Ngày tải lên: 15/03/2014, 21:20
Ngày tải lên: 21/06/2014, 08:20
Means of transport available in Hanoi.DOC
... assignment, means of transport in Hanoi as well as from Hanoi to Sapa by bus, by train, by motorbike… II. Body : It shows some typical features of Sapa, the history and development of history of train, ... infrastructure of the national railway network. More over, the current development of tourism make for high demand of train service from Ha Noi to Sapa and vice versa.There are five couples of train ,of ... from Hanoi with variety means of transport. It’s good idea to go to Sapa from Hanoi. Sapa is really an attractive destination of tourists all over the world because of beautiful sites and traditional...
Ngày tải lên: 03/09/2012, 09:19
Transport Layer
... response stop and wait Transport Layer 3-23 Principles of Reliable data transfer ❒ important in app., transport, link layers ❒ top-10 list of important networking topics! ❒ characteristics of unreliable ... control ❒ learn about transport layer protocols in the Internet: ❍ UDP: connectionless transport ❍ TCP: connection-oriented transport ❍ TCP congestion control Transport Layer 3-49 Selective ... from above Wait for ACK or NAK 1 Λ Λ Transport Layer 3-5 Transport vs. network layer ❒ network layer: logical communication between hosts ❒ transport layer: logical communication between...
Ngày tải lên: 12/09/2012, 15:06
Báo cáo y học: "Primary prevention of Down’s syndrome"
... sufficiently high dose of folic acid and possibly cobalamin is used. Further progress in the primary prevention of DS is hampered by limited knowledge of the cause of this disorder. There ... proponents use the J-shape of the maternal age risk curve as evidence for the effect of hormonal imbalance around the time of menarche and approaching the menopause. However, none of the meta-analyses ... However, only about 1% of DS pregnancies are in women with a family history of the disorder so the impact of this activity on birth prevalence is minimal. In some localities women of advanced reproductive...
Ngày tải lên: 02/11/2012, 11:12
Báo cáo y học: "The primary prevention of birth defects: Multivitamins or folic acid"
... director of Foundation for the Community Control of Hereditary Diseases, Budapest, and professor of Faculty of Genetics, Eötvös Loránd University of Sciences. He was the president of European ... estimation of effectiveness of high dose of folic acid supplementation during the periconceptional period for the prevention of CAs. Here I will summarize the methods and results of the two ... (RCT) Number of offspring 2,471 2,391 Expected/observed number of NTD 6.9/0 6.7/6* RR (with 95% CI) 0.07 (0.04-0.13) Two-cohort controlled trial (TCT) Number of offspring 3,056 3,056...
Ngày tải lên: 03/11/2012, 10:05
A new approach to semantic and syntactic functions of English adjectives – A contrastive analysis with their Vietnamese equivalents
... scope, methods and design of the study. Chapter II introduces an overview of English adjectives with the definitions of adjectives and their semantic and syntactic functions of English adjectives. Chapter ... being stupid again. In short, syntactic functions of English adjectives are ordered clearly as in the following table: Kinds of adjective Semantic functions of English adjectives Gradable non- ... opened the letter. In short, syntactic functions of English adjectives are ordered clearly as in the following table: kinds of adjective Syntactic functions of English adjectives attributive Predicative Pre- modification post- modification as...
Ngày tải lên: 10/04/2013, 14:46
A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell
Ngày tải lên: 05/09/2013, 14:58
A capillary-based method determining the permeability of sand layer for geothermal applications
Ngày tải lên: 05/09/2013, 17:03
TEACHING PRONUNCIATION TO THE FIRST YEAR STUDENTS AT THE UNIVERSITY OF TRANSPORT AND COMMUNICATIONS a CASE STUDY
Ngày tải lên: 07/09/2013, 13:45
Evolution of VoIP Signaling Protocols
... are working with them to enhance the features of SIP servers so that they can have the functionality of a softswitch. Such a softswitch may perform the functions of a call controller, MGC, and SS7 SG. SIP ... enhanced 3 As mentioned earlier, the softswitch concept probably originated during the development of MGCP. A softswitch is sometimes referred to as a collection of software-defined entities residing ... 1 of the H.323 protocol: a. Many of the desired and advanced PSTN-domain call features and ser- vices could not be easily implemented using H.323v1 because of its lack of openness (i.e., all of...
Ngày tải lên: 30/09/2013, 07:20
The Natural Functions of Secondary Metabolites
... birth of the field of biochemical engineer- ing. Following on the heels of the antibiotic products was the development of efficient microbial processes for the manufacture of vitamins (riboflavin, cyanocobalamine, ... fraction of the multitude of plant secondary metabolites. Over 10,000 of these low mole- cular weight compounds are known but the actual numbers are probably in the The Natural Functions of Secondary ... canker of stone fruit trees and holcus spot of maize, and is also a broad-spectrum antibiotic against procaryotes and eucaryotes including Geotrichum candidum [81]. Proof of the role of antibiotics as...
Ngày tải lên: 26/10/2013, 02:20
Tài liệu Chapter 4 - OSI Transport Layer CCNA Exploration version 4.0 docx
... the establishment of TCP sessions Học viện mạng Bách khoa - Website: www.bkacad.com 29 Transport Layer Role and Services • Describe the role of segments in the transport layer and the two ... Synchronize sequence numbers – FIN: No more data from sender Transport Layer Role and Services • Major functions of the transport layer and the role it plays in data networks – Tracking the ... Website: www.bkacad.com 25 Transport Layer Role and Services Học viện mạng Bách khoa - Website: www.bkacad.com 9 • At the Transport layer the three basic operations of reliability are: – Tracking...
Ngày tải lên: 22/12/2013, 13:17
Tài liệu Issues Involved When Updating the Primary Key of a Parent Row pptx
... whether a change to a value in the primary key column of the primary key table (the parent table) is also made to the foreign key column of the corresponding rows of the foreign key table (the child ... with a CustomerID of J6COM. A copy of this row is stored in a DataTable named customersDT. • There is a row in the Orders table that also has a CustomerID of J6COM. A copy of this row is stored ... the UpdateRule and DeleteRule properties of a ForeignKeyConstraint object. These properties are of the System.Data.Rule enumeration type; members of this type are shown in Table 12.4 . Table...
Ngày tải lên: 24/12/2013, 01:17
A study on english reading strategies employed by second year bridge and road students university of transport and communications
... taking relationship between the amount of unique strategies and comprehension Block (1992) 16 proficient readers of English, 9 non-proficient readers of English; think- aloud reports at ... University of Transport and Communications (hereafter UTC). The study of learning strategies in other English skills would be beyond the scope. 1.2.2. Aims of the study The major purposes of this ... both of these processes. This view is now shared by a majority of researchers in a numerous number of studies on reading. The last part of the chapter discusses reading strategies, the focus of...
Ngày tải lên: 29/01/2014, 10:33