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自然分类     
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  natural classification
     NATURAL CLASSIFICATION OF THE HIGH-RANK COAL PORE STRUCTURE AND ITS APPLICATION
     高煤级煤孔径结构的自然分类及其应用
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     From the artistic typological perspective, this paper expounds the logical and the natural classification systems of art.
     本文从艺术类型学出发,系统阐述了艺术的逻辑分类体系和自然分类体系。
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     (6) To build natural classification according to the phylogenetic relationships deduced.
     最后根据推断的系统发育关系建立自然分类,当今生物分类学工作者在建立分类时有两个任务,一个是根据系统发育研究结果建立自然分类
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     The fundamental work in the study of the land resources is to study the natural classification of the land. The three stage system is generally used in the division of the land types.
     土地的自然分类是土地资源研究的基础工作 ,土地类型的划分 ,一般使用三级分类系统。
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     Obviously the natural classification attribute and the evolutionary process of seven species of fowls were completely indicated by the classification sequence of karyotype resemblance-near coefficients.
     很显然,这种以核型似近系数归类的顺序完全反映了此七种禽类自然分类的属性和进化中发生分歧演化的自然过程。
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  natural classifying
     Using the methods of natural classifying and multi-dimensional scale, this paper probed into the conceptual structure of kinship words of Naxi nationality.
     运用自然分类和多维标度方法,研究了纳西族亲属词的概念结构。
短句来源
     Using the methods of natural classifying and multi-dimensional scaling, the study probed into the classification of basic color terms with 279 Chinese undergraduate students as the subjects.
     运用自然分类和多维标度法,对279名大学生进行了11种基本颜色词的分类研究。
短句来源
     Using the methods of natural classifying and multi-dimensional scaling,the study investigated the conceptual structure of Chinese color words most in use.
     采用自然分类和多维标度的方法,研究了汉语常用颜色词的概念结构。
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  “自然分类”译为未确定词的双语例句
     Comparision of Peroxidase Isoenzymes Classification and Natoral Classification in Chinese Chrysanthemum
     中国菊花过氧化物酶同工酶分类与自然分类比较
短句来源
     INTERPRETATION OF CHEMICAL COMPOSITION AND SUBDIVISION OF Mg-Fe MICAS, PART B: THE NATURAL SUBDIVISION OF Mg-Fe MICAS
     Mg-Fe云母化学成分的解释和分类(Ⅱ)——Mg-Fe云母的自然分类
短句来源
     Thus, the natural subdivision of Mg-Fe micas essentially reflects the potential difference in the manner and extent of muscovite substitution among various micas during crystalization under distinctive natural conditions.
     Mg-Fe云母自然分类的本质是各成员云母之间白云母置换方式和限度的潜在差异在不同的自然结晶条件下的反映。
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     On the basis of field survey,this paper sorts out the reported data and catalogs the fossils in 109 genera of 124 species,with their Latin names,localities,horizons and times,trying to show a full view of the fossils in the area.
     为使有关从事科研、教学、科普工作者及广大动、植物化石爱好者对该地区的珍稀化石属种有全面细致的了解,作者在对部分化石产出层位进行了野外考察的基础上,整理出己报道的珍稀化石属种名单,并按自然分类系统排列,每个属种后面附有拉丁学名、产地、时代及层位.
短句来源
     According to the phylogenetic system of botany taxonomy,the traditional Chinese Materia Medica,some of extracts and oils collected in Chiense Pharmacopoeia(volume Ⅰ,2005) were classified and analyzed.
     对2005版《中国药典》Ⅰ部收载的药材及饮片、植物油脂及提取物按照自然分类系统的方法进行了分类编制和分析讨论。
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  natural classification
Based on characteristic features of the orbits of Saturn's new satellites, we propose their natural classification.
      
The selection rule adopted relies on generalization and natural classification abilities.
      
A natural classification scheme for the family of conformal Killing tensorsKa1…ap is introduced.
      
The present analysis, which leads to a natural classification of hexapodal gaits by symmetry and to natural sequences of gait bifurcations, relates observed gaits to the overall organizational structure of the underlying CPG.
      
Finally, we propose some natural classification of intuitionistic fuzzy left k-ideals.
      
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  natural taxonomy
Chemosystematics of theRutaceae: Suggestions for a more natural taxonomy and evolutionary interpretation of the family
      
  natural grouping
examined were antigenically distinguishable, with no natural grouping of yeast strains.
      
The tests also show that the vegetation of the study area forms a single natural grouping despite the disparity of the position ofAcer saccharum and the polarity evident among the other tree species.
      
These form a natural grouping with respect to mean DNA amounts which differ by 0.05 pg in the herbs, trees and shrubs respectively.
      
Despite the apparent natural grouping of "picorna-like" viruses, the taxonomical significance of this putative "supergroup" was never addressed adequately.
      
As one can see, there is a natural grouping or clustering of points that have similar values of Z and S.
      
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Optimal section have been applied to the classification of bituminous coals according to the magnitudes of the parameters V~r and G_(R.1.), which reflects metamorphism and coking properties of coal respectively. The paints at which the sections are divided and the number of groups are determined on the basis of the diameter of the group and the minimum error function. Coincidentally, all at these section points correspond to changes in the petrographic characteristics during the genesis of bituminous coal. The...

Optimal section have been applied to the classification of bituminous coals according to the magnitudes of the parameters V~r and G_(R.1.), which reflects metamorphism and coking properties of coal respectively. The paints at which the sections are divided and the number of groups are determined on the basis of the diameter of the group and the minimum error function. Coincidentally, all at these section points correspond to changes in the petrographic characteristics during the genesis of bituminous coal. The section points corresponding to V~r are 20, 28 and 36%. These points divide the coal into four groups, namely low, medium-low, medium-high and high-volatile bituminous coals. Considering coking properties, the section points on the basis of the value of G_(R.1.) are 5, 40, and 75. These points also divide the coal into four groups, namely non-caking, weakly-caking, medium-caking, strongly-caking coals. When subdivisions are made at 20, 60 and 90, the coal may be put into seven groups,viz. non-caking,slightly-caking, weakly-caking, medium-caking, medium-strongly-caking, strongly-caking and extrastrongly caking coals. Thus a natural classification is formed and a numerical system can be used for classification.

以反映煤变质程度V~r和粘结性G_(R.(?).)的指标为序,应用最优分割法对烟煤进行分类。根据类直径、误差函数最小来确定划分的分割点和类别数。这些分割点恰与烟煤煤岩组份在成因过程中的一些特征变化点相一致。反映煤变质程度的V~r所对应的分割点为20、28、36%,分为低、中低、中高及高挥发分烟煤四类。以焦炭性质为背景,按反映烟煤粘结性的G_(R.(?).)值分为不粘(G_(R.(?).)<5)、弱粘(G_(R.(?).)=5—40)、中粘(G_(R.(?).)=40—75)及强粘结(G_(R.(?).)>75)四组。细分时,分为不粘、微粘、弱粘、中等粘结、中强粘结、强粘和特强粘结七级,对应的G_(R.(?).)值为5、20、40、60、75、90、>90。由此形成烟煤的自然分类,并采用了数码表示法。

A study of 150 analyses of iron-lithium micas from South China and the other regions indicates that iron-lithium micas are not true binary system minerals but trioctahedral Li-Fe-Al micas, and suggests that iron-lithium micas should be confined as biotite-lepidolite series. Furthermore, the natural subdivision of iron-lithium micas is also made on the basis of the anomalous changes of compositions, refractive indexes and cell parameters.The end-members of iron-lithium micas include K2Li4Al2[Si8O20] (OH, F)4,...

A study of 150 analyses of iron-lithium micas from South China and the other regions indicates that iron-lithium micas are not true binary system minerals but trioctahedral Li-Fe-Al micas, and suggests that iron-lithium micas should be confined as biotite-lepidolite series. Furthermore, the natural subdivision of iron-lithium micas is also made on the basis of the anomalous changes of compositions, refractive indexes and cell parameters.The end-members of iron-lithium micas include K2Li4Al2[Si8O20] (OH, F)4, K2Fes [Si6A12O20] (OH, F)4, K2Al,[Si6Al2O20] (OH, F)4, and K2Fe4Al2[Si4Al4O20] (OH, F)4. Three basis vectors, polylithionite substitution (Rv1+2-3Li2 Rv1+3(R1v+3)-1Si, Al-Li musco-vite substitution (Rv1+2)-1Li3(□v1)-1 and muscovite substitution (Rv1+2)-3(Rv1+3)2□v1, are uggested to interpretate the essential changes of iron-lithium mica compositions swhose basic trend is nonlinear and coincident with the orientation of the polylithionite substitution vector--the basic substitution.The members of natural iron-lithum micas includeferrobiotite lithian biotite+ + -- protolithionite--siderophyllite lithian siderophylltte generalized ferrobiotite and siderophyllite zinnwaldite--cryophyllue--lepidolite.Generalized ferrobiotite and siderophyllite are separated by value MF = 4.80 (MF = 6(Fe+2 + Mn)/(Fe+2 + Mn + Mg)), but there are no essential difference between them when they are both the members of iron-lithium micas. In fact, the members richer in lithium can be derived from both siderophyllites and ferrobiobites.The value FL = 100Li/(1.5Li + R*) (R* = Fe+3 + Mg + Fev1+3 + Tiv) is more reasonable than the value ol Li-content for describing the basic trend. Abnormal changes of chemical composition at near FL = 5.8, 12.5, 33.3, 49.1 and abnormal changes of refractive indexes Nm and Ng and cell parameters b at FL = 57.1 are the grounds for so-called natural subdivision of iron-lithium micas. The natura subdivision is useful for study of the relations between the iron-lithium micas and the petrogenetic sequence of granites.

用置换矢量概念解释了115个天然 Fe-Li 云母化学成分的变化。Fe-Li 云母是三八面体 Li-Fe-Al 云母,其基本置换是四锂云母置换。由于 Al-Li 白云母置换和白云母置换的影响,其化学组成变化的基本趋势呈明显的非线性,因而 Fe-Li 云母不是真正的二元系。作为 Fe-Li 云母,富铁黑云母和铁叶云母都是最富铁的成员,因而建议称 Fe-Li 云母为黑云母-锂云母系列。根据化学成分,晶胞参数和折光率的异常变化还提出了该系列自然分类的方案。

It has been demonstrated that about 90% composi tional variability of Mg-Fe micas from granitoid, can be explained on the Foster's Mg-(Fe+2 + Mn) - (R+3 + Ti)vi triangle. In this paper, now, a natural subdivision of Mg-Fe micas is proposed modified from Foster's based on 291 mica analyses in terms of anomalous Changes in composition, and the essence of the natural subdivision is also discussed.The ratio FM = 6(Fe+2 + Mn)/(Fe+3+ MN+ Mg) is available to indicate the basic compositional trend by which about 80%...

It has been demonstrated that about 90% composi tional variability of Mg-Fe micas from granitoid, can be explained on the Foster's Mg-(Fe+2 + Mn) - (R+3 + Ti)vi triangle. In this paper, now, a natural subdivision of Mg-Fe micas is proposed modified from Foster's based on 291 mica analyses in terms of anomalous Changes in composition, and the essence of the natural subdivision is also discussed.The ratio FM = 6(Fe+2 + Mn)/(Fe+3+ MN+ Mg) is available to indicate the basic compositional trend by which about 80% variability of Mg-Fe mica composition can be explained. Most octahedral cations anomalously change their occupancies at around FM = 1.20(1.05-1.35) and 4.80, which are considered as the boundaries between phlogopite and biotite and between biotite and siderophyllite, respectively. By the same reason of anomalous changes in occupancies, phlogopite with FM>0.60 is named as ferrophlogopite, and biotite is further subdivided into three subgroups; magnobiotite (-1.20 FM 2.70), magnoferrobiotite (2.70 FM 3.60) and ferrobiotite (3.60 FM 4.80). Every cation occupany extends continuously to a certain limit, but the change in compositions as a whole from a variety to the neighbour one is discontinuous. In the light of substitution vectors it is found out that the discontinuous changes are due to the different extents of magnesium-or iron-muscovite substitution between two neighbour varieties. Ts-chermak's substitution of Al into lattice is very common in true micas within the limits of maintenance of the comfortable junction plaines between the octahedral and tetrahedral sheets, but it shows much fewer influence on composition than muscovite substitution and it is of no importance to natural subdivision of Mg-Fe micas.High-valent cations play a different role from Mg-rich to Fe+2-rich varieties in crystallo-chemistry. On the other hand, a variety of mica has its distinctive occurrence in nature. Thus, the natural subdivision of Mg-Fe micas essentially reflects the potential difference in the manner and extent of muscovite substitution among various micas during crystalization under distinctive natural conditions.

给出云母化学成分比值FM=6(Fe~(+2)+Mn)/(Fe~(2+)+Mn+Mg),用以表示Mg-Fe云母成分变化的基本趋势。根据291个云母的化学成分相对于FM值的异常变化,提出了天然Mg-Fe云母自然分类的新方案:把FM≌1.20(1.05—1.35)、4.80作为区分金云母、黑云母和铁叶云母的界线;FM>0.60的金云母称为铁金云母;以FM=2.70、3.60把黑云母再细分为富镁黑云母、镁铁黑云母和富铁黑云母。Mg-Fe云母自然分类的本质是各成员云母之间白云母置换方式和限度的潜在差异在不同的自然结晶条件下的反映。

 
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