on the basis of the white embryo, we can paint the heart of their own" sunday", and can be extended according to demand to produce more products.

the influence of reducing sugar and non-reducing sugar for extensibility of dough were also different.

还原糖和非还原糖对面团延伸性的影响也不同。

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the conclusions are as follows: 1. ptt fiber has lower breaking strength, lower initial modulus and higher breaking elongation than pet fiber, whose breaking elongation is similar to high shrinking pet fiber, and all these indicate that ptt fiber has good extensibility and softness.

PTT纤维的强度不如PET，但断裂伸长却远高于普通PET纤维，与高收缩PET相近，拉伸模量也比PET小，尤其是纤维的初始模量小，说明PTT具有良好的延伸性和柔软性；

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the elongation of the composites is lower than that of the matrix, but it keeps a high level (> 4%) and is higher than that of the composite reinforced with al 2o 3 and sic fibres.

该复合材料的延伸率低于基体合金，但仍可达到较高水平（＞4%），高于Al2O3及SiC纤维增强复合材料。

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results and conclusion the tensile strength and elongation of sin change non monotonically as the composition ratio of pu to pgma varies, their maxima would be obtained with pu content ca. 60%.

结果与结论改变PU与PGMA的组成比，SIN的拉伸强度和延伸率呈非单调变化，在PU含量为60%附近时出现极大值。

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compared with hpdc, rdc can improve the microstructures and mechanical properties, especially for the elongation.

与HPDC相比，流变压铸可改善铸件的微观组织、提高铸件的致密性和力学性能，尤其延伸率提高明显。

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whether the composite was heat treated, it could be found that the tensile strength increased, the modulus had no change and the elongation decreased.

对经过反挤压和未经过反挤压的材料均进行T6热处理，可以发现对于无论是否经过反挤压的复合材料，热处理过后抗拉强度有很大提高，弹性模量变化不大，而延伸率有所降低。

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the results show that the strength and macrohardness of the t6 heat treated alloy increase and the relative elongation decrease slightly with increasing quenching cooling rate.

结果表明，热处理T6态合金的强度和硬度随着淬火冷却速率的增加而增大，而相对延伸率呈减小的趋势。

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al is effective for improving the tensile strength, oxidation resistance of sn-zn alloy, their elongation becomes worse when adding al, but it still above 10% and can meet the requirements;

Al的添加能提高Sn-Zn共晶合金的抗拉强度，抗氧化性，但延伸率略有下降，不过均大于使用要求，即延伸率大于10%。

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alloy with α_2+ β structure can be obtained by hip, but the contents of primary α_2 phase decrease with increasing temperature of hip. superior strength and elongation can be obtained by hip at 1100 ℃.

HIP成形的合金均可得到α2+β结构，但是初生α2相的含量随HIP温度的提高而减少，合金经1100℃HIP可以获得较好的强度和延伸率。

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s-1. the results showed that the alloy exhibits excellent superplasticity, and the maximum elongation-to-failure reaches 314%.

结果表明，工业态AZ31镁合金表现出良好的超塑性，其最高断裂延伸率达到314%，应变速率敏感指数达0.4。

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with the increase of re master alloy, the tensile strength and elongation increase. with addition of 0.15% re to the melt, the tensile strength and elongation increase by 14% and 23.5% respectively, compared to the case without re.

随着RE加入量的增加，合金的抗拉强度和延伸率得以提高，当RE含量为0.15%时，相对于未加RE时的情况，σb和δ分别增加了14%和23.5%。

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the results show that adding sc-co2 makes the ppo blends impact strength increase, tensile strength of blends decrease and elongation decrease.

结果表明：SC-CO2的加入使PPO共混体系的冲击强度提高，共混体系的拉伸强度和延伸率降低。

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the results of tensile test on the al2o3/ al nano-composite show a high yield strength of 0.2 and a high breaking strength of b, which are 12-16 times and 5-6 times that of annealed coarse-grained al, respectively.

对高致密Al2O3/Al纳米复合材料的拉伸实验表明：其屈服强度σ0.2和断裂强度σb分别为粗晶Al的12-16倍和5-6倍，延伸率δ比同质冷轧粗品Al约高28%。

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the hardening effect of the aged alloy is accelerated at 170 ℃ and the time to peak-aged is reduced, but the plasticity of the alloy gradually decreases with the increases of mn content.

随Mn含量的增加，合金170℃时效硬化速度逐渐加快，峰值时效时间提前，但合金的延伸率随Mn含量的增加而逐渐降低；

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experiments show that the tensile properties of composite have been improved significantly by coating al2o3.after hot extrusion, the elongation and tensile strength of the composite has been improved.

实验证明，晶须表面涂覆Al2O3后，复合材料的拉伸性能有了明显提高。经过热挤压后，与铸态复合材料相比，延伸率和抗拉强度也有了明显提升。

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the results showed that the grain refining by the trace amounts of titanium could improve the tensile stress, percentage elongation and fracture toughness, but had little influence on their yield stress.

结果表明，Ti对晶粒的细化可以大幅提高试验合金的抗拉强度、延伸率和断裂韧性，但对合金的屈服强度影响不大。

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for extruded alloys, with the content of 0.5% ce and nd separately, they have the maximal high-temperature strength and elongation;

而对于挤压态AZ61镁合金，稀土Ce和Nd的最佳含量均为0.5wt%，此时其高温强度和延伸率达到最高值；

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the fracture elongation of alloys decreased with the si contents increasing. while compared to matrix, the fracture elongation of a1 alloy had a certain increase.

合金的断裂延伸率随Si添加量的增加而下降，而A1合金相比基体合金断裂延伸率有了一定的提高。

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the tensile rates of composites are lower than aluminum, along with the increase of sic particles content, the tensile rates of composites reduce.

复合材料的延伸率远远低于纯铝，随着SiC颗粒含量的增加，复合材料的延伸率降低。

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both tensile strength and elongation of mg-nd-zn alloys at elevated temperature were increased with the increasing of zr addition.

随着Zr含量的增加，提高了合金的高温抗拉强度和延伸率。

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