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classification of     
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  分类
     Study of Feature Extraction and Classification of Hyperspectral Remote Sensing Image Based on Projection Pursuit and Nonlinear Principal Curves
     基于投影寻踪和非线性主曲线的高光谱遥感图像特征提取及分类研究
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     Genetic Diversity and Molecular Classification of Germplasm in Genus Arachis
     花生属种质资源遗传多态性和分子分类研究
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     Studies on the Cultivar Classification of Sweet Osmanthus
     桂花品种分类研究
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     Topological Classification of Lienard Systems
     Lienard系统拓扑分类
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     Similarity Classification of Cowen-Douglas Operators
     Cowen-Douglas算子的相似分类
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  分类的
     The lower bound of homeomorphic classification of G(10,1) and G(10,7)
     图式流形G(10,1)和G(10,7)同胚分类的下界
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     Note on Topological Classification of 3D and 2D Spin States
     关于3D和2D型Spin态的拓扑分类的注记
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     A Hybrid BP-ANN/GA Algorithm for Classification of Urban Terrain Surfaces Using Fused Images of Landsat ETM+and ERS-2 SAR
     用于Landsat ETM+和ERS-2SAR图像融合对城区地物特征分类的BP-ANN/GA混合算法
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     The Comment on Category-listing and Classification of H152/H152.3 in the CLC
     对《中图法》“H152/H152.3”类目列类与分类的评析
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     K-means Algorithm for the Classification of Customers
     用于客户分类的K-means算法
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  分级
     Objective To study 1H magnetic resonance spectroscopy(1H MRS) in the diagnosis and classification of the neuoma.
     目的研究质子磁共振波谱(1H Magnetic Resonance Spectroscopy,1H MRS)在胶质瘤诊断及分级中的应用。
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     ③ There were 13 cases with Ⅲ level heart failure(HF)and 18 cases with Ⅳ level HF in AMI group according to the classification of New York Association(NYHA). The plasma levels of BNP were(1 588.31 ± 1 579.37)ng/ml and(17 193.02 ± 9 653.67)ng/ml,respectively(P﹤0.01).
     ③按照美国纽约心脏学会(NYHA)心功能分级,AMI后发生NYHAⅢ13例、Ⅳ级18例,其BNP浓度分别为(1 588.31±1 579.37)ng/ml,(17 193.02±9 653.67)ng/ml(P﹤0.01)。
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     According to Killip's classification of AMI,ET levels were elevated significantly in groups of Ⅰ-Ⅳ grade (37.38pg/ml.49.1 pg/ml,55.85pg/ml and 204 pg/ml;P<0. 002,P<0. 001,P<0.001 and P<0.001) as compared with contral groups respectively.
     Killip分级Ⅰ~Ⅳ中ET值均有明显升高(37.38pg/ml,P<0.002;49.1pg/ml,P<0.001;55.85pg/ml,P<0.001;204pg/ml,P<0.001)。
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     Experimental Investigation of the Wet Classification Of Micro-powder α-Al_2O_3
     湿法分级α-Al_2O_3微粉的实验研究
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     ①The classification of NYHA cardiac functional grading (Ⅰ,Ⅱ,Ⅲ,Ⅳ) were respectively 2, 5, 3, 0 case in Lujiao prescription group and 2, 4, 4, 0 case in Digoxin group after treatment, and difference was significant compared with those before treatment (0, 0, 7, 3, P < 0.05).
     ①鹿角方组患者治疗后纽约心脏病学会心功能分级Ⅰ,Ⅱ,Ⅲ,Ⅳ级分别为2,5,3,0例,与治疗前相比差异明显(0,0,7,3例,P<0.05),地高辛组患者治疗后Ⅰ,Ⅱ,Ⅲ,Ⅳ级分别为2,4,4,0例,与治疗前相比差异明显(0,0,7,3例,P<0.05)。
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  分类研究
     A Study on Classification of Melon ( Cucumis melo L. )
     甜瓜植物Cucumis melo L.的分类研究
     Study on Data Fusion and Classification of Landsat 7 ETM + Imagery
     Landsat 7 ETM+影像的融合和自动分类研究
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     Functional Classification of Phospholipase A_2 Family
     磷脂酶A_2家族的功能性分类研究
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     Research on inventive principles classification of electrical design:Principles No.1 to No.20
     电气设计中的发明原理分类研究——发明原理之No.1至No.20
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     Research on inventive principles classification of electrical design:Principles No.21 to No.40
     电气设计中的发明原理分类研究——发明原理之No.21至No.40
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  classification of
Methods are developed for the calssification of homogeneous Riemannian hypersurfaces and the classification of linear transitive reductive algebraic group actions on pseudo-Riemannian hypersurfaces.
      
For the case of positive characteristic we use the classification of finite irreducible groups generated by pseudoreflections due to Kantor, Wagner, Zalesski? and Sere?kin.
      
The aim of the paper is the study of the orbits of the action of PGL4 on the space ?3 of the cubic surfaces of ?3, i.e., the classification of cubic surfaces up to projective motions.
      
We then give a combinatorial classification of reductive monoids by means of the theory of spherical varieties.
      
A classification of parabolic subgroups of classical groups with a finite number of orbits on the unipotent radical
      
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The assignment of the fundamental frequencies of C4H2 given by Timm and Mecke is discussed and a new assignment in accord with the selection rules is suggested. Nine force constants for the molecule are calculated according to Timm and Mecke's assignment, while the new assignment gives no reasonable constants for the deformation vibrations. Further study of the Raman spectrum and the infrared absorption is necessary for a final classification of the deformation frequencies.

按Timm Mecke之C_4H_2基本振动率,吾人求得一含有九个常动之势能式中各常数之值。

The simplified Coal characteristic Coefficient β' = 2.35, as proposed in author's two previous papers to ho used with Vr for coal classification, has been for the first time repeatedly proved as shown in many graphs (Fig. 2-Fig 9) to represent (a) the foundamental characteristics of coal, like caking property, heating value, plastic layer thickness. etc. (b) the quality of the side Chain of the coal crystal (c) the percentage proportion of vitrain composition with respect to the other constitutents in petrographic...

The simplified Coal characteristic Coefficient β' = 2.35, as proposed in author's two previous papers to ho used with Vr for coal classification, has been for the first time repeatedly proved as shown in many graphs (Fig. 2-Fig 9) to represent (a) the foundamental characteristics of coal, like caking property, heating value, plastic layer thickness. etc. (b) the quality of the side Chain of the coal crystal (c) the percentage proportion of vitrain composition with respect to the other constitutents in petrographic components, during the different stages of coalification. (2) The simplified coal characteristic coefficient β' can be used to substitute the free swelling index, Roga number L.R. and the plastic layer thickness y etc in the coal classification of type together with the volatile matter on combustible basis VP for the coal classification of rank. (graph 10-graph 16) (3) Besides the VP and β' coal classification system,(Fig - 18), Carbon content on combustible basis CP with the free hydrogen H°= (HP=)for coal classification (Fig-23), VP vervus classification (Fig.-24), VP versus H°(Fig. -25) and VP versus (Fig-26) coal classification are also proposed. Comparisons of the different systems are made with the conclusion of adopting VP versus β' as the most logical system. (4) In the VP versus β' graph; the plastic layer thickness y curves (Fig.-27) represent the the rate of vitrinification during the different stages of coalification due to the different constituents of principal peat-forming plant substances. So a new international three-parameter coal classification system is proposed with the volatile matter on combustible basis VP as the first parameter and the simplified coal characteristic coefficient β' as the second principal parameter with the thickness of plastic layer y in mm as the third parameter. (Fig-28)

(1)简化特性系数β’=2.35代表着煤的分子结构中侧链的本质,而纯燃质挥发分 VP代表着煤的原始物质中侧链与核心部分的相对数量. (2)简化特性系β',即自由氢碳比率函数,是煤岩成分比例不同的标志;角质类和不透明质与透明基质数量的相对比例的标志;是镜煤质与非镜煤质含量相对数值比例的标志,亦即是镜煤化程度的标志。 (3)简化特性系β'反映了煤的特性,焦油产率,炼焦性质,胶层厚度,发热量及碳含量,氢含量,氧含量等,并有充分的证明。 (4)简化特性系β’揭露了近百年来国际间对於煤的特性的秘密,而是国际上有最完善的理论根据的分类指标。 (5)因此,作者建议(a)用VP及β’来作为中国煤工艺技术分类指标(6)用VP,β'与y作为国际煤分类指标,其中 厚度y,根据作者的见解,代表着煤在碳化过程中,凝 化的速度的标志。

On the basis of a series of soil survey made in the Hwaiho Valley(淮河流域),a plan on land classification for this area has been proposed asreferences for making arrangement in establishing irrigation systems,inland utilization,as well as in soil improvement.Three fundamental principles are considered to be important on landclassification,i.e.(1)the practices in soil improvement must be consideredin connection with those in land utilization,(2)the land classificationshould be considered on land utilization both...

On the basis of a series of soil survey made in the Hwaiho Valley(淮河流域),a plan on land classification for this area has been proposed asreferences for making arrangement in establishing irrigation systems,inland utilization,as well as in soil improvement.Three fundamental principles are considered to be important on landclassification,i.e.(1)the practices in soil improvement must be consideredin connection with those in land utilization,(2)the land classificationshould be considered on land utilization both of the present day and of thefuture time,and(3)the main factors and criteria adopted for landclassification must be appropriate to the particular regional conditions.The main factors used in land classification of the Hwaiho Valley aresuggested as follows:(1)soil types together with their physical andchemical properties,(2)geomorphological characteristics,(3)depth andchemical composition of ground water,(4)present status and furtherimprovement in drainage and irrigation,(5)present status in land utiliza-tion and estimate on soil productivity,and(6)fundamental problems inthe promotion of soil fertility.According to the factors just mentioned,a system of land classificationhas been proposed for the Hwaiho Valley where the land may be classifiedinto seven main types.

淮河流域土壤改良利用分区的目的是供水利方面选择灌区和初步计划灌溉设施及农业方面确定农业区划和改进农业技术措施的参考。分区的基本原则有三:第一,土壤改良必须与利用规划结合,其次分区应注意综合性、长远性和现实性,第三划区的主要因素和标准必须符合地区的特点。淮河流域土壤改良利用分区的主要参考因素为(1)土壤发生分类和主要理化性质,(2)地貌,(3)地下水的深度、矿化度及化学组成,(4)灌溉排水现状及需要改进的情况,(5)土地利用现状及对生产的评价,(6)提高土壤生产力的关键性问题。

 
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