腐蝕孔 的英文怎麼說

中文拼音 [shíkǒng]
腐蝕孔 英文
corrosion hole
  • : Ⅰ名詞(豆腐) bean curdⅡ動詞(腐爛; 變壞) decay Ⅲ形容詞(腐爛) rotten; corroded; putrid
  • : Ⅰ動詞1. (損失; 虧耗) lose 2. (腐蝕) erode; corrode Ⅱ名詞(天體現象) eclipse
  • 腐蝕 : 1 (通過化學作用使物體逐漸消損破壞) corrode; corrosion; corroding; deep etch; diabrosis; rot; ea...
  1. In this system, the oil pipe be locally magnetized through the longitudial and circumferential direction, the oil pipe be circumvolved by the electromotor, the detector will has a linear movement on the surface of the pipe, so it can realize the combined testing of horizontal flaw ( cankerous pits and cankerous holes etc. ) and vertical flaw ( pole flaw and crack etc )

    該系統在油管局部實施軸向和周向磁化,油管由電機主軸帶動旋轉,檢測探頭緊貼油管直線運動,從而實現對坑、腐蝕孔等橫向缺陷和桿狀損傷、劈縫等縱向缺陷的綜合檢測。
  2. Aggressive corrosion of well casing and heat exchangers can be caused by, hcl, and other acids.

    套管和熱交換器的侵是H2S,HCL,H2SO4和其他酸類引起的。
  3. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。
  4. Ceramic electric filter etch - resist screen printing ink

    版陶瓷濾波器耐油墨
  5. Etch - resist screen printing ink for printed circuit board

    版印刷線路板耐油墨
  6. In acid copper sulphate solution, the nc copper has a more negative corrosion potential which is decreasing with reducing the grain size and diffusion impedance was only found in the as - prepared and as - annealed at 180 ? nc copper due to the diffusion within the pores and channels on the surface. both the tafel plots and eis study demonstrated that the nc copper exhibits a higher corrosion current and lower polarization resistance than its mc couterpart

    在酸性硫酸銅溶液中,納米晶銅的電位比微米晶銅要負,並且隨著晶粒尺寸的減小而降低。 eis研究表明,未退火的和180退火的納米樣品中發現了擴散阻抗,與表面洞和通道中的擴散有關。極化曲線外推法和電化學阻抗研究都表明納米晶銅的電流比微米晶銅高,而極化電阻要低。
  7. Analysis of six cementing events indicates that the deeply buried karst during himalayan epoch is related to corrosive hydrothermal fluid and is the key period for forming porous system of the present reservoir

    6期膠結事件的詳細解剖表明,喜馬拉雅期深埋藏巖溶主要與性熱流體作用有關,是形成現今儲層隙系統的最關鍵時期。
  8. A patch antenna with etched holes on the ground plane is also studied. the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment. the results show that the surface waves are suppressed greatly, the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane

    全面地研究了地面周期圓結構的電磁晶體貼片天線在基波頻率處的性能,用fdtd方法並結合pml邊界處理技術對該天線所取得的研究結果顯示,本文設計的地面型電磁晶體結構抑制了貼片天線中的表面波,增加了天線的帶寬,並有效地削弱了旁瓣,使天線的e面方向圖上110和260方向的兩個旁瓣被削弱了10db 。
  9. In the third chapter porous silicon was prepared by pulsed and dc electrochemical etching methods under the equivalent etching condition

    第三章研究了用脈沖電化學制備均勻發光多硅。
  10. 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平面鏡輕量化減重的加工;分析氫氟酸光學玻璃機理,尋找最佳酸濃度、作用時間等工藝參數,實現400mm平面鏡減重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。
  11. Cementitious capillary crystalline waterproofing coating ( abbreviated ccwc ) is a new type of cement - based waterproofing materials, which is characterized by its very good adhesive performance and impermeability to water, self - rehabilitating ability, permanent waterproofing effect, good aging resistance and corrosion resistance, simple construction method and harmless to hunman etc. ccwc consists of ordinary portland cement, quartz sand and reactive substances and other supplementary ingredients, whose reactive substance can permeate into the internal part of concrete structures through water and produce insoluble crystals filling capillary pores or crack of the concret through reaction with cement hydrates and unhydrates

    水泥基滲透結晶型防水材料是以硅酸鹽水泥或普通硅酸鹽水泥、石英砂等為基材,摻入活性化學物質而組成的一種新型防水材料。摻入的活性化學物質以水作載體向混凝土內部滲透,與混凝土中未水化的水泥及部分水泥水化產物發生結晶反應,生成不溶於水的結晶體,堵塞毛細道,使混凝土緻密、防水。這種防水材料具有粘結力強、抗滲性能好、自愈合能力強、防水效果持久、耐老化、耐、易施工、對人類無害等特點。
  12. In the third chapter, the influence of current density, solution concentration, erosion time and aging in ambient air on the pl spectra of ps suggests that peak would blue shift with current density increasing, and with erosion time and aging time prolonging ; with the increasing of solution concentration, peaks would red shift when solution concentration less than 1 : 1 but blue shift when solution concentration greater than 1 : 1. above phenomena can be explained by quantum confinement and light center model, but do not deny the action of si - h bonding and defect on the surface in the process of photoluminescence. at present, radiation mechanism is still one of the primary problems in the study of ps

    在第z三章中;通過對比,分析了電流密度、陽極化時間、溶液濃度以及自i然氧化時間對多硅光致發光光譜的影響,認為在一定的范圍內,多i硅的發光峰位會隨電流密度的增大而藍移,要獲得較強的發光,需z要選擇合適的電流密度;隨著時間的延長,多硅的發光峰位會i發生藍移;當f酸的濃度較小q : 1 )時,峰位隨濃度的增大表現為向i低能移動;而當f酸的濃度較大河山時,峰位隨濃度的增大則表現z為移向高能;多硅在空氣中自然氧化;其發光峰位發生藍移,而強i度隨放置時間的延長而降低。
  13. Corrosivity of plastics connector - socket housing

    連接器插塑料外殼的
  14. The porous ceramics is composed of lots of bridge arch - shaped microspores that connected and well - distributed inside the material. when the fluid passes through these pores, the suspended matters, colloid particles and big molecular organic substances are withheld or absorbed to the inner surface of the pore, and result in filtration, purification adn even - dispersion, high strength, good resistance to abrasion, high temperature and corrosion, no pollution, long workinglife, and easy to regenerate, the porous ceramics are available for filtration and fluidization of variou gas and liquid

    陶瓷過濾介質由許多大小分佈均勻,相互連通的橋拱狀開口氣組成.當流體從這些氣中通過時,流體中的懸浮物質,膠體顆粒,大分子有機物等被截留,吸附在微道內,從而達到了凈化和過濾均勻化的效果.微陶瓷強度高,耐磨損,耐高溫,耐,無污染,氣分佈均勻,使用壽命長且再生簡便,特別適用於各種氣,液過濾和流態化過程
  15. And then electroplate nickel - sealing with solid particulate, which is to make micro - crack chromium when electroplating chromium again, this can avoid unsmoothness, and slower corrosion speed, as a result, improve defence performanc e

    再鍍一層含有固體微粒的鎳封,令到再鍍鉻時形成微鉻,從而防止產生大而深的直貫基體金屬的少量溝紋和凹坑,向橫向發展,減緩了穿透基體的速度,進一步提高了防護性能。
  16. Study on the influence of residual carbon film upon early perforated corrosion on brass tubes of the condensor

    殘碳膜對凝汽器黃銅管早期穿影響的研究
  17. The reduction factors derived from curve fitting based on calculation results by the finite element program ( ansys ) considering all kinds of damages such as cutouts, corrosion, cracks, denting, initial deflection and residual stress are introduced to modify the effective width of perfect panel in the present paper

    本文考慮板中可能存在洞、、裂縫、局部撞損和初始焊接變形或殘余應力等損傷和初始缺陷,對不同的損傷形式用有限元程序( ansys )進行大量的計算,通過曲線擬合的方法引入折減系數對完好板格的有效寬度進行修正。
  18. The corrosion behavior of porous silicon in hf / h2o2 solution has been studied. it is found that the inner corrosion of porous silicon takes precedence, that is, the solution enters the pores through capillary and the whole porous silicon collapses because of the simultaneous corrosion of the silicon pillars

    研究了多硅在hf / h _ 2o _ 2溶液中的行為,發現多硅的為主,液通過毛細效應進入納米內,壁被掉后使得多硅整層同時坍塌。
  19. The blocked fire resistant layer core found when check should be cleaned, to guarantee each pore is unblocked, distorted and corroded fire resistant layer should be replaced

    檢查發現被堵塞的阻火層芯子應清洗干凈,確保芯子上每個眼暢通,對于變形或的阻火層應更換。
  20. Test method for acid and alkaline - resistance of porous ceramic

    陶瓷耐酸堿性能試驗方法
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