在微生物的生命活动过程中,分解代谢与合成代谢交替进行,不能同时存在。
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微生物厌氧作用过程产生的能量大大多于好氧作用过程产生的能量。
A. 对
B. 错
微生物厌氧作用过程中只有少部分能量用于细菌繁殖,所以细菌增殖量少。
A. 对
B. 错
污水好氧生物处理的主要方法有活性污泥法、生物膜法。
A. 对
B. 错
In the money markets, businesses governments and sometimes individuals borrow or lend funds for short period of time. Usually 1 to 120 days. US Treasury-bills are the _________ money market instrument. They are followed by negotiable certificate deposit and_______ paper.Other money market instruments they are not large in-volume of standing are important in ____________ market and represent invest mental ternaries for money market ____________. It is a closed substitute ability of market instruments, it ______ all the money markets.The money market consist of collection of markets each trading at ________ financial instrument. There is no formal organization such as The New York Stock Exchange for the equity markets. Central activity to the money market are the __________________ who specializing one or more money market instruments.Dealers buy securities for the own _________ and sell from the security inventers when the trades ____________. Brokers do not actually buy or sell securities, and they only accentuate the _______ transactions at the best possible price. Their profits comes from commissions charged for that services.