precipitation mechanism 中文意思是什麼

precipitation mechanism 解釋
降水機制
  • 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。
  • mechanism : n 1 （機械）結構；機械裝置[作用]；（故事的）結構。2 【哲學】機械論 （opp vitalism）。 3 【文藝】...
  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. The main mechanism of enhancing precipitation is that much ice nuclei turn into ices, and then snow ; graupel are formed more by microphysical processes. the melting of graupel makes precipitation more than that of unseeded clouds

    主要的增雨機制是大量冰核活化成冰晶，冰晶通過增長和其他的微物理過程形成雪晶、霰，霰最後融化成降水使地面降水量增加。
  3. The dependence of oxygen precipitation and induced - defects in heavily as - doped silicon on heat treatment process was studied by annealing and ig process, chemical etching, scanning electron micrograph ( sem ) and transmission electron microscopy ( tem ). a developed ig technique was suggested and the mechanism of the influence of as on oxygen precipitation formation in heavily as - doped silicon was discussed

    本文通過化學腐蝕、光學顯微鏡、掃描電鏡（ sem ） 、透射電境（ tem ）等分析技術，對重摻砷硅單晶在單步退火工藝和內吸雜退火工藝中氧沉澱及誘生缺陷的形態，形核與熱處理溫度、時間的關系等進行了研究。
  4. 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。
  5. 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。
  6. The paper discusses dynamical conditions of the supercritical ore - forming fluid system based on study of regional geological background and analyses of physiochemical conditions of ore - forming process and puts forth the ore - forming mechanism : upper mantle uplift - mingling of meteoric water and magmatic hydrothermal fluid separated from acidic magma under tensile or transitional tensile environment - water / rock reaction - transportation - chemical coupling ore precipitation

    在分析超臨界成礦流體系統形成的區域地質背景和研究成礦物理化學條件的基礎上，探討了超臨界成礦流體系統形成的動力學條件，提出該系統的成礦機理：與燕山晚期酸性火山侵入巖漿有關的金銅礦床是在上地慢隆起、張性或向張性過渡背景下形成的，酸性巖漿經熔體流體分離作用形成的巖漿熱液與大氣降水混合，經水巖作用等復雜的輸運和化學反應耦合過程的動力學產物。
  7. This article described the deformation features of taojiaba landslide and analyzed the inner factors, geologic setting, topography, morphology, stratum, lithology and texture, and the external influence factors, precipitation, flood, human activity, neotectonic activity and earthquake, and the transform features of landslide in the near future, and evaluate stability of landslide through the section coefficient method calculation on basis for landslide mechanism analysis and control work

    摘要陶家壩滑坡基本特徵顯示，滑坡變形的主要影響因素有：地質環境因素（地形地貌、地層巖性、物質結構） 、外界影響因素（降水因素、洪水因素、人為因素、新構造及地震） ，以及滑坡近期變形特徵，通過剖面遞推系數法計算，對滑坡的穩定性進行了評價，為滑坡機制分析和優化整治措施提供依據。
  8. 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。
  9. The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain

    作為對比，本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析，並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性，為兩地暴雨預報提供有益的參考，得出了一些很有意義的結果： 1大尺度環流背景分析表明： （ 1 ） 「 02 . 6 」強降水與6月上旬越赤道氣流和季風爆發密切相關，攜帶大量水汽的偏南氣流與冷空氣於6月8日交匯在西北地區東部，導致了這次強降水的發生； （ 2 ） 200hpa的副熱帶西風急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明，東高西低形勢場、低空急流的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系，存在一支橫越低空急流的經向垂直環流，暴雨區處于該垂直環流的上升支； （ 3 ）偏南和偏東氣流水汽通道在西北地區東部交匯，水汽的輻合積聚主要在對流層低層和行星邊界層內完成； （ 4 ）整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈，與切變線走向非常一致，降水產生的凝結潛熱釋放是強降水區大氣的主要熱源。
  10. When r, i, g vary with height at the same time, effect on rainfall amount and hail fallout amount are all bigger, especially, hail fallout amount. another hailstorm occurred in xunyi county, shanxi province on july 9. 1999 is also simulated. by contrasting two different hailstorms in nanjing and xunyi county, we analyze the effect of i variation on nature cloud and precipitation, then we analyze the effect of i variation on mechanism of hail suppression with seeding and seeding outcome in two seeding experiments with agl

    模擬了1999年7月9日陜西省旬邑地區的冰雹雲個例，在只改變模式中_ i取值的條件下，對南京、旬邑兩個不同地區的冰雹雲，對比分析了冰晶譜形變化，對雲和降水的影響，最後又分別用agi進行催化數值試驗，來對比研究兩個不同地區雲中冰晶譜形的變化，對催化防雹影響。
  11. 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。
  12. In the study of the mechanism of precipitation anomalies, the discovery is then chiefly to study the effect of ssta on precipitation and temperature in pre - floods period in south of china, concluding that there is a high con - elation between season precipitation in south of china and ssta ssta distribution

    本文利用國家氣候中心整編的1951 - 2000年中國160個站的月平均降水和月平均氣溫資料，重點分析了華南前汛期降水和氣溫異常的時空變化特徵及其與海溫異常的關系。
  13. ( 2 ) the kinetics of mesostructure formation is studied. the induction time formation of a white precipitation decrease with the concentration of [ oh " ]. the effect of salts is presented because of adding the re3 + ions into neutral solution containing surfactant. the mechanism of mesostructure formation through " hydrogen - bonding interaction, complex - bonding interaction and a local reconstruction process of the frameworks "

    （ 6 ）當稀土離子進入hms樣品骨架，靠近外來原子的對稱a o st會產生小的變形。 st o st振動帶由於配位金屬電荷遷移躍遷而變成拉曼活性模。 （ ）用ftth光譜研究了a oh凝聚反應動力學，建立了a oh凝聚反應動力學方程，求得其凝聚反應活化能為28士7kj in 。
  14. Through the competition of ionization equilibrium of zno22 - and precipitation reaction, the nucleation and growth process of znse have been adjusted, and monodispersed znse semiconductor hollow microspheres are obtained. these microspheres were found to form through aggregation of small znse nanocrystals sizes of which could be finely tuned by temperature control. a novel gas - liquid interface aggregation mechanism was proposed and this idea might be generalized in other systems

    以zno22 -陰離子提供鋅源，利用它在強堿性溶液中緩慢釋放出zn2 + ，並與se2 -之間的電荷排斥作用，成功地調節了反應動力學，獲得了尺寸和分散性都非常均勻的微米級znse空心球，並實現了空心球內部粒子尺寸的調控，提出了新穎的氣液界面團聚機理。
  15. This paper has reviewed the resources of ceo2 in our country, the markets and the condition of application. the advantages and drawbacks of the important preparation methods were reviewed. it puts emphasis on the reaction mechanism of precipitation method to nanoparticals and analyzes redox potential between ce3 + and ce4 +, puts forward a new technics named " a two - stage precipitation process " to succeed in obtaining nanocrystalline powers of cerium oxide

    本文簡要介紹了我國ceo _ 2的資源和市場以及國內外納米ceo _ 2的應用現狀：分析對比了納米ceo _ 2制備研究現狀；重點討論了沉澱法制備納米粉體的理論基礎：結合鈰（ ）離子、鈰（ ）離子的氧化?還原電位分析，提出以兩步沉澱法來制備納米二氧化鈰。
  16. The sequence is : non - classical ng supersaturated solid solution spinodal decomposition the variation in precipitation mechanism of 8 " phase in intermediate region is systematically investigated firstly, and it is found that with the increase of composition the precipitation characteristic transforms from that of metastable to instable region gradually

    首次發現l12有序疇之間首先形成較寬的重合位置點陣，隨時間延續，重合位置點陣逐漸向ll :結構轉變，在兩有序疇之間形成反相疇界，隨后，由於合金發生分解，反相疇界被有序一無序界面替代。
  17. This paper analyzed the mechanism of precipitation floatation, discussed the technology of selective precipitation floatation, the method of sulfide precipitation floatation can treat wastewater containing heavy metal ion and reclaim valuable metals

    摘要對沉澱浮選機理進行了分析，討論了選擇性沉澱浮選技術，論述了硫化沉澱浮選法不僅能處理礦山含重金屬離子廢水，同時還能回收其中的有用金屬。
  18. In instable region the precipitation mechanism of " phase is congruent ordering followed by spinodal decomposition, and ordering occurs prior to clustering

    失穩區合金相的早期沉澱機制為：等成分有序化+失穩分解，有序化先於原子簇聚發生。
  19. Computer simulation was firstly performed on the precipitation mechanism at mean - field spinodal lines in complicated system with ordering and clustering

    首次對既存在有序化又存在原子簇聚的復雜體系中平均場失穩線上合金的沉澱機制進行計算機模擬。
  20. No incontinuous transition has been found at mean - field spinodal lines and the transition of precipitation mechanism transform gradually across the mean - field spinodal lines. precipitation mechanism at disordering instability line is non - classical nucleation and growth, similar to those in metastable region, and precipitation mechanism at ordering instability line is non - classical nucleation and growth, followed by spinodal decomposition, similar to those in instable region

    在不同的區域，粗化有不同的表現形式:在亞穩區，與（形核）長大交疊;在失穩區，與失穩分解交疊;在過渡區，與長大和失穩分解混合機制交疊。
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