The authors recommend a way for estimating the percentage of pinhole in solidified aluminum alloy by measuring its free linear expansion during the solidification.
研究一种快速测报铝合金针孔度的方法。该方法是在铝合金凝聚固过程中,通过测量其因氢析出所产生的自由线膨胀而进行针孔度预测的。
Because the BP neural network may realize the free linearity or the non-linear function mapping, it may satisfy the request of the forecast for the endpoint oxygen content.
由于BP神经网络可以实现任意线性或非线性的函数映射,所以可以满足终点氧含量的预报要求。
In the case of small angular displacement, the natural frequency of the corresponding damping-free linear system is obtained, which is consistent with the experimental observation.
在小角位移的情形下,可近似得到相应的无阻尼线性系统的固有频率,它与观测结果吻合。
The influence of activator on strength and free linear dilatability and sulfate resistance of chemical waste gypsum - fly ash new road building material as well as action of water reducer are studied.
研究了激发剂对化工废石膏—粉煤灰新型道路建筑材料的强度和自由线膨胀率等性能的影响,以及减水剂的作用和新型道路建筑材料的抗硫酸盐侵蚀性能等。
Previous experiments and simulations, however, indicated that the free energy of hydration did not match this predicted linear trend.
然而,过去的研究和模拟表明,烷烃的水化自由能并不符合预计的线性变化趋势。
The Sequitur compression algorithm is a linear-time online algorithm that forms a context-free grammar for a given string input.
Sequitur压缩算法是线性时间在线算法,为给定的字符串输入生成了一种与上下文无关的语法。
This paper gives an exact solution for free vibration of a physically nonuniform straight bar with varying section by the use of a class of integrable linear ordinary differential equation.
本文应用可积的一类线性微分方程求出了非均质变截面弹性直杆振动问题的一个精确解,我们应用这一精确解验证了渐近解的精确度。
It rejects the traditional linear narration, cutting the story into many "tiny plots" in disorder and linking them again, thus making the narrative time quite free and get great "liberation".
它一反传统小说的线性叙事,把多条故事线索切割成多个“情节小块”打乱顺序穿插起来,使叙事时间得到了空前的“解放”。
This paper deals with the free torsional vibration characteristics of non-linear elastic shaft with multi-degree of freedom.
就一个三质量的具有非线性弹性轴系统的自由扭转振动特性进行了探讨。
The present thesis is devoted to studying the propagation of femtosecond pulsed beams in free space, linear dispersive media, and through lenses.
本论文对飞秒脉冲光束通过自由空间、线性色散介质和单透镜的传输特性作了深入研究。
The paper demonstrated the method for solving the parameters of the linear diffusive wave equation under free downstream condition by using genetic algorithms.
以线性扩散波方程在自由下边界条件下的解析解为例,利用遗传算法来确定扩散波方程的参数。
Three kinds of models of carrier phase observation value linear combination are deduced such as wide lane, narrow lane and free ionosphere.
推导了三种载波相位观测量线性组合的模型:宽巷组合、窄巷组合和无电离层延迟的组合。
Experimental results show that the flexural strength of the melt_infiltrated silicon carbide decreased linearly with increase of free silicon content, obeying the linear mixture rule.
结果表明:渗硅碳化硅材料中随游离硅含量的增加,其抗弯强度下降,并且二者呈直线关系,符合线性复合规则。
It is observed that linear free energy relationship (LFER) exists in the ternary systems.
观察到在三元体系中存在着直线自由能关系(LFER)。
A link substructure composed of a group of linear and nonlinear link units, can be used in the free interface modal synthesis technique to set up nonlinear vibration equations.
提出一种由线性连接元和非线性连接元组成的连接子结构,并将这种连接子结构用于自由界面的模态综合技术。
Methods the free amino group in the deacetylated chitosan was determined by linear titration.
方法用线性滴定测定壳聚糖(游离胺基)的含量。
An accurate linear damping calculation formula for free vibration system has been deduced and the application limits of the corresponding approximate calculation formula has been discussed as well.
本文推导出了自由衰减系统线性内耗准确计算公式,并讨论了原有的自由衰减系统线性内耗近似计算公式应用范围。
The use of the free undamped normal modes is seen to ensure that the linear and angular momenta of the distortional motion vanish.
看来采用自由无阻尼正规模态可保证变形运动的线动量和角动量为零。
This paper expounded a linear free energy relationship, made comments on important linear free energy relationships, and discussed briefly its wide applications in organic chemistry study.
本文阐述了线性自由能原理,评述了几种重要的线性自由能关系,简述了该原理在有机化学研究中的广泛应用。
This paper gives a quantum mechanical analysis of the interaction between the electromagnetic field and the electron beam of free electron stimulated emission devices or linear electron accelerator.
本文对自由电子受激辐射器件与电子直线加速器中的电子注与电磁场的相互作用进行了量子力学分析,认为电子注的电子结构应由束缚电子对组成。
The results indicated that the correlation relation coincides with the linear free energy relationship (LFER).
结果证实,其关系符合线性自由能关系式。
The testing results indicate that the hoisting time of driving device can meet the practical demands and the positioning mechanism of linear electric motor is free and reliable.
试验结果表明,驱动装置水平布置时,其提升时间满足实际要求;直线电机次级板定位机构动作灵敏可靠。
But in the harsh conditions, such as the becoming temperature in free space experiments, these two methods can not guarantee linear laser modulation, effects of poor communication.
但在温度等条件恶劣的自由空间实验中,这两种方法都不能保证激光线性调制,通信效果很差。
The model free controller is a structure adaptive controller, which is a product of the approach of modeling and control unity and the concepts of PID and linear frame.
指出无模型控制器是一种结构自适应控制器,它是“建模与控制一体化”,冲破p、I、D和线性框架的束缚的产物。
Structural free vibration characterization and seismic response were calculated by means of beam-plate linear mathematical model of finite element method.
采用梁、板线性有限元数学模型计算了结构自振特性和地震响应。
According to the data of free decay experiment of the model of 15000 tons container ship, the non-linear roll damping coefficients are obtained.
根据15000吨集装箱船的船模实验结果,得到了集装箱船的非线性横摇阻尼系数。
This model considers free surface boundary, flux boundary, horizontal flow barrier, well boundary, non-linear characteristics of soils and dynamic change of permeability coefficient with stress state.
该模型考虑了自由面边界、流量边界、基坑围护连续墙、井边界、土体非线性特性、土的渗透性随应力状态的变化。
The oil film forces under free boundary conditions are solved by finite element discrete variational inequalities and iterative method based on complementary principle in linear programming.
利用有限元离散变分不等原理和基于线性规划余原理的迭代方法,求解自由边值条件下的油膜力。
The objective function of total Gibbs free energy of system is linearized to solve the optimality problem by linear programming.
将目标函数(物系总自由焓)作线性化处理,用单纯形法求解线性化后的寻优问题。
The objective function of total Gibbs free energy of system is linearized to solve the optimality problem by linear programming.
将目标函数(物系总自由焓)作线性化处理,用单纯形法求解线性化后的寻优问题。
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