field particle 中文意思是什麼

field particle 解釋
（等離子）場粒子
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • 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. Compared with traditional contact flow measurement methods, presents the non - contact flow measurement methods, and emphases the application of laser doppler anemometry ( lda ) and particle image velocimetry ( piv ) to flow field measurement

    摘要與傳統接觸式流量測試方法相比較，介紹了非接觸式流量測試方法，重點介紹了激光多普勒技術（ lda ）和粒子圖像測試技術（ piv ）在流場測試中運用的原理。
  2. In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method, and the blood flowing velocity vector distributions have been calculated. in addition, the flow field distribution and the pressure on the particle surface are also calculated, when there is flow - round particle at the place of bifurcation, the move tendency of the particle is judged, the possible reasons of causing the atherosclerosis, thrombus, angioma are analysed

    本文用邊界元方法研究了一類典型心腦動脈分支血管中血液流動的流體動力特性，計算了分支血管血液流動的速度矢量分佈，同時計算了分支附近有多個顆粒狀繞流物時血液的流場分佈，及顆粒物所受壓力狀況，給出了顆粒物的運動趨勢，分析了引起粥樣斑塊病變、血瘤、血栓的可能原因
  3. The higher-order effects of the field on the particle motion give rise to anharmonic terms in the vibrational hamiltoniom.

    場對粒子運動的高階效應在振動哈密頓量中引起非簡諧項。
  4. Prolate cycloid as another track of charged particle movement in magnetic field

    長輻旋輪線是帶電粒子在磁場運動的又一軌跡
  5. In each cycle of operation the particle picks up energy from the oscillating electric field.

    粒子每運轉一周都從振蕩電場獲取新的能量。
  6. Elementary particle masses are thought to come about from the interaction with the higgs field

    物理學家認為基本粒子的質量來自於粒子與希格斯場的交互作用。
  7. Empirical formula for the particle of the maximum electric field strength in a non - uniform field

    顆粒物在非均勻電場中最大場強的經驗公式
  8. Specifically, to a test particle, its mass defect is am = m _ ( 0 ) - m, where mo and m are the mass of the particle when it is in the infinity and in the grav - itational field, respectively. to a spherical shell ( or a solid sphere ), its mass defect is am = m _ ( 0 ) - m, where mo is the total mass of the matter scattering in the infinity and m is the mass of the gravitational spherical shell ( or the gravitational sphere ) combined by the matter scattering in the infinity

    具體來說，對于試驗粒子，當它由無窮遠處運動到引力場中某點時，其質量由m _ 0變為m ，發生的質量虧損為m = m _ 0 - m ；對于球殼或固體球，當組成球殼或固體球的這些物質分散在無窮遠處時，總質量為m _ 0 ，當這些分散在無窮遠處的物質結合成球殼或固體球時，其質量變為m ，發生的質量虧損為m = m _ 0 - m 。
  9. Fortunately, when a laser or charged particle beam is sent through a plasma, interaction with the plasma can create a longitudinal electric field

    幸運的是，當雷射或帶電粒子穿過電漿時，與電漿的作用可創造出縱向的電場。
  10. These results indicate that the magnetic field should have upper stability when the particle beam is low polarized while the requirement of the stability of the magnetic field can be lowered when the particle beam is high polarized in the experiment of producing the polarization of the particle beam. and the complementariness can be used as a negative feedback to stabilize the polarization of particle

    這一結果表明，在產生離子束極化的實驗中，在離子束低度極化的前期階段，磁場應具有較高的穩定性，而在離子束極化度較高的後期階段，磁場的穩定性要求可以放鬆；自旋的縱向分量的無規漲落和橫向分量的無規漲落的互補性有可能用來做成穩定離子極化的負反饋。
  11. At the same time, on the basis of above results, the stability problem of the polarization of particle self - spin is discussed in irregular magnetic field of accelerator. the discovery that the low degree polarization system is very sensitive to the irregular magnetic field while the high degree polarization system is very stable is found. the irregular fluctuation of the vertical ponderance is complementary to that of the horizontal ponderance due to the self - spin conservation

    同時，在此基礎上，利用su （ 2 ）代數動力學方程研究了加速器中帶自旋離子的極化對磁場的含時無規擾動的穩定性問題，發現：低度極化的系統對磁場無規擾動十分敏感，而高度極化的系統對磁場無規擾動十分穩定；自旋守恆導致自旋的縱向分量的無規漲落和橫向分量的無規漲落存在著互補性。
  12. Test method for particle size analysis and sand shape grading of golf course putting green and sports field rootzone mixes

    高爾夫球場鋪設綠呢和運動場草皮根層的粒度分析和沙形分級的試驗方法
  13. Thermally assisted quantum tunneling in a uniaxial ferromagnetic particle in transverse magnetic field

    單軸鐵磁顆粒激發態的熱助量子隧穿
  14. The transport of reb is examined by 2d3v particle simulation in the xy plane. the filamentation and coalescence of currents and related magnetic field pattern, caused by the two - dimensional electromagnetic - beam - plasma ( embp ) instability, are observed

    在xy平面上對電流輸運過程進行了2d3v粒子模擬，觀察到電流絲的形成、聚合和磁場產生。
  15. 3 analyzing particle size of the wind - blown sediment and surface soil indicate that the former in 0. 02mm - 0. 2mm occupy about 40 % and 55 % of sloping field and shoaly land of bashang, which shows that bashang is the erosion and desertification region or the latency. 4 the search of decreasing effect of wood strap indicates that in lower wind speed the effect is distinct

    3風蝕物及表層土壤顆粒粒徑分析表明，地表200cm高度內風蝕物粒徑在0 . 02mm 0 . 2mm之間；壩上地區坡梁地與灘地該粒徑范圍顆粒分別佔40和55左右，說明壩上地區是風蝕沙化或潛在風蝕沙化地區。
  16. Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented

    採用pic方法，通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器，分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。
  17. Compared with the pressure hydrophone, vector transducer can provide both the information about pressure ( scalar quantity ) and particle velocity ( vector quantity ) of the sound field, which offers more possibilities for signal processing. so vector transducer and its signal processing have attracted the attention of researchers both native and foreign. in this thesis, a method of correlation equations for pressure gradient transducer is presented, and the estimation of multi - signal parameters with single vector transducer is given

    與傳統的聲壓水聽器相比，矢量水聽器既能獲得聲場中的聲壓這一標量信息，又能獲得聲場中質點振速這一矢量信息，這為其信號處理帶來更大的空間，因此矢量水聽器及其相應的聯合信息處理技術日益成為國內外科技工作者們研究的熱點。
  18. Air is entrained as water jetting into water cushion pool, the gas - liquid two phase flows field are formed. the every phase velocity field are measured by using piv and ptv ( particle tracking velocimetry ) method in the course of jet angle 75and60 in gas - liquid flows of water cushion pool. image house of two phase flows are set up

    西安理工大學碩士學位論文使用數字圖像處理技術中的piv和ptv測速技術就射流入水角75度和60度兩種情況分別測量了水墊塘模型水氣兩相流流場的各相速度場，建立了相應的兩相流流態圖像庫。
  19. It is found that the electric, field improves elongations in 2090 and 2090 + ce alloys markedly, especially in 2090 alloy, but has little effect on strengths. at the same time, the electric field lessenes percentages of intergranular delamination and increases transgranular fracture and microscopic plastic deformation. besides, the electric field makes both average particle size and its distributing range of 8 " phase smaller, and reduces the half width of pfz in aged alloys

    研究表明：固溶電場可顯著提高2090合金及2090 + ce合金的延伸率，尤其是對2090合金，但對強度則無明顯的影響；同時，固溶電場減少合金的沿晶分層斷裂比例，並增加穿晶斷裂及微區塑性變形；固溶電場還使合金時效后相顆粒的平均尺寸減小、尺寸分佈范圍減小，並使pfz的寬度減小。
  20. On the base of the study of dense gas - solid flow, we make full - scale numerical simulation on the combustion and pollutant emission processes of the 75t / h circulating fluidized bed ( cfb ) which is developed by our institute. we draw the conclusion on the characteristics of flow field, particle track, temperature profiles and species profiles. we also study the characteristics of coal combustion and nox formation and the interactive influence between them

    在對高濃度氣固兩相流動的系統研究基礎上，針對我們熱能所研製開發的75t h循環流化床熱電氣三聯供裝置，首次對于流化床燃燒爐內的燃燒和污染物排放進行了較全面的數值模擬，得出了爐內的流場、顆粒軌跡場、溫度場和組份場，研究了煤粉燃燒特性和氮氧化物的排放特性以及影響它們的因素。
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