... 5¢-UTR and 3¢-UTR of CfNR allow control of both the timing and level of expression of introduced genes in transgenic C fusiformis Results Increasing the efficiency of C fusiformis transformation Previously, ... the addition of both nitrate and appropriate concentrations of ammonium allows, within limits, the control of the amount of induced protein The observed lag phase of h for Pnr ⁄ Tnr-controlled ... girdle band formation which are completed in less than h In future, analysis of cell division or valve formation in C fusiformis transformants carrying a gene of interest under control of the Pnr...
Ngày tải lên: 07/03/2014, 21:20
... higher SOD1 concentrations is that the binding site of the gold For the molecular size- selective detection of a protein formulation, a mixture of solutions of native SOD1 (100 μg/ml) and its aggregates ... Schematic view of a heteroliganded gold nanoisland for the sensitive and molecular size- selective detection of a protein The enlarged schematic diagram shows the surface morphology of a heteroliganded ... of heteroliganded gold nanoisland-based sensing platform We examined the feasibility of a chip-based gold nanoisland sensor prepared for the sensitive and molecular size- selective detection of...
Ngày tải lên: 21/06/2014, 04:20
Báo cáo y học: "Foundation for the Community Control of Hereditary Diseases, Budapest, Hungary"
... birth In Hungary 25.2% of congenital abnormalities were prevented by these methods Previously the selective abortion, i.e termination of pregnancy after the prenatal diagnosis of severe fetal defects ... a single pathological entity and therefore there is no single strategy for their prevention Conflict of interest The author has declared that no conflict of interest exists References Czeizel ... has resulted in a complete recovery in some types of congenital cardiovascular malformations (e.g ventricular and atrial septal defects, rest of patent ductus arteriosus, etc), congenital pyloric...
Ngày tải lên: 02/11/2012, 11:12
Dynamic Vision for Perception and Control of Motion ppt
... exchange for the need of fast viewing direction control and at the expense of delay times required to perform these gaze changes Figure 1.5 gives an impression of the fields of view of this trifocal ... sketch of the type of road scene represented by the full scene tree of Figure 2.7 Gaze platform Movable part of gaze control Camera coordinate system platform in pan & tilt xp Exploded view of location ... Behavioral Capabilities for Locomotion 72 3.4.1 The General Model: Control Degrees of Freedom 73 3.4.2 Control Variables for Ground Vehicles 75 3.4.3 Basic Modes of Control Defining Skills...
Ngày tải lên: 05/03/2014, 15:20
Hepatitis and Liver Cancer: A National Strategy for Prevention and Control of Hepatitis B and C ppt
... assistance of Jeffrey Efird and Daniel Riedford, of the Centers for Disease Control and Prevention We appreciate the assistance of Ronald Valdiserri, of the Department of Veterans Affairs, for providing ... management of the committee logistics This report was made possible by the support of the Division of Viral Hepatitis and Division of Cancer Prevention and Control of the Centers for Disease Control ... So, Lui Hac Minh Professor, Asian Liver Center, Stanford University School of Medicine, Stanford, California David L Thomas, Chief, Division of Infectious Diseases, Department of Medicine, Johns...
Ngày tải lên: 06/03/2014, 01:20
Hepatitis and Liver Cancer: A National Strategy for Prevention and Control of Hepatitis B and C doc
... management of the committee logistics This report was made possible by the support of the Division of Viral Hepatitis and Division of Cancer Prevention and Control of the Centers for Disease Control ... So, Lui Hac Minh Professor, Asian Liver Center, Stanford University School of Medicine, Stanford, California David L Thomas, Chief, Division of Infectious Diseases, Department of Medicine, Johns ... of Jeffrey Efird and Daniel Riedford, of the Centers for Disease Control and ix Copyright © National Academy of Sciences All rights reserved Hepatitis and Liver Cancer: A National Strategy for...
Ngày tải lên: 06/03/2014, 01:20
semiconducting metal oxide sensor array for the selective detection of combustion gases
... N00014-01-C-0132 from the Of ce of Naval Research, USA The authors thank the Laboratory for Surface Science and Technology (LASST) of the University of Maine for the preparation of the WO3 sol–gel powder ... 1999 from the Institute of Electronics of the National Academy of Sciences of Belarus In 1981–2000 he worked at the Physical Technical Institute of the Academy of Sciences of Belarus, Minsk, first ... dc voltage controlled by feedback circuitry described in detail elsewhere [10] The custom LabVIEW-based software was used for the on-line control of the test setup and measurement of sensors’...
Ngày tải lên: 20/03/2014, 13:07
Hepatitis and Liver Cancer: A National Strategy for Prevention and Control of Hepatitis B and C pdf
... Professor, Asian Liver Center, Stanford University School of Medicine, Stanford, California David L Thomas Chief, Division of Infectious Diseases, Department of Medicine, Johns Hopkins School of ... Brandeau Professor, Department of Management Science and Engineering, Stanford University, Stanford, California Daniel R Church Epidemiologist and Adult Viral Hepatitis Coordinator, Bureau of Infectious ... preventable diseases f The Centers for Disease Control and Prevention The Department of Health and Human Services Office of Minority Health The Department of Veterans Affairs The National Viral...
Ngày tải lên: 22/03/2014, 17:20
Báo cáo " A combination of the identification algorithm and the modal superposition method for feedback active control of incomplete measured systems " doc
... proposed, such as LQR/LQG control [2,3], H2/H∞ control [4,5], sliding mode control [6], saturation control [7], reliability-based control [8], fuzzy control [9], neural control [10] In fact, it ... a p×n measurement matrix The control force vector u(t) is selected as a function of the measurement vector y(t) The control problem is to find the active control force u(t) necessary to reduce ... 2-dimensional vector The histories of components of E(t) are plotted in Fig and for each case of the location of sensor a) b) c) Fig The history of the 1st component of error term E(t), sensor locates at...
Ngày tải lên: 28/03/2014, 13:20
Báo cáo " A combination of the identification algorithm and the modal superposition method for feedback active control of incomplete measured systems" doc
... proposed, such as LQR/LQG control [2,3], H2/H∞ control [4,5], sliding mode control [6], saturation control [7], reliability-based control [8], fuzzy control [9], neural control [10] In fact, it ... a p×n measurement matrix The control force vector u(t) is selected as a function of the measurement vector y(t) The control problem is to find the active control force u(t) necessary to reduce ... 2-dimensional vector The histories of components of E(t) are plotted in Fig and for each case of the location of sensor a) b) c) Fig The history of the 1st component of error term E(t), sensor locates at...
Ngày tải lên: 28/03/2014, 13:20
báo cáo hóa học: " Vision based interface system for hands free control of an intelligent wheelchair" ppt
... prototype of our IW The prototype of our IW Our system is described in Figure and specification of the components is illustrated in Table Overview of Vision-based Control System The proposed control ... Usability study of a control framework for an Intelligent Wheelchair International Conference on Robotics and Automation Barcelona 2005 Lankenau A, Rofer T: Smart Wheelchairs state of the art in ... Control system for Intelligent Wheelchair IEEE engineering in Medicine & Biology society Proceedings of 27th 1999:14-31 Pei JIA, Huosheng Hu: Head gesture recognition for hands-free control of...
Ngày tải lên: 19/06/2014, 08:20
Báo cáo toán học: "A Bound for Size Ramsey Numbers of Multi-partite Graphs" pot
... bound for the number of subgraphs isomorphic to Km (n) in a graph of given size The following counting lemma generalizes a result of Erd˝s and Rousseau [3] o and we made a minor improvement for ... electronic journal of combinatorics 14 (2007), #N11 • every vertex of V (F ) belongs to Wk ; • at least one vertex of V (F ) belongs to Xk Let Mk be the number of type k copies of F in G Then M ... of copies of F Notice that in a type k copy of F at least one vertex, say x, belongs to Xk and every vertex belongs to Wk Thus all F −neighbors of x belong to an (m − 1)n-element subset Y of...
Ngày tải lên: 07/08/2014, 13:21
Báo cáo khoa học: "Within crown variation in hydraulic architecture in beech (Fagus sylvatica L): evidence for a stomatal control of xylem embolism" docx
... in the crown of three beech trees (n = for LSC) Stars indicate where branches used for vulnerability curves were cut Stomatal control of embolism in Fagus 23 Figure Percent loss of hydraulic ... as a function of the xylem water potential in one-year-old twigs of Fagus sylvatica harvested on sun-exposed branches of the top of the canopy, or in shaded branches from the base of the crown ... end of the cavitation range In our case, gs was decreased before Ψ reached Ψcav (figure 4) The direct response of stomata to changes of humidity (VPD, Ψ) is well documented [11, 21] Such a control...
Ngày tải lên: 08/08/2014, 14:20
Dynamic Vision for Perception and Control of Motion - Ernst D. Dickmanns Part 3 docx
... potential field of view Figure 3.5 Two-axes gaze control for a given body orientation Depending on platform with large stereo base of ~ the missions to be performed, the size of 30 cm for VaMoRs Angular ... requirements for gaze control from these specialists for certain object classes Therefore, there has to be an expert for the optimization of viewing behavior taking the information gain for mission performance ... proven sufficient for the same size of imaging chips in all cameras Once gaze control is given, the modes of operation available are characteristic of the system Being able to perform very fast...
Ngày tải lên: 10/08/2014, 02:20
Dynamic Vision for Perception and Control of Motion - Ernst D. Dickmanns Part 4 ppt
... underlying step 3.4.3.1 Feed-forward Control: Maneuvers There are classes of situations for which the same (or similar) kinds of control laws are useful; some parameters in these control laws may be adaptable ... convoy controller methods driving gyro readings at each time, and Controller for Distance for taking the final boundary brake pressure controller values of the predicted maneuver as base for maneuver ... that all control time histories for standard maneuvers and all feedback laws for regulation of desired states have to be decided in detail This is the usual task of controller design and of proper...
Ngày tải lên: 10/08/2014, 02:20
Dynamic Vision for Perception and Control of Motion - Ernst D. Dickmanns Part 5 potx
... of the boundary elements; depending on the size of the regions, this may be Uniformly white orders of magnitude less data for the same amount of information This is the reason that sketches of ... the mission element being performed This is, of course, different for simple roadrunning, for preparing lane changes, or for performing a turnoff maneuver Turning off to the left on roads with ... a maximum mask size of onehalf or one-third of the image size seems to be a meaningful upper limit Spacing mask sizes by a factor of then results in seven or eight mask sizes for 1K×1K pixel...
Ngày tải lên: 10/08/2014, 02:20
Dynamic Vision for Perception and Control of Motion - Ernst D. Dickmanns Part 6 ppt
... Cells of different sizes may be used to generate multiple scale images of reduced size and resolution for efficient search of features on a larger scale When working with video fields, cells of size ... looked for anyway, this is of no concern Values in these half-stripes of stripe are stored for reuse in stripe Center points of mel regions Center points of mel regions Edge direction Number of Image ... as a Function of the Overall “Gestalt” An additional degree of freedom available to the designer of a vision system is the focal length of the camera for scaling the image size of an object to...
Ngày tải lên: 10/08/2014, 02:20
Dynamic Vision for Perception and Control of Motion - Ernst D. Dickmanns Part 7 pptx
... of size four pixels (total mask = 16 pixels) Recall that masks are shifted by steps of in search direction and by steps of mel -size in stripe direction About 105 masks result for evaluation of ... 5.3.2.4), a host of information is now available for analyzing the distribution of image intensities to adjust parameters for image processing to lighting conditions [Hofmann 2004] For each image ... is close to 1; for circles it is /4, for a triangle it is 0.5, and for an oblique wide line it tends toward The 2-D position of the blob is given by the coordinates of its center of gravity ucg...
Ngày tải lên: 10/08/2014, 02:20
Dynamic Vision for Perception and Control of Motion - Ernst D. Dickmanns Part 8 ppt
... 0.0133·V s-1 For a speed of 10 m/s (36 km/h), the eigenvalue of the dynamic tire mode is 1/T = 7.5 s-1 (= 0.3 times video rate of 25 Hz); this can hardly be neglected for the design of a good controller ... transformation into triangular form via the Householder transformation is done; then recursive elimination is performed Especially in the stabilized form (Equation 6.18, called the “Joseph”-form), ... numerically, for example, very good measurements (eigenvalues of R small compared to those of P*), amplified, for example, by large eigenvalues of P0; large differences in the observability of single...
Ngày tải lên: 10/08/2014, 02:20