精馏塔的回流比解释为塔顶返回塔内的回流液流量L与塔顶产品流量D的比值,即R＝L/D.也有的说是塔顶返回塔内的回流液流量L与塔顶产品采出量D的比值,即R＝L/D.请问D是采出量还是塔顶出来的

精馏塔的回流比解释为塔顶返回塔内的回流液流量L与塔顶产品流量D的比值,即R＝L/D.也有的说是塔顶返回塔内的回流液流量L与塔顶产品采出量D的比值,即R＝L/D.请问D是采出量还是塔顶出来的
精馏塔的回流比解释为塔顶返回塔内的回流液流量L与塔顶产品流量D的比值,即R＝L/D.
也有的说是塔顶返回塔内的回流液流量L与塔顶产品采出量D的比值,即R＝L/D.请问D是采出量还是塔顶出来的轻组分全部冷凝下来的量（回流量加采出量）?

精馏塔的回流比解释为塔顶返回塔内的回流液流量L与塔顶产品流量D的比值,即R＝L/D.也有的说是塔顶返回塔内的回流液流量L与塔顶产品采出量D的比值,即R＝L/D.请问D是采出量还是塔顶出来的
D是采出量

采出量

Species turnover last month hit a new high this year,new ken griffey shoes, interest rates second highest record in the second half yesterday,griffey shoes, the inter-bank money market funds continu...

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Species turnover last month hit a new high this year,new ken griffey shoes, interest rates second highest record in the second half yesterday,griffey shoes, the inter-bank money market funds continue to maintain a relaxed face. Day trading volume continued to enlarge, especially varieties of one month, the turnover reached 26.9 billion, nearly three times the pre-, setting a new high this year. Interest rates, overnight, 21 days and one month interest rates up significantly varieties, varieties of long-term trading is still deserted. repurchase from the current market situation, although expected,nike air griffey max 1, "two" before and after the financial strain will not clear the case, the guarantee of supply of capital in the market, but the maturity period is a substantial financial interest in the post fall is unlikely, but there may be funded up interest rates remain stable situation. yesterday pledged repo turnover of 495.69 billion total,ken griffey shoes, an increase of about 6.9% the previous day, the repurchase amount of short-term varieties has increased significantly. Day trading volume reached 393.5 billion overnight repo,women ken griffey shoes, repo rate at 1.60% higher to open, and subsequently has been stable this afternoon the highest price will be 2.5% weighted interest rates pushed to 1.626 percent, compared with the weighted interest rate up 10.6BP. 7-day repurchase demand continues to increase, opening at 2.30% over the previous closing rate down nearly 10BP, plate at 2.005% -2.50% range are traded, the weighted interest rate down 6BP,nike air max nm, to close at 2.367% in the vicinity. 14 days trading volume stabilized at around 9.5 billion, the weighted interest rate unchanged at 2.61%. Acts to maintain the current big money during the holiday season prepared to pay, out of funds financing the basic period of 14 days based. And like the fund,kids ken griffey shoes, with the recent 21 days and a variety of interest rates on the uplink, melt-out will increase, the day 21 days repurchase volume of about 8.1 billion,nike air griffey max fury, the morning of the weighted interest rate is more stable at around 2.88%, the weighted interest rates in the afternoon have unwittingly up to 2.99%,nike air max jr 2011, is expected soon to exceed 3 percent today. The 1-month varieties,ken griffey shoes, supply and demand are very active yesterday, the day before the trading volume almost tripled to 26.9 billion, while the weighted interest rate is rising,nike heels, up about 12BP to 3.15%. Long varieties, only 2 months varieties 900 million turnover,nike dunk heels, the weighted interest rate up to 3.19% up 5BP. Although repo liquidity in the market yesterday,nike high heels, Shanghai interbank offered rate SHIBOR overall upward significantly, mainly in short-term varieties. Specific,kids ken griffey shoes, the overnight variety upstream 10.25BP, close at 1.5988 percent, down 1.45BP 7-day products close at 2.3863 percent,king griffey shoes, 21 days and one month rose varieties at 1.53BP and 25.41BP, close at 2.6123 percent and 3.0933 %.

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