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Although poliovaccination is now in its 4th year, no test exists which can accurately determine the potency of a vaccine.


While several researchers have provided empirical analysis at least consistent with the Landes model, there has been no test of the model's power for predicting individual case decisions.


All the tests proved to have limitations, and no test gave a fully quantitative measure of adhesion.


This paper presents a new effective BuiltIn Self Test (BIST) scheme that achieves 100% fault coverage with low area overhead, and without any modification of the circuit under test (CUT), i.e., no test point insertion.


Despite of the wide adoption of CFM, no test tool is available for the estimation of CFM testability.

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 Several works on the computation of spillway flow by finite elements have been reported, but in very few cases did the region computed include the free jet emerging from the bucket. The boundary condition usually adopted on the downstream section is the uniformity of velocity distribution. This is clearly unreasonable when applied to the buckettip section, as both the upper and lower free streamlines subject to the same atmospheric pressure. In this paper, computation has been extended to a portion of the free... Several works on the computation of spillway flow by finite elements have been reported, but in very few cases did the region computed include the free jet emerging from the bucket. The boundary condition usually adopted on the downstream section is the uniformity of velocity distribution. This is clearly unreasonable when applied to the buckettip section, as both the upper and lower free streamlines subject to the same atmospheric pressure. In this paper, computation has been extended to a portion of the free jet bounded by two free streamlines. The pressure distribution obtained along the bottom of the spillway agrees with experimental results, and the'velocity and pressure distribution in the jet, while no test results are available for comparison, are considered to be reasonable.  用有限元法计算溢洪道水流的工作,以往曾有所报导,但很少计算是包括挑射水流的。常用的下游断面边界条件为均匀流速分布,因上下自由流线皆承受相同的大气压,这一条件如用于挑坎末端断面是不合理的。本文中,将计算范围扩大到包括有上下两条自由流线的射流部分。计算所得沿底的压力分布和试验结果符合较好,射流内部的压力和流速分布,虽无试验结果相比,还是合理的。  In this paper, the definition of seismic settlement is given, and its influencing factors, including dynamic stress, initial consolidation pressure, cyclic number and soil type, are discussed.It is shown by the tests that, under seismic action, the soft soil presents a gradually increasing residual settlement, while the cohesionless soil shows an abrupt settlement. Empirical expressions of seismic settlement in terms of test parameters and physical indices of soil are given, which can be used when no test... In this paper, the definition of seismic settlement is given, and its influencing factors, including dynamic stress, initial consolidation pressure, cyclic number and soil type, are discussed.It is shown by the tests that, under seismic action, the soft soil presents a gradually increasing residual settlement, while the cohesionless soil shows an abrupt settlement. Empirical expressions of seismic settlement in terms of test parameters and physical indices of soil are given, which can be used when no test data are available.  本文是笔者就土壤震陷特性所做的十几年试验研究的总结。文中讨论了关于土壤震陷的定义和影响因素。试验研究表明,主要影响因素有四个:动应力,初始固结压力,振动次数和土的类型。软土的震陷表现为残余变形的逐渐增大,砂性土的则表现出震陷突变特点。给出了能反映震陷特性的经验表达式,并把各土壤的震陷参数与土的物性指标,例如含水量、相对密度、压缩模量和剪切波速等建立了关系,供无试验资料时选用。  The advent of the extralarge scale integration and its concomitant problem, random testing was concerned again in the field of data generation and analysis of effectiveness no testing pattern. The network input assumed to be random pattern, while in practice, Linear Feedback Shift Registers (LFSR) were used to generate input vectors. In this paper, the relation between the testing length in combinatorial logic and the random testing is analyzed, and the capability of path delay by using... The advent of the extralarge scale integration and its concomitant problem, random testing was concerned again in the field of data generation and analysis of effectiveness no testing pattern. The network input assumed to be random pattern, while in practice, Linear Feedback Shift Registers (LFSR) were used to generate input vectors. In this paper, the relation between the testing length in combinatorial logic and the random testing is analyzed, and the capability of path delay by using random testing is discussed.  超大规模集成电路及所伴随问题的出现,在数据产生和检测方式有效性的分析方面再次引发了对随机检测的兴趣,即网络的输入采用随机方式,在实际应用中可采用线性反馈移位寄存器(LFSR)来产生输入向量。作者分析了在组合逻辑中测试长度与随机检测之间的关系,并讨论了用随机法测试延迟路径的能力。   << 更多相关文摘 
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