1) anoxic-reoxygenation
缺O_2/复O_2
1.
In order to study the protective effect and mechanism of preconditioning with cinnabar phenic acid B on the cardiac cell, based on the mechanism of anoxic-preconditioning, we establish the damaging model of anoxic-reoxygenation on the cell by the technique of cultivating cardiac microvascular endothelial cell (CMEC) and cardiac cell in vitro.
为研究丹酚酸B预适应的心脏细胞保护作用及机制，我们基于缺氧预适应(HPC)机制，通过心脏微血管内皮细胞(CMEC)和心肌细胞体外培养技术，建立缺O_2／复O_2损伤的细胞模型，以细胞活力、乳酸脱氢酶(LDH)、一氧化氮(NO)、超氧化物歧化酶(SOD)、内皮素(ET)等生化指标及超微结构变化为评价标准，观察了丹酚酸B预适应的细胞保护效应；并采用以蛋白激酶C(PKC)抑制剂chelerythrine、K_(ATP)通道阻滞剂优降糖为工具药的方式和对内源性保护物质PKC、热休克蛋白70(HSP70)的mRNA表达影响角度，探讨了丹酚酸B预适应的细胞保护机制，这是本文研究内容的核心。
2) oxygen
[英]['ɔksɪdʒən] [美]['ɑksədʒən]
O_2
1.
A new instrument of measuring gas solubility was developed,and the solubility values of carbon monoxide, oxygen and other gases in phenol were measured respectively within temperature range of 55 to 95 ℃ and pressure range of 1.
建立了一套用于测定高中压下气体在黏度大、易结晶高黏度溶剂中溶解度的汽液平衡测定装置,该装置采用整体温浴、流动的方法很好地解决了溶剂苯酚易结晶而带来操作困难的问题,利用该套高中压汽液平衡测定装置,在不同温度和压力下,测定了CO_2、CO、N_2、O_2气体在纯苯酚中的溶解度数据。
2.
Some strains have the ability of both reducing oxygen and nitrogen at the same time, while some strains have capability of denitrification when there is enough oxygen.
人们发现一些特别的菌种可以在好气条件下同时利用氧气和氮氧化物进行呼吸作用,有一些菌株所需的反硝化条件是微好氧或者是半好氧,而有些菌株则可以在完全好氧状态下进行反硝化作用,如Thiosphaera pantotropha[35]能在氧气浓度很宽的情况下同时进行硝化和反硝化,在有氧气的条件下能够监测到NO_3~-、NO_2~-、NO、N_2O还原酶的活性,但反硝化速度远比厌氧条件下低。
3) O2
O_2
1.
The adsorption of O2 at oxygen vacancy site (F, F+ or F2+ site) and magnesium vacancy site (V, V- or V2-site) has been studied using cluster models embedding in a large array of point charges coupled to density functional method at B3LYP/6-31G(d) level.
在密度泛函理论的框架下,采用嵌入点电荷簇模型研究了O_2在具有氧缺陷和镁缺陷MgO(001)表面上的吸附。
2.
The ClCu (η2 - O2) and ClCuNN complexes have been isolated by codeposition of laser ablated CuCl2 or CuCl targets with O2/Ar or N2/Ar mixtures at 11K.
激光烧蚀CuCl_2或CuCl靶的产物与O_2或N_2共同沉积在11K的Ar基质中,在1175。
4) O2/O_2~(·-)
O_2/O_2~-
5) O2-TPD
O_2-TPD
6) evolution oxygen
析O_2
1.
Development of Ni evolution oxygen electrode for water electrolysis;
电解水Ni析O_2电极的研制
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