| 单词 | polymer |
| 释义 | polymer (pɒlɪməʳ ) Word forms: polymers countable noun A polymer is a chemical compound with large molecules made of many smaller molecules of the same kind. Some polymers exist naturally and others are produced in laboratories and factories. Polymer fabrics protect firefighters from extreme temperatures. Collocations: synthetic polymer Using synthetic polymer gels, which react to small electrical currents, they aim to replace heart valves, sphincter muscles and eventually larger muscles. The Sun Varieties of each synthetic polymer product may exist, for purposes of a specific use. Retrieved from Wikipedia CC BY-SA 3.0 His efforts were soon met with great success when he produced a synthetic polymer with a molecular weight of about 12,000. Retrieved from Wikipedia CC BY-SA 3.0 Usually autologous vessels from the patient or synthetic polymer grafts are used for this purpose. Retrieved from Wikipedia CC BY-SA 3.0 The sleeve material can be selected upon the corrosiveness and abrasiveness of the flow media, a suitable synthetic polymer can be chosen. Retrieved from Wikipedia CC BY-SA 3.0 |
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