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压磁效应
相关语句
  piezomagnetic effect
    From another aspect of piezomagnetic effect—magnetization influencing stress, this paper deals with the seismomagnetie questions.
    本文从压磁效应的另一个方面——磁化对应力的影响,讨论了震磁问题。
短句来源
    This rather strong negative correlation is probably a reflection of the piezomagnetic effect of the magnetic rock under the vicinity of the Miyun reservoir.
    这种较强的负相关可能是密云水库地区地下较强磁性岩石的压磁效应的反映.
短句来源
    The evaluated seismomagnetic anomaly of this earthquake by a piezomagnetic modelling in which the parameters are taken from the results of the present experiment is of the magnitude of 1nT. Hence,the observed anomaly of geomagnetic field of about 10nT at the Liyang Geomagnetic Station before this earthquake could not be piezomagnetic effect.
    根据实验结果估算的由压磁效应引起的震磁异常仅有1nT的量级,由此推测,该地震前,在溧阳地磁台观测到的近10nT的磁异常很可能主要不是由压磁效应引起的。
短句来源
    The generation of the magnetic signals at LF band may be caused by the emission of electrons from the breaking crystals in the rocks,whereas that of ULF band by the piezomagnetic effect.
    微破裂可能产生了偶电层 ,在破裂过程中向外辐射 ,产生了LF频段的磁信号 ,ULF磁信号则主要由压磁效应产生。
短句来源
    Choosing the geomagnetic data in Longyan station and summaring the earthquake examples in Zhang-Hua-Long region as well as using the theoretic explain of piezomagnetic effect to analyze the corresponding relationship between earthquake and geomagnetic abnormity.
    选取龙岩台的地磁资料,总结漳华龙地区震例,用压磁效应、感应磁效应等理论解释、分析地震与地磁异常的对应关系。
短句来源
  piezomagnetic
    Based on the theory of three-dimensional seismomagnetic modelling proposed by the author,Hastie and Staeey,a computation for the Tangshan 1976 earthquake is undertaken. The piezomagnetic anomalies of seven models with different orientations,dip angles and depths of the fault at different magnetic latitudes are compared.
    根据作者与Hastie和Stacey提出的三维压磁效应模式计算方法,围绕1976年唐山大地震,计算了七种不同断层模式的压磁效应,比较了在不同磁纬处,走向滑动断层的不同走向、倾角和埋深在地面上所引起的压磁异常场。
短句来源
    The results imply that to interpret the piezomagnetic effects of earthquakes the sole simple piezomagnetic model of rocks is not enough,while the specific contents of rocks in the seismic regions involved need be considered.
    因此,不能用单一的岩石压磁模式来解释地震压磁效应,须考虑各震源区的不同岩石组成.
短句来源
    From another aspect of piezomagnetic effect—magnetization influencing stress, this paper deals with the seismomagnetie questions.
    本文从压磁效应的另一个方面——磁化对应力的影响,讨论了震磁问题。
短句来源
    This rather strong negative correlation is probably a reflection of the piezomagnetic effect of the magnetic rock under the vicinity of the Miyun reservoir.
    这种较强的负相关可能是密云水库地区地下较强磁性岩石的压磁效应的反映.
短句来源
    The evaluated seismomagnetic anomaly of this earthquake by a piezomagnetic modelling in which the parameters are taken from the results of the present experiment is of the magnitude of 1nT. Hence,the observed anomaly of geomagnetic field of about 10nT at the Liyang Geomagnetic Station before this earthquake could not be piezomagnetic effect.
    根据实验结果估算的由压磁效应引起的震磁异常仅有1nT的量级,由此推测,该地震前,在溧阳地磁台观测到的近10nT的磁异常很可能主要不是由压磁效应引起的。
短句来源
更多       
  piezo magnetic effect
    From another aspect of piezomagnetic effect—magnetization influencing stress, this paper deals with the seismomagnetie questions.
    本文从压磁效应的另一个方面——磁化对应力的影响,讨论了震磁问题。
短句来源
    This rather strong negative correlation is probably a reflection of the piezomagnetic effect of the magnetic rock under the vicinity of the Miyun reservoir.
    这种较强的负相关可能是密云水库地区地下较强磁性岩石的压磁效应的反映.
短句来源
    The evaluated seismomagnetic anomaly of this earthquake by a piezomagnetic modelling in which the parameters are taken from the results of the present experiment is of the magnitude of 1nT. Hence,the observed anomaly of geomagnetic field of about 10nT at the Liyang Geomagnetic Station before this earthquake could not be piezomagnetic effect.
    根据实验结果估算的由压磁效应引起的震磁异常仅有1nT的量级,由此推测,该地震前,在溧阳地磁台观测到的近10nT的磁异常很可能主要不是由压磁效应引起的。
短句来源
    The generation of the magnetic signals at LF band may be caused by the emission of electrons from the breaking crystals in the rocks,whereas that of ULF band by the piezomagnetic effect.
    微破裂可能产生了偶电层 ,在破裂过程中向外辐射 ,产生了LF频段的磁信号 ,ULF磁信号则主要由压磁效应产生。
短句来源
    Choosing the geomagnetic data in Longyan station and summaring the earthquake examples in Zhang-Hua-Long region as well as using the theoretic explain of piezomagnetic effect to analyze the corresponding relationship between earthquake and geomagnetic abnormity.
    选取龙岩台的地磁资料,总结漳华龙地区震例,用压磁效应、感应磁效应等理论解释、分析地震与地磁异常的对应关系。
短句来源
  “压磁效应”译为未确定词的双语例句
    In this paper, it is believed that from the facts observed in the Xingtai (邢台) Earthquake region in China, the local magnetic variations supposed to be associated with some of the earthquakes can hardly be interpretated by the Piezo-maguetic idea.
    本文认为,从我国邢台地震区地震与地磁变化观测的事实出发,用压磁效应很难解释震磁之间的关系.
短句来源
    ②The stress can affect gold enrichment,making it locate in the direction in which the magnetic vector is increased.
    (2 )压力可使矿石矿物出现压磁效应 ,矿石矿物磁性矢量产生各向异性 ,金粒易在磁矢量加大方向发生富集 ;
短句来源
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  piezomagnetic effect
The technique is based on the effect of magnetoelastic memory and piezomagnetic effect in the residually magnetized state of a magnetic material.
      
When strain wave passes through rock, a changing magnetic field due to piezomagnetic effect will propagate at the velocity of sound.
      
The piezomagnetic effect can be used to explain some electromagnetic phenomena produced in the process of earthquakes.
      
Tectonomagnetic modeling based on the linear piezomagnetic effect is reviewed with special attention to dislocation models.
      
Theory of the piezomagnetic effect in titanomagnetite-bearing rocks
      
  piezomagnetic
The technique is based on the effect of magnetoelastic memory and piezomagnetic effect in the residually magnetized state of a magnetic material.
      
A new type of a linear relation between the components of the magnetic field vector and those of the elastic strain tensor (a dynamic piezomagnetic interaction) is proposed.
      
The effect is estimated quantitatively, and the method of experimental determination of the piezomagnetic constant is indicated.
      
An observer based on piezomagnetic equations is constructed to estimate the stress and strain of the magnetostrictive material.
      
In this paper, the problem of two parallel symmetry permeable cracks in functionally graded piezoelectric/piezomagnetic materials subjected to an anti-plane shear loading is investigated by use the Schmidt method.
      
更多          


Piezo-magnetic effect of rock medium is here considered as not the only physical cause of the variation of the geomagnetic field in connection with the occurrence of earthquakes. In this paper, it is believed that from the facts observed in the Xingtai (邢台) Earthquake region in China, the local magnetic variations supposed to be associated with some of the earthquakes can hardly be interpretated by the Piezo-maguetic idea. Therefore, a new idea which is termed as the "Dilatancy-magnetic Effect" has been proposed....

Piezo-magnetic effect of rock medium is here considered as not the only physical cause of the variation of the geomagnetic field in connection with the occurrence of earthquakes. In this paper, it is believed that from the facts observed in the Xingtai (邢台) Earthquake region in China, the local magnetic variations supposed to be associated with some of the earthquakes can hardly be interpretated by the Piezo-maguetic idea. Therefore, a new idea which is termed as the "Dilatancy-magnetic Effect" has been proposed. It is suggested that due to micro-fracture and dilatancy and fluid diffusion processes taking place in the rock medium at the earthquake source, magnetic effects should be given rise.Preliminary calculations under simplified assumptions show that the space distribution on the basis of dilatancy-magnetic effect agrees rather well with the distribution of the magnetic variations actually observed. Some earthquake examples are illustrated.

压磁效应不一定是震磁关系的唯一可能机制.本文认为,从我国邢台地震区地震与地磁变化观测的事实出发,用压磁效应很难解释震磁之间的关系.因此就提出震源区由于岩石介质的微破裂、膨胀的液体扩散引起地磁场变化的设想,并称此种设想为“‘膨胀’磁效应”. 在简化了的假定条件下,初步计算表明,用此假设讨论地震区地磁场变化的空间分布与实际观测的结果较为符合.有一些检验震例.

Under simplified conditions, an estimate of the probable order of magnitude of the piezo-magnetic effect has been made. It follows that magnetic field variations observed before asd after an earthquake is unlikely caused by piezo-magnetic effect in not magnetically anomalous areas. Piezo-magnetic effect is not the only factor giving rise to the variation of the geomagnetic field in connection with the occurrence of earthquakes.The formulas derived from the theory of diffusion current show that the so-called...

Under simplified conditions, an estimate of the probable order of magnitude of the piezo-magnetic effect has been made. It follows that magnetic field variations observed before asd after an earthquake is unlikely caused by piezo-magnetic effect in not magnetically anomalous areas. Piezo-magnetic effect is not the only factor giving rise to the variation of the geomagnetic field in connection with the occurrence of earthquakes.The formulas derived from the theory of diffusion current show that the so-called dilatancy-magnetic effect caused by ground water diffusion is also very small. If the area of ground water diffusion is sufficiently large and the movement of water is very rapid, the dilatancy-magnetic effect may be detected.

在简化条件下,估计了压磁效应的可能量级.由此推知,在非磁异常区,地震前后的磁场变化不一定是压磁效应引起的.压磁效应不是震磁关系的唯一机制.按照渗滤电流理论推出的公式表明,由地下水渗滤作用引起的所谓膨胀磁效应也是很小的.只有渗滤区足够大,地下水剧烈运动,才有可能观测到膨胀磁效应.

This paper is written as requested by the Chinese scientific journal during the author's visit to China in 1983.The author believes that seismic stresses are quite small in magnitude and therefore, their effects must be subtle. Sensitive instruments will be required to detect them. For such disciplines used in many countries for earthquake prediction, as piezomagnetic effect, velocity ratio, strain, tilt, geodetic surveying, electrical resistivity, radon and foreshocks, their nature and prospectiveness are discussed...

This paper is written as requested by the Chinese scientific journal during the author's visit to China in 1983.The author believes that seismic stresses are quite small in magnitude and therefore, their effects must be subtle. Sensitive instruments will be required to detect them. For such disciplines used in many countries for earthquake prediction, as piezomagnetic effect, velocity ratio, strain, tilt, geodetic surveying, electrical resistivity, radon and foreshocks, their nature and prospectiveness are discussed and suggestions made. It is noted that although the argument of Brune(1979) that earthquakes may be unpredictable in principle is forceful, the author is not so pessimistic. The earth's crust may be very inhomogeneous and its behaviour fickle, but that only demands that we have a massive redundancy of data. Several methods and numerous instruments and observations must be used simultaneously. More attention should be given to (1) seismic anisotropy and attenuation, (2) multicoloured laser-ranging, (3) improvements in the signal/noise ratio in tectonomagnetism, (4) use of alternative and more extensive arrays of detector electrodes in resistivity measurements and (5) a careful re-examination of the statistics of foreshock and aftershock sequences.

本文是作者于1983年访华期间接受中国学术刊物的请求而撰写的。文中指出,地震应力在数量上相当小,因此它的效应一定很微妙,需要有灵敏的仪器去觉察它们。文中对压磁效应、波速比、应变、地倾斜、大地测量、电阻率、水氡和前震等各国常用的地震预报手段进行了评价,提出了建议。结论为,虽然注意到了 Brune(1979)关于“在原理上地震可能是不可预报的”强有力的论证,但作者并不那样悲观。认为地壳可能十分不均匀,它的状态可能是多变的,这就要求我们拥有大量数据。所以必须同时使用几种方法和大量的仪器进行观测。更多的注意力应放在:(1)地震波传播的各向异性和衰减,(2)多色激光测距,(3)改善构造磁学中的信噪比,(4)在电导率测量中使用可交替极性的供电极和较大面积的测量极网和(5)对前震和余震序列的统计学分析进行重新仔细检验。

 
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