氦測量 的英文怎麼說

中文拼音 [hàicèliáng]
氦測量 英文
helium survey
  • 氦 : 名 [化學] helium （2號元素, 符號 he）
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. Nuclear energy. nuclear fuel cycle technology - waste - non - intrusive, non - destructive determination of the tritium activity of a package containing tritiated waste by measurement of helium - 3 leakage from the package

    核能.核燃料循環技術.廢棄物.通過從封殼里泄露出來的氦- 3的測量對含氚廢棄物封殼的氚放射性進行非侵入和非破壞性測量
  2. Those calculations have been corroborated by measurements of primordial hydrogen, helium and lithium in the universe

    那些計算結果已經由對宇宙最初階段氫、氦及鋰含量的觀測所確認。
  3. The laboratory can provide calibration service for the measurement of the wavelength of any laser having a nominal wavelength of 633 nm. calibration is performed by comparing the wavelength of the laser under test with the wavelength of the standard iodine - stabilized helium - neon laser of the laboratory

    本所可為波長標稱值為633nm的激光器提供波長測量服務。被測試的激光波長將與本所的標準碘穩頻氦氖激光器的波長比對而進行校正。
  4. ( 5 ) the intensity and s / b of libs are investigated in detail at the different buffer gas, gas pressure, and laser power. the results show that under the 120 mj laser energy, for ar the best s / b is at 200 torr pressure, but for air at 100 torr and he at 300 torr. duration of atomic spectra in ar is longer than that in air

    （ 5 ）實驗測定了不同的緩沖氣體和氣壓以及不同的入射激光脈沖能量對原子譜線強度和背景光的影響，結果顯示在氬氣環境下，當氣壓約為200torr 、激光的能量約為120mj時， libs的s b最大；在空氣和氦氣中獲得最佳s b時的氣壓約分別為100torr和300torr ；原子譜線在氮氣環境中持續的時間要比在空氣中持續的時間長。
  5. Standard test method for measuring package and seal integrity using helium as the tracer gas

    使用氦作為示蹤氣體測量包裝和密封完整性的標準試驗方法
  6. Firstly, optical trigonometry measurement principle and wok principle of linear ccd are introduced, which are based on to design optical focusing and imagery system with he - ne laser instrument as illuminant. secondly, peripheral circuit of linear ccd is designed in theory and experiment. finally non - contact thickness measurement instrument is constructed, using ccd as photoelectric transformation element and microprocessor as the controller

    本文首先介紹了光學三角法測量原理，並對線陣ccd的工作原理進行了研究，以此為基礎採用氦氖激光器為光源，設計了光學聚焦及成像系統，對線陣ccd外圍電路的設計進行了理論設計和實驗研究，最後設計了以ccd為光電轉換元件，以微處理器為控制核心的非接觸式厚度測量儀及其系統。
  7. Standard test method for metal powder skeletal density by helium or nitrogen pycnometry

    用氦或氮比重瓶測定法測量金屬粉末輪廓密度的標準試驗方法
  8. This is sometimes called " retrodiction. " for example, the big bang theory makes very precise predictions about the primordial abundances of hydrogen, helium, and deuterium

    這有時被稱為「追溯」 。例如，大爆炸理論對原始時期氫氣，氦氣和氘的大量存在做出了非常精確的預測。
  9. The big bang model, which states that almost 14 billion years ago the universe started expanding from a state of extremely high density and temperature, is able to explain galaxy motions, the abundance of hydrogen and helium, and the properties of the cosmic microwave background ( cmb ), the remnant heat from the expanding and cooling gas

    大霹靂模型指出，宇宙于約140億年前自極度高溫、高密度的狀態開始擴張，這理論不但可以解釋星系運動以及宇宙中氫與氦的含量，而且還預測了宇宙擴張時，冷卻中氣體的殘餘熱輻射，也就是宇宙微波背景的各項性質。
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