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The non-isothermal degradation was found to be first order reaction. 研究发现热分解过程为一级反应。
The decomposition of a radioactive element is the simplest example of a true first order reaction. 放射性元素的衰变是真正一级反应最简单的实例。
The cis-trans isomerization reaction has been shown to be a first order reaction with an activation energy of 19 kcal/mole. 顺-反异构化反应系属一极反应,反应活化能为19千卡/克分子。
The degradation kinetics of phenol in RFFS followed apparent first order reaction kinetic model. 苯酚在RFFS中的降解动力学符合表观一级动力学模型，理论值与实验结果吻合较好。
The results show that their photolysis kinetics follows the first order reaction. 利用稳态光解法研究了其不同条件下的光解动力学，符合一级反应。
Both the disappearance dynamic of 14C in waters and the accumulation dynamic in hornwort followed the first order reaction kinetics model. 水体中14C的消失动态和金鱼藻对14C的积累动态均遵循一级反应动力学模型;
Photocatalytic reaction kinetics study shows that: in dilute aqueous solution of methyl orange photodegradation reaction is first order reaction. 对光催化反应的动力学研究表明，稀水溶液中甲基橙的光降解反应是一级反应。
Langmuir-Hinshelwood kinetic equation can describe the treatment of acetone with TiO2/UV, and it accords with Langmuir-Hinshelwood first order reaction kinetics. 研究表明,TiO2/UV光催化氧化室内丙酮气体效果较好,可用于室内的循环空气处理; 在一定初始质量浓度范围内,TiO2/UV光催化氧化丙酮表现为一级反应动力学规律。
Results showed that UV/H2O2 process could remove 2,4-DCP effectively,with the process of photodegradation following the first order reaction kinetics model. 结果表明:UV/H2O2工艺可以有效的去除水中2,4-DCP,光降解过程符合一级反应动力学模型;
The results show that the pyrolysis process of biomass can be dealt with as the first order reaction model in two stages for both sawdust and pine needle. 试验结果表明，氮气气氛中，木屑与松针常压和增压下主要热解阶段可认为两段一级反应；
It indicates that the whole evolution coures is not in accord with the first order reaction,but different evolution stags are in accord with the first order reaction. 发现其演化的整个过程不完全符合化学反应的一级反应，而是分段符合，动力学参数随演化程度的升高而先降低后增加。
The reaction consists of the first order reaction of the hydrolysis of astaxanthin esters and the zero order reaction of the degradation of astaxanthin. 建立了虾青素酯水解动力学模型，结果表明该反应是一个虾青素酯水解的一级反应和游离虾青素降解的零级反应组成的连串反应。
The degradation rate constant at pH 10.9 was 3 times as that at pH 3.1.Moreover,the apparent first order reaction rate constant linearly decreased with increase of initial PCP-Na concentration. 溶液初始pH值对五氯酚钠的真空紫外光解有很大影响;pH=10.;9时的降解速率常数是pH=3
Furthermore, the first order reaction kinetics at various potentials was examined on basis of the changes of resistance, and the aging process of PANI film in the acid solution was also explored. 以此为基础，测定了对电化学电位调制下导电聚合物膜导电性能，研究了电化学聚合的聚苯胺膜在一系列不同电位老化条件下的反应动力学。
The conformational change courses in the different concentrations of guanidine have been to be first order reactions. 同时还测定了不同浓度胍溶液中人肌酶的失活与构象变化的速度常数。
In this paper, the activation energy and the first order reaction pre-exponential factor at different decomposition stages of trinitroresorcinol were calculated by using dynarnic thermalgravity. 采用动态热失重分析方法，计算出三硝基间苯二酚在热分解不同阶段的活化能和一级反应指前因子。
Differential rate equation of first order reaction 一级反应的微分速率方程
His earlier work announced a lyric talent of the first order. 他的早期作品显露了一流的抒情才华。
A new method of determining the first order reaction rate constant 确定一级反应速率常数的新方法
Keywords urushiol;epoxy acrylate;first order reaction;synthesis; 漆酚;环氧丙烯酸酯;一级反应;合成;