查询词典 unstable solution

It is also found that the spurious dipoles are unstable in different inverse problem solution.

反之，目标函数可以得到极小优化，但出现多余的伪偶极子，且这些伪偶极子在多次不同条件的反演结果中，处于不稳定状态。

The existence of the bounded solution of unstable internal dynamics is the key to tracking reference trajectory stably.

研究表明，不稳定内部动态有界解的存在性是非最小相位系统能够稳定跟踪期望输出轨迹的关键。

Reconstruction problem is affected by noise that the solution is so unstable that other means is needed to resolve the three dimensional problem at many times.

重构问题由于受噪声影响出现解的不稳定性，致使很多时候不得不采用其他的方法来解决。

The alloy catalyst was found to be unstable in the acidic solution because of the electrochemical and chemical dissolution of the catalyst.

发现在酸性溶液中，钯铁合金催化剂对氧还原反应的催化活性不稳定，原因是钯铁合金催化剂在酸性溶液中发生电化学/化学溶解；在碱性溶液中，覆盖在电极表面的钯铁合金催化剂的质量及电化学活性面积在电化学扫描过程中不发生明显变化，保持对氧还原反应的催化活性，证明钯铁合金催化剂在碱性介质中非常稳定。

Upon irradiation with 4500±500lx strong light, JM216 was unstable in aqueous solution .

在光照下，JM216溶液稳定。

A general unstable chaotic solution of the Duffing oscillator in a double-well with weak periodic perturbations is obtained by using the direct perturbation method in this paper.

利用直接微扰的方法求出了双阱中具有弱周期微扰的Duffing 振子混沌解的一般表达式。

Cal-Red is often prepared to solid indicator because its solution is unstable.

由于钙指示剂的水溶液不稳定，通常将其配制成固体指示剂使用，但是存在着生成的络合物不够稳定、终点变色不敏锐、准确度不高等问题。

RESULTS:The povidone-idione solution was more unstable in higher pH and temperature.When the temperature was 50℃ and the pH was 8,after 15 minutes the effective idine concentration dropped to zero.

结果：当pH值与温度越高，PVP-Ⅰ稀释液越不稳定，当温度为50℃，pH值为8时15min后有效碘浓度即下降为零。

SVM is a new and outstanding learning machine and is an efficient machine-learning tool in dealing with small samples.SVM overcomes some shortcomings of neural network,such as slow convergence,unstable solution,and bad generalization ability.

支持向量机是由Vapnik等人于上世纪90年代提出的一种崭新的学习机器，它作为统计学习理论的实现方法，是处理小样本学习的有效工具。

Through the stability test, the antagonistic activity of this antimicrobial substance was heritable. At 60 ℃, the sterile liquid was stable in acidic solutionand unstable in alkaline solution.

经过稳定性的试验测定，该抗菌物质的拮抗活性具有遗传稳定性，在60℃有较高的稳定性，无菌液对酸具有稳定性，在碱性溶液中不具有稳定性。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。