查询词典 constants

From the decay rate constants variation of 4NQO excited triplet state (590 nm) of different concentration, we got the intrinsic lifetime and self-quenching rate constant of 4NQO excited triplet state.

同时，首次报道了4NQO激发三重态动力学行为的pH效应，结果表明，随着pH值的升高，4NQO的自猝灭速率常数一直有规律地增大。

First, the Lyapunov functional and variation of constants method are adopted to study the effect that Sigmoid function and the relation of resistance, capacitance and current in Hopfield neural networks have on the stability of networks. The stability criterion constructed by physics parameters is obtained. Thus how the constrained relation of physics parameters affects the stability of Hopfielf neural networks is clear. Based on the study above, the perturbation model of recurrent neural networks is constructed. And the theorems of the existence of solution of perturbation model are presented.

首先，采用Lyapunov泛函法和常数变易法研究Hopfield神经网络中给出的电阻、电容、电流之间的关系以及Sigmoid函数对网络稳定性的影响规律，得出仅由物理模型参数构成的稳定性判据，从而弄清物理模型参数约束关系对Hopfield神经网络稳定性所起的作用，在此基础上，构建了递归神经网络的扰动模型，并通过讨论扰动模型解的存在性问题，给出递归神经网络扰动模型解的存在性定理。

A series of slow drain current recovery transients at different gate biases after a short-term stress are observed in an AlGaN/GaN HEMT. As the variation of the time constants of the transients is small, the working trap is determined to be electronic.

观察了AlGaN/GaN HEMT器件在短期应力后不同栅偏置下的一组漏极电流瞬态，发现瞬态的时间常数随栅偏压变化很小，据此判断这组瞬态由电子陷阱的释放引起。

During the process of this research, the Otto configuration and KR configuration are used to proceed the special analysis on the chlorine and Halogen-methane, and through the simulative experimental investigation into the tiny variation of dielectric constants of Halogen gas, the resonant angle and depth of absorption of the to-be-investigated gas can be accurately measured. Thus, this optical measuring system can be confirmed with high sensitivity.

研究过程中，我们使用Otto组态与KR组态分别对氯气与卤族甲烷做特别的分析研究，经由卤族气体的微小介电常数差异，透过模拟实验分析后，仍然可以准确的判断出待测气体之共振角度与吸收的深度，所以利用此光学式量测系统来量测可说是具有相当之灵敏性。

Using the new comparative method, the variation of constants formula, M-matrix theory, integral differential inequality, new theoretical results on global exponential stability of neural networks with bounded time-varying delays and Lipschitz continuous activation functions have been obtained.

利用新的比较方法的思想，改进了一维线性和非线性纯时滞微分系统的3/2稳定性定理，推广了Yorke条件到具两个时滞项的情形，将Yorke等人的3/2稳定性定理推广到具两个时滞项的线性和非线性纯时滞微分系统，进一步还推广到N维纯时滞微分系统，为纯时滞神经网络的研究打下理论基础。

Ok ... now we have learned how to check the supported version number of the vertex shader hardware, how to declare a vertex shader and how to set the constants in the constant registers of a vertex shader unit.

好了。。。我们现在已经学会了如何检测系统支持的顶点着色器的版本号，如何宣告一个顶点着色器及如何在一个顶点着色单元内的常量寄存器中设置常量。

The configuration was then established through analysis of the vicinal coupling constants and 2D NMR spectra.

同时，理论研究与COSY，NOESY谱图的对照，以及偶合常数的分析、取代基效应的分析都进一步确证了该化合物的结构。

The purification of black wattle tannin by gel column chromatography showed little effect on the complex stability constants.

用柱层析提纯的黑荆树单宁对其金属络合物的稳定常数的影响不大。

Styles come and go and the only constants are wafer- thin beauties who wear it.

潮流来来去去，而唯一不变的是穿着它们的骨感美女。

The quenching rate constants between xanthone and alcohols correlate well with the -C-H bonding energy of alcohols.

由于有不同的机理，呫吨酮和醇类的猝灭速率常数比头永嗟男

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。