phase precipitation 中文意思是什麼

phase precipitation 解釋
相析出
  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  • precipitation : n. 1. 猛然摔下，落下。2. 猛沖；急躁，輕率，魯莽。3. 【化學】沉澱（作用）；降雨（量）；（雨、雪等的）降落。
  1. Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation

    為解釋微合金化50crv鋼強韌化機理，本文通過對不同淬火溫度，回火溫度，回火時間下的力學性能指標的對比及顯微分析，認為微合金元素的細化晶粒，馬氏體的回火分解，殘余奧氏體的轉變，第二相的沉澱析出共同決定了微合金鋼的強韌化情況，特別是由於微合金元素的存在，其細化晶粒及其碳氮化物的沉澱析出，導致鋼的良好的強韌性，並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化效應，會在硬度曲線中產生明顯的二次硬化現象。
  2. Studies showed that process and condition control had critical effect on the preparation of yig phase, and the proper conditions specialized as follows : using ammonia - ammonium nitrate ( nh3 - nh4no3 ) as precipitant, ph scope from 10 to 10. 5, using dissolving salt as law materials, dropping their mixed solution into precipitant, precipitation rate at 0. 8ml / min

    研究表明，共沉澱的過程和條件控制對yig的合成具有重要影響。實驗得出共沉澱的合適條件為：以nh _ 3 - nh _ 4no _ 3為緩沖溶液，控制ph范圍為10 . 0 ? 10 . 5 ，採用可溶性鹽為原料配製溶液，滴加到沉澱劑中的共沉澱方式，共沉澱速度為0 . 8ml min左右。
  3. The influence of outer potential field on single atom and atomic interaction energy on precipitation mechanism of " ( al3li ) phase in al - li alloys were investigated by computer simulation

    本文以al - li合金為對象，通過計算機模擬研究了外勢場對單原子能量的影響和原子間相互作用勢對（ al _ 3li ）相沉澱機制的影響。
  4. It is firstly found that for alloys in transitional region, with enhancement of atomic interaction energy, pregnant period of " phase is shortened dramatically, and process of clustering accelerated remarkably, stages of growth and coarsening of " phase brought forward, i. e. precipitation mechanism of alloy in transitional region incline to that of alloy in instable region

    首次發現，隨著原子間相互作用勢的增加，過渡區合金中有序相的孕育期明顯縮短，原子簇聚過程明顯提前，相的長大和粗化階段也有所提前，即促使過渡區合金的沉澱機制偏向失穩區合金。
  5. It was well known that the main process of precipitation formation was collecting cloud water in the warm area and ice phase particles melting in the cold area. positive vertical velocity existed between 700hpa and 500hpa in the warm area and near surface in the cold area. wind convergence existed at the height of 700hpa, and divergence existed above and below the height of 700hpa

    通過對降水雲系的綜合研究，建立了河南省春季層狀雲降水概念模型：暖區降水主要通過雲水碰並形成，冷區降水機制以冰粒子融化等冷雲過程為主;暖區700一50ohpa通常有上升氣流，冷區上升氣流分佈在近地面附近: 700沖a存在風場的輻合，其上下則主要是輻散區;水汽主要集中在7o0hpa高度上，暖區水汽來自南、東南方向，冷區水汽以西南輸送為主;暖區位勢不穩定分佈在o 。
  6. Caculation is carried through adopting mechanism function of the first order reaction, f1 : f ( ) = l -. the results have good linear relativities, a, the precipitated fractions are excellently representative, and f1 is ascertained the most probably mechanism function of " phase precipitation. the electric field reduces activation energies of " phase precipitation and average sizes of " particles both in 2090 and 1420 alloys

    採用一級反應的模型函數f1 ： f （ ） = 1 - ，計算了相析出的動力學，計算結果具有良好的線性相關性，並且具有很好的代表性，確定f1為相析出的最概然機理函數；電場固溶使2090合金和1420合金升溫時效過程的相析出激活能有一定程度的減小，並減小了相顆粒的平均尺寸。
  7. To the large - scale atmosphere, we separate the terms of the horizontal vorticity converting into the vertical vorticity, which considered as the baroclinic terms, from the terms that not including horizontal vorticity by the rules of the p coordinate transforming to the z coordinate in the traditional vorticity equation, and carry out the scale analysis, and then conclude that the baroclinic terms are able to reach the same magnitude grade as the partial derivative of the vertical vorticity to time when it takes place the large scale precipitation in the summer monsoon period in china. by analyzing the game reanalysis data from april to august in 1998 in the region of chinese continent, we found that the baroclinic terms is important to the large - scale cyclone developing above the 600hpa, and the magnitude changing of the baroclinic terms is nearly in - phase as the monsoon movement, so which imply exactly that the magnitude changing of the baroclinic terms is the one of the natural characters of the summer monsoon evolution and equivalent to the movement rule of the subtropical high of the western pacific

    在p坐標垂直渦度方程中，利用p坐標向z坐標轉換的公式將水平渦度向垂直渦度轉化的所有項分離出來，這些項具有明顯的斜壓特徵，對其進行尺度分析后，得出在可以忽略潛熱釋放對渦度影響的對流層中、高層，此轉化項是大尺度斜壓渦度發展的重要項。通過對1998年48月的game再分析資料進行實際計算也發現，轉化項在東亞夏季風上升支的600hpa及以上層次對垂直渦度的局地變化貢獻很大，不能忽略。同時發現水平渦度向垂直渦度的轉化在南海季風爆發時和江淮梅雨入梅及發展過程中均有指示性意義，在南海季風爆發以後，在中國東南部地區，轉化項的大小與夏季風的活躍和中斷等活動有著幾乎一致的變化規律，這從側面也指出了，此轉化項的變化是夏季風演變所具有的本質特徵，並且它反映出了西太平洋副高在中國大陸的活動情況。
  8. The weather of the abnormal most precipitation and the persistent rain all does n ' t correspond well in the two area of jiangsu, while the weather of the abnormal little precipitation is corresponding with the persistent sun. during 1st. - tth. october, the precipitation distribution of south of jiangsu is in phase with the middle - low reaches of the yangtze river and guangxi, while in north of jiangsu it is in phase with the drainage of huai river and the up - middle reaches of the yangtze river

    兩區異常多雨年份與連陰雨天氣對應關系都不是很好，但連晴天氣與異常少雨天氣有著較好的對應關系；十一期間蘇南地區降水與我國長江中下游地區和廣西地區降水呈同位相，而蘇北地區與長江以北上中游地區和江淮地區降水呈同位相。
  9. Analysis shows that when summer precipitation in north china is richer ( less ), tropical east pacific ssta is colder ( warmer ) phase, and slp and 500hpa geo - potential height are negative ( positive ) anomaly over the asia, west pacific sub - high is northerner ( southerner ), and block high in mid - highs latitude happens less ( more ) than normal, east monsoon is stronger ( weaker )

    分析表明華北夏季多（少）雨期，赤道中東太平洋ssta處于冷（暖）位相，在非洲大陸上slp利500hpa位勢高度均為負（正）異常，西北太平洋副高位置偏北（南） ，中緯度阻塞高壓發生頻率較低（高） ，東亞夏季風偏強（弱） 。
  10. Yttrium aluminum garnet ( y3al5o12, yag ) is not only a very important laser material, but also a high - temperature structural material and a fluorescence material. in this paper, the discussions are mainly focused on the synthesis of yag powders by co - precipitation method, self - propagating high - temperature synthesis and mixed method, powder ' s property, etc. in the co - precipitation method, the precursor was produced by adding a mixed a1 ( no3 ) 3 and y ( no3 ) 3 solution to nh4hco3 solution. yag can be obtained by heating the precursor at looo ' c for 5 hours without the formation of yam and yap transition phase

    釔鋁石榴石（ y _ 3al _ 5o _ 12 ，簡稱yag ）是一種重要的激光基質材料，同時它還作為高溫材料和熒光材料得到了廣泛的應用，本文主要討論了化學共沉法、燃燒法制備yag的超微粉的工藝，並對yag超微粉的性能及物相進行了分析；採用固相合成法制備了ca ， ca ： yag系列陶瓷，並對其結構和性能進行了討論。
  11. The reversion and precipitation of the second phase which occurs during the course of aging result in electronic conductivity reversion of bar

    時效處理對導條組織和性能的影響是因為時效過程中先後發生了回復、再結晶和第二相析出。
  12. Effect of heating temperature on solid solution precipitation of second phase particles and grain growth

    345鋼第二相粒子固溶析出及晶粒長大的影響
  13. Kinetics of 8 " phase precipitation and influence of electric field applying during solution process are studied by differential scanning calorimetry ( dsc ) technique

    以示差量熱分析技術（ dsc ）研究相析出的動力學及固溶電場的影響。
  14. According to our analysis, the farmers in quzhou are in the second phase, which means they already have enough food and put much more inputs for earning high yield and high income. ( 4 ) the ground water table was getting down, caused by precipitation decreasing, no river water coming due to the upstream reservoir, complete drainage in rainy season and irrigation using groundwater

    （ 4 ）自然降水量的降低、上游水庫的攔蓄，使平原失去了獲得水源的機會；內部防洪排瀝體系的完善，致使入滲補充地下水減少；耕地灌溉率的增加，導致農業用水量不斷加大，這些因素共同作用使區域水資源失去平衡，引起地下水位的下降，從而促使鹽漬土表層脫鹽。
  15. After heat treatment, hardness of the coating is greatly improved because of precipitation of niap phase, while the difference of wear resistance between low - p coatings and high - p ones becomes little

    鍍層經熱處理后，由於ni _ 3p的析出使鍍層硬度得以提高；低磷鍍層和高磷鍍層在熱處理后的耐磨性能燕山大學工學博士學位論文差別不大。
  16. Chapter 2. powder synthesis techniques fall into three broad categories : ( 1 ) precipitation from a salt solution, ( 2 ) condensation from the vapor phase, and ( 3 ) high - energy milling

    第二章：納米微粒的制備方法納米材料的制備方法主要分為三大類：液相法、氣相法和高能球磨法。
  17. The nanometer particles of o - azo with diameters in the range of 40 - 60 nm and carbon nanotubes ( cnts ) immobilized by nanoscale o - azo are successfully obtained by modified liquid phase direct precipitation ( lpdp )

    通過改進的液相直接沉澱法成功制備了粒徑在40 60nm的?唑基偶氮微粒，並將?唑基偶氮納米材料與碳納米管復合，制備了偶氮碳納米管納米復合材料體系。
  18. 6. through analysis and discuss of the precipitation mechanism of cr phase, it can be deduced that primary ( cr ) phase exhibits petal shape or triangular due to solute and heat flow in local fluid

    6通過對初生相（ cr ）相析出機制的初步分析和探討，認為由於熔體局部的溶質和熱流波動，初生相的生長形態有花瓣狀或三棱形。
  19. The precipitation sequence is. - supersaturated solid solution - stoicheometric " phase - growth. with the increase of the composition there is more characteristic of non - classical nucleation and growth, and the order parameter values of critical ordered nucleus decrease. the precipitation sequence is : supersaturated solid solution - nonstoicheometric ordered phase - stoicheometric " phase - growth

    隨濃度增加，大部分亞穩區合金沉澱非經典形核長大的特徵增強，有序相臨界晶核序參數分佈曲線降低，且分佈更加平緩，沉澱序列為：過飽和固溶體非化學計量比有序相化學計量比相長大，非化學計量比有序相併非熱力學意義上的亞穩相，研究工作明確了這一點。
  20. The precipitation sequence in instable region is as follows : supersaturated solid solution congruent ordering spinodal decomposition stoicheometric phase it is found for the first time that with the increase of compositions, congruent ordering is enhanced, incubation period is shortened, spinodal decomposition is decreased, and volume fraction of ordered phase is increased

    失穩區合金沉澱序列為：過飽和固溶體（ ? ）非化學計量比有序相（ ? ）化學計量比相等成分有序化也需要孕育期，首次發現隨初始濃度的增加，孕育期縮短，等成分有序化速度加快，而失穩分解的速度相對減慢，有序相體積分數增加。
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