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收缩率比
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  “收缩率比”译为未确定词的双语例句
     A much lower annealing shrinkage rate was found for all the PET/MFMB products molded by injection at low mold temperature than those of pure PET.
     低模温注射成型的PET/MFMB制品退火处理收缩率比纯PET制品的小得多。
短句来源
     The sintering curves showed that the sintering temperature of green body prepared by vacuum gel-casting was 100 ℃ lower than that of common gel-casting,and the contractive ratio of vacuum green body was 78.7% higher than that of common green body at 1 550 ℃.
     烧结曲线表明,真空凝胶注模制得的坯体的烧结温度比普通凝胶注模制得的坯体的低100℃左右。 在1 550℃,真空坯体的收缩率比普通坯体的高78.7%。
短句来源
     Variance and regression analysis is used for experimentsal analysis of the effect of PVAc and PS up on the curing shrinkage rate of UP. Samples are compared and studied by SEM while the action mechanism of PVAc and PS is discussed.
     应用回归与方差分析,对两种LPA(LowProfileAdditive):聚醋酸乙烯酯(PVAc)和聚苯乙烯(PS)对不饱和聚酯树脂(UP)的固化收缩率影响进行了试验分析,并通过SEM对试件进行对比研究,对其作用机理进行了初步探讨,从细观上解释了PVAc降低UP固化收缩率比PS效果好的原因。
短句来源
     By analyzing the structure of the flower key shaft,the shaping problems of cup-shaft part are put forward when the shrinking rate of the cup part with across-section is much highen than that of shaft part.
     通过对花键轴的结构分析 ,提出了杯一杆类零件当杆的断面收缩率比杯形部分断面收缩率较多 ,而成形高度又较大时的成形问题。
短句来源
     Test results show that the shrinkage characteristic of HSLWAC is different from normal concrete. At the early stage it is lower than that of normal concrete.
     结果表明:轻集料混凝土的收缩特性明显不同于普通混凝土,其早期收缩率比普通混凝土低,而后期收缩率远远大于普通混凝土.
短句来源
  相似匹配句对
     In this paper,the writer proves the existence theorem of Nash-Mequilibrium points under the weaker conditions than D.
     本文在 D.
短句来源
     V. C higher than families G.
     V.C家系G.
短句来源
     the rates of shrinkage are smaller than the reference concrete.
     掺加NES高效减水剂的混凝土其收缩率基准混凝土的收缩率小。
短句来源
     The shrinkage factor increases with the increase of specific surface area and the amount of banded water in hardened cement pastes.
     收缩率随着水泥石表面积、结合水含量的增加而增加。
短句来源
     THE SHRINKAGE OF PET FIBER AND THE EFFECT FACTORS
     涤纶的收缩率及影响因素
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  shrinkage ratio
Consequently, owing to the very large shrinkage ratio of the dried cake, cracks emerges and propagates on and within the cake body, whence inducing evaporating channel that facilitates the water removal.
      
The shrinkage ratio during the solidification is decreased and the tensile strength of the polymer part is increased by the addition of unidirectional whiskers.
      
The results show that the sintering shrinkage ratio of glass particles decreases with the increase of the content of ZrO2.
      
ZrO2 has an unfavourable effect on sintering shrinkage ratio of glass particles.
      
The sintering shrinkage ratio of glass particles increases with the increase of sintering temperature.
      
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In order to understand the effect of heat treatment upon the collapse. of Eucalyptus wood,moisture content- shrinkage curves are measured and drawn in this paper by means of drying at constant temperature and various humidity for treated and untreated Eucalyptus viminalis、E. tereticornis and E.camaldulensis. The result shows that whether heat treated or not,E. viminalis and E.tereticornis have the typical"collapse pattern"moisture content -shrinkage curve.For heat treated timber of the two species,however,the...

In order to understand the effect of heat treatment upon the collapse. of Eucalyptus wood,moisture content- shrinkage curves are measured and drawn in this paper by means of drying at constant temperature and various humidity for treated and untreated Eucalyptus viminalis、E. tereticornis and E.camaldulensis. The result shows that whether heat treated or not,E. viminalis and E.tereticornis have the typical"collapse pattern"moisture content -shrinkage curve.For heat treated timber of the two species,however,the second stage collapse appears rarely and the whole shrinkage and shrinkage at"shoulder point"are lower than that of untreated timber. Effect of heat treatment is apparent on E.viminalis and E. tereticornis.no effect on E.camaldulensis, This paper has introduced a two stage collapse theory and expounded for the first time that it is inevitable to appear"shoulder point"in the "collapse pattern" moisture content -shrinkage curve,and illustrated the limitation of the"indirect vessel collapse"theory presented by Shin Terazawa

多枝桉、细叶桉、赤桉采用恒温调温干燥法测绘含水率-收缩曲线,探求热处理对改善桉材皱缩的效果。结果多枝桉、细叶桉是否热处理均具典型的“皱缩”型含水率-收缩曲线,但热处理材少有“二段”皱缩,“肩点”处收缩率和全收缩率比未热处理材小,处理效果明显;赤桉则无区别。同时,论述了“皱缩”型曲线出现“肩点”的必然性;提出了“二阶段”皱缩理论;并对寺[1]等的“导管二次皱缩”论的局限性进行了探讨.

The bending strength and toughness of cermet can be effectively improved with fine car-bide powder(<1 μm ).Experimental resuIts show that the surface energy of fine carbidepowder is so high that a big driving force during sintering is available. In the same process,the fine carbide powder is easily sintered and linear contraction ratio and density of the finepowder cermet are higher than those of the coarse one. For cermet made from fine carbidepowder,the distribution region of the particle size of the hard...

The bending strength and toughness of cermet can be effectively improved with fine car-bide powder(<1 μm ).Experimental resuIts show that the surface energy of fine carbidepowder is so high that a big driving force during sintering is available. In the same process,the fine carbide powder is easily sintered and linear contraction ratio and density of the finepowder cermet are higher than those of the coarse one. For cermet made from fine carbidepowder,the distribution region of the particle size of the hard phase TiC powder is narrowand the distribution is uniform. The saturation solubility of different sizes of particles isnearly the same during sintering so that the thermodynamic equilibrium between them is eas-ily approached while the microstructure is fine and uniform.

采用细碳化物粉末(<1μm)来提高金属陶瓷的抗弯强度,达到细化增韧的目的。研究表明:细粉表面能大,对烧结过程提供的驱动力大,并由于硬质相TiC粉末的粒度分布范围窄,且较均等,颗粒之间容易接近热力学上的平衡,可获得细小而较均匀的显微组织,其线收缩率比粗粉的高,烧结体的密度也高于粗粉的,使金属陶瓷的抗弯强度明显地得到提高。

Variance and regression analysis is used for experimentsal analysis of the effect of PVAc and PS up on the curing shrinkage rate of UP.Samples are compared and studied by SEM while the action mechanism of PVAc and PS is discussed.The reasons why PVAc get better effects in reducing the curing shrinkage rate than PS are explamed and the compatibility of LPA and UP is identified as an important factor in reducing the curing shrinkage rate.

应用回归与方差分析,对两种LPA(LowProfileAdditive):聚醋酸乙烯酯(PVAc)和聚苯乙烯(PS)对不饱和聚酯树脂(UP)的固化收缩率影响进行了试验分析,并通过SEM对试件进行对比研究,对其作用机理进行了初步探讨,从细观上解释了PVAc降低UP固化收缩率比PS效果好的原因。并指出LPA和UP的相容性是降低固化收缩率的重要因素。

 
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