根据测量吸光率的变化速度即可测出过氧化氢酶的活性。
The variation rate was able to determine the catalase vigor.
方法测定小鼠血液中超氧化物歧化酶和过氧化氢酶的活性。
Methods The activities of SOD and catalase in mouse blood were determined.
主要观察指标：大鼠血脂水平和超氧化物歧化酶及过氧化氢酶的活性。
MAIN OUTCOME MEASURES: Level of blood lipid and activities of SOD and catalase in rats.
过氧化物酶、过氧化氢酶活性在不同湿度下受温度的影响不同。
Activity of enzyme (peroxidase, catalase) in spikelets was differently influenced by temperature under different humidity.
施肥对蔗糖酶和过氧化氢酶活性的影响较小。
Fertilization shows no significant effects on the activities of catalase and sucrase.
通过在棉花生育期喷施不同种类农药，试验测定棉叶内过氧化氢酶、过氧化物酶活性的变化趋势。
Effects of agrochemicals on activity of catalase, peroxidase in cotton are conducted by a trial with spraying several pesticides over cotton.
研究了12个不同抗性水平的烟草品种接种黄瓜花叶病毒前后过氧化氢酶活性的动态变化及其与烟草抗病性的关系。
The change of catalase activity in 12 tobacco cultivars with different resistances after inoculating cucumber Mosaic virus and its relationship with tobacco resistance were studied.
结果表明，叶片过氧化氢酶(CAT)、过氧化物酶(POD)、超氧化物歧化酶(SOD)活性随着温度的升高而逐渐增加。
The results were as follows: the activity of CAT, POD and SOD in leaves increased gradually with the increase of temperature.
前三处理蔗糖酶、脲酶、过氧化氢酶、纤维分解酶、多酚氧化酶的酶活性都较清耕有显著或极显著提高；
The activities of sucrase, urease, catalase, cellulolytic enzyme and polyphenol oxidase of the former three treatments were all significantly higher than in the cleaning tillage.
研究了桉树萌生林、桉树植苗林、灌草丛和马尾松林地土壤中过氧化氢酶、蔗糖转化酶及脲酶的活性变化。
Variations of peroxidase, sucrose invertase and urease activity in soil from Eucalyptus coppice forest, Eucalyptus newly planted forest, shrub grassland and masson pine forest have been investigated.
同时，土壤腐殖质含量与纤维素酶活性、纤维素酶活性与过氧化氢酶活性间有很好的相关性。
Further-more, there are well correlations between the content of humus and cellulase activity, between cellulase and hydrogen peroxidase activity.
叶片的过氧化氢酶活性与座果率呈负相关。
It showed the negative correlation between the catalase activity and fruit-bearing rate.
并对虫瘿的同工酶酶谱和过氧化氢酶活性进行了分析，对幼虫唾液腺内化学物质的活性进行了验证。
The isoenzyme pattern and the activity of hydrogen peroxidase were analysed. The activity of certain chemical substance in larva's saliva gland was verified.
采用室内试验方法研究了分散红3b及其代谢产物对土壤过氧化氢酶活性的影响。
Influence of disperse red 3b and its metabolites on catalase activity of soil was investigated.
用2%浓度的蔗糖基聚合物处理妃子笑荔枝，研究其对荔枝叶片的超氧化物歧化酶（SOD）、过氧化物酶（POD）、过氧化氢酶（CAT）活性的影响。
Litchi was sprayed by sucrose-based polymers with concentration of 2%. The activities of Superoxide dismutase(SOD), Peroxidase(POD)and Catalase(CAT)in the leaves of litchi were investigated.
此外，化感水稻PI根系分泌物对脲酶、磷酸酶、蔗糖酶的活性具有促进作用，而对过氧化氢酶则呈抑制作用。
Moreover, PI increased the activities of urease, phosphatase and sucrase, but decreased the catalase activity in its rhizosphere.
目的研究在丙溴磷农药作用下，油菜的抗氧化酶系统（ 过氧化物酶POD、 过氧化氢酶CAT）的活性变化。
Objective An experiment was carried out to study the effects of profenofos stress on the activities of catalase(CAT) and peroxidase(POD) in Brassica Napus.
杂交稻制种亲本的生理差异的比较研究发现，过氧化物酶、过氧化氢酶活性在不同湿度下受温度的影响不同。
The physiological differences of parental plants were studied. Activities of enzymes (POX and CAT) were differently influenced by temperature under different humidity.
过氧化氢酶和蔗糖酶活性呈现先上升，在灌浆期出现峰值后逐渐下降的变化规律。
The activities of soil catalase and invertase increased previously, reached the maximum at the jointing stage, and then decreased during the filling and harvesting stage.
结果还表明，菌根的促生长效应与菌根化苗木的叶绿素含量的增加及过氧化氢酶活性的提高呈正相关。
The result also show that:mycorrhiza' s promotion to Populus ussuriensis seedlings ' growth is directly related to the improvement of inoculated seedlings' chlorophyll content and enzyme activity.
而紫外分光光度法检测速率快，灵敏度高，操作简便，适于过氧化氢酶活性的快速定量测定。
The UV-Spectrophotometry was easy operated and had high sensitivity. It was fit for fast ration mensurate of CAT activity.
结果表明，在施用量超过田间推荐用量7倍的浓度范围内，碘甲磺隆钠盐对土壤中过氧化氢酶活性的影响不明显；
The results showed that when the concentration of iodosulfuron-methyl-sodium was 7 times as high as is recommended for field application also had no significant effect on soil catalase activity;
结果表明，在施用量超过田间推荐用量7倍的浓度范围内，碘甲磺隆钠盐对土壤中过氧化氢酶活性的影响不明显；
The results showed that when the concentration of iodosulfuron-methyl-sodium was 7 times as high as is recommended for field application also had no significant effect on soil catalase activity;
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