酸性介質 的英文怎麼說
中文拼音 [suānxìngjièzhí]
酸性介質
英文
acid medium-
That is the premise of the bg / ha electrophoresis codeposition. the laws of the electrophoresis deposition of the bg and ha partic les were found by the study on each of their deposition under the different conditions. the electrophoresis codeposition of the bg and ha particles had been studied and the bg / ha graded coating, which is compact in the bottom layer and porous near the surface layer, had been prepared on the surface of the dental implant after the low temperature heat treatment ( about 740 ) and fast firing ( 50 - 80 / min, heat preservation time was 5 - 8min. )
以bg微粉和ha微粉作為塗層原料，通過研究bg和ha微粉在非水介質中的分散情況和帶電特性，選擇冰醋酸為介質，使分散在其中的bg顆粒和ha顆粒表面均帶上正電荷，為電泳共沉積提供前提條件；通過對不同條件下bg 、 ha各自電泳沉積的研究，探索出了兩者電泳沉積的規律；通過對bg和ha在冰醋酸中電泳共沉積以及后續低溫（ 740左右）快燒（ 50 ? 80 min ，保溫5 ? 8min ）熱處理的研究，在鈦合金牙根種植體基體上成功制備出了底層緻密而表層多孔的bg ha梯度塗層。Conductive glass electrodes were modified with polyethylenimine ( pee ) and polyacrylicacid ( paa ) via electrostatic interaction ; and the electrochemical luminescence behavior of luminol on the modified electrodes was compared
摘要通過靜電相互吸引作用對導電玻璃電極表面進行聚乙烯亞胺和聚丙烯酸分子層修飾;比較了修飾電極對中性介質中魯米諾電化學發光的影響。Thus theoretically, weakly acidic drugs ( eg, aspirin ) are more readily absorbed from an acid medium ( stomach ) than are weak bases ( eg, quinidine )
因此，從理論上講，弱酸性藥物（如阿司匹林）在酸性介質中（胃腔）比弱堿性藥物（如奎寧）更易吸收。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。C. application : it is used in making glassware - plate glass, wired glass, figured glass, hollow glass, foam glass and glass block as beer bottle, cups, vacuum flask, optical glass, fiberglass and so forth. its application is common in founding, smelting, fireproof material, cement and chemical industry
用途：製造玻璃，耐火材料，冶煉矽鐵，冶金熔劑，陶瓷，研磨材料，鑄造，石英在建築中利用其有很強的抗酸性介質浸蝕能力，用來制取耐酸混凝土及耐酸砂漿。In the first part of this paper, mn ( iii ) / mn ( ii ) couple in h2so4 was firstly applied as the positive couple to this system, i. e. redox flow cell. its chemical, electrochemical properties, redox kinetics and related parameters were characterized and discussed by rotating disc electrode ( rde ), cyclic voltammetry ( cv ), a. c. impedance ( a. c. imp ), chronoamperometry, tafel curve, and galvanostatic charge / discharge techniques. conclusions have been drawn as follows : 1. the electrochemical kinetics of mn ( iii ) / mn ( ii ) redox couple in 6. 3m h2so4 solution were studied by means of rotating disc electrode ( rde ) technique on platinum electrode
本文第一部分首次成功地將酸性介質中的mn （ iii ） / mn （ ii ）電對應用於氧化還原液流電池這一新型儲能裝置的正極活性材料，通過旋轉圓盤（ rde ） 、循環伏安（ cv ） 、交流阻抗（ a . c . imp ） 、恆電位階躍、 tafel實驗以及mn （ iii ） / mn （ ii ）單電極的恆流充放電實驗，我們得出以下結論： 1 .在旋轉圓盤電極上，不同轉速范圍，不同的極化過電位， mn （ ） / mn （ ）體系氧化還原電極過程的控制步驟不同，電荷傳遞、擴散傳質可分別或聯合成為控制步驟。Methods of test for orthoboric acid boric acid, diboron trioxide boric oxide, disodium tetraborates, sodium perborates and crude sodium borates for industrial use - determination of iron soluble in alkaline medium in crude sodium borates
工業用硼酸氧化硼四硼酸二鈉高硼酸鈉與粗硼酸鈉的試驗方法.粗硼酸鈉可溶於堿性介質的鐵含量測定Methods of test for orthoboric acid boric acid, diboron trioxide boric oxide, disodium tetraborates, sodium perborates and crude sodium borates for industrial use. determination of iron soluble in alkaline medium in crude sodium borates
工業用硼酸氧化硼四硼酸二鈉高硼酸鈉與粗硼酸鈉的試驗方法.第19部分:粗硼酸鈉堿性介質中可溶鐵的測定Methods of test for orthoboric acid boric acid, diboron trioxide boric oxide, disodium tetraborates, sodium perborates and crude sodium borates for industrial use - determination of aluminium soluble in alkaline medium in crude sodium borates
工業用硼酸氧化硼四硼酸二鈉高硼酸鈉與粗硼酸鈉的試驗方法.粗硼酸鈉可溶於堿性介質的鋁含量測定Methods of test for orthoboric acid boric acid, diboron trioxide boric oxide, disodium tetraborates, sodium perborates and crude sodium borates for industrial use - determination of matter insoluble in alkaline medium and preparation of test solutions of crude sodium borates
工業用硼酸氧化硼四硼酸二鈉高硼酸鈉與粗硼酸鈉的試驗方法.粗硼酸鈉在堿性介質中不溶物測定和試驗溶液制備The effects of several anti - corrosion solutions on the corrosion - inhibition performance of t52 steel in acid medium
52鋼在酸性介質中耐蝕性的影響Effect of steel pit on the mechanical property was discussed in succession. numerical results show that exponential relation exists between the yield strength and depth of corrosion pit. the work in this part is the theoretical foundation on the study in modeling of constitutive behavior of the corroded concrete and rusty rebar
基於微觀腐蝕機理分析了硫酸鹽介質對混凝土的膨脹性腐蝕作用，從理論上研究了由於膨脹作用引起混凝土內部產生的膨脹應力；討論了鋼筋表面銹蝕坑對鋼筋力學性能的影響，建立了鋼筋屈服強度與蝕坑深度之間的關系；為受腐蝕混凝土和銹蝕鋼筋本構關系的建立提供了一定的理論基礎。The wet parts of this pump are made of full stainless steel material to perform outstanding corrosion resistance to organic acid ， organic compound ， alkali ， neutral solution and a great many of gases ， double helix carbon graphite bearing and hardalloy bearing are provided with good abrasion - resisting propertyto ensure the service life of product ， it is an optimal pump forhandling corrosive mediums without leakage
功能描述該泵過流部份採用全不銹鋼材料，對有機酸，有機化合物，堿、中性溶液和多種氣體都有良好的耐腐性，雙螺旋槽碳石墨軸承和硬質合金軸套的磨合，具有較強的耐磨性，保證了產品的壽命，是無泄漏輸送腐蝕性介質的理想泵。The wet parts of this pump are made of full stainless steel material to perform outstanding corrosion resistance to organic acid, organic compound, alkali, neutral solution and a great many of gases, double helix carbon graphite bearing and hardalloy bearing are provided with good abrasion - resisting propertyto ensure the service life of product, it is an optimal pump forhandling corrosive mediums without leakage
產品概述：該泵過流部份採用全不銹鋼材料，對有機酸，有機化合物，堿、中性溶液和多種氣體都有良好的耐腐性，雙螺旋槽碳石墨軸承和硬質合金軸套的磨合，具有較強的耐磨性，保證了產品的壽命，是無泄漏輸送腐蝕性介質的理想泵。For concrete structure in the practical engineering, the non - mechanics damages, such as alkali - aggregate reaction, sulfate attack, carbonization, steel rust, freeze and thaw, and so on, are unavoidable due to the exist of erosive media. the deterioration form of mono or multi - factor influences on the concrete property of construction and durability greatly, and shortens the service life of the concrete to a large extent. permeability of concrete is the most important factor for these non - mechanics damages, so the permeability test of concrete is the normal and required item to study the durability of concrete
實際工程中的混凝土結構，因侵蝕性介質的存在而使非力學破壞行為無處不在，這些非力學破壞行為包括堿集料反應、硫酸鹽侵蝕、碳化、鋼筋銹蝕、凍融等，單一的破壞形式或多形式的復合破壞作用對混凝土結構性能及耐久性能均有著較為嚴重的影響，在很大程度上縮短了建築物的服役年限，而這些非力學破壞在很大程度上取決于其滲透性，所以測試混凝土滲透性能是研究判斷混凝土耐久性的常規必測項目。Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode
採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極，用掃描電鏡對陽極塗層顯微形貌進行分析，通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同，塗層顯微形貌表現出很大差異，這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外，銥鉭鈦金屬氧化物陽極在海水中的消耗率很低，屬于不溶性的陽極材料，作為外加電流陰極保護用輔助陽極具有廣泛的應用前景A method called " k - ratio h - point standard addition method " was proposed for the simultaneous determination of nitrate and nitrite, based on their ultraviolet absorption spectrum in a neutral medium
摘要研究了在近中性介質中，硝酸根與亞硝酸根的紫外吸收光譜，提出了引用「 k比例h點標準加入法」同時測定了硝酸根、亞硝酸根含量的方法。4 our company personally develops inner non - seal high - pressure rubber joint that can prevent effectively inner wall of rubber joint from the corrosion in the pipe of high - temperature resistance, acid and alkali resistance and oil resistance to improve the use life
4我公司自主研發的內無縫高壓橡膠接頭，在耐高溫耐酸堿耐油的管道中更有效地防止了腐蝕性介質對橡膠接頭內壁的侵蝕，提高了使用壽命。Dupont teijin films ltd is the worlds premier producer of pet and pen polyester films, specialising in film products and related services for the speciality, industrial, packaging and advanced magnetic media and photo systems, electrical and electronics markets
及聚二甲酸乙二醇酯（ pen ）聚酯薄膜的全球知名廠商，專門為特殊、工業、包裝及高階磁性介質及圖像系統、電器及電子產品市場生產薄膜產品及提供相關服務。The dissertation consists of seven parts : chapter 1, reviews the current state of the art in mesoporous materials research, simply introduces its synthesis according to different channel structure, shape as well as derivative production. but the emphasis is focused on its application in separation science and technology, such as membrane separation, selective adsorption of gases, liquids and metal ions. the chromatographic applications for mesoporous materials are also reviewed firstly in this chapter
碩士學位論文介孔材料的合成及用作固相微萃取塗層的研究第四章:在室溫，酸性介質中，首次將合成球形硅膠的「 pica法」與介孔材料合成方法相結合，嘗試合成球形mcm一41 ，用xrd 、 nz吸附一脫附、 sem和ft - ir對合成材料進行了表徵。分享友人