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By using the software DEFORM3D, a numerical simulation of the double-sided roll forming of discal parts in 24 different cases has been carried out and the influences of the roller geometry, workpiece geometry and process parameters on the groove shape hav
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摘要利用商品化软件Deform3D,对盘型件双面辗压成形过程进行了24种不同工况的数值模拟,获得了辗压沟槽的形态特征以及工具参数、工件参数和工艺参数对沟槽形态的影响。 |
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By using the substitute structure approach, a rational linear iteration method is proposed where a target displacement is specified and the required design force, member strength and stiffness are obtained.
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其藉由使用「替代结构」,将原本复杂之结构非线性问题转化为简单易懂且较为设计者接受的线性迭代问题。 |
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By using the theorem of fixed points on cone a class of boundary value problems of fourth order difference equation was discussed and the sufficient condition of existence of one or two positive solutions was obtained.
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摘要利用锥上的不动点定理对一类四阶差分方程进行了讨论,得到了一个及两个正解的存在性的充分条件。 |
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By using the theory of stochastic stability and poisson process with time varying density, the sufficient condition for keeping the mean square asymptotically stability of systems is proved.
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利用随机稳定性理论和带时倚强度泊松过程相关原理,进一步证明了系统保持均方渐近稳定的充分条件。 |
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By using the theory of transportion chain management system (TCMS), this paper analyzed the intermodal transportation chain of Yangshan Seaport and its information system flow, brought out the constructing object and function of internodal terminal inform
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在此,运用运输链管理系统理论,分析洋山深水港多式联运运输链及其信息系统流程,提出了洋山深水港多式联运中心信息平台的建设目标与功能,初步设计了其逻辑和物理结构,分析了运输链管理系统的功能结构。 |
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By using the tractitional grey forecasting model and unbiased grey forecasting model, the deformations of series of slopes are forecasted; and the results indicate that both methods are valid and the later is more accurate.
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采用传统灰色预测模型和无偏灰色预测模型对边坡变形进行预测,预测结果表明,两种模型都是有效的,无偏灰色预测模型的精度更高。 |
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By using the transfer relationship of reciprocal judgment matrices and fuzzy complementary judgment matrix in this paper, were introduced two priority methods-least logarithm square method and least olgarithm absolute deviation method.
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摘要利用正互反判断矩阵与模糊互补判断矩阵的转换关系,探讨模糊互补判断矩阵的两种排序方法-对数最小二乘法和对数最小一乘法。 |
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By using the types of stiffeners, the thickness of the composite panels and the arrangement of the goggle pins as the parameters, mechanical performance tests were made on 9 composite panels.
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以加劲肋形式、组合板厚度和栓钉布置为参数,进行了9块组合板的力学性能试验。 |
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By using the undetermined coefficient method, a new scheme is derived from the HAUC2 scheme to simulate the two dimensional convection-diffusion equation.
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摘要运用待定系数法,建立了求解二维对流扩散方程的HAUC2格式。 |
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By using the upload bandwidth only, the individual user will not see a decrease in their download speed - in fact, the more users there are downloading the file, the faster everyone's individual download speed will be.
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上传(提供他人下载)只占用你的上传宽带,不会影响你的下载速度——事实上,同时下载该文件的人越多、下载的速度就越快。 |
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By using the viewpoints in the Theory of PPP(purchasing power parity),the Theory of IRP(interest rate parity) and the Fish Theory,and connecting with the practical situation of China,this paper discusses on the decisive effect of the monetary inflation ra
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运用购买力平价理论、利率平价理论和费雪理论中的观点,结合我国的实际情况,讨论了我国的通货膨胀率、利率对人民币汇率水平的决定作用。 |