根据不同流型讨论了等面积圆环法确定断面平均流速时所产生的误差。
The error caused by the ring method of equivalent area to measure the mean velocity of the circular pipe is studied by the different now pattern.
自由变形圆环法作为盾构隧道管片衬砌设计的传统方法，其计算结果虽安全但偏于保守。
As a traditional method of shield tunnel segment designing, the free displacement ring method is safe but conservative.
分别用平板法及圆环法测试研究了不同代砂率的橡胶砂浆在塑性阶段及硬化早期阶段的收缩开裂性能。
Properties of anti-cracking of rubberized mortar were studied at plastic stage and hard stage by the method of board and ring devices respectively.
采用拱背非均布荷载作用模式，利用理论计算公式结合弹性匀质圆环法对某城市地铁区间隧道衬砌管片进行内力计算。
The paper introduces uneven load in the arch-back to calculate the internal force in the linking of an interval tunnel for a metro line by theoretical formula and elastic uniform rigidity ring model.
本文在圆环法试验的基础上通过平板法试验，研究分析不同水胶比和不同粉煤灰掺量对高强与高性能混凝土开裂性的影响。
This paper is aimed at introducing the flat tests on high strength and performance concrete to assess its crack-resistant property.
研究结果表明：本文提出的采用圆环法和与圆环同步的测长法相结合共同评价高强混凝土的收缩开裂趋势的方法，能较好的评价高强混凝土的收缩性能。
The result shows that the tests, which are used in this paper, including ring test and free shrinkage test, could do well in evaluating the shrinkage-cracking potential of HSC.
本文利用了解析法对电机定子面内弯曲模态的特征进行了分析，得到了圆环形薄板固有频率的理论表达式。
This thesis utilize the analytic method to stator of ultrasonic motor the curving vibration, receive the theory expression formula of the natural frequency of the round annular sheet metal.
研究了用频域法实现圆环形目标物计数的方法。
The method of counting for circular ring objects in frequency domain is proposed.
本文中提出了一种测量金属-半导体欧姆接触比接触电阻的新方法-圆环结构测试法。
In this paper, a method to determine the specific contact resistance of metal-semiconductor contact — circular ring structure method is presented.
本文采用刚塑性有限元法分析圆环压缩，并与上限法分析和试验结果进行比较。
In this paper, the rigid plastic finite element method is applied to analyze ring compression and the results are compared with those of the upper-bound method and experiments.
本文采用有限元法研究近场双圆形孔洞、圆环形衬砌对瞬态sh波的散射和动应力集中问题。
The scattering problems and the dynamic stress concentration problems of SH-wave by double circle cavities, and circle lining in near field are investigated in this thesis by the method of FEM.
根据基础激振—共振质量法测试原理设计专用的实验测试系统，对作为高速旋转引信实验机减振部件使用的新型锰铜合金圆环类部件进行动力学特性测试。
The dynamics characters of axis sleeve made of the new Mn-Cu alloy is investigated, which is used as absorber in the high-speed rotary fusee-testing machine.
根据基础激振—共振质量法测试原理设计专用的实验测试系统，对作为高速旋转引信实验机减振部件使用的新型锰铜合金圆环类部件进行动力学特性测试。
The dynamics characters of axis sleeve made of the new Mn-Cu alloy is investigated, which is used as absorber in the high-speed rotary fusee-testing machine.
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