nitrogen-fixing bacteria 中文意思是什麼

nitrogen-fixing bacteria 解釋
固氮菌
  • 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。
  • bacteria : n. pl. （sing. Bacterium ）1. 細菌。2. 〈美俚〉拳擊迷。
  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. 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。
  4. 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。
  5. 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。
  6. 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
  7. 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 。
  8. 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
  9. 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 ） 。
  10. 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
  11. 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。
  12. 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。
  13. 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。
  14. Nitrogen fixing bacteria

    固氮細菌
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