放氧

用钌钛氧化膜电极电解食盐水时pH对放氧速率的影响及其机理的探讨

On the Influence of pH on Kinetics and Rate of Oxygen Evolution at Ti Electrode Covered with Film of RuO_2 and TiO_2

在最高Cd浓度，光合放氧显著受到抑制，但暗呼吸在48h时较对照显著增加了67%。

At the highest Cd level , photosynthetic oxygen evolution was markedly inhibited but dark respiration was increased by 67 % at 48 h.

钙离子对PSⅡ颗粒放氧活性的影响

Effect of Calcium Ion on O_2-evolution Activity of PS ⅱ Particles

植物光系统II放氧复合体外周蛋白结构和功能的研究进展

The Progress in the Investigation on the Structure and Function of the Extrinsic Proteins of Photosystem II

化学交联处理对PSⅡ放氧核心复合物荧光光谱的影响

Effects of crosslinking on the fluorescence spectra of oxy gen-evolving ps ⅱ core complexes

具放氧功能的PSⅡ反应中心复合物的分离及其特性

Further Studies on the Isolation and Characterization of the Oxygen-Evolving PS ⅱ Reaction Center Complex

当结合Mn游离量达57%时，放氧活性降为零。

When the release percentage of bound Mn reached up to 57 % , the oxygen-evolving activity decreased to zero .

巨大螺旋藻PSⅡ颗粒光合放氧与多肽组成关系的研究巨大螺旋藻工业化养殖条件初探

Study on the relation of photosynthetic o_2-evolution and polypeptide composition of ps ⅱ particles from blue-green algae Spirulina maxima

本文采用生物化学和生物物理的方法，对光合膜脂PG在维护光系统Ⅱ（PSⅡ）颗粒放氧功能方面的作用进行了研究。

The effects of PG on Oxygen evolving activity in PSII were studied by methods of Biochemistry and Biophysics .

光合放氧是植物光系统II（PSII）的重要功能之一。

In green plants , oxygen evolution is one of the most important physiological function of photosystem II ( PSII ) .

Cd处理铜绿微囊藻条件下，测定了铜绿微囊藻生长、色素含量、叶绿素荧光、光合放氧、暗呼吸、电子传递活性以及细胞内Cd含量的变化。

Growth , pigments content , chlorophyll fluorescence , oxygen evolution , dark respiration , electron transport activities , and Cd content of cells were measured on Cd-exposed material .

它们光合作用温度曲线的差异性表明，突变品系Sp－ALT1的最适放氧温度比出发品系低。

The temperature curves of photosynthesis showed that the optimum temperature of oxygen-evolution of SP-ALT , was lower than that of the initial strain .

CeO2以其独特的吸放氧特性，已广泛应用于汽车尾气净化、固体氧化物燃料电池等。

CeO_2 has been found to have fairly high oxygen storage and release capacity and widely used in cleaning automotive exhaust and SOFC to enhance to oxygen transport .

第一部分包括天线和反应中心的结构、放氧机理和ATP合成的分子机理；

The first part covers the structure of antenna and reaction centers , the mechanism of oxygen evolution , and the molecular mechanism of ATP synthesis .

PSⅡ颗粒放氧复合物包含有12条多肽，较高等植物多肽组分复杂；

SDS-PAGE profile indicated that the PS ⅱ particles contained 12 polypeptides , hence the composition of PS ⅱ polypeptides was more complicated than that of higher plant .

本文综述了用电子顺磁共振、外延X射线吸收精细结构、X射线吸收边光谱以及电子吸收光谱所得到的放氧复合物的结构和光合放氧的机理。

Study of the possible structures of the oxygen evolving complexes ( OEC ) and of the mechanism of photosynthetic oxygen evolution by EPR , EXAFS , XAES and electron absorption spectra has been reviewed .

CeO2作为载体材料具有储氧和放氧的功能，可提高催化剂的效率。

CeO2 materials have oxygen storage and release function , and it has synergistic effect with the noble metal .

结果显示：连续照光4h质体膜蛋白表现出明显的PSⅠ和PSⅡ活性，同时绿豆幼苗叶片也有比较明显的放氧活性；

It showed that the membrane proteins of plastids presented obvious activities and the seeding leaves showed obvious activities of releasing oxygen after 4h of continuous illumination .

高等植物光系统Ⅱ（PSⅡ）中膜结合的33kD外周蛋白对锰分子簇的稳定及PSⅡ高放氧活力的维持具有重要意义。

The extrinsic 33 kD protein of photosystem ⅱ( PS ⅱ) plays an important role in the stabilizing of manganese cluster and maintaining high oxygen evolving activity of PS ⅱ .

较高浓度的CaCl2和Ca（NO3），处理引起藻体中结合态Mn的游离和藻的放氧活性的下降。

Treatments with CaCl_2 and Ca ( NO_3 ) _2 at high concentrations induced the release of bound Mn and the decrease of oxygen-evolving activity of the cyanobacterium .

修饰后的33kD外周蛋白对PSⅡ颗粒的重组能力减弱。部分重组上经NBS修饰的33kD蛋白的PSⅡ颗粒放氧活力得不到恢复。

The protein 's capability of reconstitution to the PS ⅱ decreased after modification , and no oxygen evolving activity of PS ⅱ was recovered after the reconstitution .

添加Sn后IrO2/Ti阳极在30%H2SO4中放氧行为研究

Oxygen releasing behavior of iro_2 / ti anode with Sn addition in 30 % h_2so_4 solution

但将循环光合磷酸化之ATP形成能力与非循环光合磷酸化之放氧能力相比较，则其比例在不同时期相差不大。

When the capacity of ATP formation by cyclic photophosphorylation was compared with the O_2 evolving power by non cyclic photophosphorylation , no such difference in ratio during greening was observed .

结果表明，随着黄瓜体内LaCl3浓度的升高、其荧光量子产率、PSⅡ最大光化学效率、放氧活性和电子传递速率都明显降低。

Were studied . Results show that the fluorescence yield , maximal efficiency of PS II photochemistry , oxygen evolution and electron transport rate are decreased when LaCl_3 concentrations in cucumber are increased .

NBS修饰~（241）Trp对33kD外周蛋白与PSⅡ的结合及放氧活性恢复的影响

The Influence of NBS Modification of 241 Trp on the Reconstitution of 33 kD Protein with PS ⅱ and on the Recovery of Oxygen evolving Activity

叶片光合功能衰老延缓，即叶片PSⅡ光化学效率（Fv/Fm）和光合放氧在衰老后期保持在较高水平，光合色素含量快速降解出现较迟。

The content of photosynthetic pigments , PS II photochemical efficiency ( Fv / Fm ) and photosynthetic O2 evolution maintained higher value in flag leaves of treated plants than that of the control .

合成了6个模型化合物并用以探讨PSⅡ的放氧复合物（OEC）中Mn簇的结构特征。

Six model compounds have been synthesized and used for probing the structural features of the Mn cluster in oxygen_evolving complex ( OEC ) of photosystem ⅱ ( PS ⅱ) .

研究了高浓度LaCl3对黄瓜（CucumissativusLinn.）的光系统Ⅱ（PSⅡ）光诱导荧光动力学参数、低温荧光光谱和放氧活性的影响。

The effects of LaCl_3 on PS II light-induced fluorescence kinetics , low temperature fluorescence spectrum combining with oxygen evolution of cucumber ( Cucumis sativus Linn . )

钽处理对钛基IrO2电极组织及放氧行为的影响

The Effect of Ta Surface Treatment on the Microstructure and Behavior of Oxygen Evolution of IrO_2-Ti Anode

当降低培养液中锰浓度或用6μMEDTA处理，使藻中游离Mn~（2+）量下降时，放氧活性不变。

When alga grew in culture medium with low Mn concentratin or was treated by 6 μ M EDTA , its Mn2 + content decreased , but O2 evolution activity did not change .