rotation age 中文意思是什麼

rotation age 解釋
輪伐齡
  • rotation : n. 1. 旋轉；輪轉；循環。2. 【天文學】自轉。3. 【物理學】旋度。4. 輪流，輪換；交替。5. 【農業】輪作；【林業】輪伐（期）。
  • age : n 1 年齡。2 成年〈滿廿一歲〉。3 老年，晚年。4 壽命；終生，一生。5 時代，時期，年代。6 〈口語〉很...
  1. Furthermore, we also reserch the influence of setllar age to stellar activity of late - type stars. the relation of stellar chromospheric activity and rotation of late - type main sequence stars depend on stellar spectral type

    大樣本分析顯示晚型主序恆星的色球活動與恆星自轉參量的研究晚型主序恆星的色球活動與恆星自轉參量間的關系表現出對恆星光譜型的依賴。
  2. Early this morning, the village on the thai - full of tension, the villagers all pause and rest all, the village ' s 1, 500 - odd men from the age of at least 10 to 60 years old, getting gathered in the square before january 1 undress rotation by elders and the police and health personnel, unequivocal have not survived the review and asked each any suspicious people on the wounds

    今天一大早，包拉傑村就充滿著緊張氣氛，村民所有作息全部停頓，全村1500多名男性，從至少10歲到60歲，通通集合在廣場前，輪流一一脫光衣服，由長老和警方及衛生人員，巨細靡遺的檢視和詢問每個人身上任何可疑的傷痕。
  3. The study has investigated and compared soil physical, chemical, biochemical properties of eight stands on paired sites in mountainous regions of northeastern china, trying to look for the mechanism of soil degradation and the change trend of soil properties in different age of plantations in relations to forest productivity. the eight stands are 4 first rotation of larix olgensis plantations with different age classes, the second rotation of larix olgensis young stand, pinus sylvestris var

    本文通過固定和典型樣地，對東北山地不同生長發育階段落葉松人工林和二代落葉松幼齡林以及與二代落葉松幼齡林同一塊林地的樟子松幼齡林、天然次生林、落葉松水曲柳混交林等8個林型土壤質量進行了對比與分析，深入探討了落葉松人工林土壤質量降低的機理和不同發育階段土壤質量變化規律以及與森林生產力變化的關系，並提出了林地土壤質量調控措施。
  4. Maximum efficiency is obtained by the continous reappraisal of the breading-value of each selected tree as it approaches rotation age.

    只有到樹木接近輪伐期時，對所選的每株樹木的育種值，應作反復多次的評價，才有可能獲得最大的效益。
  5. The highest avermectin yielding were obtained when the fermentation conditions were as follows : temperature 28 @, inoculation 12 %, rotation 210 r. p. m, seed age of 30h. it was found that the ammonia ion could distinctly inhibit biosynthesis of avermectin and the mechanism of this phenomenon was investigated. k2hpo4 and mgso4 did not inhibit or increase the avermectin yielding

    發酵時間9 - 10天開始迅速合成阿維菌素；溫度28最好；接種量12使阿維菌素的產量較高；轉速210轉分較為適合產生阿維菌素的通氣量；選用30小時左右的種mx齡可使阿維菌素的產量提高。
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