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model and mechanism
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  模式与机制
     Exploring the Model and Mechanism of Training Talents for Industry and Education Linkage on Vocational and Technical Education
     高职高专教育产学结合人才培养模式与机制的探讨
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     It contains a change of cognition model and mechanism from planed economy to market economy.
     从计划经济体制转向市场经济体制,包含着认识模式与机制的转变。
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     It defines the concepts of model and model of running higher schools, differentiates and analyzes such relevant concepts as model and form, model and system, model and mechanism, etc, analyzes four basic key elements-goal, structure, system and mechanism of the model, and classifies various models on this basis.
     界定了模式和高校办学模式的概念,辨析了模式与形式、模式与体制,以及模式与机制等相关概念,剖析了高校办学模式的四个基本要素——目标要素、结构要素、体制要素和机制要素。
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     On the Model and Mechanism of Governing the state——A Comparison of the Advantages and Disadvantages of the Rule by Man,the Rule by law, the Rule by Law and Morality
     论治国模式与机制——人治、法治、德法兼治利弊之比较
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     Study on the Model and Mechanism of Sustainable Development of Ecological Agriculture in the Ecological Vulnerable Region
     生态脆弱带生态农业可持续发展模式与机制研究——以重庆三峡库区为例
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  模式及机制
     On the Notion,Model and Mechanism of the Cultivation of Innovative Talent
     关于创新人才培养理念、模式及机制的探讨
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  “model and mechanism”译为未确定词的双语例句
     The ternary compounds: RE(BAPHDCA) 2 (ClO 4) 3·4H 2O(RE=La,Sm,Yb), La(BAPHDCA)(NO 3) 3·4H 2O and Zn(BAPHDCA)(ClO 4) 2·2H 2O,which are incongruently soluble in water, were discussed on their composition, coordination model and mechanism of thermal decomposition.
     对体系中形成的5 个固液异组成的三元化合物:RE(BAPHDCA)2(ClO4)3·4H2O(RE= La,Sm ,Yb)、La(BAPHDCA)(NO3)3·4H2O和Zn(BAPHDCA)(ClO4)2·2H2O的组成、可能结构、配位方式及热分解机理作了初步探讨;
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     A Mathematical Model and Mechanism of Aqueous Phase SO_2 Catalytic Oxidation
     SO_2液相催化氧化的数学模型和催化机理
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     Study of a Synergetic Model and Mechanism of Agile Enterprises
     敏捷企业协同模型及机理研究
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     Incentive model and mechanism for legal person of highway construction project
     公路建设项目法人激励模型与机制
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     The Finite Element Model and Mechanism Analysis for Burr Formation in Metal Cutting
     金属切削毛刺形成的有限元模型及机理分析
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  model and mechanism
A model and mechanism are proposed, based on the relative motion of the extruded aluminum particles, to explain this effect.
      
Physical model and mechanism of charge-carrier transfer in tungsten silicide-silicon contacts
      
Model and mechanism of erosive destruction of refractories at high temperature
      
These patterns can serve as a basis for model and mechanism identification.
      
Kinetic model and mechanism for selective pseudoionon hydrogenation on rhodium-containing polymer catalysts
      
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Spectral observations of Nova Delphini were made at Purple Mountain Obser- vatory from July 22 to October 5,1967.Dispersion of the spectrograms is about 153A/mm at H_γ.In this paper its spectral characteristics and changes are described. The expansion velocities of the envelope are derived,and the speetrophotometric mea- surements are presented. From an analysis of the results,it is concluded: 1.Comparing the spectral feature of Nova Delphini with mainly the pre-maxi- mum spectrum of DQ Her,the only Nova observed...

Spectral observations of Nova Delphini were made at Purple Mountain Obser- vatory from July 22 to October 5,1967.Dispersion of the spectrograms is about 153A/mm at H_γ.In this paper its spectral characteristics and changes are described. The expansion velocities of the envelope are derived,and the speetrophotometric mea- surements are presented. From an analysis of the results,it is concluded: 1.Comparing the spectral feature of Nova Delphini with mainly the pre-maxi- mum spectrum of DQ Her,the only Nova observed With complet spectral data,we find some common characteristics of the pre-maximum spectral variations of these Novae as follows: (a)The expansion velocity of envelope decreased with time and approached a constant value. (b)The color temperature of Nova decreased gradually only With minor fluctua- tions. (c)The intensities of some emissions lines,of which the excitation potentials or ionization potentials are higher,had a tendency to decrease relative to their con- tinuous background. The characteristics described above must be taken into consideration in the investigation of the model and mechanism of the nova explosion. 2.The fact that the spectral variations of Nova Delphini have the pre-maximum characteristics during the protracted maximum stage,supports the following hypothe- sis adopted by W.C.Seitter:“In slow novae the pre-maximum halt which is normally of short duration or absent appears to be protracted as a direct function of the slowness of the nova.” 3.The hypothesis of continuous ejection may explain the behaviour of the pre- maximum spectral variation of Nova Delphini satisfactorily.

本文对1967年海豚座新星12月极大前光谱作了分光光度测量,测定了壳层膨胀速度.分析测量结果,提出如下看法:一、归纳出新星极大前光谱变化有三个共同的特征.这些特征是:1.壳层膨胀速度逐步减小,并渐趋稳定;2.色温度总的趋势是下降;3.某些电离电位或激发电位相对较高的元素的发射线,其相对于连续谱的强度也有下降的趋势.二、海豚座新星特征有利于把其平坦极大阶段看成是极大前休止的假设.三、用连续物质流的假设可以满意地解释我们所观测到的新星极大前光谱变化的特征.

An overview about molecular beam epitaxy(MBE) technique is introduced in this paper. A comparison is made between MBE and other crystal growth techniques such as LPE and VPE, The growth model and mechanism of MBE are highlighted and the fundamental theory on MBE growth is summed up and outlined, Finally several examples of MBE application are briefly described.

本文介绍了分子束外延技术概况,并和液相外延,气相外延等晶体生长技术做了比较。着重介绍了分子束外延的生长模型和机理并对生长的基础理论做了归纳和概括。最后简述了这项技术的几项应用实例。

Fast fine structure (FFS) with millisecond time scale in microwave bursts is a newly discovered phenomenon. Up to now the observational results of FFS are insufficient for research in depth and in detail.A kind of FFS, the microwave millisecond spike (MMS) group with duration of over ten seconds at 10 cm wavelength during the impulsive phase of flare-burst event has been observed. The microwave millisec6nd spike groups have the following properties:1) They appear to be impulsive bursts of type 8S (simple impulse...

Fast fine structure (FFS) with millisecond time scale in microwave bursts is a newly discovered phenomenon. Up to now the observational results of FFS are insufficient for research in depth and in detail.A kind of FFS, the microwave millisecond spike (MMS) group with duration of over ten seconds at 10 cm wavelength during the impulsive phase of flare-burst event has been observed. The microwave millisec6nd spike groups have the following properties:1) They appear to be impulsive bursts of type 8S (simple impulse with a duration of less than 1 min.) on slow speed recordings (with a time contant of 1 to 2 second). The FFS of one impulse appeared at 0815 UT. of May 16, 1981 was recorded. That was a MMS group with long duration. The counterparts of this MMS group have been found at 2.0, 3.75 and 9.4 GHz (courtesy of Dr. S. Enome, Toyokawa Observatory, Japan), 2.84 (Beijing Astronomical Observatory), 3.0 (Purple Mountain Observatory), and 3.65 GHz (Yunnan Observatory) bands. The identification is reliable, because of not only in almost same time but also with similar modulation with a period of about 2.5-3.0 sec. on the repetition rate of spike in this MMS group and the time profile at 2.0 GHz. Consequently, using spectral characteristics of these impulses, some characteristics of this kind of FFS superimposed on solar microwave bursts can be studied and discussed.2) The simple impulses drifted from low frequency to high frequency (referred to as a positive frequency-drift) and the frequency drift rate increases with frequency. The mean value between 1.0-9.4 GHz is 644 MHz/s.3) The amplitude of the simple impulse is strongly attenuated between the wavelengths of 8 to 10 cm.4) The starting frequencies of these impulses are between 1.0 and 2.0 GHz in the beginning parts of the series and gradually decrease to less than 1 GHz at the end. Correspondingly, the peak frequencies of the impulsive spectrum decrease gradually from about 2.84 down to less than 1 GHz.5) The microwave millisecond spike groups occur often in complex active regions with6 configuration magnetic field exceeding 2500 G.6) There exist close correlations between these MMS groups, hard X-ray bursts and the "BLIPS" proposed by A. Benz in the decimeter band.7) The results of analysis may be explained using the model and mechanism given in section IV and Fig. 6. During the impulsive phase of a flare, the emerging flaring magnetic loop and the acceleration region A are continually rising along with the development of the event. As the top of this loop rises to position 1, the nonthermal electrons injecting to it from A will gyrate around the magnetic field lines and emit a group of MMS by the mechanism of electron cyclotron maser.These results provide a strong evidence for the model suggested by us in [8, 9] .

本文介绍了北京天文台观测到的太阳射电10厘米波段的毫秒级快速精细结构(FFS)中一类有长持续时间的尖峰(我们称毫秒时标记录上陡升陡降图形为“尖峰”,称秒级时标的记录上的陡升陡降图形为“脉冲”)群事件。这一类微波毫秒尖峰群(MMS)事件具有一系列显著的特点: 1)它在秒级时间常数的慢速记录上常常对应一8S型(持续时间小于1分钟的脉冲)的爆发。因而利用脉冲的频谱特性,对这一类微波爆发中的毫秒精细结构的特征及可能的机制进行探讨,以弥补目前只能在一个波段上观测FFS事件的缺陷。 2)这一类脉冲爆发具有从低频向高频的频漂(正的频漂),而且频漂的速率随频率带增加而增加。 3)脉冲的幅度在波长8—10厘米间受到强烈的衰减。 4)脉冲群中的每一脉冲的极大频率及起始频率从高频逐渐移向低频,意昧着激发源逐渐上升。估计上升速度约为50公里/秒。 5)这类脉冲常常出现在有δ型磁结构、最大磁场强度大于2500高斯的复杂活动区中,可能有不同级别的耀斑与之对应。 6)这类脉冲与硬X线爆发事件、分米波段快速频漂事件及“BLIPS”事件见文[7]有密切的关系。 7)这一类微波快速尖峰群事件可以解释为来自耀斑-爆发事件中形成的电子加速中心的快速...

本文介绍了北京天文台观测到的太阳射电10厘米波段的毫秒级快速精细结构(FFS)中一类有长持续时间的尖峰(我们称毫秒时标记录上陡升陡降图形为“尖峰”,称秒级时标的记录上的陡升陡降图形为“脉冲”)群事件。这一类微波毫秒尖峰群(MMS)事件具有一系列显著的特点: 1)它在秒级时间常数的慢速记录上常常对应一8S型(持续时间小于1分钟的脉冲)的爆发。因而利用脉冲的频谱特性,对这一类微波爆发中的毫秒精细结构的特征及可能的机制进行探讨,以弥补目前只能在一个波段上观测FFS事件的缺陷。 2)这一类脉冲爆发具有从低频向高频的频漂(正的频漂),而且频漂的速率随频率带增加而增加。 3)脉冲的幅度在波长8—10厘米间受到强烈的衰减。 4)脉冲群中的每一脉冲的极大频率及起始频率从高频逐渐移向低频,意昧着激发源逐渐上升。估计上升速度约为50公里/秒。 5)这类脉冲常常出现在有δ型磁结构、最大磁场强度大于2500高斯的复杂活动区中,可能有不同级别的耀斑与之对应。 6)这类脉冲与硬X线爆发事件、分米波段快速频漂事件及“BLIPS”事件见文[7]有密切的关系。 7)这一类微波快速尖峰群事件可以解释为来自耀斑-爆发事件中形成的电子加速中心的快速非热电子流向下运动穿入一耀斑环激起的电子迴旋脉泽辐射。

 
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