直流噪聲容限 的英文怎麼說

中文拼音 [zhíliúzàoshēngróngxiàn]
直流噪聲容限 英文
dc noise margin
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 動詞1. (蟲或鳥叫) chirp 2. (大聲叫嚷) make noise; make an uproar; clamour
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • 直流 : direct current (dc); constant current; steady current; continuous current; zero frequency curre...
  1. These characteristics and phenomenons have effect on the quality of gear pump, and it is difficult relatively to research them by theory. at present the research is limited to the phase of examination testing. theoretic research of the characteristics and the phenomenons of polymer gear pump are blank in china when the gear pump feeds the viscous polymer liquid of chemical flow with high temperature and high pressure

    齒輪泵除具有量和積效率、扭矩和機械效率、功率和總效率等基本特性外,還存在著困油、和氣穴等現象,這些特性和現象接影響齒輪泵的質量,對斜齒齒輪泵的這些特性和現象的理論研究難度較大,目前大多仍局於實驗測試研究階段,而聚合物齒輪泵在輸送化工程中的高溫、高壓的粘態聚合物時特性的理論研究在國內基本還處于空白。
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