a-type particle 中文意思是什麼

a-type particle 解釋
a型顆粒
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時，冠以不定冠詞主要表示類...
  • type : n 1 型，類型，（工業產品的）品種；風格，型式。2 典型，榜樣，樣本，樣板，模範，範本；典型人物；具...
  • particle : n 1 顆粒，微粒；微量，極少量。2 【物、數】粒子，質點。3 【語法】虛詞，不變詞〈冠詞、副詞、介詞、...
  1. He was awarded the 1976 nobel prize in physics with prof. burton richter for their independent discovery of a new type of elementary particle called the jpsi

    他與burtonrichter教授因發現j粒子於一九七六年同獲頒諾貝爾獎。
  2. The spin of a particle tells us the type of statistics it obeys.

    粒子的自旋說明了它所服從的統計法類型。
  3. Research on a new type of fly - ash particle strengthening anti - acid material

    粉煤灰型粒子增強耐酸膠凝材料的初步研究
  4. Abstract : it has been established that titanium exists in jinduicheng molybdenum deposit in rutile type by test for all kinds of ores. its grade is about 1 %. there isn ' t concentration in products. the particle size is fine, and the distribution isn ' t evenly. it has a definite economic benefit if it recoveried from tailings

    文摘:通過對金堆城鉬礦床中各種類型礦石的系統測試，查明了鈦在該礦床中主要以單礦物金紅石的形式存在於花崗斑巖各蝕變帶的鉬礦礦石中，品位約為1 % ，產品中沒有富集，基本隨尾礦流失，粒度細，分佈不均，從尾礦中進行綜合回收，具有一定的經濟效益。
  5. A stochastic inverse technique based on gray - code genetic algorithm ( gga ) to invert particle size distribution from dynamic light scattering ( dls ) data is proposed. numerical tests and latex experiments for inverting dynamic light scattering data showed that the algorithm could be successfully applied to inverse problem of dls with high stability to the different type of distributions

    提出了採用格雷碼編碼遺傳演算法對動態光散射測量的多粒徑分佈進行反演運算，數字測試的結果和聚苯乙烯乳球的實驗結果表明，該演算法能夠精確的反演出各種分佈的粒子分布圖象。
  6. A typical bistatic weather radar net work is comprised of one traditional transmitter - receiver radar and one or more passive non - transmitting radar receiver at remote site. this type of multiple radar network offers unique advantages when compared to traditional radar net work. this paper introduces the concepts and principles of bistatic weather radar network and analyses, simulates, calculates the basic concepts of effective scattering particle volume relative to the receiver of bistatic radar network, the doppler shifts of the received signals, gives the formula to conduct the three dimensions wind field

    本文從原理上分析了雙基地天氣多普勒雷達的構建、基本幾何關系、有效散射體積及其與雙基地角的關系，有效散射體積和目標與雙基地天氣多普勒雷達主站發射機的距離的變化關系，指出雙基地天氣多普勒雷達有效體積和單基地雷達有效照射體積隨之距離的變化有相似之處，但是由於收發分置的幾何結構，雙基地天氣多普勒雷達的性質與雙基地大氣多普勒雷達的散射角有著密切的關系。
  7. When the stress at the tip of crack is inflicted on the m - type ferrite particle dispersed in matrix as a second particle, not only the toughness of composites will be pro ved because of the non - elastic area produced by the particle but also the strength change of magnetic field and the stress distribution in the structural ceramics will be detected by the strength of spontaneous magnetization varying while magnetic materials being pressed or drawn

    這是因為當結構陶瓷中裂紋尖端的應力作用在彌散於基體內的鐵磁體二相粒子上時，鐵磁粒子不僅在裂紋尖端周圍產生的非彈性區域使復合材料的韌性提高；而且還能利用鐵磁材料在外應力作用下自發磁化強度發生變化的性質，通過測量復合材料在應力作用下磁場強度的變化，探測出結構陶瓷中的應力分佈情況。
  8. This text attempts to regard silica as shell materials, regard nanometer iron and carbonyl iron particle as core materials to prepare a kind of new - type absorbent. the structur of the core - shell particles were characterized by ftir, tem, sem, xps, xrd etc. the properties of magnetism, heat, crystalization, ectromagnetic were characterized by vsm, tg - dta, network vectorial analysis instrument

    本文以二氧化硅為殼層材料，以納米鐵以及羰基鐵粒子為核層材料，制備一種新型的吸收劑粒子。用ftir ， tem ， sem ， xps ， xrd表徵了復合粒子的結構，利用vsm ， tg - dta ，網路矢量分析儀等分析了材料結構改變對材料磁性能，熱性能，結晶性能，電磁參數等性能進行了分析。
  9. The structure and properties of interfacial region of liquid crystals ( i. e the layers adjacent to a solid walls ) are obviously affected by the solid walls. therefore, the investigations of interface properties of liquid crystals have significance of theory and extensive prospect of application in this paper, the molecular field theory and a two - particle cluster theory are presented to study thin nematic liquid crystal films confined by two type solid substrates, respectively

    目前液晶被廣泛用於光電顯示器中，固體界面對液晶界面層（鄰近基板表面的液晶層）的結構、性質有較大的影響，因此，對液晶與固體表面間的界面物理性質和規律研究，具有重要的理論意義和廣闊的應用前景。
  10. Using this system, research on nox emission and burnout characters of the test facility are carried out. the results of influence on nox emission and carbon in fly ash by coal type, coal particle diameter, furnace temperature and excess air are reached through tests. then micronized coal reburning tests are processed, which show a remarkable effect results on nox reduction and burnout rate

    通過大量的試驗，得出了煤種、煤粉細度、爐膛溫度和過量空氣系數等因素對nox排放和煤粉燃燼率的影響趨勢；並在此基礎上研究了超細粉再燃對脫氮效果和燃燼性能的作用，試驗結果表明超細煤粉再燃對降低nox排放和飛灰含碳量具有明顯的效果。
  11. The event gave us a good opportunity to discuss the processes of magnetic change, energy release and particle acceleration in the corona during the preflare, especially using decimetric and microwave fine structure data. in this thesis, we report the solar type iv bursts and its associated fiber fine structures recorded on 14 july 2000

    中國國家天文臺懷柔觀測站的寬帶頻譜射電望遠鏡，觀測到了來自內日冕區的射電爆發及其精細結構，攜帶著耀斑爆發初期磁場變化、能量釋放的豐富信息，很有必要對其進行深入的理論分析和計算。
  12. In this paper, a new type evaporator, inert particle fluidized bed evaporator, which is adapted to tea liquid infusion evaporating. we designed and built an inert particle fluidized bed evaporator

    本文針對汽?液?固三相流化床蒸發器的特點，把該種蒸發設備應用於綠茶浸提液濃縮蒸發過程。
  13. The output signal of pda is affected by the suspended particle concentration, particle size, and the type and dosage of coagulant as well. by analysing the fi curve, it is found that the characteristic parameters of fi curve closely relate to aggregates size and turbidity removal the aggregates size and turbidity removal achieve the maximum when the amplitude of fluctuation is the maximum. the mean diameter and fractal dimension increase with agitation time, and finally reach a steady - state

    通過對混凝過程的在線監測和對pda輸出信號fi曲線的數學解析表明： fi曲線綜合反映了懸濁液中膠體顆粒濃度和顆粒粒徑，混凝劑種類和投量很大程度上影響了fi曲線形狀， fi曲線的特徵值與絮凝體平均粒徑和濁度去除率之間具有良好的相關關系，在振幅最大處，濁度去除率達到最高，絮體平均粒徑最大，該條件下對應的投藥量為最佳投藥量。
  14. Type - 1 vertex is identical with the physical field vertex, type - 2 vertex is different with a opposite sign, external particle line ( physical leg ) is only connect with the type - 1 vertex

    1型頂點與零溫時物理場構成的頂點相一致， 2型頂點相差一個負號。對于粒子外線（物理腿）只和1型頂點相連。
  15. The hexagonal barexfe, 2. xo, ( re denote la ^ nd > sm and gd ) ultrafine powders with m - type structure were firstly synthesized by a novel technique - - - - - - sol - gel combustion synthesis method which combines sol - gel method with low temperature combustion synthesis method. based on theoretical analysis and experimental study, the effects of the composition of the gel, the different kinds of intermediate, strength of solution, the amount of complexing agent, the different kinds of anions, the adding of dispersant, auto - propagating combustion and the condition in heat treatment of the gel on crystal phase, particle size, morphology and magnetic properties of bare ^ fe ^ o, ultrafine powders were firstly investigated systematically to clarify the optimum forming conditions

    本研究是在前人工作的基礎上，同時從制備方法和摻雜元素兩方面著手，以保證制備的粉體材料具有優異的性能，即首次利用溶膠?凝膠濕化學合成法和低溫燃燒合成法相結合的一種兼具二者優點的超細粉末新型合成技術? ?溶膠-凝膠燃燒合成法來完成稀土元素摻雜鋇鐵氧體bare _ xfe _ （ 12 - x ） o _ （ 19 ） （ re為la 、 nd 、 sm 、 gd ）超細粉末的制備。
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