但是传统的活性污泥法工艺存在工艺流程长、污水停留时间长、单位面积处理能力低、反应池占地面积大、污泥膨胀等缺点。
But the conventional activated sludge process technology has some shortcomings: long water residence time, low processing power per unit area, large area reactor, sludge bulking and so on.
在决策结果的评价方面,本文综合了灭火时间、过火面积、火灾损失等各方面因素,提出了一套评价体系,并建立了决策结果评价模型应用于决策模块之中。
Considering of fire suppression time, fire area, fire loss and so on, the paper introduces a series of estimation system, founds estimation model of decision result.
通过扩大雨水储蓄面积、增加雨水在支流上的停留时间等方式,可以实现雨水调度,增加可利用的淡水资源量。
We can realize rain attempering and make good use of fresh water resources by expanding the reserving space of water and increasing the resting time of rain water in distributaries.
装置特点:占地面积小、反冲洗时间短、反洗水量少等。
Device Features: small occupation, short backwash time, less water amount for back-washing, etc.
试验按跳甲数量和跳甲取食时间设置级别,分别测试了小菜蛾取食面积、生长发育和产卵选择性等参数。
We examined the parameters of feeding area, the growth and the oviposition preference of DBM after setting the levels by the number and feeding time of SFB respectively.
临界机组群单机等面积定则第一摇摆稳定判据与时域仿真角度准则精度相同,但具有数值积分时间短的优点;
The proposed critical machine group single machine equal area criterion needs less computation time compared with the traditional time domain simulation.
探讨了温度、电流密度、电解时间、阴阳极面积比等对电流效率的影响。
The effects of temperature, current density, electrolytic time and the proportion of cathod's area to anode's area on current efficiency was also studied.
提出采取严格控制扫线作业时间和扫线蒸汽流量,增大油气空间的体积和增加罐顶通气孔数量和面积等措施,可有效地预防该类事故的发生。
The measures to control the vapor purging time and flow rate of vapour, enlarge the oil-gas space and increase the number of air hole as well as venting area are given, which can effective...
提出采取严格控制扫线作业时间和扫线蒸汽流量,增大油气空间的体积和增加罐顶通气孔数量和面积等措施,可有效地预防该类事故的发生。
The measures to control the vapor purging time and flow rate of vapour, enlarge the oil-gas space and increase the number of air hole as well as venting area are given, which can effective...
应用推荐