氟的 的英文怎麼說

中文拼音 [fúde]
氟的 英文
fluoric
  • 的 : 4次方是 The fourth power of 2 is direction
  1. Polymerization of al - catechin complexes may reduce aluminum absorption in intestine. f " can compete a13 + with catechins in solution, and its ability become stronger with decreasing of ph value

    氟能夠與兒茶素竟爭性的與a廣絡合，在較低的ph值時，氟的競爭性增強。
  2. If the fluorine content is high, it may increase plant corrosion.

    如果氟的含量高，會加劇設備的腐蝕。
  3. At the same time, saliva acts as a reservoir for fluorides from toothpaste or from fluoridated water

    同時，唾液還充當氟的蓄積池，貯存來自牙膏和氟化水中的氟。
  4. Brush teeth with fluoride toothpaste in the morning and at night or after eating, along with appropriate interdental cleaning

    每日于早晚及進食后，使用含氟的牙膏擦牙，同時適當地清理牙罅。
  5. Stone coal and its ash, dust, corn, chili, water in vat and boiled water were sampled from the inhabitants ' houses, and fluorine in these media was determined

    採集居民家中石煤、石煤燃后底灰、室內降塵、玉米、辣椒、水缸水和開水，分析其含氟量，研究石煤燃燒時氟的遷移富集機制。
  6. A studing on insecticidal drug effect and toxicology of sulfury fluoride

    硫酰氟的殺蟲藥效及毒理學研究
  7. Sulfuryl fluoride, it ' s efficacy and toxicological study

    硫酰氟的殺蟲毒性和毒理學研究
  8. 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。
  9. Insulating and sheathing compounds for cables and flexible cords - fluorinated polymers

    電纜和軟導線用絕緣和鎧裝復合物.含氟的聚合物
  10. The sources, background value, environmental geochemistry features of fluorine, and its biological effects on animals, plants and human beings were reviewed

    闡述了環境中氟污染的來源、本底值和氟的主要環境地球化學特徵及氟對植物、動物和人機體的生物效應。
  11. Based on related data of incidence of local fluoride epidemic and fluorine concentration in soils in china as seen in literature published in china, the relationship between soil environmental quality of fluorine and human health in china was reviewed and analyzed in the present paper, with the results that guideline on soil environmental quality of fluorine in relation to human health, including guideline on total and water soluble fluorine content of soils, as well as the assessing methods for predicting local fluoride epidemic, were established

    摘要根據全國已經報道的地氟病發生率和土壤氟的相關資料，對我國氟的土壤環境質量指標與人體健康關系的研究進行了總結與分析，探討了氟的土壤健康質量指標，包括我國土壤中全氟和水溶態氟的土壤環境質量指標確定和評價方法。
  12. The presence of fluoride ion in drinking water may be beneficial or detrimental to people health depending on its concentration. drinking water with the concentration of fluoride kept within prescribed limits can reduce dental cavities and enhance the bone. however, when water supplies contain excessive fluoride concentration, it can result in dental or fluorosis, more severely it can cause crippling

    氟是人體內維持骨骼正常發育必不可少的成分，但是氟的攝取量在有利和有害之間的變化范圍極窄，長期飲用高氟水可導致氟斑牙，嚴重者導致骨骼變形、疼痛，關節僵硬，筋腱鈣化，行走困難，以致癱瘓。
  13. 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。
  14. Uranium dioxide powder and pellets - determination of fluorine - pyrohydrolysis ion - selective electrode method

    二氧化鈾粉末和芯塊中氟的測定高溫水解-離子選擇性電極法
  15. Gas chromatography for determining trace amount fluorine in the urine

    尿液中微量氟的頂空氣相色譜測定法
  16. A notice shall be filed with the local chemical industry authorities under the parm government, prior to construction, any project to build, expand or renovate facilities used in producing discrete organic chemicals in category iv mccs that do not have phosphorus, sulfur and fluorine contents

    新建、擴建或者改建用於生產第四類監控化學品中不含磷、硫、氟的特定有機化學品的設施，應當在開工生產前向所在地省、自治區、直轄市人民政府化學工業主管部門備案。
  17. The result showed that the compounds containing cf3 had lower lumo levels than those containing no fluoro group, but the phenyl unit containing four f groups in 1, 3, 4 - oxadiazole compound had no significant effect on its photo - electric properties

    結果表明，與不含氟的惡二唑化合物相比，三氟甲基苯單元可降低化合物的lumo能級，而四氟苯單元則對化合物的光學和電化學性質無顯著影響。
  18. Determination of fluorine in feed - ion selective electrode method

    飼料中氟的測定離子選擇性電極法
  19. Standard test method for determination of total chlorine and fluorine in uranium dioxide and gadolinium oxide

    測定二氧化鈾和氧化釓中氯和氟的總含量的標準試驗方法
  20. Determination of fluoride in uranium ore concentrate by ion - selective electrode

    鈾礦石濃縮物中氟的測定離子選擇性電極法
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