Báo cáo khoa học: "Water acquisition patterns of two wet tropical canopy tree species of French Guiana as inferred from H218O extraction profile" ppt

... 142–145. Original article Water acquisition patterns of two wet tropical canopy tree species of French Guiana as inferred from H 2 18 O extraction profiles Damien Bonal a , Claire Atger b , Têté ... We inferred water acquisition patterns of two major tropical rainforest canopy tree species, during wet and dry seasons in different soil drainag...

Ngày tải lên: 08/08/2014, 14:22

... Histology of the fat body of flies 2 (C) or 4 (B,D) days after injection of Tris (B) or DCV (C,D). The scale bar represents 20 lm (E,F). Accumulation of viral particles in the cytoplasm of cells from ... classes of microorganisms, such as lipopolysaccharide (LPS) from Gram-negative bacteria, peptidoglycan (PGN) from Gram- positive bacteria, or double-stranded (ds)RNA from...

Ngày tải lên: 08/03/2014, 08:20

... participles from adjectives and nouns, as shown below. (2) a. John has [~p rented furniture] (comp.: John has often rented apart- ments) b. John was smashed (drunk) last night (comp.: John was ... Simplicity of design and speed Efficient use of the available text was not a high priority, since it was felt that plenty of text was available even for an inefficient learner,...

Ngày tải lên: 20/02/2014, 21:20

... lan- guages into two different groups (i.e., L + and L − obtained from the analysis of the second eigen- vectors of B and B  ) also has a strong classifi- catory basis. It may well be the case that cer- tain ... prevalence of the consonants from C + in the lan- guages of L + , the consonants from C − are almost absent. However, there is an equal prevalence of the consonants...

Ngày tải lên: 22/02/2014, 02:20

... made up of ” NP QT is made up of NP’ C “p(x) are made of NP QT are made of NP’ C “p(x) comprise” NP QT comprise (of) ? NP’ C “p(x) consist of NP QT consist of NP’ C Table 2: Clues and Patterns ... that in the case of expressions such as ”a car comprises a fixed number of basic components”, ”data mining com- prises a range of data analysis techniques”, ”books consist of a...

Ngày tải lên: 08/03/2014, 02:21

... mountain”)). 3.2.2 Classifier The classifier operates by attempting to match the set of GRs associated with each sentence against var- ious patterns. The patterns were developed by a combination of knowledge of ... to the SCF classifier. Consider the arguments of “easy” in the sentence: These examples of animal senses are rel- atively easy for us to comprehend as they are not too...

Ngày tải lên: 08/03/2014, 04:22

... with different types of knowl- edge. Many of them have proved useful, such as WordNet (Miller et al., 1990). However, in some areas, such as WSD, manually created knowledge bases seem never to ... extracted from the CGC; whereas those for bass, crane and palm are obtained from both CGC and the People’s Daily On-line. This is be- cause the Chinese translation equivalents of sense...

Ngày tải lên: 08/03/2014, 04:22

... Automatic Acquisition of Named Entity Tagged Corpus from World Wide Web Joohui An Dept. of CSE POSTECH Pohang, Korea 790-784 minnie@postech.ac.kr Seungwoo Lee Dept. of CSE POSTECH Pohang, ... and subsequently the porting of a machine learning sys- tem to another domain is much easier than that of a rule-based one. Various supervised learning meth- ods for Named Entity (NE) tasks...

Ngày tải lên: 08/03/2014, 04:22

... 1992. "Class- Based n-gram Models of Natural Language". Computational Linguistics, 18(4):467-480. C. Chang and C. Chen. 1996. "Application Is- sues of SA-class Bigram Language ... test corpus, BI shows slightly bet- ter performance than TRI as depicted in Fig- ure 6. Increase in the order of n-gram from two to three shows no gains in entropy reduc- tion. DEP...

Ngày tải lên: 08/03/2014, 05:21

... 6-deoxyerythronolide B synthase; DKS, diketide synthase; FAS, fatty acid synthase; KR, ketoreductase; KS, ketosynthase; PKS, polyketide synthase; SNAC, thioester of N-acetylcysteamine; TE, thioesterase. * [Correction ... general basis of regulation in PKS operations, especially in more fully evolved systems, such as the DEBS. The proposal that there are two forms of control resultin...

Ngày tải lên: 16/03/2014, 03:20