他们忽视了山体被火山灰腐蚀的迹象！
They ignored the erosion of the mountain by the volcanic ash!
依据熔盐电化学模型讨论了熔灰腐蚀机理。
The corrosion mechanisms of melted ash are discussed on the basis of electro-chemical model of melted salts.
加入稻壳灰能够提高混凝土强度及抗腐蚀性。
Adding the ash makes concrete stronger and more resistant to corrosion.
应用灰关联分析方法解析海水环境因素与海水腐蚀性的关系。
The relationships between corrosion of steels and environmental factors in sea water have been studied by grey relational analysis method.
主要是由于冷凝器表面严重积灰堵塞，或者是受腐蚀影响而减弱了换热效果。
The main reason of which is the heat transfer efficiency is weakened by jamming heavily or corroding the surface of the condenser.
采用空泡腐蚀与定位跟踪观察交替进行的方式，研究了灰口铸铁在自来水中空泡腐蚀过程的表面形貌演变。
The surface morphology progression of grey cast iron due to cavitation erosion induced by tap water has been studied carefully by cavitation corrosion test and SEM observation in turn.
应用灰关联分析方法解析了海水环境因素与钢铁腐蚀的关系。
The relationships between corrosion of steel and environment factors in sea water have been studied by grey relationship analysis methods.
同时，以碱性印染废水代替自来水作为冲灰水，解决了自来水冲灰水呈酸性对设备的腐蚀问题。
In addition, using the alkalescent printing and dyeing wastewater to replace tap water as dust-flushing water can avoid the erosion of acidic tap water to devices.
蒸发受热面上的积灰，有时也能加速腐蚀。
Evaporation are deposited on the surface, and sometimes also can accelerate the corrosion.
对热管换热器工业应用过程中热管存在的相容性、积灰结垢和低温腐蚀等几个主要问题进行了分析，提出了相应的解决办法。
Problems such as compatibility, ash deposit and corrosion which appear in industrial application of heat-pipe exchanger are analyzed, meanwhile, measures are brought forward.
利用“数列灰预测”建立了管道腐蚀预测的新模型，介绍了三种常用的数据处理方式。
We used Array Grey Prediction method found a new model to predict pipeline's corrosion trend and introduce three typical data processing mode.
当旋风分离器分离煤、砂、飞灰、焦粉和氧化铝基催化剂等腐蚀性颗粒时，磨损是造成非计划停机的主要原因之一。
Abrasion is one of the main reasons contributing to unexpected stop, while using cyclone to separate powders coal, coke and aluminum oxide.
本公司主要生产灰口铸铁、球墨铸铁、蠕墨铸铁、耐热、耐冷及耐腐蚀等特种铸件。
Our company can produces grey iron, ductile iron, compacted graphite cast iron, heat resisting cast iron, cold resisting cast iron, and corrosion cast iron.
并指出高温腐蚀及腐蚀速率与受热面上的结灰具有腐蚀性及管壁温度有关。
The paper also points out that the corrosion at high temperature and the corrosion rate are related to the corrosiveness of fuel ash accumulated on heating surface and the temperature of tube wall.
因而腐蚀、积灰和磨损是尾部受热面运行中存在的突出问题，也是亟待解决的问题。
So the wear, ash sticking and eroding are the outstanding problems of heat recovery area of boiler, and need to solve in soon.
摘要为解决圆形热管换热器换热效率低、积灰和腐蚀严重的问题，应用椭圆管束进行了改造。
This paper discusses the effectiveness of substituting elliptic pipe bundles for round heat pipes to raise the heat exchange efficiency and prevent soot deposit and corrosion of heat exchangers.
提出了进一步改善积灰和腐蚀的措施。
The paper also recommends some measures to reduce soot deposit and corrosion.
研究成型压力对蒸压灰砂砖抗压强度和耐盐酸腐蚀能力的影响。
In this paper, the effect of molding pressure on the strength and hydrochloric acid stability of autoclaved lime_stone sand brick is studied.
研究成型压力对蒸压灰砂砖抗压强度和耐盐酸腐蚀能力的影响。
In this paper, the effect of molding pressure on the strength and hydrochloric acid stability of autoclaved lime_stone sand brick is studied.
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