依据侵蚀深度和弯管工作寿命结果，推出了弯管磨损速度与输送速度之间函数关系。
Based on the corrosion depth and pipe working life, the functional relationship between the pipe bend wear speed and conveying speed is proposed.
分析完善了氯离子侵蚀环境下混凝土结构耐久寿命的预测方法。
The proposed predictive method of durability life for concrete structure under the chloride erosion environment is therefore improved.
部分金属如钴、镍、铬等在高温熔化状态可以对元件造成侵蚀，影响元件的寿命。
Some metals such as cobalt nickel chrome and so on can corrade the element in high temperature melting state and affect the service life of element.
根据试验结果对混凝土结构抵抗氯离子侵蚀耐久寿命进行预测。
According to the test results, durable life of concrete structures was predicted against Chloride erosion.
油漆的作用之一是使金属表面不受有害气体、液体等介质的侵蚀，以此来延长金属结构的使用寿命。
One of the functions of painting is avoiding metal surface from the erosion of bad gas, liquid etc. medium in order to extend the using life of metal structure.
通过对接触器通断过程的智能操作，可以减少触头的电弧侵蚀，并提高接触器的电气寿命。
By the use of intelligent operation in make and break process of ac contactors, the contacts erosion will be reduced, which lengthens causes the electrical durability of the contactor.
设计了一个BP神经网络网络模型来分析解决这一问题，研究处于硫酸盐侵蚀下混凝土结构使用寿命与环境侵蚀介质间的关系。
BP neural network model is designed to analyze and solve the problem, the relationship of operational life of concrete construction and environmental corrosion mediator.
分析结果表明，利用该方法可以比较准确地计算氯离子侵蚀环境下混凝土结构的耐久寿命。
The results show that the method proposed in this dissertation can calculate the durable life of reinforced concrete structures under chloride environment accurately.
多元灰预测模型呈现出较高的精度以预测硫酸盐侵蚀环境下混凝土的强度劣化规律和服役寿命。
Multivariate grey prediction model shows enough precision to predict the strength development and service life of concrete subjected to sulfate environment.
全焊接阀体的球阀，可以直埋于地下，使阀门内件不受侵蚀，最高使用寿命可达30年，是石油、天然气管线最理想的阀门。
Full welding of the ball valve body can be directly buried in the ground, so that in case the valve from erosion, the maximum service life of up to 30 years, oil, natural gas pipeline valve ideal.
帕拉姆板材可以抵御恶劣天气影响、防止滴露、减缓自然侵蚀和化学物质腐蚀，使您的农用结构寿命更加长久。
Palram coverings help control climatic conditions, eliminate condensation dripping, confront weathering and chemical issues and allow your agricultural structures to last longer.
与其他建筑结构一样，隧道衬砌结构会因环境因素的侵蚀而产生耐久性损伤，从而影响使用寿命，这种环境损伤作用在传统隧道衬砌结构设计方法中未定量考虑。
Just as other structures, environmental effect perform an important role during the course of durability damages in tunnel lining, and it was not considered in traditional design method.
本发明用于钢铁冶炼中连铸中间包的工作衬涂料，具有净化钢水、抗冲刷、耐侵蚀和使用寿命长的优点。
It is applied to working lining paint of continuous casting tundish in steel smelting, having advantages of purifying molten steel, resisting washing, resisting corrosion and long service life.
寿命长、易施工、不爆裂、耐侵蚀、解体性好，净化钢水。
It is of high service life, easily construction, bursting free, corrosion resistant, strong adhesion so that it can purify liquid steel.
本发明的滑动水口砖抗钢水侵蚀和抗热震性能好，使用寿命长。
The slide gate nozzle brick has the advantages of good molten steel resistance, thermal shock resistance, and long service life.
本发明的滑动水口砖抗钢水侵蚀和抗热震性能好，使用寿命长。
The slide gate nozzle brick has the advantages of good molten steel resistance, thermal shock resistance, and long service life.
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