片语

rate of biological nitrogen fixation生物固氮效率

biological l nitrogen fixation生物固氮

biological nitrogen fixation characteristic生物固氮

biological fixation nitrogen生物固氮作用

nitrogen biological fixation氮的生物固定

biological nitrogen fixation fertilizers生物固氮肥

Biological Fixation of Nitrogen生物固氮

method of biological nitrogen fixation生物固氮方法

The Biological Fixation of Nitrogen生物固定的氮

英汉例句

• nitrogen fertilizer plays an important role in agriculture. in order to develop the continually ecological agriculture, many scientists are improving and extending biological nitrogen fixation system.

  氮素化肥在农业生产中一直发挥重要作用，为了发展持续生态农业，全世界的研究者都在进行着长期不懈的努力，不断优化和拓展生物固氮系统。

• the results show that the biological nitrogen fixation is improved with the increase of c/n ratio.

  结果表明：肥料组合的c、n比越高，土壤微生物对肥料n的固定量越大。

• n-transfer from groundnut to rice was evident but no co-relation between biological nitrogen fixation and nitrogen transfer was found in this experiment.

  花生体内氮素在共生期内可以转移到水稻体内，花生固氮量和氮素转移没有相关；

• it is important to quantitatively characterize biological nitrogen fixation (bnf) of soybean for farmland fertilizer management and non-point source pollution control.

  定量描述大豆生物固氮量对于施肥管理以及农业非点源污染控制具有十分重要的意义。

• nitrogen fixation trees of leguminosae and non-leguminosae are important biological nitrogen fixation resources.

  豆科及非豆科固氮树种是重要的生物固n资源。

• the results are theoretically and practically significant for the research on biological nitrogen fixation in plants of graminae and the popularization of nitrogen-fixing bacteria.

  上述结果为羊草和冰草等禾本科牧草生物固氮的研究和固氮菌的推广提供了重要信息或奠定了基础。

• biological nitrogen fixation (bnf), which provides all the plants on the globe with 75% of fixed nitrogen, is one of the important projects in life science.

  生物固氮为全球的植物提供75%的氮素，是生命科学中的重大课题。

• 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。