VSS为悬浮固体
VSS为悬浮固体
相关考题：
采用活性污泥进行污水处理时，混合液悬浮固体浓度是重要指标。下列关于混合液悬浮固体浓度的说法中，哪项错误？( )A.普通活性污泥系统混合液悬浮固体浓度，是指反应池内的混合液悬浮固体浓度平均值B.阶段曝气活性污泥法系统混合液悬浮固体浓度，是指反应池内的混合液悬浮固体平均浓度C.吸附—再生活性污泥法系统混合液悬浮固体浓度，是指吸附池和再生池内的混合液悬浮固体平均浓度D.完全混合式活性污泥法系统混合液悬浮固体浓度，是指反应区内的混合液悬浮固体平均浓度
已知某污水总固体含量680mg/L，其中溶解固体420mg/L，悬浮固体中的灰分60mg/L，则污水中的SS和VSS为：A. 200mg/L 和 60mg/LB. 200mg/L 和 360mg/LC. 260mg/L 和 200mg/LD. 260mg/L 和 60mg/L
已知某污水总固体含量680mg/L，其中溶解固体420mg/L，悬浮固体中的灰分60mg/L，则污水中的SS和VSS为（ ）。A．200mg/L和60mg/LB．200mg/L和360mg/LC．260mg/L和200mg/LD．260mg/L和60mg/L
某厂消化污泥的SS浓度C0为50000mg/L，经脱水之后，实测泥饼的含水率为74%，脱水滤液VSS为3750mg/L。试计算该脱水系统的固体回收率为多少（）（脱水滤液VSS/SS=0.75）A、93.9%B、90.6%C、93.0%D、91.8%
已知某污水总固体含量为680mg/l，其中溶解固体为420mg/l，悬浮固体中的灰分为60mg/l，则污水中的SS和VSS含量分别为（）。A、200mg/L和60mg/LB、200mg/L和360mg/LC、260mg/L和200mg/LD、260mg/L和60mg/L
You are about to migrate a customer network to use a VSS. Which of these statements is true about a VSS？（）A、The VSS switch must be the root bridge for all VLANs and is automatically designated.B、The VSS switch is defined in RFC 4318 as a managed object.C、The PAgP+ or LACP protocols are used to maintain the operational state of the VSS devices.D、A VSS interoperates with a virtual port channel.E、The 802.1Q or ISL protocols are used to maintain the operational state of the VSS devices.F、A VSS increases the size of the spanning-tree domain.
You are about to migrate a customer network to use a VSS. Which of these statements is true about a VSS？ （）A、 The VSS switch must be the root bridge for all VLANs and is automatically designatedB、 The VSS switch is defined in RFC 4318 as a managed objectC、 The PAgP+ or LACP protocols are used to maintain the operational state of the VSS devicesD、 A VSS interoperates with a virtual port channelE、 The 802.1Q or ISL protocols are used to maintain the operational state of the VSS devicesF、 A VSS increases the size of the spanning-tree domain
某污水处理厂希望经过生物处理后的出水BOD5小于20mg/L，试计算出水中溶解性BOD5的浓度。其中相关参数：曝气池污水温度为20℃；二沉池出水中含有13mg/L总悬浮固体（TSS），其中VSS占70%。
单选题下列正确的选项（）A总固体=溶解性固体+悬浮固体=挥发性固体+固定性固体BTS=SS+DS+VS+FSCVSS是指SS在300℃下灼烧挥发掉的成分D溶解性固体一般表示盐分的含量，VSS表示有机成分的含量
问答题某污水厂污水量为30000m3/d，其中生活污水水量为10000m3/d，其余为工业废水，原污水悬浮固体（SS）浓度为240mg/l，经初沉后BOD5为200mg/l，初沉池SS去除率为40%，用普通活性污泥法处理，曝气池有效容积为5000m3，MLSS浓度为4g/l，VSS/SS=0.75，曝气池BOD5去除率为95%。用中温35℃处理，投配率为7%，试确定污泥总体积。
单选题You are about to migrate a customer network to use a VSS. Which of these statements is true about a VSS？（）AThe VSS switch must be the root bridge for all VLANs and is automatically designated.BThe VSS switch is defined in RFC 4318 as a managed object.CThe PAgP+ or LACP protocols are used to maintain the operational state of the VSS devices.DA VSS interoperates with a virtual port channel.EThe 802.1Q or ISL protocols are used to maintain the operational state of the VSS devices.FA VSS increases the size of the spanning-tree domain.
单选题You are about to migrate a customer network to use a VSS. Which of these statements is true about a VSS？ （）A The VSS switch must be the root bridge for all VLANs and is automatically designatedB The VSS switch is defined in RFC 4318 as a managed objectC The PAgP+ or LACP protocols are used to maintain the operational state of the VSS devicesD A VSS interoperates with a virtual port channelE The 802.1Q or ISL protocols are used to maintain the operational state of the VSS devicesF A VSS increases the size of the spanning-tree domain
单选题已知某污水总固体含量为680mg/l，其中溶解固体为420mg/l，悬浮固体中的灰分为60mg/l，则污水中的SS和VSS含量分别为（）。A200mg/L和60mg/LB200mg/L和360mg/LC260mg/L和200mg/LD260mg/L和60mg/L