fixation of nitrogen 中文意思是什麼

fixation of nitrogen 解釋
氮固定＜法
  • fixation : n. 1. 固定；凝固。2. 凝視。3. 【心理學】（青春早期的）固戀。4. 【攝影】定相；定影。
  • of : OF ＝Old French 古法語。
  • nitrogen : n 【化學】氮，氮氣。 nitrogen chloride 三氯化氮。 nitrogen cycle 氮循環。 nitrogen dioxide 二氧化...
  1. The order of four soil biochemical intensity being sensitive to heavy metal pollution indicated as : nitrification > nitrogen fixation > decomposition of cellulose > ammonification. however, soil microbial biomass c : n ratio increased with the increasing of heavy metals level

    幾種生化作用強度的下降順序為硝化作用固氮作用纖維素分解強度氨化作用；但土壤微生物生物量碳氮比則隨著重金屬污染水平的升高而增加。
  2. Interaction of associative nitrogen - fixation bacteria with evcaiyptus

    固氮植物的菌根研究
  3. Among the blue-green algae are many species of nitrogen fixation.

    許多種藍藻有固氮的能力。
  4. Mycorhizae perform the function of nitrogen fixation and storage.

    菌根起著固氮和貯氮的作用。
  5. It has been 40 years since dobereiner and ruschel isolated the nitrogen - fixing bacteria from the rhizosphere of sugarcance plants and demonstrated the potential of diazotrophs to associate with graminaceous plants. more recent evidence of significant biological nitrogen fixation in economical important graminous species, particularly sugar cane, rice and forage grasses, has induced tremendous interest in ni fixation by non - legumes

    本研究分離、篩選得到一株固氮酶活性高且穩定，生長勢強的聯合固氮菌株，並對其分類地位、形態及生理特徵、對環境的適應性及其對植物的促生效果和作用機理作了系統研究，得結果如下。
  6. This approach seeks to use various sources of plant nutrients, mineral fertilizers, organic manures, crop residues and biological nitrogen fixation for each farm ' s cropping system and offers the farmers the best opportunity for sustainability while protecting the environment and conserving the resources

    這一方法，為每個農場的種植制度尋求利用各種植物養分資源，諸如礦質肥料、有機肥料、作物殘體和生物固氮，並且在保護環境和資源的同時，給農民提供更好的持續發展生產的機會。
  7. Study on nodulation and nitrogen fixation of azospirillum brasilense induced by 2, 4 - d in the roots of maize

    誘導固氮螺菌在玉米根部結瘤及固氮效果的研究
  8. We conclude that the gene we studied is a new loci required for efficient nitrogen fixation and for competitive nodulation of soybeans by bradyrhizobium japonicum strain gx201

    我們認為在突變體菌株gx217中tn5gusa5所插入的開放閱讀框架是一個新的與競爭結瘤有關的基因。
  9. The growth period, nitrogen fixation, growth condition and other growth characteristics of nostoc. sp were studied

    摘要研究了念珠藻的生長周期、固氮特性、生長條件等生長特性。
  10. It showed that the nostoc. sp of this experiment has nitrogen fixation ; phosphorus can restrain its growth effectively ; its growth needs long time illumination and so on

    得出本實驗念珠藻可以固氮；磷能有效制約其生長；需要長時間的光照等結果。
  11. Association nitrogen fixation of rice inoculated with ammonia resistant engineering strain alcaligenes faecalis

    糞產堿菌耐銨工程菌與水稻聯合共生固氮作用
  12. Nitrogen fixation of termite and bacteria isolated from its hindgut

    白蟻及其腸道細菌的固氮作用研究
  13. Nitrogen fixation trees of leguminosae and non - leguminosae are important biological nitrogen fixation resources

    摘要豆科及非豆科固氮樹種是重要的生物固n資源。
  14. The effect of cobalt on symbiotic nitrogen fixation of soybean

    鈷肥對大豆根瘤固氮及產量影響的初報
  15. The paper reviews home and overseas research works on exhumation and use of nitrogen - fixing resource, genetics engineering of nitrogen fixation, and biochemistry of nitrogenase and chemical modeling of biological nitrogen fixation, and describe the prospect of biological nitrogen - fixing research

    本文從固氮資源的發掘和利用、固氮的遺傳工程以及固氮酶生物化學和化學模擬生物固氮三方面對國內外的研究進展進行了全面的闡述，並對生物固氮研究的前景進行了展望。
  16. Because of the nitrogen fixation of legumes, even though legume forages absobed more nitrogen than grass forages, the soil nitrogen and organic matter used by legume forages were less than grass forages

    豆科牧草耗氮量雖然比禾本科牧草多，但由於豆科牧草具有固氮作用，因而對土壤全氮和有機質的消耗量卻比禾本科牧草低。
  17. Study on associated nitrogen fixation of sev eral sympodial bamboo species

    聯合固氮細菌的分離鑒定及固氮活性
  18. On the 90th day, the content of organic matter of soil samples under illumination condition was 2 - 3 times more than that of the beginning. ( 4 ) micro - algae can decompose organic phosphorus into inorganic phosphorus and increase the content or the potential content of soil available phosphorus. ( 5 ) theoretically, because of some micro - algae ' s nitrogen fixation, the sterile soil ' s content of nitrogen should increase, but in 90 days, its increment could not be determined

    （ 3 ）土壤微藻通過光合作用將二氧化碳合成為有機物，增加土壤的有機質含量，在90天的實驗期內，有微藻生長的土樣內的有機質含量是對照組的2 - 3倍。 （ 4 ）土壤微藻作為溶磷微生物之一能夠將有機態磷礦化成無機態磷，增加貧瘠土壤有效磷的含量或潛在的含量。
  19. The soil nitrogen status is a function of the processes of nitrogen fixation, microbial decomposition, nitrification and denitrification.

    土壤氮狀況是一個固氮、微生物分解、硝酸化和脫氮過程的作用。
  20. Nitrogen fixation of three - phase foam and its inerting properties

    含氮氣三相泡沫的固氮及惰化特性
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