corrosion value 中文意思是什麼
corrosion value
解釋
腐蝕級-
The prescription of the inhibiter after optimization has good effectiveness, making the corrosion rate of steel no. 10 to be far smaller than the allowable value stipulated in the standard of power industry
經優化的配方緩蝕效果良好，可使20號鋼的腐蝕速率遠遠小於電力行業標準允許值。 -
Corrosion behavior of carbon steel in high - ph value uranyl nitrate solution
值的硝酸鈾酰溶液中碳鋼腐蝕與沉積膜的特性 -
The corrosion potential was the biggest and the corrosion current was the smallest one when the concentration of super - 3900 was 0. 5 % ; the corrosion potential was increased with the addition of mps - dl, but the smallest corrosion current is under 0. 01 % mps - dl. the rust time was the longest one when the concentration of super - 3900 was 0. 5 % as well as mps - dl was 0. 01 %. it was increased as a peak curve with al2o3 concentration in plating solution and ph value increased gradually with cathodic current density ; the corrosion weight
通過測量tafel曲線可知，在super - 3900濃度為0 . 5 % （相對于鍍液的體積百分含量）時獲得的鍍層腐蝕電位最正，腐蝕電流密度最小;隨著鍍液中mps - dl含量的增加，獲得的鍍層的腐蝕電位逐漸正移，在濃度為0 . 01 % （相對于鍍液的體積百分含量）時腐蝕電流密度最小。 -
Thus, the conclusion is drawn : when the diffusion coefficient of cf is invariable and the diffusion time is under a certain range, the beginning corrosion time of the steel in the corner of the rectangular section is independent of the size of rectangular section ; ( 4 ) through the numerical value calculation of rectangular section, the law is found of the influence on modifying coefficient of rectangular section of the thickness of protection layer of concrete and diameter of the steel and the thickness of cf on the surface of concrete, based on which practical calculating method of beginning corrosion time of the steel in the corner of rectangular section is set up
從而得到結論：在氯離子擴散系數一定的情況下，在一定時間范圍內，矩形截面邊角區域鋼筋的初始銹蝕時間不依賴于矩形截面的截面尺寸； （ 4 ）通過矩形截面邊角區域鋼筋初始銹蝕時間的計算，分析了保護層厚度、鋼筋直徑、混凝土表面氯離子濃度對修正系數的影響，並在此基礎上建立了氯離子侵蝕下矩形截面邊角區域鋼筋初始銹蝕時間的實用計算方法。 -
Many factors regarding the modifying coefficients of circular and rectangular section are analyzed : ( 1 ) it is theoretically proved that the diffusion coefficient of cl - in concrete is dependent of modifying coefficients ; ( 2 ) through analysis of the results of numerical value calculation, it is discovered that the relation between the modifying coefficients and the thickness of protection layer of concrete is linear, from which the function expression of these two variables is gain ; at the same time, the influence on modifying coefficient of the radius of circular section and the thickness of cl - on the surface of concrete ; based on these, practical calculating method of beginning corrosion time of steel of circular section is set up ; ( 3 ) to rectangular section, the diffusion of cf in concrete is two - dimension diffusion
討論了影響矩形截面以及圓形截面修正系數的因素： （ 1 ）從理論上證明了氯離子在混凝土中的擴散系數與修正系數無關； （ 2 ）通過圓形截面數值計算結果的分析，發現圓形截面修正系數與保護層厚度基本成線性關系，並建立了二者之間的聯系；分析了圓形截面半徑、混凝土表面氯離子濃度對修正系數的影響，從而建立了圓形截面鋼筋初始銹蝕時間的實用計算方法； （ 3 ）在矩形截面氯離子侵蝕下，混凝土處於二維擴散狀態。本文通過計算分析，證明二維擴散的影響區域從邊角開始向中間逐步擴散，並證明了二維擴散影響區域依賴于氯離子擴散系數與氯離子擴散時間的乘積。 -
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。 -
A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size. in anodic polarization test ( sweeing and stair - steps ), the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size. fegsem images showed the grain growth and pitting corrosion of the nc copper surface, uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces
在陽極極化實驗（包括掃描法和臺階法）中，致鈍電流雖晶粒尺寸減小而增大，而致鈍電位和擊穿電位都隨著晶粒細化而降低。 fegsem照片發現了納米晶銅的晶粒長大和孔蝕，微米晶銅表面的均勻腐蝕，和兩種銅表面破碎的鈍化膜。 -
Because of the place obstruction of corrosion products in the surface of the alloys, while corrosion time is at 120 minutes above, the corrosion rate descends to the stable value in 48 hours
當腐蝕浸泡的時間大於120分鐘后，腐蝕產物在鋁合金表面產生了明顯的位阻作用，從而使腐蝕速率逐漸下降，直至48小時后，腐蝕速率趨於一相對穩定的數值。 -
Electrochemical tests show that the longer time is, the higher natural corrosion potential of the bare metal is. if corrosion time is long enough, the potential will go to a stable value
實驗結果顯示，新鮮金屬的自腐蝕電位隨時間的增加而逐漸增大，如果時間足夠長，自腐蝕電位將趨于穩定的數值。 -
Compared to bare steel strand, galvanized steel strand ’ s anti - corrosion is worse in 3 % nacl solution. 3. the result of corrosion research in different ph value simulation acid rain show that bare steel strand has a low corrosion rate at ph = 4, corrosion rate at ph = 2 and ph = 6 is larger ; epoxy coating steel strand ’ s corrosion current intensity decrease with ph value ’ s minish ; reverse to epoxy coating steel strand, galvanized steel
3 、模擬酸雨中腐蝕研究結果表明，在不同ph值的模擬酸雨中，全裸鋼絞在ph = 4時腐蝕最慢， ph = 2時腐蝕最快， ph = 6時腐蝕速度居中;環氧鋼絞線腐蝕電流密度隨ph值的減小而減小;鍍鋅鋼絞與環氧鋼絞線剛好相反，腐蝕電流密度隨ph值的減小而增加， ph值越小，腐蝕電流密度越大，越容易遭受腐蝕。 -
The hardness and corrosion resistance were evaluated by, the anticorrosion mechanism was also discussed by xps as well. the composited content of particles in coating was high when 0. 5 % super - 3900 was added into al2o3 suspention before plating the composited content increased with the increase of al2o3 concentration in plating solution and the time of stirring before plating and increased as a peak curve with plating temperature, cathodic current density and ph value
超分散劑super - 3900加入量為0 . 5 % ，對al2o3懸浮液分散后加入時，獲得的鍍層復合al2o3含量高，並隨著鍍液中al2o3含量、鍍前攪拌時間增加而增加，鍍層中al2o3含量隨著施鍍溫度、陰極電流密度、 ph值的增加呈先增加后減少的變化。 -
Statistics analysis shows that, the maximal corrosion depth on steel pressure vessels and pipelines is subject to - type max value distribution, and the corrosion fatigue life belongs to - type minimal value distribution
摘要在已有研究成果的基礎上，藉助數理統計方法，分析認為介質及環境對鋼制壓力容器與壓力管道的最大腐蝕深度符合型極大值分佈，耐腐蝕壽命屬于型極小值分佈。 -
In this paper, the filiform corrosion images of aa6016 - t4 aluminum alloy beneath an epoxy coating were detected and picked out from the image background with digital image processing technique, and some parameters such as corrosion area density, corrosion propagating speed, and projective value of filiform corrosion vertical to the scratch, were calculated from the processed filiform corrosion image, which were probed to evaluate the propagating status of filiform corrosion effectively and reasonably
摘要運用數字圖像處理技術檢測、提取了塗覆環氧樹脂的aa6016鋁合金絲狀腐蝕圖像，分析探討了由絲狀腐蝕圖像所得到的腐蝕面積密度、腐蝕擴展速度以及垂直於切口方向投影值等參數對評估絲狀腐蝕發展狀況的有效性及合理性。
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