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Comparison of preoperator of carotid endarterectomy and Percutaneous transluminal stenting with postoperator in measuring the vascular diameter and area of cross section using CTA . Statistical significance was determined using t test. Results: Using a 70% cutoff value for stenosis, CTA and DSA were in agreement in 35 of 37 vessels(95%).

用X2检验评价CTA与DSA检测血管内软斑块的差异有否显著意义；用配对t检验评价内膜切除术和支架置入术前、术后ICA狭窄处直径及横切面面积的差异有否显著意义。

Firstly it makes the system analysis of system need , overall plan, system key and technology and so on in this paper. Then using the idea of OOP(Object-Oriented Programming), using the Combination of structural analysis and Prototypal method, and using Microsoft Visual.

本文在对大气环境质量评价工作中系统需求、总体方案、数据、系统关键技术等主要工作进行系统分析的基础上，利用面向对象的设计思想，将结构化分析和原型法相结合，以Microsoft Visual。

The web station is using Frontpage made the web page, using the language of Active Server Page linked the database, and using Access as the background database, made this mini web station which has the function of book search book borrow ,book back ,book reborrow ,reader manage book message manage and so on .

本网站使用Frontpage制作页面，用Asp语言做连接数据库的程序，使用Access制作系统的数据库，做出了这个具有图书查询、图书借阅、归还、续借、会员管理以及图书信息管理等功能的小型的网站。

Using nearly 50 years of landuse classification map of urban center in Shanghai city as data resources,the gross variation of landuse is studied by using GIS technology.Suppotred by GIS,the status transfer matrix of different landuse classification of adjacent period of time is also calculated respectively by this paper.At last,the spatial evolving process of landuse of urban center in Shanghai city is analyzed simulatively and forcasted quantitatively by using Markov model.

以上海市中心城区近50年来有代表性的土地利用类型图为数据源，采用GIS技术分析了上海市近50年来的土地利用总量变化；并在GIS支持下分别计算出相邻时间点不同土地利用类型的状态转移矩阵，利用马尔可夫模型对上海市中心城区土地利用空间演变过程进行了模拟分析和定量预测研究。

For more exact modeling population distribution condition and more expressly reflecting population spatial pattern in urban region,with the fifth census data of Shenyang City,in this paper we spatialize population data by using grid calculating,model population distribution by using Geo\|statistics,identify population pattern by using DEM models and analyze characters of population distribution.

为准确地模拟城市人口分布，清晰地反映城市人口分布格局，本文利用沈阳市第五次人口普查资料，采用网格计算方法空间化人口数据、地统计学的空间插值方法模拟人口分布。

In orde to probe the prevention and the therapeutic mechanism for Chinese medicine, and provide the laboratory basis for the incidence theory on chronic rhinitis. A method of using smoking with SO2, and submuscular injection with esbrogen on guinea pigs to establish chronic rbinitis model with the deficiency of lung Qi is introduced, And constrasted with the method of purly using smoking with SO2, or submuscuiar injection with estrogen. It shows the conbination of using smoking with SO2, and submuscular inj...

为了探索中医药防治慢性鼻炎的机理及为中医学对有关慢性鼻炎发病机理的认识提供实验室依据，本文在文献报道基础上，采用SO2及雌激素共同作用制作肺气虚豚鼠实验性慢性鼻炎模型，并与单纯SO2染毒或单独雌激素肌注的方法进行了对比研究，结果表明，采用SO2染毒及雌激素肌注的方法可引起鼻粘膜慢性非特异性炎症改变；动物生态属肺气虚型；且优于单纯采用SO2染毒及单纯雌激素肌注造模。

The results showed that,when environment-friendly oil KT20 was used in NR and NR/BR compound,the properties of mix,physical properties and wet skid resistance of vulcanizate were similar to those by using the comparison samples;by using environment-friendly oil KT20,the rolling resistance of vulcanizate changed slightly compared with using 3527MES and TADE.

结果表明，在NR和NR/BR胶料中，填充环保油KT20与对比油的混炼胶性能、硫化胶的物理性能和抗湿滑性能相当；填充环保油KT20，3527MES和TDAE硫化胶的滚动阻力相差不大。在NR胶料中填充环保油KT20，硫化胶的耐磨性能优于对比油硫化胶。

Provided are carbide derived carbon materials prepared by thermochemically reacting carbide compounds and a halogen containing gas and extracting all atoms of the carbide compounds except carbon atoms, wherein the intensity ratios of the graphite G band at 1590 cm -1 to the disordered-induced D band at 1350 cm-1 are in the range of 0.3 through 5 when the carbide derived carbon is analyzed using Raman peak analysis, wherein the BET surface area of the carbide derived carbon is 1000 m 2 /g or more, wherein a weak peak or wide single peak of the graphite (002) surface is seen at 2 = 25 DEG when the carbide derived carbon is analyzed using X-ray diffractometry, and wherein the electron diffraction pattern of the carbide derived carbon is the halo pattern typical of amorphous carbon when the carbide derived carbon is analyzed using electron microscopy.

提供了得自碳化物的碳，其通过热化学反应碳化物化合物和含卤族元素的气体并提取除了碳原子之外的碳化物化合物的全部原子制备，其中当使用拉曼峰分析法分析该得自碳化物的碳时，在1590cm -1 的石墨G波段与在1350cm -1 的无序引发的D波段的强度比为0.3至5，其中该得自碳化物的碳的BET表面积是1000m 2 /g或更大，其中当使用X射线衍射法分析该得自碳化物的碳时，在2θ＝25°观察到石墨(002)面的弱峰或宽单峰，以及其中当使用电子显微法分析该得自碳化物的碳时，得自碳化物的碳的电子衍射图是代表无定形碳的晕图案。该发射体具有良好的均匀性和长寿命。可以使用比用于生产常规碳纳米管的方法更廉价的方法制备发射体。

First, it contended that before the townish land using system was reformed, the conventional townish land using system hampered the concentration of rural and small town enterprises into town. However, after the system was reformed, because of the faultiness or disadvantage of the rural constructive land using system, the land price of enterprises location varied obviously which made an important influence on the location of rural and small town enterprises.

首先，从理论上提出在城镇土地使用制度改革前，传统的城镇土地使用制度阻碍了乡镇企业向城镇聚集；而认为在城镇土地使用制度改革后，农村集体建设土地使用制度的不完善或弊端所导致的，乡镇企业在农村选址的低土地成本与在城镇选址所带来的高土地成本二者之间的反差，对于现阶段乡镇企业是否在城镇布局有着重要的影响作用。

Result The patients of posterior urethral stricture using the posterior urethrascope have been followed up for 1 moth to 22 years,clinical results:good in 89cases\general in 23cases\poor in 12cases\failed in 9cases,good rate being 84.2%,succeeding rate being 93.2%;The patients of preceding urthrostenosis using the preceding urethrastenosis cutting knife have been followed up for 16 years,the patients using the urethrastenosis dilator have been followed up for 7moths to 7years,the result is good.

经尿道一次性完成手术操作。结果：应用后尿道狭窄切开器治疗各种不同类型的后尿道狭窄133例，经1月至22年随访，效果优者89例，良者23例，差者12例，失败9例。优良率84.2%，有效率93.2%；前尿道狭窄切开刀治疗前尿道狭窄3例，随访16年，效果良好；系列尿道狭窄扩张器治疗尿道狭窄3例，经7个月至7年随访，效果良好。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。