The yield, molecular weight, polar comonomer content and melting temperature of the poly ( olefin-ester) s can be controlled by the change of polymerization reaction condition. 改变聚合条件,可控制烯烃共聚酯的分子量、极性单体插入率和熔融温度等性质。
Molecular dynamics simulation of structures and melting behaviours of iridium clusters with different potentials 不同势下铱团簇结构和熔化行为的分子动力学模拟
Some important characteristics of polymers include their size ( or molecular weight), softening and melting points, crystallinity, and structure. 聚合材料具有一些重要特性,包括尺寸(或分子量)、软化及熔化点、结晶度和结构。
Molecular dynamics simulation of the melting points of Au Nana-clusters Au纳米团簇熔点的分子动力学模拟
Molecular dynamics simulation of the anisotropy of surface melting of metal Al 金属Al表面熔化各向异性的分子动力学模拟
Upon activation with methylaluminoxane ( MAO), 2 effectively polymerizes ethylene and produces high molecular weight polyethylenes with high melting transition temperatures at low Al/ Zr ratios. 经甲基铝氧烷(MAO)活化,化合物2在较低Al/Zr比条件下既可有效地催化乙烯聚合,生成高分子量、高熔化温度聚乙烯。
The effects of processing ( parameters) on the molecular structure, crystallinity and melting point of PBT resin were analyzed by the use of IR and DSC. 并且通过红外谱图,DSC谱图分析了增黏反应对PBT树脂分子结构、结晶情况以及熔点的影响。
Molecular Dynamics Simulations of the Heating and Melting Processes of Metal Cu 金属铜升温熔化过程的分子动力学模拟
Molecular dynamics simulation of strain effects on surface melting for metal Cu 应变效应对金属Cu表面熔化影响的分子动力学模拟
A molecular dynamics simulation of melting and crystallization in the low density Ar 低密度Ar熔化及结晶的分子动力学模拟
Molecular Dynamics Simulation for Melting Properties of the Rocksalt Structure of ZnO ZnO岩盐结构熔化特性的分子动力学模拟
The introduction of γ-VL unit resulted in significant decrease of the molecular weight and melting point of the copolymers. γVL单元的引入使得共聚物的分子量和熔点下降。
The true reasons are the sedimentation of the wax and other high molecular weight and high melting point substances in the Canola oil when the temperatures were low. 蜡和一些高分子、高熔点物质在低温下析出,是引起Canola油浑浊的真正原因。
In this article, the author expounds the influence of molecular force on such physical property as melting point, boiling point and the solubility from the theory and by setting many real examples. 该文通过实例,从理论上说明分子间作用力对有机物的熔点、沸点和溶解度等物理性质的影响。
The paper discusses the influences of molecular weight, epoxy value, melting point, organic chlorine, inorganic chlorine and volatile matter of epoxy resin to the performance properties of e-poxy powder coatings. 论述了环氧树脂的分子量、环氧值、软化点、有机氯无机氯和挥发份的质量指标对环氧粉末涂料性能的影响。
In the fine POY and DTY's melt direct spinning, non-homogeneity of fibers 'supermolecular structure and dyeing were caused by chips of wide molecular weight, high melting crystallization temperature and narrow melting peak. 试验发现相对分子质量分布宽,熔融结晶温度高且切片熔融峰形窄,在直纺生产细旦POY、DTY时易造成纤维超分子结构的不匀,而产生染色不匀。
Molecular Dynamics Study of Melting and Solidification of Nanometer Copper Clusters 纳米铜团簇熔化和凝固过程的分子动力学研究
Using the theory of molecular aggregation to calculate the thermodynamic properties of melting metallic substances 应用分子聚集理论计算金属熔体的热力学性质
Molecular dynamic simulation of melting and solidification in binary liquid metal: Cu-Ag 分子动力学法对Cu-Ag合金熔化及凝固过程的模拟
Molecular dynamics simulation of the melting behavior of shell-symmetric palladium clusters 分子动力学模拟研究钯金属团簇的熔化行为
Molecular dynamics simulation of melting in MgO at high pressure MgO材料高压熔化特性的分子动力学模拟
The problem of whether the effect between particles is destroyed or not is analyzed in this paper, when ionic crystals, molecular atomic crystals and metallic crystals are melting, boiling or dissolving in water. That is the problem whether the chemistry bond is broken or not. 分析了离子晶体、原子晶体、分子晶体和金属晶体在熔化、沸腾以及溶于水时,微粒的相互作用是否破坏,即化学键是否断裂的问题。
With the increase of the ratio of mannitol in the feed, the molecular weight, the melting point as well as Mw/ Mn of ML-PLLA all decrease, indicating the molecular weight distribution is becoming narrow. 随着投料中甘露糖醇占的比例增加,ML&PLLA的分子量相对降低,其熔点也相对降低,同时Mw/Mn降低,即分子量分布变窄。
A Molecular Dynamics Model of Melting, Crystallization and Glass Transition in Pd 钯的熔化结晶及玻璃转化的分子动力学模拟
Molecular Inertia and Prediction of Boiling Point and Melting Point of Normal Alkanes 分子转动惯量与正烷烃熔沸点的预测
Molecular Dynamics Simulations of Low Index Surfaces Melting Behaviors for Metal Cu 金属Cu低指数表面熔化行为的分子动力学模拟
Averaged viscosity molecular weight increased and melting index lowed with the addition of chain extender increased. 随扩链剂加入粘均分子量随之增加,熔融指数降低。
The physical and chemical properties showed that all the prepared poly ( ether-anhydrides) meet the essential requirement for polyanhydrides as drug delivery material including high molecular weights, low melting points, and desired thermal stability. 理化性质表征结果显示:合成的醚酐共聚物具有分子量高,熔点较低,热稳定性较好等作为药物缓释材料必备的性能。
The results showed that the method based on combination of SSR molecular markers with high resolution melting curve analysis ( SSR-HRM) was suitable for rice cultivar identification and had the characteristics of high throughput, high sensitivity, automatic, fast, and intuitive. 7. 研究结果表明,SSR高分辨率熔解曲线分析检测方法适用于水稻品种高效鉴定,具有高通量、高灵敏度、自动化、快速、直观等特点,满足大小不同规模样品快速、准确鉴别的要求。