... access – Frequency Division Multiple Access (FDMA) – Time Division Multiple Access (TDMA) – Code Division Multiple Access (CDMA) 10 Multiple Access (continued) • Frequency Division Multiple Access ... Objectives • List the components of a radio system • Describe how different factors affect the design of a radio system • Explain the radio frequency spectrum Components of a Radio System • Components ... Multiple Access (continued) 14 Multiple Access (continued) • Code Division Multiple Access (CDMA) – Used primarily for cellular telephone communications – Uses direct sequence spread spectrum (DSSS)...
Ngày tải lên: 13/09/2012, 10:52
Components of USB
... power cycles from the root node To attach a function, use the USBDeviceAttach function in the USB client driver To detach a function, use the USB_CLOSE_DEVICE handler of the USBDeviceNotifications ... platform\cepc\drivers\serial_sl11\ directory of their Microsoft Windows CE Platform Builder installations These files support the Scanlogic Corporation’s SL11 USB Function controller chipset For complete ... Send USB Configurations A USB network is composed of a master host computer that is connected to slave USB devices These devices may have a single function, such as a cell phone, or may contain...
Ngày tải lên: 07/10/2013, 00:20
... weatherproof (IP65) Made in USA DC Connector (1) Mainline Connector Configuration Mainline Connector (M) Mainline Connector (F) Typical Catalog Number: 200N-MF-1 DC Connector Mainline Connector Type ... general description of the product(s) and shall not form part of any contract Please contact a MECA Applications Engineer for the most current specification drawing MECA Electronics, Inc 459 E Main ... general description of the product(s) and shall not form part of any contract Please contact a MECA Applications Engineer for the most current specification drawing 14 MECA Electronics, Inc 459 E...
Ngày tải lên: 09/11/2013, 05:15
Tài liệu Advanced Linux Programming: C Table of Signals ppt
... in Chapter 3, “Processes.” SIGXCPU Linux sends a process this signal when it exceeds the limit of CPU time that it can consume See Section 8.5, “getrlimit and setrlimit: Resource Limits,” in Chapter ... pointer” can cause a SIGSEGV SIGPIPE The program has attempted to access a broken data stream, such as a socket connection that has been closed by the other party SIGALRM The alarm system call schedules ... a process terminate.This is the default signal sent by the kill command SIGCHLD Linux sends a process this signal when a child process exits See Section 3.4.4, “Cleaning Up Children Asynchronously,”...
Ngày tải lên: 21/01/2014, 07:20
Tài liệu Real-Time Digital Signal Processing - Appendix C: Introduction of C Programming for DSP Applications ppt
... C: INTRODUCTION OF C PROGRAMMING FOR DSP APPLICATIONS C program (Source) Preprocessor Compiler Assembly code Assembler Object code Linker (loader) Libraries Execution Data Output Figure C. 1 C. 1 ... the C compiler The #define directs the preprocessor to replace subsequent occurrences of K with the constant value 1024 A C program may consist of one or more functions and one and only one function ... exactly equivalent, although the meaning of x [ 0]is often more clear C. 3.3 C Functions As discussed earlier, all C programs consist of one or more functions, including the main() In C, functions...
Ngày tải lên: 25/01/2014, 19:20
Tài liệu Báo cáo khoa học: Bacitracin is not a specific inhibitor of protein disulfide isomerase pptx
... in cell biological studies, the mechanism of PDI inhibition by bacitracin is unknown We have recently speculated that inhibition could arise because of one of two effects [30] First, bacitracin ... directly to inhibition of PDI-catalyzed insulin reduction Fig Effects of bacitracin and other compounds on the relative rate of reduction of the B-chain of bovine insulin Insulin was reduced ... presence of bacitracin In the insulin reduction assay, bacitracin was able to decrease the activity of PDI in a concentration-dependent manner, but this effect was small, such that, in the presence...
Ngày tải lên: 16/02/2014, 14:20
Tài liệu Báo cáo khoa học: Salt-induced formation of the A-state of ferricytochrome c – effect of the anion charge on protein structure docx
... the structure of the A state of cytochrome c Biochemistry 39, 12632– 12638 18 Sinibaldi F, Howes BD, Smulevich G, Ciaccio C, Coletta M & Santucci R (2003) Anion concentration modulates conformation ... horse cytochrome c The expression plasmid of horse cytochrome c was introduced into Escherichia coli JM 109 strain; bacterial expression and purification of the recombinant protein were then conducted ... Fig Fig Absorbance at 695 nm of acid-denatured cytochrome c in the presence of increasing sulfate (s) and selenate (d) concentrations The optical absorbance of native cytochrome c (—) at pH 7.0...
Ngày tải lên: 19/02/2014, 05:20
Tài liệu Báo cáo khóa học: Non-specific depolymerization of chitosan by pronase and characterization of the resultant products pptx
... individual chains resulting from decrease in chain length, as evidenced by decreased molecular mass of LMWC The DA calculated using 13 C- NMR spectra was in accordance with the one calculated by IR-spectra ... lysis of the bacterial cells as evidenced by SEM (unpublished observations) Characterization of the mono-oligomeric mixture Fig Circular dichroic (CD) spectra of chitosan and LMWC resulted in LMWC ... of reducing groups indicating action of pronase on -GlcNAc-GlcN-linkage resulting in the products (LMWC and oligomers) with GlcNAc at reducing ends In addition, the presence of GlcNAc in Fraction...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu Báo cáo khoa học: Rotary F1-ATPase Is the C-terminus of subunit c fixed or mobile? docx
... the Ca atoms of cK18, cI19, cT20 and cK21, and the second group Ca atoms of cD233, cN234, cA235 and cS236 The magnitude and direction of the forces was calculated at every step of the molecular ... from the N-end of c subunit (cA1–cK24) and 43 residues from its C- end (cT230– cL272) The chosen portion included a major part of the coiled-coil region of c and the complete a-helical C- terminus ... the coiled-coil portion of c at the level of cK18–cK21 and cD233–cS236 residues The torque was created by external forces acting on the two groups of four carbon atoms each The first group included...
Ngày tải lên: 19/02/2014, 16:20
Tài liệu Báo cáo khoa học: Extended half-life upon binding of destabilized intrabodies allows specific detection of antigen in mammalian cells pdf
... resulting plasmid by cloning the following annealed oligonucleotides 5¢-CTAGTCGTCCGAACTCCGATAATCGC CGTCAGGGCGGTCGCGAACGTTTAG-3¢ and 5¢-CA TGCCAAACGTTCGCGACCGCCCTGACGGCGATTA TCGGAGTTCGGACA-3¢ into the ... and EcoR1-digested p13R4 The same strategy was used for constructing p13R4-P, except that the following primers 5¢-ACTCATA CTAGTCTTAGCCATGGCTTCCCGCCG GCG-3¢ and 5¢-CCATCCGAATTCTCACTACACATTGATCCTAGCA ... primers 5¢-GTCTGGCGGAA AACCTCAGTGTGACGC-3¢ and 5¢-GACACCAGACCA ACTGGTAATGGTAGCGACCG-3¢ were used for the amplification of the 3¢ end of the b-gal gene The presence of similar amounts of genomic DNA in...
Ngày tải lên: 19/02/2014, 18:20
Tài liệu Báo cáo Y học: The glucose-specific carrier of the Escherichia coli phosphotransferase system Synthesis of selective inhibitors and inactivation studies pptx
... monophasic shape are Table Rates of inactivation of IICBGlc Incubation of purified IICBGlc with the indicated concentration (mM) of the analogues 1a)3d was carried out at 30 C Rate constants ... glucose receptor of the bacterial phosphotransferase system: molecular cloning of ptsG and purification of the receptor from an overproducing strain of Escherichia coli Proc Natl Acad Sci USA 84, ... that accessibility is increased in the presence of Glc Because this same effect was not observed with EIIMan-expressing cells, nonspeci c effects on essential PTS components other that EIIGlc can...
Ngày tải lên: 21/02/2014, 01:21
Tài liệu Báo cáo Y học: CK2btes gene encodes a testis-specific isoform of the regulatory subunit of casein kinase 2 in Drosophila melanogaster potx
... pair of primers: 5¢-GACTGCAGTGAAGG GCATCGAGTCCTCGGG-3¢ and 5¢-GAGGATCCGG GACATTCCTTAGCCAGGAGGG-3¢ To make the b-galactosidase expressing construct, a 173-bp PCR fragment of the CK2btes gene including ... ATGTCGTGTCCCAGGAGCATCGAG-3¢ and 5¢-GTC TGCAGTTAAAAATTCGGGACATTCCTTAGCCA GG-3¢ BamHI–PstI digested PCR product was cloned as a fusion with GAL4bd in the pAS2-1 vector (Clontech, La Jolla, CA, ... of D melanogaster CK2a gene comprising the whole ORF region was PCR-amplified from Drosophila genomic DNA using the following pair of primers: 5¢-CAGGATCCATGACACTTCCTAGTGCG GCTCGC-3¢ and 5¢-CCAAGCTTTTATTGCTGATTAT...
Ngày tải lên: 21/02/2014, 15:20
COMPONENTS OF REPRODUCTIVE ISOLATION BETWEEN THE MONKEYFLOWERS MIMULUS LEWISII AND M. CARDINALIS (PHRYMACEAE) potx
... evaluated cooccurrences for a range of quadrat sizes, including 16, 32, 48, 64, and 80 km squares Collection coordinates rarely occurred less than 10 km from each other, preventing estimates of co-occurrences ... speciation Ecological factors are thought to play a critical role in speciation (Mayr 1942; Schluter 1998, 2000; Schemske 2000), yet only recently has the process of ecological speciation received ... quadrat size, we computed ecogeographic isolation (RIgeogr) as: no co-occurrences (natural distr sim.) no co-occurrences (random assign sim.) RI pollinator ϭ Ϫ number of cross-species foraging...
Ngày tải lên: 05/03/2014, 17:20
Báo cáo khoa học: Specific cleavage of the DNase-I binding loop dramatically decreases the thermal stability of actin pot
... Temperature dependences of the excess heat capacity (Cp) of intact (curve 1), ECP-cleaved (curve 2) and subtilisin-cleaved (curve 3) ATP-Ca-G-actins The actin concentration was 24 lM Other conditions: ... values of Tm did not exceed ± 0.2 C The relative error of the given values of DHcal did not exceed ±10% Mg-F-actin Stabilizer Tm ( C) DHcal (kJÆmol)1) Intact Intact Intact Intact ECP-cleaved ECP-cleaved ... ATPMg-G-actins Fig DSC curves of intact G-actin (A) and ECP-cleaved G-actin (B) with different tightly bound nucleotide and cation: ATP-Ca-Gactin, ATP-Mg-G-actin and ADP-Mg-G-actin The actin concentration...
Ngày tải lên: 06/03/2014, 22:21
Components of Software Development Risk: How to Address Them? A Project Manager Survey ppt
... several external factors ([34], [10]) These include: 1) organizational characteristics, 2) technology characteristics, and 3) individual characteristics Organizational characteristics cover items like ... none of these components is solely technical Instead, technological aspects are embedded into software risk components (system functionality, subcontracting, and resource usage and performance) ... the use of disciplined development process, leveraging on experience, hiring well-educated people, and proper scoping of projects These characteristics significantly influenced all risk components...
Ngày tải lên: 07/03/2014, 00:20
Báo cáo khoa học: Stage specific expression of poly(malic acid)-affiliated genes in the life cycle of Physarum polycephalum Spherulin 3b and polymalatase potx
... 5¢-GTCTCCAGACGTCTCGAAC-3¢; reverse, 5¢-CATCCAAGTCTTGGGAGCTC-3¢ For NKA48: forward, 5¢-GATGCTAACTTCAGCGGAAAC TC-3¢; reverse, 5¢-CACGATGATGGATGAAATGGCG TC-3¢ For NKA49: forward, 5¢-CTTCCACGACGGAAAC GATGAC-3¢; ... number DQ017261): 5¢-GATGCATAATACGACTCACTATAGG GAAATGTCCGTCCAACAAGGAG-3¢ (forward) and 5¢GCCTTCTAATACGACTCACTATAGGGACCACGATG ATGGATGAAATG-3¢ (reverse) Both primers contained T7-polymerase promoter ... GATGAC-3¢; reverse, 5¢-CTCTCCAACACATGCTGACG TAG-3¢ Cycling conditions were 94 C for min, followed by 35 cycles of 94 C for 30 s, 54 C for 30 s, 72 C for min, and 72 C for 10 The samples were...
Ngày tải lên: 07/03/2014, 12:20
Báo cáo khoa học: The protein shuffle Sequential interactions among components of the human nucleotide excision repair pathway pdf
... widely accepted that GGR in human cells occurs as follows DNA damageinduced helical distortion is recognized by the XPC– hHR23B complex, and transcription factor IIH (TFIIH; which consists of nine ... presence of XPA: implication for damage verification and strand-speci c dual incision in nucleotide excision repair Nucleic Acids Res 31, 4747–4754 33 Stauffer ME & Chazin WJ (2004) Physical interaction ... heterodimer of human XPF–ERCC1 [43], and a solution structure of human XPF–ERCC1 (HhH)2 domain complex [44], were published (Fig 5) The central domain of human ERCC1 closely resembles the nuclease...
Ngày tải lên: 07/03/2014, 12:20
Báo cáo khoa học: Amino acids at the N- and C-termini of human glutamate carboxypeptidase II are required for enzymatic activity and proper folding pptx
... ACACTCGAGAGATCTGCAAATGAATATG ATTCTCGAGTCATTAGGCTACTTCACTCAAAG AAACTCGAGAGATCTAAATCCTCCAATGAAGC CACCTCGAGTTATTATAGCTCAAACACCATCC AAACTCGAGAGATCTAAATCCTCCAATGAAGC CACCTCGAGTTATTATAGCTCAAACACCATCC ... ATTCTCGAGTCATTAGGCTACTTCACTCAAAG AAAAGATCTTTTCAGCTTGCAAAGCAA ATTCTCGAGTCATTAGGCTACTTCACTCAAAG AAAAGATCTAAGACTCATCCCAACTAC ATTCTCGAGTCATTAGGCTACTTCACTCAAAG AAAAGATCTGGATATGAAAATGTTTCGG ATTCTCGAGTCATTAGGCTACTTCACTCAAAG ... AAACTCGAGAGATCTAAATCCTCCAATGAAGC ATTCTCGAGTCATTATGCAACATAAATCTGTCTCTT AAACTCGAGAGATCTAAATCCTCCAATGAAGC AAACTCGAGTTATTATTCAATATCAAACAGAG AAAAGATCTAAAGCATTTTTGGATGAATTG ATTCTCGAGTCATTAGGCTACTTCACTCAAAG...
Ngày tải lên: 07/03/2014, 15:20
Báo cáo khoa học: Specific degradation of H. pylori urease by a catalytic antibody light chain pptx
... Japan Science and Technology Agency (Creation of Bio-devices and Biosystems with Chemical and Biological Molecules for Medicinal Use) and Grants-in-Aid for Scienti c Research from the Ministry of ... gp41 molecule as 41S-2-L was [10,11] In some cases, a significant change in the immunological character of the heavy or light chain could occur, resulting in a different specificity from that of the ... (RSSHFPYSQYQFWKNFQTLK) derived from CCR5, a chemokine receptor, which plays a crucial role in HIV infection In all of these catalytic antibodies, a catalytic triad composed of Asp, Ser, and His was always...
Ngày tải lên: 07/03/2014, 21:20
The Benefi ts of Biotechnology: Scientifi c Assessments of Agricultural Biotechnology’s Role in a Safer, Healthier World
... compendium titled “The Benefits of Biotechnology” available at SoyConnection.com Introduction Crops improved through agricultural biotechnology have been grown commercially on a commodity scale ... individual biotech crop genetic event and to address the “legitimate concerns for the biosafety of each product and process prior to its release.”5 Rising Food Costs Prices of agricultural food commodities ... than is considered acceptable The total cost of food imported by the neediest countries rose 25 percent in 2007.7 Some Blame African Hunger on Rejection of Agricultural Biotechnology According...
Ngày tải lên: 13/03/2014, 21:57