... girls, handsoldered the wire ends to the component terminals, which themselves were either short wires or soldering lugs. They worked with electric soldering irons and solderwire with a rosin-flux ... reflowsoldering are comprehensively treated. Features of the circuit board and of component placement are considered as far as they are relevant to the soldering process. Cleaning after sol...
Ngày tải lên: 18/04/2014, 12:28
... These are respectively called pressure operation and pressure-gradient (or velocity) operation. Pressure operation In pressure operated microphones the rear surface of the diaphragm is enclosed so ... patterns. Figure 2.3 Artist’s impression of three-dimensional directivity patterns: (a) circle; (b) cardioid; (c) figure-of-eight; (d) hypercardioid; (e) shotgun (courtesy Sennheiser). Micropho...
Ngày tải lên: 18/04/2014, 12:28
TrueNet® CopperTen™ Six-Port Surface Mount Box
... TrueNet ® CopperTen ™ Six-Port Surface Mount Box Optimize your Augmented Category 6 performance at the workstation with ADC’s new six-port surface mount box. An integral part of ADC’s TrueNet ® CopperTen ™ structured ... alien crosstalk critical for 10 Gigabit Ethernet performance • Six-port surface mount box design allows for proper bend radius for Augmented Category 6 cables AP...
Ngày tải lên: 22/10/2013, 17:15
Báo cáo khóa học: Soluble LDL-R are formed by cell surface cleavage in response to phorbol esters pdf
... transmembrane and O-linked sugar domains was subcloned into pLDL -R2 . Fig. 1. LDL -R constructs. LDL -R mutations JD-LDL -R, 812-LDL -R and 792-LDL -R are depicted in relation to the wild-type (WT) ... labeled 792-LDL -R was present as sLDL -R in the medium, compared to 42% of JD-LDL -R and 20% of wild-type receptors (Fig. 8B). In the absence of PMA, the degree of cleavage for 792-L...
Ngày tải lên: 23/03/2014, 12:20
kitchen, r. (2001). rf and microwave radiation safety handbook (2nd ed.)
... intelligence) with a reduced carrier power, double sideband where the two sidebands carry different intelligence and again the carrier is reduced, etc. Some of these are mentioned later in this book where ... depth versus transmitted RF power and RF current. Figure 1.7 shows a pulse transmission where the carrier is transmitted for time t p (the pulse duration) and with a pulse repetition rat...
Ngày tải lên: 18/04/2014, 12:27
Handbook of Adolescent Psychology, 2nd Edition docx
... diverse, active, and multitiered ecologies (Bronfenbrenner, 1979; Bronfenbrenner & Morris, 1998; Lerner, 200 2). As suggested by Steinberg and Morris (200 1), the scientific concern that arguably was most ... Robert C. Granger, Beatrix Hamburg, Stuart Hauser, E. Mavis Hetherington, Reed Larson, Jacqueline V. Lerner, David Magnusson, Anne C. Petersen, Diane Scott-Jones, Lonnie R. Sher...
Ngày tải lên: 06/03/2014, 05:20
Báo cáo khoa học: Cofactor-independent oxygenation reactions catalyzed by soluble methane monooxygenase at the surface of a modified gold electrode pot
... was flowed over the electrode, the reduction current proved to be flow-rate dependent. In the presence of adsorbed MMOH the current was 10 times greater than the control in the absence of adsorbed protein, ... appears that hydrogen peroxide is formed when MMOH is either over-reduced (as seen in the electrochemical experiments) or over- oxidized when exposed to excess oxygen. This release of hyd...
Ngày tải lên: 17/03/2014, 09:20
John r hubbard programming with c++, 2nd ed (2000)
... the programmer the power to write efficient, structured, object-oriented programs. 1.1 GETTING STARTED To write and run C++ programs, you need to have a text editor and a C++ compiler installed on ... running. Numeric overflow and division by zero are examples of run-time errors. 1.21 A compile-time error is an error that occurs when a program is being compiled. Examples: syntax errors such a...
Ngày tải lên: 19/03/2014, 14:10
gray hat hacking - the ethical hacker's handbook, 2nd ed.
... can properly react in the correct defensive manner. This may seem like a large leap for you, from pilots practicing for wartime to corpora - tions trying to practice proper information security, ... software. This software can be hacked into, compromised, or corrupted. Coordinates of where bombs are to be dropped can be changed. Individual military bases still need to be protected by surv...
Ngày tải lên: 25/03/2014, 11:17