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应力诱导
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  stress-induced
     When the content of Y_2O_3 reaches 2.5 mol%, the bending strength can be as high as 978 MPa and the fracture toughness 15.1MPa·m~(1/2)·The toughening mechanism belongs to the stress-induced transformation toughening.
     当Y_2O_3加入量为2.5mol%时,抗折强度达978MPa,断裂韧性达15.1MPam~1/2。 其增韧机理属于应力诱导相变增韧。
短句来源
     An Anomalous Stress Relaxation in the Process of Stress-induced Transitions in NiTi Superelasticity Alloy
     超弹性NiTi合金在应力诱导相变过程中的反常应力弛豫
短句来源
     When the addition of nano-ZrO was 30wt% , the 2 2 content of tetragonal ZrO in the sintered body can reach 69%, which is in favor of stress-induced tetragonal 2 monoclinic ransformation of ZrO , and the bending strength and fracture toughness of the ZTA ceramic 2 composites can reach 604MPa and 6.87MPa·m1/2 respectively.
     Z r O 含量为 2 23 0 w t % 时,其四方相含量可达 6 9 %,有利于应力诱导相变增韧,该 Z T A 复相陶瓷的抗弯强度、断裂韧性分别达到 604MPa、6.87MPa·m1/2。
短句来源
     A Study of Stress-induced Reversible I/C Transition in NiTi Alloy
     NiTi合金中应力诱导无公度相/公度相可逆转变的研究
短句来源
     Stress-Induced Reactions of Polymers
     高分子材料的应力诱导反应
短句来源
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  stress induced
     TEM Observation of Stress Induced e Martensite of FeMnSi Alloy
     FeMnSi合金应力诱导ε马氏体TEM观察
短句来源
     Involvement of TLR-4 signaling pathway in shear stress induced IL-8 gene expression in ECV304 cells
     TLR-4信号转导通路介导层流切应力诱导血管内皮细胞IL-8基因表达的研究
短句来源
     The ZTM 30 (3Y)(ZrO 2≤30vol%) material with high strength and toughness attributed to stress induced tetragonal monoclinic transformation of ZrO 2;
     当ZrO2 ≤ 30vol%时 ,ZTM材料是以应力诱导相变增韧为主 ;
短句来源
     In order to examine the effect of non equivalent tilted axes of 〈110]and 〈011] on mechanical properties of grain boundary, one of grain boundaries therein, {115}〈110〉/{111}〈110〉 grain boundary was dynamically deformed under applied tensile loading. Using molecular dynamics and a nanocrystal model, stress induced γ  α 2 phase transformation in TiAl was theoretically studied.
     为检验 [110 ]与 [0 11]不等同轴对界面拉伸性能的影响 ,对 { 115 }〈110〉 { 111}〈0 11〉晶界计算模拟了在拉伸加载下的动力变形。 利用纳米晶模型和分子动力学方法研究了该合金中应力诱导γ α2 相变的历程
短句来源
     Stress induced birefringence in single mode fiber and its application
     单模光纤应力诱导双折射及其应用
短句来源
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  “应力诱导”译为未确定词的双语例句
     Expression of HIAP-2 in human umbilical vein endothelial cells induced by shear stress
     血流剪切应力诱导人脐带内皮细胞HIAP-2的表达(英文)
短句来源
     The results show that mechanical properties of 92Al 2O 3 ceramics are improved by the stress-induced-phase-transformation of ZrO 2,and the bending strength,fracture toughness and hardness of 92Al 2O 3 ceramics are also greatly improved by adding in 20wt%(1 5Y,4Ce)-ZrO 2 micropowder
     结果表明 :92Al2 O3陶瓷性能的提高归因于ZrO2 的应力诱导相变增韧 ,并且当 (1.5Y ,4Ce) -ZrO2 微粉的加入量为 2 0 % (质量分数 )时 ,试样在 15 5 0℃烧成时 ,材料的抗弯强度、断裂韧性以及硬度得到了很好的改善
短句来源
     Assessment of the Role of TLR-4 in Shear-Stress-induced IL-8 Gene Transcription Activation in Vascular Endothelial Cells by Gene Mutation and Gene Transfection Technology
     基因突变和转基因技术评价TLR-4信号受体在流体切应力诱导血管内皮细胞IL-8基因转录激活中的作用
短句来源
     Results show that the bending strength and toughness of Si_3N_4 ceramics can be effectively increased by the aid of B_4C transformation.
     结果表明,利用应力诱导相变效应,可以有效地提高Si3N4陶瓷的弯曲强度和断裂韧度.
短句来源
     Transcriptional activation of interleukin-8 gene induced by shear stress in human umbilical vein endothelial cells
     切应力诱导人内皮细胞白细胞介素-8基因的转录活化
短句来源
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  stress-induced
The stress-induced release of catecholamines was mimicked by experimental hyperfunction of the dopaminergic (DA) system induced by L-DOPA.
      
PG reduced the ethanol- and indomethacin-induced lesions approximately twofold but was considerably less effective in stress-induced ulcer.
      
Nitric oxide is involved in the protective effects of short-term adaptaion to hypoxia in the course of stress-induced disorders
      
Nitric oxide proved to have a considerable protective effect on stress-induced disorders in Krushinsky-Molodkina rats as demonstrated using NO-synthase inhibitors and NO monitoring by electron spin resonance under different experimental conditions.
      
Drought and salt stress-induced proline accumulation was compared on salt resistant (cv.
      
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  stress induced
Role of Isoprenoids in Plant Adaptation to Biogenic Stress Induced by Parasitic Nematodes (Review)
      
Heterogeneity of Rhodococcus opacus 1CP as a Response to Stress Induced by Chlorophenols
      
We studied the effect of oxidative stress induced by hyperoxia, hydrogen peroxide, or menadione on leukemia P388 cells isolated from mice with early (4 days) and late (7 days) stages of tumor growth.
      
Regulation of Heme Oxygenase Activity in Rat Liver during Oxidative Stress Induced by Cobalt Chloride and Mercury Chloride
      
The molecular mechanism of mitochondrial damage under conditions of oxidative stress induced in vitro with low concentrations of FeSO4 and ascorbate (vitamin C) was studied.
      
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  stress riser
The stress riser effect of the transosseous tibial tunnel and the anatomic location of the cortical defect probably facilitated development of the fracture.
      
Critical evaluation revealed that there was an inadequate resection of the volar lip resulting in a stress riser on the implant during impaction.
      
Is a crack an effective stress riser for triggering of plasticity
      
A restrained slab specimen with a stress riser was used to amplify the potential for plastic shrinkage cracking.
      
A smooth anterior taper of the osteotomy distally may decrease the stress riser effect at the distal aspect of the osteotomy.
      
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The elastic recovery of polyester-polyether fiber at lower temperature was studied. It was found that due to the stress-induced crystallization of soft segments the fiber has a relative low elastic recovery at lower temperature but higher extention ratio. The probable routes of improvements have also been discussed.

本文研究了聚酯-聚醚弹体纤维在低温下的弹性回复行为,并且证明了软链段的应力诱导结晶是使聚酯-聚醚弹体纤维在低温和高延伸度下弹性回复低的主要原因。同时讨论了可能的改进途径。

The morphological structure and crystallization kinetics of some oil-extended polybu-tadiene rubber polymerized with lanthanide catalyst were studied with EM, WAXD, TGA and dynamic mechanical measurement. It has been found that No. 9 oil has higher molecular weight than the rest; its compatibility with rubber is much lower; some kind of chemical linkages may exist between oil and rubber when vulcanized; and the No. 9 oil-extended rubber shows stress induced crystallization. These all contribute to the higher...

The morphological structure and crystallization kinetics of some oil-extended polybu-tadiene rubber polymerized with lanthanide catalyst were studied with EM, WAXD, TGA and dynamic mechanical measurement. It has been found that No. 9 oil has higher molecular weight than the rest; its compatibility with rubber is much lower; some kind of chemical linkages may exist between oil and rubber when vulcanized; and the No. 9 oil-extended rubber shows stress induced crystallization. These all contribute to the higher tearing strength possessed by the No. 9 oil-extended polybutadiene rubber.

本工作采用电子显微镜(EM)、大角度X射线衍射(WAXD)、热失重分析(TGA)、动态力学测定等方法,研究了几种典型油品的充油Ln-BR的形态结构和结晶动力学,发现减压渣油(9号油)分子量较高,与Ln-BR的相容性较差,且与硫化后的Ln-BR间可能有少量的化学联结。它的存在明显地促进了Ln-BR的应力诱导结晶(SIC)。这些因素均导致这种充油硫化胶有较高的抗撕裂强度。

The interal friction Q-1,modulus f~2,resistance R and the strain (?) of superelast-icity Ni51Ti49 alloy in the process of stress-induced incommensurate/commensu-rate(I/C)transition was measured as a function of stress σ at room temperatu-re.This NiTi samples posses superelasticity up to about 4% of strain which isprovided completely with strain of stress-induced reversible I/C transition strainand this strain reverses zero when the stress is unloading to zero.A minimum in the f~2-σ curves and a peak in the Q~(-1)-σ...

The interal friction Q-1,modulus f~2,resistance R and the strain (?) of superelast-icity Ni51Ti49 alloy in the process of stress-induced incommensurate/commensu-rate(I/C)transition was measured as a function of stress σ at room temperatu-re.This NiTi samples posses superelasticity up to about 4% of strain which isprovided completely with strain of stress-induced reversible I/C transition strainand this strain reverses zero when the stress is unloading to zero.A minimum in the f~2-σ curves and a peak in the Q~(-1)-σ curves were observedfor the first time during the loading process and a reversible change appeareshysteretily in the unloading process.The compareson of these phenomenons withathermal transition of I/C in NiTi and the results of X-ray diffraction of stre-ss-cycled TiNi samples show that the superelasticity of NiTi alloy is provided com-pletely with strain of stress-induced reversible I/C transition.The mobility ofI/C phase interface was discussed.

在超弹性NiTi 合金室温加载、卸载的应力循环过程中,在同一样试上同时测量了应变、模量、电阻率以及内耗随应力的变化,研究了应力循环周数对上述四个参数的影响.结果表明:在增加应力至应变为4%后卸载时,试样表现了完整的超弹性,即应力卸载至零时,应变完全回复到零,这说明全部应变都是由应力诱导的可逆相变提供的.在增加应力时,电阻率单调上升并变平,模量出现极小值而内耗出现极大值;减小应力时,上述过程滞后地出现.当试验温度远高于母相转变为无公度I 相的温度T_I 时,以及试验温度低于M_f 点时,上述超弹性以及变载过程中出现的电阻、内耗及模量的变化特征均消失.将上述结果和NiTi含金在变温过程中电阻、内耗及模量的变化规律进行对比,以及对应力诱导循循环前后试样的X 光衍射分析结果均表明,上述超弹性是由于NiTi 合金中应力诱导的无公度相I/公度相C间的可逆转变所提供的.由于应力诱导I/C 转变的可逆性,因此这一转变将对NiTi 合金的双程形状记忆效应产生一定的影响.研究了应力循环周数对可逆I/C 转变的影响.

 
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