The optimum test design is obtained to minimize variance of least square estimation of the mean life at a normal stress level.
这里的最优准则是指正常应力水平下产品对数平均寿命估计的方差的极小化。
The test adopted the optimum test design of 4 factors, probed into the source and sink characteristic of the high yield maize and relation with yield in cold region.
试验采用4因素最优试验设计,探讨寒地高产玉米的源库特点及其与产量的关系。
The optimum preparation conditions were selected with orthogonal design combined with multi-index test.
通过正交实验结合多指标综合评价法优选最佳制备工艺。
Thermodynamic calculation method can be used to determine the optimum water-fuel ratio of water ramjet so as to provide reference to design and test of water ramjet.
用热力计算方法可确定水冲压发动机最佳水燃比,进而指导水冲压发动机的设计和试验。
The noncentral parameter of statistic distribution often needs to be estimated in error analysis, statistical test, deformational analysis, reliability analysis, and optimum design, etc.
在研究测量误差分析、模型误差统计检验、变形分析、可靠性分析和优化设计等问题中,经常需要对统计量分布的非中心参数进行估计。
The optimum design, test and application have been summarized.
作者总结了现场实验工艺的优选设计、试验及应用。
The structure, mechanics models and optimum design method of milling grinding pans for cutting refractory ceramics are introduced. The good performances of the pan are validated by a cutting test.
介绍了加工硬脆陶瓷用铣磨盘的结构特点、加工时的力学模型及铣磨盘的优化设计方法,并通过铣磨试验验证了铣磨盘的优良性能。
The binary tree forest data structure is used to describe the lever load system of structure test. On the basis of this description, a optimum method of load system design is studied.
采用二叉树森林数据结构来描述结构试验的杠杆加载系统,在此基础之上对加载系统的优化设计方法进行了研究。
Computer simulation, optimum design and model test for finding optimal locating dimensions of the balance ram are made.
对平衡千斤顶的定位尺寸进行了计算机模拟分析、优化设计及模型试验的研究。
An asphalt mixture base with a high void volume was designed by volume design procedure, and optimum asphalt content of mixture was determined by Marshall test.
采用体积法设计高空隙率的基体沥青混合料并通过马歇尔试验确定其最佳沥青用量;
The research contents of this article can provide some references for the bridge dynamic test and optimum design of bridge structure.
本文的研究内容可为该桥的动力测试及该类桥梁结构的优化设计提供一定的参考。
This paper deals with the perpendicular design of PVC/ABS plastics alloy prescription and analyses the test data. The optimum prescription is established.
对PVC/ABS塑料合金的配方进行了正交设计,并对试验数据进行了分析,确定了最优配方。
The optimum saponification extracting conditions of coenzyme Q10 from Aspergillus niger with ultrasonic were studied by the orthogonal test design.
采用正交实验设计法,研究了超声辅助皂化提取黑曲霉中辅酶Q10的最佳工艺条件。
The pile groups efficiency is larger than 1 in the condition of the test. The coaction of pile-soil-cap should be considered in optimum design of pile foundation.
认为类似该场地条件下群桩效率系数大于1,在实际的工程桩基设计中应考虑共同工作以优化设计。
The pile groups efficiency is larger than 1 in the condition of the test. The coaction of pile-soil-cap should be considered in optimum design of pile foundation.
认为类似该场地条件下群桩效率系数大于1,在实际的工程桩基设计中应考虑共同工作以优化设计。
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