瞬時流密度 的英文怎麼說

中文拼音 [shùnshíliú]
瞬時流密度 英文
instantaneous stream density
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 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...
  • : 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
  1. In contrast with conventional thermo - ionic cathode, field emitter array ( fea ) cathode has many special advantages, such as room - temperature operation without a cathode heater, high current density, low power dissipation, excellent on / off isolation characteristics and instant turn - on characteristics

    與傳統的熱陰極相比,場發射陣列陰極具有許多獨特的優點,如無需加熱,可以在室溫下工作;電比熱陰極高幾個數量級,並可工作在低電壓調制下;功耗低;極好的開關特性;可啟動等。
  2. But owing to the constant presence of air currents, arranging both the dust and vapour in strata of varying extent and density, and of high or low clouds which both absorb and reflect the light in varying degrees, we see produced all those wondrous combinations of tints and those gorgeous ever - changing colours which are a constant source of admiration and delight to all who have the advantage of an uninterrupted view to the west and who are accustomed to watch for those not infrequent exhibitions of nature ' s kaleidoscopic colour painting

    不過,由於不斷出現氣,把法埃與水汽分層排列,廣不均,各異,加上高低空常有雲層,不同程地吸收並反射陽光,我們這才看到各種奇異的色調斑剝陸離,諸多絢麗的色彩變化萬千;任何人只要有幸將西方的景緻一覽無余,只要有心觀看大自然不展現的那一幅幅息萬變的彩畫,都會為之贊不絕口,喜不自勝。
  3. Sintering speed increased greatly with the help of great quantity of heat of the molten iron, the great quantity of heat sent out from the carbonizing reaction and a little quantity of liquid, this sintering type is an instantaneous sintering, the sintering compacting can carry completely in a few minutes, the degree of sintering compacting is very high. ( 6 ) the vc - fe surface composite has high rigidity, it ' s rigidity exceeds 60hrc, under condition of dry sliding friction and overloading

    鑄造燒結,過熱鐵水的巨大熱沖擊、粉料壓坯中的碳化反應的放熱以及壓坯中少量液相的產生使壓坯的燒結速大大提高,此間液相燒結,在十幾分鐘內燒結過程即可完成,可達到很高的緻化程。 ( 6 )鑄態下vc一fe表面復合材料具有很高的硬,其鑄態硬) 60hrc 。
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