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two transitions     
相关语句
  两个转变
     On the Two Transitions about Modern Science to Postmodern Scientific Views
     论现代科学向后现代科学观的两个转变
短句来源
     A ferromagnetic-paramagnetic phase transition is observed in the temperature dependence of magnetization, there are two transitions peak in the temperature dependence of resistivity and the high temperature peak in Curie-temperature T_c corresponding the ferromagnetic-paramagnetic phase transition.
     其磁化强度随温度的变化曲线经历了一个从顺磁到铁磁的转变,其电阻率随温度变化曲线出现了两个转变峰,其中高温峰在居里温度T_C对应于顺磁到铁磁的磁转变。
短句来源
     According to the two transitions of the contents and fields and the methods and means at the progress of the development of the western part,it is necessary for the western part to have a new strategically developing path,a regional classification and strategic emphases.
     面对西部大开发的两个转变 ,西部大开发要有新的战略思路、区域分工和战略重点。
短句来源
     Offering FP Quality Service is the Important Way to Bring About“Two Transitions
     开展计划生育优质服务是实现“两个转变”的重要途径
短句来源
     It is suggested that the transition be due to the motion ofPET or PET-rich segments in the non-crystalline region of copolymer. The second group includescopolymers containing more than 60 mole% PHB,in which two transitions appear above room temper-ature.
     这一转变应为共聚酯中非晶区的 PET 链段或富 PET 链段的运动引起,另一类为 PHB 含量大于60mol%的共聚酯,它们在室温以上均出现α_4和α_H 两个转变
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  两次
     The results from δ(~(13)C) and δ(~(15)N ) of sedimented OM in the recent 50 years demonstrated that there existed two transitions of the lake environment respectively in 1950s and 1990s, which is coincident with the instrumental data.
     近50年来不同湖区沉积物有机质δ13C、δ15N反映的湖泊环境演化过程与实际环境检测结果有较好的一致性,20世纪太湖水环境存在50年代及90年代两次较明显转化过程。
短句来源
     Reflections on the Comparison of Two Transitions of Contemporary Chinese Culture
     从近代以来中国文化两次转型之比较引发的思考
短句来源
     The normal education in the United States has tended towards an open and non-directional teacher training model from a close and directional one due to its two transitions at the end of 19th century.
     19世纪后期的美国师范教育经历了两次转型,从而使其从封闭定向式的教师培养模式走向了开放非定向式的教师培养模式。
短句来源
     For the sample with poly(vinyl acetate) based LPAs, the morphology exists two transitions with increasing the LPA concentration.
     对于加入聚醋酸乙烯酯类LPA的试样,试样的固化形态随着LPA含量的增加发生两次明显的转变.
短句来源
     At the same time, the two transitions (from the requirements to SA-based analysis model, namely architectural baseline; from the system's architectural model to OO design and implementation model appropriate to practical development) are also detailedly discussed in the paper.
     其中涉及的两次过渡:从需求到基于软件体系结构的分析模型(体系结构基线),从系统体系结构模型到宜于实际开发的面向对象的设计模型及实现模型,也都是本文要详细阐述的内容。
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  两大转变
     Based on the important significance of the reform in higher mathematics teaching, this paper discusses the two transitions that must be well treated in the reform in higher mathematics teaching and probes into the classroom teaching methodology.
     从高等数学教学改革的重要意义出发,阐述了高等数学改革中必须正确处理好两大转变; 并对课堂教学方法改革进行重要探索。
短句来源
  两次转向
     People expected the three stages and two transitions of the model of government functionaries.
     关于政府人的人性预设经历了三个阶段、两次转向
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      two transitions
    One origin can be traced to the late Miocene while the other two transitions occurred more recently during the Pliocene.
          
    Our analysis shows that for In0.15Ga0.85As/GaAs, the observed two transitions are consistent with either type I or type II alignment of the light hole band for band offset ratios within the accepted range.
          
    It is found that the former optical gain is enhanced extremely by the latter excitonic effect through the coupling between the two transitions.
          
    The use of two transitions resulted in a constant value of bandgap over the entire range of conductivities studied.
          
    The specific wear rate of the pin undergoes two transitions: severe to mild at low load and mild to severe at high load.
          
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    The co-existence of two transition phases β1' and β2' at the initial stage of 165℃ aging of a Mg-5% Zn alloy was shown by means of X-ray diffraction method. The one-dimensional diffraction phenomena of the thin rod-like transition phase β2' were investigated in detail. This transition phase has a hexagonal lattice structure, its long axis is the 6-fold symmetry axis [0001]β'2. The lattice constants of β2' and its orientational relationship with the magnesium matrix are found as follows:

    采用X射线衍射方法,显示出镁-5Wt%锌合金在165℃时效初期有两种过渡相β′_1和β′_2共存。对细杆状过渡相,β′_2的一维衍射现象进行了详细分析。这种过渡相具有六角点阵结构,其[0001]轴是杆的长轴,它的点阵常数及与母相间的取向关系经测定为:a_(β′_2)=13.2,c(β′_2)=5.25,[0001]_(β′_2)∥[0001]_M,<1010 >_(β′_2)∥<1010 >_M。文中还讨论了由β′_2沉淀于基体中产生点阵畸变的问题。

    This paper is the third part of a theory of the coherent propagation of light in semiconductors. Based on the previous papers (Ⅰ) and (Ⅱ)[1], the Maxwell-Bloch equation describing the coherent propagation of light in semiconductors is derived; the equation is then used to discuss a number of possible effects of coherent propagation in both interband transitions and exciton transitions. In particular, the phenomena of self-induced transparency are analysed, and it is shown that the phenomena may occur in the...

    This paper is the third part of a theory of the coherent propagation of light in semiconductors. Based on the previous papers (Ⅰ) and (Ⅱ)[1], the Maxwell-Bloch equation describing the coherent propagation of light in semiconductors is derived; the equation is then used to discuss a number of possible effects of coherent propagation in both interband transitions and exciton transitions. In particular, the phenomena of self-induced transparency are analysed, and it is shown that the phenomena may occur in the above two transitions.

    本文是半导体中光的相干传播理论的第三部分。在前面两篇文章的基础上,推导了光在半导体中相干传播的Maxwell-Bloch方程;利用这组方程,讨论了带间跃迁和激子跃迁两种情况的许多可能的相干传播效应。文中特别着重分析了自感透明现象,证明了对于上述两种跃迁自感透明现象都是可能发生的。

    This paper introduces a highly sensitive experimental device for measuring superconducting transition temperature Tc with alternating-current resistance, using the lock-in amplifier and alternating-current modulating signals. Experimental results show that using not only can this method we measure the samples of eopper-claded wire with larger section, which are difficult to measure by using primary direct-current resistance method but also determine the transition temperature Tc of each phase of...

    This paper introduces a highly sensitive experimental device for measuring superconducting transition temperature Tc with alternating-current resistance, using the lock-in amplifier and alternating-current modulating signals. Experimental results show that using not only can this method we measure the samples of eopper-claded wire with larger section, which are difficult to measure by using primary direct-current resistance method but also determine the transition temperature Tc of each phase of continuous multiphase superconductors respectively. It is found, for instance that there are three transition steps for the transition temperature Tc of multifilamentary Cu-Nb3Sn composites in situ formed: that there are two transition steps for that of lither bronze diffusion stabilized Nb3Sn and that there are two for that of simulating multiphase superconductors with paralleling lead and niobium. The transition curve shows that the amplitude of the transition step of each phase is certainly propertional to the relative content of the phase. The curve is a non-single-valued function and the part of it before Tc is found to possess the apparent property of negative resistance. The transition temperature Tc measured by this method is in excellent agreement with that measured by either the direetcurrent resistance method or the inductance one.

    本文介绍了一种高灵敏度的交流电阻法测量超导体转变温度T_c的实验装置,该装置使用交流调制讯号和锁相放大器.实验结果表明:使用该方法不仅能测量原来直流电阻法难以测量的截面较大的包铜钱材样品,而且能测出连续多相超导样品中的各相T_c.如原位法Nb_3Sn的T_c有三个转变台阶,青铜法稳定化Nb_3Sn有二个转变台阶,铅-铌并联模拟多相超导样品也有二个转变台阶。其转变曲线中各相转变台阶的幅值与各相的相对含量成一定的比例关系,曲线不是单调函数,在T_c前的曲线呈明显的负阻.用该方法测得的T_c值与直流电阻法和电感法所测得的T_c值完全一致.

     
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