surface chemical reaction 中文意思是什麼
surface chemical reaction
解釋
表面化學反應-
Permeable durability reinforcing agent used for concrete surface is a material sealing surface of concrete, and it can permeate into inner of concrete and fill or block the pores of concrete surface with dry crystal or emulsoid generated by reaction between it and chemical compound in concrete
混凝土表面用滲透型耐久性增強劑是一種針對混凝土表面的滲透封閉型材料，其可滲入混凝土內部，並通過乾燥結晶或與混凝土內部相關物質反應生成乳膠體將混凝土表層的孔隙填充、堵塞，對已有混凝土結構的防護具有重要意義。 -
Analysis for the product hydration process of natural maintenance show tailings and quartz sand surface is advantage for the major influence of hydration outcome in jing pei generate " base role ", do not participate in chemical reaction basically, while steam temperature and pressure for hydration structure and form of low silicon - tailings aerocrete have obvious influence, it is why the compressive strength of two products have obvious difference
對自然養護的製品水化過程分析的研究表明，尾礦和石英砂表面對於水化產物的主要影響是利於晶胚生成的「基底作用」 ，基本不參與化學反應，而蒸壓溫度和壓力對低硅尾礦加氣混凝土水化產物的結構、形態有著明顯的影響，導致兩種製品的抗壓強度有明顯差別。 -
Sem results imply that the surface of thin films deposited by chemical bath method is correlate to the reaction conditions. surface of sns thin films deposited by chemical bath method are coarse than thin films deposited by chemical bath with ultrasonication method and successive ionic layer adsorption and reaction method
Sem結果顯示用常規化學浴方法所制備的薄膜樣品的表面形貌與反應條件有關，而用超聲波輔助化學浴和連續離子反應法制備的薄膜樣品的表面較之常規化學浴方法所得到的薄膜樣品表面晶粒細小均勻，緻密平整。 -
This is attribu ted to more surface hydroxyl groups on the surfaces containing calcium and phosphorus than tatinium surface and stong chemical reaction of calcium or phosphate on the surfaces with phosphate or calcium in the simulated biological environment
一方面是因這兩種表面都較無鈣、磷表面含有更多表面羥基：另一方面，則由於表面鈣或磷在模擬生理環境中與磷或鈣之問的化學作用。 -
We will mount the historical photographs on acid - free or low alkaline paper. then the photographs can be stored inside archival boxes which are acid - free or low alkaline. this can prevent the contamination of the surface of photographs by dirt particles and wrapping paper that may lead to the chemical reaction like oxidation, yellowing and colour fastness
部份藏品如歷史圖片及明信片更需要特別的保護，博物館會使用不含酸性或低鹼度的紙張及紙板裝裱歷史圖片，再存放于不含酸性或低鹼度的紙盒內，防止圖片上藥膜受到空氣及一般包裝紙的雜質污染而產生化學作用，如圖片氧化、變黃、退色等。 -
Meanwhile, fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained. function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits, and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off, but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits, and improve the surface quality of the deposits and the bath stability
闡述了鍍液中各組分的作用：絡合劑能有效地改變銅、錫的電位，促使初期的置換反應順利進行；還原劑能加快化學反應速度，對反應動力學有積極的促進作用；抗氧化劑能有效地防止鍍液中sn ~ （ 2 + ）的氧化；添加劑a能提高鍍液的穩定性，添加劑b對鍍層能有細化和光亮作用，擴大了鍍層光亮區的范圍；添加劑c作為平滑劑，不僅能增強鍍層表面的平整性，而且能提高鍍液的分散能力；表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題，提高了鍍層的表面質量和鍍液的穩定性。 -
The chemical properties of these surface differ considerably, particularly in their reaction to etchants.
這些不同的晶面，具有很不相同的化學性質，特別是對化學腐蝕劑的反應不一致。 -
The reaction kinetics of the sorbent with so2 was well described by the surface coverage model, which assumes that the sulfation rate is controlled by the chemical reaction on the sorbent grain surface and takes into account the surface covered by the product
吸收劑與二氧化硫的反應可用表面覆蓋模式很好地描述；該模式假設吸收劑晶粒表面之化學反應為速率控制步驟，並且考量被產物覆蓋的表面積。 -
Numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume
運用cfd進行數字模擬，以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要，熱煙氣流特性受火源位置的影響很大，並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好，也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明，在縱向通風隧道內，熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現，火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區 -
Abstract : numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume
文摘:運用cfd進行數字模擬，以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要，熱煙氣流特性受火源位置的影響很大，並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好，也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明，在縱向通風隧道內，熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現，火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區 -
For the special physical and chemical character of aluminum, a nickel layer is deposited before electroplating. it can avoid the active surface of aluminum oxidized again or substitution reaction in the bath
由於鋁特殊的物化性質，電鍍鎳鉻合金前採用預鍍鎳的工藝，避免活化后的鋁基體表面再次被氧化或在鍍液中發生置換反應。 -
A further family of fibre optic chemical sensors has either surface atached molecular recognition sites or a reaction chamber for achieving specific molecular detection
光纖化學傳感器還具有表面分子識別位點或化學反應部位，可用於特定分子的檢測。 -
In this paper, stable perylene and phthalocyanine monolayers were obtained through modifying silicon wafers by chemical reaction between organic macrocycle molecules and functional silicon surface. the surface morphology, aggregation and optical - electric properties of these monolayers were characterized by xps, ftir, uv - vis spectrum, afm, raman, xrd and surface photovoltaic spectrum
通過紅外光譜，紫外?可見光（ uv ? vis ）吸收， x光電子能譜，激光拉曼光譜，原子力顯微鏡（ afm ） ，表面光電壓譜等表徵手段研究了單層膜的表面形貌、聚集態結構和光電性能等等。 -
The experimental results indicate that the initial reaction rates of nano - nah are several orders of magnitude higher than those of the commercial one. the large specific surface area and the high surface energy of nano - nah should be the main factors for their extremely high chemical reactivity. with nano nah, many reactions can be carried out efficiently
實驗進一步說明，納米nah能使某些原來熱力學上允許進行但動力學上難以進行或"不能進行"的有關反應得以進行；使一些過去認為低收率無價值的反應，大幅度提高反應速率和產率，使其成為有實際意義的反應。 -
Usually, the hpv virus through is attaching has the chemical reaction to the cell surface and with these cell surface proteins to be able to attack the cell
通常， hpv病毒通過附著到細胞表面並與這些細胞表面蛋白發生化學反應得以攻擊細胞。
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