Tài liệu Báo cáo khoa học: "The Structure and Process of Talking About Doing" pdf

... study of problem solving action and report: I) the collected of data on problem solving and talk about problem solving, 2) development of a process model of these behaviors, and 3) use of coding ... The Structure and Process of Talking About Doing James A. Levln and Edwin L. Hutchins Center for Human Information Processing University of Callfornia, Sa...

Ngày tải lên: 21/02/2014, 20:20

... Fragments of HSQC and HMBC spectra of compound 1. Labels illustrate assignment of the amide linkage between the amino group of Asp and the carboxyl group of GalA residue E. Scheme 1. The structures of ... out on Sephadex G-50 (2.5 · 95 cm) and Sephadex G -15 columns (1.6 · 80 cm) in pyridinium-acetate buffer, pH 4.5 (4 mL of pyridine and 10 mL of AcOH in 1 L of water...

Ngày tải lên: 19/02/2014, 16:20

... intense band of 61 kDa (NrfA) and a band of weak intensity of 19 kDa (NrfH), confirming its hetero-oligomeric nature (Fig. 1, lane 1). However, in the absence of boiling (Fig. 1A, lanes 2 and 4) ... and 4) high molecular mass bands of approximately 110 kDa and > 200 kDa were visible, as well as a faint band at 37 kDa, suggesting the presence of dimers. All of the bands...

Ngày tải lên: 21/02/2014, 00:20

... anion- exchange chromatography (HPAEC) of this f raction yield- ed oligosaccharides 1 (4 mg, 5% of the LPS) and 2 (10 mg , 12.5% of the LP S), and two stereoisomers of 1 and 2 in minor amounts that differed ... characteristic for furanoses, and from the vicinal proton coupling c onstants (Tables 1 and 2). NOE contacts between H-1 of DGlcpNA FandH-3ax,H-3eq, H-4 and H-5...

Ngày tải lên: 21/02/2014, 03:20

... Litman and Allen, 1984). RESEARCH GOALS There are many unanswered questions about the nature of dialogue structures, about the validity and usefulness of the concept of a dialogue structure, about ... knows about the task. The verbal interaction between the user and the adviser is not just one of execution of plans and recognition of plans but rather one of...

Ngày tải lên: 21/02/2014, 20:20

... a six-blade b-propeller containing five four-stranded sheets and one five-stranded sheet. Expression and purification of PhyH, PhyH-DI and PhyH-DII PhyH, PhyH-DI and PhyH-DII were each expressed in Escherichia ... are two pairs of cysteine residues, Cys142 and Cys193 in PhyH-DII and Cys445 and Cys495 in PhyH-DI. These residues are at the same positions as Cys157, Cys206, Cys450...

Ngày tải lên: 14/02/2014, 15:20

... expression of T-bet has been seen within a wide variety of tissues and cells in the Ginbuna crucian carp [27] and, in mammals, in the lung tissue of mouse and spleen and thymus of human and mouse ... the expression of these genes within humans and mice, of T-bet within Ginbuna crucian carp [27] and STAT6 in mandarin fish [28] have shown similar widespread expression. I...

Ngày tải lên: 16/02/2014, 09:20

... physiology and pathophysiology of the SREBP family Hitoshi Shimano Department of Internal Medicine (Endocrinoglogy and Metabolism), Graduate School of Comprehensive Human Sciences, University of Tsukuba, ... conditions of overnutrition, SREBP-1c expression is elevated, and consequently, the levels of nuclear SREBP-1c protein and lipogenesis are enhanced in the liver and...

Ngày tải lên: 18/02/2014, 13:20

... and the CFU counted. The per- centage of surviving CFU was calculated by the formula N ⁄ N control · 100, where N and N control were the numbers of CFU obtained after 3 h of incubation with and ... (2006) Secretion of serine peptidase by a clinical strain of Candida albicans: influence of growth conditions and cleavage of human serum proteins and extracellular matrix co...

Ngày tải lên: 18/02/2014, 17:20

... of redox regulation and ⁄ or protection against oxidative damage of chloroplastic A 4 -GAPDH. Results Inactivation of A 4 -GAPDH by GSSG and other oxidants, and protection by substrate and cofactors Incubation ... and cofactors might protect A 4 -GAPDH from glutathionylation and ⁄ or oxidation, the enzyme was incubated with GSSG or diamide in the presence of BPGA or NADPH....

Ngày tải lên: 19/02/2014, 05:20