macromolecular crystallography, part d
... show the electron density of all the normal scatterers in the crystal; the Fourier transform of F n will show the density of all the electrons in the crystal In the MAD technique, neither of these ... MADLSQ32) The precision of the result depends on the properties of the normal matrix of the equations—on how well ‘‘conditioned’’ they are When the equations are solved for each reflection, the Fourier ... corresponding to the normally scattering atoms in the crystal, but omitting the anomalous scatterers), or the phase of F n (the phase of the structure factor if all the electrons in the crystal scattered...
Ngày tải lên: 11/04/2014, 09:49
... never edited; if they were unacceptable, either the seed alignment was improved or the method to generate the full alignment from the seed was changed Fig The procedure to construct the alignments ... and the start and end are the coordinates of the first and last residues of the sequence segment In the release flat file the Swissprot accession number is added to the end of each sequence line The ... are compared with the existing models and if they score above the cutoff they are automatically added to the full alignment Normally the seed alignment is not altered, except for the updating of...
Ngày tải lên: 16/03/2014, 16:20
... perhaps without compromising the structural integrity of the core domain On the other hand, when the modified residues are part of the hydrophobic core of the domain, the modification could cause ... confirm either scenario, the raw data are kept for the users to draw their own conclusions Peptides matching to proteins from other genes are shown at the bottom of the figure Some of these protein/genes ... used for their identification), whether the peptide is unique for a gene/protein, its position in the full-length protein, and whether there exist sequence variations with respect to the Ensembl...
Ngày tải lên: 14/08/2014, 07:21
frequency domain numerical modelling of visco acoustic waves based on finite difference and finite element discontinuous galerkin methods
... implement the free surface boundary condition The source is in the middle of the FD cell at km depth The receiver line is oriented in the Y direction Receivers are in the middle of the FD cell in the ... inside the element i In the framework of the nodal form of the DG method, φij denotes Lagrange polynomial and di is the number of nodes in the element i The position of the node j in the element ... near the source In the case of the P2 interpolation, a source close to the vertex of the triangular cell is problematic because the integral of the P2 basis function over the volume of the cell...
Ngày tải lên: 27/07/2014, 23:25
Tài liệu Báo cáo khóa học: Further insights into the assembly of the yeast cytochrome bc1 complex based on analysis of single and double deletion mutants lacking supernumerary subunits and cytochrome b pdf
... in the inner mitochondrial membrane or lack of detection of the truncated protein by the antibodies In the W303–1B q° strain the amounts of the other two catalytic subunits, cytochrome c1 and the ... single deletion mutants The values represent the percentages of the amounts of the individual subunits present in the yeast mutant strains with respect to the amounts present in the wild-type strain ... strain However, the amounts of core protein and core protein were relatively unaffected Therefore, the absence of subunit appeared to alter the rates of processing of two of the redox subunits...
Ngày tải lên: 19/02/2014, 12:20
Báo cáo khoa học: "Development of synthetic peptide ELISA based on nonstructural protein 2C of foot and mouth disease virus" doc
... dna suriv 0002/RKS/O eht htiw detcefni erew slamina eht ,ytivitcaerores fo noitarud dna noisrevnocores fo noitceted ylrae ot tcepser htiw yticificeps dna ytivitisnes rof yassa desab editpep C2...
Ngày tải lên: 07/08/2014, 18:21
Reliability analysis of a power system based on the multi state system theory
... ≤ G < 6000} The results show that when the required capacity of the power system is 22.8 Ah, the result gained by the multi-state system theory is larger than the result gained by the traditional ... is 23.4 Ah, the reliability of the system obtained by the traditional system reliability theory is only 0.25107, but the reliability of the system obtained by the multi-state system theory is 0.55963 ... and the corresponding probability is Figure The results obtained by the two methods VI with the traditional system reliability theory The results show that: CONCLUSIONS The multi-state system theory...
Ngày tải lên: 03/01/2014, 19:38
Tài liệu Creating Constraints, PrimaryKeys, Relationships Based on Multiple Columns pdf
... childCols); The arguments are: name The name of the foreign key constraint parentCol The column in the parent table childCol The column in the child table parentCols The array of columns in the parent ... The name of the unique constraint col The unique column in the table cols The array of unique data columns in the table isPrimaryKey Specifies whether the columns or columns represent the primary ... relating the two tables Constraints are only enforced if the EnforceConstraints property is true The Add( ) method of the ConstraintCollection of the DataTable, which is accessed using the Constraints...
Ngày tải lên: 21/01/2014, 11:20
Tài liệu Gait Pattern Classification of Healthy Elderly Men Based on Biomechanical Data ppt
... elderly healthy men, and if there was more than a single pattern in the elderly gait although neither the number nor the members of the family groups were known To answer these objectives, a cluster ... all the trials of the El cluster were paired according to the subjects, this was not always observed in the E2 group This reflects a variable pattern between the trials of the same individual The ... alone, these parameters can be misleading due to their interdependence This explains, in part, the conflicting results reported in the literature on the walking patterns of the elderly One of the...
Ngày tải lên: 14/02/2014, 07:20
Báo cáo khoa học: "Automatic Acquisition of English Topic Signatures Based on a Second Language" potx
... vectors by the cosine score: corr(v, w) = N i=1 vi wi N i=1 vi N i=1 wi where v and w are vectors and N is the dimension of the vector space The more overlap there is between the neighbours of the two ... strong component for one of the topics, then the sum of the vectors, the context vector, will also have a strong component for the topic Hence, the context vector indicates the strength of different ... tokens (or contexts) of the ambiguous word are assigned to the same sense cluster if the words they co-occur with themselves occur with similar words in a training corpus The number of sense clusters...
Ngày tải lên: 08/03/2014, 04:22
Báo cáo " MODEL OF CONDUCTIVITY FOR PEROVSKITES BASED ON THE SCALING PROPERTY OF GRAIN BOUNDARY " ppt
... (3) with the exponent n ≈ 2.5 and the ratio ρ1 /ρ0 ≈ 10−6 For T > Tc , the usual attitude was to suggest either the small polaron hoping or the bandgap conduction model Both rely on the exponential ... temperature-independent part of the boundary resistivity whereas the ρ1 to the temperature-dependent part The problem was not, however, the determination of n, D or D but their physical foundation The procedures ... moment there is no way to prove that D really corresponds to the true boundary resistivity For the purpose of the first approximation, we must adopt the asumption that the D, estimated by the procedure...
Ngày tải lên: 14/03/2014, 13:20
Báo cáo khoa học: "Dependency Parsing of Japanese Spoken Monologue Based on Clause Boundaries" docx
... except the final bunsetsu, depends on another bunsetsu in the same clause As an example, the dependency structure of the Japanese sentence: 先日総理府が発表いたしました世論調査によ りますと死刑を支持するという人が八十パーセ ント近くになっております The ... opinion poll that the Prime Minister’s Office announced the other day indicates that the ratio of people advocating capital punishment is nearly 80%) The labels include a few other constituents ... and then modified by hand Here, the specification of the partsof-speech is in accordance with that of the IPA parts-of-speech used in the ChaSen morphological analyzer (Matsumoto et al., 1999), the...
Ngày tải lên: 17/03/2014, 04:20
Báo cáo khoa học: A novel transmembrane topology of presenilin based on reconciling experimental and computational evidence pptx
... the PS sequences with five different predictors using the sfinx tool [32] Figure 1A shows the output for human PS1 The results for the other PS sequences were essentially the same (not shown) The ... protease [27] The topology of the PSL proteins has been predicted to be a nine-TM topology with the N-terminus in the extracytosolic space and the C-terminus in the cytosol [28,29] The aspartate ... have the classical threeto-four amino acid motif These retention signals prevent the export of unassembled subunits from the ER Once the complex is assembled, the retention signal is masked and the...
Ngày tải lên: 23/03/2014, 13:20
Báo cáo khoa học: "Framework of Semantic Role Assignment based on Extended Lexical Conceptual Structure: Comparison with VerbNet and FrameNet" ppt
... primitive predicates and their semantic functions ure represents the action changing the state of j The inner structure of the second argument of go represents the path of the change The overall definition ... regard to the verb “buy” in Figure The LCS structure consists of four formulae The first one is the main formula and the others are sub-formulae that represent co-occurring actions The semantic-rolelike ... solves the problem of multiple roles In the latter half, we discuss the analysis of the empirical data we collected for 60 Japanese verbs and also discuss theoretical relationships with the frameworks...
Ngày tải lên: 24/03/2014, 03:20
Báo cáo khoa học: "A PREFERENCE MECHANISM BASED ON MULTIPLE CRITERIA RESOLUTION" ppt
... to the number of p-rules, as well as the size of the training corpus More precisely, the larger the number of p-rules, the longer it takes for the algorithm to converge, o n the other hand, the ... for the score of the i-th p-rule, then the j-th object is assigned a score Sj given by the following expression: (1) Sj = Plalj + p2a~ + + p,a~ (j=I, N) \ \ applied to object j and N is the ... checking whether the signs of z~ (i=l, n+l) are all the same or not: in the first case the algorithm ends successfully; in the second case the set of z~ (i=l, n+l) is included in the corpus and...
Ngày tải lên: 01/04/2014, 00:20
SYNTHESIZE AND INVESTIGATE THE CATALYTIC ACTIVITY OF THREE-WAY CATALYSTS BASED ON MIXED METAL OXIDES FOR THE TREATMENT OF EXHAUST GASES FROM INTERNAL COMBUSTION ENGINE
... exhaust treatment The aims of this thesis will be then proposed The second chapter introduces basic principles of the physico-chemical methods used in the thesis, catalyst synthesis, aging processes ... the activity or the thermal resistant The catalytic activity of different single metallic oxides would be studied for the complete oxidation of Nguyen The Tien 35 Synthesize and investigate the ... examined The comparison of catalytic activity of the obtained mixed oxide catalysts with the noble catalysts under the same condition is also the purpose of the study Nguyen The Tien 36 Synthesize...
Ngày tải lên: 12/05/2014, 17:14
Báo cáo hóa học: "Assessment of skeletal muscle fatigue of road maintenance workers based on heart rate monitoring and myotonometry" docx
... gastrocnemius caput mediale The acceleration value of the first period of oscillations, calculated from the oscillation graph, characterizes the deformation of the tissue The data of the next oscillation ... according to the following formulae: Θ = ln a3 a5 (2) The frequency of the damped oscillations measured during the rest period characterizes the tissue tone The logarithmic decrement of the damped ... Distance the heavy load has to be moved is from to 20 meters or even more (depending on the pos- sibility for the truck to drive closer to the place the layer should be constructed) Therefore, the...
Ngày tải lên: 20/06/2014, 00:20
Báo cáo hóa học: " Anomalous heat transfer modes of nanofluids: a review based on statistical analysis" doc
... (36% of the sample) The variation around the 5-9% enhancement range was again small with the majority of the remaining observations in the 10-14% range (27% of the sample) The findings for the two ... diffusion theory (53.8% of the sample), followed by the second most statistically occurring, which is the Brownian motion theory alone (30.8% of the sample) Therefore, the majority of the researchers ... samples) The statistics indicate that a large percentage of researchers explain the heat transfer enhancement by the interfacial layer theory and the Brownian motion theory in combination with the thermophoretic...
Ngày tải lên: 21/06/2014, 03:20
Báo cáo hóa học: " Research Article Synthesis of an Optimal Wavelet Based on Auditory Perception Criterion" potx
... technique Then, the corresponding wavelet is derived using the cascade algorithm The support of the wavelet is decided by the temporal resolution of the human auditory system The synthesized optimal ... each of the CB channels for the corresponding filter bank implementation Further, the support length of the wavelet is determined by the temporal resolution of the human auditory system From the optimal ... [18], the desired wavelet is synthesized The support of the wavelet is selected in accordance with the temporal resolution of the human ear [19] This is done by choosing the support of the wavelet...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Research Article Design and Experimental Evaluation of a Vehicular Network Based on NEMO and MANET" pdf
... results of the UMTS link offer the worse results, due to the delay of the operator’s network and the bandwidth limited by the radio coverage and the available resources in the cell The 802.11b ... passes the SE corner at times 97s, 257s, 419s, and 537s At these times, the sender vehicle is at the next road (E in this case) and the receiver vehicle is at the previous one (S) On the other ... approaching the corners The results collected in the UDP tests are plotted in Figure 11 The several graphs show the results collected during four tests around the buildings The upper plot shows the number...
Ngày tải lên: 21/06/2014, 08:20