固氮菌

[gù dàn jūn]

汉英

网络释义

例句

释义:
全部全部,AzotobacterAzotobacter,azotobacteriaazotobacteria,Nitrogen fixing bacteriaNitrogen fixing bacteria
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,难难
1.
Scientists were working with a microbe called Azotobacter vinelandii, which is found around the roots of various food plants.
科学家利用的微生物名叫棕色固氮菌（Azotobactervinelandii），它们存在于各种粮食作物的根系。
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2.
Early study object of the biological nitrogen fixation bacterium is the Rhizobium which related to the nitrogen fixation of the Leguminosae.
其中研究的较早的生物固氮菌是与豆科植物共生固氮的根瘤菌。
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3.
Researchers have focused on the variety of nitrogen-fixing organisms which convert N2 from the atmosphere into forms for plant assimilation.
研究者重点研究了能把大气中氮气转化为植物可利用形式的固氮菌的种类。
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4.
Within the nodules the bacteria convert free nitrogen to nitrates, which the host plant uses for its development.
根瘤内的固氮菌将游离氮转化为硝酸盐，被宿主植物在发育中利用。
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5.
When soil is poorly aerated, the activity of nitrogen-fixing bacteria is slowed down. This results in reduced soil fertility.
当土壤通气不良时，固氮菌的活性降低，导致土壤肥力降低。
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6.
However, the number of aerobic azotobacter is different due to different planting years. 2.
固氮菌数量在棉花苗期和花蕾期随种植年限变化有显著差异。
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7.
The population of NF was influenced by the quantity of chicken feces added as composting material.
鸡粪-锯木屑的添加与混合比例会影响固氮菌的族群数量。
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8.
Induction and ultrastructure for cysts of Azotobacter .
固氮菌孢囊的诱导及其超微结构。
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9.
When adding sucrose as carbon resource, the nitrogen-fixing quantity of nitrogen-fixing bacteria is the biggest. 5.
当添加的碳源为蔗糖时，固氮菌的固氮量最大。
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10.
As to same tea age, the population of azotobacter became smaller with the soil fertility decrease.
相同茶龄的土壤中固氮菌的数量随土壤肥力的降低而减少；
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