nucleation time 中文意思是什麼

nucleation time 解釋
成核時間
  • nucleation : n. 【物、化】成核（現象）；晶核過程，核子作用；集結；人工降雨作用。
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  1. Through the study of the example of shaxi porphyry body in anhui province, the authors first figured out the storage time of plagioclase phenocrysts, then calculated the nucleation rate and growth rate of the crystals and, on such a basis, established the thermal model for cooling of the hypabyssal magmatic system

    本文試圖通過對安徽沙溪斑巖體進行實例研究，先求出斜長石斑晶的存儲時間，再算得晶體成核速率和生長速率，進而建立起淺成巖漿體系冷卻的熱模型。
  2. The most important conclusion reached in this study is that cracking begins regardless of the initial loading nucleation time.

    這個研究最重要的結論是：裂紋的開始與初始載荷成核的時間無關。
  3. The paper works out the ice crystal spectrum distributing in the different macroscopic and micro - backgroud of the cloud ( ie, the thickness, the temperature and the supersaturation with respect to ice of the nucleation layer ). this paper also works out the amount of catalyst which is allowed in the cloud nucleation layer according to the different quantity of the supercooled water, the density of the supersaturation of the vapor with respect to ice. simultaneously, the paper discusses the i nfluence of remaining time when seeding artificial ice nucleus in the different ascending - velocity and altitude, and elicits the proper seeding altitude of the catalyst

    以此解為依據，得出了不同均流時，人工引入冰核在核化層存留時間，再以此時間作為人工冰核凝華增長時間，求出不同的雲宏微觀背景（如核化層厚度、溫度、冰面過飽和度等）下的冰晶譜分佈，經和實際資料比對符合相當好。進而求出核化層中不同過冷水量、冰面過飽和水汽密度下雲核化層可允許的催化用量。同時討論了不同升速，不同高度引入人工冰核時對其存留時間的影響。
  4. In this paper, concentrated sulfuric acid and titanium dioxide are used to prepare the tios04 solution that test later required under long time heat. the influences of reaction time and reaction temperature to yield of tioso4 are discussed. in the experiment of preparing tio2 powder, reaction temperature, ph values, material ratio, operation way, velocity of feed, calcining heat and time are researched by the principle of nucleation and growth in thermodynamics and kinetics

    在制備tio _ 2粉體實驗中，根據成核生長的熱力學和動力學原理，深入分析了沉澱反應時環境的溫度、 ph值、反應物配比、操作方式、加料速度等因素對ti （ oh ） _ 4粒度的影響，以及焙燒溫度和保溫時間等因素對制得的納米tio _ 2粉體性能的影響，得出了制備銳鈦型納米tio _ 2粉體的優化工藝條件。
  5. By studing the relationship of overheating temperature, overheating time and solution stability, the result shows overheating can decrease the number of molecule cluster and the probability of nucleation in the solution

    研究了不同過熱時間、過熱溫度對溶液穩定性的影響，說明過熱能夠降低溶液中離子簇的數量，能夠降低溶液成核結晶概率。
  6. The wxrd characterization showed that o - mmt possessed obvious nucleation effect on the crystallization process of b - pp. jeziorny and mo methods were used to study the non - isothermal crystallization process. the obtained value of kinetics parameters such as tp, n, zc, t1 / 2, a h, f ( t ), e showed that the o - mmt has nucleation effect in crystallization of pp and can increases the crystallization temperature of pp, quickens the crystall ization velocity, decreases the crystallization activation energy of pp but decreases the crystallization degree of pp at the same time

    運用jeziorny法和mo法研究了聚丙烯和復合材料的非等溫結晶過程，所得到的非等溫結晶過程動力學參數t _ p ， n ， z _ c ， t _ （ 1 / 2 ） ， h ， f （ t ） ， e的數值表明，有機蒙脫土的加入可以起到異相成核的作用，從而提高pp的結晶溫度，加快pp的結晶速率，降低pp的結晶活化能，但同時也會降低pp的結晶度。
  7. Effect of nucleation time on physical properties of nucleated glass made from steel slag

    核化時間對鋼渣微晶玻璃物理性能的影響
  8. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制，以控制沉積過程，減少金剛石膜生長過程中的缺陷，並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程；利用微波對材料的選擇加熱特性，通過構造等效方程，並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中，建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型，為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備，並對基片加熱材料進行了設計和優選，以獲取大面積均勻的溫度場區，甚至獲得大於基片臺尺寸的均勻溫度區；作為研究重點之一，開展了微波等離體化學氣相沉積金剛石的成核與生長研究，系統地研究了在（ 100 ）單晶硅基片上mpcvd沉積金剛石膜的實驗過程中，基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響，分別用raman光譜、 x射線衍射（ xrd ） 、掃描電鏡（ sem ） 、紅外透射光譜（ ir ） 、原子力顯微鏡（ afm ）對薄膜進行了表徵，確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  9. Keywords : reactive - crystallization, calcium oxalate hydrates, induction time, nucleation, morphology

    關鍵詞：反應結晶、含水草酸鈣、感應時間、成核、晶型。
  10. The results show that in the later stage of the nucleation process, the maximum slip velocity is monotonically accelerating ; the slipping hot spot ( where the slip rate is maximum ) migrates spontaneously from a certain instant, and such migration is spatially continuous ; when the maximum velocity reaches a detectable order of magnitude ( at least one order of magnitude greater than the loading rate ), the remaining time is 20 hours or more, and the temporal variation of slip velocity beyond this point may be used as a precursory indicator ; the average slip velocity is related to the remaining time by a log - log linear relation, which means that a similar relation between rate of microseismicity and remaining time may also exist ; when normal stress variation is taken into account, time scale of such processes can be extended by about 2 times

    結果表明，在成核的後期階段：最大位移速率單調加速增加；滑動熱點（最大滑動速率處）在後期階段開始自發性遷移，且在空間上連續；當最大滑動速率達到可以明顯探測的量級時（高於載入速率一個數量級以上） ，倒計時間為20小時或更長一些，這時的速率變化可作為臨震預測標志；平均滑動速率與倒計時間的關系在臨震階段呈對數線性趨勢，由此可推測微震活動增長率與倒計時間同樣存在對數線性關系；正應力的變化對上述時間尺度有延長作用，使之大致增加到原數值的2倍。
  11. In order to understand the frost crystal growth, the nucleation process on the cold plate with constant temperature was investigated. the experimental results revealed that the lower the cold plate temperature is, the shorter the frozen time of water droplets, and the smaller the frozen water droplets

    為了加深對晶體生長階段的認識，本文對某一具有確定溫度的冷壁面突然與一定環境條件下的濕空氣接觸時冷壁面上的成核過程進行了研究。
  12. The nucleation rates of different seeding agents are used as the initial conditions in the model, and at the same time cloud features and modification methods are paid more attention in the model. when simulating process of liquid co2, influence of thermodynamics to clouds is fully taken into accounted

    在運算的過程中考慮了被模擬雲的實際特徵和當時的作業情況；在進行液態二氧化碳（一種製冷劑）的模擬時，充分考慮了製冷劑對雲體的熱動力過程的影響。
  13. The thermodynamic conditions of decomposition of the foaming agent tih2, homogeneous and heterogeneous nucleation in high - temperature solid and liquid, growth and movement were achieved to demonstrate the trend of pore evolvement in this paper. moreover, according to the characteristics of in - situ gas foaming, the equations of the height change of foaming samples with heating time were primarily established to study the behavior of foams and to guild the experiment processes

    另外，論文通過大量的熱力學分析，得出了發泡過程中發泡劑分解以及氣孔在固液態時的均勻形核和非均勻形核、氣孔的生長和運動等熱力學條件，揭示了氣孔演化的趨勢；論文還根據內生氣源發泡的特點，初步建立了高溫熔體中氣體發泡高度隨時間變化的方程，為進一步深入的研究發泡機理奠定了一定的基礎。
  14. When being sporadic nucleation condition, four cases are considered that the number of nuclei increase with time by different ways. in every case, if the initial number of nuclei go up, the value of the avrami exponent n goes down approximately from 4 to 3, on the contrary, the value of vc moves up

    在散現成核條件下，考慮了晶核數目m隨時間增加的四種不同情況，隨著初始晶核數目m _ o的增加， avrami指數n值由接近於4逐漸減小到接近於3 ； v _ c值增加。
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