氫氟的 的英文怎麼說

中文拼音 [qīngfúde]
氫氟的 英文
fluorhydric
  • 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. Hf acid detecting paint to ensure valve integrity

    用於保證閥門完整性的氫氟酸檢測漆。
  3. 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。
  4. 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。
  5. 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。
  6. 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。
  7. 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。
  8. 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。
  9. 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。
  10. 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。
  11. Hf acid detecting paint to ensure valve sealing integrity

    氫氟酸檢測漆，用於保證密封的整體性。
  12. Soil quality - dissolution for the determination of total element contents - part 1 : dissolution with hydrofluoric and perchloric acids

    土壤質量.為測定總元素含量進行的溶解作用.第1部分:使用氫氟酸和過氯酸的溶解
  13. Meanwhile, the paper gives a detailed discussion on the coupling principles and also the fabricating processes of these three traditional fiber couplers. the hf etching method to fabricate the coupler is studied

    同時，本文還具體介紹了上述三種傳統的光纖耦合器製作方法，即熔融拉錐法、氫氟酸腐蝕法和邊研磨法製作光纖耦合器的原理以及製作工藝。
  14. Meanwhile, the paper also discusses some methods to improve the polishing processes, i. e. using the liquid - drop method to monitor the remaining width of the cladding in time. finally, the feasibility of the three kinds of coupling method ? fbt, hf acid etching and the side - polishing are discussed and compared

    最後，對熔融拉錐法、氫氟酸腐蝕法和邊研磨法三種方法的可行性進行了分析與比較，得出一套比較適用於光纖竊聽的設計方案。
  15. In the beginning, the development history and the current development of the technique of fiber detection are introduced briefly. then, discussed in detail are strong coupling theory concerning the fbt coupler and the weak coupling theory concerning the hf acid etching and the side - polishing coupler. from the analysis of fiber coupling equations, the solution of the equation and the formula of the coupling coefficient are derived

    本文首先概述了光纖竊聽技術的發展歷程和現狀，有針對性地分析了關于光纖竊聽技術中的光纖耦合問題，並詳細介紹了用於熔融拉錐耦合器的強耦合理論和用於氫氟酸腐蝕與邊研磨光纖耦合器的弱耦合理論;分析了耦合模方程，得出了耦合模方程的形式解，推導出耦合系數的計算公式。
  16. A new type filler, ptfe ladder rasching ring is designed and used in the washing tower of anhydrous hydrofluoric acid equipment, properties of this filler is also analyzed

    摘要設計了1種新型填料ptfe階梯拉西環並應用在無水氫氟酸裝置的洗滌塔中，分析了該填料的特性。
  17. Although samples were in a hot reflux for a long time at 85 in the experiment, and 5 ? molecular sieve of the adsorbed sample was acidized by hydrofluoric acid, the analytical method was tested to have little influence on carbon isotopic composition of the saturated hydrocarbons before and after complexation

    盡管實驗過程中樣品經過85長時間加熱迴流及吸附樣品的5 ?分子篩用氫氟酸酸化處理，但實驗結果經儀器檢測，證明該方法對正構烷烴碳同位素值影響因素不大。
  18. It introduces the property of by - product fluorgypsum from hydrofluoric acid, reviewes the application of fluorgypsum at home, and predicts the developing trend and direction of comprehensive utilization fluorgypsum

    摘要對氫氟酸生產中的副產品氟石膏的性質進行了介紹，綜述了氟石膏目前在我國的應用現狀，並展現了氟石膏變廢為寶，資源綜合利用的前景。
  19. In this study, si nanomaterials were prepared by a thermal evaporation system, and four kinds of si nanomaterials, nanoparticles, nanoclusters, nanoclusters with hf treatment, and nanoclusters with ch3cooh treatment, were studied

    本研究系以熱蒸鍍系統制備奈米矽，並探討四種不同形式的奈米矽材料的發光機制，分別為矽奈米粒子、矽奈米團塊、以及經由氫氟酸和醋酸處理后的矽奈米團塊。
  20. The paper expounded theory, characteristics, using range and auxiliary reagent of hydrochloric acid, hydrofluoric acid, citric acid, edta and made simple introduction to their craft and use instances, when cleaning the boiler can take reference

    摘要對鹽酸、氫氟酸、檸檬酸、乙二胺四乙酸四種鍋爐常用化學清洗劑的清洗原理、特點、使用范圍，以及配套助劑進行詳細的闡述，並對四種清洗劑的清洗工藝及應用實例進行了簡單介紹，可在鍋爐清洗時進行參考。
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