氫氟化的 的英文怎麼說
中文拼音 [qīngfúhuàde]
氫氟化的
英文
fluohydric-
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。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。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。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。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。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。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。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。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。Experimental and research on fluorine hydride recycled from waste acid
廢酸液中回收氟化氫的實驗研究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) 。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。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。The prepared thick porous silicon layer as the cathode is applied about 10ma / cm2 current in mixture of ethanol, hf and hicb solutions, which is expected to improve the stability and the smoothness of the surface and the mechanical property of the porous silicon thick layers
在乙醇、氫氟酸、過氧化氫溶液中,多孔硅樣片做陰極施加電流密度為10ma cm ~ 2 ,實驗獲得了穩定性好、表面光滑及機械特性良好的多孔硅厚膜。Specification for low - frequency miniature equipment wires with solid or stranded conductor, fluorinated polyhydrocarbon type insulation, single
採用氟化處理過的碳氫聚合物絕緣的低頻微型設備用單芯或多芯單股線規范Hf - based solution is widely used for cleaning and wet etching sio2 in pre - diffusion clean process
摘要以氟化氫為基礎的溶液被廣泛地用在擴散前清洗工藝中的二氧化矽清洗與蝕刻中。Analysis of water used in boiler and cooling system - determination of total silicon - photometric method by conversion with hydrofluoric acid for low silicon
鍋爐用水和冷卻水分析方法全硅的測定低含量硅氫氟酸轉化法Producer of cobalt, nickel, and copper salts in china. products include oxides, chlorides, sulfates, nitrates, acetates, and aminosulfonates
-生產氯乙酰氯氯乙酸氫氟酸鹽酸等無機化工品,提供相關的產品技術標準檢驗方法和儲存及運輸要求。Hf + hno3 water solution can be used for corroding of metallographic sample of martensitic stainless steel, corroding efficacious is the same as its of 4 % nitric acid alcohol solution, corroding speed is quick and corroding test surface is clear, similar discoloration made on test surface can be avoided when fecl + hcl water solution is applied
摘要介紹了用氫氟酸、硝酸水溶液侵蝕劑侵蝕馬氏體不銹鋼,侵蝕速度快且侵蝕試面清澈,避免了氯化高鐵、鹽酸水溶液對侵蝕面造成的污跡缺陷。分享友人