Báo cáo khoa học: "gelling agents on growth, mineral composition and naphthoquinone content of in vitro explants of hybrid walnut tree (Juglans regia x Juglans nigra)" pdf

... class="bi x0 y0 w3 h1a" alt="" Original article Effects of gelling agents on growth, mineral composition and naphthoquinone content of in vitro explants of hybrid walnut tree (Juglans ... explants growing on agar (fig 4). Naphthoquinone content Regarding the content of hydrojuglone glu- coside and juglone in leaves, stem and...

Ngày tải lên: 08/08/2014, 23:22

... within one clone and one site, in fracture toughness calculated in air-dried conditions. The extension of such results to explain crack propagation in green conditions when ... of the technical Division of the ONF, National For- est Office). The second factor to be studied is related to the propagation conditions of existing shakes, which...

Ngày tải lên: 08/08/2014, 19:21

... completely prevents binding of Ste12 in vitro (not shown) and, in effect, the reporters indicated in lines 4 and 5 of Fig. 5B possess only a single functional PRE. We also examined the effect that mutations in ... to be binding of Ste12 multimers to DNA. Organizational constraints on multiple PREs for a pheromone response When examining the promoters of some of the mo...

Ngày tải lên: 06/03/2014, 22:21

... 139ff) Harmonious Composition (HarmComp) defined as X/ YY/Z =~ X/ Z Y\Z X\ Y~ X\ Z (and is generally adored) is Lambek Calculus (Lambek) has the following basis: axiom: X =* X rules: if X Y ~ ... X =v Z/Y if X =~ Z\Y then X =~ Z/Y and Y ~ Z \X then X Y =~ Z then Y X ::~ Z Permutation Closure of language L (PermL) PermL = { s [ s' in L and s...

Ngày tải lên: 24/03/2014, 03:20

... Associated Information So we turn our standpoint and take natural categories of nouns (concepts) as a base and associate to it through case relation pairs of a verb and its translation equivalent. ... translation equivalents in detail at the lower level categories. (2) To each verb found in the process of the association, consults ordinary dictionary of translation e...

Ngày tải lên: 31/03/2014, 17:20

... representative of the wide diver- sity of soil conditions and forest structure pre- vailing in the region and are found: - along the Saint Elie track in the ECEREX research zone ... different tree species in the tropical rain forest of the French Guyana obviously dis- play a wide range of strategies in exploring the soil and using...

Ngày tải lên: 08/08/2014, 19:21

... activity in Arabid- opsis and yeast contain a catalytic motif comprising the consensus sequences KXXXXXXRP, PSGH and SRXXXXXHXXXD [2,5,28,29]. Analyses made with several prediction algorithms were unable ... as outlined above (Figs 4B, 5B and 6B). In conclusion, amino acid substitutions in the conserved C-LIP domain, including the HAD-like motif of AtPAH1 and BnPAH1A, resulted...

Ngày tải lên: 15/03/2014, 00:20

... a column of Pro-Bond TM resin (Invitrogen, Carlsbad, CA, USA) containing Ni 2+ as an affinity ligand. After washing with 20 mm potassium phosphate buffer, pH 7.9, contain- ing 0.5 m NaCl and 40 ... cyclization of the enzyme-bound tetra- ketide intermediate, leading to formation of naringenin chalcone (4,2¢,4¢,6¢-tetrahydroxychalcone) (Fig. 1A) [1,2]. The in vitro CHS enzyme reactio...

Ngày tải lên: 16/03/2014, 14:20

... decline of all variables was caused by B. stevensii within 6 days after inoculation, followed by a temporary increase in maximum daily shrinkage coinciding with wilting of ... cankers of 4 to 10 cm around the point of inoculation in 3 weeks. Cankers were characterised by darkening and depression of vascular and bark tissues. The for...

Ngày tải lên: 08/08/2014, 14:21

... light-demanding species Original article Physical damage on tropical tree saplings: quantification and consequences for competition through height growth in a neotropical rain forest ... stem breakage on these parameters? We undertook a study of the effects of damage by breakage on the growth and survival of saplings of three tropical rain f...

Ngày tải lên: 08/08/2014, 23:22