二氧化物

The paper mainly studied the effects of different concentration of Cd single and Cd+Se 0.05 mmolL^(-1 combined pollution on dynamics of chlorophyll, proline, malondialdehyde and SOD, POD, CAT in corn seedling using the solution culture method.

采用溶液培养法，在不同浓度Cd单一及Cd+Se复合污染下，对玉米体内叶绿素、脯氨酸、丙二醛，以及对超氧化物歧化酶、过氧化物酶、过氧化氢酶活性的动态变化进行测定。

Were investigated in pot culture under three water treatments: well watered , middle drought treatment and serious drought treatment .The contents of malondialdehyde and soluble sugar, superoxide dismutase, catalase, peroxide dismutase, polyphone oxidase and ascorbic acid peroxidase activities were compared between plants infected with Glomus mosseae and those not infected (Non-AM plants) at different water-treatments.

试验设置正常浇水、中度干旱和重度干旱3个水分处理水平，比较不同水分条件下接种Glomus mosseae的三叶鬼针草植株与未接种植株的丙二醛含量、可溶性糖含量、超氧化物歧化酶、过氧化氢酶、抗坏血酸过氧化酶、过氧化物酶和多酚氧化酶活性。

Methods Ponceau 4R was administrated orally to different groups of Drosophila melanogaster, Median lethal dose （LC50） was estimated by acute toxicity test; lifespan was tested by drosophila survival experiment; superoxide dismutase and maleic diadehyde were evaluated at different periods.

方法经口喂饲果蝇不同浓度胭脂红，通过急性毒性试验测定胭脂红半数致死浓度（median lethal dose，LC50），采用生存试验检测果蝇寿命，测定不同时间果蝇体内总超氧化物歧化酶（superoxide dismutase，SOD）活性及丙二醛（maleic dialdehyde，MDA）含量。

As material, The changes of the contents of chlorophylls, MDA, praline and the activity of SOD of I. pseudacorus L. leaves were studied with different Pb concentration and different treatment time by sand culture. The results showed that the contents of chlorophylls in the leaves of I.

为材料，采用沙培方法，对不同Pb浓度(0、2、4、6、8、10mmol/L)和处理时间(7、14、21、28d)胁迫下植物的叶片叶绿素、丙二醛和脯氨酸含量以及超氧化物歧化酶活性的变化进行了研究。

Objective To observe the effect of Fuming Tablet on the content of ATP and MDA, and the activity of SOD in retinal tissue of rabbit retinal detachment and reattachment model.

目的观察复明片对视网膜脱离（retinal detachment，RD）及复位视网膜组织中三磷酸腺苷、丙二醛含量和超氧化物歧化酶活性的影响。

The effect of treatment content of MDA with rhizobium alone is always higher than that of CK at different growth stages in tobacco root ,stem and leaf cells, and rhizobium could induce activity of SOD and content of soluble protein to increase in the first and the second week.

在实验中，我们测定了以上四种处理对不同发育周期烟草不同组织来源的超氧化物歧化酶的活性，丙二醛，可溶性蛋白和叶绿素含量以及根尖细胞染色体的影响。

RMF may prevent and treat focal cerebral ischemia/ reperfusion injury in rats.

旋磁场对大鼠局灶性脑缺血再灌注损伤具有预防和治疗作用，此作用可能与减轻脑水肿，提高超氧化物歧化酶的活性，降低丙二醛的含量有关。

The results of physiological indexes analysis under different salt stress condition showed that cell membrane permeability of all species increased along with the increasing of NaCl concentration, and concentrations of Na+, Cl-, proline, soluble sugar, saccharose and malondialdehyde showed the same tendency.

不同盐浓度胁迫下各项生理生化指标的测定结果表明：随着盐胁迫强度的增加，四种植物的膜透性增大，Na+、Cl-、脯氨酸、可溶性总糖、蔗糖和丙二醛含量都呈增大的趋势，高碱蓬和镰叶碱蓬的Pro含量增加迅速，明显比盐角草和盐爪爪高，盐角草Na+、Cl-含量明显高于其它三种植物，K+、Ca2+、Mg2+、叶绿素含量，过氧化物酶、超氧化物岐化酶和过氧化氢酶活性和K+/ Na+都呈下降的趋势。

Western blot was used to measure HSP70 of ischemia and non-ischemia myocardium and the expression of HSP70 was analyzed semiquantitatively.

采用蛋白质免疫印迹法检测各组缺血区和非缺血区心肌组织HSP70含量，并检测血清一氧化氯、丙二醛含量及总超氧化物歧化酶、肌酸激酶活性变化。

Objective To investigate the effect of high germanium ganoderma on the activity of serum superoxide dismutaseand malondialdehyde of natural senescent rats.

目的 探讨高锗灵芝对自然衰老大鼠血清超氧化物歧化酶、丙二醛的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。