Предмет: Литература, автор: vlilija95

Краткое описание всех героев по повести нержавеющая сабля

Ответы

Автор ответа: olechkasemenova1984
0

Ответ:

Главные герои: Рольдс, ууду, и Яан :>

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Задание: Исправьте предложения на основе текста.
1. The metals can be alloyed but the polymers cannot.
2. It is impossible to develop polymeric substances with the scheduled properties.
3. The so-called "aging" of the polymers is due to chemical and physical changes caused only by temperature.

Текст:
Polymers are the dynamic part of industry, particularly plastics and fibres. A polymer is a substance consisting of molecules and characterized by its viscosity colour and by its softening points. Until recently it was thought that the properties of the polymers were determined only by the chemical structure of their molecules. Chemists after many years of research have established that the properties of polymers produced are largely determined by the pattern of their big molecules. The properties of polymers depend on their super-molecular structure.
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