| 1. | Maximal and minimal value principle of differentiable functions on noncompact complete riemannian manifold
非紧完备黎曼流形上可微函数的极值原理 |
| 2. | Some goods from the more industrialized factories might not fill a container , but minimal values are always in the thousands of dollars
来自工业化工厂里的产品有时也不会被装进集装箱，但是最小的金额也要在上千美元。 |
| 3. | To improve the velocity of neural network and avoid the minimal value , genetic algorithms as the training algorithm of neural network is adopted
为了提高网络的收敛速度和避免网络陷入局部极小值，采用遗传算法作为该神经网络模型系统的训练算法。 |
| 4. | According to the fact , we can give a minimal value of mtbf . when one value is smaller than the minimality , the relevant time may be thought of the theoretical lifetime of system
求出mtbf随时间的变化曲线，根据实际的情况设定一个最小的mtbf值，如果小于该值，那么对应的时间可认为是该系统的预计的理论寿命。 |
| 5. | Through analyzing the minimal value of potential function , the transformation of the system in macroscopic status was commentated . therefore , we draw a conclusion that logistics business outsourcing was good for manufacturing enterprise
从协同学的角度，运用简明的数学语言来说明将物流业务运作外包给第三方物流公司对生产型企业的好处。 |
| 6. | Statistics analysis shows that , the maximal corrosion depth on steel pressure vessels and pipelines is subject to - type max value distribution , and the corrosion fatigue life belongs to - type minimal value distribution
摘要在已有研究成果的基础上，借助数理统计方法，分析认为介质及环境对钢制压力容器与压力管道的最大腐蚀深度符合型极大值分布，耐腐蚀寿命属于型极小值分布。 |
| 7. | The v was tested by yjy stress transducer with mvad card by the methods of recording the deformation in the wideness and thickness direction of the specimens during the tensile test . a stable auxetic polyolefin blend with the minimal value - 1 . 4 was observed after repeated test
采用附有mvad通道卡的yjy型片式传感器，记录试样在拉伸过程中宽度和厚度方向的形变并根据泊松比的定义进行计算，反复实验后获得最小值为- 1 . 4的负泊松比烯烃共混体系。 |
| 8. | Based on the analysis of designed cad graphics and the given parameters , computer can convert the cad graphics to a acdbpolyline which can simulate the routine of the conveyor chain . then by using the method of point - by - point strain calculation , computer could figure out each point ’ s strain of the chains under different load states , and get the results such as strain ’ s maximal and the minimal values and their positions , weight of the strain equipment and power of the drive electric - machinery that the conveyor need
通过对设计的cad图形和给定参数的分析,将输送链运行轨迹转化为一条可模拟输送链轨迹的多义线,然后用逐点张力计算法动态地计算出各种加载状态下输送链上各点的受力,得出最大、最小受力点的力的大小和位置,拉紧装置的重量,驱动电机所需的功率等结果。 |
| 9. | Accordring to basic concept and assumes essentially on the basic of sweden method of slices , be living below the maximum equilibrium state , the function expression about stability safety homogeneous slop is deduced , and the slope surface is consist of two lines and an arc , afterwards according to analysis theory of minimal value ruling on the basic of the maximum , genetic algorithm is applied to slove the dangerousest slide situation and radius and corresponding safely factor
根据瑞典圆弧法的基本概念和基本假定，在极限平衡状态下，推导了两直线段均质斜坡稳定性安全系数函数表达式，然后根据极限分析理论的极小值原理，利用遗传算法，求出了边坡稳定性安全系数极小值，并得到最危险滑动面的滑弧半径和滑弧中心坐标。 |
| 10. | Neural network system which can self study and self adapt can well solve the shortcoming , there still have the shortcoming of low training speed ， apt to get into local minimal value and poor macrocosm searching ability for neural network . after studying genetic algorithms , it was found that ga can better mend the shortcoming
但是神经网络存在训练速度慢，易陷入局域极小值和全局搜索能力弱等缺点。在研究了遗传算法后，发现它可以较好地改进以上的缺点。所以在此基础上，利用进化神经网络，采取bp算法和遗传算法建立了真核生物基因启动子识别模型。 |
