非磁化的 的英文怎麼說
中文拼音 [fēicíhuàde]
非磁化的
英文
unmagnetized-
So there is a lot of differences between them. biology magnetic field is small but is closely concerned with certain diseases as bioelectricity. take heart disease for example, abnormity come out both in the bioelectricity of the heart and magnetic field in the heart
生物磁場的強度非常小,而外加磁場的場強比其大得多兩者有天壤之別,生物磁場雖然小,但也和生物電流一樣,與某些疾病的發生有關,如心臟疾病,不僅心臟的生物電流發生異常,心磁場也發生異常變化。Information systems - unformatted 80 - megabyte trident pack for use at 370 tpi and 6000 bpi - general, physical and magnetic requirements
信息系統.使用370tpi和6000bpi的非格式化的80兆位元組三叉組件.物理和磁特性通用要求Magnetic sensors are an important branch that can be used to detect the non - electronically characteristics through the magnetic field. the insb magnetoresistance photoelectric sensor in this paper is designed for the fine measurement of the photosignal of the luminant device. through the sensor, the photo - pulse signal is changed to electric pulse which can provides to other second instruments
通過磁場的無接觸特性,對非電量的測量是磁傳感器應用的一個重要方面,本文所研究的銻化銦磁阻型光電傳感器即是針對于發光物體的光脈沖信號進行高精度無接觸測量的一類傳感器,它可以把光脈沖信號轉換成電脈沖信號,供二次儀表使用。Many planets ( for example, ganymede, mercury, the earth, jupiter and saturn ) and stars ( for example, the sun ) possess intrinsic magnetic fields. the explanation for their existence and variation remains a great challenge to planetary scientists and astrophysicists. this article attempts to review some recent developments and difficulties in the study of magnetohydrodynamics for the electrically conducting fluid interiors of planets and stars. it is the fluid motions, usually driven by thermal convection, that generate and sustain magnetic fields through magnetohydrodynamic processes in planets and stars. in planets, the magnetohydrodynamic processes are strongly affected by the combined and inseparable effects of rotation, magnetic fields and spherical geometry. the key dynamics involves the interaction between the coriolis and lorentz forces. in the sun, it is the solar tachocline, a thin shear flow layer located at the base of the convection envelope, that plays an essential role in the solar magnetohydrodynamic processes which produce the 11 - year sunspot cycle. some results of a new nonlinear three - dimensional solar dynamo model are also presented
許多行星(如木衛三,水星,地球,木星和土星)和恆星(如太陽)具有內部磁場.對這些磁場的存在和變化的解釋對行星科學家和天體物理學家是一個巨大的挑戰.本文試圖總結行星和恆星的導電流體內部磁流體力學研究的新近發展和困難.一般由熱對流驅動的流動通過磁流體力學過程產生並維持在行星和恆星中的磁場.在行星中磁流體力學過程強烈地受到轉動,磁場和球幾何位型的綜合影響.其動力學的關鍵方面涉及科里奧利力和洛倫茲力間的相互作用.在太陽中其流線,即處于對流層的薄的剪切流層在太陽的磁流體力學過程中扮演了一個基本的角色,並由之產生了11年的太陽黑子周期.本文也給出了一個新的非線性三維太陽發電機模型Fe - ni alloy fiber were first prepared in a mixed solution of ferrous and nickelous salts, using kbh4 as a reducing agent. conditions, such as quantity of naoh, concentration of salts, and species of surfactants, of preparation of fe - ni alloy were studied. the result show that fe - ni alloy were soft magnetic materials and they exhibited superparamagnetization at room temperature that have been widely used in industry
本文用液相還原法首次制備出纖維狀的fe - ni合金、球形的fe - co 、 co - ni合金、 fe - co - ni合金粉體材料,並對其性能進行了分析和測試,結果表明:這些合金粒徑小,比飽和磁化強度較大,矯頑力為零,呈現超順磁性,是非晶態的軟磁材料。A non - contact drive and control method on capsule type micro robot was proposed, in which exterior permanent magnet driver was composed of multiple tegular magnetic poles magnetized in radial direction, while interior permanent magnet driver built in robot was in the same structure as exterior one
摘要提出一種以徑向磁化的瓦狀多磁極組成的圓筒式永磁體為外驅動器,以嵌入機器人本體內與外驅動器同磁極結構的永磁體為內驅動器的非接觸式驅動控制方案。Fluxgate magnetometer is a kind of vector magnetometer which has the ability of measuring the components of magnetic field directly. the fluxgate instrument is variometer based on magnetization non - linearity of " soft " magnetic material
磁通門磁力儀是直接測量地磁場分量的矢量磁力儀,是一種基於「軟」磁材料磁化特性的非線性的地磁相對記錄儀器。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。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。Researching into electromagnetic field by the method of numerical calculation has had in mind, but the researcher of non - linear medium electromagnetic field numerical calculation with hysteresis characteristic is slowness. the reason is that it is difficulty to acquire the magnetization characteristic with high accuracy for non - linear medium magnetic material
近幾十年來採用數值方法對電磁場進行分析以取得了豐碩的成果,但對于考慮磁滯特性的非線性介質的電磁場數值分析進行緩慢,其原因是對于非線性介質磁性材料,很難精確的獲取其磁化特性。Control of the magnetism of electroless amorphous alloy coatings
化學鍍非晶態合金磁性的控制The main origin of the perpendicular magnetic anisotropy in tbco amorphous films is the static interaction between the aspheric distribution charges of non - s tb ions and the aberrant crystal field produced in sputtering and deposition process. the magnetic dipole interaction is in a secondary cause
對于tbco非晶垂直磁化膜而言,具有非球對稱電荷分佈的非s態離子tb與濺射沉積薄膜過程中產生的畸變晶格場之間的靜電相互作用構成了tbco非晶薄膜垂直磁各向異性的主要部分, tbco薄膜內的磁偶極相互作用構成了其次要部分。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。The main conclusions are as follows : first of all, applying the conception of flux lines to the theory of electromagnetic field makes abstract electrostatic field visible and intuitive
主要內容和結論可歸納如下:首先,電磁場理論由於引入了力線的概念,從而使得非常抽象的靜電場獲得了形象化的直觀表達。Binding wires for electrical machines ; non - magnetic steel wire, drawn and tinned
電動機械用綁線.非磁化的拉制鍍錫鋼絲6631bpr single - sided unformatted flexible disk cartridge for 6631 - bpr use
單面非格式化的盒式軟磁盤The relation between collisional absorption of the em - wave and the plasma density, plasma collision frequency, and incident wave frequency is obtained
給出了不均勻非磁化等離子體密度、等離子體碰撞頻率、電磁波頻率與碰撞吸收的關系。This paper systematically investigates the collisional absorption of em - wave by a conductive plane covered with inhomogeneous unmagnetized plasmas
摘要研究了非磁化等離子體的碰撞吸收隱身技術機理。A specific method for magnetic recording of bits in which each storage cell comprises two regions magnetized in opposite senses with unmagnetized regions on each side
數據位磁記錄的一種特殊方法,各存儲單元包含兩個磁化區其磁化方向相反,每側有一個非磁化區。The wkb method is used to calculate the amount of reflection coefficient of a plane wave normally ( or obliquely ) incident on a conductive plane covered with inhomogeneous unmagnetized plasmas
用wkb方法給出了垂直入射、斜入射情況下,非磁化不均勻等離子體密度覆蓋導體平板的等離子體對不同頻率電磁波的反射系數。分享友人