Báo cáo khoa học: "Méthode pour caractériser l’irrégularité de la forme des tiges en section transversale et son évolution au cours du temps" pot
... (≥16). CONCLUSION La méthode proposée tente de rendre compte de la déformation de la section des tiges et de son évolution au cours du temps. Elle prend en compte l’excentricité des tiges ... 12, INTRODUCTION Plusieurs études prenant en compte le problème de la forme des arbres retien- nent a priori que la section...
Ngày tải lên: 08/08/2014, 23:22
... année à l’autre. La différence de 20 j environ entre les images de 88 et 90 et la différence de 6,6° qui en résulte au niveau de l’angle d’inci- dence solaire ne semble ... concerne la «qualité» de l’éclaircie, on n’a pas pu mettre en évidence de relation entre l’importance de la diffé- rence radiométrique et l’intensité de...
Ngày tải lên: 08/08/2014, 19:21
... time-of-flight) in order to identify the pep- tide fragment covalently linked to the amidino group (Table S1). However, an enzyme–amidino intermediate could not be detected. GC-MS was employed to detect the ... 48 h when the enzyme was stored at 4 °C, despite the addition of reducing agents such as dithiothreitol, Tris(2-carboxyethyl) phosphine or b-mercaptoethanol. Similar observations were m...
Ngày tải lên: 06/03/2014, 22:21
Báo cáo khoa học: Translational incorporation of L-3,4-dihydroxyphenylalanine into proteins docx
... SpeI–BglII fragment from plasmid pLEIGwt that encodes GFP was then inserted between these new sites in pETMCSIV to generate pMH1200; pLEIGwt [29] was a generous gift from Dr Peter Schultz (Scripps ... Research Institute, La Jolla, CA, USA). The orientations of inserted fragments and their integrity in the new plasmids were con- firmed by nucleotide sequence determination (Biomolecular Resour...
Ngày tải lên: 16/03/2014, 22:20
Báo cáo khoa học: Structural characterization of L-glutamate oxidase from Streptomyces sp. X-119-6 pdf
... enabling identification of the posi- tion of the C-terminal end of this fragment (Ala480). The results show deletions of 40 residues between the c-fragment and b-fragment and approximately 20 residues ... Structure-based sequence alignment of LGOX with LAAO. The N-terminal residues of the a-fragments and b fragments for which no electron density was observed are presented in lower-case letters...
Ngày tải lên: 23/03/2014, 05:22
Báo cáo khoa học: Metabolic fate of L-lactaldehyde derived from an alternative L-rhamnose pathway ppt
... 0 Valeraldehyde (C5) 38 105 0 Hexylaldehyde (C6) 41 82 0 Heptylaldehyde (C7) 28 70 7.4 Octylaldehyde (C8) 22 57 0 Isobutylaldehyde 82 54 0 Glutaraldehyde 47 251 0 Glycolaldehyde 74 70 91 Benzaldehyde 27 ... independently. Abbreviations ALDH, aldehyde dehydrogenase; AvLADH, Azotobacter vinelandii LADH; EcLADH, Escherichia coli LADH; GAPDH, glyceraldehyde 3- phosphate dehydrogenase; LADH, L-lac...
Ngày tải lên: 30/03/2014, 02:20
Báo cáo khoa học: "Xác định hàm l-ợng nhũ t-ơng, xi măng hợp lý trong công nghệ gia cố tổng hợp cấp phối Laterite bằng nhũ t-ơng và xi măng" potx
... surfaces made of this material may be occured skid, muddy in rainy, dusty in dry season, which considerably influence on traffic quality and environment. This work presents the achievement on researching ... ô tô. Summary: Laterite aggregate is a local material being and have been popularly using on almost locations in Vietnam for road construction, specially, in rural road pavement build...
Ngày tải lên: 06/08/2014, 05:21
Báo cáo khoa học: "đánh giá chất l-ợng xây dựng lớp mặt đ-ờng bê tông nhựa qua chỉ tiêu độ ổn định marshall trên mẫu khoan" pdf
... Quy trình AASHTO, ASTM bản hiện hành. [2] SuperPave Mix Design - Asphalt Institue Superpave Series No.2 (SP - 2). [3] Marshall Method Mix Design - Asphalt Institue Series No.1 (SP - 1). [4] 22 ... 24 giờ) so với độ ổn định ban đầu, % - Cờng độ, mô đun đàn hồi (Indirect tensile creep, Indirect tensile strength) Theo Phơng pháp Marshall, hỗn hợp bê tông nhựa phải thoả mÃn các yêu cầu ....
Ngày tải lên: 06/08/2014, 13:21
Báo cáo khoa học: "Variabilité (espèce, forêt, arbre, largeur de cernes et âge) de l’odeur du chêne français de tonnellerie (Quercus robur L., Quercus petraea Liebl.) étudiée par flairage de copeaux" docx
... ; (2) des classements d’intensité sur des échantillons provenant des cinq arbres de la forêt de Cîteaux étudiés par Sauvageot et Feuillat [22] ; ces clas- sements avaient porté sur quatredescripteurs ... alors que nos sujets ont flairé des copeaux bruts) ; (ii) un effet « pente dite de Stevens » (la pente de la relation entre le logarithme de l’intensité perçue I et...
Ngày tải lên: 08/08/2014, 14:20
Báo cáo khoa học: "Beech (Fagus sylvatica L.) branches show acclimation of xylem anatomy and hydraulic properties to increased light after thinning" pdf
... l’éclaircie, nous avons mesuré le po- tentiel hydrique des feuilles et du xylème et la conductance stomatique de branches « éclaircies » et comparé ces résultats à des branches de lu- mière et ... fortes et des potentiels hydriques foliaires plus négatifs que les autres branches. Ces branches présentaient une vulnérabilité à la cavitation plus faible que les branches...
Ngày tải lên: 08/08/2014, 14:21