过氧

The yields of peracetic acid is studied from two different preparation methods using hydrogen peroxide and acetic acid or acetic anhydride .

比较了用乙酸和乙酸酐分别与过氧化氢反应制备所得的过氧乙酸的浓度。

Severe burns may result from direct skin contact, irreversible damage or blindness from direct contact of the chemical to the eyes, and inhalation of per- acetic acid vapor or mist will irritate the nose, throat, and lungs. Currently there

直接接触皮肤会导致严重烧伤，此化学品与眼睛直接接触会导致不可逆损害或致盲，吸入过氧乙酸的蒸汽或雾会刺激鼻腔、喉和肺部。

Experimental results indicated that performic acid and hydroxyl radical produced in 30% H2O2-HCOOH-Fe(superscript 2+) were combined to oxidize model organic sulfide with desulfurization ratio of over 96%. Catalytic performance of the combination of Fe(superscript 2+) and formic acid was higher than thin of only formic acid.

实验结果表明：30%H2O2-HCOOH-Fe(上标 2+)产生的过氧甲酸和羟基自由基能迅速将模型有机硫化合物氧化，氧化脱硫率可达到96%以上，Fe(上标 2+)和甲酸的催化氧化性能明显优于单纯使用甲酸。

AIM:To study the effect of ONOO- on the airway epithelial injury.

目的：探讨过氧亚硝基阴离子对气道上皮细胞的损伤作用。

Benzoyl peroxide is most effective at treating acne and is available in a variety of forms and strengths.

过氧苯甲酰是最有效的治疗药品，并且可以通过多种方式获得。

In this paper, we theoretically and experimentally discussed a new bleaching technique using environmental friendly peracetic acid as initial bleacher for flax textile by two-step Total Chlorine Free method.

本文从理论上和实验上详细研究了利用环保型漂白剂过氧乙酸作为两步漂白法中的初漂剂对亚麻织物漂白的新工艺。

Generation of product was observed under340～370nm in the reaction of rutin and α-hydroxy ethyl peroxyl radical. The observed1st order build-up and decay of the new product was calculated to be (1.11±0.08)〓, respectively.

在340～370nm观察到了芦丁与有机过氧自由基反应体系中新物质的生成，并计算得到了新物质生成和衰变的的表观一级反应速率常数分别为〓和〓。

The results indicated that the magnitude of the activity of catalase in red flour beetle has positive correlation with the resistance level to phosphine, and the resistance to phosphine of the insect may be associated with the activity increase of catalase.

结果表明赤拟谷盗虫体内过氧氢酶的活性大小与其对磷化氢的抗性水平高低呈正相关，害虫对磷化氢的抗性可能与过氧化氢酶的活性增加有关。

The specific activity of catalase in resistant and susceptible strains of red flour beetle, Tribolium castaneum, was mensurated, wherein distinct difference in the resistance to phosphine existed among the four strains.

比较研究了3个对磷化氢抗性有明显差异的赤拟谷盗Tribolium castaneum品系与敏感品系虫体内过氧氢酶的比活力。

There six chapters in this dissertation: the overview on the study of probing for reactive oxygen species, spin-labelled fluorophore as probe for free radicals, Fe -EDTA chelate-induced aromatic hydroxylation of terephthalate as a new method for the evaluation of hydroxyl radical-scavenging ability, study of fluorimetric method for the determination of peroxynitrite, study of spiro-formed rhodamine B hydrazide as a novel fluorescent probe in analytical chemistry, the conclusion and prospect of the present research work.

本论文分六章，包括生物活性氧表征的研究进展、自旋标记荧光探针表征自由基的研究、利用Fe-EDTA引发对苯二甲酸芳环羟基化反应评价抗氧化剂清除羟基自由基能力的研究、荧光法表征过氧亚硝酸根的研究、螺环型罗丹明B酰肼化合物作为新型荧光探针的性质及应用的研究、结论与展望。

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。