... This makes the transmitted data stream ⇐ 0111 1110 01 0111 11 0111 1101 0111 1101 0110 1111 110 At the receiver, the zeros after five ones are removed to leave the original data stream 4.1.2 .3 Serial Line ... ⇐ 0111 1110 /01 0111 11 /111 1110 1 /111 11 011/ 0111 1110 The first bits and the final bits are underlined—they are the beginning and ending flags (07E, 0111 1110 ) In between, there is a section of the data stream (also ... frame containing an IP datagram The frame consists of an IEEE 802.5 header, an IEEE 802.2 LLC header, an IEEE 802 .3 SNAP header, the payload (IP datagram), and an IEEE 802.5 trailer Appendix B...
Ngày tải lên: 14/08/2014, 13:20
... beginning and ending flags, the transmitter inserts a (denoted for clarity) after sequences of five 1s This makes the transmitted data stream ⇐ 0111 1110 01 0111 11 0111 1101 0111 1101 0110 1111 110 At the ... following data stream which has been divided into bytes for easier reading: ⇐ 0111 1110 /01 0111 11 /111 1110 1 /111 11 011/ 0111 1110 The first bits and the final bits are underlined—they are the beginning and ending ... in a frame containing an IP datagram The frame consists of an IEEE 802.5 header, an IEEE 802.2 LLC header, an IEEE 802 .3 SNAP header, the payload (IP datagram), and an IEEE 802.5 trailer Appendix...
Ngày tải lên: 14/08/2014, 13:20
Báo cáo Y học: Nuclear proteins that bind to metal response element a (MREa) in the Wilson disease gene promoter are Ku autoantigens and the Ku-80 subunit is necessary for basal transcription of the WD gene ppt
... possesses transcriptional regulatory activity and that a variety of nuclear transcription factors interact specifically with MREa [11 ,33 ,38 ,39 ] These findings suggest that transcriptional activator proteins ... oligonucleotide with a biotin head at the 5¢-end HepG2 nuclear extracts were incubated with avidin–agarose beads (Sigma) at °C for 30 to eliminate materials in the extracts that bind nonspecifically to the ... gene 5¢-TGTTAAGTTTGACCCGGAAATTATC 5¢-CCGGTCAGCCAGCTGCTG 5¢-TGATGGTGGGCATGGGTCAG 5¢-TACATGGTGGTGCCGCCAGA a- actin (Perkin-Elmer PCR system 9700) After competitive RT-PCR, a 10-lL aliquot was electrophoresed...
Ngày tải lên: 17/03/2014, 23:20
A Professional''''s Guide To Data Communication In a TCP/IP World pptx
... address 111 1111 1; Aggregatable global unicast address 001; Local-use unicast address 111 1111 010; Site-local unicast address 111 1111 011 • Unspecified address 0:0:0:0:0:0:0:0 or :: cannot be used as a ... contain additional facilities that are used to detect and isolate line and equipment problems 2.2 Making a Data Call Consider a host (Host A) in a multilocation company that needs a data file to ... back to a logical data stream that ascends the protocol stack towards the application layer of the receiving host At each layer, the data sent by the peer layer in Stack are removed and acted...
Ngày tải lên: 27/06/2014, 00:20
Chapter 052. Approach to the Patient with a Skin Disorder (Part 1) ppt
... >0.5 cm in diameter Wheal: A raised, erythematous, edematous papule or plaque, usually representing short-lived vasodilatation and vasopermeability Telangiectasia: A dilated, superficial blood vessel ... interpretation of skin lesions, a variety of descriptive terms have been developed to characterize cutaneous lesions (Tables 52-1, 52-2, and 52 -3 as well as Fig 52 -3) and to formulate a differential ... interpretation would be that the patient has a pruritic eczematous dermatitis with erosions caused by scratching Figure 52-1 Superficial spreading melanoma This is the most common type of melanoma Such...
Ngày tải lên: 06/07/2014, 20:20
Chapter 052. Approach to the Patient with a Skin Disorder (Part 2) potx
... hair-bearing areas may be characterized by destruction of hair follicles Table 52 -3 Common Dermatologic Terms Alopecia: Hair loss; it may be partial or complete Annular: Ring-shaped lesions Cyst: A soft, ... epidermal atrophy) Scar: A change in the skin secondary to trauma or inflammation Sites may be erythematous, hypopigmented, or hyperpigmented depending on their age or character Sites on hair-bearing ... that elicits the desire to scratch Pruritus is often the predominant symptom of inflammatory skin diseases (e.g., atopic dermatitis, allergic contact dermatitis); it is also commonly associated...
Ngày tải lên: 06/07/2014, 20:20
Chapter 052. Approach to the Patient with a Skin Disorder (Part 4) doc
... usually advisable to assess the patient before taking an extensive history This way, the entire cutaneous surface is sure to be evaluated, and objective findings can be integrated with relevant ... red papules on the lower extremities that blanch with pressure can be a manifestation of many different diseases, but hemorrhagic red papules that not blanch with pressure indicate palpable purpura ... erythematous exanthem is more likely to have a drug eruption than is a patient with a similar rash limited to the sun-exposed portions of the face Once the distribution of the lesions has been established,...
Ngày tải lên: 06/07/2014, 20:20
Chapter 052. Approach to the Patient with a Skin Disorder (Part 5) pptx
... A D The distribution of some common dermatologic diseases and lesions Figure 52-7 Psoriasis This papulosquamous skin disease is characterized by small and large erythematous papules and plaques ... skin disease is characterized by small and large erythematous papules and plaques with overlying adherent silvery scale Figure 52-8 ...
Ngày tải lên: 06/07/2014, 20:20
Chapter 052. Approach to the Patient with a Skin Disorder (Part 6) pdf
... contact (Fig 52-10) or primary irritant dermatitis In contrast, lesions with a generalized arrangement are common and suggest a systemic etiology Figure 52-9 Erythema multiforme This ... This eruption is characterized by multiple erythematous plaques with a target or iris morphology It usually represents a hypersensitivity reaction to drugs (e.g., sulfonylamides) or infections ... reaction to drugs (e.g., sulfonylamides) or infections (e.g., HSV) (Courtesy of the Yale Resident's Slide Collection; with permission.) Figure 52-10 ...
Ngày tải lên: 06/07/2014, 20:20
Chapter 052. Approach to the Patient with a Skin Disorder (Part 7) ppt
... melanoma, atopy, psoriasis, or acne) 10 Social, sexual, or travel history as relevant to the patient DIAGNOSTIC TECHNIQUES Many skin diseases can be diagnosed on gross clinical appearance, but ... malaise, fever, arthralgias) Ongoing or previous illnesses History of allergies Presence of photosensitivity Review of systems Family history (particularly relevant for patients with melanoma, atopy, ... technique can be utilized to identify hyphae in dermatophyte infections, pseudohyphae and budding yeast in Candida infections (see Fig 196-1), and "spaghetti and meatballs" yeast forms in tinea versicolor...
Ngày tải lên: 06/07/2014, 20:20
Chapter 052. Approach to the Patient with a Skin Disorder (Part 8) pptx
... noting the amount of blanching that occurs Granulomas often have an opaque to transparent, brown-pink "apple jelly" appearance on diascopy Figure 52 -11 Urticaria Discrete and confluent, edematous, ... erythematous papules and plaques are characteristic of this whealing eruption Wood's Light A Wood's lamp generates 36 0-nm ultraviolet (or "black") light that can be used to aid the evaluation ... such as freckles are accentuated, while dermal pigment such as postinflammatory hyperpigmentation fades under a Wood's light Vitiligo (Fig 52-12) appears totally white under a Wood's lamp, and...
Ngày tải lên: 06/07/2014, 20:20
Báo cáo khoa học: "Mechanized to pollen harvesting with a view hybrid larch seed production" docx
... (Steinmetz and Baldet, 1987) The earliest test indicates a 16.7 m mean volume year -1 increment 26 years after planting compared to 12.8 for Japanese and 10 .3 for European larch (Ferrand and Bastien, ... not to harvest during or immediately after a shower Practically speaking, work resumes when the machine and the trees are dry again The same is the case for dew, and one rarely take advantage ... h ries a static charge and adheres strongly to any - surface it comes into contact with To increase yield, the tank has been equipped with an antisticking device consisting of air streams which...
Ngày tải lên: 08/08/2014, 23:22
Báo cáo y học: "Parenting-by-gender interactions in child psychopathology: attempting to address inconsistencies with a Canadian national database" docx
... the national database LS was responsible for cleaning data, organizing data files, conducting parts of the data analysis and providing conceptual input All authors reviewed and edited the manuscript ... 10 -11 years Research has shown that the parent child associations may be complicated by third variables (such as temperament and parental self-efficacy) and that these variables may vary as a ... leading to possible shared method variance bias Shared method variance bias may lead to the observation of an artificial relationship, due to correlated error that is attributable to participant’s...
Ngày tải lên: 13/08/2014, 18:21
A Professional’s Guide to Data Communication in a TCP/IP World phần 4 ppsx
... Preamble Variable 0×AA-AA -A 0×AA-AA-AA-AAA-AA-AA -A AA-AA-AA-AA A- AA-AB MAC Header Starting delimiter byte No 0×AB Access control byte No No Frame control byte No No Destination bytes Yes Yes address ... interface layer IP datagram ATM AAL Convergence sublayer adaptation AAL Segmentation and layer AAL reassembly sublayer 48 byte cells ATM layer 53 byte cells Physical layer ATM adaptation layer parameters ... stream or a real-time variable bit rate (VBR) stream The bit rate cannot exceed the peak cell rate (PCR) negotiated with the network Data is carried as a VBR stream, as a stream that uses the available...
Ngày tải lên: 14/08/2014, 13:20
A Professional’s Guide to Data Communication in a TCP/IP World phần 5 ppt
... VLAN-unaware domain LAN VLAN-aware domain E C C E VLAN-unaware domain LAN Figure 5.10 VLAN domains • Use the results to associate the frame with a particular VLAN • Insert the appropriate tag ... creation and transmission Both IPSec authentication tunneling datagram D(2) Encapsulating header Authentication header Original datagram D(1) IPSec encapsulating security payload tunneling datagram ... PPP frame is then incorporated in a new IP datagram with a UDP header and an L2TP header Adding an IPsec encapsulating security payload header and trailer and an IPsec authentication trailer...
Ngày tải lên: 14/08/2014, 13:20
A Professional’s Guide to Data Communication in a TCP/IP World phần 6 potx
... 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes ... 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes S i g n a l i n g B y t e s Frame 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Frame ... and the impedance discontinuities cause signal reflections that can adversely affect the data stream Figure 7.2 shows some bridged tap arrangements They are anathema for most data circuits, although...
Ngày tải lên: 14/08/2014, 13:20
A Professional’s Guide to Data Communication in a TCP/IP World phần 7 pdf
... 110 00010 111 10001 c 10000 011 C 110 00 011 1111 0010 d 10000100 D 110 00100 111 10 011 e 10000101 E 110 00101 111 10100 f 1000 0110 F 110 0 0110 111 10101 g 1000 0111 G 110 0 0111 111 1 0110 h 10001000 H 110 01000 111 1 0111 ... 1010 011 ACK 000 0110 111 0100 T 1010100 NAK 0010101 111 0101 U 1010101 DLE 0010000 111 0110 V 101 0110 ETB 001 0111 111 0111 W 101 0111 111 1000 X 1 0110 00 111 1001 Y 1 0110 01 111 1010 Z 1 0110 10 Format MSBxxxxxxxLSB ... 0110 100 110 0110 F 100 0110 0110 101 110 0111 G 100 0111 0110 110 110 1000 H 1001000 0110 111 1101001 I 1001001 0111 000 110 1010 J 1001010 0111 001 110 1 011 K 1001001 110 1100 L 10 0110 0 Control ASCII 110 1101...
Ngày tải lên: 14/08/2014, 13:20
A Professional’s Guide to Data Communication in a TCP/IP World phần 8 ppt
... datagrams and ARP messages are always sent as Type IEEE 802 .3 SNAP HEADER ORGANIZATION CODE (3 bytes): Identifies organization that maintains meaning of EtherType field For IP datagrams and ARP ... binary/5 binary 8B/10B binary/10 binary AAL ATM adaptation layer ABM asynchronous balanced mode ABR available bit rate ACELP Algebraic-Code-Excited-Linear-Prediction ACK acknowledge ADM add /drop ... cell header PAYLOAD SEGMENT B .3. 4 (48 bytes): First bytes may be used for AAL control information AAL5 Frame Containing IP Datagram LLC HEADER: standard SNAP HEADER: standard PAYLOAD B .3 Chapter...
Ngày tải lên: 14/08/2014, 13:20
A Professional’s Guide to Data Communication in a TCP/IP World phần 9 doc
... serv- Character stuffing In the payload, to prevent misinterpretation of text, addition of a specific character ahead of a text character that mimics a command For an IP datagram on an asynchronous ... network so as to be compatible with receiving DTEs Data communication The act of sharing data among devices The act of transferring data among data processing machines over communication links ... header and trailer are constructed When added to the IP datagram, they form the IP frame Data service unit digital line Part of data circuit-terminating equipment (DCE) serving a Data terminal...
Ngày tải lên: 14/08/2014, 13:20
A Professional’s Guide to Data Communication in a TCP/IP World phần 10 ppt
... only To delimit IP datagrams, SLIP uses a special character Called an END character (0×C0), it is placed at the beginning and ending of each IP datagram Server A device that stores data, organizes ... ports to ensure an up -to- date database Protocol data unit Data exchanged between peer layers in a protocol stack Protocol interpreter When using File Transfer Protocol, the agent that sets up and ... D Data call, making a, 29 30 Data circuit-terminating equipment (DCE), 28 Data link connection identifier (DLCI), 24, 61, 74, 101, 191 Data Link layer, 32 , 36 , 37 , 45, 66, 140 Data Link sublayer,...
Ngày tải lên: 14/08/2014, 13:20