control—key aspects of maintenance

... the characteristics of vertical or horizontal axis, number of blades, blade angle control, and regardless of the type of electrical generator chosen or the type of control of converters Accordingly, ... original work is properly cited 2 Modeling and Control Aspects of Wind Power Systems simulator consists of multiple RACKs, each of which consist of both communication and processor cards and are linked ... the convergence of different areas of knowledge and design aspects In this way, wireless communications appear as an interesting solution for offering many benefits such as low cost of development,...

Ngày tải lên: 07/03/2014, 11:20

... - C off )) + M U (C off + α (C on - C off )) d sa2 = K S (M S + M U ) + K U M S + C off (C on - C off ) + α (1 - α) (C on - C off ) d sa1 = K S (C on - C off ) + K U (C off + α (C on - C off ... = M S (1 - α) (C on - C off ) + M U α (C on - C off ) + C off (M S + M U ) h x1 = K S (M S + M U ) + C off (C on - C off ) + α (1 - α) (C on - C off ) h x0 = (C on - C off ) K S 30 Replacing s ... S  = & x      x   K &   S   MU − C off + α (C on - C off ) MS C off MU −1 C off MS − KU MU − (1 − α) (C on - C off ) + C off MU    x1         x     +   v...

Ngày tải lên: 07/03/2014, 11:20

... moments about the center of mass that cause pitching and rolling of the body The resultant force of all legs or center of pressure is not directed through the center of mass throughout the stride ... from the perspective of Hamiltonian mechanics, reviewed in the presentation of H3 in Section 4.2, a mechanism is a system of coupled oscillators, the period of each a function of its (conserved) ... plays in the development of this hypothesis, and explores some of its specific empirical concomitants through the illustrative example of the physical model, RHex On top of this physical layer,...

Ngày tải lên: 18/03/2014, 01:21

Ngày tải lên: 08/08/2014, 09:22

... regulation of cambial dynamics: 1) the properties of cambial cells, particularly the pattern of membrane transport, may change during the annual growth cycle of the tree; 2) the sensitivity of cambial ... renewal of endo-membranes during this period might be associated with a seasonal inactivation of auxin receptor and carrier proteins Later on, the breaking of rest may occur when the conditions of ... sites if it leaks out of the most alkaline cell compartments, but its possible receptors are unknown in the cambial zone Is the formation of tension wood, on the upper side of leaning dicot stems,...

Ngày tải lên: 09/08/2014, 02:21

Ngày tải lên: 17/09/2012, 09:13

... No preposition in 'Let's discuss it.' Prepositions after adjectives characteristic of independent of typical of We hope that the examples will help you find your way around in grammar books so ... relative clauses (They are essential to make the meaning of the sentence clear.) The woman who lives next door is very friendly I know a lot of people who live in Manchester The windows that were ... the basic message of the sentence.) Goethe, who died in 1832, was a famous writer Our car, which is quite old, is still reliable I'd like you to meet our secretaries, some of whom are bilingual...

Ngày tải lên: 05/10/2012, 09:58

... center of this model lies in the health territory, which is straddling the outer core of the zone of order and the inner edge of chaos (Fig 2, 3) The health territory is an active space of 165 ... edge of chaos A singularity of oscillation is an imaginary fixed point of the pendulum-like movements Embryonic stem cell renewals may serve as an example of such repetitious endless cycles of ... analogous to the movement of sperms prior to fertilization The systems’ evolutionary phase follows the completion of the initial state but prior to a stage of a of the zone of order and the fully-functioning...

Ngày tải lên: 26/10/2012, 10:04

... to the understanding of the underlying ideas of the author as well as the cultural features and social aspects of the time Like other types of story, a short story consists of five elements: - ... show that a literary work is the fruit of the ponderation of the writer for the understanding of different aspects of life For Ms Bynum, it was the ponderation of a teacher herself finding a way ... conscious of their cultural identity and practice the target culture more selectively I.3 Scope of the research Within the limitation of a minor thesis, I only discuss some of the most prominent aspects...

Ngày tải lên: 07/11/2012, 15:01

... outsourcing of documentation responsibilities to other firms often located offshore in areas of the world with lower labour costs has come to the forefront of the restructuring debate of the architectural ... interviewees, these problems emerged mainly as a result of: the unusual complexity of the project; deficient selection of local design offices; lack of precepts, tools and techniques for the design ... understanding of design management and of the skills that effective design managers should possess The currently poor understanding of the role of design managers within different contexts (e.g design office,...

Ngày tải lên: 15/11/2012, 10:27

Ngày tải lên: 30/01/2013, 01:14

... opening angle of 45º - velocity (v/vo) (a) and pressure (p/po) profiles Graph shows the layout of the velocity and pressure profiles along stretches immediately upstream and downstream of the valve ... opening angle of 20º - pressure distribution in a longitudinal section of a ball valve Figure shows the cavitation occurrence for a ball valve opening angle of 20º Immediately downstream of the valve ... the body of the valve (Figure 1b) As for membrane valve (Figure 1f), it works by pressing one side of the membrane through the actuator, restricting the passage of the flow This type of valve...

Ngày tải lên: 05/09/2013, 14:58

... vuv 40 Proportional gain of averaging control Integral gain of averaging control Proportional gain of current control Integral gain of current control Proportional gain of balancing control [A] ... E Proportional gain of averaging control Integral gain of averaging control Proportional gain of current control Integral gain of current control Proportional gain of balancing control K1 ... 1999, he was a Professor in the department of electrical engineering at Okayama University, Okayama, Japan From March to August of 1996, he was a Visiting Professor at the University of Wisconsin,...

Ngày tải lên: 15/10/2013, 16:24

... of 90 to 120 The velocity of propagation of MMC in the jejunum of normally fed sheep is 18 cm/min, which is similar to the value of 20 cm/min for the velocity of digesta flow in the jejunum of ... system of ruminants, leading to studies on the peculiarities of metabolism that cope with the unusual products of microbial digestion The reading list at the end of this chapter gives some of the ... metabolism of ruminants has adapted to the consequences of the production of VFA in the rumen in a number of ways (see Chapters 11 and 12) Acetate is absorbed into the ruminal venous drainage, some of...

Ngày tải lên: 24/10/2013, 17:15

... Proceedings of the Nutrition Society of Australia 14, 153 Faichney, G.J (1990) Effect of level of intake and grinding of lucerne hay on the efficiency of rumination in sheep Proceedings of the Nutrition ... is the number of units of particle phase (PP) that must be added to (or removed from) one unit of DG to obtain TD and RÃ is the number of units of FP that must be added to one unit of PP to obtain ... as much as 80–90% of the variation in digesta flow (Faichney, 1975b; MacRae, 1975) Measurement of Rate of Passage Measurement of the MRT of a digesta component in a segment of the GI tract requires...

Ngày tải lên: 24/10/2013, 17:15

... biodiversity are most threatened values  Amount of commercial shipping and number of trading partners affecting pathway strength  A limited number of IMP have been identified in APEC Management ...  Within APEC little is known on the introduction of marine pests  Little practical information on measures to prevent introductions  Lack of knowledge in what individual countries are doing ... Economies  Considerations for a Risk Management Framework  Conclusions, including the results of the November 2001 Workshop Management Framework - Introd uced Marine Pests Management capabilities...

Ngày tải lên: 28/10/2013, 11:15

... (2000) Estimating the extent of degradation of ruminant feeds from a description of their gas production profiles observed in vitro: comparison of models British Journal of Nutrition 83, 131–142 ... minimize the impact of such loss on the estimate of the extent of degradation As expected, large pore sizes lead to greater loss of particles and undegraded material Aperture size of the bag affects ... factor in estimating the extent of degradation (Dhanoa et al., 1999), providing estimates of the degradation rate of the soluble fraction are available Recovery of matter of non-feed origin in the...

Ngày tải lên: 29/10/2013, 00:15

... Rate of intake of legumes was higher than for grasses and the extent of size reduction of petioles and stems was correspondingly less (Wilman et al., 1996) The greater ease of breakdown of lucerne ... 173–195 Faichney, G.J (1990) Effect of level of intake and grinding of lucerne hay on the efficiency of rumination in sheep Proceedings of the Nutrition Society of Australia 15, 147 Faichney, G.J., ... (1990) Effect of rate of intake on ruminal rate of passage of small forage particles Canadian Journal of Animal Science 70, 243–250 Particle Dynamics 151 Grenet, E (1989) A comparison of the digestion...

Ngày tải lên: 29/10/2013, 00:15

... its group of target individuals What can be done? The current state of aVairs where the value of a health technology is judged only on the basis of some of its consequences, and the use of the technology ... times of solely natural creation of new human life are past, and new life can be created (or assisted), and the quality of a new human being inXuenced Consequences of fetal screening The aim of ... happen; Figure 12.1 lists some of them The knowledge of the existence of such screening may inXuence women’s and men’s images of their worthiness to have children because of their genetic makeup or...

Ngày tải lên: 01/11/2013, 08:20

... /v/ in of before consonants: Eg Full of children : /v/ in of disappears waste of money : /v/ in of disappears Disappearance of vowel • Disappearance of weak vowel after /p,t,k/: Eg Potato ... cluster of a word disappears if it is identical to initial cluster of the following Eg Next street : /st/ in /nekst/ disappears Disappearance of consonant • Disappearance of /v/ in of before ... • Types of elision Elision • Definition: elision is the leaving out / disappearance of sounds or sounds in rapid speech Types of elision • Disappearance of consonant • Disappearance of vowel...

Ngày tải lên: 06/11/2013, 00:15