韌性因數 的英文怎麼說

中文拼音 [rènxìngyīnshǔ]
韌性因數 英文
toughness factor
  • 韌 : 形容詞（不易折斷; 柔軟而結實） pliable but strong; tenacious; tough
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 因 : Ⅰ動詞[書面語] （沿襲） follow; carry on Ⅱ介詞1 [書面語] （憑借; 根據） on the basis of; in accord...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 韌性 : 1. （指頑強持久的精神） tenacity 2. [力學] toughness; ductility; ductibility
  1. The existence theorem of contractible edges in h - connected graphs

    關于圖的孤立韌度與分數因子存在性的若干結果
  2. The paper introduces that under special technology condition, nona material infiltrates through matrixes of machinery parts to refine crystal grains, increase matrix tenacity, strength and hardness, reduce friction factors and high performance and long lifetime machinery parts are manufactured

    本文介紹在特定的工藝條件下，將納米材料滲入到機械零件的基體中，使基體材料晶粒細化，韌性增加，強度增加，硬度增加，磨擦因數降低，從而製造出了高性能長壽命的機械零件。
  3. Isolated toughness and the existence of fractional factors

    圖的孤立韌度與分數因子的存在性
  4. Lwac is becoming one of the important trends in the development of modern concrete. to solve the problems such as poor workability, large shrinkage value and crack easily of lwac, on the basis of systematic experiments, the author establishes lwac workability evaluation system and advances the testing method of pumping performance of lwac ; the control technology of discrete of lwac is introduced through analyzing structure formation process and establishing the mathematic model ; based on studying the strength source of lwac and the function mechanism of artificial additive, this paper not only confirms some major factors which affect concrete strength but explores the preparation technology route of high strength lwac ; the different effects of several fibers in lwac have been studied, and the fiber is introduced in pumping lwac to improve its crack - proof performance

    本文針對輕集料混凝土工作性能差、收縮變形大、易於開裂等問題，根據大量實驗建立了高強輕集料混凝土工作性能的評價體系，提出了高強輕集料混凝土可泵性的測試方法；通過分析輕集料混凝土的結構形成過程，建立了輕集料混凝土拌和物物料運動的數學模型，提出了防止輕集料混凝土分層離析的技術措施；通過對輕集料混凝土強度來源和礦物摻合料的作用機理的深入研究，確定了影響輕集料混凝土強度因素的主次關系，提出了配製高強輕集料混凝土的技術路線；研究了纖維在輕集料混凝土中的增強增韌、減少收縮的作用機理。
  5. From the experimental results, we studied the relationship between the diameter of fiber, the composition of s s and the impacts upon the electromagnetic parameter of fibers. get following conclusions : both the complex permeability and the complex permittivity of ss fibers decreased with the increase of diameter in some region, the complex permittivity of 304 ss fibers, 2 m in diameter, could be up to 2. 5 at the 2 ghz, the 302 ss fibers had better frequency dispersion properties than others, agreed with the requirements of the wide - band radar absorbing material in the range of 2ghz ~ 12ghz

    西安建築科技大學碩士學位論文討論了影響不銀矜岡纖維電磁參數的幾個因素，實驗結果出發研究了纖維直徑、成分對纖維電磁參數的影響，得到以下結論:不鉀練岡纖維的微波磁導率隨纖維直徑的減小而增大; 2微米的304不銹鋼纖維的復數磁導率p 』 『在zgi ]吃處達到2 . 5 ; 302不韌矜岡纖維電磁勝能明顯優于其它兩種，且頻譜特性在2 ~ 1zghz范圍內符合對吸收劑頻譜特性的要求。
  6. Taking in - situ toughened silicon nitride as a design object, principle component analysis ( pca ) is applied to study the microstructure and mechanical properties, to find out the main microstructure controlling factors, and to simplify the characterization variables and criterions ; fuzzy neural networks ( fnns ) is also applied to develop a design expert system for this material, which can realize the forward prediction from processing, microstructure to mechanical properties, and backward design from mechanical properties or microstructure to processing ; monte - carlo method is applied to simulate the grain growth of this material, and then crack propagation is simulated, which is another way based on physics and chemistry to developing prediction models from processing until to mechanical properties

    本文以自增韌氮化硅陶瓷為設計對象，運用主成分分析法（ principlecomponentanalysis ： pca ）對自增韌si _ 3n _ 4陶瓷的顯微結構和力學性能進行數據空間降維，獲得自增韌si _ 3n _ 4陶瓷顯微結構控制的主要因素，進而簡化了表徵參量變量和準則；運用模糊神經網路（ fuzzyneuralnetworks ： fnn ）建立了自增韌si _ 3n _ 4陶瓷設計專家系統，能實現工藝?微結構?性能的正向預測及反向設計；運用monte - carlo方法（ mc ）進行自增韌si _ 3n _ 4陶瓷的晶體生長模擬，然後進行裂紋擴展模擬，探索建立工藝?微結構?力學性能預測模型的思路。
  7. Results : the 155 - 226 aa of the hnadcs had good flexibility, surface probability, hydrophilicity and high antigenic index, so it was selected as immunogen to inoculate rabbits

    結果： hnadc3的第155 226位氨基酸具有良好的柔韌性、表面可及性和親水性，和較高的抗原指數，因此選用該段氨基酸片段作為免疫原。
  8. With this in minds, many researchers have proposed a variety of models for describing the nonlinear fracture of concrete for the past decades. amid them most take the critical stress intensity factor kic as the fracture toughness, a sign of ability to resist the crack extension

    對此，在過去的幾十年裡，眾多研究人員提出了很多描述混凝土非線性斷裂的模型，而其中的大多數斷裂模型都以臨界應力強度因子k _ （ ic ）作為抵抗裂縫擴展阻力的斷裂韌度。
  9. A finite element analysis ( fea ) was eventually conducted, using mori - tanaka model and j - integral, to further explain the toughening mechanisms and fracture behaviour of the particle interleaved composites. the aim of the analysis was to examine the influence of the particle concentration and size, and the interaction between the particle and the crack tip. fea results indicate that interlayer zones can effectively lower j - integral and stress around the crack tip, and the high stress distribution in the region close to the interface can be the driving force for interfacial failure

    本文的最後還藉助于有限元方法對層間增韌復合材料進行了宏觀和細觀斷裂韌性分析，基於mori - tanaka等效夾雜理論，計算了顆粒含量和尺寸對j積分的影響，有限元分析的結果同樣表明層間增韌可以有效的降低裂紋尖端應力水平，並暗示界面是可能存在的失效原因，所進行的數值分析起到了進一步支持和解釋增韌機理的作用。
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