氧化测定法

This paper describes the oxidation behavior of boron carbide in air bythermogravity analyses method.The lowest oxidation temperature is 420+10℃.

本文介绍了碳化硼在空气中的氧化行为，用的是热重分析法，测定出碳化硼的最低氧化温度为 420±10℃，高于 560℃氧化加速。

It has been observed that pyrocatechol and m-phenylenediamin can sensitively inhibit the discoloration of neutral red oxidation by the H2O2 and in the presence of catalyzer Fe in dilute sulfuric acid solution but the inhibitory effects of two organic compounds can not be added. Based on this research, the advantages of artificial neural network were adopted to handle the experimental data and a new inhibitory kinetic spectrophotometry of simultaneous determination for pyrocatechol and m-phenylenediamin with artificial neural networks was established.

在硫酸性介质中，Fe能够催化H2O2氧化中性红褪色反应，邻苯二酚和间苯二胺都能阻抑该催化氧化褪色反应的速度，研究发现：两者对Fe催化H2O2氧化中性红褪色反应阻抑作用不具有加和性，根据这一现象，用人工神经网络处理非线性体系的优势进行数据处理，从而建立了一种新的测定邻苯二酚和间苯二胺混合物的人工神经网络阻抑动力学光度法。

The content of potassium oxide, sodium oxide and zinc oxide in blast furnace burden was simultaneously determined by inductively coupled plasma atomic emission spectrometry.

采用电感耦合等离子体原子发射光谱法同时测定高炉炉料中氧化钾、氧化钠和氧化锌的含量。

The hydroxyl free radical scavenging rate was determined by phenanthroline spectrophotometry, and the antilipoperoxidant was determined by colorimetry.

采用邻二氮菲分光光度法测定经自由基的清除率，比色法测定其对脂质过氧化的抑制作用。

Methods The levels of lipideperoxygen in liver and serum were measured by thiobabituric acid and phosphotungstic acid,respectively. The cell cycle and apoptosis were detected by flow cytometry.

肝脏和血清过氧化脂质测定分别采用硫代巴比妥酸法及磷钨酸法，细胞周期及细胞凋亡测定采用流式细胞术。

According to studying the factors of using a series of rhodanine ramifications to determine metal ions by catalytic fluorescence method and by utilizing the strong catalysis of metal ions to potassium periodate oxygenating rhodanine, a catalytic fluorescence method of using the new type rhodanine ramifications to determine trace tin, antimony and cobalt was established.

首次研究了系列若丹宁衍生物在催化荧光法测定金属离子中的各影响因素，利用痕量金属离子对高碘酸钾氧化若丹宁具有强烈催化作用的性质，建立了新型若丹宁物质催化荧光法测定痕量锡、锑、钴的新方法。

Utilizing the intense catalysis of metal ions to peroxide oxygenating rhodanine, a catalytic fluorescence method of using the new type rhodanine to determine trace iron, cobalt, copper, tin and antimony was established.

利用痕量金属离子对过氧化氢氧化若丹宁具有强烈催化作用的性质，建立了一系列利用新型若丹宁物质催化荧光法测定痕量铁、钴、铜、锡和锑的新方法；较系统研究了系列若丹宁衍生物在催化荧光法测定金属离子的各影响因素，确定了反应的最佳条件，计算了动力学参数。

Their direct electrooxidative behaviors and the parameters of electrochemical kinetics were obtained by cyclic voltammetry,bulk electrolysis with coulometry,chronocoulometry,chronoamperometry.

运用循环伏安法考察了苦参碱和槐定碱的直接电化学氧化行为，用控制电位电解库仑法、计时库仑法、计时电流法测定并计算了它们的电化学动力学参数。

Result and conclusion: The electrochemical experimental results show that the two totally irreversible oxidation peaks in the region of 0.3-1.2 V vs SCE for both MT and SR were observed,and the electrode reactions processes were diffusion-controlled.Their electron transfer number n and electron transfer coefficient α were obtained by CV and electrolysis with coulometry.The diffusion coefficient D and rate constant k f were also calculated by CC and CA.

结果与结论：在0.30~1.2 V电位窗口内，MT和SR均产生1个不可逆氧化峰，并且它们的电极反应均受扩散步骤控制；用控制电位电解库仑法和循环伏安法得到MT和SR的电极反应电子转移数n和电荷转移系数α，运用计时库仑法和计时电流法测定了它们的扩散系数 D 及电极反应速率常数kf。

Determining zineb fungicide using a flow-injection chemiluminescence method FANG Lu-qiu (Department of Environment and Chemistry, Fuling Normal University, Chongqing 408003, China) Abstract: N-bromosuccinimide was used to oxidize zineb under basic conditions, producing a strong chemiluminescence signal.

流动注射化学发光法测定杀菌剂代森锌的含量方卢秋(涪陵师范学院化学及环境科学系，重庆 408003)摘要：在碱性条件下，N-溴代丁二酰亚胺直接氧化代森锌产生强烈的化学发光信号，结合流动注射技术，建立了测定杀菌剂代森锌含量的流动注射化学发光分析法。

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。