... under a linear gradient of NaCl from to m gave a pure tRNAArg transcript, which was precipitated by addition of ethanol Aminoacylation reaction The aminoacylation reaction of tRNA was measured at ... no means in a conformation that is fit to activate The fact that kcat and Km for tRNAArg in the aminoacylation reaction not change in the Asn106 fi Ala, Gln111 fi Ala and Phe109 fi Ala mutants of S ... form aminoacyl-tRNA In the aminoacylation reaction of class I aaRSs with aminoacyl-AMP, the 2¢-OH group of the ribose of A7 6 tRNA attacks the carbonyl carbon atom of the –Ca–(CO)–O– moiety of aminoacyl-AMP...
Ngày tải lên: 18/02/2014, 11:20
... towards a state of chemical equilibrium Typically, transport equations arise from a set of balance equations after due consideration have been given to the physical laws Examples of such equations are ... presence of an appropriate potential or thermal gradient By using the Perron-Frobenius equation as a balance equation to the nonlinear dynamics of an overdamped particle, a transport equation in ... provides a quantitative measure of the rate of exponential divergence of two trajectories of a dynamical system that are very close initially [15] A chaotic system must possess at least one positive...
Ngày tải lên: 16/09/2015, 17:11
Báo cáo khoa học: "A FLEXIBLE NATURAL LANGUAGE PARSER BASED ON A TWO-LEVEL REPRESENTATION OF SYNTAX" ppt
... knowledge plays a fundamental role in choosing a particular analysis Milne argues that a one- word lookahead, with the substantial help of semantic information is what is needed to provide a model of N.L ... transition networks which represent in an integrated way all syntactic constraints As stated in the introduction, the authors are developing a N.L interface to a relational data base The lexical ... subset of rules associated with that category is activated and the conditions are evaluated The conditions involve tests on the cur rent structure of the tree (i.e the "status" of the analysis) and...
Ngày tải lên: 18/03/2014, 02:20
Báo cáo khoa học: "A comparison of daily representations of canopy conductance based on two conditional timeaveraging methods and the dependence of daily conductance on environmental factors" ppsx
... when conductance calculations use mean daily conditions In this study, we have determined conditions in which a daily conductance based on mean daily meteorological conditions approaches that computed ... diurnal non-steady state canopy and stem characteristics and their effects on calculations of instantaneous and daily average conductance sure stem Leaf and canopy conductances have been demonstrated ... generalize diurnal patterns of conductance In this study we evaluate differences in conductance values calculated based on mean daily conditions versus those based on averages of diurnal values...
Ngày tải lên: 09/08/2014, 04:20
Consolidation Chareteristics based on a direct analytical solution of the Terzaghi Theory
... Inflection Sridharan, A and Prakash, K 1995 Discussion on Point Method Geotechnique, 47 (1): 199-200 ‘Limitations of Conventional Analysis of Consolidation Robinson, R.G 1999 Consolidation Analysis ... The actual theoretical one- dimensional consolidation relationship between average degree of consolidation U and the time factor T obtained from the Terzaghi theory may, depending on the range of ... on Results 2007 Diagnostic Curve Methods for Geomechanics, ASCE, (1): 75-79 of One- dimensional Consolidation Tests, Soils and Sivaram, B and Swamee, P.K 1977 A Computational Foundations, Japan,...
Ngày tải lên: 21/03/2013, 14:09
Reliability analysis of power system based on generalized stochastic petri nets
... Network TABLE III P OSSIBLE CONFIGURATIONS Configuration L1 L5 L6 0 0a 0 1b 0 1 0 1 1 1 a Working b I1 a0 a1 a2 0 0 I2 b0 3a1 a2 3a3 a5 a6 Current I3 I4 a0 c0 a1 a1 a2 a2 0 a3 0 a6 0 I5 d0 4a1 ... example of conditioned transition Dashed elements represent the extra place ps and the auxiliary arcs inserted for conditioning procedure Protection Breaker Fig Firing rate of timed transitions as a ... upstream places and add them to downstream places In short, a transition tk has concession if and only if (i) each input place contains a number of tokens greater or equal than a given threshold, and...
Ngày tải lên: 03/01/2014, 19:35
Báo cáo khoa học: A new clan of CBM families based on bioinformatics of starch-binding domains from families CBM20 and CBM21 potx
... 2.4.1.19 AAP31242 AAB65420 CAA55023 CAA48401 AAG31622 BAB91217 CAA33763 AAA22298 P31835 BAA14289 AAA22308 ALBSX1 AAA22310 AAA22309 CAA46901 BAA31539 AAA22239 CAA01436 Z34466 BAA02380 CAA41770 AAD00555 ... a- amylase amyCrysp a- amylase amyStrgr a- amylase amyStrlm a- amylase amyStrli1 a- amylase amyStrli2 a- amylase amyStrvi a- amylase amyThncu a- amylase amy_Aspaw a- amylase CBM20 (Purple of Fig.2) atrActsp ... emersonii Aspergillus awamori Aspergillus niger T21 Neurospora crassa AAB02927 AAT58037 BAA00331 AAB59296 AAB20818 BAA01254 L15383 BAA08436 CAA47945 AAA33386 AAF75523 AAE15056 AAR61398 BAD06004 AAP04499...
Ngày tải lên: 07/03/2014, 21:20
Báo cáo khoa học: "Automatic Acquisition of English Topic Signatures Based on a Second Language" potx
... People’s Daily, one of the most influential newspaper in mainland China It maintains a vast database of news stories, available to search by the public Among other reasons, we chose this website because ... disambiguation methods In Proceedings of the International Conference on Theoretical and Methodological Issues in Machine Translation, pages 101–112 Rada Mihalcea and Dan I Moldovan 1999 An automatic ... signatures from Japanese text In particular cases, where one only cares about translation ambiguity, this technique can work on any language pair Conclusion and Future Work We presented a novel...
Ngày tải lên: 08/03/2014, 04:22
Báo cáo khoa học: "Towards a Semantic Classification of Spanish Verbs Based on Subcategorisation Information" doc
... grammatical function of the constituents, we have to take into account that the extraction is an approximation There are various phenomena that can lead us to an erroneous extraction of the constituents ... Proceedings of the Seventh Conference on Natural Language Learning (CoNLL-2003), page , Edmonton/Canada Gloria V´ zquez, Ana Fern´ ndez, Irene Castell´ n, a a o and M Antonia Mart´ 2000 Clasificaci´ ... Introduction to Cluster Analysis Probability and Mathematical Statistics Jonh Wiley and Sons, Inc., New York Anna Korhonen 200 2a Semantically motivated subcategorization acquisition In Proceedings of...
Ngày tải lên: 08/03/2014, 04:22
Báo cáo khoa học: "Automatic Acquisition of Language Model based on Head-Dependent Relation between Words" pdf
... model based on a kind of simple dependency grammar The grammar consists of head-dependent relations between words and can be learned automatically from a raw corpus by the reestimation algorithm ... C Lai, and R L Mercer 1992 "ClassBased n-gram Models of Natural Language" Computational Linguistics, 18(4):467-480 C Chang and C Chen 1996 "Application Issues of SA-class Bigram Language Models" ... "Scalable Trigram Backoff Language Models" Technical Report CMU-CS-96-139, Carnegie Mellon University S Sneff 1992 "TINA: A natural language system for spoken language applications" Computational...
Ngày tải lên: 08/03/2014, 05:21
xps studies of active elements surface of gas sensors based on wo3nanoparticles
... absence of OH-groups (comp g) on the surface On the contrary the relative contribution of OHgroups and H2 O on the surface of WO2.9 and WO2.72 remains high after anneal and it is proportional to ... temperature equals for active element based on WO2.9 and 2.2 for active element based on WO2.72 Electrical resistance changes at that are completely reversible After a month the signal becomes two ... surface After anneal the maxima of peaks in region 531.1 eV correspond at most to single and double OHgroups (comp g), in region 532 eV the maxima of peaks belong to weakly adsorbed species and...
Ngày tải lên: 20/03/2014, 13:12
Classification of colorectal cancer based on correlation of clinical, morphological and molecular features doc
... individual adenoma would appear (on the basis of the relative frequency of adenoma versus carcinoma) to have a much higher risk of malignant transformation.6 The concept that lesions of similar appearance ... CRC was slow to develop Acceptance of such a notion had to supplant an attractive and elegant paradigm, in which APC inactivation and loss of DNA mismatch repair were envisaged to initiate and ... Kambara T, Simms LA, Whitehall VLJ et al BRAF mutation and CpG island methylation: an alternative pathway to colorectal cancer Gut 2004; 53; 1137–1144 45 Ikehara N, Semba S, Sakashita M, Aoyama...
Ngày tải lên: 22/03/2014, 17:20
Báo cáo khoa học: "Are These Documents Written from Different Perspectives? A Test of Different Perspectives Based On Statistical Distribution Divergence" ppt
... collection pair We vary the values of K and C, and find that K changes the absolute scale of KL divergence but does not change the rankings of four conditions Rankings among four conditions is consistent ... Annals of Mathematical Statistics, 22(1):79–86, March Peter Turney and Michael L Littman 2003 Measuring praise and criticism: Inference of semantic orientation from association ACM Transactions ... Proceedings of the 7th Conference on Natural Language Learning (CoNLL-2003) Kushal Dave, Steve Lawrence, and David M Pennock 2003 Mining the peanut gallery: Opinion extraction and semantic classification...
Ngày tải lên: 23/03/2014, 18:20
Báo cáo " Security of information processing based on grid environment " pdf
... Biham, A Shamir, A Differential Cryptanalysis of the Data Encryption Standard”, Springer, Berlin Heidelberg New York, 1993 E Biham, A Shamir, “Differential Cryptanalysis of Data Encryption Standard”, ... Encryption algorithm (IEC Information encryption component) The information has the following format as Table Table Information Code User-id Information Information has different fields separated ... information data base) as Table and return format code It creates an entry in the RUIDB (running user information data base) and inserts access time as Table3 Table SUIDB (Supervisor User Information...
Ngày tải lên: 28/03/2014, 10:20
Techno-Economic Analysis of Biofuels Production Based on Gasification docx
... data Power generation (Area 600) contains gas and steam turbines along with a heat recovery steam generator Area 700 contains the air separation unit (ASU) where oxygen is separated from air and ... Techno-Economic Analysis of Biofuels Production Based on Gasification Ryan M Swanson, Justinus A Satrio, and Robert C Brown Iowa State University Alexandru Platon ConocoPhillips Company David D Hsu National ... reactions, to occur The last stage includes water gas reaction, Boudouard reaction, water-gasshift reaction, and methanation reaction (Table 1) As all these stages progress, solid fixed carbon remains...
Ngày tải lên: 31/03/2014, 07:20
pocket atlas of human anatomy based on the international nomenclature - heinz feneis, wolfgang dauber
... the forearm and metacarpal bones A B C METACARPAL BONES I−V (metacarpalia) [I−V] A B 18 CARPAL BONES Ossa carpi (carpalia) The eight wrist bones A B C Base of metacarpal bone Basis metacarpalis ... scaphoid C Body (shaft) of metacarpal bone Corpus metacarpale A B 20 Head of metacarpal bone Caput metacarpale Distal articular end of a metacarpal bone A B 21 Third metacarpal bone Os metacarpale ... middle nasal concha and partially closes the semilunar hiatus A C 17 28 Middle nasal concha Concha nasalis media A CD 21 27 a Nasal foramina Foramina nasalia Inconstant opening for branches of the...
Ngày tải lên: 08/04/2014, 12:37
Báo cáo khoa học Epidemiology of EMS/AHPNS based on September 2012 cross sectional studies 2013
... January 2012 to the date of doing the questionnaire) Survey data • Questionnaire • Part 1: General respondent (farmer) information • Part General farm information* • Part General pond information* ... due to unavailable data and missing data • A lot of missing data – Indicate low quality of information i.e farmer forgot, no record, farmer not want to participate, e.t.c Conclusion and future ... management Conclusion and future study • no final conclusion on risk factors with the univariate analysis – Statistically significant by chance – Confounding bias • Can not doing on multivariate analysis...
Ngày tải lên: 13/05/2014, 15:29
báo cáo hóa học: " Do estimates of cost-utility based on the EQ-5D differ from those based on the mapping of utility scores?" pot
... conceived the idea for the paper, undertook the analysis and drafted the paper CJ, AA, MD, and KM assisted in the acquisition of data, interpretation of the analysis, and commented on drafts of ... preference -based algorithm? Health Qual Life Outcomes 2005, 3:11 Marra CA, Marion SA, Guh DP, Najafzadeh M, Wolfe F, Esdaile JM, Clarke AM, Gignac AH, Anis AH: Not all "quality-adjusted life years" are ... the analgesic costs across each of the four interventions, and was calculated using the same aforementioned AUC technique as was undertaken for QALYs The mean change in cost was thereby calculated...
Ngày tải lên: 18/06/2014, 19:20
báo cáo hóa học: " A new definition of burnout syndrome based on Farber''''s proposal" pptx
... information contained in each of the selected units was compared and a common conceptual denomination was assigned to the group of segments sharing the same clinical profile as a standard As a next ... of the organizational model of signification is noted and its form of production by means of a typology of elemental relations" These relations are: contradiction, contrariness and the ability ... complementary, which are based on simple operations of assertion and negation, and by means of which the relation of reciprocal presupposition maintained by the primitive terms of the same semantic category...
Ngày tải lên: 20/06/2014, 00:20
Báo cáo hóa học: "On the feasibility of a channel-dependent scheduling for the SC-FDMA in 3GPP-LTE (mobile environment) based on a prioritizedbifacet Hungarian method" doc
... n tasks to n possible candidates on a one- toone basis in an optimal way For this purpose, it has to be taken into account that there are exactly n! ways to assign n tasks to n candidates, and ... the optimal resource allotment by following a fairness fashion, which means that all users were always served under a one- to -one optimal allocation scheme From the analysis of the obtained results, ... specifications for a typical urban area Medina-Acosta and Delgado-Penín EURASIP Journal on Wireless Communications and Networking 2011, 2011:71 http://jwcn.eurasipjournals.com/content/2011/1/71 Page...
Ngày tải lên: 21/06/2014, 00:20