介绍了采用正交函数法快速拟合通风机性能曲线的数学模型，通过算例验证了此数学模型的精确性和实用性。
The mathematical model based on orthogonal function as fan characteristic curve fitting is introduced and its precision and utility is validated through the calculating example.
采用静态阻垢法和极化曲线实验的方法，对羧乙基硫代丁二酸进行了阻垢、缓蚀性能的测定。
The corrosion-scale inhibition property of carboxyethylthiosuccinic acid was evaluated by the static scale inhibition method and polarization curves experiment.
用面元法对吊舱螺旋桨的水动力性能进行了计算，得到了吊舱推进器的敞水曲线和轴承力。
The hydrodynamic performance of podded propeller is calculated, including the open water characteristics and bearing force.
最低杀菌浓度（MBC）用肉汤稀释法，并用杀菌曲线方法比较两种喹诺酮药物杀菌性能。
The bactericidal activity of levofloxacin was tested using minimal bactericidal concentration (MBC) and killing curve methods.
充电曲线法是一种快速而有效的评价涂料防腐蚀性能的电化学方法。
It indicated that the evaluation of corrosion protection properties of the coating film by the electrochemical approach has the features of fastness, accuracy and ease.
编制了有限元分析程序，此程序可得到隧道路面板的荷载弯沉曲线，结合无破损弯沉检测法可判断隧道路面性能。
The load-flexure curve of the tunnel pavement can be obtained by FEA program, which can judge the tunnel pavement performance in corporation with nondestructive test method by deflector.
通过对TOD法进行分析，阐述了TOD法的基本思想，研究了TOD曲线和TOD准则的产生机理及其在红外成像系统现场性能评估方面的实现方法。
The generation principle of TOD curve and TOD criteria is discussed, and how to predict the IR imaging system field performance is illustrated.
通过对TOD法进行分析，阐述了TOD法的基本思想，研究了TOD曲线和TOD准则的产生机理及其在红外成像系统现场性能评估方面的实现方法。
The generation principle of TOD curve and TOD criteria is discussed, and how to predict the IR imaging system field performance is illustrated.
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