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Development of Aluminum Screen with Flame-spread Prevention Function for Greenhouse
( Beom-sun Park ),( Hyun-jung Kim ),( Byeon-wong Son ),( Tae-hwan Kang ),( Chung-su Han ),( Hyun-kwon Noh ) 한국농업기계학회 2018 한국농업기계학회 학술발표논문집 Vol.23 No.1
Aluminum shading heat screen is a material for facility horticulture that must be used in domestic greenhouses. Horticultural crops can produce high quality agricultural products through appropriate shading. In addition, it has been attracting attention as an eco-friendly product that can reduce energy consumption and reduce carbon dioxide emissions by improving energy saving efficiency by improving warmth. Therefore, to minimize the damage to human life and property, in Europe and the Americas, it is allowed to use only the products with enhanced flame spread suppressing characteristics in the case of agricultural materials, and the system is strictly regulated so as to import only flameproof-resistant farming materials. The purpose of this study was to develop aluminum screen with flame-spread prevention function for greenhouse. The physical properties of aluminum screen developed in this study were analyzed by domestic and foreign official testing agencies.
강은수(Eun Su Kang),박범균(Beom Kyun Park),장영종(Young-Jong Jang),이성권(Seong Gwon Lee),손동찬(Dong Chan Son) 한국자원식물학회 2022 한국자원식물학회지 Vol.35 No.2
Richardia brasiliensis Gomes was found in agricultural land in Susan-ri, Seogwipo-si, Jeju-do. Richardia L. is closely related to Diodia L. in Korea, those are confirmed to features of calyx, collora and fruit. This species is similar to R. scabra L., but it differs morphologically from the letter in surface structure of mericarp. The mericarp of R. brasiliensis has line like kneel at the adaxial, whereas R. scabra has groove at the adaxial. R. brasiliensis is recorded for the first time in this study and a morphological description, distribution map, and photographs are presented.