The methods for determining total nitrogen and basic nitrides content in diesel oil are described.

1、

Spalling was a major form of contact fatigue failures in nitriding steel.

氮化钢的主要接触疲劳破坏形式是剥落.

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2、

To increase production capacity of nitriding ferroalloys, reducing production cost, PSA nitrogen plant is selected.

提高氮化合金的生产能力, 降低生产成本, 采用了PSA制氮系统.

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3、

And its result is that through developing the hardness of soft-nitriding products can be remarkably increased.

结果表明通过改进可以显著提高产品软氮化硬度.

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4、

So the testing nitriding quality becomes very important.

因而,检验镗轴的氮化质量十分重要.

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5、

In this paper, technology of nitriding steel is presented.

简要介绍了离子渗氮技术的最新进展.

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6、

There are a lot of methods for measuring nitriding depth, including structural corrosion method.

现有的测量氮化层深度的方法很多, 国内大多数采用组织腐蚀法.

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7、

The surface coating of titanium coating coating, coating, nitriding, chromium nitride coating.

本色, 镀钛涂层, 氮化涂层, 氮化铬涂层.

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8、

Nitriding cannot be performed during encapsulated or post-HIP pressing due to closing of the pore structure.

氮化无法执行期间,包裹或后髋关节迫切,由于关闭的孔隙结构.

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9、

After nitriding, the abradability of the boring axis is increased greatly.

氮化可明显提高镗轴的耐磨性.

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10、

By experiment, we knew the nitriding deformation rule of joint bearing and improved the technology method.

通过实验, 掌握关节轴承氮化变形规律,改进了工艺方法,在提高零件精度和质量的同时,降低了生产成本.

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11、

The nitrogen fertilizer losses in paddy field involve nitrification-denitrification, ammonia volatilization nitrate leaching and runoff.

稻田中氮素损失途径主要有氨挥发、硝化 - 反硝化、淋洗和径流,其中氨挥发是氮素损失的主要途径.

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12、

The nitrification of the ammonium ion, however, results in the formation of an acid residue.

但铵离子的硝化会产生一种酸性残留物.

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13、

Nitrification is an important step to affect nitrogen removal in biological treatment processes.

生物脱氮系统中,硝化作用好坏是影响脱氮工艺效率的重要步骤.

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14、

A good correlation of ammonia removal efficiency, nitrification rate and TN removal efficiency was found.

氨氮去除率和硝化速率、总氮去除率具有较好的相关性.

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15、

Urea + nitrification inhibitor DMPP ( Entec 46 ), Urea + nitrification inhibitor DCD ( U + DCD ) and organic-inorganic fertilizer ( OIF ) decreased significantly nitrate content of rape.

尿素+硝化抑制剂DMPP ( Entec46 ) 、尿素+硝化抑制剂DCD ( U+DCD ) 和有机无机复混肥 ( OIF ) 3种氮肥显著降低了油菜硝酸盐含量.

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16、

In sewage containing 30 % seawater, shortcut nitrification can be achieved at moderate temperature.

生活污水中海水比例为30%中温条件下可以实现短程硝化.

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17、

Understanding of the manufacture of sulfuric acid in two ways, contact the Law and nitrification.

了解制造硫酸的两种方法, 接触法和硝化法.

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18、

Ammonia can be transformed into nitrate that can be utilized by plant via nitrification.

氨经硝化作用转化成可被植物利用硝酸盐.

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19、

In addition , the effects of sorption and nitrification on NH 4 + N transformation and tr.

就吸附作用和硝化作用对铵态氮转化迁移规律的影响作了定量讨论.

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20、

The influence of nitrification efficiency with adding nitrifying bacteria to the activated sludge process was investigation.

研究了在活性污泥工艺中用投加硝化菌的方法提高硝化效率的特性.

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