elongation

英 [ˌiːlɒŋˈgeɪʃən]

美 [ˌilɔŋˈgeɪʃən]

n.  拔节; 拉长；伸长度；延伸率; 伸长（延伸）率

复数：elongations　

化学

BNC.29202 / COCA.22214

英英释义

noun

• the act of lengthening something
• an addition to the length of something
  Synonym:extension
• the quality of being elongated

双语例句

• TROPISMS are due to differential elongation of cells on different sides of root or shoot, resulting in curvature.
  向性的产生是由于根或枝上不同部位的细胞壁延伸程度不同，导致其弯曲而造成的。
• To determine a single synthetic filament yarn and silk and deformation of the breaking strength and elongation at break.
  用于测定单根纱线及合成纤维长丝及变形丝的断裂强力和断裂伸长率。
• Features: no delamination with body, small elongation, impact resistance and tear resistance.
  特点：带体不脱层、伸长小、抗冲击、耐撕裂。
• The effect of aging treatment on the tensile strength, elongation, hardness and microstructure of a cobalt base superalloy used for pistons rings was investigated in this paper.
  本文研究了不同热处理时效温度和时效时间对一种活塞环用钴基高温合金的抗拉强度、延伸率、硬度及组织的影响。
• The high-temperature tensile strength of the aged sample increases obviously while the elongation decreases to some extent.
  时效热处理后，镍基合金薄板材料高温拉伸性能有了很大提高，延伸率有一定的降低。
• The quasi-superplasticity of as-cast lead brass was studied by monodirectional elongation experiment.
  采用单向拉伸对铸态铅黄铜进行了准超塑性研究。
• Moreover, the rate of transcription elongation has been linked to alternative splicing.
  此外，转录延伸速率也与可变剪接相关。
• The elongation percentage increases with the increase of the temperature and the decrease of strain rate.
  温拉伸试样的延伸率随变形温度的升高而升高，随应变速率的增大而减小。
• Used for testing breaking tenacity and elongation at break of raw silk in skein and bobbin.
  用于测定绞装和筒装生丝的断裂强度及断裂伸长率。
• A synthetic plant hormone promoting elongation of stems and roots.
  一种促使茎和根伸长的合成植物激素。