In order to reconstruct existing sewage treatment works into one with nitrogen removal function, research work on continuous flow intermittent process ( CFIA) has been done. 为原有污水厂改建时增加脱氮功能,文中讨论了连续流间歇曝气工艺。
The intrinsic mechanism of energy conversion and failure process in the intermittent regional fracture process of rock is discussed. 讨论了岩石间隔性区域断裂过程中能量转化与岩石破坏的内在机制。
In this article, two main types of membrane bioreactor processes for nutrient removal were presented: single-stage intermittent aeration process and A/ O-type process. 单一反应器间歇曝气膜生物反应器工艺和A/O形式的膜生物反应器工艺。
The analytical formula for the radius of intermittent zonal fracture process of rock is deduced. 推导了岩石间隔性区域断裂半径的计算公式。
Model of the intermittent heating process of a hot water heating system 热水间歇供暖加热过程数理模型
The Full-scale Running and Conditioning Management of Intermittent Aeration Process 间歇曝气工艺的生产性运行与调控管理
The intermittent transportation process can be adopted for the low-throughput rate pipeline which the pour depressant is added and the forward and back pumping is also needed. 对于添加降凝剂后还需进行正反输运行的低输量管道,可以采用间歇输油工艺,通过对中洛线间歇输送的试验分析,总结了间歇运行的优点和应该注意的问题。
The apparent phenomena and causes of self-discharge resulted from impurities of materials, oxygen in air, intermittent discharge process and collector state were analyzed; 分析了材料杂质、空气中的氧、间歇放电过程、集流体状态等引起电池自放电的表观现象和产生的原因;
Design of Recognition and Control Software Package for Chemical Intermittent Polyreaction Process 化工间歇聚合反应过程的辨识与控制软件包设计
It can be efficiently solved if the intermittent transportation process was adopted when pipeline throughput rate was lower than the allowable minimum one. 当管道输量低于允许最低输量时,如能采用间歇输送工艺可以有效解决这一难题。
A View on the Prospect of Continuous Flow-intermittent Aeration Process and Its Development 连续进出水间歇曝气工艺发展展望
Simulation and practical application show that comparing with PID algorithm, it has the features of ease tuning and good control quality. It overcomes the problems of overshoot and integral saturation in normal PID algorithm, especially suitable for use in intermittent process and the programmed temperature control. 仿真及实际应用结果表明,该算法可提高控制质量,克服了常规PID算法容易造成超调与积分饱和的问题,且易于进行参数整定,特别适用于间歇生产过程及程序温度控制。
With the intermittent process production project of Beijing industrial stabilizer ( ELF in France) as an example, how to divide and to design safety interlock layers for control system in technical process control are presented in detail. 以(法国ELF)北京工业稳定剂间歇过程生产项目为例,详细阐述了在工艺过程控制中如何划分和设计控制系统的安全联锁级。
It is concluded that SOUR best indicates the property and the oxygen demand of the sludge in intermittent aeration process. 试验表明SOUR对污泥性能有较强的指示作用,并能反映间歇曝气运行中污泥的需氧特性。
In order to make auto-control of the intermittent aeration process perfect, it was suggested that DO, ORP and PH may be used to be the auto-control parameter of continuous flow intermittent-aeration process. 为了完善间歇曝气工艺的自动控制,提出DO、ORP和PH也可以用来作为连续进出水间歇曝气工艺的过程控制参数。
The paper presents a kind of field bus control system based on FCS to realize integrative management and control system for the intermittent chemical production process. 提出一种基于FCS的现场总线控制系统,来实现对化工间歇生产过程的管控一体化。
Chemical production process of polyethylene catalyst is the representative of intermittent chemical production process which requires sequence, continuous and switch value control. The process needs mutual nesting interlock between the state of production equipment and the production step with rigorous production condition. 聚乙烯催化剂的生产属于典型的化工间歇生产过程,既要求顺序控制,也要求连续控制和开关量的控制,而且相关生产设备的状态和生产步骤之间要相互嵌套联锁、生产条件苛刻。
The membrane separation technology could be used to recover propylene from the non-condensable gases emitted from the intermittent process polypropylene ( PP) plant and the recovery rate of propylene could be up to 90%. 聚丙烯装置尾气回收利用技术应用膜分离技术回收间歇式聚丙烯装置排空的不凝气中的丙烯,回收率可达90%。
On the basis of the field infiltration experiment results on furrow, the characteristics of intermittent storage infiltration process and the effect of intermittent storage parameter on infiltration process were analysed, and the mechanism of intermittent storage infiltration was discussed in this paper. 根据田间入渗试验结果,分析了间歇积水入渗过程的特点及间歇积水参数对入渗过程的影响,探讨了间歇积水入渗机理。
Enhancement of the removal effect on nitrogen and phosphorous of AB process by introducing intermittent aeration process 采用间歇曝气工艺改进AB法工艺氮磷脱除功能的试验研究
Measurement of tool tip mechanical stress with laser in intermittent cutting process 断续切削中刀具应力的激光检测
Application of Programmable Controller to Intermittent Process 可编程序调节器应用于间歇生产过程控制
To Treat Some Knotty Problems in the Automatic Control of the Intermittent Production Process by Means of Programmable Regulator 用可编程序调节器处理间歇生产过程自动控制中的几个问题
A triple effect evaporation intermittent distillation process is used to recover caprolactam in the extraction wastewater from nylon 6 production. 采用三效蒸发-间歇蒸馏技术,从锦纶6生产装置的萃取废水中回收己内酰胺。
The phosphorous and nitrogen removal capacity of intermittent aeration process 连续流间歇曝气工艺的氮磷脱除功能研究
Making use of the character of regularly intermittent process of the air-conditioning system, effective intermittent operation control of the GSHP is significant for the future earth energy utilization. 利用空调系统的经常性非连续运行特点,实现有效的非连续性控制对未来利用地能具有重要的应用价值。
In the light of the low removal efficiency of nitrogen and phosphorous, the experiment project of enhancing the N P removal efficiency of AB process by introducing intermittent aeration process was put forward. Lab scale experiment was conducted with the real sewage of AB process. 针对AB法工艺氮磷脱除功能较弱的特点,提出了采用间歇曝气工艺改进AB法工艺氮磷脱除功能的试验方案,并以AB法工艺污水厂实际污水为研究对象进行了小试研究。
Improving Hydraulic Surface Loading of Secondary Sedimentation Tank by Intermittent Sedimentation Process 间歇运行提高二沉池负荷能力
The mechanism of milling process is very complex due to occurrence of the periodical and intermittent cutting process, semi-closed-form machining and chip thickness variation. The periodical cutting force excites vibration between the cutter and workpiece. 由于铣削加工过程中的多刃断续切削、半封闭加工以及切削厚度随时间改变等特性,使得铣削加工机理较为复杂,加工过程容易出现颤振现象。
The probability density function ( PDF) of wavelet coefficients at different vertical locations and scale are calculated by a continuous wavelet transform, and the results indicate a more intermittent process in the buffer region. 利用连续子波变换,计算了不同尺度、不同法向位置的子波系数概率密度函数,结果发现,缓冲区有着更强的间歇性。