a longitudinal study of internet bookstores

... Engineering failures (Williams, 2001) In certain classes of applications such as supply-chain management, financial services, and digital marketplaces, a system failure can propagate broad-based problems ... requirements and functionality (instability of requirements) Managing the change and evolution of a Web application is a major technical, organisational and management challenge — much more demanding than ... understanding of basic terms Let us start by defining the general terms: data, information, software, program and application Anything that can be stored electronically is either data or software Data2 are...

Ngày tải lên: 06/07/2014, 15:38

... disease severity in medial tibiofemoral osteoarthritis Arthritis and Rheumatism 1998, 41(7):1233-1240 Miyazaki T, Wada M, Kawahara H, Sato M, Baba H, Shimada S: Dynamic load at baseline can predict ... typically lack accurate joint information and thus lack accuracy for accurate movement analysis However, biomechanical and, in particular, clinical applications typically require knowledge of detailed ... Mündermann L, Corazza S, Mündermann A, Lin T, Chaudhari AM, Andriacchi TP: Gait retraining to reduce medial compartment load at the knee assessed using a markerless motion capture Transactions of...

Ngày tải lên: 19/06/2014, 10:20

... in part by National Natural Science Foundation of China 10671164 , Science and Research Fund of Hunan Provincial Education Department 0 6A0 70 References K Kwakernaak and R Sivan, Linear Optimal ... right-hand side of the inequality 3.2 Similarly, we can obtain the left-hand side of the inequality 3.2 14 λi Journal of Inequalities and Applications Note that when A AT /2 ≥ 0, λ i UT AU A i ... stabilizable, and the pair Q, A is observable In practice, it is hard to solve the ARE , and there is no general method unless the system matrices are special and there are some methods and algorithms...

Ngày tải lên: 22/06/2014, 02:20

... evaluation of a large number of patients participating in an RA registry at 11 VHA medical centers All patients had rheumatologist-confirmed RA and wellcharacterized measures of RA disease activity ... medical and pharmacy claims Among VARA enrollees, we used claims data to identify eligible individuals who initiated a biologic agent, defined as abatacept, adalimumab, etanercept, infliximab and ... follow-up at one year, VARA and administrative data were used to create a gold standard and claims-based effectiveness algorithm The gold standard outcome was low disease activity (LDA, disease activity...

Ngày tải lên: 25/10/2012, 10:45

... 31 Jose Maria Pereira de Godoy, Lina Maria O Azoubel, Maria de Fátima Guerreiro Godoy Surgical treatment of elephantiasis of the feet in congenital lymphedema to facilitate the use of a compression ... Development and evaluation of a new apparatus for lymph drainage: preliminary results Lymphology 2004 Jun; 37(2):62-4 Godoy JMP, Godoy MFG New apparatus for mechanical lymph drainage in association of ... knowledge of the venous and lymphatic anatomy and physiology Continuous guidance and evaluation of patients are required The authors recommend that each patient is assessed individually for each of...

Ngày tải lên: 26/10/2012, 09:39

... lamps displayed trends that appeared to tail off, which was not the case with the pulse lamps However, no clear difference was noted in the actual inactivation speed - 31 - Journal of Water and ... to an experiment UV Lamp Irradiation distance (L) Shutter Petri dish Magnetic spinbars Magnetic stirrer Fig Schematic diagram of the experimental apparatus Table Experimental condition (runs and ... lamp, and a pulse lamp (at 500J x pulses/second) A schematic diagram of the experimental apparatus is shown in Fig However, although not shown on Fig 1, the 1kW medium-pressure mercury lamp alone...

Ngày tải lên: 05/09/2013, 09:08

... and water quality analysis of the biogas plants were conducted BACKGROUND Study area Bangladesh lies in the northeastern part of South Asia, and has an area of 147,570 km2 It is one of the most ... populated countries of the world, with a population of about 129 million in 2001(Bangladesh Bureau of Statistics, 2002) Dhaka is the capital city of Bangladesh, and Bauniabad is one of the urban ... at the stage of planning and implementation of water and sanitation options Educational intervention on water and sanitation: 1995-1997 The educational intervention on water and sanitation was...

Ngày tải lên: 05/09/2013, 09:08

... seek to: - protect taxpayers against double taxation of the same income; - promote the flow of international trade and investment; - provide a framework of legal and fiscal certainty to investors; ... international tax treaty practice The UN Model Convention seeks to assist developing countries in drafting and negotiating bilateral tax treaties, with a view to maintaining the desired balance What ... Taxation Convention Models are generally used by countries as a Double Taxation Convention Models important? Why are basis for the negotiation of their bilateral treaties; thus they have a profound...

Ngày tải lên: 05/09/2013, 14:19

... application The IDE includes an Ant script, with standard targets for building and deploying your application Web Application with Existing Sources The IDE creates a standard web application from an ... includes an Ant script, with standard targets for building and deploying your application Web Application with Existing Ant Script This type creates a standard web application from an existing ... applications are also available for web applications For example, the Source Editor includes features such as code completion for the files that make up your web application For details, see Creating and...

Ngày tải lên: 03/10/2013, 03:20

... is faster and cheaper In addition, another researcher has managed to create a prototype with a data storage capacity that is 300 times more powerful than the average chip using a bacterium that ... base of a long-lasting exchange relation between the company and its customers (see Figure 1.2) This management philosophy was made popular by Jan Carlzon, as CEO of Scandinavian Airlines (SAS) ... planning and customer relationship management software In November 2003, Hewlett-Packard introduced a program offering a 3-month deferral on any large purchase, including hardware, software, and...

Ngày tải lên: 24/10/2013, 07:20

... 14 PART Law of Attraction Tips for an Amazing Career Page 26 PART Law of Attraction Tips for Amazing Relationships Page 32 PART 5 Law of Attraction Tips for an Amazing Body Page 39 PART A Few ... Please read the full disclaimer at the end of this report Table of Contents Introduction Page PART Law of Attraction Tips for Amazing Health Page PART Law of Attraction Tips for Amazing Money Page ... possession an e-book that contains exactly what you have been searching for and all you have to is read it, absorb it and apply it Enjoy Coach Carol PART Law of Attraction Tips for Amazing Health Do...

Ngày tải lên: 29/10/2013, 02:15

... heading in terms of your relationships, career, and spiritual evolution If you spend at least a half an hour each day looking back at the previous day and analyzing how you lived it, you’ll gain ... ENJOY DOING WHAT YOU LIKE One of the greatest advantages of solitude is freedom to what you desire You can read for as long as you want, watch that TV documentary about space without having to fight ... have to just sit there and contemplate? No, not at all! There are many activities you can engage in while you're alone 12 THE IMPORTANCE OF SOLITUDE FOR A BALANCED LIFE Here are some great activities...

Ngày tải lên: 21/01/2014, 18:20

... calculated as 82 It is unclear, but Fabiani et al (1996) and Fabiani et al (2000) appear to report the same participants Karwautz at al (2008) and Wagner et al (2008) report the same participants, ... disease, linked to more socially disadvantaged Parents’ knowledge of disease, GFD, and managing a menu Interviews of attitudes towards health generally, attitudes towards CD, barriers to adherence, ... bias? Use of valid and reliable paper and pencil measures a Sub-total Results Confounding variables controlled Generalisable results? Sub-total Total score Fabiani et al (1996) Fabiani et al (2000)...

Ngày tải lên: 12/02/2014, 12:20

... values increase from G1P over PhyK to AppA by a factor of  2200 The conformational changes of AppA upon substrate binding facilitate a faster turnover of phytate and are in line with a higher specificity ... site-directed mutagenesis kit (Stratagene, La Jolla, CA, USA) Plasmid pET-1TK was used as template and Kleb(HtoA)fw (5¢-GCTTAGCCGCGCCGGCATTCG) and Kleb(HtoA)rv (5¢-CGAATGCCGGCGCGGCTAAGC) as primers ... conserved active-site motifs, RHGXRXP and HD, and hydrolyze metal-free phytate with pH optima in the acidic range They consist of two domains, a large a ⁄ b domain and a small a domain with the catalytic...

Ngày tải lên: 16/02/2014, 09:20

... assessment of the sources of risk assurance available to the Board and the audit committee An evaluation of the level of assurance that has been obtained is also necessary Often, a major source of risk ... important that the organisation has a risk-based audit plan and undertakes appropriate risk reviews Other features of learning from experience include evaluation of audit reports and an assessment ... analysis Analysis of processes and operations within the organisation to identify critical components that are key to success G HAZOP and FMEA approaches Hazard and Operability studies and Failure...

Ngày tải lên: 21/02/2014, 12:20

... DME was formed via a surface reaction between an adsorbed methanol on an acidic site and an adsorbed methoxy anion on a basic site Bandiera and Naccacheproposed that Brønsted acid–Lewis base pair ... tar is produced and its similarity to coal gasification can be useful in designing an integrated process for gasification of coal and extra biomass to syngas Finally, Oak Ridge National Laboratory ... oxygen-blown tar-cracker at ~1300°C[37] Cracking of tars is preferred over use of a catalyst to eliminate tars because tars contain potential CO and H2[38] At temperatures above 1200 °C, tars are cracked...

Ngày tải lên: 26/02/2014, 14:20

... Claimant Count figures are available via the Office of National Statistics’ Labour Market Statistics; Early estimates for Working Age Inactive Benefit Client Groups, and Benefit Caseload National ... a withdrawal rate of 55 per cent would lead to an overall Marginal Deduction Rate of 69.4 per cent; a withdrawal rate of 70 per cent would lead to an overall Marginal Deduction Rate of 79.6 per ... will acknowledge all responses Please say whether you are responding as an individual, or on behalf of an organisation If on behalf of an organisation, please make clear who the organisation...

Ngày tải lên: 06/03/2014, 08:20

... Region (one each at Kpandai, Tatale, Kanga, Chereponi and Karaga); and 21 health centers were completed;  Phase two of the rehabilitation and upgrading of Bolgatanga Regional Hospital was completed; ... Strictly applying the provisions of the Financial Administration Act and the accompanying Regulations to avoid a further build-up of arrears 102 Madam Speaker, already, the government has taken measures ... programmes on a sustainable basis, a number of revenue enhancing measures and policies have been proposed for implementation 107 Madam Speaker, the rebasing of Ghana‟s National Accounts has further...

Ngày tải lên: 06/03/2014, 19:20

... the Air Force Alternatively, the Office of the Secretary of Defense, Program Analysis and Evaluation (PA&E) and the Interindustry Forecasting group at the University of Maryland have created a ... contracts in the DoD that are not performance-based without prior approval.2 Unfortunately, fundamental changes in practices rarely happen simply as a result of a policy change A number of case ... (OUSD(C)) maintains the Force and Financial Plan (F&FP) database to keep track of them The Air Force maintains a copy of the F&FP in its own system called the Automatic Budget Interactive Data Environment...

Ngày tải lên: 07/03/2014, 05:20

... school was unanimously agreed; and the number from that time has gradually increased From the last state of the charity, it appears that 46 boys are taught at each of the schools, making a total of ... years have been in a great measure dissipated by a narrow jealousy and want of unanimity amongst the manufacturers This discordance has created a baneful competition, for the favours of the East ... the habitation of 10 poor women being 60 years of age or upwards, of good character, and who had been inhabitants of the city at least 10 years Each of them in addition to their room are allowed...

Ngày tải lên: 08/03/2014, 00:20