Aliphatic polyesters are not used for fiber production, because of their low melting points. 脂肪族聚酯没有用来生产纤维,可能是熔点低的缘故。
So strong bonds means high melting points and boiling points. 因此,如此强的化学键意味着更高的熔点,和沸点。
These fats also contain appreciable amounts of fully saturated triacylglycerols and exhibit relatively high melting points. 这些脂肪还含有大量饱和三酰基甘油,熔点较高。
However, there is a big difference in melting points due to their different compositions. 由于垃圾焚烧飞灰在化学成分上存在的差异导致了其熔点有很大的不同。
Effects of thermal history on the crystallinity and the melting points of UHMWPE 热历史对UHMWPE结晶度和熔点的影响
An instrument for measuring freezing and melting points. ph.1.三角测量点测量冰点和熔点的仪器。
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
The sample cell used to measure the gradual cooling curve of two components alloy with low melting points was designed. 设计了一种用于测定低熔点二元合金步冷曲线的试样容器。
An instrument for measuring freezing and melting points. strain gauge scanner recorder 测量冰点和熔点的仪器。应变仪式多点记录器
The research progress in the lead-free low melting points glasses and aqueous vehicles for preparation of electronic pastes was reviewed. 综述了高温电子浆料用无铅低熔玻璃和水性载体的发展现状。
These are huge energies, Coulombic forces, high melting points and boiling points. 这里有巨大的能量,库仑力,高熔点与高沸点。
Statistical Thermodynamics of Equilibrium Melting Points of Polymers and Estimation of Related Interaction Parameters 高分子平衡熔点的统计热力学及相关分子能量参数的估算
The structures of the synthesized new compounds have been identified by elementary analysis, melting points and IR spectra. 采用元素分析、熔点、红外光谱等鉴定了新化合物的结构。
Ceramics, including glass, are hard, brittle, stiff, and have high melting points. 陶瓷,包括玻璃,硬度高,易碎,拥有很高的熔点。
Hot melt gravure printing keeps most materials from melting at their melting points. 热熔[粉点]凹版印花(用于刮热熔领衬布)阻止了大多数物质在熔点熔化。
Low, well-defined melting points for dispersible films and batch inclusion bags 熔点低并经严格控制,适于生产分散膜和批次加料袋
Pure substance normally have sharp melting points. 纯质在正常情况下有鲜明的熔点。
Correlation Formulas between Boiling Points and Melting Points of Metals and Its Conformity with Experimental Data 金属沸点和熔点间的关系式及其与实验数据的比较
Their melting points have been found higher than those of the corresponding monospirocyclic compounds. 这些化合物熔点比相应的单螺环化合物高。
The melting points obtained by using different calculation methods and definitions also have been compared in this work. 比较了用不同计算方法和定义方法所得硅团簇熔点。
Melting points of the molten electrolytes used in thermal batteries were investigated by PCA technology of pattern recognition. 本文利用模式识别优化方法中的主成分分析技术(PCA)研究了热电池用低熔点电解质;
The products were characterized by elemental analysis, melting points, IR, and 1H NMR measurements. 产物结构通过元素分析、熔点I、R和1HNMR证实。
In addition, the melting points of them were measured with B-type tube. 用B型管测定了它们的熔点。
The melting points of crown ether liquid crystals reported so far were quite high. 文献上所报道的冠醚液晶的熔点都相当高。
Effect of Sb, Bi and Fe on melting points and microstructures of eutectic Cu-8P alloys Sb,Bi和Fe对Cu-8P共晶合金熔点和组织的影响
Based on the analysis and experiments, the main conclusions are made as follows: ( 1) The designed new experiment device can realize the separation of plastics with different melting points. 通过实验和分析,得出以下结论:(1)采用本实验装置可以在挤出机中实现对不同熔点的塑料的分离。
The effects of composition and surface positions occupied by Ag atoms on the melting points were discussed. 分析了双金属团簇的组成及其表面Ag原子所占位置对团簇熔点的影响。
Resulting from the exhibition of both metallic and covalent bonding characteristics, the TiN and ZrN films have interesting properties such as high melting points, high hardness, excellent thermal and chemical inert, good conductivity and metallic reflectivity. 氮化钛和氮化锆薄膜的结构通常由金属键和共价键混合而成,具有金属晶体和共价晶体的特点:高熔点、高硬度、优异的热和化学惰性,优良的导电性和金属反射比。