second emission 中文意思是什麼

second emission 解釋
二次發射
  • second : adj 1 第二的；第二次的；二等（的）。2 次等的；較差的；劣於…的 （to）。3 〈美國〉較年輕的。4 另一...
  • emission : n. 1. （光、熱、氣體等的）發出，發射，射出，放射；傳播。2. （紙幣等的）發行；發行額。3. 發出物，放射物。4. 【醫學】排出；遺精。
  1. Analysis of experimental data indicates that there exist several following problems during the whole operation : first, the emission is serious and the density of hc and co smoke is very high at on and off period. second, there is oil dripping from the dripping vitta as a result of the fault of ignition system and combustion structure. the last, there might be accidents of disabled ignition resulted from the improper operation at the beginning

    通過對樣機的試驗分析和研究表明，汽車空氣燃油加熱器在整個工作過程中，其排放存在以下三個問題：一、開機和關機兩個階段的排放問題嚴重，廢氣中hc和co的濃度值及煙度測量值都很高；二、因點火系統和燃燒結構的缺陷而導致開機后一段時間內有油滴從滴油管滴落；三、在點火過程中，會出現因操作不當而點火失效的現象。
  2. Your second question is about our position on greenhouse gas emission

    你提的第二個問題，是關於我們對溫室氣體排放的態度。
  3. It is a highly variable and irregular source with x - ray emission that flickers in a hundredth of a second burst

    它是一個不規則的快速變化的x射線輻射源，每秒鐘閃爍100次。
  4. Interstellar hydrogen will emit a characteristic wave with wavelength 21cm. most of the sources of this wave are gas clouds in the spiral arms. second to the 21cm emission, the radio wave emitted by the molecular gas clouds in the arms are also good spiral arm tracers

    在旋臂中的氫氣分子云，會發射出波長為21厘米的無線電波，只要探測這些無線電波在天空中的強度分佈，便可推算出旋臂的結構。
  5. The second part presents the design process of motorcycle emission control system which including air and catalyst

    第二部分詳細介紹了二次空氣和催化轉化器相結合的摩托車排放控制系統設計過程。
  6. The application of liquefied petroleum gas ( lpg ) in engine has been popularized and applied in recent years, but one distinctive disadvantage existing in both of them when applying the first or second lpg supplying system is that the driving performance drops to some degree. toimprove the driving performance and reduce the exhaust emission is the purpose of the author and liquid lpg injection, whis is based on the third lpg electronic control injection, is studied

    近年來液化石油氣（ lpg ）用作發動機燃料已經得到了一定的推廣和應用，但是採用第一、二代lpg燃料供給技術有一個明顯的缺點就是動力性都有不同程度的下降。本文以恢復發動機動力性和降低排放為目標，在綜合對比分析三代lpg燃料供給技術的優缺點后，在第三代lpg燃料供給技術的基礎上進行了lpg液態噴射研究。
  7. The terahertz emission, which is a second - order response, and the four - wave mixing signal, a third response, are given the expressions related to the lorentz local field factor l. we found a four - wave mixing signal in the direction 2k2 - k1 for the negative time delay, and the frequency of the four - wave mixing signal has a shift related to the lorentz local field factor l

    計算之後，我們給出太赫茲輻射與四波混頻信號關于lorentz局域場因子l的表達式，發現負時間延遲時在2k _ 2 ? k _ 1方向仍有四波混頻信號，其頻率也有所改變。
  8. We clarified that if the three - level atom and the two - mode cavity field are all in the coherent superposition state, the different transition processes interfere each other, the emission spectrum exhibits phase sensitivity. second, the phase properties of the two - mode su ( 2 ) coherent field interacting with a - type three - level atom and the two - mode su ( 1, 1 ) coherent field interacting with two atoms are investigated

    我們考察了雙模su （ 2 ）相干場與型三能級原子相互作用系統以及雙模su （ 1 ， 1 ）相干場與雙原子相互作用系統中雙模光場的相位性質，證明了光場每個j迄兇博士學位論文docioraldisser 」 i人lion
  9. The project begins with the process of relating laws of vehicle emission, proposing a way to lower the engine emission of jy50qt by analyzing the 2 - stroke engine emission principle and the catalyze reaction. the experiments in this project are arranged with taguchi methods, optimized by using carburetor matching technology, catalyze conversion technology and second - air - recharge technology to jy50qt emission research in different period, and the test results meet with euroi requirement

    本課題從研究法規的進程入手，通過對二沖程發動機排放污染的機理和催化反應的機理分析，運用化油器的匹配技術、催化凈化技術和二次空氣補氣技術分階段地對jy50qt的排放進行了全面的優化，並達到了歐洲的排放要求。
  10. Under femtosecond pulse excitation at soonm, shg ( second - harmonic - generation ) emission, the two - photon excited photolumines - cence and a broad emission can easily be detected at 402. 0nm, 472. 5nm and 500 ~ 700nm, respectively

    研究表明， znse單晶在402lun處產生了二次諧波發射，觀察到472 . 5lun處的雙光子發射峰和位於500一700iun的寬熒光發射。
  11. To design multistage depressed collectors. to classify electrons by their speeds, electrons with high energy are collected by low potential and those with low energy collected by high potential ; to try to avoid second electrons " emission. besides those air pump system was introduced briefly. 4

    將電子按速度分類，高電位收集動能小的電子，低電位收集動能大的電子，使收集極幾乎不消耗能量，同時盡量避免二次電子的發射，保證行波管的工作穩定性，此外還簡單介紹了下氣體電動態系統。
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