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弹性测试
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  flexibility test
     Flexibility test and analysis of pure bamboo pulp yarns and blended yarns
     竹浆纤维纯纺及混纺纱线弹性测试与分析
短句来源
  “弹性测试”译为未确定词的双语例句
     Study of the Testing Methods for Elasticity of Elastic Knitted fabrics
     弹性针织物弹性测试方法探讨
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     The elasticity of the PTT/wool blend fabric and the PET/wool blend fabric are tested,and their difference is analyzed.
     对PTT/毛混纺织物与PET/毛混纺织物进行弹性测试
短句来源
     The Measurement of Tensile Elastics of Knited Fabric
     针织物拉伸弹性测试
短句来源
     Measurement Criteria for Elasticity of Warp Knitted Spandex Fabric and the Ascertainment of Experi-mental Parameters
     经编氨纶泳衣织物弹性测试指标及试验参数值的确定
短句来源
     The method of extrudate swell is used to determine the first normal stress difference N_1 of polymer melts at high shear rates. It is found that a longer die than that used in viscosity measurements is required for the determination of N_1, since N_1 depends on both the swelling ratio and the shear stress.
     在挤出机上安装自行设计的毛细管口模,对PP,HDPE和PS熔体采用挤出物胀大法在较高剪切速率下测量第一法向应力差N_1,发现:由于N_1受胀大比B和剪切应力τ_W的双重影响,因此弹性测试比粘性测试所需的毛细管口模长径比要大;
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  相似匹配句对
     The Measurement of Tensile Elastics of Knited Fabric
     针织物拉伸弹性测试
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     Test
     测试
短句来源
     Test Methodology for RPR Systems
     弹性分组环系统的测试
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     TNDIVIDUAL TEST
     个性测试
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     Enumeration of Resilient Functions
     弹性函数的计数
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  flexibility test
Physiological motion of the occiput and physiological elongation of the VA were measured with a standard flexibility test.
      
A repeated-measures flexibility test was performed in vitro using human cadaveric spines.
      
Furthermore, to restore the water loss caused by the fatigue loading, the specimen was given an 8-hour rest before the next flexibility test.
      
This was followed by the fatigue loading, rest, and the third flexibility test.
      
The flexibility test of the intact specimen was first performed as the baseline for the rest of the experiment.
      
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The measurment of rheological properties by slit(capillary) die on extruder exhibits some obviousadvantages over other rheometers. A set of slit die isdesigned and made,and the theological data of LDPEat various screw are measured. The results show thatthe technique is of great importance to polymerprocessing.

与一般常用的流变仪相比,在挤出机上用狭缝或毛细管口模测试高聚物的流变性能有很多优点,例如可同时适合于测定材料的粘性和弹性、测试装置简单,并且测试过程与实际生产过程比较一致。本文作者自行设计加工了几套狭缝毛细管和流变口模,以LDPE为原料,在不同螺杆转速下用狭缝口模初步进行了流变性能测试,实验证明这种方法简单、可行,适合于在实际生产控制中应用。

In this paper, the relationship between structural state andmechanical properties of PET fibres is deduced on the basis ofexperimental results of dynamic mechanical properties. For PET fibreswith different super-molecular structure, the temperature dependance oftheir dynamic mechanical properties is obviously different. Furthermore,it is recognized that, in the temperature scanning process, there aretwo effects: on one hand, the modulus of the fibres decreases with theraising of temperature, but on other hand,...

In this paper, the relationship between structural state andmechanical properties of PET fibres is deduced on the basis ofexperimental results of dynamic mechanical properties. For PET fibreswith different super-molecular structure, the temperature dependance oftheir dynamic mechanical properties is obviously different. Furthermore,it is recognized that, in the temperature scanning process, there aretwo effects: on one hand, the modulus of the fibres decreases with theraising of temperature, but on other hand, the modulus increases dueto crystallization of the fibres. The summation of these two effectscauses the fibres with different thermohistory displaying characteristiccurves. So it is possible to determine the stability of fibre structurefrom the testing results of dynamic mechanical properties. Based onthe change of sample size during testing process of dynamic viscoelasticproperties, it is possible to determine the distribution of thermaldeformation under constant tension in wide range of temperatures. Thisdistribution characterizes thermal shrinkage behavior of fibres in thetextile processing.

本文从各种纤维的动态力学性能的测试结果,归纳出纤维的结构状态和力学性质的关系。不同超分子结构的聚酯纤维,其动态力学性能的温度依赖性显著不同。另外,确认在测试时的温度扫描过程中,存在着二种作用:一方面因温度升高使模量下降;另方面由于样品的结晶作用,使模量升高。二种变化的加和,使各种热历史的纤维,呈现特有的曲线。所以,可从动态力学性能的测试结果,推断纤维结构的稳定性。从动态粘弹性测试过程中样品尺寸的变化,可测定宽广温度范围内,纤维在定张力下的热形变分布,它反映纤维在纺织加工时的热收缩行为。

The method of extrudate swell is used to determine the first normal stress difference N_1 of polymer melts at high shear rates. It is found that a longer die than that used in viscosity measurements is required for the determination of N_1, since N_1 depends on both the swelling ratio and the shear stress. The N_1 results obtained from the method of extrudate swell are compared with the results obtained by other means. It is concluded that the N_1 results obtained from extrudate swell measurements are as good...

The method of extrudate swell is used to determine the first normal stress difference N_1 of polymer melts at high shear rates. It is found that a longer die than that used in viscosity measurements is required for the determination of N_1, since N_1 depends on both the swelling ratio and the shear stress. The N_1 results obtained from the method of extrudate swell are compared with the results obtained by other means. It is concluded that the N_1 results obtained from extrudate swell measurements are as good as anything else, and is certainly good enough for engineering purposes.

在挤出机上安装自行设计的毛细管口模,对PP,HDPE和PS熔体采用挤出物胀大法在较高剪切速率下测量第一法向应力差N_1,发现:由于N_1受胀大比B和剪切应力τ_W的双重影响,因此弹性测试比粘性测试所需的毛细管口模长径比要大;将挤出物胀大法与其他测量N_1的方法进行综合的分析比较,结果表明,挤出物胀大法所测N_1值比较合理,并可满足一般工程计算的要求。

 
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