neutral species 中文意思是什麼

neutral species 解釋
無電荷化學種
  • neutral : adj 1 中立的；中立國的。2 不偏不倚，公平的；中庸的；中間的；不倫不類的，不明確的；不鮮艷的，暗淡...
  • species : n. 〈sing. , pl. 〉1. 種類；【生物學】（物）種。2. 【邏輯學】種。3. 【原子能】核素。4. 【法律】形式。5. 【宗教】聖餐物。
  1. Elemental analysis based on the emission from plasma generated by focusing a powerful laser beam on a solid sample surface is known as laser - induced breakdown spectroscopy ( libs ). when the power density of laser on the sample surface is high enough, the sample is vaporized, and the neutral and ionic species are formed in excited states

    利用聚焦的強激光束入射固體靶表面產生激光等離子體，對等離子體中原子和離子發射譜進行雜質元素分析，這一過程叫做激光誘導擊穿譜（ laser - inducedbreakdownspectroscopy ） ，簡稱（ libs ） 。
  2. The results showed that the net photosynthetic rates of the three hex species under full light were higher than those under 45 % of full light, which were higher than those under 20 % of light, and the diurnal net photosynthetic rates varied in a double - peak curve, which reflected that the three hex species were neutral tree species

    結果表明： 3種冬青在全光照下的凈光合速率高於透光率45 %下的，透光率45 %的高於透光率20 %的，且全光照處理的凈光合速率日變化均為雙峰曲線，反映3種冬青均為中性樹種。
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