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friction period
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  “friction period”译为未确定词的双语例句
     Thus,the teacher's role sense of students teaching technique and teaching skill can be enhanced and mastered gradually in various ways to reduce friction period of joining the teacher's post.
     这样,学生的教师角色意识、教学技能以及教学理论等,才会在方方面面的学习中逐步增强和掌握,有利于缩短日后走上教师岗位的磨合期。
短句来源
     During the friction period, there is no precursory increasing of AE activity before the big stick-slip events.
     摩擦滑动过程中,大的粘滑失稳前未见有AE活动前兆性的增强过程.
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  相似匹配句对
     On Friction
     谈谈摩擦力
短句来源
     Cambrian Period
     寒武纪
短句来源
     the inherited period.
     承袭期三个阶段。
短句来源
     Friction Compensation
     摩擦补偿(象限补偿)
短句来源
     Study on the Fine Structure of the Period-doubling Bifurcation in Friction System
     摩擦系统倍周期分岔细结构的研究
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  friction period
During the friction period, there is no precursory increasing of AE activity before the big stick-slip events.
      
The problem of restoring the heat load of a plain bearing in a nonstationary friction period is solved by temperature measurements within the bushing.
      
Identification of the heat load of a plain bearing in a nonstationary friction period
      
The maximum length considered in our calculation is 123 days, which is the assumed friction period.
      


The present curriculum of art speciality in Higher Teachers'Institute doesn't embody the characteristics of teacher-training properties in earnest,and it is unfavourable to develop the qualified art personnel with high quality.We should set up courses of speciality technology,speciality theory and pedagogy etc to achieve this goal.Thus,the teacher's role sense of students teaching technique and teaching skill can be enhanced and mastered gradually in various ways to reduce friction period of joining...

The present curriculum of art speciality in Higher Teachers'Institute doesn't embody the characteristics of teacher-training properties in earnest,and it is unfavourable to develop the qualified art personnel with high quality.We should set up courses of speciality technology,speciality theory and pedagogy etc to achieve this goal.Thus,the teacher's role sense of students teaching technique and teaching skill can be enhanced and mastered gradually in various ways to reduce friction period of joining the teacher's post.

高师美术教育专业现行的课程设置没有真正地体现“师范性”的特征,不利于培养高素质的美术教学人才。能实现“师范性”的高师美术教育专业的课程设置应体现在专业技法课、专业理论课以及教育类课程等诸方面。这样,学生的教师角色意识、教学技能以及教学理论等,才会在方方面面的学习中逐步增强和掌握,有利于缩短日后走上教师岗位的磨合期。

The spatio-temporal characteristics of acoustic emission (AE) during the deformation of rock samples with compressional and extensional en-echelon faults have been studied. The results show that the pre-existing structure can significantly influence the patterns of AE spatial distribution. With increasing of differential stress, AE events firstly cluster around the two ends of pre-existing faults inside the jog and then along the line joining the two ends. The biggish AE events often occur around one end repeatedly....

The spatio-temporal characteristics of acoustic emission (AE) during the deformation of rock samples with compressional and extensional en-echelon faults have been studied. The results show that the pre-existing structure can significantly influence the patterns of AE spatial distribution. With increasing of differential stress, AE events firstly cluster around the two ends of pre-existing faults inside the jog and then along the line joining the two ends. The biggish AE events often occur around one end repeatedly. The image of AE clusters indicates the direction and the area of the fracture propagation. The direction of the macroscopic fracture in extensional and compressional jogs is perpendicular and parallel to the direction of axial stress, respectively. The weakening process before the fracturing of jog area is remarkable, and one of the typical precursors for the instability is that the cumulative frequency of AE events increases exponentially. After the fracturing of the jog the frequency and releasing strain energy of AE events decrease gradually. During the friction period, there is no precursory increasing of AE activity before the big stick-slip events. The change of b value in jog shows a typical change of decreasing tendentiouslyreturning quickly before the instability. The decrease of b value occurs in the process of stress increasing and sometime goes down to the weakening stage, and the quick increase b values appears in a short time just before the instability. The comparative analysis shows that the difference in b value due to the different structures is larger than b value variation caused by increase of the differential stress. For the same sample, the temporal sequence of AE is strongly affected by the mechanical state, and the high loading velocity corresponds to the high release rate of strain energy and low b value. Due to its lower failure strength, the broken area is sensitive to small changes in differential stress. Therefore, it offers a potential explanation for the phenomena of precursory window or sensitive point and separation of seismic source and precursors.

着重研究拉张或挤压型雁列式断层标本变形过程中声发射(简称AE,下同)的时空演化特征. 结果表明,预置构造对AE空间分布格局具有较强的控制作用,随着差应力的增加,AE首先在两个端点附近丛集,之后向两端点连线附近集中,出现明显的破裂局部化现象,较大事件还通常集中于某一端点附近反复发生. 前期微破裂丛集图象指示后期宏观破裂的扩展方向及扩展范围. 拉张和挤压型雁列区宏观破裂方向分别与轴向应力方向垂直和平行. 雁列式断层标本变形过程中,破裂前的弱化阶段相对较长、弱化过程明显. 微破裂事件累积频次指数增长可能是系统失稳前的典型征兆之一,而雁列区宏观破裂之后,AE数量逐渐减少、应变释放相对减弱. 摩擦滑动过程中,大的粘滑失稳前未见有AE活动前兆性的增强过程.雁列区的b值变化在失稳前显示“趋势性降低—快速回升”这一典型的变化过程,“b值降低”一般发生在差应力增强过程之中,并有可能延续至弱化阶段,而“快速回升”则一般发生在破裂失稳前的短时期内. 对比研究表明,构造差异所导致的b值差异远大于b值随差应力的增加而产生的变化量,而对同一构造标本,力学状态的改变会导致AE序列时序特征的急剧变化,较高的加载速率对应较高的应变能释放及明显...

着重研究拉张或挤压型雁列式断层标本变形过程中声发射(简称AE,下同)的时空演化特征. 结果表明,预置构造对AE空间分布格局具有较强的控制作用,随着差应力的增加,AE首先在两个端点附近丛集,之后向两端点连线附近集中,出现明显的破裂局部化现象,较大事件还通常集中于某一端点附近反复发生. 前期微破裂丛集图象指示后期宏观破裂的扩展方向及扩展范围. 拉张和挤压型雁列区宏观破裂方向分别与轴向应力方向垂直和平行. 雁列式断层标本变形过程中,破裂前的弱化阶段相对较长、弱化过程明显. 微破裂事件累积频次指数增长可能是系统失稳前的典型征兆之一,而雁列区宏观破裂之后,AE数量逐渐减少、应变释放相对减弱. 摩擦滑动过程中,大的粘滑失稳前未见有AE活动前兆性的增强过程.雁列区的b值变化在失稳前显示“趋势性降低—快速回升”这一典型的变化过程,“b值降低”一般发生在差应力增强过程之中,并有可能延续至弱化阶段,而“快速回升”则一般发生在破裂失稳前的短时期内. 对比研究表明,构造差异所导致的b值差异远大于b值随差应力的增加而产生的变化量,而对同一构造标本,力学状态的改变会导致AE序列时序特征的急剧变化,较高的加载速率对应较高的应变能释放及明显的低b值. 先期破碎带由于较低的破坏强度,其对差应力的

 
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