By using various synthetic mediums, the authors verify here that effluent decolorization is related to the fungi's ligninolytic state, which can be induced under the low-nitrogen growth medium.
These low-temperature stopping valves are mainly used in pipeline systems with low-temperature and deep cold mediums. featured in its flexible operation and reliable sealing.
主要用于低温和深冷介质的管路系统，具有开关灵活、密封可靠的特点。
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These low-temperature stopping valves are mainly used in pipeline systems with low-temperature and deep cold mediums. featured in its flexible operation and reliable sealing.