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螺旋聚合物
释义
螺旋聚合物
Encyclopedia
理学
螺旋型聚合物
释
helical polymer
螺旋聚合物
左手螺旋与右手螺旋互为镜像但不能重叠的聚合物。因此具有螺旋构象的聚合物为手性聚合物。具有单一旋向或某一旋向占优的螺旋聚合物具有光学活性;如果螺旋聚合物中半数分子左旋半数分子右旋,或分子中半数链段左旋半数链段右旋,则不具光学活性。
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water gate
Watergate Gristmill
Watergate Scandal
watergate scandal
water gel explosive
water geochemical survey
water glass
water glass binder
water god
water hammer
water hammer accident
water hammer in pumping station
water hammer phenomenon of oil and gas pipeline
water-hammer pulse
water hardness
water hawthorn
water hawthorn family
Water-heat balance
water history in China
water history of science and technology in China
water history of Taihu lake
water history of West Lake of Hangzhou
water holding capacity
water-hole peaking
water hose
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