顯象密度測定 的英文怎麼說

中文拼音 [xiǎnxiàngdìng]
顯象密度測定 英文
densitometry
  • : Ⅰ形容詞1 (明顯) apparent; obvious; noticeable; evident 2 (有名聲有權勢的) illustrious and inf...
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. ( 1 ) an optical technique is presented to quantify the creep crazing damage in stressed transparent glassy polymeric sheet of pmma. craze area density in this article is defined by ratio of crazing area and the overall area of the region selected. the specimens were loaded for a defined period of time under creep condition with room temperature, by optical microscope the evolvement of craze density varying with stress and time is obtained

    Pmma ( polymethylmethacrylate )是一類重要的高聚物材料,在應用上屬于用量大、使用范圍廣的一類通用材料,本文選用pmma為主要研究對,主要研究成果如下: ( 1 )用微鏡對透明玻璃態材料pmma蠕變條件下的銀紋損傷引發和演化進行了實驗觀,將銀紋所佔面積和所取圖視場總面積的比值義為銀紋,得到了銀紋隨時間和應力變化的演化方程。
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