nitrogen-fixing 中文意思是什麼

nitrogen-fixing 解釋
固氮的
  • nitrogen : n 【化學】氮，氮氣。 nitrogen chloride 三氯化氮。 nitrogen cycle 氮循環。 nitrogen dioxide 二氧化...
  • fixing : n. 1. 固著，固定；【攝影】定影，定相。2. 修理，整理。3. 〈 pl. 〉〈美國〉設備；裝飾；〈美口〉（菜肴的）配料；調味品，花色配菜。
  1. The nitrogen fixation in alpine meadow ecosystem is mainly accomplished by anaerobic nitrogen fixing bacteria. both ammonification and nitrification are the highest in 0 cm 10 cm soil depth

    從不同植被類型土壤的表層中各生理群菌數的平均值來看，反硝化細菌的數量最高，嫌氣性自生固氮菌次之，再次為氨化菌和硝化菌。
  2. In the surface layer, the dominant microbes are usually denitrifying bacteria, followed by anaerobic nitrogen fixing, ammonifying and nitrifying bacteria

    土壤氮素代謝微生物高寒草甸土壤氮素代謝微生物的數量及活性在
  3. Coralloid roots a type of root regularly produced by cycads, which contains symbiotic nitrogen - fixing cyanobacteria in root nodules, giving the roots a knobbly coral - like appearance

    珊瑚狀的根：由蘇鐵類植物產生的一種類型的根，根瘤中含有共生的固氮藍細菌，使根形成珊瑚狀的有節的形狀。
  4. Cycadophyta ( cycads ) a phylum of cone - bearing gymnosperms ( about 75 living species ) with palmlike compound leaves and special coralloid roots at or near the ground surface, which contain symbiotic nitrogen - fixing cyanobacteria

    蘇鐵綱（蘇鐵類植物） ：包含球果的一類裸子植物（現存種大約有75種） ，它們具有掌狀的復葉，在近地面處有特殊的珊瑚狀的根，根內含有共生的固氮藍細菌。
  5. The number of mold, bacteria, culturable microorganisms, aerobic nitrogen - fixing bacteria, anaerobic nitrogen - fixing bacteria, aerobic cellulose decomposition microbes, anaerobic cellulose decomposition microbes were the most in 16 - year - old organic tea garden, and the biomass carbon and nitrification of edaphon were also the strongest

    黴菌、細菌、可培養微生物總量、好氣性自生固氮菌、嫌氣性自生固氮菌、好氣性纖維分解菌、嫌氣性纖維分解菌均以16年生茶園最多，土壤微生物生物量碳和硝化作用也以16年生茶園最強。
  6. 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。
  7. Expound the role of the legumes - root nodule bacteria nitrogen fixing system in large development of west area of china, and put forward a constructive suggestion

    摘要對豆科植物-根瘤菌共生固氮體系在西部大開發中的作用進行了論述，並提出建設性意見。
  8. Yield - improving effect of rhizosphere associate nitrogen - fixing bacteria on maize wheat and sweet potato

    根際聯合固氮菌對玉米小麥及紅薯的增產效應
  9. Many legume plants may produce the beneficial isoflavones, which are vital to the formation of nitrogen - fixing root - nodules and the disease resistance response of plants. white clover ( trifolium repens ), a high quality legume forage, however, has little isoflavones. to improve the isoflavone contents of such forage, an available strategy is to introduce gene ( s ) encoding the key enzyme ( s ) in the biosynthesis pathway of insoflavones

    許多豆科植物中都含有異黃酮類化合物，異黃酮對植物根瘤的形成和植物的防禦反應至關重要，但是在牧草白三葉中缺乏這種有益的化合物，因此通過轉基因實驗將異黃酮合成酶基因導入白三葉中，提高其異黃酮的含量，增加白三葉的營養價值。
  10. Analysis of the sequence revealed that adda resembled nifs of nitrogen - fixing bacteria and dnda. the entire add gene cluster showed 78 % identity to dnd gene cluster from s. lividans

    同源性比較揭示add基因簇的adda基因與固氮酶基因nifs高度同源， add與變鉛青鏈黴菌dnd核苷酸的同一性為78 。
  11. Associative nitrogen - fixing bacteria in the rhizosphere of avena sativa in an alpine region isolation and identification

    蘭州地區鹽堿地小麥根際聯合固氮菌分離及部分特性研究
  12. The amount of major physiological group including ammonifiers, nitrogenfixing bacteria, celluosedecomposing microbes, aerobic nitrogen fixing bacteria and anaerobic nitrogen fixing bacteria all decreased. the activity of soil enzyme weakened which include invertase, urease, proteinase, acid phosphtase, catalase, polyphenol oxidase and peroxidase

    結果亦表明，紅壤礦區復墾土壤的微生物生態特徵發生了明顯改變，與對照土壤相比，土壤微生物生物量降低，但微生物商cmic corg 、代謝商qco _ 2值明顯升高（ p 0 . 05 ） 。
  13. Briefly, the method includes four steps : culturing a sample to the maximum growth of autochthonous microorganism, filtering to remove the original biomass, inoculating the filtrate with certain kind of nitrogen fixing bacterium and determining the bacterial growth potential

    該方法主要包括4個步驟：將樣本在合適的條件下培養，讓土著微生物得到最大限度的生長，然後過濾或離心去除初級生物量，在濾液中接入固氮細菌，並測定固氮細菌的生長潛能。
  14. With the isolated nitrogen fixing bacterium azomonas sp

    用在杭州西湖水域分離到的一固氮菌株azomonassp
  15. The effect of long - term organic wastewater irrigation on the soil nitrogen - fixing bacteria population

    長期有機污水灌溉對土壤固氮細菌種群的影響
  16. 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。
  17. Mycorrhizal research on nitrogen - fixing plants

    固氮菌的溶磷性和分泌植物生長素特性測定
  18. In this thesis, a strain of associative nitrogen fixing bacteria with high nitrogenase activity was selected and the further studies for it were conducted, the results obtained are as follows : selection and identification of associative nitrogen fixing bacteria with high nitrogenase activity. the nitrogenase activities detected by means of the acetylene reduction method and growth rates tested by optical density of germ suspension under the x 400nm ( od4oo ) of all the strains tested except for the strain w12 reduced gradually due to frequent subculture during a year. however, the strain w12 has been showing high and stable nitrogenase activity and growth rate since it was isolated five years ago

    固氮菌株的篩選與鑒定：測定從不同來源分離、收集和保藏的12個固氮菌株或分離物在不同保存時期的固氮酶活性和生長能力，發現多數菌株在初分離得到時固氮酶活性較高，但隨著轉接次數的增多卻逐漸喪失固氮酶活性，生長也隨之減弱，只有w12在五年前從埃及分離得到至今一直保持旺盛生長勢和較高的固氮酶活性， 48h內乙烯生成量可達1800nmol乙烯ml菌液以上，遠遠高於其它菌株，其生長量（ od _ （ 400 ）值）也遠遠高於其它菌株。
  19. The results of rice inoculation experiment in a spermosphere model system with various nitrogen - fixing bacteria suspensions showed that the strain w12 represent highest ara amongst all the strains tested, the differences between it and the other 44 strains were highly significant. moreover, the high ara of the strain w12 associated with different rice genotypes were less varied

    通過比較多個菌株與同一水稻基因型的聯合固氮效率及w12與不同基因型的水稻的聯合固氮效率，發現供試菌株中w12與水稻的聯合固氮效率最高，且遠遠高於其它菌株；同時這種高的固氮效率在不同的水稻基因型之間沒有表現出顯著差異。
  20. Aerobic nitrogen fixing bacteria were not found in the soil of alpine meadow ecosystem

    Cm土壤層最高，且均隨著土壤深度的加深而減少。
分享友人
分享到 Line

分享到臉書