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But as for those who love to listen to pleasing words without evaluating them for truth adn those who listen to admonishment without repenting, I do not know what to do with those people.

听了顺耳的话,能不高兴吗?能够分析鉴别才可贵,喜欢听顺耳的话却不对这些话分析鉴别,听正确的意见却不改正错误,这种人我也没有办法教他。

objective to analyze the ct appearance of thyroid carcinoma and the differential diagnosis of various thyroid disease.methods 83 cases of thyroid carcinoma and 119 cases of various benign disease with surgical and pathologically proved were analyzed retrospectively.results the ct findings of 83 cases of thyroid carcinoma include:ill defined nodules boundary (n=62),irregular necrosis(n=59),cystic(n=23),"peninsula" enhancing tubercles around the tumour(n=25),"mastoid" tubercles around the tumour(n=11),calcification(n=55) including large scale(n=27) and local(n=28),trachea invasion(n=15),neck or supraclavicular lymph node metastasis(n=27),the accurate of ct to differentia benignancy from malignancy on thyroid disease was 93.6%(189/202).conclusions "peninsula" enhancing tubercles was the characteristic sing of thyroid carcinoma,"mastoid" enhancing tubercles or large scale calcification was the affirmative sign,the ct signs was vary useful to differentiating thyroid disease.

摘 要]目的:分析甲状腺癌的ct表现及鉴别诊断要点。方法:回顾性分析经手术病理证实的83例甲状腺癌和119例甲状腺良性病变的ct表现,归纳总结不同病变的ct特征。结果:83例甲状腺癌中:边界不清62例,不规则坏死59例,囊性变23例,出现"半岛状"强化结节25例,"乳头状"强化结节11例,钙化55例(其中弥漫性钙化27例、局灶钙化28例),侵犯气管15例,颈部或锁骨上淋巴结肿大27例,ct对甲状腺病变的良恶性鉴别诊断符合率93.6%(189/202)。结论:"半岛状"强化结节是甲状腺癌的特征性表现,"乳头状"强化结节及弥漫性钙化可做为甲状腺癌的肯定性征象,掌握各种甲状腺病变的ct表现特点,对病变的定性诊断及鉴别诊断具有重要意义。

Chinaberry witches'broom, Ziziphus jujube witches'broom, Mulberry dwarf disease, JWB and Paulownia witches' broom phytoplasmas were identified by comparative studies of PCR amplify of phytoplasmal 16SrDNA、23rDNA and ribosomal protein gene, heteroduplex mobility assay, RFLP of PCR-amplified products (16S rDNA), cloning and sequence analysis of 16SrDNA and rp gene. An efficient procedure for rapid identification and differentiation of phytoplasmas was established, which could identify and differentiate phytoplasma collected from field.

通过对桑萎缩病、枣疯病、酸枣丛枝病、泡桐丛枝病和苦楝丛枝病植原体16SrDNA、23SrDNA和核糖体蛋白基因的PCR扩增、异源双链迁移率分析、16SrDNA PCR产物的限制性片段多态性分析以及植原体16SrDNA和rp基因的克隆和序列分析等比较研究,建立了一种快速确定未知植原体种类和分类地位的分子鉴别与鉴定优化程序;此程序可对田间采集的各种植物植原体样品直接进行快速鉴定和鉴别。

It shows in the test of simulation sample that the ratio of interference inhibition is higher than 5000, and the minimum detected discharge magnitude is 0.06pC. Again, a method of polarity discrimination and high interference inhibition for the dual-input and single-output damped oscillation signal is proposed firstly.

在脉冲鉴别法的基础上,通过详细分析脉冲鉴别的原理和双端输入、单端输出信号的极性,首次提出了对双端输入、单端输出衰减振荡的局部放电信号进行极性鉴别的方法和极大干扰信号抑制方法。

Chapter one is "Introduction". On the basis of summarizing the history of the study of the pictophonetic characters, we suppose some theoretical principle, such as the principle of the correspondence between the form and the meaning of the individual graph of Chinese characters, the principle of the total graphs of Chinese characters being a character-formation system, and the principle of the optimum development of the character -formation system in the history, and som analytic methods, such as the methods of structrue-function analysis, form-position analysis and meaning factor analysis, in the study of the pictophonetic characters. Chapter two is titled"General knwledge of the pictophonetic character." We discuss their origins, nature and some standards of distingnishing them, introduce the knowledge about the editions of SHUO WEN JIE ZI, analyse the functions of the modules of pictophonetic characters in detail, discuss concretely the function of phonetic graphs showing origins and pronunciations, the function of meaning graphs showing meanings and analogies, and the function of distinguishment when the two kinds of graphs are conbined. Chapter three is"The system of meaning graphs of Xiao Zhuan system."After we describe the structure of the meaning graph system, the relations between meaning graphs, the distributions of the function of meaning graphs showing meanings, and the frequency of all this kind of graphs, we get a table of all meaning graphs, a table of the frequency. Chapter four is"The system of phonetic graphs of Xiao Zhuan system."We describe the structure of the phonetic graph system, the relations between phonetic graphs, and between their function showing origins and their function showing pronunciations, and their frequency, then we get ageneral table of phonetic graphs and table of their frequency. Chapter five is "conclusion". We think that systematical methodology is useful in describing and analysing the formation system of Chinese characters. The methodology is adaptable in describing the formation system of modern Chinese characters as well as the historical character systems, adaptable in describing horizontally as well as comparing vertically. Only when we finish the systematical vertical compare on the base of systematical horizontal decription, could we know the true history of the system of Chinese characters, recover the rule of the system's development, and supply the theoretical supports for the scientifical arrangement of modern Chinese characters.

第一部分—绪论,在总结形声字研究历史状况的基础上,提出了研究形声系统的理论原则和分析方法,即汉字个体字符形义统一的思想,汉字字符集合构形系统的思想,汉字构形系统历史演变系统优化的思想等三项理论原则和结构功能分析法,形位分析法,义素分析法等三种分析方法,还扼要地介绍了具体的工作程序和论文的主要内容;第二部分—形声字概述,论述了形声字的来源、性质和鉴别标准,介绍了对《说文解字》正篆形声字说解中的传抄讹误,版本异文,说解错误校勘和考证的经过,详细分析了形声字构件的功能,具体讨论了声符的示源功能与示音功能,义符的示意功能与类化功能以及声符与义符组合中的相互区别功能;第三部分—小篆字系的义符系统,从义符系统的构成、义符间的相互关系,义符示意功能的分布及义符的构字频度等不同侧面,对义符系统进行了全面的描写,产生了义符总表、义符间意义关系总表和义符构字频度总表;第四部分—小篆字系形声字的声符系统,从声符系统的构成、声符间的相互关系,声符的示源功能与示音功能的关系以及声符的构字频度等不同侧面,对声符系统进行了全面描写,产生了声符总表和声符构字频度总表;第五部分—结束语,在全面测查小篆字系形声字的基础上,对研究汉字的方法和现代汉字发展方向的问题提出了一些看法,认为系统论的方法是描写和分析汉字构形系统行之有效的方法,系统论方法,不仅适用于历史上文字系统的描写,也适用于现代汉字构形系统的描写,不仅适用了断代描写,也适用于历史比较,只有在对汉字断代系统描写的基础上进行系统的历史比较,才能认清汉字系统历史演变的真相,揭示汉字系统发展的客观规律,为科学地整理现代汉字提供理论上的依据。

this paper analyzed the error of two methods of printer fuzzy identification by a case of laser printer identification. by error analysis of single method and united method, it evaluated the reliability of two methods about printer identification.

摘 要:通过实际案例的激光打印机打印文字,鉴别打印机型和打印机墨粉类型,分析打印文字图像或墨料ftir图形单一鉴别与联合鉴别结果之间的误差率,评估两种鉴别方式的可靠性差异。

objective:to study and analyze the features of lower limb fatigue fracture in the special force by means of radiodiag-nosis.methods:anterior-posterior and lateral films and clinical follow-ups were made to all the affected limbs in the56cases of lower limb fatigue fracture from june2003to feb.2006.results:through medical history and radiodiagnosis all the cases were giv-en definite diagnosis,achieved good treatment results and all had clinical follow-ups.the average length of clinical follow-ups was3months.following treatment,all patients returned to work and resumed training.conclusion:lower limb fatigue fracture finds a rather high incidence in the special force.special features could be seen in the x-ray film,which has obvious clinical significance in the differential diagnosis of other diseases.

摘要] 目的:分析特种部队下肢疲劳骨折的x线特征性表现和鉴别诊断。方法:从2003年6月~2006年2月,对56例来院就诊治疗的下肢疲劳骨折的患者全部进行患肢x线正侧位片检查和随访。结果:本组病例依据病史和x线分析,均明确诊断,经治疗后效果好,全部获得随访,平均随访时间3个月;骨愈合时间1~2个月,全部恢复工作和训练。结论:下肢疲劳骨折在特种部队发病率高,x线片中具有特征性表现,与其他疾病的鉴别具有重要的临床意义。

This paper analysised and researched some existing algebra feature extraction method such as KL transformation, singular value decomposition、 Fisher linear discriminant and optimal discriminant transformation. On the base of this、we expound a method which named uncorrelated optimal discriminant transformation to accomplish the face recognition.Uncorrelated optimal discriminant transformation is a improvement of Fisher linear discriminant and optimal discriminant transformation.

本文对一些现有的代数特征提取方法如KL变换、奇异值分解、Fisher线性鉴别以及最佳鉴别变换做了分析和研究,在此基础上我们提出使用具有统计不相关最佳鉴别变换的投影方法来进行人脸识别,它是由Fisher线性鉴别和最佳鉴别变换改进、完善而来的。

objective to evaluate the role of mr perfusion weighted imaging in preoperation diagnosis of meningiomas.methods mr perfusion weighted images was performed in 47 patients with meningiomas followed by conventional imaging.results the mean rcbv values of angioblastic was the highest in the parenchyma of tumor.the mean rcbv values of malignant group was the lowest.the biggest mean rcbv values among different type meningiomas was statistically significant.the biggest mean rcbv values between benign and malignant group meningiomas was statistically significant,but not in the peri-tumor edema.conclusion the rcbv values were useful in the preoperative differentiation diagnosis of different types of meningiomas.those in the peri-tumor edema were useless in the preoperative differentiation diagnosis of different types of meningiomas.

目的 探讨磁共振灌注成像技术对脑膜瘤术前分型及良恶性鉴别的临床应用价值。方法对47例脑膜瘤病人行mr灌注成像检查,对5种亚型的良性脑膜瘤的mr灌注成像进行分析,并与非典型性及恶性脑膜瘤进行比较。结果血管瘤型脑膜瘤实质部分的rcbv值均数最高,恶性组脑膜瘤的rcbv值均数最低。各亚型间瘤体实质最大rcbv值均数间差异有统计学意义(p<0.05),良恶性脑膜瘤实质部分最大rcbv值均数间差异有统计学意义(p<0.05)。瘤周水肿区的rcbv值均数间差异无统计学意义(p>0.05)。结论 rcbv值对脑膜瘤术前分型及良恶性鉴别有所帮助,而瘤周水肿区的rcbv值对脑膜瘤分型及良恶性鉴别未显示临床实用价值。

objective:to analyze the difference between mammary duct ectasiaand plasma cell mammitis.methods:the data of 24 cases of mde and 28 cases of pcm,including clinical manifestations,distinguished diagnoses,surgical therapy,pathological results,were analyzed.results:the clinical manifestations of mde are nipple discharge and breast mass,which should be distinguished with breast mass and early stage of breast cancer.the treatment is local resection.major pathological changes are duct ectasia and obvious periductal inflammatory changes.the clinical manifestations of pcm are breast mass and inflammatory changes,which should to be distinguished with advanced breast cancer and inflammatory breast cancer.the surgical treatment is extensive resection.the major pathological changes are inflammatory reaction and multiple abscesses in breast tissue.conclusion:mde and pcm are significant different,and they are different progressing stage of disease,thus the two diagnoses are independent.

目的:分析乳腺导管扩张症和浆细胞性乳腺炎临床上的差异。提出各自独立诊断的论据。方法:结合24例乳腺导管扩张症和28例浆细胞性乳腺炎对两病的临床症状、鉴别诊断、手术治疗、病理结果进行比较分析。结果:乳腺导管扩张症临床表现为乳头溢液和乳腺肿物,主要与乳腺肿物和早期乳腺癌鉴别诊断,手术以局部切除多见,病理表现为导管扩张及导管周围明显炎性改变。浆细胞性乳腺炎临床表现为乳腺肿物和炎性改变,主要与晚期乳腺癌和炎性乳腺癌鉴别诊断,手术切除的范围较大,病理变化以乳腺组织的炎性反应和多发性脓肿为主。结论:乳腺导管扩张症和浆细胞性乳腺炎有明显的差异,应作为这两种疾病独立诊断。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。