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380 results for “chain”
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Research ArticleOpen accessIn the abstractAnalytical Modeling of IEEE 802.11e Enhanced Distributed Channel Access under a Non-Saturation ConditionG. Prakash, P. ThangarajProblem statement: The IEEE 802.11e EDCA protocol with different access Categories (ACs) supporting for Quality-of-Service (QoS). Due to internal or external packet collision, the Contention Window (CW) of the station increases the channel idle time under high Bit Error Rate (BER). Approach: In this study, we propose an analytical model for performance evaluation of IEEE 802.11e EDCA scheme under non-saturation … …Journal of Computer Science, Vol. 7, Issue 4 · 4 Apr 2011 · 7,099 accessesView PDFCite
Research ArticleOpen accessIn the abstractLinking Success Factors to Financial PerformanceSivasamy Mothilal, Subramanian NachiappanProblem statement: Based on a literature survey, an attempt has been made in this study to develop a framework for identifying the success factors. In addition, a list of key success factors is presented. The emphasis is on success factors dealing with breadth of services, internationalization of operations, industry focus, customer focus, 3PL experience, relationship with 3PLs, investment in quality … …American Journal of Applied Sciences, Vol. 8, Issue 3 · 25 Mar 2011 · 7,327 accessesView PDFCite
Research ArticleOpen accessIn the abstractSome Effects of Abiotic Stress on Infection of Dyer’s Woad (Isatis tinctoria L.) by Puccinia thlaspeos C. Schub.: Implications for Biological ControlElizabeth Thomas, Bradley Ray KroppProblem statement: The rust pathogen, Puccinia thlaspeos, is being studied as a potential biocontrol agent for the noxious weed dyer’s woad. Although its disease etiology is well understood, very little has been learned about the effect of environmental stresses on infection. Approach: Dyer’s woad plants were exposed to different levels of oxidative stress, salinity stress, osmotic stress, dehydration, and cold … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 1 · 15 Dec 2010 · 8,719 accessesView PDFCite
Research ArticleOpen accessIn the abstractFormulation and Evaluation of a Novel Needle-Free Hepatitis B Surface Antigen Delivery SystemC. D. Licy, K. Premalatha, Annie Shirwaikar, Arun ShirwaikarProblem statement: Hepatitis B is a major public health problem, killing 1-2 million people annually, despite the introduction of an effective vaccine in 1982. Approximately 400 million persons worldwide have chronic hepatitis B. This is due to problems associated with vaccine delivery, stability and cost. Hence the present challenge in Vaccinology is to develop safer, cheaper and easy-to-deliver forms of … …Current Research in Medicine, Vol. 1, Issue 2 · 30 Oct 2010 · 6,821 accessesView PDFCite
Research ArticleOpen accessIn the abstractDNA Polymorphism of Bovine Pituitary-Specific Transcription Factor and Leptin Gene Between Iranian Bos indicus and Bos taurus CattleArash Javanmard, Nader Asadzadeh, Fatollah SarhadiProblem statement: Variations at DNA level contribute to the genetic characterization of livestock populations and this may help to identify possible hybridization events as well as past evolutionary trends. Approach: The leptin and Pit-1 are attractive candidate genes for production and reproduction traits in cattle. A total of 247 Animals from four breeds from two species of Iranian cattle populations … …American Journal of Agricultural and Biological Sciences, Vol. 5, Issue 3 · 30 Sep 2010 · 8,028 accessesView PDFCite
Research ArticleOpen accessIn the abstractEnzymatic Synthesis of Palm Alkyl Ester Using Dialkyl Carbonate as an Alkyl DonorsRoila Awang, Choo Yuen MayProblem statement: Though efficient in terms of reaction yield and time, the chemical approach to synthesizing alkyl ester has drawback such as difficulties in the recovery of glycerol and the need for removal of salt residue. On the other hand, biocatalyst allow for synthesis of specific alkyl esters and easy recovery of glycerol. However, the solvent-free alcoholysis, does not give … …American Journal of Applied Sciences, Vol. 7, Issue 8 · 31 Aug 2010 · 7,238 accessesView PDFCite
Research ArticleOpen accessIn the abstractToxicological Response of the Green Alga Chlorella vulgaris, to Some Heavy MetalsE. Afkar, H. Ababna, A. A. FathiProblems statement: The disturbance of aquatic ecosystems provoked by heavy metals pollution from industrial and domestic sources, has as consequence the loss of biological diversity, as well as increased bioaccumulation and magnification of toxicants in the food chain. The aim of this study was to evaluate the effect of some heavy metals on some physiological activities of Chlorella vulgaris beyerinck … …American Journal of Environmental Sciences, Vol. 6, Issue 3 · 30 Jun 2010 · 10,787 accessesView PDFCite
Research ArticleOpen accessIn the abstractFrom Subhiksha (Prosper) To Iksha (Perspire): The Topsy-Turvy Story of Indian Retail Business ModelH.M. Jha Bidyarthi, Ashish K. Srivastava, P.V. Bokad, Mayur A. DandeProblem statement: To examine the factors that led to inception, high growth and sudden closure of Indian business ventures in upcoming sectors in a short span of less than 10 years. Approach: An IITian and an IIM-A grad (India’s top notch academic institution) set up one of the largest Indian retail chain named Subhiksha Trading services Pvt. Ltd. in 1997 … …American Journal of Economics and Business Administration, Vol. 2, Issue 2 · 30 Jun 2010 · 7,581 accessesView PDFCite
Research ArticleOpen accessIn the abstractOdyssey in Calcutta: &#34A Mystery Unsolved&#34Ashutosh Kar, Sudip KunduProblem statement: Deccan Chronicle Holdings Limited (DCHL), the publishers of Deccan Chronicle in September 2005 approved the acquisition of south based retail chain Odyssey India Limited. Odyssey came with a Specialty Format, having introduced affluent product lines ranging from books to music, leisure, games and gifts. The success stories in all the 13 cities, mostly in the lush, sultry South, … …American Journal of Economics and Business Administration, Vol. 2, Issue 2 · 30 Jun 2010 · 7,412 accessesView PDFCite
Research ArticleOpen accessIn the abstractCreep predicting model in masonry structure utilizing dynamic neural networkMustafa M. Abed, A. El-Shafie, Siti Aminah Bt. OsmanProblem statement: When the loads are applied to a brickwork structure, visco-elastic behavior upon their stress-strain relationships is exhibited, where the response can be classified into two separate parts: an instantaneous elastic strains and time-dependent creep strains. The creep strain represents the non- instantaneous strain that happens with time when the stress is sustained. Through the previous century, along with … …Journal of Computer Science, Vol. 6, Issue 5 · 31 May 2010 · 7,631 accessesView PDFCite