Macromolecular colorants have advantage in high strength, resistance to solvents and processability compared with monomolecular colorants, thus can be widely used in many fields. 与小分子染料相比,高分子染料具有高强度、耐溶剂性和可加工性等优越性,在很多领域获得了广泛应用。
Then based on the cracking mechanism ratio ( CMR), the proportions of propane, n-butane and i-butene, cracked by the monomolecular cracking reaction, the bimolecular cracking and hydrogen transfer reaction, respectively, were calculated. 其次,以裂化机理比率(CMR)为基础,估算了丙烷、正丁烷、异丁烯等特征产物来自单分子裂化、双分子裂化和双分子氢转移反应的比例。
When the concentration of SA was 0.00lmg/ ml, the structure of monomolecular, which was single chain and small congeries, could be observed on the mica surface by AFM. 通过AFM从分子结构水平对SA在云母表面的自组装特性进行观察研究,结果发现当浓度为0.001mg/ml时,SA以单链分子和少量小的聚集体吸附在云母表面;
GC Determination of Monomolecular Aldehyde in Low Molecular Aldehyde Reagents 用气相色谱法对低分子量醛试剂中单分子醛测定研究
The ratio of the selectivity of monomolecular reactions to bimolecular reactions was 4.2 ∶ 0.9 during the chain initiation period. 链引发阶段单分子反应与双分子反应选择性的比率为4.2∶0.9。
The formed long and linear chain alkyl benzene changes into benzene methyl and alkene through β-scission and monomolecular homolysis, and then benzene methyl shifts to the position of α-Carbon in the long chain alkyl benzene through H-transfers. 已形成的长直链烷基苯通过β分裂、单分子均裂形成苯甲基、烯烃,苯甲基通过氢转移到长链烷基苯的α碳上,烯烃再与α碳结合形成带支链的烷基苯。
The result showed that bimolecular hydride transfer reactions occurred on single acid site of zeolite surface just like monomolecular reactions. 双分子反应和单分子反应都是在单个酸位上完成的。
Lamgmuir-Blodgett ( LB) films is a monomolecular layer or mulitimolecular layer thin film material of organic high polymer with orientation arrangement structure. LB膜是一种由有机高分子定向排列组成的单分子层或多分子层薄膜材料。
Mixed Monomolecular Film Behavior of Crown Ether and Porphyrins with Arachidic Acid 冠醚和卟啉与花生酸混合单分子膜行为研究
Lipo microsphere is a monomolecular dispersing system. 脂微球是一种以脂肪油为软基质并被磷脂包封的单分子层微粒体分散系。
Dispersive diffusion-controlled monomolecular and bimolecular processes 色散扩散控制的单分子和双分子过程
The dynamic and thermodynamic behavior was well represented by diffusion control model and steady-state reaction model, and the maximum of adsorption in monomolecular layer was 8. 62mg/ g. 该吸附剂除磷的动力学和热力学性能可分别用扩散控制模式和稳定状态固定反应吸附等温式得到较好的描述,求得单分子层最大吸附量为8.62mg/g。
Theoretically, methane adsorption by coal doesn ′ t conform to adsorption model of monomolecular layer. 在理论上,煤吸附甲烷不符合单分子层吸附模型。
A strain screened from printing and dyeing wastewater had high adsorption capacity on copper ion, the adsorption characteristics of it on copper ion accorded with Langmuir and Freundlich adsorption isotherms, and was monomolecular adsorption. 从印染厂废水中筛选出一株对金属铜离子具有较高吸附性能的菌株,其对铜离子的吸附特征符合Langmuir吸附等温式和Freundlich吸附等温式,为单分子吸附。
The analytical method for carbon isotopic compositions of monomolecular hydrocarbon in crude oil and sediments is discussed in this paper. 本文介绍了原油和岩石可溶有机质的单分子烃C同位素分析方法。
Study of Electro-optic Effect of Liquid Crystal Monomolecular Film 液晶单分子膜光电效应的研究
Based on the previous study of the molecular constitution of surfactants and the theory of monomolecular surface films, the effictiveness of superior fatty alcohols on inhibiting water evaporation was carefully investigated. 本研究是利用人们对表面活性剂分子结构研究的成果,并以单分子表面膜理论为基础,对高级脂肪醇抑制水分蒸发效果做了较细致的研究。
Phytic acid is a new multi-complexing agent for metal ions. It can produce a compact monomolecular organic film on metal surface and protect metal from being corroded. 植酸是一种新型金属多齿螯合剂,可在金属表面形成一层致密的单分子有机保护膜,从而防止金属的腐蚀。
Study on Energy Transfer in the Functional System of Cyanine Monomolecular Membrane 花菁类单分子膜功能体系能量转移的研究
But for benzene, when treated with SDM-A there was a turning point in its adsorption isotherm, which corresponding to the dividing point between monomolecular and multimolecular layer adsorption. 在用SDM-A处理苯的吸附时,出现折线形的吸附等温线,折线的转折点正好是单分子层吸附与多分子层吸附的分界点。
In larger pores of FCC base catalyst monomolecular cracking and bimolecular cracking reactions both took place but in smaller pores of DCC catalyst only monomolecular cracking took place. The shape selective mechanism accounts for the higher selectivity of light olefins on DCC catalyst than on FCC catalyst. FCC催化剂孔道大,可以发生双分子裂化反应和单分子裂化反应,而DCC催化剂孔道小,以单分子裂化反应机理为主,同时DCC催化剂低碳烯烃选择性更高。
Study on improvement of oil displacement efficiency and microscopic mechanism by a self-assemble monomolecular film 自组单分子纳米膜提高驱油效率及微观机理研究
Generally, Langmuir equation is based on the adsorption model of monomolecular layer. Langmuir方程是用单分子层吸附模型推导出来的;
It is shown that the sample pretreatment for separating n-alkanes from i-alkanes, the chromatogram temperature program and the data treatment have significant effects on the δ C values of monomolecular hydrocarbon. 分析了单分子烃C同位素测定的误差来源,阐明了正构烷烃与异构烷烃预分离处理、色谱升温程序和数据处理是影响单分子烃C同位素测定结果的重要因素。
Research on the Templating Growth of Inorganic Crystals Induced by Monomolecular Membrane 单分子膜模板法诱导无机晶体取向生长的研究进展
Differently, monomolecular reaction was dominant over catalyst B, having higher LPG yield with higher propylene content. 单分子裂化反应在催化剂B上发生机率较大,表现为较高的液化气和丙烯产率,产品含有较高的烯烃。
Reactions of 1-hexene, 1-heptene and 2-methyl-1-hexene are monomolecular cracking. The C-C bonds near the carbon chain center are easy to crack. 1-己烯、1-庚烯以及2-甲基-1-己烯的裂化反应基本都是单分子反应,且以靠近碳链中间位置的键断裂为主。
Monomolecular film and LB membrane of polymer have also been investigated, and it has been made a scientific breakthrough. 后来,人们开始研究聚合物单分子膜和LB膜,并取得突破性进展。