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gradient
相关语句
  梯度
    The Practical Improvement of Forward and Inversion Technique on Aeromagnetic Gradient Data and Its Application
    航磁及梯度数据正反演解释方法技术实用化改进及应用
短句来源
    TEMPERATURE GRADIENT IN COLD-SEAL PRESSURE VESSELS
    冷封式高压釜的温度梯度
短句来源
    Normalized total gradient method of gravity
    重力归一化总梯度
短句来源
    AN APPROACH OF CALCULATING THE DEPTH FROM HORIZONTAL GRAVITY GRADIENT (△gx) ANDITS GEOLOGSCAL REASONING
    利用重力水平梯度△gx计算深度的方法及地质效果
短句来源
    The application of normalized gravity gradient in hydrocarbon exploration
    重力归一化总梯度法在寻找油气中的应用
短句来源
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  斜率
    (2) The chondrite,normalized REE patterns show a negative gradient and the average LREE/HREE ratios of the three cores are 37. 36, 26. 33 and 17. l6, reflecting higher LREE contents in these sediments. But the REE curve normalized by North America shales (NASC) is a horizontal one.
    ②REE球粒陨石标准化的分布模式曲线表现为负斜率,富集轻稀土,WP1、WP2和WP40孔LREE/HREE比值平均值为37.36,26.33和17.16,页岩标准化曲线大致呈水平;
短句来源
    the probability curve based on thin section size analysis is almost totally composed of saltation population with high gradient which indicates high sorting index.
    薄片粒度测量作出的概率图几乎全为跳跃总体,其斜率高,分选较好。
短句来源
    The anomalous phenomenons associated with the geomagnetism and meteorologic before Beibuwan earthquakes are discussed. The initiative result shows that some of the geomagnetic parameters were abnormal sequentially from almost half a year to several days before the earthquake,such as the gradient(K) of geomagnetic characteristic line,the correlation coefficient(r) on geomagnetic zcomponent and the displacement of "Double bottom" on day range of z-component.
    探讨了北部湾地震前地磁和气象的异常现象,初步结果表明,震前几个月至数天,地磁垂直分量的相关系数r值、特征线斜率K值以及Z日变形态双低点位移先后出现短临异常。
短句来源
    The paper gave the theoretical model of the 4 points group gradient information method,analyzed the results of the short range leveling at Datong station,proved that the obvious medium and short range anomalies occurred before the moderately strong earthquakes;
    给出4点组斜率信息法的理论模型,分析了大同台短水准测量结果,证明几次中强地震前大同台短水准均有明显的中、短期异常;
短句来源
    Qoima orthophyre is an intrusive of Himalayan orogenic period, with relatively high content of bulk alkali (K 2O>Na 2O) and comparatively high ratio of LREE to HREE. The REE model is of right_inclined type with fairly great gradient. In addition, the accessory mineral assemblage can be assigned to the spatite-sphene-magnetite type.
    雀莫正长斑岩全碱含量较高且K2 O >Na2 O ,富集大离子亲石元素 ,轻重稀土元素比值较高 ,稀土元素配分曲线呈斜率较大的右倾式 ,副矿物组合为磷灰石 -榍石 -磁铁矿 ,时代属喜马拉雅期 ,构造上属造山晚期侵入体
短句来源
  “gradient”译为未确定词的双语例句
    SEISMOTECTONIC ANALYSIS OF THE GRAVITY ANOMALY GRADIENT BELT IN EASTERN CHINA
    中国东部重力梯级带的地震地质分析
短句来源
    A NEW METHOD OF THE CALCULATION OF PALEOGEO- THERMAL GRADIENT——METHOD OF Y_(ij) CALIBRATION COEFFICIENT
    一种新的古地温梯度计算方法——Y_(ij)校正系数法
短句来源
    Gravity and gravity gradient changes caused by a point dislocation
    Gravity and gravity gradient changes caused by a point dislocation
短句来源
    Investigation of the electrical conductivity beneath China using geomagnetic spatial gradient method
    Investigation of the electrical conductivity beneath China using geomagnetic spatial gradient method
短句来源
    Study about the shaft resistances of piles in different loading ways by hydraulic gradient test
    不同受载方式下桩侧阻的渗水力模型试验研究
短句来源
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  gradient
A convexity theorem for noncommutative gradient flows
      
In this survey we shall prove a convexity theorem for gradient actions of reductive Lie groups on Riemannian symmetric spaces.
      
In the final section the theorem is applied to gradient actions on other homogeneous spaces and we show, that Hilgert's Convexity Theorem for moment maps can be derived from the results.
      
We observe that our methods clearly show that the restriction p>amp;gt;2n/n+1 is closely related to cancellation and size properties of the gradient of the Poisson kernel.
      
A new generalized gradient projection type algorithm for linearly constrained problems
      
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In order to study the deep crustal structure of the Central part of North China Plain, a profile of deep seismic sounding has been made. This profile starts from Yuanshih Hsien (元氏县), Hopei Province, at its west end and Tsinan, Shantung Province at its east end. The total length is about 270 km.On the profile are 9 shooting points, constituting a continuous system of observations by correlative meeting and pursuing recording. Based on the kinematic and dynamic characteristics of the waves, we can recognize many...

In order to study the deep crustal structure of the Central part of North China Plain, a profile of deep seismic sounding has been made. This profile starts from Yuanshih Hsien (元氏县), Hopei Province, at its west end and Tsinan, Shantung Province at its east end. The total length is about 270 km.On the profile are 9 shooting points, constituting a continuous system of observations by correlative meeting and pursuing recording. Based on the kinematic and dynamic characteristics of the waves, we can recognize many primary reflected and head waves, together with multiple reflected waves. In this region, the crust can be divided into seven layers of alterate higher and lower velocities. The overage thickness of the crust is 35-36 km. The overlying material has an average velocity of 6.0 km/sec, while the layer velocity of the top of upper mantle is 8.1 km/sec.In this region, the crust is composed of an inhomogeneous medium of many layers. It consists of intercalated layers of high velocity gradients.Finally, it is given here the velocity distribution in the crust and in the upper mantle together with a model of the crust.

为了研究华北平原中部地区的深部地壳结构,进行了地壳测深的剖面工作。该剖面西起河北省元氏县,东至山东省济南市郊,全长达270余公里。 全线分布九个爆炸点,构成了相遇和追逐的连续观测系统。根据波的运动学和动力学特点记到了很多一次反射波和一次首波,同时亦存在着多次波。该区地壳分为七个层次,且由高低速相间的介质组成。地壳的平均厚度为35—36公里,上覆介质的平均速度为6.0公里/秒,上地幔顶部介质的层速度为8.1公里/秒。 该区地壳为不均匀的多层结构,并存在着高速梯度夹层。 文中最后给出了地壳和上地幔顶部的综合速度分布和地壳模型。

Ground deformation took place before and after the Haicheng Earthquake of magnitude 7.3. During the few decades before the, earthquake vertical crnstal movement was observed over a very broad area around the earthquake region and the epicenter of the earthquake happened to be situated at a place where two belts of steep gradients of vertical movement intersect. During the 18 months before the earthquake the short levelling base line at the Jin Xian (金县) station, about 200 kms from the epicenter, recorded...

Ground deformation took place before and after the Haicheng Earthquake of magnitude 7.3. During the few decades before the, earthquake vertical crnstal movement was observed over a very broad area around the earthquake region and the epicenter of the earthquake happened to be situated at a place where two belts of steep gradients of vertical movement intersect. During the 18 months before the earthquake the short levelling base line at the Jin Xian (金县) station, about 200 kms from the epicenter, recorded a set of data involving several stages of crustal deformation : the initial stable state of the ground surface, then beginning of tilting in one direction, followed by tilting in the opposite direction and stages of rapid tilting and finally slow variation of the tilt direction. Such a sequence of observations provided one of the bases for intermediate and short term prediction of the Haicheng Earthquake. Surveys made after the earthquake give the magnitude and the area of the deformation associate with the earthquake. The stress condition inferred from crustal deformation observation seems to be in good agreement with that inferred from other observations.In The Haicheng Earthquake prediction, a rather successful attempt was carried out in a way by combining observations of crustal deformation at fixed stations, along lines arid over a broad area and also combining closely with other kinds of observations.

海城7.3级地震发生前后,震区及其周围的地表都显示了明显的变动。震前几十年内,已存在大面积垂直形变,而震中正处于两条地形变高梯度带的交汇处。在震前18个月内,距离震中约200公里的金县台短水准测量记录到了地形变从平稳—开始倾斜—反向—加速—缓慢转向这样一组资料,为这次地震的中、短期预报提供了依据。震后的测量资料给出了这次地震引起的地形变的幅值和范围。由地形变资料推知的地震时地壳的应力状态与从其他观测资料所推知的相当一致。 在这次海城地震预报的实践中,地形变观测采用了点、线、面相结合的方式,并与其他观测紧密配合,是预报大地震的一次较为成功的尝试。

This paper deals with the data of chemical analysis of 27 samples collected from the region of Junan and Rizhao, Shandong province, among them 8 are eclogites, 2 pyro-xenites, 11 clinopyroxenes and 6 garnets.Based upon their mineralogical and petrochemical characteristics, two types of eclogites can be recognized, e. g. basic and ultrabasic. They are closely related to the ult-rabasic intrusions emplaced in Precambrian metamorphics.Judging from the P-T conditions estimated by Fe++-Mg being distributed between...

This paper deals with the data of chemical analysis of 27 samples collected from the region of Junan and Rizhao, Shandong province, among them 8 are eclogites, 2 pyro-xenites, 11 clinopyroxenes and 6 garnets.Based upon their mineralogical and petrochemical characteristics, two types of eclogites can be recognized, e. g. basic and ultrabasic. They are closely related to the ult-rabasic intrusions emplaced in Precambrian metamorphics.Judging from the P-T conditions estimated by Fe++-Mg being distributed between coexisting clinopyroxenes and garnets in eclogites as well as the average thermal gradient of Precambrian shield it is concluded that the basic eclogite might have originatedat a depth of 100km. whereas the ultrabasic eclogite at a depth of 40-60km.

本文提供了有关莒南、日照地区榴辉岩类的地质产状、岩石矿物特征以及岩石和矿物的化学分析结果。根据所得资料将榴辉岩分成两类并估计了它们的形成条件和来源。

 
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