1) operation with changed cycles
变周期运行
1.
The design parameters and operation status of Cyclic Activated Sludge Technology(CAST) in Laohutan Wastewater Treatment Plant of Dalian City were introduced,and the impacts of winter start-up and operation,operation with changed cycles,aerated grit chamber,wastewater distribution method and design capacity of blower on practical operation result were analyzed.
介绍了大连老虎滩污水处理厂循环活性污泥工艺(CAST)的设计参数及运行情况,并分析了冬季启动和运行、变周期运行、曝气沉砂池、配水方式和鼓风机设计风量对实际运行效果的影响。
2) Operating period
运行周期
1.
Measures to prolong the operating period of cryogenic purification plant were discussed.
介绍深冷净化装置性能特点,分析产生周期性故障的原因是粉尘及水进入冷箱造成,探讨延长深冷净化装置运行周期的对策,对分子筛干燥器出口过滤器进行了改造,避免了过多的粉尘带入深冷净化装置。
2.
Aimed at these factors,the process was improved ard new assistants used so that the operation of the plant should be obviously improved and operating period be prolonged.
通过对丁二烯抽提装置精制系统运行状况的分析,认为系统含氧量、物料流速、原料杂质、阻聚剂阻聚效果等是影响丁二烯抽提装置精制系统运行周期的主要因素。
3.
On the basis of the peculiarity of distribution networks,the numerical characteristics of power flow in an operating period are extracted.
针对配电网的特点,提取了一定运行周期内的配电网潮流的数字特征———最大负荷潮流、最小负荷潮流和均值潮流。
4) operation period
运行周期
1.
Influence of height of fluidized catalyst bed on operation period of gas phase PE plant;
控制气相PE流化床高度对装置运行周期的影响
2.
The 5TYD160 turbine air compressor set in KDON-6500/6500 air separation system in Jinchang Smelter has problems of short operation period,much operating and maintenance work because of its structure feature and operation environment.
我厂KDON-6500/6500型空分系统用5TYD160空气透平压缩机组因自身结构特点及运行环境影响,存在运行周期短、操作及维修作业强度大等问题。
3.
The influence of surface-loading rate on the operation period and sludge distribution of the suspended media clarifier was studied in a pilot-scale test to investigate its operation principle and key parameters.
设计了新型悬浮填料澄清池以取代传统二沉池,为考察其运行原理及关键参数,通过中试研究了表面负荷对澄清池内部污泥分布规律及其运行周期的影响。
5) cyclic operation
周期运行
1.
This study is to ascertain treating efficiency and stability of this system by TURT, SRT and cyclic operation control.
本研究通过水力停留时间、泥龄和周期运行跟踪研究确定系统处理效果和稳定性。
2.
Difference between the results from cyclic operation and noncyclic operation is significant and the effectiveness is followed the sequence as(aeration filtration-pause-aeration tractive current)<(no aeration filtration-pause-aeration tractive current)<(continuous aeration tractive current).
周期运行与非周期运行之间的差距较大,按"曝气过滤-暂停-曝气扫流"<"不曝气过滤-暂停-曝气扫流"<"连续曝气扫流"的顺序阻力增大,因此采用周期运行方式在一定程度上可以恢复超滤速率。
6) Operation cycle
运行周期
1.
This paper has probed into several key elements of operation cycle of Zinc leaching residue volatilization kilin.
探讨了影响锌浸出渣挥发窑运行周期的几种主要因素,并介绍了株冶在延长挥发窑运行周期的生产实践经验。
2.
2kgCOD/(m~3·d),operation cycle under 3 hours and superficial air velocity at 2.
2 kgCOD/(m~3·d)、运行周期为3h、气体上升流速为2。
补充资料:变分原理(复变函数论中的)
变分原理(复变函数论中的)
omplex function theory) variational principles (in
f日In}F(O(只,t),0)l}乙+:d乙=】nll,—}——,厂:’、一几t)〔.匕,日亡卜OC一“C’日当r,0时下*(:、,t)/:在B*的紧子集上一致地趋于0(k一1,2).该结果已被推广到二连通区域(13」).若加以进一步的限制,就能得到映射函数在B、(t)内关于表征所考虑区域边界形变的参数的展开式余项的估计式(在闭区域内一致)(【4」).份卜注】存在大量的变分原理,见【A3}第10章.亦可见变分参数法(variation一parametrie nlethod);肠”ner方法(幼wner Tnetl〕ed);内变分方法(internalvariations,服t】1‘对of). 还可见边界变分方法(boundary variations,me-tll‘xlof).M.schiffer对单叶函数的变分方法做出了重要的贡献,见〔A3」第10章.变分原理(复变函数论中的)Ivaria石0“目州址妙es(加e网Plex五叮‘6佣山印ry);。即“a双“OHH从e nP一”u“nHI 显示在平面区域的某些形变过程中那些支配映射函数变分的法则的断语. 主要的定性变分原理是ljxlelbf原理(Linde场fpnnciPle),可描述如下.设B*是z*平面上边界点多于一点的单连通区域,06B*,k=1,2;设二(;,B*)是对于B*的Green函数的阶层曲线,即圆盘王心川C!<1}到B*而使原点保持不变的单叶共形映上映射下圆周C(r)二{乙:{心}二;}的象,o<;<1.进而设函数f(:,)实现B,到B:的共形单射,f(0)‘O,在这些假定下有:l)对于L(:,B,)上任一点:?,存在位于阶层曲线L(:,BZ)上(这仅当f(B,)二BZ才有可能)或其内部的一点与之对应;及2){f’(0)1蕊}夕‘(0)},其中g(:,)满足g(0)二o是Bl到 BZ的单叶共形映射(等号仅当f(B1)=B:时成立).Lindebf原理系从Rien坦nn映射定理(见Rle-n.lln定理(Rierl飞幻In theorem))与Sdlwarz引理(Schwarz lemrr必)推出.相当精细的构造使之能够求出由被映射区域的给定形变所引起的映射函数的逐点偏差. 定量的基本变分原理系由M.A.几aBpeHTbeB(〔1」)获得(亦可见【2]),可叙述如下,设B:是具有解析边界的单连通区域,0任B!.假定存在给定区域族B,(r),0‘Bl(r),0(t蕊T,T>O,B;(0)二B,,具有JOrdan边界rl(t)={:一z,=0(之,t)},0(又续2兀,0(0,t)二Q(2二,r),其中Q(又,r)关于t在t二O可微且对又是一致的;设F(::,t),F(0,t)=0,F:.(0,t)>O,是把B,(t)单叶共形映射为BZ二{22:I:21
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条