stretch ratio 中文意思是什麼
stretch ratio
解釋
拉伸比-
The fiber tensile strength is affected by concentration, temperature and minus stretch during coagulation, while the fiber structure and performance are obviously in fluenced by stretch temperature, medium and ratio
纖維的拉伸強度在凝固成形過程中受到凝固浴濃度、溫度和負拉伸的影響，同時在纖維的拉伸中拉伸的倍數、溫度和介質等也影響著纖維的結構和性能。 -
Abstract : coagulation and stretch are two crucial working procedures during precursor fabrication, which play important roles in precursor structure and performance. the fiber tensile strength is affected by concetration, temperature and minus stretch during coagulation, while the fiber structure and performance are obviously influenced by stretch temperature, medium and ratio
文摘:凝固成形和拉伸是原絲生產過程中兩個十分關鍵的工序，它們對聚丙烯腈原絲的結構和性能有著重要的影響.纖維的拉伸強度在凝固成形過程中受到凝固浴濃度、溫度和負拉伸的影響，同時在纖維的拉伸中拉伸的倍數、溫度和介質等也影響著纖維的結構和性能 -
For fin system, the spatial distributions of three defined physical quantities, filling ratio, extend measure and stretch direction, are described for general fin structures. based on which the heat transfer between fin system and fluid is modeled mathematically
對于翅片強化對流換熱，提出用填充率、擴展量和伸展方向這三個物理量在空間內的分佈來描述翅片系統的一般結構，並建立了相應的熱量輸運模型。 -
Physics capability such as density, conduct and mechanics capability such as tensile strength, hardness and stretch ratio were tested during technical course. photograph analysis and empa analysis were carried out. the influence factor on materials physics and mechanics capability were investigated, which induced by powders synthesis technique, pressure and sinter temperature
在制備銅基復合材料的工藝過程中，對材料進行密度、電導率等物理性能和抗拉強度、布氏硬度、延伸率等力學性能的測試，進行金相分析和empa分析，研究了粉末合成工藝、壓制壓強、燒結溫度等對材料物理、力學性能的影響，探索了材料密度、布氏硬度、電導率、抗拉強度、延伸率等之間的關系。
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