Báo cáo khoa học: "Modelling resin production distributions for Pinus Pinaster Ait using two probability functions" docx

... proposed probability functions are useful for pre- dicting the stand resin production. Models based on resin- yield distributions should be preferred against models of the mean stand production ... profitable), leav- ing the less favorable ones for timber production. At present, no information concerning modelling resin production distributions exists. Frequency distri...

Ngày tải lên: 08/08/2014, 14:22

... experiment is shown in Table 1. We use 5000 sentences for experiment and divide them into three parts, with 3k for train- ing, 1k for testing and 1k for tuning the parameters of kernels and thresholds ... product of the two sub-structure spaces:   ,      . 2.1 Independent Bilingual Tree Kernel (iBTK) Given the sub-structure spaces   and   , we con- struct t...

Ngày tải lên: 20/02/2014, 04:20

... of Pinus pinaster Aiton in Western Australia. West Austr For Dep Bull 67, 34 p Illy G (1966) Recherches sur l’amélioration génétique du pin maritime (Pinus pinaster Ait) . ... Contribution à la connaissance des provenances de Pinus pinaster. Ann Rech For Maroc 16, 101-153 Gil L (1993) Genetic improvement of Pinus pinaster: variability in...

Ngày tải lên: 08/08/2014, 19:21

... chez le pin maritime (Pinus pinaster Ait) . I. Variabilité des populations autochtones et des populations de l’ensemble de l’aire de l’espèce. Ann Sci For 52, 307-328 Holst MJ, ... l’issue de mesures faites en 1993 sur la plantation d’hybrides interra- Article original Variabilité intraspécifique chez le pin maritime (Pinus pinaster Ait) dans...

Ngày tải lên: 08/08/2014, 19:21

... état physiologique du pin mari- time (Pinus pinaster Aït) sur la côté atlanti- que concernerait actuellement plus de 5 000 ha dans les for ts domaniales des dunes côtières, ... génétique. dépérissement / dendrochronologie / écophysiologie / Pinus pinaster / dune côtière / Vendée Summary— Maritime pine forest dieback on North Atlantic c...

Ngày tải lên: 08/08/2014, 23:22

... per- formed after cell extraction, or the need for derivatiza- tion. Cell disruption and saponification was performed as previously described, using a mixture of EtOH and KOH [20]. We found that using ... little effort made so far to engineer the metabolism of a microbial host for enhanced produc- tion of triterpenes. By contrast, there have been many considerable efforts to engineer m...

Ngày tải lên: 30/03/2014, 04:20

... BLEU4. For the phrase-based system, phrases are of at most 7 words on either source or target-side. For the hierarchical phrase-based system, all SCFG rules have at most two variables. For the ... state-of-the-art translation performance. The next version of NiuTrans will support ARPA-format LMs, MIRA for weight tuning and a beam-stack decoder which removes the ITG constrain...

Ngày tải lên: 19/02/2014, 20:20

... the algorithm for computing the -best lists is sub- optimal. Table 8: Preliminary translation results for the Verbmobil Test-147 for different contextual infor- mation and different thresholds using ... surrounding the word pair; Syntactic information: part-of-speech in- formation, syntactic constituent, sentence mood; Semantic information: disambiguation in- formation (e.g. from Word...

Ngày tải lên: 20/02/2014, 18:20

... for both languages; BLEU improvements are significant in all conditions for Finnish and for the two smallest training sets for German. The effect on the overall development set (consisting of both ... applied before training and after gener- ating the output in the target language. Normaliza- tion of English/German inflectional morphology to base forms for the purpose of word alignm...

Ngày tải lên: 22/02/2014, 02:20

... the K 0.5 app and K iapp for both monovalent cations, it is relevant that the decrease of the K 0.5 app was more important for K + than for Na + ;theratioofK 0.5 app for K + inwatertothatin40% dimethylsulfoxide ... with Mg 2+ ,theK i values for Na + and for Mg 2+ were 0.22 m M and 0.41 m M , respectively. In the competition of Mg 2+ with K + ,theK i for Mg 2+ was 4.38 m M . Ther...

Ngày tải lên: 08/03/2014, 02:20