它们的初始叶绿素荧光参数Fo都明显升高，而PSⅡ光化学效率Fv／Fm都明显降低，但经过随后的3小时暗恢复后，Fo和Fv／Fm都可以恢复到初始暗对照的水平；（2）在饱和光处理和随后的暗恢复过程中都没有发生D1蛋白的净损失。

The seeds of different varieties of mat rush were treated by 60Co γ-rays irradiation of 500, 1000, 1500 and 2000Gy. The seedlings cultured from treated seeds were used to detect the root activity, seedling growth, chlorophyll content, activities of polyphenol oxidase and catalase, and to investigate the effect of irradiation treatment on the physiological and biochemical properties of mat rush.

分别以500、1000、1500和2000Gy的60Coγ射线处理不同蔺草品种成熟干种子，并将其培养成实生苗，进行根系活力、叶绿素含量及多酚氧化酶和过氧化氢酶活性的检测，观察蔺草苗期的生长状况，从而研究不同辐照剂量对蔺草苗期生长及生理生化特性的影响，确定蔺草的适宜辐照诱变剂量，为下一步开展蔺草品种诱变改良奠定基础。

The results showed that mild alkali stress (pH 6.0~6.5) promoted plant growth, while severe high pH inhibited both seed germination, photosynthesis and root elongation.

结果表明：pH值过高会抑制种子萌发；随着pH值的逐渐增加，根的相对生长量和幼苗叶绿素含量均呈现先增加后减少的趋势；同时，根尖生长素含量随着pH值升高呈现先增加后减少的趋势，表明生长素含量变化可能在植物对碱胁迫的响应中，尤其是在根伸长过程中起着重要作用。

We aim to investigate the effect of adding t-butyl groups substituents to unsymmetrical Zn-Porphyrins used for the preparation of dye sensitised solar cells.

本论文研究之紫质的分子结构与自然界中参与光合作用的叶绿素相近，其衍生物具有相当优异的光电转换特性，因此近年来人工紫质在染料敏化太阳能电池的研究中扮演重要的角色。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新