在充氧的溶液中检测到了超氧负离子自由基。
The superoxide anion radical was detected in the aerated solution.
超氧阴离子自由基由紫外光照射碱性核黄素溶液产生。
Super-oxide anion radical is produced by irradiating the basic solution of riboflavin.
采用密度泛函理论研究了氧负离子自由基与苯分子的反应。
The reaction mechanism between atomic oxygen radical anion and benzene has been investigated using the density functional theory (DFT).
用NBT法研究了配合物对超氧阴离子自由基的抑制作用；
Their inhibiting actions on the superoxide anions were examined by using nitroblue tetrazolium(NBT) method.
总黄酮精制物的超氧阴离子自由基清除能力与柠檬酸相当。
The O2 - · scavenging effect of the refined extract was similar to citric acid.
实验还表明还原NBT的还原剂很可能是超氧阴离子自由基。
The experiments indicated that it was possible that the reductant of NBT in the freeze thaw cycle was superoxide anion free radical.
目的探讨核桃仁清除超氧阴离子自由基(O·-2)的能力。
Objective it is to discuss the ability of walnut clearing oxygen free radical (o · -2).
电子转移生成离子自由基对后，电荷分离与逆电子转移过程相互竞争。
Quenching by electron transfer involves creation of an ion pair. Charge separation and back electron transfer is then a competitived process.
在皮瓣缺血再灌注后产生大量的超氧阴离子自由基，其变化十分活跃。
A great number of superoxide anion free radicals were produced after ischemia and reperfusion of skin flap with active change.
结果表明，不同器官组织中活性氧与抗超氧阴离子自由基含量各异。
Results showed that content of ROS and ASAFR vary between different organs and tissues.
目的研究二甲基亚砜碱性溶液中时间对超氧阴离子自由基浓度的影响。
OBJECTIVE to study the effects of the reaction time to the concentration of superoxide anion radical (o 2 -) produced in the alkaline dimethyl sulfoxide (DMSO) solution.
处于溶剂笼中的三重态离子自由基对经电子反传，产生激发三重态二烯。
Excited triplet diene is formed via back electron transfer between radical ion pair within a solvent cage.
还原剂的存在降低了单重态氧的生成并引起了超氧负离子自由基的生成。
The singlet oxygen production was decreased and superoxide anion radical production was initiated in the presence of reducing agents.
结果发现用NOS自旋捕捉剂可检测到该体系所产生的超氧阴离子自由基。
It was found that the superoxide radicals could be detected by NOS in the above system.
绿茶中的茶多酚清除自由基的能力较强，它们对超氧阴离子自由基具有很强的清除效应。
Green tea polyphenols in the free radical scavenging ability, they have a strong superoxide anion radical scavenging effect.
李子干含有的大量新绿原酸和绿原酸，是对付“过氧化阴离子自由基”特别有效的抗氧化剂。
Dried plums contain high amounts of neochlorogenic and chlorogenic acids, antioxidants that are particularly effective in combating the " superoxide anion radical".
另一章鱼胺衍生物oa05具有较高的超氧阴离子自由基清除能力，值得进一步关注和研究。
OA05, another octopamine derivative, had prominent scavenging effect against superoxide anion radicals, which was worthy of further study.
在非油质体系中，酶解物能很好的清除超氧阴离子自由基，但清除效果不如V_C的效果好；
In the system of non-oil, zymolytes can clear superoxide negative ion(O_2~-) but the effect of clear was not far from V_C;
过氧化氢是氧还原途径的产物，由分子氧双电子还原或者超氧阴离子自由基单电子还原产生。
Hydrogen peroxide is a part of the oxygen reduction pathway, produced by the two-electron reduction of molecular oxygen, or by the one electron reduction of superoxide anion radical.
超氧阴离子自由基清除能力大小依次为：抗坏血酸、柠檬酸、总黄酮精制物、总黄酮粗提物。
The order of the O2 - · scavenging effect was ascorbic acid, citric acid, the refined extract, the crude extracts.
用AM 1半经验方法，优化了吲哚和苯酚中性分子、正离子自由基和负离子自由基的几何构型。
The geometries of neutral indole and phenol, as well as their cation radicals and anion radicals, have been optimized by using AM1 method.
荧光猝灭及激光闪光光解实验证明四正丁基四氟硼酸铵能促进电荷分离过程而生成离子自由基对。
Fluorescence quenching and flash photolysis experiment proved that n-Bu_4NBF_4 could cause the dissociation of the exciplex to form separated radical ions effectively.
与WPC相比，SWPC清除羟自由基的能力显著提高，但清除超氧阴离子自由基的能力有所下降。
Compared with WPC, the effect of SWPC on scavenging hydroxyl radicals had been improved a lot, while diminished on scavenging superoxide anion radicals.
超氧阴离子自由基、羟基自由基的清除能力和还原能力强于胰凝乳蛋白酶酶解物和胃蛋白酶酶解物。
The scavenging capacities of the hydrolysates of WPI catalysted by papain and trypsin on DPPH free radical, superoxide and hydroxyl free radical are stronger than those of the hydrolysates of chymo…
我们根据实验结果并借鉴前人的经验，指出低聚物阳离子自由基向单体的链转移是诠释这一切问题的关键。
We find that the chain transfer reaction between oligomeric radical cations and monomers is the key to elucidate these questions.
研究2-乙基-3-羟基-6-苯硫基-4（1H）-吡啶酮（HPP）对羟自由基和超氧阴离子自由基的影响。
The effects of 2-ethyl-3-hydroxy-6-phenylthio-4(1H)-pyridinone (HPP) on hydroxyl radical and superoxide anion radical scavenging activity was studied.
烟酰胺是一种抗氧化剂，它能有效地预防细胞和细胞膜免去自由基的损伤，可消除炎症中起作用的超氧阴离子自由基。
Nicotinamide, an antioxidant, can efficiently protect cells and cell membrane from damage by free radicals and scavenge super-oxide radical(O-2) participating in inflammatory process.
烟酰胺是一种抗氧化剂，它能有效地预防细胞和细胞膜免去自由基的损伤，可消除炎症中起作用的超氧阴离子自由基。
Nicotinamide, an antioxidant, can efficiently protect cells and cell membrane from damage by free radicals and scavenge super-oxide radical(O-2) participating in inflammatory process.
应用推荐