magnetic-particle method 中文意思是什麼

magnetic-particle method 解釋
磁力探傷法
  • magnetic : adj. 1. 磁（性）的；（可）磁化的。2. 吸引人心的；有魅力的。3. 催眠術的。
  • 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、...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Fe3o4 nano - particles, which can be dispersed in nano scale, were prepared by means of chemical co - precipitation method. such influencing factors as the type of precipitant, the feeding mode, the surfactants, the reaction temperature, the curing temperature were surveyed. some properties such as crystal structure, particle size, magnetic properties and iron content were characterized

    深入探討了沉澱劑的種類、加入方式、表面活性劑、反應溫度、熟化溫度等各種因素對產物的粒徑及磁性能的影響，對fe _ 3o _ 4納米粒子進行了晶體結構、粒徑、磁性能、鐵含量等性能的表徵。
  2. It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling. first, a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects. then, spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii. finally using the periodic instanton method we evaluate the transition amplitude, energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained

    文章首先對磁性宏觀量子效應的理論和實驗方面作了簡單介紹，然後藉助于ulyanov和zaslavskii發展的一種等效勢描述方法，把外磁場沿難磁化軸方向時的自旋隧穿約化成在等效雙勢阱中運動的粒子，利用瞬子方法給出基態能級劈裂，最後利用周期瞬子方法分別計算了隧穿幅、能級移動以及wkb前因子，從而給出由於熱助量子隧穿引起的激發態的隧穿率。
  3. Method of magnetic particle inspection of steam turbine blades

    汽輪機葉片磁粉探傷方法
  4. Method for magnetic particle testing of ferromagnetic materials and classification of magnetic particle indication

    鐵磁材料的磁力探傷試驗方法及磁粉顯示的分類
  5. 2 ) the inductance transducer used to identify large wear particle is developed. the analytical theory of wear particle and detection windings are expatiated and inner magnetic distribution of inductance transducer is discussed, the geometry parameters are optimized by using genetic algorithm, and the finite element analysis method is used in the designing

    2 ）研製了識別大磨損顆粒的材質和測定其粒度的電感傳感器，闡述了磨損顆粒與檢測線圈的解析關系，探討了傳感器的理論基礎，分析了電感式檢測傳感器內部的磁場分佈，並應用遺傳演算法優化了傳感器幾何參數，最後進行了有限元模擬分析。
  6. This dissertation presents a way to improve the efficiency and output power of rbwo and to reduce the focusing magnetic of the rbwo. in order to verify the correction of this method, i use the particle - in - cell ( pic ) software magic to simulate the rbwo of this kind of structure

    本文研究了提高x波段rbwo輸出功率和輸出效率、降低聚焦磁場的方法，提出了一種新結構的hl - rbwo並對其進行了計算機的粒子模擬驗證。
  7. The work mainly focused on the effect of surface treatment method of magnetic nanoparticles on the final particle size, size distribution and some magnetic properties of the composite microspheres

    . .巴日目呂合法制備磁性復合微球的過程中，磁性無機粒子的凝聚狀態及表面特性對磁性復合微球的成功制備影響很大。
  8. Confirmation method of calibration by visual calibration gauge on magnetic particle and liquid penetrant testing

    使用目視校準規對磁粒檢驗和液體滲透檢驗進行校準的確定方法
  9. Steel products - method for magnetic particle inspection of tower sample

    鋼材塔形發紋磁粉檢驗方法
  10. Magnetic particle inspection method of rolling bearings for locomotive and rolling stock wheel sets

    機車車輛輪對滾動軸承磁粉探傷方法
  11. A sicp reinforced al - cu alloy and al matrix composites are fabricated by a new method - electromagnetic centrifugal casting, the effects of rotational rate for centrifugation, magnetic density, particle size and matrix on the distribution of particles and microstructure of matrix are studied

    首次利用電磁離心凝固方法制備sic _ p al基和sic _ p al - cu基復合材料，研究了離心轉速、顆粒尺寸、磁場和基體對顆粒分佈以及對復合材料基體組織的影響。
  12. The particle - enriched zone moves outwards as the rotational rate increases. by employing steady dc magnetic field to the conventional centrifugal casting method, the distribution of particles is changed. the most uniform distribution is obtained when the magnetic density is 0. 15t

    通過向常規的離心鑄造中引入穩恆直流電磁場，基體中的顆粒分佈得到改善，磁感應強度為0 . 15t時，顆粒的分佈最為均勻，磁感應強度過大時，磁場將會引起基體組織粗化。
  13. Cleanliness rating of steels by the magnetic particle method

    用磁性粒子法測定鋼的清潔度指數
  14. Particle simulation method is used to investigate the properties of the rco - tat, including the basic physical process of the beam - wave interactions and the dependence of the microwave radiation on the structure parameters, the beam parameters, and the guiding magnetic field intensity and distribution

    利用21 / 2維電磁模相對論pic粒子模擬程序研究了rco - tat工作的基本物理過程，並研究了器件的結構參數、束流參數、導引磁場強度和分佈對束波作用和微波輸出的影響。
  15. Test method for magnetic particle examination of steel forgings using alternating current

    用交流電流檢驗鋼鍛件磁粒的試驗方法
  16. Standard test method for magnetic particle examination of steel forgings using alternating current

    用交替電流檢驗鍛鋼磁性微粒的標準試驗方法
  17. We consider a neutral particle with magnetic moment antiparallel to the field. with the interaction potential energy between the magnetic moment of the particle and the magnetic field, we obtain the classical motion equation of the neutral particles in the loffe trap. in some limit conditions, by using the perturbative method, the equations may take on concise forms. of which the two equations about x and y are mathieu equations. if we properly set the parameters and have the condition a > > q > 0, we can solve the mathieu equation with the traditional wkbj method. as a new attemptation, with fourier series expansion we solve the mathieu equation and obtain the classical motion law of the neutral particles

    若阱的參數設置使得條件> > q 0成立時，我們可以利用傳統的wkbj方法近似求解馬丟方程。作為一種新的嘗試，本文還採用傅立葉級數展開的辦法來對馬丟方程進行求解，從而得到中性粒子在阱中的經典運動規律。在研究ioffe阱對中性粒子的囚禁問題時，實際上我們更感興趣的是馬丟方程的周期解，而要想獲得這種周期解，和q必須滿足一定的關系，亦即必須選擇阱的特定的參數和粒子的特定初始條件，對這一問題我們進行了嘗試性的研究。
  18. 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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