查询词典 catalase

C. 1. 11. 1. 6 is an enzyme present in the cells of all aerobically living organisms, which catalyses very efficiently the decomposition of hydrogen-peroxide into water and oxygen. Catalase exerts various physiological functions.

它广泛存在于好氧细胞中，其主要的生理作用就是催化H〓O〓分解为H〓O和O〓使得H〓O〓不致于与超氧化物自由基反应生成非常有害的·OH。

Soil urease activity, sucrase activity, catalase activity and alkalescent phosphats activity reduced along with the soil layer.

随着农田的风蚀沙化，土壤中粉砂粒含量、有机质和养分含量急剧下降，中砂粒含量趋于增大。

A pot experiment was carried out to study effects of Cu stress on growth of Alternanthera philoxeroides, content of chlorophyll, biomass of the plant, and activity of four species of soil enzymes (Invertase, Catalase, Urease and Phosphatase).

通过盆栽实验，研究了不同浓度铜胁迫对外来杂草水花生植株生长、叶绿素含量、生物量及土壤酶活性的影响。

Seedlings of one-year-old Broussonetia papyrifera L. were subjected to the drought stress of soil under different moisture conditions. The injury degree of cell plasma membrane and the correlative enzyme activity of plasma-membre protection system in the leaves of the seedlings were studied. Their relative conductivity, MDA content and activities of superoxide dismutase, catalase and peroxidase were measured.

以盆栽当年生构树幼苗为实验材料，研究不同程度土壤干旱胁迫下及复水之后构树叶片细胞质膜的伤害程度、丙二醛含量和其酶促抗氧化保护系统（超氧化物歧化酶SOD、过氧化氢酶CAT和过氧化物酶POD）的活性。

Histidine and carnosine post-treatments significantly up-regulated the expression of catalase mRNA, and down-regulated mRNA expression of IL-6 and TNF-alpha.

随著组胺酸或肌的摄取浓度增加，会向上调控增加过氧化氢mRNA的表现，并向下调控介白素-6和肿瘤坏死因子-alpha的mRNA表现。

The role of nitric oxide in abscisic acid-induced antioxidant defense in leaves of maize plants was investigated. Treatments with SNP or ABA enhanced the activities of chloroplastic, apoplastic and total superxide dismutase, catalase, glutathione reductase and ascorbate peroxidase in leaves of maize plants.

用硝普钠和ABA处理玉米幼苗，结果显示，ABA和SNP均增强了玉米叶片中抗氧化酶SOD、CAT、GR和APX的活性；激光共聚焦显微检测显示，ABA能够诱导叶片中NO的合成；NO清除剂PTIO和合成抑制剂L-NAME预处理阻断了ABA诱导的抗氧化酶活性的上升及NO的合成。

The activity of antioxidant enzymes including peroxide, catalase and superoxide dismutase in crustose aerial hypha and rhizomorphs of A. mellea, as well as the differences in the activity of antioxidant enzymes increased with increasing Mg concentration in growth medium.

随着培养基中Mg浓度的提高，菌丝和菌索POD、CAT、SOD活性都有增加，而且菌丝与菌索之间抗氧化酶活力的差异随着培养基中Mg浓度的提高而增大。

And Echinochloa crusgalli L. were studied. Both of the aqueous extract from aerial part and root of T. repens inhibited the germination rate of weed seeds, root activity and respiratory rate, and the activities of superoxide dismutase peroxidase and catalase of germinating seeds; enhanced the activity of peroxidase and the content of malondialdehyde.

结果表明，白三叶草地上部分水浸液和根部水浸液显著抑制苘麻和稗草种子的发芽率，降低了杂草种子萌发过程中超氧化物歧化酶，过氧化氢酶的活性，抑制了杂草种子萌发过程中的呼吸速率，根系活力，明显提高了杂草种子过氧化物酶活性和丙二醛的含量。

And Echinochloa crusgalli L. were studied. The result showed that both of the aqueous extract from aerial part and root of T. repens inhibited the germination rate of weed seeds, root activity and respiratory rate , the activities of superoxide dismutase peroxidase and catalase of germinating seeds, enhanced the activity of peroxidase and the content of malondialdehyde.

结果表明，白三叶草地上部分水浸液和根系分泌物显著抑制苘麻和稗草种子的发芽率，降低了杂草种子萌发过程中超氧化物歧化酶、过氧化氢酶的活性，抑制了杂草种子根系活力，显著提高了杂草种子过氧化物酶活性和丙二醛的含量。

Methods: The HUVEC was incubated with exogenous AGEs for 12 h, and ergamine and catalase were used as control. The activity, monolayer permeability, apoptosis rate, biochemical indexes and morphous changes were detected in HUVEC.

外源性AGEs与HUVEC共孵12h，以组胺和过氧化氢酶为对照，检测内皮细胞的活性、单层通透性、凋亡率及细胞培养液生化指标，并且观察内皮细胞形态学改变。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。