... morphogenesis in other types of DA neurons in Drosophila As the dsRNAs were injected into early-stage embryos, which are still in the syncytial stage, the cell-autonomous function of these genes in either ... expression of the signaling protein Decapentaplegic (Dpp) in wing imaginal discs [23], raising the possibility that some group C genes regulate dendritic routing through a common molecular pathway Indeed, ... function in neurons, such as Elongin c Interestingly, the second subgroup included four genes of the same group of transcriptional regulators, the Polycomb group The downregulation of the genes...
Ngày tải lên: 14/08/2014, 16:21
... level of earnings regardless of the influence of the number of starts, an auxiliary model was used This auxiliary model was defined in order to obtain adjustment factors for earnings, as independent ... level of performance, and jumping ability DISCUSSION AND CONCLUSION This preliminary study identified some of the main factors influencing length of competitive life for jumping horses The length ... old and more, in steps of year (3P is the vector of estimates of the ’level of performance’ effects We wanted to take into account the voluntary culling of horses for reasons of lack of quality...
Ngày tải lên: 14/08/2014, 15:21
The Potential of Biofumigants as Alternatives to Methyl Bromide for the Control of Pest Infestation in Grain and Dry Food Products
... phosphine is a quick and effective tool for the control of stored-product insect pests In view of the scheduled phaseout of methyl bromide under the Montreal protocol, the role of phosphine in grain ... Indole alkaloid pathway, 26 Induced systemic resistance(ISR), 146 Induction of Defense Metabolism, 154 Industrial sector, 107–116 Inteins, 83 Intellectual Property Rights, 378 International Institute ... Biofumigants for the Control of Pest Infestation 397 Table 16.7 Toxicity of CH3 I against stored-product insects, in space fumigation and in 600-mL chambers filled with 70% wheat Specific gravity of CH3I –2.28...
Ngày tải lên: 25/10/2013, 05:20
Alternative Processing Technologies for the Control of Spoilage Bacteria in Fruit Juices and Beverages
... fruit and fruit juice involves care at all stages of production, including preharvest practices of planting, growing of fruit, harvesting, postharvest handling, washing, and cooling and storage PREVENTIVE ... 2001.6,7 CONTROL OF MICROBIAL CONTAMINATION Microbial contamination of fruit can occur at all stages of growth, harvesting, storage, and processing The surfaces of fresh fruits are often contaminated ... is among the main reasons for contamination in fruit juice Washing and brushing fruit before the juicing step is common in juice processing According to one industry survey, 98% of orchards surveyed...
Ngày tải lên: 25/10/2013, 21:20
Tài liệu Insight into Alternative Approaches for Control of Avian Influenza in Poultry, with Emphasis on Highly Pathogenic H5N1 doc
... tool to control AIV infections in valuable birds but not in commercial sectors Fears of kicking out our leading antiviral drugs in control of AIV are increased by adoption of amantadine (and ... protein that able to interfere with AIV replication by inhibiting viral polymerases in the nucleus and by binding viral components in the cytoplasm The role of the Mx gene in resistance against influenza ... selective inhibitor of the NA enzyme of influenza viruses [50] It is currently the drug of choice for the treatment of influenza virus infections in human and being stockpiled in many countries in anticipation...
Ngày tải lên: 21/02/2014, 01:20
Báo cáo khoa học: " THE DISTRIBUTION OF WORD LENGTH IN TECHNICAL RUSSIAN" pdf
... THE DISTRIBUTION OF WORD LENGTH IN TECHNICAL RUSSIAN k (LENGTH in LETTERS) Figure 39 40 ANTHONY G OETTINGER TABLE Word length Frequency Sample 1 10 11 12 13 14 15 16 ... "Prilozhenie Matrichnoj Bulevskoj Algebry k Analizu i Sintezu Relejno-Kontaktnyx Sxem," Doklady Akademii Nauk SSSR, 70, pp 421-23 K V Valdimirskij, 1951, "O Sinxronnom Fil'tre," Zhurnal Eksperimental'noj ... 37, 42, 45, 49, 55 (part); (b) pp 55 (part), 59, 64, 65, 71, 122 REFERENCE Oettinger, A G., "A Study for the Design of an Automatic Dictionary," Doctoral Thesis, Harvard University (1954) 537 351...
Ngày tải lên: 16/03/2014, 19:20
Báo cáo khoa học: Assessment of telomere length and factors that contribute to its stability potx
... average telomere length within a cell, of chromosomespecific telomere lengths in a suspension of cells, and of the length of individual telomeres For the measurement of IFI values of each telomere, ... the entire length of the telomere Inhibition of TRF2 binding or blocking of the binding sites has been reported to result in a senescent phenotype in a subset of cells and apoptosis in other cells ... cell types, its use in large-scale screening of samples is questionable Factors in uencing telomere length Telomeres Telomeres consist of tandem repeats (of a hexameric sequence in humans), which...
Ngày tải lên: 17/03/2014, 09:20
Insight and Control of Infectious Disease in Global Scenario Edited by Priti Kumar Roy potx
... [Interleukin (IL4), interleukin 10 (IL10), interleukin 12B (IL12B), interleukin 12 receptor beta (IL12RB1), interleukin 12 receptor beta (IL12RB2), interleukin 18 (IL18), wingless-type MMTV integration ... linked to reducing NF-κB activation and increasing risk of infection The first SNP changes of C to T replacing arginine (Arg; R) with tryptophan (Trp, W) at position 677, abolishing the binding ... higher 32 Insight and Control of Infectious Disease in Global Scenario 2.1 Types of vaccine There are basically three ways of making vaccines against infectious diseases, all rely on a level of knowledge...
Ngày tải lên: 30/03/2014, 22:20
Control of enzymatic browning in apple with ascorbic aci
... CINN inhibited browning for several hours but then induced severe browning over extended storage times (Table 4) The combination of CINN with AA in dips was more effective in inhibiting browning ... leakage of PPO and its substratesand thereby increasing the extent of browning Cinnamate and benzoate Preliminary (unreplicated) trials indicated that cinnamic acid inhibited enzymatic browning in ... 1989-JOURNAL OF FOOD SCIENCE-999 CONTROL OF ENZYMATIC BROWNING IN APPLE Table 5-Inhibition derivatives of enzymatic browning in Granny Smith juice by cyclodaxtrins (CD) and combinations of CD’ with...
Ngày tải lên: 18/05/2014, 20:10
cottey a., edmunds t., forster a. femocratic control of the military in postcommunist europe. guarding the guards. 2002
... intervene in domestic politics, as, for example, in parts of Latin America in the 1970s) as the primary problem in establishing democratic control of armed forces In practice, and certainly in ... position of primus inter pares to the President in controlling and guiding the defence sphere.40 The law, however, had a built -in ambiguity regarding the roles of President and Minister of Defence indicating ... over prerogatives in controlling defence created in effect a vacuum of control that reinforced military institutional autonomy The inter-ministerial Zabinski commission, set up in the early 1990s...
Ngày tải lên: 04/06/2014, 00:37
Báo cáo hóa học:PERIODIC SOLUTIONS OF ARBITRARY LENGTH IN A SIMPLE INTEGER ITERATION" doc
... factors, the number of distinct terms of a solution (yn ) can be made arbitrarily large depending on the initial conditions Proof Imitating the example of Figure 2.1, we choose initial conditions ... no hint of the startling complexity shown by scatter plots of some of the solutions See Figures 4.1–4.4, below Qualitative behavior of solutions Henceforth, all pairs (x, y) denote points in the ... (yn ) appearing as the second coordinate in each term of (Xn ) is the same sequence generated by (1.1) when x0 = ay0 − y1 A first glimpse of the rotational motion of solutions is obtained from...
Ngày tải lên: 22/06/2014, 22:20
Control of Robot Manipulators in Joint Space doc
... number of joints of a manipulator determines also its number of degrees of freedom (DOF ) Typically, a manipulator possesses DOF, among which determine the position of the end of the last link in ... coordinates in the workspace Then, following the socalled method of inverse kinematics one may obtain a time-parameterized trajectory for the joint coordinates The control design consists in solving ... knowledge of different disciplines Among these, electrical engineering, mechanical engineering, industrial engineering, computer science and applied mathematics Hence, robotics incorporates a variety of...
Ngày tải lên: 27/06/2014, 14:20
control of robot manipulators in joint space r kelly v santibanez and a loria ppt
... number of joints of a manipulator determines also its number of degrees of freedom (DOF ) Typically, a manipulator possesses DOF, among which determine the position of the end of the last link in ... engineering and more specifically, in the area of automatic control From this interaction emerges what we call robot control Loosely speaking (in this textbook), robot control consists in studying ... of inverse kinematics one may obtain a time-parameterized trajectory for the joint coordinates The control design consists in solving the control problem mentioned above The main interest of...
Ngày tải lên: 27/06/2014, 18:20
Báo cáo lâm nghiêp: "Thinning Forestry control of conifer plantations in Great Britain" docx
... the age of the type of thinning, the intensity of thinning, the thinning cycle, the and the age at which thinning should cease These choices will depend on a number of factors including the objectives ... 2.6 Timing of firvt thinnlng The decision on time of first thinning varies depending on the species, yield class, initial spacing of the stand, the thinning intensity, and whether thinning will ... constitute a thinning regime are discussed below If a first thinning, thinning yield 2.1 Thinning type Thinnings may be either selective or systematic The most common type of selective thinning in Great...
Ngày tải lên: 09/08/2014, 06:22
Control of Robot Manipulators in Joint Space - Part 1 pps
... number of joints of a manipulator determines also its number of degrees of freedom (DOF ) Typically, a manipulator possesses DOF, among which determine the position of the end of the last link in ... engineering and more specifically, in the area of automatic control From this interaction emerges what we call robot control Loosely speaking (in this textbook), robot control consists in studying ... of inverse kinematics one may obtain a time-parameterized trajectory for the joint coordinates The control design consists in solving the control problem mentioned above The main interest of...
Ngày tải lên: 09/08/2014, 07:20
Control of Robot Manipulators in Joint Space - Part 2 pdf
... an analysis of PD control for n-DOF robot manipulators The behavior of an n-DOF robot in closed-loop with PD control is determined by combining the model Equation (II.1) with the control law ... position controllers (set-point controllers) and in Part III we study motion controllers (tracking controllers) Consider the dynamic model of a robot manipulator with n DOF, rigid links, no friction ... reference-dependent In spite of the veracity of the statement above, in the literature on robot control one finds that the control laws (6.1) and (6.2) are indistinctly called “PD control The common argument in...
Ngày tải lên: 09/08/2014, 07:20
Control of Robot Manipulators in Joint Space - Part 3 docx
... that of nonlinear systems In particular, the tuning of the gains of such controllers is trivial since the resulting system is described by linear differential equation While computed-torque control ... computed-torque control Computed-torque control belongs to the so-called class of feedback linearizing controllers Roughly, the technique of feedback linearization in its simplest form consists in applying ... components of the joint velocities The consequence of this is that high order nonlinearities appear in the control law and therefore, in the case of model uncertainty, the control law introduces...
Ngày tải lên: 09/08/2014, 07:20
Control of Robot Manipulators in Joint Space - Part 4 potx
... of the origin of the closed-loop system, was first solved for one-degree -of- freedom robots (including a term that is quadratic in the velocities) in • Lor´ A., 1996, “Global tracking control of ... reported in The International Journal of Robotics Research, Vol 6, No 2, Summer 1987, pp 16–28 A key step in the study of this controller, and by the way, also in that of the succeeding controllers in ... assumed that uncertainty in the model of the manipulator consists only of the lack of knowledge of the numerical values of the elements of θ Hence, the structural form of the model of the manipulator...
Ngày tải lên: 09/08/2014, 07:20
Control of Robot Manipulators in Joint Space - Part 5 pptx
... − y z w , ♦♦♦ 410 C Proofs of Some Properties of the Dynamic Model Proof of Property 4.3.3 The proof of inequality (4.10) follows invoking Theorem A.3 Since the vector of gravitational torques ... globally positive definite q ♦ C Proofs of Some Properties of the Dynamic Model Proof of Property 4.1.3 The proof of the inequality (4.2) follows straightforward invoking Corollary A.1 This is possible ... which completes the proof ♦♦♦ As an application of Lemma A.5 we present below the proof of Lemma 2.2 used extensively in Parts II and III of this text ˙ Proof of Lemma 2.2 Since V (t, x, z, h) ≥...
Ngày tải lên: 09/08/2014, 07:20