電侵蝕 的英文怎麼說
中文拼音 [diànqīnshí]
電侵蝕
英文
electrical erosion-
The relationship between capacitance and corrosion conditions in the enlargement of tunnels justifies the latter competition mechanism the varied etching conditions were implemented by enhancing the passivating characteristics and viscosity, changing the a13 + concentration, temperature of etchants and current pulsation. passivating acid in the etchant is conducive to the instant passivation of exposed areas on the foil surface, and hence sustains the balance of competition between aggressive anions and passivators, providing pit nucleatiori sites continuously
通過侵蝕液中添加草酸、硫酸、乙二醇,改變侵蝕液al ~ ( 3 + )濃度和電流紋波等方法,研究了不同的侵蝕條件對隧道孔形貌和比容的影響,結果表明:草酸和硫酸既保護了鋁箔表面又促進了隧道孔孔壁的迅速鈍化,增加發孔密度。Is a hard, brittle, corrosion - resistant, gray to white metallic element extracted from wolframite, scheelite, and other minerals, having the highest melting point and lowest vapor pressure of any metal
顏色呈灰色或棕黑色,硬度高,延性強,熔點極高,常溫下不受空氣侵蝕主要用途是製造燈絲和高速切削合金鋼,各種鎢電極,也用於光學儀器,化學儀器方面。G ws epox quality process uses time - proven cibageigy 229 epoxy resin to assure a void - free, extremely durable system impervious to environmental contamination. the rugged epoxy interfaces minimize the breaking force required for removing separable connectors compared to rubber - to - rubber junctions
G w電纜分接母排使用epox技術,並選用技術成熟的ciba - geigy229環氧樹脂,確保所用材料無空隙,經久耐用,能防止環境的侵蝕。The surface modification of foils contributes to the activation of surface before etching, and consequently provides more pit sites. the redemption and regeneration of passive film on foil surface lead to continuous growth of tunnels. anodized in oxide - forming acid, the etched foil shows higher capacitance
侵蝕前鋁箔的表面改性處理研究了堿性、酸性溶液、直流電和低頻交流電對比容的影響,結果表明堿性溶液和酸性溶液處理有利於活化表面、提高比容;直流電和低頻交變電流表面改性需嚴格控制時間在5s內,最佳為2s ,可提高比容8 10 。And study the quantified methodology of self - restraint the source, the soil erosion reducing, the soil nutrient prediction and reservoir mud alluvial prediction, and applies the model count the water conservation benefit in lingchuan county magedang experimental unit in shanxi province
並分別探討了涵養水源、減少土壤侵蝕、減少土壤養分流失及減少水庫泥沙淤積的效益量化計算方法,以山西省陵川縣馬屹當小水電代燃料試點工程為例進行了水土保持效益的實例計算。Electrical insulating materials. method to evaluate the resistance to tracking and erosion. rotating wheel dip test
電氣絕緣材料.抗漏電和侵蝕性的評價方法.旋轉輪浸漬試驗Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt
通過本文的研究成果,根據區域性地貌的演化特徵,我們可以大致地對現今地應力場進行判斷:在分級卸荷條件下,巖體中彈性變形的恢復具有明顯的規律性,這種規律對于研究地應力場的演變是有幫助的;地應力場中最大主應力方向與區域構造形跡在最近的構造運動中所受區域性擠壓應力的方向無明顯的對應性;區域性地貌形態的演化程度對現今地應力場的特徵具明顯的影響,隨著區域性地貌侵蝕程度由峽谷區、丘陵區、平原區的變化,現今地應力場特徵由自重應力場、水平應力場為主含少量自重應力場特徵向水平應力場的規律變化;在峽谷區,山體中具有兩個應力帶:自重應力帶和卸荷應力帶,最大主應力方向在卸荷應力帶中近平行於坡面並傾向于河谷、在自重應力帶中近於直立;根據原始地面遭剝蝕的程度,可以大致地估算最大主應力和中間主應力的量值和方向;在丘陵區和平原區,最大主應力的方向近於水平,並與附近區域性侵蝕盆地和河流的展布方向基本平行,根據原始地面遭剝蝕的程度,可以大致估算其最大主應力的量值;根據區域性地貌形態的特徵來分析工程區的現今地應力場特徵,並進而大致了解巖石的應力環境,這種分析方法得出的結論與許多實際的地應力測試成果基本一致,對于大型水電工程地下廠房和壓力隧洞的設計是有所幫助的。Two independent, tandem mounted, mechanical seals shall be provided in the oil filled housing to isolate and protect the air - filled motor from the pumped media
兩個獨立的、一前一後安裝的機械式密封應該配置在注油的殼體內,保護風冷電機不受泵吸介質的侵蝕。Cadium has been used particularly to electroplate steel where a film of cadmium only 0. 05 mm thick will provide complete protection against the sea
鎘被廣泛用於電鍍鋼鐵, 0 . 05毫米厚的鎘鍍層足以保護鋼鐵不受海水侵蝕。For example, frp reinforced concrete is used to support or surround magnetic resonance imaging ( mri ) medical equipment, and frp is also used for the constructions of some seawalls, industrial roof decks, base pads for electrical and reactor equipment, anchor in rock and ground engineering and concrete floor slabs in aggressive chemical environments in order to promote the wide usage of frp and frp reinforced concrete structures, financed cooperatively by nationa l natural science foundation ( item : the research on mechanical performance of frp reinforced concrete beam reinforced ; number : 59978046 ) and henan illustrious youth science foundation, connected with the analysis methods of modern steel reinforced concrete structure, the thesis further studies the flexural performance of frp reinforced concrete beam through the systematic study on experimental data got from this kind of beams, systematically establishes the theoretical calculating system of the flexural performance of frp reinforced concrete beam in cooperation with the up - to - date analytical methods for reinforced concrete, which suits the properties of frp
例如,纖維增強塑料筋應用於支撐和圍繞磁共振成像醫療設備的混凝土中及海堤、工業頂棚、電設備、反應設備的基座、巖土工程中的錨桿、侵蝕性環境的混凝土結構等海洋工程、橋梁工程、路面工程、巖土工程、醫療及化工工程的建設。為了推動纖維增強塑料筋及其混凝土結構在工程中的廣泛應用,本文在國家自然科學基金(項目名稱:纖維增強塑料筋混凝土梁力學性能的研究;編號: 59978046 )和河南省傑出青年基金的資助下,通過對纖維增強塑料筋混凝土梁正截面受彎性能試驗數據的系統分析,結合現代鋼筋混凝土結構學的分析方法,對纖維增強塑料筋混凝土梁正截面受彎性能進行了深入的研究,較系統的建立了適合於纖維增強塑料筋特點的纖維增強塑料筋混凝土梁正截面受彎性能的理論計算體系。According to the geological conditions and the corrosive medium composition of the shaft well , the damaging reason and the mechanism of the concrete attack in the intake shaft well of “ 635 ” project are analyzed , and the corrosion - prevention treating method for the shaft well concrete is presented
水利樞紐發電引水洞豎井段圍巖中,有黃鐵礦脈風化形成的黃鉀鐵礬化蝕變帶通過.經對豎井襯砌混凝土腐蝕破壞機理的分析后認為,必須採用有效的防腐材料,將混凝土與侵蝕介質隔離開來,對豎井混凝土進行防腐蝕處理Two independent, tandem mounted, mechanical seals shall be provided in the heat transfer fluid reservoir to isolate and protect the air - filled motor from the pumped media
兩個獨立的、一前一後安裝的機械式密封應該配置在熱傳導油貯存器的殼體內,保護風冷電機不受泵吸介質的侵蝕。They have excellent corrosion, thermal shock resistance and spalling resistance. they wide applications and can be used in key locations of thermal processing equipment such as bof, eaf, lf and so on. 2 alumina - magnesia - carbon brick made from high - purity bauxite or fused alumina and fused magnesia grain or high purity magnesia by pressing, resin - bond for thermal shock resistance
1 ,鎂碳磚是不燒的耐火材料,經過摩擦壓磚機的成型以及乾燥處理后而成,它的主要原料是電熔鎂,高純鎂砂和高純石墨,結合劑為樹脂,鎂碳磚有良好的耐侵蝕性,熱震穩定性和抗剝落性,它已經被廣泛地用在鋼廠的轉爐電爐鋼包精煉鋼包等關鍵部位。Electric furnace roof precast block is noted for high strength, good erosion resistance, steady quality, and long using time
電爐預製件具有強度高、熱震性能好、耐侵蝕、質量穩定和使用壽命長等特點。Located between shanghai and hangzhou, xiashi town, haining city, that is a famous place in the world for watching tide, with good transport facilities and favorable nature condition
產品分別具有無油自潤滑,耐蝕抗銹,抗酸堿鹽及氣體侵蝕,抗高溫底寒等一系列特性;廣泛用於石油、化工、電子、紡織、食品醫療、汽車、精密儀器、機床、紡織機械等領域。Under a constant applied load and sliding speed, the wear rate of cu - nanosized tib2 in - situ composites was increased with increasing the electric current. the predominant electric wear mechanisms of the cu - nanosized tib2 in - situ composites are abrasive wear and arc erosion
在一定載荷和滑動速度下,隨電流的增加, cu -納米tib2原位復合材料的磨損率增加, cu -納米tib2原位復合材料的電接觸滑動磨損機制主要為磨粒磨損和電侵蝕磨損。This paper classifies the soil and water conservation benefit of the project into water conservation benefit by forest and soil erosion reducing benefit
本文將小水電代燃料生態保護工程的水土保持效益分為兩類:一是保護森林,涵養水源的效益;二是減少土壤侵蝕的效益。Abstract : lining etching mechanism in smelting and main factors affecting lining life are expounded by dissecting low carbon fecr furnace lining and testing samples, and some brief views of prolonging lining life are also pointed out
文摘:通過微碳鉻鐵電爐爐襯的解剖和取樣檢測,論述了冶煉過程中爐襯的侵蝕機理及影響爐襯壽命的主要因素,並指出了延長爐襯壽命的幾點簡要看法。6. the durability of concrete structures resisting chloride diffusion in different water cement ratio and different contents of fly ash and silica was analyzed and durable life was predicted based on the results of the test, which will be helpful to preparation of high performance concrete ( hpc ) as well as durability design and assessment of concrete structures
系統地研究了低水膠比及摻加粉煤灰、硅灰的高性能混凝土的電滲透性和氯離子擴散系數,分析了水膠比以及粉煤灰和硅灰等活性集料對混凝土結構抵抗氯離子侵蝕的耐久性能的影響,並對高性能混凝土結構抗氯離子侵蝕的耐久壽命進行了預測,為氯鹽污染環境下高性能混凝土的配製以及混凝土結構耐久性評估與設計提供參考。A competition mechanism throughout the tunnel etching of aluminum foils is established in this study, namely, the competition between the attack to passive surface by aggressive anions and the passivation caused by passivators ; dissolution competition between side wall of tunnels and overall surface of foils. to demonstrate the competition mechanisms, the etching conditions influencing the morphology of tunnels, surface modification of foils, redemption and regeneration of passive state were investigated
本文在綜述了目前國內外鋁陽極箔發展和直流電侵蝕理論的基礎上,研究了鋁箔侵蝕過程中影響隧道孔形貌和比容的各種因素,揭示了貫穿于整個侵蝕過程的競爭規律,即蝕孔成核競爭? ?鋁箔表面的活化與鈍化競爭;溶解競爭? ?隧道孔孔壁的溶解與侵蝕箔表面的溶解競爭。分享友人