in water oxygen 中文意思是什麼

in water oxygen 解釋
水中溶解氧
  • in : adv 1 朝里，向內，在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • 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；...
  • oxygen : n. 【化學】氧，氧氣。
  1. Rapidly increasing oxygen in water, driving water circulation in pond, and efficiently handling hypoxia in fish, prawn and eel, it is a necessary tool of increasing oxygen for aquiculture

    1迅速增加水中氧氣，推動池中水循環，有效快速解決魚蝦鰻等浮頭現象，是水產養殖的必要增氧工具。
  2. Deferrizers and demaganizers are series of products designed by our company for underground water with comparatively high iron and managanese content according to aerating oxidation priciple. in these prducts, packed natural manganese sand in filter is applied as filtering materials, and oxygen in air is applied as oxidants, to make ferrous iron in water oxidized into ferric iron, in a same time, oxidation reaction makes its produced its produced substances left in filtering materials for purposes of deferrization and deman - ganization

    除鐵錳裝置是我公司針對鐵、錳較高的地下水，按曝氣氧化法的原理而設計的系列產品，它是利用過濾器內裝填城然錳砂為濾料，利用空氣中的氧化劑，使水中的二價鐵，同時發生氧化反應使其物進截留在濾料中，從而達到除，除錳的目的。
  3. Using fuzzy comprehensive judgment, the content of oxygen, hypermanganate and ammonia nitrogen in water are analysed in the paper, then a model of water quality assessment is gained

    摘要文章對問題深入分析，採用模糊綜合評判方法，對水中溶解氧，高錳酸盆和氨氮含量進行分析，得到對水質綜合評價的數學模型。
  4. With stable and reliable operation, compact structure, and strong air breathing ability, it enables to enhance the stocking density for fish and prawn, flow water by stir to increase the dissolved oxygen concentration in water, and make even water temperature to improve water quality, which is an idle equipment for high - yielding aquaculture

    具有工作平穩，運行可靠，結構緊湊，充氣能力強，提高魚蝦放養密度，攪拌水體流動，增加水中溶氧含量，能使水溫均勻達到改善水質的目的，是實現高產養殖的理想設備。
  5. The central waters have faced some real challenges in the past. wastewater from both sides of the harbour was discharged into it after just simple screening, leading to marine water low in dissolved oxygen and high in organic nutrients and sewage bacteria

    中部水域曾面對不少嚴峻問題，長期以來維港兩岸所產生的廢水只經過簡單過濾程序便排入港內，導致海水溶解氧含量下降，有機營養物和細菌水平上升。
  6. From the research results, we can see that the initial reason, which leads to the degradation of xuanwu lake ecosystem, is pollution. pollution makes the water and sediments hypertrphiation, increases the opacity of water, and decreases the oxygen in water, so the wetland higher plant communities decrease or disappear. the wetland ecosystem loses the balance, while the biodiversity also decreases

    研究結果表明，引起玄武湖濕地生態系統功能退化的初始原因是嚴重的環境污染問題，污染加劇了水體及沉積物中的營養鹽含量，增加了水體的渾濁度，降低了水體中的氧含量，從而導致濕地高等植物群落減少乃至消失，盡而引起濕地生物多樣性下降、生態系統失去平衡。
  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. To begin with, most of hong kong s sewage and wastewater ended up in the sea, but the bulk of it had received little or no treatment before discharge due to the lack of a developed sewer network and treatment facilities at that time. this led to rises in organic and inorganic pollutants, a reduction in the oxygen content of the water, and increased bacteria levels

    城市的生活污水和工業廢水一般均排入大海，但由於當時污水系統及處理設施並不完善，大部分污水只經過初步處理或甚至未經處理便予以排放，導致海水中有機和無機污染物不斷增加，含氧量下降和細菌水平上升。
  9. Standard test methods for dissolved oxygen in water

    水中溶解氧的標準試驗方法
  10. Study of field rapid determination method of dissolved oxygen in water

    水中溶解氧現場快速測定方法研究
  11. Method for determination of dissolved oxygen in water : electrochemical probe method

    水中溶解氧的測定方法.電化學探測法
  12. Electrochemical removal of dissolved oxygen in water with three - dimensional electrode

    三維電極電化學去除水中溶解氧的研究
  13. On - line monitoring of dissolved oxygen in water by a fiber - optic chemical sensor based on fluorescence quenching

    基於熒光猝滅原理的光纖化學傳感器在線監測水中溶解氧
  14. Expression of performance of electrochemical analyzers ; part 4 : dissolved oxygen in water measured by membrane covered amperometric sensors

    電化學分析儀性能的表示法.第4部分:用包有薄膜的電流傳感測量的水中溶解氧
  15. It is the intense heat of lightning that forces the nitrogen to combine with oxygen in the air forming nitrogen oxides that are soluble in water and fall to the earth in rain as dilute nitric acid

    閃電的高溫是氮和空氣中的氧化合成能溶於水的氧化氮，隨雨水進入土地，稀釋成硝酸。
  16. A spokesman for afcd said, " fish faeces or unconsumed feed from fish culture activities can lead to an increase in water turbidity. in some cases these organic matters accumulate in the bottom mud, increasing the possibility of bottom oxygen depletion

    漁護署發言人說：養魚活動所產生的魚糞或流失飼料會使海水變得渾濁，有些情況下這些有機物積聚在魚類養殖區海床的底泥，增加海底缺氧的可能性。
  17. The optode shows a satisfactory linear response for the dissolved oxygen in water ( r = 0. 9992, n = 6 ) the relative standard deviations were 1. 7 % 5. 0 %, the detection limit was 0. 03 11 g / ml ( sfn = 3 ). the exposure time and recovery time of the optode membrane are 30s and 90s respectively. the reversibility of the fluorescence signal was evaluated by alternate measurements in oxygen saturated water and nitrogen - purged water

    7 5刀之間，最低檢出限為0刀3pg il ；考察了標準海水中主要離子濃度放大1倍后的樣品溶液、鹽度在0 49范圍內的人工海水，以及ph在l 13范圍內的緩沖溶液等干擾因素的對膜響應的影響，結果無顯著性干擾；將本法與國標法相比較，驗證了方法的可用性，最終用於在線監測海水中的溶解氧。
  18. The machine is helpful to enhance water quality, improve dissolved oxygen concentration in water and water convectional circulation, with strong water - stir capability, which is the key equipment for pond farming

    該機對改良水質，增加水體溶氧條件效果極佳，提水攪水能力強，水體循環對流狀況好，是內塘養殖的關鍵設備。
  19. Expression of performance of electrochemical analyzers - part 4 : dissolved oxygen in water measured by membrane covered amperometric sensors iec 60746 - 4 : 1992

    電化學分析儀性能表示方法.第4部分:用包有薄膜的電流
  20. After reviewing the popular techniques utilized in water quality monitoring and analyzing their disadvantages, a novel method to rapidly detect cod ( chemical oxygen demand ) in polluted water with uv ( ultra - violet ) spectroanalysis is proposed

    首先分析了水質檢測的背景和目前使用常用技術，在分析了常用技術的缺陷之後，提出了利用svm進行水質檢測的方法。
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