活性种
- 网络active species;activated species;reactive species
-
~(13)C-NMR研究结果验证了动力学的基本假定的正确性,即多活性种参加的动力学模式是合理的,恒定温度下各活性种间的比例近似为(THF/nBuLi)的单交量函数。
Detailed 13C-NMR studies reveal that the multiple reactive species anticipated Kinetic model , is reasonable . The ratio of different kinds / of reactive species could be traced approximately by a single variable function of THF / nBuLi , when the temperatuer Keeps constant .
-
正丁基锂/四氢呋喃引发丁二烯阴离子聚合动力学和活性种的研究
Kinetic investigation and reactive species in anionic polymerization of Butadiene Initiated by n-butyllithium / tetrahydrofuran
-
C(60)与聚苯乙烯活性种的反应
The Reaction C_ ( 60 ) with Living Anionic Polystyrene Species
-
BR用镍系催化剂活性种制备技术的改进
Preparation process of active species of Ni catalyst system for br
-
GC-MS方法测定等离子体引发丙烯酸酯聚合引发活性种
Determination of the Initiating Active Species of Plasma Initiated Polymerization by Gas Chromatograph / Mass Spectrometry
-
低NB含量组分和高NB含量组分,对应于GPC曲线中的负峰和正峰,分别在两个不同的活性种上生成。
Polymers with low NB content and high NB content , corresponding to the negative peak and the positive peak in the GPC curves respectively , are generated on these two different kinds of active sites separately .
-
本文深入地研究了Ti活性种以及给电子体的吸附位点,其研究结果为进一步开发新型Ziegler-Natta聚丙烯催化剂提供了理论指导。
The results provided a much deeper understanding of the adsorption sites and structures of Ti active species and electronic donors , and a guidance and direction for further development of new Ziegler-Natta catalysts with high performance as well .
-
280nm左右。此外,还发现吸收峰波长与活性种浓度和单体浓度有关。
Besides , it was also found that the wave length was related to the monomer concentration as well as to the concentration of active species .
-
阴离子聚合体系活性种聚合活性的探讨
Approach to polymerization activity of active centers in the system of anionic polymerization
-
提出了活性种可能的结构模型。
A possible structure of active species was proposed .
-
丁二烯阴离子聚合活性种紫外光谱的研究
A Study on the Active Species of Anionic Polymerization of Butadiene by UV Spectrometry
-
丁二烯阴离子聚合动力学及活性种的研究
Study on kinetics and reactive species in anionic polymerization of Butadiene Initiated with n-buli / 2g
-
这两个活性种的比例可通过改变单体比调节。
The ratio of these two active sites can be adjusted by varying the monomer ratio .
-
正丁基锂、四氢呋喃引发的丁苯共聚合(Ⅱ)&动力学及活性种的反应性
Copolymerization of 1 , 3-Butadiene and Styrene by n-BuLi-THF Initiation (ⅱ) & Kinetics and Reactivity of Reactive Species
-
通过分析两个活性种的增长速率常数,阐明了每个活性种的动力学特性。
With the estimated propagation rate constants for two active sites , the kinetic characteristics for each active site are analyzed and the two active sites are identified .
-
含酯基的防老剂可起到两臂偶联剂的作用,与活性种反应生成双倍峰,产物带有粉红色;
Some antioxidants with ester group can be used as linear coupled reagent , double peaks will come into being when they react to active centers , and pink will be found in their products .
-
讨论了体系的活性种,得到了聚合反应速度与单体浓度的关系:引发期为二级反应,增长期为一级反应。
The reactive species in the system were also discussed . The relationship of polymerization rate with respect to the concentration of the monomer was obtained : second order in the induction period and first order in the propagation period .
-
复合氧化物催化剂La(0.5)Sr(0.5)Ni(1-y)CuyO3上CO氧化反应与活性氧种的研究
Study on CO Oxidation Reaction and the Active Oxygen Species on La_ ( 0.5 ) Sr_ ( 0.5 ) Ni_ ( 1-y ) Cu_yO_3 Catalyst
-
Ba-La2O3催化剂的表面碱性、活性氧种对甲烷氧化偶联的影响
Study of surface basicity and active oxygen species over Bala 2O 3 catalysts for oxidative coupling of methane
-
利用蛋白质内源荧光和酶活性两种信号以及荧光偏振,HPLC和停流等方法研究了盐酸胍诱导的α淀粉酶去折叠与重折叠的平衡转变和动力学。
The unfolding-refolding transition and the time course of a amylase induced by guanidine hydrochloride ( GuHCl ) have been studied with two different signals : the fluorescence and activity of the enzyme as well as by the methods of fluorescence polarization , HPLC and stopped-flow .
-
人溶菌酶活性两种检测方法的比较研究
Comparison of two ways to detect the activity of human lysozyme
-
温和条件下氧分子的活化和活性氧种的反应
Activation of Dioxygen and Reactions of Activated Oxygen Species under Mild Conditions
-
甲烷氧化偶联反应稀土催化剂表面活性氧种的研究
Studies of Active Oxygen Species on the Surface of Rare Earth Oxide Catalysts for Oxidative Coupling of Methane
-
对其红外吸收谱的解析表明,可能的表面活性氧种是、及晶格氧。
The experimental results showed that the active oxygen species on the surfaces of catalysts are possibly , ions and lattice oxygen .
-
火电厂灰水闭路循环系统采用活性晶种与惰性晶种混合防垢法的试验研究
Research and testing of scale prevention in recycled ash sluicing system in coal fired power plants by using active and inert crystals
-
表观活化能的计算结果表明高活性煤种的存在可以很好的改善混煤的着火性能,并且存在最佳掺混比例。
Apparent activation energy calculating results show that the high reactive coal can improve the ignition property of blended coals and moreover there exists an optimum blending ratio .
-
脉冲反应表明,在无气相氧存在下,表面晶格氧参与了氧化偶联,而且是选择氧化的活性氧种。
The results from the pulse reaction showed that the lattice oxygen participated in the OCM reaction without gas oxygen , and it was the selective oxygen species .
-
在考虑晶格缺陷的基础上,认为以弱键和钙钛石中氧空位给合的α氧是这个催化体系中的活性氧种。
By considering the defect structure in perovskite lattice , it was confirmed that a oxygen bonding weakly with the lattice oxygen vacancy of perovskite was the active oxygen species in catalytic oxidation .
-
本文介绍了一种对灰水闭式循环系统,特别是浓灰浆输送系统的防垢新方法,即活性晶种与惰性晶种混合防垢法。
Introduced in this peper is a new method of scale prevention by using active and inert crystals , which are suitable to the recycled ash sluicing system , especially to the dense ash handling system .
-
猪胸腺素的生物活性&三种E花环形成试验测定的结果
Biological activity of PIC thymosin determined with three kinds of active E-rosette formation test