查询词典 scavenging

Methods The methods of DPPH , pyrograllol auto-oxidation and salicylicl acid were used in order to get the scavenging quality of DPPH free radical , superoxide free radical O2-.

方法采用DPPH法、邻苯三酚自氧化法、水杨酸法，分别测定缬草醚酯提取物清除DPPH自由基、超氧阴离子自由基和羟自由基的能力。

Based on Fenton reaction and the auto-oxidation of pyrogallol, the anti-radical activity of morinda officinalis how was studied by spectrophotometry. The morinda officinalis how has obvious scavenging effects on hydroxyl radical and superoxide anion radicalO2(superscript - with the efficiency related to concentration of morinda officinalis how.

基於Fenton反应和抑制邻苯三酚自氧化原理，分光光度法测定体系吸光度的变化研究巴戟天抗自由基活性，证明巴戟天对羟自由基及超氧阴离子自由基O2(上标-均有良好的清除作用，清除率与巴戟天的浓度有一定的量效关系。

In the range of test concentration, the maximum scavenging or inhibition rate of apple polyphenol extracts to linoleic acid auto-oxidation, nitroso, hydroxyl radical generated by Fenton reaction, superoxide anion radical generated by illuminating riboflavin and pyrogallol auto-oxidation was 94.4%, 95.76%, 96.64%, 95.19% and 90.48% respectively.

在试验浓度范围内，其对亚油酸自氧化、NO_2~-、Fenton反应产生的羟自由基及光照核黄素和邻苯三酚自氧化产生的O？

Fenton reaction was used to produce hydroxyl free radical, Rhodamine B was used as fluorescence indicator, and the detection solution is phosphate salt buffer. The measurement system was set up to measure the effects of nanose scavenging hydroxyl free radical.

Fenton反应产生稳定羟自由基，罗丹明B为荧光指示剂，磷酸盐缓冲液中检测了纳米硒清除羟自由基的效果。

A half-Keystone cross-section top- ring with improved carbon scavenging abilities is used, and the groove for the top ring is made more durable with the adoption of a cooled ring carrier that increases the groove's cooling capability.

当与对压缩机的一侧，从而降低了刀片和之间的压缩机房屋清拆封严相结合，提供卓越的涡轮增压器，这些反应几乎所有的发动机转速。

The chemical components of the coriander seed essential oil,extracts of the residue and the ability of scavenging sodium nitrite were studied.

研究了黑龙江产芫荽籽精油成分和精油、残渣溶剂萃取物消除NaNO2的能力。

Results show that the automatic regulating ability of the active oxygen scavenging system of RS and HS patterns are stronger than that of CS. The activities range of SOD and POD of RS and HS patterns are stable. The content of MDA at dough stage under NC pattern is lower than that under other patterns, while the content of soluble protein under NC pattern is higher than that under other patterns, which represents the characteristics of delayed maturity.

结果表明：与常规耕作秸秆还田模式相比，旋耕秸秆还田和耙耕秸秆还田模式旗叶衰老过程中活性氧清除系统的自动调节能力较强，SOD、POD活性变化幅度较常规耕作模式平稳；免耕覆盖模式小麦旗叶在蜡熟期MDA含量显著低于其他模式，而可溶性蛋白含量显著高于其他模式，表现出明显的贪青晚熟的特点。

The Engineer shall measure the RPM of the Main Engine, draft, compression pressure in the cylinder, maximum pressure in the cylinder, load indicator, exhaust temperature, scavenging pressure and temperature, rpm of the supercharger, etc. to grasp the operating condition of the Main Engine, and also calculate

轮机员须测取主机转速、汽缸内的压缩压力、最大爆发压力、负荷指示、排烟温度、扫气压力和温度、透平转速等，获得主机操作工况，同时计算主机输出功率、燃油消耗率、汽缸油消耗率等，根据计算准备&主机输出功率报告&，这些必须经过大管轮的检查和验证，并递交轮机长。

Going to places where one is not asked, scavenging for bits of news from butlers and housekeepers

到一个您不想去的地方，从家庭主妇、男管家，追逐丑闻捡点新闻——也许是新手必需的工作。

Subsequently, the geometrical parameters of the scavenging port and exhaust port were evaluated by introducing the new mathematical models ...

所提出的关于二冲程微型摆式内燃机气口参数设计的数学模型为该种内燃机进行数值分析和优化设计提供了基础

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。