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When the methyl group and H atom are located on opposite sides of the double bond, the polymer is a cis-isomer.()
此题为判断题(对,错)。
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Silicon rubber also has many reactive points in the molecular chains, which is same as polyisoprene and polybutadiene.()
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Additives are external substances purposely added to change properties of polymers or resins.()
微效多基因假说的实质是()。
An elastomer with great resistance to gas permeation can serve as inner tubes, gas hoses, tubing.()
Thermoset polymers are generally harder and stronger than thermoplastics and have better dimensional stability.()
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