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Material and Methods:From March,2008 to January,2009,250 patients(146 Males and 104 Females,ranged from 18 to 82 years old,mean age was 48 years old) enrolled in the First Affiliated Hospital of Kunming Medical College were performed dual energy scan(Group A,200 patients) and Neuro-DSA scan(Group B,50 patients) using DSCT.The patients were randomly divided into Group A and Group B.Regarding to the justification of scan protocol,100 patients in Group A were selected as sub-group to explore the scan protocol.The image quality Was analyzed both in four categories(4.0/60、4.5/60、4.0/70、4.5/70) of flow rate and total amount of contrast-enhanced material and in three categories(100—150HU、150—200HU、200-250HU) of CT value of left common carotid artery.The comparison of two scan approach was based on image quality,radiation does, postprocessing methods,time of scanning and subtraction and data storage amount.To validate the diagnostic capability of DE-CTA virtual unenhanced images,100 patients in Group A were undergoing head scan both in routine non-contrast program and DE-CTA virtual unenhanced program.Mean CT values,signal-to-noise ratio,image quality,sensitivity of lesion identification,and radiation does were applied to comparison.According to diagnostic results of dual energy of cerebral arterial angiography,62 patients out of 200 patients in Group A were confirmed with cerebral vessel lesions,the results were complied with DSA findings(the time between the two methods were within 1 week).

材料与方法收集2008年3月到2009年1月间在昆明医学院第一附属医院行DSCT CTA检查者250例(男性146例，女性104例，年龄范围18-82岁，平均48岁)，随机分为A、B两组，A组200例行双能量头颅CTA扫描；B组50例行Neuro-DSA扫描。A组前100例按对比剂不同流率和总量分为4组(4.0/60、4.5/60、4.0/70、4.5/70)对图像质量比较；按触发时左颈总动脉内平均CT位分3组(100—150HU、150—200HU、200-250HU)，比较图像质量的差异；对A、B两组血管图像质量、辐射剂量、后处理的方法、扫描和后处理时间及数据的容量进行比较分析；A组中前100例行常规与DE-CTA虚拟平扫的平均CT值、信号噪声比、图像质量、病灶显示情况、辐射剂量的比较分析；A组中行DSA检查62例(两种方法间隔时间均1周内)，比较两种检查方法诊断结果是否符合，并对其中24例动脉瘤行动脉瘤部位、数目、形态、瘤颈显示程度、瘤颈大小及瘤体长径和短径的比较研究。

Asynchronous loading of control parameters · Rapid (25ns per pixel) rotation, warping, panning, and scaling of images · Three-dimensional image addressing capability · General third-order polynomial transformations in two dimensions on-chip · Three-dimensional transformation of up to order 1.5 also supported · Flexible, user-congurable pixel datapath timing structure · Static convolutional ltering of up to 16 x 16 Pixel, 256 x 256 pixel or 256 x 256 x 256 pixel windows · User-selectable source image subpixel resolution of 2-8 to 2-16 · Pin-compatible upgrade to TMC2302 · 24-bit (optional 36-bit) positioning precision within the source image space, 48-bit internal precision · Low power CMOS process · Available in a 120-pin Plastic Pin Grid Array and 120-lead Metric Quad Flat Pack

1第1页，本页显示记录1-11，共11条记录分1页显示·异步控制参数加载·快速（25ns的每个像素）旋转，弯曲，平移，缩放和图像·三维图像处理能力·一般二维三阶多项式变换片·三高达1.5三维变换命令也支持·灵活，用户可配置的数据通道的静态时序结构·高达16 × 16像素滤波卷积像素，256 × 256像素或256 × 256 × 256像素（3通）窗口·用户可选的源图像亚像素分辨率的2-8 2-16·引脚兼容的升级TMC2302·24位（可选36位）的定位源图像的空间内，48位内部高精度·低功耗CMOS精密加工·提供120引脚塑料针栅阵列和120引脚公制四方扁平封装

The main thrust of this dissertation is to develop the Application Specific Integrated Circuit of location identification for Wireless Sensor Network and to analyze the capability of location identification in existing hardware. Beside, this thesis will discuss a number of the location identification methods, such as TDOA, TOA and AOA, etc. By utilizing the time interval of propagating signal as my basic location identification parameter, this thesis examines the suitable location identification methodology based on the Wireless Sensor Network configuration developed within NTU. Some preliminary tests were performed to verify the performance of the newly developed system.

本论文主要目的在於开发适用於无线感测器网路的定位晶片和分析定位功能於现有硬体架构下之可行性，首先本论文中将介绍各种定位方法如TDOA、TOA和AOA等等，最终以量测无线电讯号於空气中传播之时间间隔作为定位架构的基本参数，并试著针对本实验室无线感测器网路的架构寻找适合的定位方式，并进行初步的测试。

The MDK system is designed for system integrators who have the capability to integrate the sensor and associated control components within their overall control system.

该系统主要提供于UT 制造商或者是系统集成商，将本产品集成于UT 探伤控制系统中，使得焊缝跟踪成为系统中的一个功能。

Temporary buildings, when located within another building or structure, will be of either noncombustible construction or of combustible construction having a fire resistance capability of not less than one hour.

临时建筑，当坐落于其它建筑或结构内部时，无论是不易燃建筑还是易燃建筑都要有不低于一小时的耐火能力。

Under the control of microprocessor, this pest repeller with an oscillating implement embedded in can produce mulriple-scanning pulse electromagnetic wave with variable frequency. It penetrates walls and transmits by the wire within walls and makes all connected wire producing pulse electromagnetic wave. By irritating the nervous systems of pests, it makes them be on the rack, physiology disorganized and the capability of procreation reduced. The pests are driving away as they are compelled to escape.

QC101型微电脑变频驱虫器：由完全内置的震荡器，在微电脑的控制下可产生多重扫描变频脉冲电磁波，它可以穿透墙壁，沿室内的电源线传播，让所有在墙中或建筑物内相通的电线都发出脉冲电磁波，刺激鼠类和其它害虫的神经系统，使老鼠和其它害虫感到极端恐慌，生理功能紊乱，繁殖能力降低，感到无法生存而逃离现场。

This thesis gives the linear and circular formations that require the control forces within the capability of solar sail and numerical simulations are employed to test the validation of the solar sail control.

本文给出了太阳帆控制能力范围内的直线编队和圆形编队，利用数值算例验证了太阳帆实现编队控制的可行性。

The long-term food security means a reasonable deployment and the sustainable usage of agriculture resource, as well as stable and unstinted food supply capability. Further more, it concerns about the middle and long term forecast of China\s food supply and demand, agriculture competence and farmer\s income within WTO frame, and the protection on agriculture environment.

短期粮食安全指保证粮食的短期供需平衡和粮食价格的稳定，主要考虑短期粮食安全的指标评价、粮食储备和短期粮食国际贸易等问题；长期粮食安全指农业资源的合理配置和可持续利用，保证国家有稳定的、充裕的粮食供给能力，主要考虑我国粮食供需的中长期预测、WTO 框架下农业的竞争力与农民收入以及农业生态环境保护问题。

Very simply put, it works in this way: through a sophisticated system of electronics, television provides the capability of converting an image (focused on a special photoconductive plate within a camera) into electronic impulses, which can be sent through a wire or cable.

很简单，它以这种方式工作，通过先进的电子系统：电视转换提供了一个图像的能力（侧重于一个特殊的光导板在一个摄像头）成电子脉冲，它可以通过电线或电缆传送。

Very simply put, it works in this way: through a sophisticated system of electronics, television provides the capability of converting an image(focused on a special photoconductive plate within a camera) into electronic impulses, which can be sent through a wire or cable.

简单说来，电视是以这种方式工作的，通过一个复杂的电子系统，电视能够将一幅图像(这幅图像被聚焦在一部摄像机内的一块特殊的光导底片上)转换成能经过导线或电缆发送出去的电子脉冲信号。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。