微系统

This paper describes a design approach of an improved microstrip interdigital filter by Ansoft' Desinger software.

0引言微波带通滤波器是现代电子系统中的关键部件之一。在实际应用电路中，微带滤波器容易与其他无源微波电路和有源微波电路器件集成，实现微波部件和系统的集成化。

At the same time, for practical system, such as engineering field, especially artificial intelligence and control field, multi-objective, nonlinear, nondifferentiable and intermix systems come forth. Some problems which cant be solved by classic optimization methods must be solved by computation intelligence technology.

同时，对于实际系统，例如工程领域，特别是人工智能与控制领域，不断涌现出多目标、非线性、不可微甚至混杂的系统，经典优化方法不能有效求解的优化问题，必须采用计算智能技术。

This dissertation theoretically demonstrates the feasibility to achieve constant direct current-stimulation-circuitry under microampere , bring forward design scheme software and hardware system using in cellular electrical stimulation. In order to further quantitatively research on direct current-stimulation and ascertain the best intensity and density and stimulative current , the quantitative and qualitative analyse for gained diagnostic data are also been discussed in this paper.

本文正是从该理论基础出发，论证了实现微安级直流电刺激的离体组织细胞生长培养实验系统的可行性，提出了用于刺激实验的软硬件系统的开发放案，并对采集数据的定量和定性的分析作了初步的探讨，希望通过实验能够初步确定适合该组织细胞生长培养的最佳刺激电流和最佳刺激时间。

In other words, the internal system bus in DDR2 memory microcircuit is4 times wider in comparison with its external system bus.

换句话说，内部系统总线DDR2内存微是4倍相比，其外部系统总线。

The main studying results are as follows:(1) The high precision capacity micrometry device is described all-sided and systematically. The solving scheme of data acquisition system and data processing are put forth.

主要研究结果分别为：(1)全面系统地论述了高精度电容测微器技术，并提出了数据采集系统和数据处理解决方案。

In order to prevent the enviroment limits and avoid the misjudgement, software stability should be constantly debugged and checked so as to be improved entirely.

要想克服环境因素限制和避免不正常微动信号造成系统的误判，需要不断调试、检测软件系统的稳定性，从而逐步完善整体性能。

Bone marrow mesenchymal stem cells are multipotential progenitors of connective tissues and bone marrow stroma as well, which implies the modulatory function of MSCs in hematopoiesis.

体内的稳态造血依赖于复杂而完整的骨髓造血微环境系统，其中的细胞成分是该系统的关键。

In the study of the nonlinear dynamics, Melnikov function is widely used as a criterion to check whether subharmonic or ultra-subharmonic bifurcation even chaos will occur in a perturbed Hamilton system.

在非线性动力系统的研究中， Melnikov函数被广泛地用来作为微扰哈密顿系统是否发生次谐或超次谐分岔乃至混沌的判据。

In this article,we firstly study the Rabi model in a concise coherent statemethod and give some results and then a non-perturbative and systematic coherentstate approximation is pointed out to solve the Spin-Boson model.

在这篇论文中，我们首先研究了无旋波近似的J-C模型，给出一些简单的结果，然后在耗散二态系统的研究过程中，给出一套非微扰的、系统的方法-相干近似法。

As a key part of the infrared simulation system,the performance of suspend resistor array is very important.

微桥电阻阵列作为红外仿真系统的核心器件，其性能的提高对红外仿真系统的发展至关重要。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。