Nitrogen is a gas without colour or smell.

1、

The plant requires nitrogen in order to make proteins.

植物需要氮以便制造蛋白质.

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2、

The mechanism of the high nitrogen stainless steel showing excellent properties also analyzed and discussed.

本文还对高氮不锈钢表现出的优异性能的机制进行了分析和讨论.

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3、

There are nitrogen, oxygen, a little carbon dioxide and water vapour.

它们分别是氮气, 氧气, 少量的二氧化碳和水蒸汽.

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4、

Second, nitrogen dioxide emissions question.

二是二氧化氮的排放问题.

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5、

NAAQSs for carbon monoxide, particulates, sulfur dioxide, nitrogen dioxide, hydrocarbons, ozone, and lead.

联邦环境保护局长已经制定了《全国环境空气质量标准》,具体制定了诸如一氧化碳、粒、氧化硫、氧化氮、氢化合物、氧和铅的含量标准.

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6、

The wrapper method commonly used gas is nitrogen, dioxide and ammonia.

该包装法常用的气体是氮气、二氧化碳和氨气.

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7、

Mycorhizae perform the function of nitrogen fixation and storage.

菌根起着固氮和贮氮的作用.

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8、

Patterns of nitrogen fixation along 10 N in the tropical Atlantic.

沿热带大西洋10N氮气固定作用的图形.

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9、

Nitrogen fixation trees of Leguminosae and non-Leguminosae are important biological nitrogen fixation resources.

摘要豆科及非豆科固氮树种是重要的生物固N资源.

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10、

Fighting nitrogen oxide on the streets is the latest twist.

在香港,水泥板上涂了二氧化钛,可以去除90%的氮氧化物.

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11、

The main pollutants of coal-firing boilers include dust, sulfur oxide , nitrogen oxide and carbon dioxide.

燃煤锅炉的主要污染物包括粉尘、硫氧化物、氮氧化物和二氧化碳.

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12、

The discharge amount of nitrogen oxide can reduce 30 %.

氮的氧化物排放量减少30%.

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13、

Reduced nicotinamide nucleotides can function as reductants to nitrogenase.

还原的烟酰胺核苷酸对固态酶可以起还原剂的作用.

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14、

Soil drought reduced moisture content and nitrogenase activity of nodules.

土壤干旱降低田菁根瘤的含水量和固氮活性.

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15、

Such formation of nitrogenous compounds promotes protein synthesis that is essential for plant growth.

这种转变促进植物合成蛋白质,以利生长.

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16、

Therefore, sufficient nitrogenous fertilizer is an essential way to prevent early senescence period of wheat growth.

因此, 保证小麦生长中后期充足的氮素供应,防止早衰是提高籽粒产量的重要途径.

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17、

This paper introduces the feature of bellows heat exchanger and its application in nitrogenous fertilizer enterprises.

介绍了波纹管换热器的特性及在氮肥企业中的应用.

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18、

Introduces the process and principle of 4 M 8 nitrogenous press electric control and instrument system.

介绍4M8氮压机电气控制过程和原理及仪表系统.

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19、

The Model L compressor is the most popular machine in the small nitrogenous fertilizer plant.

型压缩机是小氮肥行业使用最为普遍的机种.

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20、

Solids-not-fat therefore includes the protein, lactose, minerals, vitamins and minor nitrogenous compounds in milk.

因此非脂乳固体包括:蛋白质、乳糖、矿物质、维生素和少量的非蛋白氮族化合物.

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