氫氟酸 的英文怎麼說

中文拼音 [qīngfúsuān]
氫氟酸 英文
[化學] hydrofluoric acid
  • 氫 : 名詞[化學] （氣體元素） hydrogen （h）
  • 酸 : 酸構詞成分。
  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. Subject to mild attack by aqua and or hydrofluoric acid

    在王水和氫氟酸中稍有腐蝕
  3. A case of hydrofluoric acid poisoning treated by venous injecting of calcium gluconate

    靜脈補鈣搶救氫氟酸中毒1例報告
  4. Hf acid detecting paint to ensure valve integrity

    用於保證閥門完整性的氫氟酸檢測漆。
  5. Kerogen analyses, however, require preliminary isolation of the kerogen by hydrochloric and hydrofluoric destruction of the inorganic minerals.

    但是，油母巖分析需要使用鹽酸和氫氟酸破壞無機物以便初步分離出油母巖。
  6. 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。
  7. Chemical reagents. hydrofluoric acid

    化學試劑氫氟酸
  8. Aqueous hydrofluoric acid for industrial use. sampling and methods of test

    工業用含水氫氟酸.取樣和試驗方法
  9. Silica refractories - determination of silicon dioxide content - hydrofluoric acid gravimetric method

    氫氟酸重量法測定二氧化硅量
  10. Chemical analysis of silica refractories - part 3 : determination of silicon dioxide - hydrofluoric acid gravimetric method

    硅質耐火材料化學分析方法第3部分：氫氟酸重量法測定二氧化硅量
  11. It is insoluble in water and acid, but dissolves in caustic soda and hydrofluoric acid without separation under high temperature

    不溶於水及酸，深於苛性鈉、氫氟酸，受高溫不分解。
  12. Before any monel part is assembled into a hydrofluoric acid valve it is acid tested to assure that it is monel

    在將任何蒙乃爾部件組裝進氫氟酸閥門之前，都經過酸性檢測，以確保確實是蒙乃爾材料。
  13. 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。
  14. Hydrofluoric acid will react with carbon steel and monel producing a fluoride buildup on the metal surfaces which can render the valve inoperable

    氫氟酸會與碳鋼和蒙乃爾發生化學反應，產生氟化物，聚積在金屬表面，從而致使閥門無法正常工作。
  15. 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。
  16. 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。
  17. 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。
  18. 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。
  19. 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。
  20. 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。
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