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1)  superoxide species
超氧物种
1.
In situ IR spectroscopy was used to study the superoxide species(O-2) for oxidative coupling of methane(OCM) over the BaF2/La2O3 catalyst.
结果表明,催化剂经O2预吸附后,在1 108~1 118 cm-1处出现超氧物种O2-的O-O键伸缩振动峰。
2)  Oxygen species
氧物种
1.
On the Active Oxygen species of ThO_2-La_2O_3/BaCO_3 Catalyst for OCM;
甲烷氧化偶联催化剂ThO_2-La_2O_3/BaCO_3上活性氧物种研究
2.
Transformation of various oxygen species adsorbed on electrolytic silver surface pretreated by pure oxygen at 423~973 K under ambient pressure was observed for the first time by in situ confocal microprobe Raman spectroscopy.
首次采用原位共焦显微激光拉曼光谱研究了经纯氧预处理后电解银表面吸附的不同氧物种在升温过程中相互转化的情况。
3.
Effects of re oxidation temperature and oxygen species of vanadium phosphorous oxide (VPO) catalyst on n butane selective oxidation to maleic anhydride (MA) were experimentally studied using on line mass spectroscopy (MS) transient measurement in a fixed bed micro reactor.
在固定床微型反应器中 ,利用在线质谱动态响应技术 ,考察了VPO催化剂再氧化温度和不同氧物种对正丁烷选择氧化制顺酐 (MA)的影响。
3)  Peroxide species
过氧物种
4)  superoxides
超氧化物
5)  superoxide [,sju:pə'ɔksaid]
超氧化物
1.
Evidence for Oldenlandia diffusa-evoked cancer cell apoptosis through superoxide burst and caspase activation;
白花蛇舌草激发肿瘤细胞产生超氧化物和激活半胱氨酸天冬氨酸蛋白酶诱导肿瘤细胞凋亡(英文)
2.
This paper has discussed the heat stableness order of the basic metal peroxides and superoxides by thermodynatic principles,and compared the results with the facts of the experiments.
本文用热力学原理讨论了碱金属过氧化物和超氧化物的热稳定顺序,并与实验事实进行了比较。
3.
A fluorescent method is proposed for the determination of superoxide dismutase (SOD) based on epinephrine autoxidation.
对肾上腺素自氧化反应进行了研究, 发现反应中间产物能发出较强的荧光, 其生成量受超氧化物歧化酶的抑制。
6)  surface oxygen species
表面氧物种
补充资料:活性氧物种
分子式:
CAS号:

性质:氧在电子转移过程中生成的具有较强活性的物质。常见有超氧自由基、过氧化氢、羟自由基及单线态氧等初级活性氧。初级活性氧与生物分子作用还可产生次级活性氧物种,如脂质过氧化物等。生物体内活性氧可造成对生物分子的损伤进而诱发疾病的产生。

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