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eco-lubricant
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eco-lubricant
Encyclopedia
工学
润滑
释
eco-lubricant
生态润滑剂
既能满足机械设备的使用要求,又能在较短时间内被活性微生物(细菌)降解为二氧化碳和水,本体及其耗损产物对生态环境不产生危害或在一定程度上为环境所容许的润滑剂。又称绿色润滑剂[注]。
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pyroelectric crystal
pyroelectric detector
pyroelectric effect
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pyroelectricity of polymer
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pyrogallol
pyrogallol tannin
pyrogallor
pyrogallor tannin
pyrogasoline
pyrogen
pyrogenesis
pyrogenetic rock
pyrogenic adhesive
pyrogenicsubstance
pyrogenic succession
pyrogen test of drug
pyroglutamic acid
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