water pretreatment 中文意思是什麼

water pretreatment 解釋
水預處理
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • pretreatment : 初步加工
  1. Water quality - guidance standard for the routine sampling and pretreatment of benthic diatoms from rivers

    水質.河水中底棲硅藻類常規取樣和預處理的指導性標準
  2. The paper reports concisely the technology development of pretreatment and subsequence treatment of acidic water stripping installation now, the technology of pretreatment of acidic water include : remove waste gas, waste oil, suspending solid, effluvium and safety measure taken, the technology of subsequence treatment of acidic water include : the technology of return use of srripped water and the technology of sbr and the technology of ion exchange of denitrification, especially the proprietary technology of fripp in the field

    摘要簡述了目前煉油廠酸性水汽提裝置的上下游處理技術及其研究進展，上游技術主要包括：酸性水降壓脫氣、除油、脫懸浮物、惡臭氣體脫臭和應採取的安全防護措施；下游技術主要包括：汽提凈化水的回用、 sbr法、離子交換法除氨等工藝，並簡要介紹了撫順石油化工研究院在本領域上的專有技術。
  3. In the biological pretreatment procedure for eutrophic water, mc were degraded by special bacteria and assimilated by heterotrophic microorganisms

    生物預處理工藝中， mc在特定細菌的降解作用及混合微生物的同化作用下被去除。
  4. A deep treatment pilot test was made on micropolluted source water with combined technique of o3 preoxidizing biological pretreatment - coagulant sedimentation - sand filter - o3 after oxidizing biological activated carbon ( bac ) filter

    摘要利用臭氧預氧化生物預處理混凝沉澱砂濾臭氧后氧化生物活性炭濾池組合工藝對微污染水源水進行了深度處理中間試驗。
  5. In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed

    為了探討玫瑰花抗氧化活性的影響因子，比較了不同乾燥方法、提取方法對其抗氧化活性的影響，發現：經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性；以水作溶劑提取時， 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強；通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為： 75乙醇為溶劑，液料比1 ： 10 ，提取3次，每次24h ； 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取，發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部，說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物； 4
  6. Pretreatment of micropolluted raw water with a fluidized bed bioreactor in a laboratory scale

    微污染原水生物流化床預處理工藝研究
  7. Through the comparison between freeze - drying and heat - drying, the agglomeration and the desorption of the precursor on carbon support can be alleviated with freeze - drying method. the effects on the electrocatalysts by pretreatments of carbon support, dispersant and precursor are studied. the result shows that pretreatment of the carbon support by kmno _ 4 can add oxygen - containing functional groups on the surface of carbon, which can reduce the hydrophobicity of the carbon support, and then make it much easier for carbon to dissolve in water to form suspension ; isopropyl alcohol can make the carbon support in high dispersion in the precursor solution, which can make the precursor absorbed on the surface of the carbon

    採用高錳酸鉀氧化預處理的碳載體比表面積較大，表面含氧官能團數量較多，親水性較好，有利於前軀體在碳載體表面的吸附;選取異丙醇作為預凍液中的分散劑，有利於碳載體在前軀體溶液中的分散，容易實現前軀體離子在碳載體表面的穩定吸附和分散;使用酸性pt （ no _ 2 ） _ 2 （ nh _ 3 ） _ 2作為前軀體，可以使前軀體離子和碳載體表面的酸性含氧官能團發生離子交換反應，使得前軀體離子吸附量增大，分散更加均勻，以上三種因素的選取都可以得到催化活性更高的pt / c催化劑。
  8. Pretreatment of waste water with copper in complex state

    絡合銅廢水預處理技術探討
  9. Water pressure method is applicable for evaluating permeability of concrete. the test time needed is short, and operation and pretreatment is easy

    通過研究發現水壓法對于評價混凝土滲透性來有很好的適用性，而且試驗周期短，操作簡便，對試件的預處理簡單。
  10. Currently implemented technology for converting seawater / saline water into freshwater, such as distillation, reverse osmosis and electric dialysis has problems of difficult maintenance like pretreatment of seawater, high temperature or pressure, the need for engineers with specialist knowledge and so on

    上述方法需要高溫或高壓，設備復雜，技術要求高，對處理水質量要求高，一般需要進行水的預處理，這使得淡化水成本居高不下。
  11. Based on the fast ethernet technology standards, the hardware platform integrates the field analysis facilities, the water quality detecting facilities, boat carried gps and hydrometeorological facilities to a fast boat carried entironment monitoring system. the system realizes the auto collection, pretreatment and distribution of the sample of the marine water, the field collecting, distill, analysis and storage of the monitoring data and sending of the data to land supporting system to finish the producing and rele ase of the information product

    該硬體平臺採用符合internet intranet技術標準的交換式快速以太網技術和星型連接拓撲結構建設船載局域網路，支持局域網上10mbps的數據傳輸速度，將現場分析儀器、水質檢測設備、船載gps以及水文氣象等設備集成為一個船載海洋生態環境快速監測系統，實現樣品的自動採集、預處理與分配，以及監測數據的現場收集、提取、分析處理與存儲，同時將監測數據實時傳回地面支持系統進行信息產品製作和發布。
  12. Biological pretreatment of drinking water

    飲用水處理中的生物預處理工藝
  13. Some research results about the biological activity determination of drinking water biological pretreatment were also introduced

    同時，也介紹了利用生物活性參數來表徵飲用水生物預處理系統的生物活性的研究狀況。
  14. The removal efficiency of organic pollutant mainly depends on the active biomass of biofilm in the biological pretreatment of drinking water

    摘要飲用水生物預處理過程中，生物膜上存活的活性生物量是有機污染物去除的基礎。
  15. This paper expatiated the mechanisms of several biological activity determination methods, analyzed their advantages and disadvantages, and discussed the feasibility that these analytical methods were applied to drinking water biological pretreatment system

    論述了各種生物膜活性評價方法的檢測機理，分析了這些評價方法存在的優缺點，探討了它們在飲用水生物預處理工藝中應用的可行性。
  16. This paper deals with high fluid concrete in which high strength ceramsite made from shale was used as coarse aggregate. effects of cement content, water - cement ratio, sand percentage, mineral admixture, grading and pretreatment of lightweight aggregate on compressive strength and workability of high fluid structural lightweight aggregate concrete have been studied. the rules of water absorption of high strength lightweight aggregate under different pressure and effects on uniformity of high fluid structural lightweight aggregate concrete have been studied too

    本文採用高強頁巖陶粒，摻加高效減水劑配製大流動性結構輕集料混凝土，討論了水泥用量、水灰比、砂率、礦物摻料及輕集料的級配和預濕方式對大流動性結構輕集料混凝土強度和工作性的影響；系統研究了高強陶粒在常壓和壓力下的吸水規律；研究了影響大流動性結構輕集料混凝土勻質性的因素，提出了解決大流動性結構輕集料混凝土分層離析的具體措施。
  17. Water quality - guidance standard for the routine sampling and pretreatment of benthic diatoms from rivers ; german version en 13946 : 2003

    水質.河床硅藻類常規取樣和預處理的指導性標準
  18. Ultrafiltration experiment of electrodialysis pretreatment for produced water desalination

    油田采出水電滲析脫鹽預處理的超濾實驗
  19. Productive experiments on biological ceramsite filter for water pretreatment of the upper huangpujiang river

    生物陶粒濾池預處理黃浦江上游水的生產性試驗研究
  20. Small sewage treatment plants - part 1 : plants for waste water pretreatment

    小型污水處理廠.第1部分:廢水預處理廠
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