pollen frequency 中文意思是什麼

pollen frequency 解釋
花粉總數
  • pollen : n. 1. 【植物；植物學】花粉。2. 【蟲類】粉面。vt. 授粉給；傳粉給；用花粉掩蓋。
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  1. ( 2 ) gene flow frequency was reduced as distance from pollen donor increased and a dramatic reduction occurred at about 2 meters. the maximum distance where gene flow was not detected was 50 m for hybrid rice while it was 70 m for ms lines, with an exception that in one of the four ms lines it was detected a frequency of gene flow 2. 8 + 10 - 6 at 150 m for zhong 9a

    在開花期主流風向ne的風速為0 . 2 ? 2 . 2m / sec的條件下， 2個雜交稻品種的最大漂流距離為40m ； 4個不育系的基因漂流基本上到60m為止， 70m處基因漂流頻率均降為0 ，僅中9a在150m處發現了1株basta抗性苗，經pcr檢測驗證為陽性。
  2. Analysis of honey - determination of the relative frequency of pollen

    蜂蜜的分析.花粉相對頻數的測定
  3. Sewall wnight thought it desirable to weight each observation directly as the pollen frequency.

    賽沃爾勞埃特認為把每次觀測直接加權作為花粉頻率是可取的。
  4. Sewall wnight thought it desirable to weight each observation directly as the pollen frequency

    賽沃爾?勞埃特認為把每次觀測直接加權作為花粉頻率是可取的。
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