Báo cáo khoa học: " CO efflux in a beech forest: dependence on soi" ppt

... resulting from increasing greenhouse gases in the atmosphere may counteract this increase in carbon accumulation in soils by stimulating the mineralization rate of organic carbon pools ... quantify annual soil carbon effluxes in a young beech forest in north-eastern France using a portable chamber connected to an infra-red gas analyser. We i...

Ngày tải lên: 08/08/2014, 14:21

... the Sierra de la Demanda area of northern Spain I Santa Regina 1 T Tarazona R Calvo 3 1 IRNA-CSIC; 2 JCL; 3 INIA, Cordel de Merinas 40, Apdo 257, 37071 Salamanca, Spain (Received ... Beauchamp, 1973; Sprugel, 1983) have proposed cor-

Ngày tải lên: 08/08/2014, 18:21

... 2. After an initial increase due to a large evaporative demand at the beginning of July, transpira- tion measured by Bowen ratio and hpv techniques decreased continuously ... hpv data were collected. The sap- wood cross sectional area was determined by adding a blue dye to the water and counting with a microscope the number and area of ves...

Ngày tải lên: 09/08/2014, 02:21

... Rebecca Passonneau. 2004. Evalu- ating content selection in summarization: The pyra- mid method. In In Proceedings of the Joint Con- ference of the North American Association for Com- putational Linguistics ... Introduction In this paper we investigate how features of a text discovered via automatic event extraction can be used in both natural language understanding and advice gener...

Ngày tải lên: 20/02/2014, 12:20

... of ACTION called ACTION-BY-JACK, i.e., (27) (28) SUBTYPE(ACTION-BY-JACK,ACTIONS) ¥ abj:ACTION-BY-JACK ROLE(abj,ACTOR,JACK). Then we could encode the general fact that all actions by Jack ... state that all actions with actor JACK are necessarily of type ACTION-BY-JACK. This can be expressed as (32) v a: ACTIONS [ACTOR JACK] TYPE (a, ACTION-BY-JACK). 5. Equality One Of the crucia...

Ngày tải lên: 21/02/2014, 20:20

... This means that although theoretically appealing, the HOU approach to contrastive accent is less attractive from a computational viewpoint. 3 An alternative solution Fortunately, in data-to-speech ... necessary for determining contrast. For instance, the contrast in (1) is based on the knowledge that kicking the ball into the wrong goal implies scoring a goal for the opposin...

Ngày tải lên: 22/02/2014, 03:20

... all relevant sentence readings in a compact way. We also compile each grammar rule into a finite state automaton. Each rule automaton can be regarded as a constraint that accepts some readings ... Ninth National Conference on Ar- tificial Intelligence (AAAI-91). Anaheim, Califor- nia, 1991. [Karlsson et al., 1993] Karlsson, F., Voutilainen, A. , Heikkilii, J. and Anttila,...

Ngày tải lên: 22/02/2014, 10:20

... Jorge Hankamer and Ivan Sag. Deep and surface anaphora. Linguis- tic Inquiry, 7(3):391-428, 1976. [Johnson and Klein, 1986] Mark Johnson and Ewan Klein. Discourse, Anaphora, and Parsing. In Coi- ... ). As these entries make clear, a DtLS is constructed of a PROLOG term containing two lists, where the first one contains the discourse markers (i.e. the domain) and the second one th...

Ngày tải lên: 22/02/2014, 10:20

... English and a French versions of a software manual contain 628 and 640 paragraphs, respectively. In all, there are 30 para- graphs embedded in them which do not have a trans- lation (some in fact ... Nationalization Situations where a document needs re-translation are usually associated with commercial products that undergo modifications and revisions and require ac- com...

Ngày tải lên: 22/02/2014, 10:20

... while maintaining covalent or noncovalent FAD* binding. In other words, both covalent flavin attachment and a subunit association-induced confor- mational change [39] caused increases in the redox potential ... recombinant human monoamine oxidase A (MAO A) , which contains covalent FAD ( 8a- S-cyste- inyl), a mutant was prepared that no longer covalently linked FAD (C40 6A) , but th...

Ngày tải lên: 16/03/2014, 01:20