相并地

We organized and identified the specimens which collected in the insects specimens laboratory of life science and technology department of Xinjiang university, from almost everywhere of Xinjiang with combination of the conventional methods and the electroscopic scanning technique.

本文采用常规鉴定方法与雄性外生殖器解剖相结合，辅以扫描电镜观察，对收藏于新疆大学生命科学与技术学院昆虫室20年来积累的标本及三年在校期间系统地采集于全疆各地的拟步甲类标本进行了整理与鉴定，结合野外考察及重要类群的生物学研究，研究其区系成份，并对其区系特征及地理分布状况进行了系统的分析，主要研究成果如下：1）初步查明新疆拟步甲科昆虫共计266种，分隶于23族72属，其中35种为中国新记录种，3种为拟步甲类新种，作新种记述，并附图片；在研究过程中初步探讨了拟步甲的中文命名问题； 2）新疆拟步甲种类繁多，其区系成分分析显示，除12种为广布种以外，共有6种区系成分，其中中亚细亚种为最多，有87种，占已种的32.7﹪；其次依次为中央亚细亚种和特有种，分别为81种和65种，各占已知种类的30.5﹪和24.4﹪；泛古北种12种，占4.5﹪；欧洲西伯利亚种7种，占2.6﹪；欧洲中亚种最少，仅有2种，占0.75﹪，并根据新疆拟步甲科昆虫区系成分分析了其起源问题； 3）新疆拟步甲科昆虫的地理分布表明，分布于准噶尔盆地的种类最为丰富，计161种，占新疆已知种的60.5﹪；其次是塔里木盆地92种，占已知种的34.6﹪；东疆诸盆地63种，占23.7﹪；伊犁谷地56种，占21.1﹪；在三大山系中，天山山系的拟步甲种类最多，为54种，占20.3﹪；阿尔泰山山系28种，占10.5﹪；昆仑山山系13种，占4.9﹪。

Based on the requisition of wireless system debugging, this paper develops a novel radio-frequency beaconing. Design method and system constitution of a novel beaconing based on PLL IC PE3336 are given, and the accomplish method of the system's hardware and software arc expounded. The test results show that the beaconing adopted in this method has a reliable and stable frequency conversion features. The more applications in the wireless system find that the users can set necessary frequency conveniently. Especial1, the friendly man-machine interface makes the operation is more flexible. It is as excellent performance-price-ratio beaconing, and as a signal source, it can be used in the research and the debug procession of variable radio-frequency components.

根据无线电数据链系统及部件的调试需要，研制开发了一种新型的以锁相环为核心、由单片机控制的射频信标机；文中给出了基于锁相环芯片PE3336的新型信标机的设计方法与系统组成，阐述了系统硬件及软件的具体实现为法；测试结果表明，利用该方法设计的信标机具有稳定、可靠的变频特性，且各项指标均达到了要求；进一步在某无线电系统中的应用发现，用户可方便地设置所需频点；特别是友好的人机界面，使用户操作更为灵活方便，是一种性能价格比优良的信标机；并可作为信源用于不同的射频部件研制与调试过程中。

The process, mechanism and model of stress conduced γ〓δ phase transformation have been suggested.

同时，完整地阐述了INCONEL718合金中γ〓δ的相变机制，并提出了这种相变的模型。

this paper makes the gas remote monitor network as background to do some research on the qos guarantee of the network.qos is a synthesis guide line which can be used to estimate the degree to satisfy with some server,which is a technology to solve the problem of delay and congestion in network.it must integrate multi-qos mechanism to get good qos guarantee in the practical application.three qos models in the ip net application and homologized affective factors are demonstrated.meanwhile,the field of qos protection strategy arrangement in shaanxi coal mine gas network has been picked up as the example.for this situation,the comparison to the different qos models is doing strictly.by combining the tcp congestion control arithmetic with ip congestion control arithmetic,the paper also emphatically describes the corresponded arithmetic model for that.stimulatingly,it is promoted the qos characteristic over-area effectively,which it is based on the original single congestion control.

摘 要：以陕西煤矿瓦斯监测远程联网为背景，研究其联网网络的qos保障策略实现。由于现有的各种qos实现机制无法单独为陕西煤矿瓦斯监测联网网络的qos提供保障，因此在实际应用中必须结合多种机制才能得到较好的qos保障效果。比较了传统ip网络的qos结构体系，通过分析intserv和diffserv两种模型的基本原理、工作方式，并指出其各自的优缺点和网络应用环境，设计了将rsvp协议与diffserv模型相结合来满足瓦斯监测数据传输实时性的要求；针对陕西煤矿瓦斯联网的特性，提出了将tcp拥塞控制算法与ip层拥塞控制算法相结合的算法模型，并且该模型的应用可以在原有单一拥塞控制的基础上有效地提升跨地区网络的qos特性。

this paper makes the gas remote monitor network as background to do some research on the qos guarantee of the network.qos is a synthesis guide line which can be used to estimate the degree to satisfy with some server,which is a technology to solve the problem of delay and congestion in network.it must integrate multi-qos mechanism to get good qos guarantee in the practical application.three qos models in the ip net application and homologized affective factors are demonstrated.meanwhile,the field of qos protection strategy arrangement in shaanxi coal mine gas network has been picked up as the example.for this situation,the comparison to the different qos models is doing strictly.by combining the tcp congestion control arithmetic with ip congestion control arithmetic,the paper also emphatically describes the corresponded arithmetic model for that.stimulatingly,it is promoted the qos characteristic over-area effectively,which it is based on the original single congestion control.

摘 要：以陕西煤矿瓦斯监测远程联网为背景，研究其联网网络的qos保障策略实现。由于现有的各种qos实现机制无法单独为陕西煤矿瓦斯监测联网网络的qos提供保障，因此在实际应用中必须结合多种机制才能得到较好的qos保障效果。比较了传统ip网络的qos结构体系，通过分析intserv和diffserv两种模型的基本原理、工作方式，并指出其各自的优缺点和网络应用环境，设计了将rsvp协议与diffserv模型相结合来满足瓦斯监测数据传输实时性的要求；针对陕西煤矿瓦斯联网的特性，提出了将tcp拥塞控制算法与ip层拥塞控制算法相结合的算法模型，并且该模型的应用可以在原有单一拥塞控制的基础上有效地提升跨地区网络的qos特性。关键词：服务质量；综合服务模型；区分服务模型；拥塞控制

Lastly, anti-jamming method based on jittering orthogonal codes at different moments is studied, orthogonal codes are searched with the genetic algorithm, and random initial phase is also used in this method, so great anti-jamming performance is gotten, and the performance is testified through the simulation.

提出了基于正交编码捷变的抗干扰方法，使用遗传算法搜索正交编码集，在不同的慢时刻使用相互正交的编码信号，并与随机初相方法相结合，有效地抑制了基于转发的有源干扰。

Investigation on the effect of Sn/Pb - dopped Bi - 2212 superconductors has been canied out by the X - raydiffraction, together with simultaneous measurements of the spectra Of POsitron annihilation lifetime and positronDoppler broadening.

以X射线物相分析为主要实验手段，并结合正电子寿命谱和多普勒展宽谱和电阻测量，系统地研究了在不同的锡掺杂量下，Bi－2212超导相结构细节及电子态的变化。

More accurate crystallographic parameters and improved mathematical model were used in simulating the formations of 3D plate-shaped or 2D lenticular-shaped Ni4Ti3 variants.

与二维模型相比，本研究采用了准确的晶体学参数及改进的数学模型，获得了更为直观及合理的三维盘状变体及二维透镜状变体； Ni4Ti3沉淀相的长度、宽度和面积分数随时间的变化分别遵循指数、线性和对数关系；且其长度与宽度的比值并非恒定值，在生长初期该比值有较大的增速而随后逐渐减慢，能很好地解释沉淀相盘状及透镜状形貌特征形成的原因并与相关实验结果吻合。

A time-delay reconstruction of a phase space equal to the original system has been made by analyzing of observed time series of current signal and vibratory signal, and the methods of choosing properly the embedding dimension and delay-time for phase space reconstruction have been studied in detail.

本文利用振动信号和电流信号时间序列，采用时间延迟法，重构了系统的等价相空间，并详细研究了嵌入维数及时间延迟的选择对重构相空间的影响，计算了铣削加工典型过程的Lyapunov指数谱，分析了系统的混沌特性；同时采用P-G算法，计算了混沌动力系统的奇异吸引子的分维数，分析了分维数与系统状态的关系，定量地指示出系统的混沌程度，同时也反映出系统的不可预报程度。

In view of the uncertain load disturbances and parameter variations and so on, the disturbance restraint performance of the six-phase synchronism motor control system for the ship electric propulsion is improved under the robust control theory.

在船舶的空间运动模型和螺旋桨四象云母加热圈限模型的基础上，综合考虑船舶和螺旋桨地相互作用，建立了船桨一体化的运动模型，并结合六相同步电功机控制系统仿真研究船舶电力推进六相同步电动机控制系统典型工况下的运行性能。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。