查询词典 raw water

Furthermore it is necessary to study the problems such as the optimum arrangement of package materials inside the reactor and the changes of the working status of the package material at different quality of raw water.

有必要进一步研究填料的最优布置方式及在不同的水源水水质条件下填料运行状态的变化等问题。

Using zeolite as biological carrier, the reactor is investigated to pretreat the micro-polluted raw water of a lake.

采用沸石作为生物载体，以生物沸石反应器为研究对象预处理某微污染湖泊原水。

MW distribution of assimilable organic carbon in raw water was studied.

分析了原水中生物可同化有机碳的分子量分布。

The following contents have been studied comprehensively: the method of assimilable organic carbon measure; the biological stability of raw water in Yangtze Delta; the removal characteristics of AOC by purification technology and pr...

在熟练掌握和运用AOC生物修订法的基础上，对其进行了简化和改进，以100mL具塞玻璃锥形瓶代替45mL硅硼酸盐管形瓶，将测试水样量由40mL增加到100mL，将9个平行水样减少为6个，降低了AOC测定工作强度，有利于推广应用。

But dealing with Tiegang raw water in which the majority of algae were Oscillatoria, terrate was used as pre oxidant coupling with PAC ...

而且用高铁预氧化除藻法明显优于传统预氯化方法。

Research content and research object. The Coagulant Dosage Automatic Control System is discussed emphatically. Including the relation is put up between target standard and the infection factor by date analyzed chart and educational established and sum up the best working point. The target standard including SS COD and OIL .The infection factor including the dosage of PAC PH Mill INTENSION and TIME. On the basis of craft character and control request, it makes a selection of scheme to the whole control system. Finally a scheme is chosen and described as follows: CPU222 of SIEMENS PLC S7-200 is used as the control kernel. V606IC TOUCHER is used as communication man and machine. Controlling pump, compressor, metric pump of system by gathering andanalyzing the flow, PH of raw water .

重点探讨系统的投药自动化，包括系统的数学模型建立的过程，通过数据分析，采用图表和方程式建立系统排放指标(SS、CODcr、含油量)，与各种因素(PAC用量、PH值、搅拌强度、时间)的关系，确定系统的最佳工作点；根据系统工艺特点以及控制要求，对控制系统设计方案进行了选择，确定以西门子PLC(S7-200 CPU222)为控制核心，V606IC10触摸屏作人机界面，通过对原水流量和PH计采样、分析，实现系统中的泵、风机、计量泵等控制；文中从功能上简要地介绍监控系统和给出了自动化原理构成图、PLC软件流程图及部分主要程序。

Using unsterile raw water as culture medium, at 23℃, the Microcystis aeruginosa disappeared gradually, this was related with occurrence of great amount of zooplankton.

以未灭活源水为培养基，23℃时，发现铜绿微囊藻逐渐消亡，这与微型浮游动物的大量出现有关。

Reverse osmosis desalting system includes two parts: raw water pretreatment and membrane system.

反渗透预除盐系统一般包括原水预处理与膜系统两部分。

Changes in raw water quality and flux need an intelligent method to realize the control of coagulation dosing rate.

对于常规的地表水处理工艺，混凝沉淀是一个复杂的物理化学反应过程。

Open PP filter fore valve to let qualified raw water to enter PP and AC filter.

打开PP过滤器前阀，让合格之原水进入PP、AC过滤器，PP、AC过滤器排气。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。