查询词典 oxidation

The result suggested that estrone in aqueous solutions undergoes photodegradation resulting in the breakage and oxidation of benzene rings and production of compounds containing carbonyl groups.

应用荧光光谱法和红外光谱法研究了在125 W高压汞灯(λ≥365 nm)照射下，水中雌酮的光降解反应以及雌酮初始浓度、pH值及Fe3+对雌酮光降解速率的影响。

The new aproach of which can be achieved via the oxidation of 2-naphthylamine (39) by CuCl〓benzylamine or ethanolamine (2: 1) in methanol under mild condition with isolated yield up to 74％.

本文开发出利用2-萘胺（39）为原料，以氯化铜—苄胺或乙醇胺（2：1）作为氧化偶合试剂，在温和的条件下和甲醇溶剂中，以高达74％的产率合成40的新方法。

Amphoteric tapioca starch with carboxyl groups was produced via crosslinking, oxidation and etherization reactions. The product was then characterized by means of SEM, XRD and colloid titration, with the preparation mechanism being also investigated.

采用交联、氧化和醚化反应制备羧酸型两性淀粉，通过扫描电子显微镜、X射线衍射、胶体滴定等方法对该淀粉进行表征，并研究了该两性淀粉的合成机理。

The total oxidation temperature for toluene, acetone, and ethyl acetate was at 220, 260, and 280 ℃ for the catalyst calcined at 500 ℃, respectively.

该催化剂上甲苯、丙酮和乙酸乙酯的完全氧化温度分别为220、260和280℃。

The catalyst shows good activity for the oxidation of toluene, acetone and ethyl acetate.

研究了阳极氧化的电流密度和电解液种类等因素对阳极氧化膜形成的影响，以及还原时间和焙烧温度对催化剂氧化活性的影响。

Upon CV and DPV experiments, the reduction and oxidation potential of these porphyrins were shown to be similar to each other. This suggests that different PAHs ethynyl substitutes would have similar effects on electrochemical properties of the porphyrin molecule.

在电化学探讨部份，接上不同多环芳香族取代基的紫质分子之氧化还原电位彼此都相当类似，表示这些紫质光敏剂的能隙相当接近，不同的多环芳香族取代基对於紫质分子的电化学性质影响程度相当接近。

This is one of the most widely used tests for evaluating the extent of lipid oxidation.

这是衡量油脂氧化程度的应用最广泛的试验之一。

Oxygen that is evoluted in the anode and arsenic acid will have oxidation-reduction to produce arsenic acid. It can evolute a great amount of hydrog...

在铜含量较低时阴极析出大量氢气，阳极析出氧气，极大地浪费了电能；在析出氢气的同时逸出砷化氢，砷酸、亚砷酸在阴极直接发生还原反应也产生砷化氢气体，从而严重地污染了环境。

Green tea: green tea polyphenols in the role of anti-oxidation and promote excretion of toxins the human body.

绿茶：绿茶中的茶多酚具有抗氧化的作用，并能促进人体内的毒物排泄。

It has have good oxidation stability, extreme low pour point, good demulsibility and excellent anti foaming properties.

它具有良好的氧化稳定性，极低倾点，良好的化学稳定性和抗泡沫性能。

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。