etymology of the christmas tree

Báo cáo khoa học: "Parsing with Treebank Grammars: Empirical Bounds, Theoretical Models, and the Structure of the Penn Treebank" ppt

Báo cáo khoa học: "Parsing with Treebank Grammars: Empirical Bounds, Theoretical Models, and the Structure of the Penn Treebank" ppt

... shows the effect of the tree transforms on traversal counts. The NOUNARIES settings are much more efficient than the others, however this efficiency comes at a price in terms of the utility of the ... NN:[2,3]) 3.1 Time The parser has an theoretical time bound, where is the number of words in the sentence to be parsed, is the number of nonterminal categories in the grammar and is the number of (active) ... particular, explain the originally ob- served super-cubic behavior. We used treebank grammars induced directly from the local trees of the entire WSJ section of the Penn Treebank (Marcus et al.,...

Ngày tải lên: 17/03/2014, 07:20

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Tài liệu HANDBOOK OF THE TREES OF NEW ENGLAND WITH RANGES THROUGHOUT THE UNITED STATES AND CANADA ppt

Tài liệu HANDBOOK OF THE TREES OF NEW ENGLAND WITH RANGES THROUGHOUT THE UNITED STATES AND CANADA ppt

... the southern limit of the species; Rhode Island and Connecticut, not reported. West through the northern sections of the northern tier of states to the Rocky mountains. Habit A handsome tree, ... the base, the measurements are made above the swell of the roots; when reinforced at the ground and also at the branching point, as often in the American elm, the measurements are made at the ... along the Merrimac valley to the White mountains and up the Connecticut valley to the mouth of the Passumpsic, reaching an altitude of 1000 feet above the sea level; Vermont,— common in the northern...

Ngày tải lên: 13/02/2014, 12:20

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Tài liệu TREES OF THE NORTHERN UNITED STATES THEIR STUDY, DESCRIPTION AND DETERMINATION FOR THE USE OF SCHOOLS AND PRIVATE STUDENTS doc

Tài liệu TREES OF THE NORTHERN UNITED STATES THEIR STUDY, DESCRIPTION AND DETERMINATION FOR THE USE OF SCHOOLS AND PRIVATE STUDENTS doc

... different kinds of trees are readily known by the appearance of the bark of the trunk, due to the many varieties of surface caused by the allowance for growth. None of the characteristics of trees afford ... on the tree. Again move the pencil till the thumb is in line with the new position, and so continue the process till the top of the tree is reached. The number of the measures multiplied by the ... study of the roots of trees is practicable, some knowledge of their forms, varieties, and parts is important. The great office of the roots of all plants is the taking in of food from the soil....

Ngày tải lên: 13/02/2014, 12:20

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Tài liệu Báo cáo khoa học: "An Implemented Description of Japanese: The Lexeed Dictionary and the Hinoki Treebank" ppt

Tài liệu Báo cáo khoa học: "An Implemented Description of Japanese: The Lexeed Dictionary and the Hinoki Treebank" ppt

... familiar- ity and part of speech, all the underlined features are those added by the Hinoki project. 3 The Hinoki Treebank The structure of our treebank is inspired by the Redwoods treebank of English (Oepen ... to make the system self sustaining we base the first growth of our treebank on the dic- tionary definition sentences themselves. We then train a statistical model on the treebank and parse the entire ... in the grammar, and improving the grammar directly improves the quality of the treebank in a mutually beneficial feedback loop. The second reason is that we wanted to annotate to a high level of...

Ngày tải lên: 20/02/2014, 12:20

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Tài liệu Research evaluation of economic, social, and ecological implications of the programme for commercial tree plantations: case study of rubber in the south of Laos PDR pptx

Tài liệu Research evaluation of economic, social, and ecological implications of the programme for commercial tree plantations: case study of rubber in the south of Laos PDR pptx

... linked to the suitability of the land or the nature of the project and there was no study of the distribution of income in the local area. 2.5 Lack of participation by affected people The granting ... it is one of the ten top export commodities of Thailand. The area of rubber production has expanded from the South to the Eastern region, the Northeast and the North. In the Northeast, rubber ... investment of 12.8 million US dollars. Since then, the planting of commercial trees and other industrial cash crops in Laos has expanded. The policy of change of the economic policy of the Lao...

Ngày tải lên: 21/02/2014, 04:20

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Tài liệu Báo cáo Y học: Expression and characterization of active site mutants of hevamine, a chitinase from the rubber tree Hevea brasiliensis docx

Tài liệu Báo cáo Y học: Expression and characterization of active site mutants of hevamine, a chitinase from the rubber tree Hevea brasiliensis docx

... the active site properties. The cause of these differences is not known. K m and k cat measurements of hevamine and mutants Comparison of the steady-state kinetic parameters of hevamine and the ... interaction with the Asp125 side chain, which, in turn, is hydrogen bonded to the nitrogen atom of the N-acetyl group of the )1 sugar residue, o rienting the carbonyl oxygen towards the C1 atom. ... judged by SDS/ PAGE. The activity of the pure recombinant protein was 80% of that of t he wild-type protein in both the lysozyme and chitinase assays. Attempts to further purify the recombinant hevamine...

Ngày tải lên: 22/02/2014, 04:20

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Tài liệu Báo cáo khoa học: "STRING-TREE CORRESPONDENCE GRAMMAR: A DECLARATIVE GRAMMAR FORMALISM FOR DEFINING THE CORRESPONDENCE BETWEEN STRINGS OF TERMS AND TREE STRUCTURES" pdf

Tài liệu Báo cáo khoa học: "STRING-TREE CORRESPONDENCE GRAMMAR: A DECLARATIVE GRAMMAR FORMALISM FOR DEFINING THE CORRESPONDENCE BETWEEN STRINGS OF TERMS AND TREE STRUCTURES" pdf

... ABSTRACT The paper introduces a grammar formalism for defining the set of sentences in a language, a set of labeled trees (not the derivation trees of the grammar) for the representation of the ... string and elements of the set of subtrees of the tree : such a relation is called a string- tree correspondence. An example of a string -tree correspondence is given in fig. I. TREE: NP I [ 4 ... fact two languages, one of strings and the other of trees. At the moment, there is no large applications of the STCG, but as the STCG derives its formal properties from the Static Grammar, it...

Ngày tải lên: 22/02/2014, 10:20

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Women raise their voices against tree plantations - The role of the European Union in disempowering women in the South docx

Women raise their voices against tree plantations - The role of the European Union in disempowering women in the South docx

... family. One of the women told that she had been at the offices of the company and an officer showed her the papers related to the purchase of lands of the family. According to him, they had just ... from the existence of swamps. The Pampa of the South of Brazil, in the State of Rio Grande do Sul (RS) borders another two countries of the Pampa: Uruguay and Argentina. Due to a number of ... meet the needs of the communities. On the contrary, they were designed on the basis of an agro-export model geared to the countries of the North – and the European Union specifically in the...

Ngày tải lên: 08/03/2014, 10:20

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Báo cáo sinh học: "Search for a ‘Tree of Life’ in the thicket of the phylogenetic forest" doc

Báo cáo sinh học: "Search for a ‘Tree of Life’ in the thicket of the phylogenetic forest" doc

... of how representative the topology of the given tree is of the entire forest of life (the IS is the fraction of the times the splits from a given tree are found in all trees of the forest). The ... groups of trees that differed in terms of the distribution of the trees by the number of species, the partitioning of archaea-only and bacteria-only trees, and the functional classification of the respective ... For most of the analyses described below, we analyzed the NUTs in parallel with the complete set of trees in the forest of life or else traced the position of the NUTs in the results of the global...

Ngày tải lên: 06/08/2014, 19:20

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Báo cáo lâm nghiệp: "Can 13C stable isotope record of Norway spruce tree rings display the effect of environmental conditions" pot

Báo cáo lâm nghiệp: "Can 13C stable isotope record of Norway spruce tree rings display the effect of environmental conditions" pot

... which can result in the growth depression of trees. Growth depression of Norway spruce was detected in the Bavarian Forest (W, E 2004) and the northern part of the Czech Republic ... 2002). In the Bohemian Forest Mts., the negative effects of atmospheric depositions and soil acidification on isotopic composition and chemistry of tree rings and, therefore, on the tree physiologi- cal ... signal changes appreciated relative to the average of the whole trees. e pre- sented results correspond to the analyses previously performed on other four trees (Š et al. 2007) from...

Ngày tải lên: 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Results of a phenological study of the tree layer of a mixed stand in the region of the Drahanská vrchovina Upland" ppt

Báo cáo lâm nghiệp: "Results of a phenological study of the tree layer of a mixed stand in the region of the Drahanská vrchovina Upland" ppt

... 389°C). For the period of 16 years, the mean value of the stage was the 114 th day (TS5 = 80.1°C). Full 100% foliation oc- curred first during the last 4 years the 123 rd day at the sum of temperatures ... and the 163 rd day at the sum of temperatures 161.6°C in 1991. The period of the photosynthetic activity of a leaf area is terminated by the autumn phenological stage (autumn yellowing of ... 294–305 the phenological stage of full 100% foliage. In Eu- ropean larch, it was the stage of the beginning of 100% foliage. On the contrary, the lowest variability was observed in the stage of...

Ngày tải lên: 07/08/2014, 03:22

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Báo cáo toán học: "Parking functions, empirical processes, and the width of rooted labeled trees" pps

Báo cáo toán học: "Parking functions, empirical processes, and the width of rooted labeled trees" pps

... maximum of the ruin sequence is within O(1) of the height of the corresponding general tree. Thus we can use Theorem 5.1 (Flajolet-Odlyzko, 1982) The r th moment of the height of a general tree ... stages of the BFS, the vertex x at the head of the queue is removed from the queue, and all “new” neighbors of x areaddedattheendof the queue, in increasing order. At step 0, the search produces the ... 2 −r/2 n r/2 E(m r ), instead of Proposition 2.2, to obtain convergence of moments of the width of binary trees. However, compared with Theorem 1.1, we lose the speed of convergence. Asymptotics for the moments of the...

Ngày tải lên: 07/08/2014, 06:22

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Báo cáo lâm nghiệp: " Dynamics of tree species composition and characteristics of available space utilization in the natural forest of the National Nature Reserve Hrončokovský Grúň" pot

Báo cáo lâm nghiệp: " Dynamics of tree species composition and characteristics of available space utilization in the natural forest of the National Nature Reserve Hrončokovský Grúň" pot

... in spite of the fact that they are both moderately shade-tolerant tree spe- cies. In the case of these two tree species, improved soil conditions balanced the lack of sunlight in the middle ... 497–508 addition to the analysis of living trees, this procedure indirectly evaluates the variability of the dying-off of trees within individual developmental stages. In the advanced phase of the growth ... occasionally damaged by the falling of trees of the upper layer. European beech as the bearer of the structure of this natural forest just starts to dominate from the aspect of yield and function...

Ngày tải lên: 07/08/2014, 10:22

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Báo cáo lâm nghiệp: " The applicability of the Pipe Model Theory in trees of Scots pine of Poland" ppsx

Báo cáo lâm nghiệp: " The applicability of the Pipe Model Theory in trees of Scots pine of Poland" ppsx

... from the kerf plane of the tree, next at a distance of 1 m from the plane of the diameter at breast height (1.3 m) and from the cen- tres of the adopted 2-meter sections. In the course of laboratory ... 519–531 Prior to the felling of mean sample trees their di- ameters were measured on the basis of their crown projection area. Next model trees were felled and the length of their stems was ... (within the adopted 20-year inter- vals) in terms of relationships between the biometric characters of the crown and the area and volume of sapwood. On the basis of the trend observed for the analyzed...

Ngày tải lên: 07/08/2014, 10:22

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