氟氫的 的英文怎麼說

中文拼音 [fúqīngde]
氟氫的 英文
hydrofluoric
  • 氫 : 名詞[化學] （氣體元素） hydrogen （h）
  • 的 : 4次方是 The fourth power of 2 is direction
  1. In order to elaborate the app licability of osl to loess, especially single aliquot regenerative protocol ( sar ), involving stimulation of the same disc with an infra - red laser diode followed by blue leds to polymineralic fine - grains of loess, such explanations as light bleaching, preheat, anomalous fading, prior - ir exposure were investigated in this paper. for drawing adequate coarse grains from loess, quartz and feldspars, as well as loess, were etched by hydrofluoric acid and fluorosilicic acid. the sequence of ages of holocene loess in weihe rivier basin has been established by single - aliquot ( sar ) and multiple - aliquot using fine - grains and sar using coarse - grains

    本文通過渭河流域全新世黃土的光曬退實驗，地表黃土樣品的d _ e值測定，細顆粒單片的預熱、反常衰退、紅外暴露實驗，說明釋光測年在全新世黃土中應用的可行性及單片再生劑量法（ sar ）在黃土細顆粒中的適用性；為了從黃土中分離出足夠的粗顆粒，進行了純石英和長石的氫氟酸（ hf ）和氟硅酸（ h _ 2sif _ 6 ）溶蝕實驗，黃土粗顆粒石英溶蝕分離實驗；通過細顆粒單片、多片的blsl 、 irsl和post - irosl ，熱釋光，及粗顆粒石英的blsl的年代測定，選擇適于全新世黃土的釋光測年方法，並建立了渭河流域全新世黃土的年代序列。
  2. This product had strong property of separation and recovery of organic dissolvent and vapour, such as ether, ketone, alcohol, thf, dichlorotetra, chlorolform, narkosid, carbon disulfide disulphide, carbon, benzol, gasoline oil, etc

    對醚類、酮類、醇類、四氫呋喃、二氯四烷、三氯甲烷、三氯乙烯、二硫化碳、苯、甲苯、甲酰、汽油及含汞、含氟烴類有機溶劑和有機蒸氣有很強的分離、回收性能。
  3. Hf acid detecting paint to ensure valve integrity

    用於保證閥門完整性的氫氟酸檢測漆。
  4. Material illustrating detailed structure of graptolites has been etched from limestone by means of hydrofluoric acid.

    表明筆石詳細構造的物質是利用氫氟酸從石灰巖中侵蝕出來。
  5. We test our hydrofluoric acid valves at extended time periods that further assure the quality of the valve performance

    我們加長了檢測我們的氫氟酸閥門的時間段，這樣就進一步保證了閥門性能的質量。
  6. 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。
  7. 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。
  8. 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。
  9. Methods : we examined 102 patients who underwent photorefractive keratectomy and received topical steroids ( either fluorometholone 0. 1 % or prednisolone acetate 0. 5 % alone or combined ) as part of postoperative therapy

    方法：我們檢查了103名已行屈光性角膜切除術並以局部類固醇（ 0 . 1丙酮縮氟氫羥龍或0 . 5潑尼松龍或二者兼有）作為部分術后治療的病人。
  10. The save energy mould pump of the corrosiveness of the ministry of industry such as chemical industry and chlorine alkali, chemical fertilizer, dyestuff, reagent, pesticide, pharmacy, electroplating and environmental protection etc door transport that pf ( fs ) mould chemical industry pump can satisfy to carry many kinds of consistency sulphuric acid, hydrochloric acid, nitric acid, acetic acid, phosphoric acid, chromium acid, oxalic acid, hydrofluoric acid and the lye, organic solvent and oxidizer geometric ratio medium under - 50 s - 80 s temperature conditions and is not han s anything small and roundish medium

    型化工泵能滿足輸送- 50 80溫度條件下的多種濃度硫酸、鹽酸、硝酸、醋酸、磷酸、鉻酸、草酸、氫氟酸和堿液、有機溶劑、氧化劑等化學介質、是化工、氯堿、化肥、染料、試劑、農藥、制藥、電鍍、環保等工業部門輸送不含顆粒的腐蝕性介質的節能型泵。
  11. 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。
  12. Burning furnace is one key equipment of ahf unit, it supplys heat energy for the turning furnace

    燃燒爐是無水氟化氫裝置的關鍵設備，它為轉爐提供熱源。
  13. From the viewpoing of the balance of energy, burning furnace is the biggest of the energy consumers, it consumes a lot of fuel oil - light disel

    從熱量平衡角度來看，燃燒爐是整個無水氟化氫裝置的耗能大戶，它消耗大量的燃料油?輕柴油。
  14. In addition, we test our hf acid valves with helium at 300 psi to insure the castin integrity

    此外，我們是在300psi的氦介質下檢測我們的氫氟酸閥門，以確保鑄件的整體性。
  15. Scientists discovered that high flying supersonic jet aircraft, atomic weapons testing, chemicals such as cfcs chlorofluorocarbons and halons are among the first of the culprits

    科學家們發現：高飛的超音波噴射機原子武器試爆以及cfc chlorofluorocarbon氟氯碳化物和海halon全鹵化碳氫化合物都會破壞臭氧層！
  16. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是：根據光學玻璃的物理與化學性能，選擇輕型鏡坯材料；用有限元法對鏡子的變形進行分析、計算，找出變形規律，優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構；分析玻璃切削原理，設計專用磨輪結構，選擇合理工藝技術參數，完成400mm平面鏡輕量化減重孔的加工；分析氫氟酸腐蝕光學玻璃機理，尋找最佳酸濃度、腐蝕作用時間等工藝參數，實現400mm平面鏡減重孔應力與微裂紋的消除；討論分離器加工原理和工藝技術特點，完成400mm平面輕型鏡面形加工。
  17. The etching reactor is developed to obtain reproducible tapers of desired diameter and length. an approach for on - line monitoring of etching using the power meter is demonstrated. based on the experimental data, the relationship between the leak - out optical power and change of time and also that between the leak - out power and width of the remaining width of cladding, and the fiber length exposed to hf acid are summarized

    本文對氫氟酸腐蝕法製作光纖耦合器的反應裝置和實驗系統進行了設計，介紹了具體的實驗過程及其注意事項，通過對實驗結果進行分析總結，得出泄漏光功率隨腐蝕時間的變化關系以及泄漏光功率與包層剩餘厚度和腐蝕長度的關系。
  18. Experimental and research on fluorine hydride recycled from waste acid

    廢酸液中回收氟化氫的實驗研究
  19. Workplace air - determination of hydrogen fluoride and fluorides - ion selective electrode method

    車間空氣中氟化氫及氟化物的離子選擇電極測定方法
  20. Bolted bonnet gate valves for alkylation service ( hf acid service see page 19 )

    適用於烴化物應用領域的螺栓閥帽閘閥（氟化氫酸應用領域請參閱第19頁） 。
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