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[交流] 溫室用膜與其隔熱性能

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?F?М???????????????N???c????
??|???????????????(Glass)??????????(Acrylic)???????????(PC)????|???????τt??????????(PE)??????????(PVC)?????????????????(EVA)??????N?(PO)?????z????????|?????????|???^???????Y???^??????????^??????M?b?^?M?????????????c?S?o?????????????|?????????|???^?p?????b?????????????O?ó???????????Y???????????^????????z?????????????????????????????Q??

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????????????????????????????????????????????????????T?l???N???????????????????????m?r?g?L?5 ??????????????????????h????????????????????????_??18 ?????????12 ?????????m?????m??????????????????????????????????m?У??????Y?????a????Cе???|?????????????????????????????????????????0.10~0.15 mm ???????S??(U)С?7 W/m2??K????h??????????????????o?к????w???簱?????????]?l???к????|??????  
1. ????????
???????????L??(Photoperiodic)?c???V????????B(Morphogenesis)?c???????(Photosynthesis)??????????L???????????????D??????????????????_???????????????L???λ?280~3,000 nm ????????У?280~380 nm ??????? 380~780 nm ?????? 780~3,000 nm ??t????????????400~700 nm ???L?????????????й??????????(Photosynthesis Active Radiation; PAR)???????~?G??(Chlorophyll)????????????V?????{???(400~480 nm)??t???^(600~680 nm)??????????L????


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2. ??????????W???????
(1)???????????
????????????????????????????L??????????????????^???????????????^?????????????????????????90% ????????r??????1??????????????80% ????????2 ???????????????????60% ???????|??????r?????????????????@?N????????L????S????80% ??????r??????????????^????x???????????????c????^????????????麮????^??1.5????????????^????????????????????e?????????????????????K???????L??
(4)?m??????????????
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???????????????T???????????????r????t????????_????????????Ч?????u??????????W???|?c??????w?????е????????P?????????????????w??????S????60~80% ???t?????^???_78~98% ???c???????????????W???????^???????????????W?????????????????????u????y???z?y?????????????????????y?????????????????????????y???D????????c???????^????y??l????????????????????15??C ??????c?????????????Ч????????? ???σ???????c????????????????

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????????????I?????s?I309??????????Y??????http://www.materialsnet.com.tw/DocView.aspx?id=10574
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