查询词典 pulverized

Sample of plant leaf was pulverized with absolute alcohol in a mortar to extract chlorophyll from the leaf.

将植物叶试样置于研钵中用无水乙醇研磨，使植物叶中叶绿素溶入乙醇中。

The sunlight pulverized the melancholy of this city, the flickering ray of light bring ambiguously pleased of spirit, fill the air to open in the sky then.

阳光砸碎了着这个城市的忧郁，闪闪的光芒带来隐约的喜悦之气，便在天空里弥漫开来。

It is produced from the combustion of pulverized bituminous coal..

它由煤粉燃烧形成。

The main goal of this paper is to provide a measuring method for pulverized coal concentration using blender .

提出了利用煤粉混合器测量煤粉浓度的测量方法，介绍了煤粉浓度测量的数学模型。

This paper analyzed the actuality of traditional slip regulating speed motor using on pulverized coal feeder , introduced the application of variable frequency control technique on the pulverized coal feeder of power plant.

本文对传统滑差调速电机在锅炉给粉机中应用现状进行了分析，介绍了变频控制技术在电厂锅炉给粉机中的应用，不仅节约了能源，而且便于操作控制，增强了锅炉燃料供应的可靠性。

Cold state pure air resistance leveling method is broadly used in the feeding pipings of utility boilers' pulverized coal preparaption system.Such leveling method can not ensure resistance equilibrium among the pulverized coal feeding pipings during the boiler actual operation.

电站锅炉制粉系统送粉管道中广泛采用冷态纯空气阻力调平方法，在纯空气条件下的阻力调平不能保证锅炉实际运行时各送粉管道间的阻力平衡。

By setting up the mathematical models of the regulating objects （combusting heat transfer, heat utilization and storage, superheater and main steam pipe line）, by combining heat transfer function of regulating system and by selecting method of setting PID accoding to set attenuation index object, the corrections among PID and pulverized coal＇s caloric values are found. Now the PID can be set according to caloric values of the pulverized coal burned in the unit and the automatic control can be put into operation.

通过建立调节对象四个环节（燃烧传热过程、热量的利用和储存过程、过热器、主蒸汽管道）的数学模型，结合调节系统的传递函数，选用按给定衰减指数设定PID参数的方法，找出PID参数与煤粉热值的关系式，最终达到在机组燃烧不同热值的煤粉时可依据该方法设定不同的PID参数、并都能投自动的目的，从而有利于提高机组的稳定性，并可节约煤粉。

At present there exit many problems on pulverized coal combustion technology, for example, poor flame stability (including for low-grade fuels and low load), low combustion efficiency, serious pollution, furnace slagging and high temperature corrosion, etc. Therefore solving these problems is very important for pulverized coal-fired utility boilers.

目前我国煤粉燃烧技术中存在的主要问题是燃烧不稳定（包括劣质煤稳燃和低负荷稳燃）、燃烧效率低、污染严重、结渣和高温腐蚀问题等，解决这些问题是煤粉锅炉安全、稳定、高效和清洁燃烧的基本保证，也是今后煤粉燃烧技术的发展方向。

Problems entailed by the dense phase pulverized coal system, including the system's conveying stability,pulverized coal burnout and furnace slagging are elucidated and corresponding countermeasures sugges...

试验结果表明：与常规系统相比，正压高浓度煤粉系统具有显著的经济性，负压高浓度煤粉系统的经济性取决于系统的汽耗量。

Problems entailed by the dense phase pulverized coal system, including the system s conveying stability,pulverized coal burnout and furnace slagging are elucidated and corresponding countermeasures sugges.

分析了该技术所特有的输粉系统简化、燃烧稳定、污染物NOx排放低等特性，阐述了高浓度煤粉系统所带来的输送稳定性、煤粉燃尽和炉膛结渣等问题，并提出了相应的解决方案，比较了常规煤粉系统与高浓度煤粉系统的经济性。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。