銹蝕作用 的英文怎麼說
中文拼音 [shízuòyòng]
銹蝕作用
英文
action of rust-
Concrete protect the steel against corrasion, for it provide the alkaline condition. carbonization is a key factor that makes alkalescence of concrete decrease, the high performance concrete is applied in engineering field increasingly with its good carbonization capability
混凝土對鋼筋的保護作用是由於其提供了避免鋼筋產生銹蝕的堿性環境,而碳化作用是使混凝土堿性降低的重要因素之一。It is used for pressure and vacuum of ammoniac liquid and gas as well as of zhe madia which can ' t corrode carbon steel, stainless steel and solders like tin and lead
儀表適用於測量氨的液體和氣體的壓力真空,也可測量對碳鋼、奧氏體不銹鋼和錫鉛類焊料無腐蝕作用的介質的壓力和真空。A study on the mechanism of localized corrosionof stainless steel by tungstate
鎢酸根對不銹鋼局部腐蝕的作用Through the dry and wet cycling experiment on unmarred beam and pre - cracked beam, the position of initial corrosion and influence of crack on the reinforcing bar corrosion are studied in this paper both the flexural bearing capacity performance and the material mechanical performance of the beams are studied on the test of full scale concrete beam a model of 3d fem is established to simulate the state of the actual full - sized rc beam and electronic accelerating test beams, computational results and test results are compared
通過對混凝土梁的干濕循環試驗,研究了在混凝土梁中的鋼筋初始銹蝕情況,以及不同寬度的裂縫對于鋼筋初始銹蝕的影響。通過對足尺銹蝕混凝土梁的試驗,研究了混凝土梁在海洋環境侵蝕作用下的材料性能的變化和抗彎承載能力的變化。It has low power and can defrost or heat in the refrigerator and expositing cabinet. both the ends of the heater adopt the imported resin glue and vulcanizate for seal ment and high ni - cr stainless steel as the case. it has good corrosive resisting performance and the insulation resistance is still more than 1000 after immersing in the water and being electrified for a long time
本加熱器的特點為表面功率較小,在冰箱,展示櫃中起加熱化霜作用。電熱管兩端採用進口樹脂膠及硫化橡膠封口,外殼採用高鎳鉻不銹鋼,具有很好的耐腐蝕性能產品經長時間浸入水中通電試驗,其絕緣電阻仍1000m 。This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway
負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異,因此表現為比普通混凝土更為較高的耐久性要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線,通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ;並在此基礎上配製不同等級負溫高性能混凝土,開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究;通過對fd - 1組分和摻量的調整,優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。As rust converter / anticorrosive in ballast tanks, bilges, cofferdams etc
因其銹蝕轉化/抑制作用,適用於壓載水倉、底倉、圍堰等。Ellipsometric study on inhibition of propargyl alcohol f or 1cr18ni9ti stainless steel in hydrochloric acid solution
橢圓偏振技術研究鹽酸介質中丙炔醇對不銹鋼的緩蝕作用This paper presents an analysis method of mechanical behavior of aged concrete structures on elastic theory, and analyses the main causes of load bearing performance of concrete structures. the paper also illustrates some studies where structures exposed to the marine environment showed early deterioration and analyses the main causes of structural concrete deterioration, including concrete carbonization, corrosion mechanisms of concrete, and mechanisms of steel corrosion due to the penetration of chloride ions into the concrete. it shows that corrosion of the reinforcements is the main cause of structural concrete deterioration
本論文提出老化混凝土板的分層彈性理論,對混凝土結構的承載能力的影響進行分析;對浙江沿海混凝土結構及其構件的抗彎、抗剪、粘結性能以及結構的動力性能進行分析研究;提出了影響沿海混凝土結構耐久性的主要因素一混凝土的碳化作用,堿骨料反應,混凝土的腐蝕機理以及鋼筋混凝土中鋼筋銹蝕的影響因素。Based on the current research achievements on durability under chloride environment, probability theory, structural reliability theory, concrete structures theory, neural network theory and structure dynamic theory are employed comprehensively in this dissertation. some problems of durability of reinforced concrete structures under chloride environment were studied through the exploitation of experimental data, the rule of chloride ingress and steel bar corrosion, the performance of corroded member, and residual life prediction. the main issues and results in this dissertation are as follows : 1 、 the probability method for the prediction of durable life based on the stipulated reliability index for concrete structures under chloride environment is presented in this dissertation
本論文在國內外對氯離子侵蝕環境下混凝土結構耐久性研究成果的基礎上,綜合運用概率理論、結構可靠性理論、混凝土結構理論、神經網路理論、結構動力學理論等基本理論和方法,結合實際檢測數據,按照氯離子侵蝕、鋼筋銹蝕、銹蝕構件性能、銹蝕構件壽命預測的思路對氯離子侵蝕環境下鋼筋混凝土結構耐久壽命預測的有關問題進行了深入系統地研究,完成以下主要研究工作並取得相應成果: 1 、提出了氯離子侵蝕下基於規定可靠指標的混凝土結構耐久壽命的概率計算方法。In fact, it can be used without painting the bare metal because it does not rust or corrode like steel frames or aluminum exposed to rock salt. this means you never have to worry about your titanium frame falling apart due to exposure to the weather. the ti 3 - 2. 5 tubing is the high strength material used in the most advanced aerospace applications
鈦合金具有極好的抗腐蝕性能,事實上,作為自行車架的使用,它的表面不需要塗漆保護,因為它不會象鐵和鋁車架那樣生銹或腐蝕,並耐酸雨紫外線潮濕等的侵蝕,所以你不必擔心其金屬表面會因裸露在空氣中形成凹陷銹蝕。Single spiral crowed syrup machine is applicable to the dehydration that warious low density syrup anticipate and dredge - solve, according to the pulp consistency pass pneumatic equipments to adjust the syrupcrowede pressure, the adaptability is strong ; the spiral stalk and tube of sieves are made of the stainless steel, corrosion - resistant and durable ; operate conveniently, break down the rate low, produce to have great capacity, maintain the expenses low, the best kit equipments that is high and thick to whet
描述:本機適用於各種低濃度漿料的脫水和疏解,可根據漿料濃度通過氣動裝置調整擠漿壓力,適應性強;螺旋軸及篩筒均用不銹鋼製成,耐蝕耐用;操作簡單,故障率低,生產量大,維修費用低,是高濃磨的最佳配套設備。According to the geometrical characteristics of the surface on the deformed bars, considering the interfacial properties of the corrosion reinforcement and concrete, such as the microscopic mechanics model of corroded reinforcement ribs, the deterioration of ribs on the bearing surface of the deformed bars after corrosion and the effect of corrosion products of corrosion reinforced bar on the bond strength, and analyzing the distribution and interaction of the forces on the surface of the corrosion reinforcement and concrete, the calculation expressions of the bond strength between corroded deformed bars and concrete with and without transverse steel are established
從變形鋼筋的表面幾何特徵出發,考慮了鋼筋銹蝕后鋼筋與混凝土接觸面的特徵,例如鋼筋橫肋在銹蝕狀態下的細觀力學模型,鋼筋銹蝕后鋼筋橫肋高度的變化和銹蝕產物的生成對粘結力的影響。通過分析接觸面上各種力的分佈形式及相互關系,建立了有橫向鋼筋和無橫向鋼筋約束作用下,鋼筋與混凝土之間粘結力的計算表達式,且與相關文獻的結果進行了比較。The boundary of ferrite has been clarified and fined by adding re into crsomo. the intergranular corrosion induced by solution chromium decreasing can be restrained for nb, v, ti combing carbon in the steel. the wear resistance of stainless steel can be increased for the precipitation of microalloyed carbides
其中,稀土能夠凈化鐵索體晶界,並起到變質劑的作用,細化鐵素體晶粒,改善不銹鋼的韌性;鈮、釩、鈦能夠與鋼中的碳結合,減少固溶鉻的損失,從而避免晶間腐蝕,同時細小微合金碳化物的沉澱析出可提高不銹鋼的耐磨性。Based on the test data of the crc beams taken from some chemical plants, which were mainly corroded by chloride, a calculation model was derived to calculate the ultimate load bearing capacity of such crc beams. then, bp nn model was built up to predict the ultimate load bearing capacity of crc beams. using such nn model to analyze many groups of test data ( under various corrosion cases ), satisfactory results are achieved
基於目前較少開展的實際腐蝕環境下鋼筋混凝土構件受力性能的試驗研究,通過引入受腐蝕混凝土和銹蝕鋼筋的損傷因子導出了受氯離子腐蝕鋼筋混凝土構件極限承載力計算模型;建立了bp神經網路模型對受腐蝕鋼筋混凝土梁承載力進行了預測,通過對多組國外試驗研究結果(不同腐蝕作用情況下)的分析均取得了令人滿意的預測結果,並且隨著試驗資料的積累,預測效果可以得到進一步的改善;因此,本文建立的神經網路模型對受腐蝕鋼筋混凝土構件承載力研究是一種十分有效的方法,具有較好的應用前景。Thereafter, the fractal dimension value of cracks distribution was presented as an effective index to appraise the corrosion level. relations between fractal dimension and rebar corrosion ratio, concrete deterioration factor and strength of the member were studied respectively. fractal nn model was also built up to predict the ultimate load bearing capacity of crc members obtained from the field corroded structures, good results are achieved, which could provide an applicable method to evaluate the durability of crc members
揭示出受腐蝕鋼筋混凝土構件在荷載作用下表面裂縫分佈服從統計意義上的分形,並對其進行了分形描述;提出以裂縫分形維數作為受腐蝕程度的有效衡量指標,首次實現了構件受腐蝕程度的定量描述;建立了裂縫分形維數與鋼筋銹蝕率、混凝土劣化系數、構件承載力之間的定量關系,並建立了分形神經網路模型對實際受腐蝕鋼筋混凝土構件進行了極限承載力的預測,取得了較好的預測效果。Standard test method to determine color change and staining caused by aircraft maintenance chemicals upon aircraft cabin interior hard surfaces
測定由於飛行器維修試劑作用於飛行器座艙內部硬表面上而引起的顏色變化和銹蝕的標準試驗方法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 gauge can be used in measure and it also can be used in measuring the pressure and uacuum of the service medium of the carbon steel stainless steel and solders like tin. lead without corroddent function
氨氣壓力表適用測量氨的液體和氣體正負壓力,亦可測量對碳鋼、奧氏體不銹鋼、錫鉛類焊料無腐蝕作用介質的正負壓力。Due to various corrosive effects, reinforced concrete structures in corrosive environments had shown serious deterioration, which usually caused by concrete deterioration, rebar corrosion, degradation of bond strength between rebar and concrete
腐蝕環境下服役的鋼筋混凝土結構由於長期受到腐蝕作用,造成混凝土性能劣化、鋼筋銹蝕、鋼筋與混凝土之間粘結退化,導致鋼筋混凝土結構耐久性降低而提前發生破壞。分享友人