鉴别分析

Abstract］ objective to study the pathological features and histopathological type and differential diagnosis of hepatic focal nodular hyperplasia.methods the clinicopathological characteristics of 40 cases of fnh were studied.all were evaluted by use of paraffin embedded sections and he staining before light microcope observation.results there were 28 females and 12 males fnh patients whose age were from 16 to 62 years（median 41.3）,all alpha-fetoprotein was negative and had no hepatitis history.25 cases were classic type showed characteristic central stellate fibrotic scar,composed of fibrous connestive tissue and tortuous blood vessels.8 cases were telangiectic type,the left were mixed type and adenomatoid type.conclusion fnh is a reactive proliferation of hepatic cells to local blood vessel anomalies,it is not realy a tumor.its differential diagnosis includes hepatic adenomatous hyperplasia nodule,hepatic anaplasia nodular hyperplasia,fibrolamellar hepatocellular carcinoma and hepatocellular adenoma.

目的 探讨肝局灶性结节性增生的病理形态特点、组织分型及鉴别诊断。方法分析40例肝局灶性结节性增生的临床资料，并采用石蜡包埋he染色光镜下观察其组织学特点。结果 40例肝局灶性结节性增生患者中，女28例，男12例，年龄18~62岁，平均年龄41.3岁，所有病例术前均无肝炎病史，甲胎蛋白阴性，组织学上25例为经典型，有特征性的中央纤维瘢痕，由纤维结缔组织及扭曲血管组成。8例为毛细血管扩张型，其余为混合型及腺瘤样增生型。结论肝结节性增生是一种肝细胞对局部血管的异常反应性增生，并非真性肿瘤，主要与肝腺瘤样增生性结节、肝间变性结节状增生、肝纤维板层癌及肝细胞腺瘤鉴别。

The informative loci by each primer or primer pair were used to identify 10 cherry tomato varieties,respectively.

分析单引物的品种鉴别能力发现，RGA和SRAP标记具有较高的鉴别效率。

On the basis of comparing the black-spots identification methods at home and abroad, by analyzing the accident statistical data of national road 312, the paper puts forward the accident cumulative frequency method that can find the black-spots in the road, and make some improvement considering various comprehensive traffic safety factors.

在比较国内外现有事故多发位置鉴别方法的基拙上，通过对我国312国道某路段事故交通状况和事故统计资料的分析，提出了适合此路段的事故多发位置的鉴别方法—累计频率法，并在实际应用中从综合考虑各种交通安全评价因素的角度出发，基于当量和数理统计的理论对此方法进行了改进。

Part 1 Evaluation of the diagnostic values of lobulation sign on the differential diagnosis of peripheral lung cancer and pulmonary tuberculoma in CT images.

第一部分分叶征在四周型肺癌与结核球CT鉴别诊断中价值的评价目的应用Meta分析的方法探讨CT检查中分叶征及深分叶征对于四周型肺癌与结核球鉴别诊断价值。

Finally, the features of the lesions were statistically analyzed. There were significant differences in lobulation sign, deep lobulation sign, speculation sign, vacuole sign, pleural indentation and bronchus sign between the two groupsP

单个征象对于肺球形结核和四周型肺癌的鉴别诊断的价值受到不同程度的限制，在鉴别诊断中应结合多个征象综合分析更有利于得出正确结论。

Objective :To assess the overall value of lobulation sign and deep lobulation sign in the differential diagnosis of peripheral lung cancer and pulmonary tuberculoma in CT images.Methods : Firstly , articles about CT differential diagnosis between pulmonary tuberculoma and peripheral lung cancer were selected ,which were published in the period(from January 1990 to December 2008),and useful data were extracted.Then Meta-analysis was done using Meta-disc software,and SDOR value calculated.

方法搜集1990年1月至2008年12月国内外公然发表的关于四周型肺癌与肺结核球CT鉴别诊断的文献，对文献进行筛选，应用Meta-disc软件对符合条件的原始研究进行质量评估、异质性检验，计算阳性似然比、阴性似然比和诊断比值比，最后汇总敏感性和特异性，绘制SROC曲线并计算曲线下面积来综合评价分叶征及深分叶征在CT检查中对于四周型肺癌与结核球鉴别诊断的价值，进行敏感性和特异性分析。

In this paper,the advantage and disadvantage of several seal imprint recognition method have been compared,and an approach for seal imprint recognition based on ring projecting template matching is proposed.

本文分析了几种印鉴鉴别方法的优缺点，并提出了一种基于环投影模板匹配的印鉴鉴别方法。

This paper presents a research on the algorithm of optimal set of statistically uncorrelated discriminant vectors.

摘要该文对统计不相关最优鉴别矢量集算法进行研究，在分析统计不相关最优鉴别矢量集算法的基础上提出了一种改进的方法。

According to the alignment analysis of full length sequences of Cytb gene from closely relate species of Cervus , one pair of allele-specific diagnostic PCR primers was designed. Factors such as annealing temperature, dosage of polymerase, times of cycles and dosage of template DNA that influence the PCR results were also investigated.

根据鹿科鹿属种动物Cytb全序列比对分析，设计1对能准确鉴别正品鹿茸和其他近源种鹿茸的引物，在此基础上建立鹿茸药材位点特异性PCR鉴别方法，并对影响PCR结果的主要因素退火温度、 Taq 用量、循环次数以及模板用量和重复性等进行方法学考察和优化。

Four important conclusions were drawn. First, the CMLE method is the most suitable pro-cedure for parameter estimation in 1-parameter model. Second, the test construction of TIPS guided by classical test theory will not be valid for obtaining reliable measures. Third, the systemmatic ICC presenting method presented the perfect item and ability latent traits for the results in CMLE findings. Fourth, the complicated analysis of reliability coefficient and likeli-hood parameters met the precise and accurate measures of latent traits in either integrated process skills or hypothesizing skills.

本研究四项主要结论如下：一是CMLE确为分析试题潜在结构的量化模式，本文之精心分析过程及分析技术本身即为重要的测验资料分析规范；二是TIPS全卷及试题与原始之评量目标对应关系并未如古典测验理论之分析结果；三是各试题之表徵曲线图示法，显示在同一难易度鉴别度下，CMLE估计法分析确实显现高、中、低能力群之试题及能力特质；四是由信度系数及概度参数分析精准地显示了全卷及形成假说技能之试题参数之潜在特质。

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。