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magnetism
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  磁性
     Magnetism of [Gd 2(pyb) 6(phen) 2(H 2O) 2](ClO 4) 6·2H 2O
     [Gd_2(pyb)_6(phen)_2(H_2O)_2](ClO_4)_6·2H_2O的磁性
短句来源
     Synthesis, Structure and Magnetism of Tetranuclear Mn(Ⅳ) Complex [L_4Mn_4O_6](ClO_4)_4.2H_2O
     四核Mn(Ⅳ)配合物[L_4Mn_4O_6](ClO_4)_4·2H_2O的合成、结构及磁性研究
短句来源
     Hydrothermal synthesis and magnetism of a novel yttrium-iron-substituted sandwich compound [Fe~Ⅲ(phen)_3]_2[As_2W_(18)O_(68){Y(H_2O)_2}_2Fe_2~Ⅲ]
     钇铁取代的夹心型多酸化合物[Fe~Ⅲ(phen)_3]_2[As_2W_(18)O_(68){Y(H_2O)_2}_2Fe_2~Ⅲ]的水热合成及磁性研究
     Structure and Magnetism of R1 - (2T) T5-Type Compounds [(R= rare earth, T = Fe, Co, Ti, V,…), ( = 2/5, 1/2)]
     永磁材料R_(1-δ)(2T)_δT_5型化合物[(R=稀土元素,T=Fe,Co,Ti,V,等过渡金属元素),(δ=2/5,1/2)]的结构和磁性
短句来源
     Study of Magnetism and Transport Property of Perovskite La_(1-x)Na_xMn_(1-y)Fe_yO_3
     La_(1-x)Na_xMn_(1-y)Fe_yO_3体系的磁性及输运性质研究
短句来源
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     Synthesis, Structure and Magnetism of [Nd(ONO 2) 6][Cu(Im)(phen) 2] 2(OH)·4H 2O
     [Nd(ONO_2)_6][Cu(Im)(Phen)_2]_2(OH)·4H_2O的合成、晶体结构及性质
短句来源
     Crystal Structure and Magnetism of Complex [Cu(C_2O_4)(C_(12)H_8N_2)(H_2O)]·2H_2O Having Intermolecular Hydrogen Bond
     含分子间氢键配合物[Cu(C_2O_4)(C_(12)H_8N_2)(H_2O)]·2H_2O的晶体结构和性质
短句来源
     Structure and Magnetism of R1 - (2T) T5-Type Compounds [(R= rare earth, T = Fe, Co, Ti, V,…), ( = 2/5, 1/2)]
     永材料R_(1-δ)(2T)_δT_5型化合物[(R=稀土元素,T=Fe,Co,Ti,V,等过渡金属元素),(δ=2/5,1/2)]的结构和
短句来源
     In this paper, the magnetism core Fe3O_4 have been prepared with Fe(NO_3)_3 and(NH_2)_2·H2O.
     本文首先采用Fe(NO_3)_3和肼溶液((NH_2)_2·H_2O),制备了基质Fe_3O_4。
短句来源
     Preparation and Magnetism of Zn_(1-x)TE_xO (TE=Mn,Co,Cu) Diluted Magnetic Semiconductors Bulk Samples
     Zn_(1-x)TE_xO(TE=Mn,Co,Cu)稀半导体块材样品制备及
短句来源
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  磁学
     Studies on the Preparation and Property in Magnetism of Nanocrystalline PrCo_(1-x)Mg_xO_3
     PrCo_(1-x)Mg_xO_3纳米晶的制备及磁学性质研究
短句来源
     Syntheical review of international progress on magnetism in 1996~1997(Ⅰ)
     1996~1997年国际磁学进展综述Ⅰ一般磁性、非金属磁性和材料及磁共振
短句来源
     Application of Density Functional Theory in Molecular Magnetism 1. Magnetic Coupling Interaction in Oxo-Bridged Iron(III) Dimer [Cl_3FeOFeCl_3]~(2-)
     密度泛函理论在分子磁学中的应用1.单氧桥联双核铁(III)[Cl_3FeOFeCl_3]~(2-)磁耦合作用
短句来源
     Synthetical Review of International Progress on Magnetism in 1995-1996(Ⅰ)
     1995-1996年国际磁学进展综述Ⅰ一般磁性、非金属磁性和材料及磁共振
短句来源
     The phenomena of domain wall pinning in Sm(Co,Cu,Fe,Zr)z magnet has brought extensively studies in magnetism.
     Sm(Co,Cu,Fe,Zr)z磁体中的畴壁钉扎研究一直是磁学领域中的关注点。
短句来源
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  “magnetism”译为未确定词的双语例句
     Syntheses, Characterization and Magnetism of μ-2-Chloroterephthalato Nickel (Ⅱ) Binuclear Complexes
     Syntheses, Characterization and Magnetism of μ-2-Chloroterephthalato Nickel(Ⅱ) Binuclear Complexes
短句来源
     SYNTHESIS AND MAGNETISM OF μ-OXAMIDO COPPER(Ⅱ)- LANTHANIDE(Ⅲ)HETEROBINUCLEAR COMPLEXES
     SYNTHESIS AND MAGNETISM OF μ-OXAMIDO COPPER(Ⅱ)-LANTHANIDE(Ⅲ)HETEROBINUCLEAR COMPLEXES
短句来源
     EXPERIMENTAL STUDIES ON LOW TEMPERATURE MAGNETISM OF THE Gd_3Ga_(5-x)Al_xO_12 SINGLE CRYSTAL
     Gd_3Ga_(5-x)Al_xO_(12)单晶低温磁性的实验研究
短句来源
     Influence of Zn~(2+) on the Magnetism and Permeability-Frequency Spectrum of ZnxFe_(3-x)O_4 Ferrites
     Zn~(2+)对Zn_xFe_(3-x)O_4铁氧体磁性与频谱特性的影响
短句来源
     Tetragonal γ-Fe_2O_3 resulting in magnetism decrease was found in cubic γ-Fe_2O_3 when oxidation was not complete.
     同时发现,当Fe_3O_4氧化不充分时,立方γ-Fe_2O_3中存在四方γ-Fe_2O_3杂相。
短句来源
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  magnetism
The magnetism was determined by Gouy magnetic balance.
      
The stable Fe3O4 magnetic fluid with good magnetism may be produced by one-step method in the W/O microemulsion.
      
Photochemical magnetism of crystalline 2,4,6-triazido-3,5-dichloropyridine
      
The preliminary tests in the field of a permanent magnet showed that the resonance intensities increase in external magnetic fields, indicating that a magnetism of unknown nature develops in the titled compounds.
      
The effect is said to be gigantic because it exceeds in magnitude the magnetoacoustic effects observed previously in magnetically ordered materials even though it is due to nuclear magnetism, which is 105 times weaker than electronic magnetism.
      
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In this paper the writer employs complex Riemannian Geometry and defines the absolute interval between two points as consisting of a real part and an imaginary part. Two postulates (I) and (II) are used: the first may be called law of gravitation and electro-magnetism; the second equation of motion. In the absence of electromagnetic phenomena the theory reduces practically to Einstein's theory.

在此文内,作者利用复变来曼几何以宇宙间两点之距离为一实数及一虚数部分相构而成,於此并用假说:一可称为吸力及电磁定律,一为物体行动定律,解释吸力及电磁力之各种现象。在无电磁现象时,此文与爱因斯坦之吸力理论多相符合至於详细情形,容诸续篇。

This paper presents the results of the remanent magnetic stability test of some orientated Lower Sinian sandstone samples collected in Hsiuning district, Anhwei province. Demagnetization procedure has been carried out on all specimens by alternating magnetic field, and the results show that the natural remanent magnetism of the formation is stable. The direction of the intensity of the mean remanent magnetism is determined as D_r=311° and I_r=76°. Thus, the position of the palaeomagnetic north pole...

This paper presents the results of the remanent magnetic stability test of some orientated Lower Sinian sandstone samples collected in Hsiuning district, Anhwei province. Demagnetization procedure has been carried out on all specimens by alternating magnetic field, and the results show that the natural remanent magnetism of the formation is stable. The direction of the intensity of the mean remanent magnetism is determined as D_r=311° and I_r=76°. Thus, the position of the palaeomagnetic north pole at this age is inferred to be 90°E and 45°N, and the former latitude of the sampling site is 90°-p=63°. On the basis of the results some suggestion on the climatic condition in Hsiuning district during early Sinian period is made.

本文使用交变場退磁方法对安徽休宁地区下震旦统休宁羣砂岩定向标本进行了剩磁稳定性检验,结果表明该岩层的天然剩余磁性基本上是稳定的,并得出它们的平均剩余磁化强度方向D_r=311°,I_r=76°,相应时代的古地极位置λ=90°E,φ=45°N,标本产地在当时所处的古纬度是90°—p=63°。最后,文章肯定了交变場退磁方法对古地磁学研究的重要意义;根据实验结果,对研究地区在早震旦世时的古气候提出了看法。

The paper introduces four fundamental circuit diagrams and their principles of rudder steer follow-up system.With a view to reduce the capacity of electrical machines in the system,the author analyses the function of saturated extent of magnetic circuit of the generator,the non-load characteristic of the excitor and the mechanical characteristic of the motor.Besides,in selecting the capacity of electrical machine,the correct duty rating of electrical machine,working environment and practical resistance-torque...

The paper introduces four fundamental circuit diagrams and their principles of rudder steer follow-up system.With a view to reduce the capacity of electrical machines in the system,the author analyses the function of saturated extent of magnetic circuit of the generator,the non-load characteristic of the excitor and the mechanical characteristic of the motor.Besides,in selecting the capacity of electrical machine,the correct duty rating of electrical machine,working environment and practical resistance-torque curve of the rudder-stock should be taken into consideration. Advanced technique and economical indexes in driving system of the rudder steer can be obta- ined through corrective seleetion of a gear ratio of transmission gear and rate speed of the motor, while an optimum gear ratio depends upon the least stored energy of running parts. In calculation of the transitional state characteristics,the author suggests the rule for discr- iminating the stability of a simplified linear follow-up system.With the help of property equation, further research on the effect of parameters upon stability may be made.For non-linear follow-up systems,the author considers that the electrical-mechinical transitional state of follow-up system may be obtained through the calculation of the differential equations by applying the limited multiplication method in order to observe the performance of driving system and its stability. Based upon practical experience,common problems of regulation and regulated methods have been summarized,of which the regulation of excited windings in the exeitor and the balanced resistors are emphatically pointed out.It has been found that the feed-back winding of the genera- tor has an effective result to reduce remained magnetism of the generator and overcoming“crept” of the motor produced by remained magnetism. The standard series of rudder steer follow-up system should possess the least grade of power,the most universality and the wide range of application.Through practice,the author suggests some circuit diagrams of rudder steer follow-up system and some opinions about the design of electrical machines.

本文介绍了四种基本的舵杌随动控制电力拖动系统的线路和原理。从降低系统中各电机容量的这个要求出发,分析发电杌磁路饱和程度、激磁机空载特性、电动机机械特性对拖动系统中各个电机的容量选择的意义。此外,在选择电机容量时,还必须考虑电机的确切工作制、工作环境和实际的舵杆阻力矩曲线。正确地选择电动机的额定转速和传动装置的传动比,可以获得舵机拖动系统的先进的技术经济指标,而传动装置的最佳传动比是以转动部分储能最少的原则来确定的。在动态特性的计算中,作者提出了简化的线性随动舵机稳定性判别法则,通过其中的特征方程式,还可以研究系统中各参数对于稳定性的影响。对于非线性直流同拍式随动舵机,作者认为采用有限增量法,通过对于十个独立的微分方程的运算,可以描绘出该随动舵机的电气、机械过渡过程,以此便能观察拖动系统的运行过程和稳定性。文章最后,根据实际经验,总结了调整的一般问题和调整方法,其中着重指出对于激磁机二组磁通方向相对的激磁绕组和平稳电阻的调整。经验表明:发电机电压负反馈绕组对于减弱发电机的剩磁和克服由此而产生的电动机的“爬行”会有显著的效果。作者认为随动舵机的标准系列应该具有最少的功率等级、最大的通用性和最大的应用范围。通过初步...

本文介绍了四种基本的舵杌随动控制电力拖动系统的线路和原理。从降低系统中各电机容量的这个要求出发,分析发电杌磁路饱和程度、激磁机空载特性、电动机机械特性对拖动系统中各个电机的容量选择的意义。此外,在选择电机容量时,还必须考虑电机的确切工作制、工作环境和实际的舵杆阻力矩曲线。正确地选择电动机的额定转速和传动装置的传动比,可以获得舵机拖动系统的先进的技术经济指标,而传动装置的最佳传动比是以转动部分储能最少的原则来确定的。在动态特性的计算中,作者提出了简化的线性随动舵机稳定性判别法则,通过其中的特征方程式,还可以研究系统中各参数对于稳定性的影响。对于非线性直流同拍式随动舵机,作者认为采用有限增量法,通过对于十个独立的微分方程的运算,可以描绘出该随动舵机的电气、机械过渡过程,以此便能观察拖动系统的运行过程和稳定性。文章最后,根据实际经验,总结了调整的一般问题和调整方法,其中着重指出对于激磁机二组磁通方向相对的激磁绕组和平稳电阻的调整。经验表明:发电机电压负反馈绕组对于减弱发电机的剩磁和克服由此而产生的电动机的“爬行”会有显著的效果。作者认为随动舵机的标准系列应该具有最少的功率等级、最大的通用性和最大的应用范围。通过初步实践的总结,作者提出随动舵机标准系列的建议线路和对电机设计、装置结构等方面的若干意见。

 
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