除氟 的英文怎麼說

中文拼音 [chúfú]
除氟 英文
algal fluorine
  • 除 : Ⅰ動詞1 （去掉） get rid of; eliminate; remove 2 [數學] （用一個數把另一個數分成若干等份） divide:...
  1. Design standard for removal of fluorides from drinking water

    飲用水除氟設計規程
  2. It is shown that the effect of pac removing fluoride is closely related to ph value and the optimum range of ph value is between 6. 1 ? 7. 1. under this condition, further studies are made on the optimum coagulant dosage, mixing time, artificial turbidity, filtration rate and filter bed ' s depth and the optimum range of these parameters have been determined

    堿式氯化鋁的除氟能力與原水的ph值有密切的關系，除氟最佳ph值范圍為6 . 1 ? 7 . 1 。在此條件下，進一步對最佳投藥量、混合時間、反應時間、人工輔助投加濁度、濾速及濾層厚度進行了研究，確定了其最優的取值。
  3. If the gas is processed in contact plants, this fluorine must be removed to prevent damage to the catalyst.

    假若該氣體在接觸法工廠中加工，則氟必須除去，以免損害摧化劑。
  4. Establishing the habit of tooth brushing at least twice daily with fluoridated toothpaste and using dental floss or tooth picks will assist in the removal of dental plaque and thereby reduce the chance for dental caries to develop

    2鼓勵有規律的刷牙和用牙線清潔牙養成每天至少用含氟牙膏刷牙兩次和用牙線或牙簽清潔牙的習慣有助於清除牙菌斑，進而減少發生的機會。
  5. Response surface model of proper dosage and exposure time of a broad spectrum fumigant, sulfuryl fluoride

    硫酰氟熏蒸除鼠的投藥劑量與作用時間的響應面模型研究
  6. Brush at least twice a day with glister multi - action fluoride toothpaste to help remove food residue and plaque

    每天以麗齒健?氟素牙膏刷牙最少兩次，清除牙齒上的食物殘渣！
  7. Glister toothpaste with sylodent provides optimum abrasiveness for effective stain removal and enamel - safe polishing

    含有sylodent亮潔粒子的健齒氟素牙膏能有效徹底去除牙垢而不損琺瑯質。
  8. Help prevent tooth decay and gum disease by cleaning away plaque at the gum line each day using glister multi - action fluoride toothpaste and rinsing with glister concentrated mouthwash

    要預防蛀牙及牙周病，建議你每天使用麗齒健?氟素牙膏，清除積聚于牙齦邊緣的牙垢膜，再以麗齒健?濃縮漱口水漱口。
  9. Because it well reserves the chemical stability of inorganic glass, it has the following features : low density, low thermal conductivity, vapor impermeability, no water absorption, incombustibility, protection from mould and rat eating, high mechanical strength but easy to cut and able to bear all kinds of chemical erosions except the hydrofluoric acid

    由於它完全保留了無機玻璃的化學穩定性，具有容重低導熱系數小不透濕不吸水不燃燒不霉變不受鼠嚙機械強度高卻又易加工，能耐除氟化氫以外所有的化學侵蝕。
  10. Analysis f k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference

    摘要本方法用於測定霞石中的鉀、鈉，主要通過在溶樣時加入氫氟酸除去二氧化矽，調整溶液中鉀、鈉的含量，消除互相之間的干擾，加入氯化銫消除電離因素的干擾，提高了分析結果的準確性和重現性，使測定結果更接近化學分析值。
  11. Analysis of k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference

    摘要本方法用於測定霞石中的鉀、鈉，主要通過在溶樣時加入氫氟酸除去二氧化矽，調整溶液中鉀、鈉的含量，消除互相之間的干擾，加入氯化銫消除電離因素的干擾，提高了分析結果的準確性和重現性，使測定結果更接近化學分析值。
  12. In this paper, research on the use of activated alumina and bone char was dong on both batch reactor and continuous - flow column

    為了探索合理的除氟方法和工藝，本論文對活性氧化鋁和骨炭除氟性能進行了系統的研究。
  13. The effective regeneration procedure is soaking the adsorbent 30 ~ 50h with 1 - 2 % al2 ( so4 ) 3 for activated alumina and 20 ~ 30h with 1 - 1. 5 % naoh for bone char. studies show both activated alumina and bone char are excellent adsorbents for the removal of fluoride from drinking water. fluoride concentration below 1. 0mg / l can be acquired easily with them and meets the requirement of drinking water standards

    對兩種除氟劑進行的再生液與吸附劑體積比為1 : 1的再生實驗表明：用硫酸鋁溶液對活性氧化鋁再生，再生濃度為1 2 ，再生時間為30 50h ，沖洗浸泡時間為5h效果較好；對骨炭再生，氫氧化鈉再生液濃度為1 1 . 5 ，再生時間為20 30h效果較好。
  14. In addition, the result of comparing the coagulating filtration method with the coagulating sedimentation method shows that the former method is superior to the latter one when other conditions are fined. finally, a primary estimation of operation cost for defluorination using pac as coagulant is made

    另外，通過對混凝過濾和混凝沉澱除氟兩種方法對比實驗研究，表明在其它條件相同的情況下，前者優於後者，從而進一步證明了混凝一直接過濾可代替混凝沉澱法除氟。
  15. According to the water supply source used the mining area in bai yun, based on the mechanism of coagulation and flocculation, the feasibility of removing fluoride from water with the method of coagulation and filtration is studied through experiment. and several key parameters which affect defluorination are also analyzed. by using polyaluminum chloride ( pac ) as coagulant, the optimum ranges of the operational parameters are obtained

    本文根據白雲鄂博礦區飲用水的供水水源，以混凝機理為基礎，通過靜態和動態實驗，對用混凝過濾法除氟的可行性進行了研究，並對影響除氟因素的幾個主要參數進行實驗分析，得出了用堿式氯化鋁作為混凝劑進行實際運行時，參數最佳取值范圍。
  16. Objective to study the function of electromagnetic fields on decrease turbidity value and fluoride in drinking water

    摘要目的探討復合電磁場降低水的渾濁度和除氟功能。
  17. Specification for design of removing fluorides form drinking water

    飲用水除氟設計規程
  18. Preparation of silica gel impregnated with zirconium oxide adsorbent for fluoride removal

    硅膠負載氧化鋯除氟吸附劑的制備
  19. Technological calcuation on defluorinator device with fixed bed using activated alumina

    固定床活性氧化鋁除氟裝置的工藝計算
  20. Batch reactor tests were performed to study the effects of ph, initial fluoride concentration and adsorbent size

    為了確定影響吸附劑降氟的各種因素及影響程度，對兩種除氟劑進行了靜態實驗、連續處理實驗。
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