grain size effect 中文意思是什麼
grain size effect
解釋
晶粒度效應-
Effect of ti content on coarsening temperature and austenite grain size of ah
36粗化溫度和奧氏體晶粒大小的影響 -
Based on the theory of unsaturated soil mechanics and the properties of compacted expansive soil, this paper takes the northern part k12 + 840 - k12 + 920 of nanning urban highway as an example to studies some aspects of lime improvement of expansive soil and the technology of construction. the chief content of this paper is : the lime improvement mechanism of expansive soil ; confirm the technical parameters of lime mixed from the results of test in laboratory ; the scale - down test to define the maximum effective grain size of expansive soil when it is improved by lime ; by building bank slope model and making use of finite element seepage flow program of saturated - unsaturated to calculate the examples, this paper simulates the humidity site in order to checkout the effect of lime improvement ; studies and proves that it is feasible to mix blocky expansive soil and pulverous lime, and to fill roadbed by common construction machines etc.
本文研究的工作就下述幾個方面展開：用石灰改良膨脹土的機理；通過室內試驗確定摻灰的技術指標；在室內進行膨脹土摻灰的最大有效粒徑的模擬試驗，即鈣離子水試驗，由此總結出「粉?塊」灰?土攪拌工藝的有效性、合理性和可行性；用數值方法對路堤使用期的濕度場進行模擬，並與路堤的強度?變形的計算域耦合，以檢驗土性改良的效果，從而探索一種描述改良膨脹土路堤運行工況的數值方法；用現有最常用的且費用最低的施工機具，對灰?土進行「粉?塊」攪拌摻和及路基的填築施工等。 -
The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed
研究表明，採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料，軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參數；試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著；超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比，斷裂強度和延伸率均有一定程度的增強；超細晶ly12的熱膨脹系數在550左右發生明顯的變化。 -
This paper conbined with the indoor test and the scene test road, through the synthetical analysis of the factors of influencing densification effect for the densification thickness of filling stone roadbed. the maximum grain size of fill material, densification machinery and densification frequency et al. advanced a control norm of the maximum grain size and piy of compression, established ration evaluating the control standard of densification quality of filling stone roadbed under overload. comparing with result of indoor test and the scene test road, studied on theory of densification in different kinds of stone material and perfected the control system of the densification of filling stone roadbed under overload
結合室內試驗和現場試驗路的實測數據，通過對填石路基的壓實厚度，填料最大粒徑，壓實機械及壓實遍數等影響壓實效果的因素的綜合分析，提出填石路基的最大粒徑和攤鋪厚度的控制指標，建立定量評定超重載交通下填石路基壓實質量的控制標準，並對照室內試驗和現場試驗結果，研究不同石料條件下的壓實理論，補充完善了填石路基壓實控制指標體系。 -
In order to obtain the strontium titanate nanocrystalline powers materials with small grain, high purity and homo - geneous grain size distribution, the effect of water, waiter - free acetic acid, gel temperature, heat treat temperature and so on were researched
為了制備出晶粒小、材料純度高以及粒徑分佈均勻的納米鈦酸鍶粉體材料，研究了用水量、冰醋酸加入量、凝膠溫度和煅燒溫度等工藝參數對制備納米鈦酸鍶粉體材料的影響。 -
The size effect in steel is attributed mainly to the grain size of the material.
鋼內的尺寸效應主要認為是由於材料的晶粒尺寸造成的。 -
The effect of the shape of particles, the density and velocity of feeding, grain size distribution and temperature to the efficiency and precision of classification were studied
通過實驗來分析顆粒粒度分佈、顆粒的形狀、給料速度、料漿濃度以及溫度對分級精度和分級效率的影響。 -
Appraise the test scheme of dynamic consolidation of each test district before test and make optimization suggestions ; 4. the grain - size distrilidation of the underlayer of dynamic consolidation has great on consumption of the energy i, the better the dynamic consolidation effect is ; 5. the deformation effect of dynamic consolidation foundation is that not only the settlement deformation of foundation will decrease greatly after pounding, but residual settlement deformation in each test district are compared, it can be concluded that the deformation stability of foundation of the runway engineering of pu - dong airport can satisfy the design requirment through dynamic consolidation according to optimized test scheme. but the underlayer of dynamic consolidation should be made when pounding
論文的主要工作和研究認識如下： （ 1 ）確定必要的強夯施工參數； （ 2 ）對既有砂性土又有粘性土地基的最佳夯擊次數的確定方法進行了探討； （ 3 ）對試驗前各試驗小區的強夯試驗方案進行了評價，並提出了優化建議； （ 4 ）強夯墊層材料的級配對夯擊能的消耗有很大影響，級配好的墊層對夯擊能的傳遞比級配差的墊層效果好； （ 5 ）強夯地基的變形效應主要是指夯后地基不但沉降變形會大幅度降低，而且剩餘沉降變形會緩慢地發生； （ 6 ）在比較各試驗小區的變形穩定性后，按照優化后的試驗方案進行強夯處理，則浦東機場場道工程地基的變形穩定性能滿足設計要求，但須在處理時施加強夯墊層。 -
The results show the grain size becomes larger along with elevated temperature and the grain size in interconnects does not change evidently after annealed at 200 ? because of the effect of the trench structure
結果顯示熱處理后銅膜晶粒長大，但銅互連線薄膜由於溝槽結構對晶粒的長大有阻礙作用。利用xrd和ebsd測試方法對銅膜及銅互連線薄膜的織構進行評價。 -
Aminobenzenesulfonic acid super - plasticizer is selected though cement paste test, which be provided with high water - reducing property, low slump loss and good compatibility with cement. according to the request of super high early strength, admixture rf is obtained though tests to compare performances of different accelerators and admixtures. experimental research and analysis are carried out on coarse aggregate ' s grain - size effect and composite aggregate ' s bulk - density to take sensitivity of coarse aggregate into account
通過水泥凈漿試驗比較選擇了減水率高、坍落度損失小、與水泥適應性好的氨基苯磺酸鹽高效減水劑；針對超早強的性能要求，試驗比較了不同早強劑及早強性摻合料的性能表現，研製了早強性能顯著、與高效減水劑和水泥相容性較好的rf摻合料；考慮到修補混凝土對粗集料粒徑的敏感性，對粗集料粒徑效應及混合集料堆積密度進行試驗研究與分析；並對修補混凝土的抗折、抗壓、新老界面粘結強度以及抗凍性等進行了試驗研究。 -
The reasons were about to the distortion of crystalline grain of metal, caused by cold - working, and size - effect of the fibers
這與冷加工引起金屬晶格畸變以及纖維的尺寸效應有關。 -
Based on the constitutive relationship coupled microstructure evolution, 3d - fe simulation of isothermal forging process of tc6 titanium alloy disc is performed dealing with different deformation temperature, punch velocity and shear factor of friction, effect of process parameters on equivalent strain, equivalent stress and grain size is calculated, and load - displacement curve is calculated
本文基於微觀組織演變的本構關系模型，對不同變形溫度、凸模速度和摩擦條件下鈦合金盤的等溫鍛造過程進行了三維數值模擬，研究了變形工藝參數對等效應變、等效應力和晶粒尺寸的影響，計算了各變形條件下的位移?載荷曲線。 -
The results show that, compared with cwq coke, the properties of cdq coke is much better in mean grain size, grain size uniformity, mechanical strength, thermal properties etc., the ash content, catalytic index ( mci ), optical texture index ( oti ) etc. are unchanged basically, and its alkali absorptance is strong, alkali resistance is weak, but its thermal properties are still superior to cwq coke after alkali absorption, its boron absorptance is weak, passivetion effect is bad, thus its thermal propetties is somewhat inferior to cwq coke after boron absorption
研究結果表明：與濕法熄焦焦炭相比，干法熄焦焦炭在平均粒度、粒度均勻系數、機械強度、熱性能等方面均有明顯改善；灰成分催化指數mci 、光學組織指數oti基本不變；而吸堿能力強，抗堿能力弱，但是吸堿后的熱性能仍優于濕法熄焦焦炭；吸硼能力弱、鈍化效果差，鈍化后干法熄焦焦炭的熱性能稍低於濕法熄焦焦炭。 -
Effect of crystal grain size on corrosion resistance of weathering steels in atmosphere
晶粒尺寸對耐候鋼抗大氣腐蝕性能的影響 -
To investigate the effect of different laminar cooling patterns on the microstructure and mechanical properties of plates in rolling process, the changes in temperature and microstructure of plate in such cooling process were calculated simulatively by coupling finite difference method with microstructural evolution models, thus predicting the ferrite grain size and phase composition under different cooling patterns
摘要為了研究層流冷卻方式對中厚板組織和性能的影響，用耦合有限差分和微觀組織演變模型模擬計算了中厚板層流冷卻過程中的溫度和組織變化，預測出了不同冷卻方式下的鐵素體晶粒尺寸和相組成。 -
The results indicate that the limiting grain size of coarse aggregate has significant effect on the strength and workability of concrete, but it is lower than that of w / b ratio
結果表明：粗骨料的最大粒徑對混凝土強度、和易性有明顯影響，但水膠比仍是影響混凝土強度及和易性的主要因素。 -
The effect of oxidation and decarburization on examining grain size of austenite with oxidizing method
氧化和脫碳對用氧化法檢驗鋼的奧氏體晶粒度的影響 -
Martensite transformation of an ultra - high carbon steel and grain size effect on sub - structure
超高碳鋼馬氏體相變及超細晶粒對亞結構的影響 -
Simulation and rolling test results showed that the effect of laminar cooling patterns on the plate products is small in final phase composition but great in ferrite grain size
模擬結果和軋制實驗表明，對于低碳中厚板，層流冷卻方式對最終相組成的影響較小，而對產品的鐵素體晶粒尺寸有較大的影響。 -
Effect of phase transformation and grain size on pressureless sintering behavior for tio2 ceramics
相變和晶粒尺寸對二氧化鈦陶瓷無壓燒結行為的影響
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