COMMA 发表于 2025-3-23 10:07:13
http://reply.papertrans.cn/63/6211/621068/621068_11.pngOREX 发表于 2025-3-23 17:47:18
Constitutions: the constitution of the main chain itself, the constitution of substituents to the main chain, and also, the molecular architecture. The constitution of the main chain is given by the kind and sequence of main chain atoms, monomeric units, and repeating units, that of the substituents by the natuDecline 发表于 2025-3-23 20:10:23
Supermolecular Structuresres occurring depend not only on the constitution and configuration of the molecules and the micro- and macroconformations caused by these, but also on the experimental conditions. In other words, the observed solid state physical structures do not generally correspond to states at equilibrium. ThusBATE 发表于 2025-3-23 22:53:38
http://reply.papertrans.cn/63/6211/621068/621068_14.pngIntegrate 发表于 2025-3-24 05:57:49
Molar Masses and Molar Mass Distributions“molecular weight”) occur only under quite specific conditions. The overwhelming majority of polymer syntheses proceed more or less randomly, and the resulting macromolecular substances have more or less broad molar mass distributions. The kind of molar mass distribution obtained depends on the natu南极 发表于 2025-3-24 10:19:36
http://reply.papertrans.cn/63/6211/621068/621068_16.png不满分子 发表于 2025-3-24 14:09:15
http://reply.papertrans.cn/63/6211/621068/621068_17.pngNAV 发表于 2025-3-24 15:43:01
http://reply.papertrans.cn/63/6211/621068/621068_18.png琐碎 发表于 2025-3-24 20:34:53
Electrical Properties.−10. Ω. cm.), and conductors (σ > 10. Ω. cm.). Super conductors have a specific electrical conductivity of about 10. Ω. cm.. The electrical conductivity is the reciprocal of the electrical resistance. Since electrical resistance is measured in ohms, the unit of conductivity is often written as mho飓风 发表于 2025-3-24 23:37:47
Optical Propertiesnt light. Two principal groups of optical properties can be distinguished: those resulting from molecular property averages and those caused by local deviations from these averages. Refraction, absorption, and diffraction phenomena belong to the first group; scattering effects belong to the second g