表面偏析 的英文怎麼說

中文拼音 [biǎomiànpiān]
表面偏析 英文
surface segregation
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ形容詞1 (不正; 歪斜) inclined to one side; slanting; leaning 2 (只側重一面) partial; prejudi...
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g

    本論文的主要成果包括以下幾個方: ( 1 )採用xrd 、 sem 、 bet 、激光粒度分儀等多種測試手段,探明了以硅灰,超細磨粒化高爐礦渣,優質粉煤灰及高嶺土超細粉等4種超細礦物功能材料的組成、結構、粒度分佈、比積等基本性質;從理論上分了礦物功能材料在混凝土中的4種效應,即火山灰效應、填充密實效應、微集料效應、吸附效應,並由此發揮出增塑、溫峰削減(降熱) ,增強及耐久性改善等作用;通過相關理論分,推導出礦物功能材料的合理粒徑范圍在5 m 15 m ,即勃氏比積為4500cm ~ 2 g 7500cm ~ 2 g 。
  2. Integrating tynman system with polarized system together, the laser interferometer is compatible for the surface with different reflectance. first, on the basis of synthesizing different interferometric microscope, the author introduced a kind of lase interferometer combining polarized interferometry and real - time phase detection algorithms. first, a kind of optical configuration is introduced, which is realized in the above interferometer

    本文在分了國內外不同干涉顯微系統的基礎上,根據干涉顯微測量方的需求提出了採用振干涉和條紋掃描方式實時檢測波位相的激光干涉顯微系統,提出了一種可用於微觀輪廓及粗糙度參數測量的光學顯微干涉系統的光路,然後介紹了條紋掃描波位相實時檢測技術以及四步移相法,並在此基礎上完成了光學系統及相關的機械結構。
  3. During the procedure of system design and implementation, the author has made some innovative efforts such as : ( d establishing the user interest orientated model, the model receiving user interests continuously and conjecturing user interests by interaction with the user, accumulating user preferences in information demand, thereby achieving self - adaptive retrieval, ? roviding a feedback method which is based on the human - machine interaction, summarizing the user operations on the interface of result presentation, and designing an algorithm for capturing user operation behaviors, by which the changes in user interests and preferences can be learned potentially, ? ffering a method for user interest mining which can extract subjects of information confirmed by user, thereby conjecturing or predicting different kinds of expressions of the same interest or extracting the new interests or unexpressed interests, ? roposing a solution of personalized internet information retrieval based on the user interests in accordance with the above - mentioned work, the solution having very strong feasibility and practicality with taking user interest model as center, employing machine learning ( active learning and passive learning ) and data mining as tools, and being assisted with network robot,

    Piirs系統分與設計過程中所做的創新性的嘗試主要有以下幾個方:實現了基於用戶興趣的用戶模型,該模型通過與用戶的交互(主動交互和被動交互) ,不斷地接收用戶的興趣和推測用戶的興趣,積累用戶信息需求的好,實現自適應的檢索;提供了一種基於人機交互的反饋方法,對用戶在結果呈現界上的操作進行了歸納總結,設計了用戶操作捕獲演算法, 「隱性地」學習用戶興趣和好的變化;提供了一種用戶需求挖掘的方法,對用戶已確定的信息做進一步的主題挖掘,由此推測或預測用戶同一興趣的不同述方式或者挖掘出用戶新的或未達出來的興趣;在上述工作基礎上提出了一套完整的基於用戶興趣的個性化網路信息檢索的解決方案,該方案以用戶興趣模型為中心,以機器學習(主動學習和被動學習)和數據挖掘為手段,輔以網路機器人,具有很強的可行性和實用性。
  4. We believe the fine mechanical properties of tubular film are related to its fine chain orientation structure by using pole figure investigation and polarized fourier transform infrared ( ftir ) spectra analysis, the modes of orientation for flat and tubular films are obtained. it was found that the cellulose chains of the flat and tubular films have an uniplanar orientation mode with respect to the film surface

    通過x衍射織構(極圖)分振紅外光譜分建立了平膜和管膜的取向模型:平膜和管膜都有單平取向;平膜中的分子鏈在膜內呈無規取向:管膜中的分子鏈則相對于拉伸方向有明顯擇優取向。
  5. For example, on the survey report of wu yi civic square of changsha, we can draw the following conclusion : the square lacks arbors. it looks like the ignorance of the designer, but through analysing carefully, in fact, the technology of planting on the artificial ground and construction " s roof is inadequate. another example, the behavior and psychological characteristics of people in the open space of city, which are often ignored by the designer, and are very important in creating two kinds of basic behavior space : facility for rest and space for walking

    本文著重對休閑廣場設計中的難點問題作了闡述,例如立體綠化中的技術問題,通過調查報告,可以得出長沙市五一市民廣場綠化中大樹少的結論,從看似乎是設計師的問題,但通過仔細分,實際上還是立體種植的技術手段跟不上;又如城市公共空間中人的行為心理特徵,這是目前設計實踐中容易忽視的問題。
  6. The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine

    用sem徵原料微觀結構、摩擦及潤滑轉移膜形貌:用xrd進行原料物相分,及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度;用dsc - tg分純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性;用xps徵碳纖維、固體潤滑劑摩擦前後、潤滑轉移膜的元素組成、價態變化;用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試;採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定;用萊次光顯微鏡( pm )測試固體潤滑劑的硬度;用材料試驗機測試固體潤滑劑的抗壓強度等。
  7. Varieties of dynamic intensity factors in the crack - tip field, extensions of cracks going through the joint planes for different distances between hole and joint were analyzed especially under the condition that the initial cracks and joint planes had different separation angles

    實驗結果分明,爆生裂紋穿過節理時,裂紋尖端的動態強度因子和裂紋擴展速度顯著下降,穿過節理后,強度因子又增強;裂紋穿過節理時,裂紋會沿節理離一段距離后沿原方向繼續擴展。
  8. Fourth, the advanced surface analysis technique - x ray photoelectron spectrum is employed to study the adsorption of soluble - starch on the pvdf membrane. then we test by using xps combined with sem the original sample, the fouled sample and the washed sample with rubber sponge balls

    第四,採用x射線光電子能譜( xps )技術分了可溶性澱粉在聚氟乙烯膜的吸附,並將xps技術與電子顯微鏡技術相結合,對原始樣品、污染樣品和海綿橡膠球清洗樣品進行了測試和分
  9. In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research

    因此,為提高原始電壓信號的質量,本文採用三相六元件的信號發生方案,通過差分處理濾除了由於裝配差和零點漂移帶來的信號誤差;本文對編碼器信號發生結構進行了磁場分,依據磁場分的結論對編碼器常用的信號發生結構進行了改進,改進后的結構利用積分原理在理論上能夠完全消除信號中由磁鋼環粗糙度引起的信號噪聲,進一步提高了信號質量,此結構不僅滿足了本課題的需要,而且為今後研製超高精度的磁電式編碼器奠定了理論基礎。
  10. Abstract : the crystal structures obtained by static solidification and vibration solidification were compared. it was showed that, in the case of vibration solidification, the orientation growth of the columnar crystal was not obvious, the equiaxial crystal appeared more early. the grains of both types of crystals were quite fine, hardness in the full section was relatively high, and the hardness distribution was uniform. in the former case, the solute segregation in dendritical austenite more severe, and there were lumps of distortion inclusion

    文摘:對球鐵金屬型靜凝固與振動凝固的結晶組織對比明:後者柱狀晶方向性生長較弱,等軸晶出現較早,且兩者的晶粒均較細,全斷硬度較高且分佈均勻;前者枝晶奧氏體內溶質大,有畸變夾雜團塊。
  11. There are distinct changes about shifts or intensity in bulk plasmon, surface plasmon, and interband electron transitions losses as a result of oxidation of specimens, and adsorption and oxidation processes can be studied through these changes. at room temperature, the formation of oxide layers on uranium and uranium - niobium alloys were found to occur rapidly upon exposure to oxygen, and the resultant oxide in each case was near - stoichiometric uo2. due to formation of niobium oxide in uranium - niobium alloys, the diffusion of o ~ ( - ) ( o ~ ( 2 - ) ) and u ~ ( 4 + ) in the interface region was prevented, and the corrosion resistance of uranium - niobium alloys to oxygen is greatly enhanced by alloying with niobium

    研究結果明:清潔鈮和鈾的體等離子體振蕩所造成的電子能量損失的實驗值與理論計算值較為符合;隨著氧化程度的加劇,等離子體( sp ) 、體等離子體( bp )以及價帶電子躍遷所造成電子能量損失的譜峰發生了明顯的連續移或強度的變化,這些變化可以用來分鈾及鈾鈮合金的初始氧化過程;室溫下,鈾及鈾鈮合金很容易與氧作用,最終結果,鈾僅氧化為二氧化鈾,另外,在鈾鈮合金氧化過程中,因為有鈮的氧化物存在,不利於氧和鈾在界擴散,增強了鈾鈮合金抗氧化性能; eels能獲得樣品的信息比aes更為,更為靈敏,但由於eels的譜線過于集中,主要在幾十ev以內,也有不容易區別和解譜的不足。
  12. The results were summarized as follows : ( 1 ) diamond - like carbon films could be fabricated by plasma source ion implantation ; it was found that different parameters such as the negative voltage, frequency, gas flux influenced sp3 bond ratio of dlcs, the paper described the effect in details and showed that diamond - like carbon films with increasing negative voltage, reducing frequency, appropriate gas flux got high proportion of sp3 bond ; dlcs prepared by psii contained a good deal of sic, the composition affected its properties ( such as the films hardness ) ; psii method could offer good adhesion to dlcs, but it caused the surface morphology to become asperity

    研究結果明: ( 1 )用全方位離子注入技術能夠制備出類金剛石膜。在全方位離子注入技術中,不同的壓、頻率、氣體流量都對薄膜中sp ~ 3鍵比例有所影響,文中對具體的影響進行了分,發現壓增加、頻率降低和適中的氣體流量可以制備出含sp ~ 3鍵較多的類金剛石膜;同時發現用全方位離子注入技術制備的類金剛石膜含有大量的sic成份,這對薄膜的性能(例如硬度)影響很大;用全方位離子注入制備的薄膜其結合力得到增強,但薄膜的形貌差。
  13. The product can be used in plastics, varnishes, enamel, cosmetics, textiles, printings, etc. the laboratory experiments were made on the hydrolysis of ticl4 solutions and deposition films of titanium hydroxides and oxyhydroxides onto the mica powder. and mainly studied the structure transformation of hydrolysis and deposition of the ticl4 solutions and the dehydrolysis of the titanium hydroxides and oxyhydroxides under the sinter processing. exclude mica powder, the specifically hydrolysis and deposition of some other metal salt such as fecl3 solutions and the dehydrolysis of the metal hydroxides and oxyhydroxides under the hydrothermal processing were also studied

    本實驗採用金屬鹽水解沉澱法,在雲母粉鍍覆tio _ 2 、 fe _ 2o _ 3 、 cr _ 2o _ 3 、 co _ 2o _ 3等不同的系列金屬氧化物薄膜,通過實驗室和中間試驗研究了雲母珠光顏料的全部製作過程,並重點研究分了鍍膜過程中鈦酸沉澱物自ticl _ 4溶液中水解出的結構變化過程以及焙燒過程中氫(羥)氧化鈦縮合脫水生成氧化鈦的結構變化過程。
  14. The agriculture education department and agriculture science - research institution were short of effective connection. then, we studied importantly mutual adapt problem on agricultural sci & tech extension and upgrade of farmer ' s literacy. finally, we advanced relevant policy and suggestions on the basis of the problems and modern agricultural new demands

    通過問卷調查,全了其現狀及存在的問題,主要現為:農業科技投入不足;農業科技成果的有效供應不足;政府對農業科技推廣組織力度小;農民綜合素質低;農民素質教育內容單一;農業教育與科研推廣部門缺乏有效協調等。
  15. It emphasised the application of la - icp - ms in bulk analsysis and micro - zone analysis such as depth analysis, inclusion analysis and segregation analysis in metallurgical materials

    著重介紹了整體分和深度分夾雜物分等微區分的應用進展情況。
  16. Analysis th to mechanism ellipse polarized light that in the specimen faced happen at the same time reflection refraction and multiplicity light beam interference, proves the principle that laser instrument of measure thickness of specimen with jones vector

    摘要對橢圓振光在樣品產生的反射、折射和多光束干涉的機制進行了分,並用瓊斯矢量論證了激光測厚儀的原理。
  17. The infrared results showed that the ir characteristic value l080cm - lof cubic crystal sio, and the absorption peak 460cm - l of mgf, caused by the interaction between f - - mg ' + - p elastic vibration and photon radiation, appeared in the ir spectra. ellipsometric analysis showed that the typical absorption peaks 58lnm, 589nm and 606nm, resulting from the surface plasma resonance of cu panicles and reflecting the absorption on composite film system, appeared in the extinction coefficient k curves of cu ( voll5 % ) mgf, cu ( vol20 % ) mgf, and cu ( vol30 % ) mgf, cermet films, respectively. with the component of cu increasing, the peak site presented red shift, which was in accordance to the results of ultraviolet - visible spectra

    測試分明: cu ( vol15 ) mgf _ 2 、 cu ( vol20 ) mgf _ 2和cu ( vol30 ) mgf _ 2樣品的消光系數k曲線中出現了反映復合金屬陶瓷體系吸收的由cu金屬顆粒等離子體共振引起的吸收峰,峰位分別為581nm 、 589nm和606nm ,呈現紅移,這些與紫外-可見光譜測試結果相一致;此外, cu - mgf _ 2復合納米金屬陶瓷薄膜光學常數的實驗值與考慮尺寸效應修正過的mg理論值總體上符合得很好。
  18. In this thesis we have expatiated on the methods of the c60 thin films preparation, and the process with vacuum evaporation. the effect, which was caused by different gas pressures and other element doped, on surface morphology, structure and optical properties of c60 films have been studied by using scanning electron microscopy ( sem ), ultraviolet visible optical absorption spectroscopy ( uv / vis ) ( type : uv - 240 ), ellipsometer and x - ray diffraction

    本論文闡述了用真空蒸鍍法制備c60薄膜的方法和過程,研究了在不同氣氛下生長和摻雜對c60薄膜的形貌、結構和光吸收特性的影響;用xl30fge型掃描電鏡對c60薄膜形貌進行觀察;用uv - 240型紫外可見光雙光束分光光度計進行紫外、可見光吸收測量;用橢儀對薄膜進行厚度和折射率測量;用x射線衍射對薄膜結構進行分
  19. The sense of this work is to gain a further understanding of helium in the two metals. on the diffusion of helium - 3 in two spherical shell samples made of 21 - 6 - 9 type of stainless steel, during the storage of tritium at the pressure of 6. 13mpa for about 4 and 6 years at room temperature and later exposed to air for another 3 and 1 year. first, a calculation based on the analytical and numerical method to the diffusion and decay theories was developed to evaluate the concentration distribution of helium - 3 by tritium diffusion and decay in the samples

    在不銹鋼氚衰變~ 3he的擴散行為研究中,建立了氚和~ 3he濃度分佈的解解和數值計算方法,以評估充氚不銹鋼球形容器壁中氚衰變~ 3he的宏觀濃度分佈,同時還用數值計算方法以求解氚和~ 3he的多步擴散行為;對樣品逐層蝕刻、同時收集釋放的~ 3he進行分,分別實測了經室溫條件下在6 . 13mpa高壓氚中貯存4年和6年、空氣中存放3年和1年的兩種21 - 6 - 9不銹鋼球殼樣品內壁中~ 3he濃度分佈;結果明:由於he在金屬中的不可容性, he原子聚于不銹鋼以及內部的局部區域,在整體趨勢上, ~ 3he分佈與計算結果相一致,根據理論計算,兩種21 - 6 - 9不銹鋼球殼樣品內壁中~ 3he到達的深度分別為350 m及500 m 。
  20. When surface temperatures of uranium and uranium - niobium alloys increase higher than 573k, heating was observed to deplete surface oxygen by accelerating its transport into the bulk and separate carbon out to their surface. so there were uranium carbide formed on the surface and thicker layer of uo _ ( 2 ) formed in the bulk. with surface temperature increasing, the o / u ratio dropped sharply as the surface oxygen diffused into the bulk

    當溫度高於573k時,溫度增強了鈾及其合金上的氧的解吸和向體內擴散,以及促使體內的碳向,導致在鈾及其合金上形成了鈾碳化合物,並在體內出現富二氧化鈾層,隨著溫度的升高,上的氧和鈾原子的比值降低,鈾碳化合物含量增加,體內的富二氧化鈾層加厚。
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