英國開放大學(xué)（The Open University，簡稱OU）是一所公立研究型大學(xué)，也是國際知名的遠程教育大學(xué)。OU大學(xué)的環(huán)境、地球和生態(tài)系統(tǒng)科學(xué)學(xué)院擁有7套獨立的16通道SSI模塊式堆肥/土壤呼吸測定系統(tǒng)（相關(guān)鏈接參見https://www.open.ac.uk/stem/environment-earth-ecosystem-sciences/research/analytical-facilities/ecosystems-laboratories）, 可處理和分析一系列環(huán)境材料，包括土壤、水、大氣氣體、植物、堆肥和可生物降解廢物等。       該高通量土壤呼吸測定系統(tǒng)允許在特定環(huán)境條件下(如處理溫度和曝氣)在線記錄和測定二氧化碳、氧氣和甲烷。作為歐洲領(lǐng)先的呼吸測量設(shè)施之一，用于研究廢物和塑料材料的生物降解性測定（例如：用于機械分揀生物處理（Mechanical Biological Treatment，MBT）評估的持續(xù)4天動態(tài)呼吸（Dynamic respiration over 4 days,DR4）測試，堆肥質(zhì)量標(biāo)準(zhǔn)PAS100穩(wěn)定性測試，用于塑料的BS14855生物降解標(biāo)準(zhǔn)等）。       180天后，纖維素的降解率為100%，PVOH的降解率為7%。結(jié)果表明，在模擬工業(yè)堆肥條件下，本實驗所測試的PVOH薄膜材料不能進行生物降解。  
參考資料
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7.什么是可堆肥降解塑料？堆肥降解檢測標(biāo)準(zhǔn)有哪些？https://baijiahao.baidu.com/s?id=1690765926491109439&wfr=spider&for=pc