Báo cáo khoa học: "Micropropagation and rejuvenation Sequoia sempervirens (Lamb) Endl: a review" pdf

... identification and characteristics. Am For 22, 270, 323-328 Review article Micropropagation and rejuvenation of Sequoia sempervirens (Lamb) Endl: a review Y Arnaud A Franclet H Tranvan M Jacques 1 ... explants (growth regulators were 2.4.5-T and SD 8339). After elongation on a medium lacking cytokinin and containing activated charcoal and...

Ngày tải lên: 08/08/2014, 23:22

... late in the spring (usually 14 d after normal Q robur) and have a very good stem form. Due to the late flushing they escape damage from late frosts and are not attacked ... can cause problems and will have to be taken into account when many different clones will be propagated com- mercially on a large scale. Clonal mixtures for woodlan...

Ngày tải lên: 08/08/2014, 19:21

... temperature, media and sub- culture period, a multivariate analysis of variance was calculated. As shown in fig- ure 2, the accumulation of biomass (fresh weight) decreased ... significantly at 10 and 4 °C. Cold temperatures in storage stimu- lated considerably the accumulation of bio- mass after storage. Accumulation of bio- mass after storage wa...

Ngày tải lên: 08/08/2014, 19:21

... Using Pattern Clusters and its Evaluation by Automatically Generated SAT Analogy Questions. ACL ’08. Roxana Girju, Adriana Badulescu, and Dan Moldovan. 2006. Automatic discovery of part-whole relations. Computational ... (P compare was empty). 4.2 Automated QA Evaluation We created two QA datasets, Web and TREC based. Web-based QA dataset. We created QA datasets for size, height, width,...

Ngày tải lên: 20/02/2014, 04:20

... Principle-Based Parsing, MIT AI Lab Technical Rept. 972 Berwick, R., (1989), Natural Language Computational Complexity and Generative Capacity, to appear in Computers and Artificial Intelligence ... H.P.& C. Tiersch (1990), Levels and Empty Categories in a Principles and Parameters Approach to Parsing, in K. Netter & C. Rohrer (eds.) Representational and Derivation...

Ngày tải lên: 22/02/2014, 10:20

... contain a second H N in the side chain. The N-terminal Gly1 appears as a weak and very broad peak. All H a chemical shifts of residues 5–31 show an upfield shift compared with random-coil data indicating ... estimation of the maximum distances and classification of cross-peaks as weak, medium and strong. For the calibration of the intensities of the NOE peaks, a statistical analys...

Ngày tải lên: 16/03/2014, 16:20

... maintaining an interface localization of a peptide. In summary, the structural and functional analyses of the all- L -amino acids peptide and its diastereomeric analog indicate that a defined a helical ... similar membrane-permeating activities, namely amphipathic organization and interface location. The structural analysis presented here reveals that both peptides adopt amphipathi...

Ngày tải lên: 17/03/2014, 11:20

... Syntactic Recognition for Natural Language. MIT Press, Cam- bridge, MA. [Schabes et al., 1988] Yves Schabes, Anne Abeill6, and Aravind K. Joshi. Parsing strategies with 'lexical- ized' ... University of Pennsylvania. [Fukui and Speas, 1986] Naoki Fukui and Margaret Speas. Specifiers and projec- tion. In Naold Fukui, T. Rappaport, and E. Sagey, editors, MIT Workin...

Ngày tải lên: 17/03/2014, 20:20

... fractions are indicated. Table 3. Quantitative evaluation of thiol and disulfide containing pep- tides of aerobically and anaerobically prepared apoFNR. Aerobically or anaerobically prepared apoFNR ... anaerobic apoFNR consisted of one major signal at 28 408 Da after alkylation equivalent to five- fold alkylated apoFNR, and a minor signal of three- fold alkylated FNR (Fig. 1B). Therefor...

Ngày tải lên: 23/03/2014, 15:20

... the peak at 637 nm is much enhanced and new peaks Table 2. g-Values and g-anisotropy of alkaline forms of heme–heme oxygenase complexes. Data for Hmu O and rat HO-1 are taken from refs [24] and ... Soret bands of the ferric and ferrous forms, having maxima at 402 and 427 nm, respectively, are slightly blue-shifted compared with those of mammalian (404 and 431 nm) and bacterial...

Ngày tải lên: 23/03/2014, 20:22