Báo cáo khoa học: " The Signal System in Interlingua — A Factor in Mechanical Translation" potx

... researcher in mechanical translation as amounting to the elabo- Signal System in Interlingua 57 ration of a system whereby all the elements ap- pearing in the finished translation are unambigu- ... the signal systems of the departure language and the target language. In other words In a given pair of languages that are to be inter- related by the p...

Ngày tải lên: 16/03/2014, 19:20

... integrate the material in the comptemennzer Wltla the material in the core sentence as they are analy.zing the material in the core bentence or after that analysis IS completed. If they integrate ... contrast, a finer treatment of local syntactic constraints on boundary values preceding final constituents is within reach. From the data we have examined, it appears...

Ngày tải lên: 24/03/2014, 02:20

... participates in picolinic acid (PA), quinolinic acid (QA) and NAD homeostasis. Indeed, the enzyme stands at a branch point of the tryptophan to NAD pathway, and deter- mines the final fate of the amino acid, ... related by a dyad axis in the crystal, and a mixture of monomeric and dimeric forms in solution [18]. Therefore, the available structural data suggest that the...

Ngày tải lên: 18/02/2014, 06:20

... dominant polymorph a- chitin (antiparallel packing of the chitin chains); b-chitin (parallel packing of the chitin chains); and the minor polymorph c-chitin (mixture of parallel and antiparallel ... complemen- tary strategies to gain access to and degrade individual polymer chains. First, the chains are degraded by both endochitinases, that attack the chitin chain randomly, and exo...

Ngày tải lên: 18/02/2014, 08:20

... (for a fraction ‡ 90%), the apo-L8 5A is approximately 75% dimeric, whereas the apo-L27 6A and the apo-L8 5A ⁄ L8 5A mutants are in the mono- meric state. The association state of the holoenzymes can ... to weaken their interaction with the N-terminal a- helix. This can be imagined to be the main cause of subunit dissociation in apo-eSHMT. At the same time, the...

Ngày tải lên: 07/03/2014, 03:20

... Geneservices (Cambridge, UK) using the primers 5¢-GTCTTCGAA A CCATGGAGAATCAAGAGAAGGCGAGTATCGCGG G-3¢ and 5¢-GAGAG CTCGAGAACAGAACTTCAAGAC CGTGGCAGGAGC-3¢. The NcoI and Xho I sites used for further cloning are ... equation using nonlinear least-squares analysis incorporated into the origin software package (OriginLab Corp., Northampton, MA, USA), and the maximal cata- lytic centre act...

Ngày tải lên: 07/03/2014, 06:20

... release of the auto- inhibitory domain from the active site, thereby activa- ting the kinase. This is indicated by a remarkable increase in the proteolytic sensitivity of the N-terminus in the ... 1–77 (9128.3 ± 0.7 Da), as depicted in the inset of Fig. 4. These N-terminal fragments all confirmed the above- stated N-terminal acetylation and elimination of the first met...

Ngày tải lên: 07/03/2014, 09:20

... and B-chains In WT thrombin, the A- chain assumes an overall boomerang-like shape interacting with the B-chain sur- face opposite to the active site [17]. Stabilization within the A- chain and between ... perturbed intra- and interchain bonds. After 180 min denaturation with 6 m urea and 0.2 mm b-mercaptoethanol, the A- chain was released and the the native enzyme form disapp...

Ngày tải lên: 07/03/2014, 12:20

... not menadione, provokes a decrease in the ATP and an increase in the inosine levels in Saccharomyces cerevisiae An experimental and theoretical approach Hugo Osorio 1,2 , Elisabete Carvalho 1 , ... concom- itant appearance of inosine (Fig. 1A) . Incubation times longer than 30 min in the presence of H 2 O 2 did not greatly change the ratio SATP + ADP + AMP/Ino. Similar chang...

Ngày tải lên: 17/03/2014, 10:20

... of the schemas, providing constraints on what can be said at any point. These mechanisms have been implemented as part of a generation method within the context of a natural language database ... of system (such as a tutorial system, for example). The semantics are not particular, however, to the domain of the database. When transferring the system from one databa...

Ngày tải lên: 17/03/2014, 19:21