flow and error control techniques in computer networks pdf
Congestion and Error Control in Overlay Networks
... delivered data is in order, without error and without any segment lost or duplicated. Reliability in TCP is obtained by using error control mechanisms, which may include techniques for detecting corrupted, ... orduplicated segments. Error control in TCP is achieved by using a version of the Automatic RepeatreQuest (ARQ) error control protocols operating at DLL and it involves both error detection and retransmission ... packettransmitted in mini-cycle i is received in mini-cycle (i+1) and increases cwnd by one MSS. Further-more, ACKs for consecutive packets released in mini-cycle i arrive in intervals corresponding theservice...
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Báo cáo khoa học: In vivo studies of altered expression patterns of p53 and proliferative control genes in chronic vitamin A deficiency and hypervitaminosis pot
... was detected in liver and lungindicating that the amount of p53 protein was significantly increased in the liver and lung from vitamin A-deficient rats that in controls. c-Junprotein was significantly ... RARexpression was similar in control, vitamin A-deficiency and hypervitaminosis (Fig. 5) rats. An antibody against aprotein unrelated to vitamin A was used as a mock control and binding was not observed ... ofc-jun,p53 and p21WAF1/CIF1 in liver and lung of control, chronic vitamin A-deficiency and hypervitaminosis ratsBased on the results found in the differential display study and taking into account...
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Báo cáo khoa học: "EXPERT SYSTEMS AND OTHER NEW TECHNIQUES IN MT SYSTEMS " ppt
... metho- dology by incorporating advanced techniques from software engineering, moving toward third-genera- tion systems by incorporating expert systems, and returning to interactive techniques for ... algebraic and less geometric in nature, and we prefer to use a speci- fication in terms of the kind of structures we are accustomed to manipulating. 2 - Grafting o n expert systems Seeing that linguistic ... to design such a system, and to propose an initial implementation. The expertise to be incorporated in this system includes linguistic, metalinguistic, and extralinguistic knowledge. The system...
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Water Pollution: Impact of Pollutants and New Promising Techniques in Purification Process doc
... (i)manufacturing (ii) power-generating (iii) mining and construction, and (iv) food processingindustries (Mc Kinney and Schoch 2003). Manufacturing industries like chemical, oilrefining, steel ... uranium mining and enrichmentplants (Rao 2001). The mining and construction industries aremajor contributors of sediment and acid drainage.There are basically four main types of miningimpacts ... used in processing and cleaning, packaging reduction and disposal, and food scraps and refuse (McKinney and Schoch 2003).b. Agricultural WastesThese are generated by the cultivation ofcrops and...
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Tài liệu Mạng máy tính ( Computer networks ) pdf
... (Fiber Optic Inter-Repeater Link) gọi là FOIRL Liên mạng (internetworking) Việc kết nối các LAN riêng lẻ thành một liên mạng chung được gọi là Internetworking. Internetworking sử dụng ba ... tin dùng trong mạng có độ dài từ 64 đến 1518 byte. Mạng TOKEN RING Ngoài Ethernet LAN một công nghệ LAN chủ yếu khác đang được dùng hiện nay là Token Ring. Nguyên tắc của mạng Token Ring ... chuẩn IEEE 802.5. Mạng Token Ring có thể chạy ở tốc độ 4Mbps hoặc 16Mbps. Phương pháp truy cập dùng trong mạng Token Ring gọi là Token passing . Token passing là phương pháp truy nhập xác...
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Tài liệu Working through Screens-100 Ideas for Envisioning Powerful, Engaging, and Productive User Experiences in Knowledge Work pdf
... workers to maintain an internal locus of control; and providing mean-ingful visibility into the internal workings of automaon.Category F, “Enhancing informaon representa-on,” contains eleven ... architecture, clinical research, and nancial trading. These example domains show the 100 envisioning ideas in acon” in specic contexts. By including three domains instead of one, each envisioning ... “Exploring work mediaon and deter-mining scope,” contains nine ideas that can help product teams pursue useful understandings of knowledge work pracce. These understandings can inform insighul...
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Credit Growth and the Effectiveness of Reserve Requirements and Other Macroprudential Instruments in Latin America pdf
... than using an effective rate our RR measure is based on a simple average of rates (in Brazil of demand and savings deposits; in Colombia of checking and saving accounts, CD and bonds, and in Peru ... prior, during, and following the 2008–2009 financial crisis: The surge in credit growth and overheating pressures driven by large capital inflows during 2006–08—ahead of the global financial ... has been split into average and marginal reserve requirements and main macroprudential measures.3 I. INTRODUCTION Emerging market economies (EMEs), including those of Latin America, have...
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Chapter 12 :Congestion in Data Networks pdf
... William StallingsData and Computer CommunicationsChapter 12Congestion in Data Networks Allocating VCCs within VPCAll VCCs within VPC should experience similar network ... performanceOptions for allocation:Aggregate peak demandStatistical multiplexing Frame Relay Congestion Control Minimize discardsMiantain agreed QoSMinimize probability of one end user monoplySimple ... criticalFinite queues mean data may be lost Interaction of Queues Operation of CIR Configuration of VCCs and VPCs Rate Control FeedbackEFCI (Explicit forward congestion indication) markingRelative...
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Báo cáo khoa học: Transport of L-arginine and nitric oxide formation in human platelets pdf
... amino acids lysine, arginine and ornithine at the basolateral membrane of the polar epithelialcells in the intestine and renal tubules. LPI is caused bymutations in the SLC7A7 gene encoding ... required, were incuba-ted for 1 min at 37 °C in a Dubnoff water bath under gentleshaking in the presence of 1 lCiÆmL)1L-[2,3,4-3H]arginine,unlabelledL-arginine and L-leucine when required ... kineticparameters ofL-arginine in ux and efflux were calculatedby Lineweaver–Burk plot. TheL-arginine flux throughsystem y+L was measured in N-ethylmaleimide-treatedplatelets and theL-arginine flux via...
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Báo cáo Y học: Concerted regulation of free arachidonic acid and hormone-induced steroid synthesis by acyl-CoA thioesterases and acyl-CoA synthetases in adrenal cells pdf
... described[31] and also CTE-I and MTE-I recombinant proteins(Fig. 1A, lanes 1 and 2). In another set of experiments we obtained an antibodyusing the purified recombinant CTE-I protein as described in Experimental ... Podesta´,E.J.&Catt,K.(1977) Intermediate role of adenosine 3¢:5¢-cyclic monophosphate and protein kinase during gonadotropin-induced steroidogenesis in testicular interstitial cells. Proc. Natl ... 37 °C and under vigorousshaking, using 0.1 lg of the recombinant protein in a buffercontaining 10 mMHepes, 50 mMKCl, pH 7.4 and 15 lMofthe substrate. Arachidonic acid released during the...
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Adolescents’ Use of Maternal and Child Health Services In Developing Countries pdf
... the third DPT and the measles vac-cinations. In six countries—one in Africa (Uganda), two in Latin America (Nicaragua and Peru) and three in Asia(Bangladesh, India and Indonesia)—infants born ... adolescents in at least one ofthe three younger subgroups. Of these cases, eight were in Asia (India and Indonesia), five in Latin America (Guatemala and Peru) and three in Africa (Uganda). Most ... (12% in Bolivia and Brazil). In Africa and Asia, most women lived in rural areas(71–91%). In Latin America, especially in Bolivia, Brazil and Peru, greater proportions of mothers lived in a...
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Báo cáo khoa học: "Analysis of Mixed Natural and Symbolic Language Input in Mathematical Dialogs" pdf
... within aFORMULA in the Actor relation with respect to the head contain’]contain( , )CONTAINMENT(container , containee )[’the Containment relation involves a predicate contain and its Actor and ... [Agilt]CAUSE, alle x, die in A sind sind nicht in B[As A applies, all x that are in A are not in B]Wenn [A]COND, dann A B=[If A , then A B= ]Dagilt, [alle x, die in A sind sind nicht in B]RESWenn ... sein[then all A and B have to be contained in C]Alle x, [die in B sind]GENREL . [All x that are in B ]alle elemente [aus A]PROP-FROMsind in enthalten[all elements from A are contained in ]Aus...
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Báo cáo khoa học: Dictyostelium differentiation-inducing factor-1 induces glucose transporter 1 translocation and promotes glucose uptake in mammalian cells pdf
... (serum-free) and then for 30 min in Buffer A (BA) containing the same reagents. Alternatively, 3T3-L1 adipocytes were stimulatedfor 30 min with 100 nM insulin (Ins) and ⁄ or 0.1 lM wortmannin (wort) in ... D5796)supplemented with 75 lgÆmL)1penicillin, 50 lgÆmL)1strep-tomycin and 10% (v ⁄ v) fetal bovine serum. RGM-1 cellswere maintained in vitro at 37 °C (5% CO2) in DMEMcontaining a low concentration (1000 ... the effects of DIF-1 and insulinon the translocation of GLUT1 and GLUT4 in 3T3-L1 adipocytes (Fig. 9B). As expected, insulin inducedboth GLUT1 and GLUT4 translocation from intracel-lular stores...
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Restorative Techniques in Paediatric Dentistry pdf
... sites between the mucosa and underlying periosteum. More acceptable techniques in children are the intrapapillary and indirect palatal injections. Intrapapillary injection This provides suitable ... and tying a single knot in it. This is then passed backwards and forwards through the gingival embrasure, removing any excess cement (b). A rubber cup and pumice prophylaxis is useful to finally ... author can be held responsible for errors or for any consequences arising from the use of information contained herein. For detailed prescribing information or instructions on the use of any product...
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Globalization and Cross-Cultural Issues in Project Management pdf
... working in the Asia Pacific rim for two years as a PMO Manager, and training PM’s in many European countries, I decided that understanding international socio-cultural issues encountered in business ... Ballow, whom I initially met in Asia. Her wisdom, coaching, and meaningful insights on the many differences between Western and Eastern business and cultural practices were, and remain till this ... a trivial chat with a friend of mine. Being a linguist by trade, Russian by origin and living in Finland, she is well aware of cross-cultural discrepancies and provided me with a curious example....
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