state of the art distributed systems

... this paper is to describe the state-of-the art with PSS The study described in this paper has taken the form of a rigorous literature review The methodology consisted of identifying relevant publication ... checking of references increased the list to 40, and it is the analysis of these articles (References 1 to 29 and bibliography 1 to 11) that forms the basis of the findings in this paper The analysis ... context An example of a publication that is clearly within the scope of this review is that of Mont [6] in which the author clarifies the concept of Product Service-Systems Similarly, articles that

Ngày tải lên: 21/05/2024, 14:01

... motion, the means by which the device is attached to the body, the convenience of use of the device, the effect of the additional weight of the device on the amount of effort expended by the wearer, ... devices use the energy from the relative motion between the foot and the ground during the stance phase (the phase in which the foot is on the ground) Others use the energy from the bending of the shoe ... according to the motions used to harvest the energy and their location on the body Review of the state of the art in energy-harvesting devices Center of mass Currently available center-of-mass devices

Ngày tải lên: 19/06/2014, 08:20

... Finland Full list of author information is available at the end of the article © 2011 Anjum et al; licensee Springer This is an Open Access article distributed under the terms of the Creative Commons ... reveals the fact that 90% of the time is consumed by the processes defined above The basic optimization of the core is thus done to pro-vide acceleration to 90% of the code Thus, depending on the ... handle the streaming data between the algorithms SODA satisfies the throughput requirements of the 2 Mbps W-CDMA protocol (and of the 24 Mbps of the 802.11a protocol) running at 400 MHz The area

Ngày tải lên: 21/06/2014, 03:20

... to the other party If the other party has the right key to the lock, then the party can open and read all the messages in the box The security of the sym-metric cipher depends on the key (the ... to the field of embedded security that differs from general IT security Outline The topics discussed in this contribution give a state-of-the-art overview of IT security in vehicles We ststate-of-the-art ... in-dividual properties The basic idea of the protocol is that one party challenges the second party, for example, by sending a random number The challenged party then has to answer with the correct response

Ngày tải lên: 22/06/2014, 19:20

... the audiological and the technical point of view The former focuses on items like the recruitment phenomenon, the speech intelligibility of hearing-impaired persons, or just on the question of ... discuss the state of the art, the challenges, and future trends for the different com-ponents A coarse overview is given below First, the acoustic signal is captured by up to three micro-phones The ... computationally of the directivity pattern is steered by a weighted sum of the output signals of a bidirectional and a cardioid pattern The position of the directivity notch is monotonically related to the

Ngày tải lên: 23/06/2014, 01:20

... composition and the size of the core which determines the quantum confinement, the emission peak can vary from UV to NIR wavelengths (400–1350 nm) In other words, the physical size of the band gap ... synthesis of the colloidal hydrophobic QDs is the controlled nucleation and growth of particles in a solution of organometallic/chalcogen precursors containing the metal and the anion sources The method ... value (compared to other thiol ligands, e.g pH 11.2 in the case of MSA (Kanwal et al 2010)), which inhibited the growth of the nanocrystals With the decrease of pH value, the growth rate slows

Ngày tải lên: 26/06/2014, 23:20

... and measured results of the electromagnetic effects of the helicopter body.13 Accurate characterization of the antenna performance requires an exact replica of the vehicle McCartney also presented ... great deal of attention over the years, with these critical system aspects often becoming the key drivers in overall system performance For example, McCartney described the performance of a helicopter-mounted ... product The talk included a number of photos as well as interesting and often humorous anecdotes about the development team, the other technology innovations that went into the aircraft, and of course

Ngày tải lên: 29/06/2014, 14:20

... about the effect of key factors on forecasting performance of ANNs This paper presents a state-of-the-art survey of ANN applications in forecasting Our purpose is to provide (1) a synthesis of published ... a partial or Hertz et al (1991); Smith (1993) Rumelhart et al functions of the inputs Rather they are stable states article Masson and Wang (1990) give a detailed in forecasting because of their ... equal to the dimension of input vectors For inputs are typically the past observations of the data independent variables associated with the problem.series and the output is the future value The ANN

Ngày tải lên: 30/07/2014, 09:21

... that the age ofthe uterus does not influence the probability of the initiation of pregnancythat led to the conclusion that the age-related decline in human fertilitywas primarily due to the age of ... inseminated with the recipientpartner’s sperm Uterine lavage was performed on the fifth day after theluteinizing hormone (LH) peak The recovered embryo was then transferred to the uterus of the infertile ... Hospital, Keck School of Medicine,University of Southern California, Los Angeles, California, U.S.A INTRODUCTION Oocyte donation is now an integral part of the armamentarium of the tility specialist

Ngày tải lên: 05/08/2014, 16:20

... framework of the phenomenon and advance preliminary ideas on the causes that contribute to the development of this type of fracture This article summarises the current state of knowledge, discusses the ... cover of more than 2 million hectares [12] Until the mid-20th century, chestnut was of fundamental importance to the economy and to the subsistence of rural populations Then, with the decline of the ... felling results from the releasing of growth stresses in the stem when the stem is crosscut At all events, new ring shake may occur after the cutting of the tree either as a result of the logs being

Ngày tải lên: 08/08/2014, 14:20

... Purification in the ICU: State of the Art A/Prof Rinaldo Bellomo Austin & Repatriation Medical Centre Melbourne Australia Trang 2Similarities between sepsis and renal failure• The mediators of “toxemia” ... Use Hemofiltration? Trang 3The Mediators of Sepsis (the Humoral Theory of Sepsis)• Others: VIP, vasopressin, endorphin, myocardial depressant factors (MW<5,000), Phospholipase Trang 4The CRRT ... Crit Care Med 2002; 30: 1250-1255 Trang 43• There is a biologic rationale for CPFA • There is ex-vivo evidence of adsorption • There is animal evidence of increased survival • A Phase I trial shows

Ngày tải lên: 12/08/2014, 20:50

... result of the salt transport defect, promotes retention of bacteria in the mucus of the airways of patients with CF and allows them to multiply there The relationship between mutant CFTR and these ... and affects the func-tion of many other channels in the epithelium [8] Nota-ble among them is the amiloride-sensitive epithelial sodium channel (ENaC), which accounts for the bulk of salt and ... AccessReview State of the Art: Why do the lungs of patients with cystic fibrosis become infected and why can't they clear the infection? James F Chmiel and Pamela B Davis* Address: Department of Pediatrics,

Ngày tải lên: 13/08/2014, 13:20

... spalls off The behavior of HSC columns beyond this point depends on the relative areas of the column and the core and on the amount of transverse reinforcement provid-ed Following spalling of the ... more uniform distribution of the confining pressure, thereby improving the effectiveness of the confining rein-forcement In the case of NSC,30,33 the arrangement of the transverse reinforcement ... only, the depth of the neutral axis at ultimate conditions is generally small and the shape of the compression block becomes less important However, in the case of columns, the depth of the neutral

Ngày tải lên: 24/10/2014, 17:26

... are de-sired by the Architect/Engineer to be a part of the contract documents, they shall be restated in mandatory language for incorporation by the Architect/Engineer State-of-the-Art Report on ... exerted on the concrete Where the reactive ingredients are present in the fresh con-crete the reaction begins at the contact surface of the cement paste and the aggregate particle Often the earliest ... replacement of the cement has been documented (Thomas, 1995) The effects of a pozzolan or slag will depend on the partic-ular pozzolan or slag, the reactivity of the aggregate, and the alkali content of

Ngày tải lên: 24/10/2014, 17:40

... inclusion in the soil-cement mixture If, onthe other hand, the bituminous surface retains most ofits original flexibility, it is normally removed ratherthan incorporated into the mixture ce-The thickness ... undermining of the soil cement, the first layer or two is often placed up to 8 ft below the existing dry river bottom, and the ends extend approx-imately 50 ft into the embankment The exposed ... re-claim conveyor at the bottom of the trough The trough sidewalls must be at a steep and smooth enough slope to allow the stored coal to remain in a constant state of gravity flow The Sarpy Creek

Ngày tải lên: 24/10/2014, 17:44

... example of the least dimension being controlled bythe radius of curvature of the crack As explained in Chapter 2 of ACI 446.1R, one of the mental assumptions of LEFM is that the size of the FPZ ... Zones of damage tend to localize to a size scale that is of the order of the size of the aggregate Trang 3Therefore, for concrete to be modeled as a continuum, ac-count must be taken of the size of ... called the fracture process zone(FPZ), exists at the tip of a discrete crack, in which the twosides of the crack may apply tractions to each other These in-Fig 1.1—The first finite element model of

Ngày tải lên: 24/10/2014, 21:58

... x/L The model was solved for the case where the threshold concentration C t of chloride ions was 0.4%(based on the mass of the cement), the concentration of chlo- ride ions at the surface of the ... considered The length of the initiation peri- ini-od is largely controlled by the rate of diffusion of thechloride ions in the concrete and by the threshold concentra-tion for the process The one-dimensional ... end of an initiation period of no corro-sion The corrosion process is initiated by the diffusion ofchloride ions to the depth of the reinforcing steel or by car-bonation reducing the pH of the

Ngày tải lên: 24/10/2014, 22:00

... the tensile face of the concrete (instead of the stress in the steel), and the cover to the center of the steel d c Both the stress in the steel and the clear concrete cover are found to be the ... prestressing in the web of the member results in a lower angle of inclination of the diagonal cracks The lower angle of inclination of the cracks leads to the mobilization of a larger number of stir-rups ... determined These include the prestressing force, the moment of inertia of the section, and the equivalent modulus of elasticity of the concrete The expression for the effective moment of inertia

Ngày tải lên: 24/10/2014, 22:01

... the roof was not supported vertically by the exterior walls and the connection of the exterior walls (for horizontal loads) was made when the edges of the roof were in a low position due to the ... heating to be of the order of 0.75 inches at midspan of the double-tee beams The deflection due to solar heating caused rotations at the ends of the double-tee beams and many of the double-tee ... between the wall panels, particularly at the corners of the building, to crack and disintegrate near their bottoms with the passage of time. Reconstructing the destroyed concrete does not solve the

Ngày tải lên: 24/10/2014, 22:01

... properties in the hardenedstate The tendency of a SFRC mixture to produce balling offibers in the freshly mixed state has been found to be afunction of the maximum size and the overall gradation ofthe ... ofthe aggregate used in the mixture, the aspect ratio of thefibers, the volume fraction, the fiber shape, and the meth- od of introducing the fibers into the mixture The largerthe maximum size aggregate ... num-ber of factors The most important factors appear to be the aspect ratio of the fibers, the volume percentage of fibers, the maximum size and gradation of the aggregates, and the method of adding

Ngày tải lên: 24/10/2014, 22:12