Báo cáo khoa học: " Principaux critères économiques de gestion des forêts : analyse critique et comparative" ppsx

Báo cáo khoa học: " Principaux critères économiques de gestion des forêts : analyse critique et comparative" ppsx

Báo cáo khoa học: " Principaux critères économiques de gestion des forêts : analyse critique et comparative" ppsx

... L’avènement des optimums des critères d’accumulation sort en général du domaine de validité des modèles de crois- sance 8. Ainsi seuls ont été optimisés ici des critères de productivité ... pied aug- mentée de la valeur des éclaircies et autres produits passés. Cette production totale est brute ou nette des coûts de plantation, de...

Ngày tải lên: 08/08/2014, 23:22

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Báo cáo khoa học: "một số vấn đề về độ nhám mặt đường ô tô" ppsx

Báo cáo khoa học: "một số vấn đề về độ nhám mặt đường ô tô" ppsx

... các yêu cầu chung về cốt liệu tạo nhám nh sau: - Giá trị độ kháng bóng: PSV > 50 - Trị số độ mài mòn Los Angeles: LA < 20% - Chỉ số độ dẹt: FI < 20% Để tăng sức kháng trợt cho bề ... đây xin trình bày 3 giải pháp phổ biến nhất: 1. Giải pháp dùng lớp phủ mỏng bê tông nhựa cấp phối hở dùng nhựa đặc biệt (Very Thin Ovelay) Mục đích: Công nghệ lớp phủ mỏng tạo nhám là lớp phủ ......

Ngày tải lên: 06/08/2014, 13:20

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Tài liệu Báo cáo khoa học: An engineered disulfide bridge mimics the effect of calcium to protect neutral protease against local unfolding docx

Tài liệu Báo cáo khoa học: An engineered disulfide bridge mimics the effect of calcium to protect neutral protease against local unfolding docx

... the Kultusministerium des Landes Sachsen-Anhalt and the Deutsche Forschungsgemeinschaft is gratefully acknowledged. References 1 Rawlings ND & Barrett AJ (1995) Evolutionary families of metallopeptidases. Methods ... The signal at 222 nm was used for the determination of kinetic constants. As the fluorescence and CD spectra of the unfolded and the degraded protein are nearly identical [1...

Ngày tải lên: 19/02/2014, 17:20

12 610 0
Báo cáo khoa học: Acceleration of disulfide-coupled protein folding using glutathione derivatives potx

Báo cáo khoa học: Acceleration of disulfide-coupled protein folding using glutathione derivatives potx

... values of proteins were determined using a DALTONICS ultraflex spectrometer (Bruker Japan Co., Ltd) in the positive ion mode. Mass spectro- metric analyses of proteins and peptides were carried out in ... to better understand the folding mechanism in the presence of RCG red ⁄ RCG ox , the folding inter- mediates were further analyzed in detail. The disul de pairing of prouroguanylin was deter...

Ngày tải lên: 06/03/2014, 00:21

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Báo cáo khóa học: O-acetylation and de-O-acetylation of sialic acids in human colorectal carcinoma docx

Báo cáo khóa học: O-acetylation and de-O-acetylation of sialic acids in human colorectal carcinoma docx

... fluorometric HPLC utilizing the method described by Hara et al. [27]. The retention times of the 282 Y. Shen et al. (Eur. J. Biochem. 271) Ó FEBS 2003 because no correlation between O-acetylated ... MU, 4-methyl- umbelliferyl; 4-MUAc, 4-methylumbelliferyl acetate; Neu5Ac, 5-N-acetyl-neuraminic acid; Neu5,9Ac 2 ,5-N-acetyl-9-O-acetylneu- raminic acid; Neu5,7Ac 2 ,5-N-acetyl-7-O-acetylneuram...

Ngày tải lên: 07/03/2014, 14:20

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Báo cáo khoa học: "Learning to Rank Definitions to Generate Quizzes for Interactive Information Presentation" doc

Báo cáo khoa học: "Learning to Rank Definitions to Generate Quizzes for Interactive Information Presentation" doc

... used measures such as tf*idf (Xu et al., 2004) or ranking models trained to encode the likelihood of a de ni- tion being good (Xu et al., 2005). However, such measures/models may not be suitable for ... information nuggets (Xu et al., 2004; Sun et al., 2005). Such measures are used under the assump- tion that outstanding/co-occurring keywords about a de niendum characterize that de...

Ngày tải lên: 08/03/2014, 03:20

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Báo cáo khoa học: Kinetics of violaxanthin de-epoxidation by violaxanthin de-epoxidase, a xanthophyll cycle enzyme, is regulated by membrane fluidity in model lipid bilayers pptx

Báo cáo khoa học: Kinetics of violaxanthin de-epoxidation by violaxanthin de-epoxidase, a xanthophyll cycle enzyme, is regulated by membrane fluidity in model lipid bilayers pptx

... (Merck) in petroleum ether : acetone (4 : 1, v/v). Isolation and purification of VDE VDE was isolated and purified from 7-day-old wheat leaves grown at 28 °C according to the method described by ... quantitatively determined. Analysis of de- epoxidation kinetics We have applied a new mathematical model [22] to analyse the kinetics of conversion of violaxanthin to zeaxanthin. The mode...

Ngày tải lên: 08/03/2014, 10:20

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