非磁質 的英文怎麼說
中文拼音 [fēicízhí]
非磁質
英文
non magnetic material-
For obtaining the numeral solutions of round elastic plates in axisymmetrical deformation with varying - thickness in nonlinear deformation in the unsteady electromagnetic field and mechanical field, by establishing the equations of motion, the equations of distortion, the equations of lorentz force, the equations of electronic dynamic mechenical, and adopting iterative method, we gained the nonlinear magneto - elastic calculation method and outcome of current - carrying shell, and gained the influencing degree toward mechanical parameter of varying thickness round ferreous plates in the electromagnetic field and mechanical field
摘要為了獲得內邊界固定的環形導電薄板在均布力與橫向磁場作用下的變形問題的數值解,通過建立運動方程、變形方程、電動力學方程和洛侖茲力方程,運用迭代法得出了載流板殼的非線性磁彈性的計算方法和結果,以及機械場、電磁場對鐵質變厚度圓板各力學參量的影響程度。Computation of magnetotelluric response in the 2 - d inhomogeneous media
二維非均勻介質中大地電磁響應的計算Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed
根據磁流變阻尼器特性和對懸架系統動力學特性的規律性研究,為磁流變阻尼器設計了基於「天棚」阻尼控制概念的「 on - off 」 、線性連續和修正的線性連續控制策略,基於「地棚」阻尼控制概念的磁流變阻尼線性連續控制策略, 「天棚」阻尼和「地棚」阻尼控制概念線性組合起來的磁流變阻尼混合控制策略,根據模糊控制原理設計了以簧載質量和非簧載質量間相對位移或簧載質量加速度分別作為輸入變量的模糊邏輯控制器用於磁流變阻尼半主動懸架的智能控制。Main product : tungsten carbide powder, roll ring, anvil and cylinder, mining button bit, dies nib for various application : cold heading dies, drawing dies and non - magnetic carbide dies. all of the products mentioned above could be offered in blank or finishing product
公司主要產品有:碳化鎢粉硬質合金輥環頂錘和壓缸冷鐓模無磁合金礦山柱拉絲拉管模棒材板材非標模具及硬質合金精密加工產品等,廣泛應用於鋼鐵標準件金剛石粉末冶金石油礦山磁性材料機械加工電子等行業。The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change
結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超聲波、磁場)介入后,沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化,表現在:鍍液的陰極極化過電位和極化度降低,沉積速度提高;鍍層的結合力、表面質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬度與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強度在能量(超聲波、磁場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。The research work presented in this dissertation provides an efficient approach to analyze the dielectric objects and metal - nonmetal composite objects ’ transient electromagnetic scattering phenomena, as well as a solid foundation for the further development in this subject
本文的工作為分析介質體、金屬非金屬組合目標時域電磁散射現象提供了有效的方法途徑,也為運用時域積分方程求解結構更為復雜、尺寸更為電大的金屬非金屬組合目標的研究打下了堅實的基礎。Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm
最後,分別對三維介質目標、金屬非金屬組合目標散射體表面用三角貼片離散,並在空間上採用rwg基函數,在時間上採用三角型時間基函數、利用阻抗元素的精確演算法計算出阻抗矩陣,再運用mot法分別求解了介質體目標,金屬非金屬組合目標的時域積分方程,並分析了金屬非金屬組合目標分界面上的等效電流與等效磁流的特性。Iterative physical optics is extended to the analysis of electromagnetic scattering by dielectric coated targets. the theoretical model of the extended ipo is formulated by fresnel reflection coefficient. it is applied to analyze the scattering by geometrically simple, electrically large, dielectric coated cavities
將迭代物理光學( ipo )法推廣到非完純導體邊界目標的電磁散射特性分析中,建立了具有阻抗邊界的ipo理論模型,並應用這種推廣的ipo方法分析幾何結構簡單的電大尺寸介質塗敷腔體的電磁散射特性。Since the linear or nonlinear electromagnetic field equations can be written as an infinite - dimensional hamiltonian system, whose solution can be viewed as a hamiltonian flow in the phase space which preserves the symplectic structure in the time direction. such important features should not be neglected during the construction of numerical methods for the field equations
由於線性或非線性的電磁場方程可以轉化成無限維的hamilton系統,其結果可以看作是定義在相空間里的時間上保持辛結構的hamilton流,因而在對場方程構造數值演算法時就不應忽略這樣重要的性質。First, in virtual of identification of flaws is a typical of in - verse problems, proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given. second, the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon. finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near - field measurements and nu - merical simulation are given
由於缺陷的識別是一類典型的反問題,因而首先從時諧電磁maxwell方程和helmholz方程出發,具體地闡述了求解正散射問題的有關方法,包括各種(夾雜)邊界條件下的數值解法,就解的存在性唯一性給予了肯定的回答;隨后對逆散射問題的理論作了簡短的回顧,包括解的唯一性以及非線性不適定積分方程的處理等;然後對均勻介質和非均勻介質的逆散射問題建立了在各種邊界條件下的邊界識別的指示函數方法,鑒于近場數據獲得的重要性,對近場測試時邊界識別的方法給予了相應的證明,並且實現了數值模擬。Orientation relying on magnitism must have error if there is ferromagnetism around the seismometer
當地震計周圍存在鐵磁性物質時,使用傳統的磁定向會引起非常大的誤差。Based on this, a case of typical external self - focusing effect, hot - image, has been analytically and experimentally investigated in this dissertation. the principal work is as follows. ( 1 ) intense laser beam propagation equation, the paraxial wave equation, has been derived
論文的主要內容為如下幾部分: ( 1 )從電磁波的基本傳播方程出發,推導了描述強激光在透明克爾介質中傳輸行為的非線性近軸波動方程。Then we in - vest gate seiberg - witten map, which defines the equivalence relation of the gauge symmetries in different spaces. we also analyse the u ( l ) gauge electromagnetic field in noncommutative space. finally we discuss the ambiguities of seiberg - witten map, and find although that some part of the ambiguities can be absorbed by gauge transformation and hence negligible, the existence of the matter field makes some other parts difficult to be absorbed by gauge transformation or field redefinition
然後利用seiberg - witten映射,我們研究了不同空間的規范對稱性的等價問題,並對非對易空間的電磁場進行了微擾分析,最後我們對seiberg - witten映射的松動進行了討論,研究發現這些松動中的一部分可以由規范變換吸收因而是可以忽略的,由於物質場的存在,另外一部分很難用規范變換和場的重定義吸收。In the case of non-magnetic substances there is only one integral equation.
在非磁性物質的情況下,只有一個積分方程。The effect of the mean field part is similar to that of non - magnetic impurities while the many - particle effect decreases rapidly as temperature increases. from an analytic treatment, connection between the kondo resonance induced by the magnetic impurity and the nanotube parameter is discussed
根據微擾展開的思想,磁性雜質的影響分為平均場效應部分和多粒子效應部分,計算表明前者的作用與非磁性雜質相似,後者的影響隨著溫度升高急劇減小。The magnetic atoms doped are called magnetic impurities and the nonmagnetic semiconductor is called the based material
其中被摻入的磁性原子稱作磁性雜質,非磁半導體稱作基質。If we incorporate a small amount of magnetic atoms into nonmagnetic semiconductor, the properties of the nonmagnetic semiconductor will change and the nonmagnetic semiconductor will exhibit magnetism, consequently diluted magnetic semiconductor will form. we also call it semimagnetic semiconductor ( dms )
在非磁半導體中摻入微量的磁性原子會改變半導體的某些性質,使其呈現出一定的磁性,從而形成稀磁半導體,也稱作半磁半導體( dms ) 。Iso non - magnetic coatings on magnetic substrates - measurement of coating thickness - magnetic method iso 2178 : 1982 ; german version en iso 2178 : 1995
磁性基質上的非磁性鍍層.鍍層厚度的測量.磁性法L. the structures of the films in the as - deposited films, ptco atomic agglomerates are segregated by nonmagnetic c. every agglomerate is about 0. 5um
結構方面:濺射態樣品中物質的分佈是ptco顆粒被非磁性的c分離成三維的分散孤立原子團簇。In addition, the combined effect of a magnetic impurity and a non - magnetic one is analyzed
此外,還對單個磁性雜質與非磁性雜質的復合作用進行了討論。分享友人