concentration ratios 中文意思是什麼

concentration ratios 解釋
集中比率
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  • ratios : 預算比率的計算
  1. Study on stability of relative concentration ratios of cu, pb, zn in soil

    鋅相對濃度比穩定性的研究
  2. Such features can be ascribed to lower degrees of partial melting and greater melting depths. in particular, the decoupling between the lowest nag and highest tig tends to indicate residual jadeite during melting process so that na behaved as a moderately compatible element to lower the naao concentration in these rocks. this is consistent with the ree patterns in the high - ti diabases that have the highest ( gd / yb ) cn ratios than other two groups, which suggest a more important role of residual garnet in generation of the primary magmas

    運用mgo = 8進行標準化，結合巖石成因理論討論了三大系列輝綠巖的形成相對深度和熔融比例，其中高ti系列的原始巖漿形成深度大，熔融比例小，源區相對最為富集易熔組分；低ti系列的熔融深度最淺，比例最大，源區相對虧損易熔組分；過渡ti系列則介於前兩大系列之間。
  3. The organs of the two species responed in different way to salinity. the ratios of roots and shoots of fresh weight of salicornia bigelovii torr. decreased with the increase of nacl concentration in medium, while the ratios of roots and shoots of fresh weight and dry weight of zea mays increased with the increase of nacl concentration in the external medium

    兩種植物的不同器官對鹽漬環境的反應也不同，隨鹽處理濃度的升高及時間的延長，畢氏海蓬子鮮重及干重基礎上的根冠比下降，而玉米鮮重及干重基礎上的根冠比呈上升趨勢。
  4. The experimental results illustrate that " particle - concentration effects " for trace metals reported in literature are mainly due to the particle dynamics in the estuary. 4. the adsorption percentage ratios of adsorptions and partitioning coefficients for trace metals in the changjiang estuary decease significantly with higher concentrations of elements

    這一模擬研究結果說明，通常文獻報道的在河口混合區某些情況下的微量金屬固-液分配的所謂「顆粒物濃度效應」主要與河口現場泥沙顆粒的物理動力學過程有關。
  5. Nh4c depletion in the pore water concentration and low n / p ratios ( 3. 7 by weight ) within the macrophyte biomass at the end of the growing period suggest that available n limits plant growth

    孔隙水濃度中nh4c的消耗和大型動植物生長末期的低氮/磷比率（重量上佔百分之3 . 7 ）表明，有效的氮元素限制了植物的生長。
  6. The results of absorption spectrum showed that the ratios of a685 to a730 are almost a constant during the increased process of chloroplast concentration

    吸收光譜實驗結果表明： a685 a730在葉綠體濃度增加的過程中幾乎不變。
  7. The result showed that physiological response were mainly affected by concentration of peg and less affected by time of peg ( 6000 ) treatment. relative water content of leaves root activity, and growth of roots and plants showed a less reduction under 10 - 20 % peg ( 6000 ) treatment, but ratios of root cap, and contains of soluble sugar, contain of pro and potassium showed a less increase. all those just described indexes showed a marked change under 25 % peg treatment

    在10 20的peg濃度脅迫下，葉片相對含水量、根系活力、根系及地上部生長量下降的幅度較小；根冠比、可溶性糖、脯氨酸（ pro ） 、 k ~ +上升的幅度也較小，而在25的peg濃度脅迫下上述指標發生了很顯著的變化，葉片相對含水量、根系活力明顯下降，可溶性糖最大含量出現的時間較20濃度脅迫的提早3d ，且較20時的最大含量小，並在延長處理3d后又開始下降，根系和地上部的生長受到嚴重抑制，且地上部影響大於根系，根冠比顯著增大，脅迫後期趨于恆定狀態，生長幾乎完全停止。
  8. There were significant negative relationships among soil microbial carbon, microbial nitrogen, basal respiration, microbial metabolic quotient, urease activity, dehydrogenase activity, nitrification, nitrogen fixation and cadmium or lead concentration ( r0. 01 = 0. 765, r0. 05 = 0. 632 ). there was a close positive relationship between soil microbial biomass c : n ratios and cadmium or lead concentration ( r = 0. 8920 )

    上述微生物活性指標與重金屬間的相關性分析表明，微生物生物量碳、基礎呼吸、微生物代謝商、脫氫酶活性與cd 、 pb的加入量呈極顯著負相關性，土壤微生物生物量c n比與cd 、 pb的加入量呈現極顯著正相關關系。
  9. This chapter also provides an approximate measure - concentration ratios - for the degree of competition. chapter 4 studies entry and exit barriers of the banking industrial organization, including entry and exit barriers theory, entry and exit barriers of foreign countries, and the correlative problems in china

    第四章「銀行產業市場壁壘研究」主要分析銀行業市場壁壘的基本概念和基本理論，包括銀行市場進入壁壘及形成因素、銀行業市場退出壁壘及影響因素等問題。
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