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structure and
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  结构
     Systemically Study of Electronic Structure and Properties for Ti-Al Alloys
     Ti-Al合金电子结构和性能的系统研究
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     STUDY ON THE VERTICAL LOAD TRANSMISION THROUGH THE TRACK STRUCTURE AND THE CHARACTERISTICS OF SUBGRADE DYNAMIC STRSSES
     轨道结构垂向荷载传递与路基附加动应力特性的研究
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     The Optimization of Insulation Structure and the Automatic Design of Electromagnetic Scheme of Power Transformer
     电力变压器绝缘结构优化和电磁方案自动设计的研究
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     Seasonal structure and variation of the circulation in the southern South China Sea
     南海南部海洋环流的结构与季节变化
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     Model Complexes of Manganese-Containing Metalloenzyme: Studies on Synthesis, Structure and Properties of Mn(Ⅲ),Mn(Ⅳ) and Mixed-Valence Multnuclear Manganese Complexes
     金属锰酶模型配合物:Mn(Ⅲ)、(Ⅳ)及混合价多核锰配合物的合成、结构及性质研究
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  结构及其
     Study of B2 Gene Structure and Its Expression Change in Colorectal Cancer
     B2基因结构及其在结直肠肿瘤中表达改变的研究
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     Research on Electronic Structure and Structure-Activity Correlationship of Polyoxometalates in Antitumor Activity
     多酸药物电子结构及其与抗肿瘤活性间的关系研究
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     Genomic Structure and Molecular Population Genetics of Rice Stripe Virus
     水稻条纹病毒的基因组结构及其分子群体遗传
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     Theoretical Study on the Structure and Spectroscopic Properties of Carbon Clusters
     碳簇结构及其光谱性质的理论研究
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     Experimental Study on the Effects of Bladder Outlet Obstruction on the Structure and Biomechanical Characteristics of Bladder Detrusor
     膀胱出口梗阻对逼尿肌结构及其生物力学特性影响的实验研究
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  结构与其
     The Composition, Structure and Thermal Stability of Si—N—C Ceramics
     Si-N-C陶瓷的组成、结构与其热稳定性
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     A Study on Polynomial Identity Structure and Its Zeros
     多项式同一性结构与其零点研究
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     Theoretical Study of the Catalyst Structure and the Relation between the Alternative Structure of Copolymer Ligands and Activity
     催化剂分子结构及共聚物配体的交替结构与其催化活性关系的理论研究
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     Relation between Structure and Its Thermal Property of Polyimides
     聚酰亚胺的结构与其热性能的关系
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     In this paper, a lot of literature have been reviewed about the relationship between the structure and the mechanical properties of hydroxy terminated polybutadiene (HTPB) polyurethanes.
     综述了大量有关丁羟聚氨酯弹性体结构与力学性能关系的主要资料,指出,在丁羟聚氨酯弹性体中存在有微相分离的形态结构,这种结构与其力学性能密切相关。
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  “structure and”译为未确定词的双语例句
     Study on Bionic Thermostable Structure and Its Control in Precision Machine
     精密机械仿生热稳定构件研究
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     Studies on Organizational Structure and Economic Performance of Tea Industry
     茶产业组织结构与绩效研究
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     Preparation of Ultrafine Particulars/RPUF and Its Structure and Properties
     超细粒子/RPUF的制备及结构性能研究
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     Numerical Methods of Shakedown Analysis of Soil Structure and Its Applications in Evaluation of Bearing Capacity of Offshore Foundations
     安定性数值分析方法及其在海洋地基承载力评价中的应用
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     Study on Structure and Its Seismic Behavior Development of Chinese Ancient Timber Structure Buildings
     中国古代木构建筑结构及其抗震发展研究
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  structure and
We give criteria for a divisor to be Cartier, globally generated and ample, and apply them to a study of the local structure and the intersection theory of aG-variety.
      
This is done using a descending series associated to the complex structure and the Borel spectral sequences for the corresponding set of holomorphic fibrations.
      
A Theory of Generalized Multiresolution Structure and Pseudoframes of Translates
      
This algorithm has simple structure and is very practical and stable.
      
In this paper a generalized defaultable bond pricing formula is derived by assuming that there exists a defaultable forward rate term structure and that firms in the economy interact when default occurs.
      
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This is a brief report of a preliminary survey of certain rain-bearing systems over China in later spring and summer. In the first part, a general description of the methods of analysis used in this survey is given. As the temperature and wind fields are weak, and the precipitation is heavy, smaller intervals for the isotherms and contours in the constant pressure surface and pseudo-equivalent potential instead of potential temperature in the cross section analysis are used.In the second part, there are descriptions...

This is a brief report of a preliminary survey of certain rain-bearing systems over China in later spring and summer. In the first part, a general description of the methods of analysis used in this survey is given. As the temperature and wind fields are weak, and the precipitation is heavy, smaller intervals for the isotherms and contours in the constant pressure surface and pseudo-equivalent potential instead of potential temperature in the cross section analysis are used.In the second part, there are descriptions of the structure and development of five frequently observed rain-bearing systems i.e. cold front, blocking high and cold vortex, monsoon heat low, warm front and typhoon.The last part consists of discussions of some points of view in synoptic meteorology in China. It is stated that the monsoon precipitation is various in intensity and duration according the large-scale flow patterns. The difference of moisture content in the middle troposphere as a criterion for the identification of equatorial or tropical maritime air mass is proved to be missleading. It is shown that the upper air moist content is high only within the raining region near the polar or equatorial front. To the south of the equatorial front within the so-called equatorial air mass, the moist content in the middle troposphere is as low as within the tropical maritime air mass. It is the convergence and lifting of the tropical air mass which releases the convective instability and induces the surface moist air rising to the middle troposphere. The phenomenon of the forward-inclination of the so-called North-West Trough based on the time cross-section of wind is proved to be a mistake by combining two systems into one trough. The terminology of shear line, and the correct application of synoptic models in weather analysis and forecas-ting are also discussed.

本文是一年来从事夏季降水天气初步普查的简单报告。第一节首先指出所用分析方法与一般国内所通用者,稍有不同。高空等压面分析,取20米作为等高缐间隔,2℃作为等温缐间隔。代替40米及5℃的间隔,以适应夏半年较弱的温度场与气压形势场,在剖面分析中以等假相当位温缐代替位温缐,与等温缐配合以适应降水天气的凝结降水过程。 第二节讨论了五种夏半年基本降水天气系统,即冷锋、阻塞高压与冷涡、季风热低压、 暖锋及有风的结构,并简单地叙述了演变过程。 第三节对某些天气概念提供一些批判性的讨论。根据现已增加的观测材料,论证季风与梅雨是多样性的,决定于大规模的温度场与流场特性,以高空湿度大小区分赤道气团与热带海洋气团,证明是不适当的,因为中国赤道锋降水区域以南,即在所谓南南季风的赤道气团中,中层大气仍是干燥的。降水区域内,中层对流层的大量水份,是由于辐合或抬升的作用,使潜势的对流不稳定性成为现实的不稳定性,而由下层空气上升带上去的。文中还论证了所谓西北槽槽缐前倾是将两个系统混作—个系统的不正确桔果。最后还讨论了切交缐及一般模型在天气分析预报中的应用与限制。

During High-Index Circulation over Far East, A series of cold trough in the upper troposphere may pass over Tibet plateau from the west and move to Eastern China. But in the lower troposphere these troughs are very obscured over the plateau. In this paper the structure and characteristics of these troughs are discussed, and a synoptic example of Feb. 10-12 1956 is given.

在亚洲中部和南部上空平直西风的环流条件下,往往有一个个高空西风带的低压槽从亚洲西部越过西藏高原移到中国东部。这类高空的低压槽在低层对流层大气中表现不很清楚,但在高层对流层中却表现很显著。在本文中对于这类高空槽的结构和性质作了叙述,并举出1956年2月10—12日的一个高空低槽的例子。

The study of the distribution of hydrogen in steel ingots, despite its practical importance, has not received due attention from previous workers. Available experimental results are mainly fragmentary and non-systematic, and therefore many disputable opinions exist. Desirous of investigating this problem in greater details, the authors employed several annealed ingots of high chromium steels which were considered to be particularly suitable because they evolved little gas at room temperature and consequently...

The study of the distribution of hydrogen in steel ingots, despite its practical importance, has not received due attention from previous workers. Available experimental results are mainly fragmentary and non-systematic, and therefore many disputable opinions exist. Desirous of investigating this problem in greater details, the authors employed several annealed ingots of high chromium steels which were considered to be particularly suitable because they evolved little gas at room temperature and consequently the inherent difficulty to avoid the loss of hydrogen during sampling was, to a very large extent, overcome. For this purpose also, suitable apparatus capable of determining relatively small amount of hydrogen was constructed. The results obtained show that the hydrogen distribution in the annealed ingots follows a significant and regular pattern, thus dismissing certain misgiving conclusions based on contradictory results given by previous workers. Although the average hydrogen content of the anealed ingots amounted to not more than half that of the liquid stael, yet in certain parts of their interior the local hydrogen content was found to be higher than that of the liquid steal. This affirms the existence of hydrogen segregation in steel ingots. Moreover, from maps of hydrogen contour lines drawn for the ingots it can be seen that the regions of the highest hydrogen content roughly coincide with the last solification. Indeed, the effect due to certain external irregularities encountered in the course of solification is detectable rather from the hydrogen maps than by the usual method of macro-etching.In the longitudinal or the transverse direction of the annealed ingots, the general trend of hydrogen variation based on average hydrogen content is shown to be governed by the law of hydrogen diffusion. Further examinations reveal that the ingot structure and its internal porosity exert considerable influence upon the distribution. It is likely that hydrogen diffusion may be faster in columnar crystals than in equi-axed crystal regions. The presence of porosities in ingots seems to retard the removal of hydrogen. Such implications have not been sufficiently realized in the past.Based on the discussion of the experimental results, certain immunizing treatment suitable for preventing hairline cracks in certain types of steel is explained.

氢在鋼锭中的分佈是一个具有重要实际意义的问题,但在过去未得到研究工作者足够的重视.本文利用高铬型合金鋼在常温下不损失氢的特点,并建立了適宜的半微量定氢装置,对退火后的鋼锭中各个部位进行了定氢试验。结果证明,氢在鋼锭中的分佈是具有规律性的,指出了前人根据不全面的实验结果所提出的错误结论. 经过退火处理后的鋼锭,其平均含氢量虽然只及原来钢液含氢量的一半,伹在某些局部其含氢量反而高於钢液.这说明钢锭中确有氢的偏析现象存在.根据等氢曲线的分布情况来看,钢锭中氢偏析严重之处大致与最后凝固的部分相符.凝固过程中钢锭一面受到中注管散热的影响,也能从等氢曲线的分佈情况反映出来,而这种影响从低倍检验结果来看是没有能够觉察到的. 从氢含量变化的平均趋势来看,退火钢锭中的氢分佈不管是沿横方向抑是沿縱方向都服从於扩散规律,伹必须考虑到结晶构造和内部缺陷的影响.譬如,沿柱状晶轴方向的氢扩散似乎比等轴晶区域内的氢扩散速度大,而钢锭中心疏松对於去氢则起阻碍作用,过去对於这些方面的了解是不够的. 根据上述结果的分析讨论,本文还为某种防止钢中白点的热处理方法提供了理论上的解释.

 
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