... alternative only if unused space is available • Increasing the height of the raised floor Doubling floor height has been shown to increase air flow as much as 50% • Using open racks instead of cabinets ... What databases you support? g g g g g g g DB2/UDB SQL Server Oracle CICS Sybase Informix Other: Which are the biggest problem areas in your data center operations right now? Please check ... labor-intensive task of making multiple hard-wired cable connections As a result, cards are added to the network in minutes instead of hours, decreasing time to revenue and providing a competitive edge-faster...
Ngày tải lên: 27/10/2013, 17:15
... alternative only if unused space is available • Increasing the height of the raised floor Doubling floor height has been shown to increase air flow as much as 50% • Using open racks instead of cabinets ... infrastructure have implications now and in the future To allow you to fully assess and document the physical aspects of your data center, and gain insight into how it can be optimized, ADC has ... What databases you support? DB2/UDB SQL Server Oracle CICS Sybase Informix Other: Which are the biggest problem areas in your data center operations right now? Please check all that...
Ngày tải lên: 21/12/2013, 07:17
Dielectric Elastomers as Electromechanical Transducers docx
... materials, known as relaxor ferroelectrics, is 10–40% [3] This is not quite as high as is achievable in dielectric elastomers, but is in the same range as muscle As in dielectric elastomers, the ... used Polymers as soft as gels and as hard as relatively rigid thermoplastics can act as the dielectric layer in dielectric elastomers Simple analysis reveals desired material requirements for high ... case, the field and field pressure of the film decreased as the thickness decreased and area increased By contrast, in the constant voltage case, as the film decreases in thickness and increases...
Ngày tải lên: 30/03/2014, 06:20
Simultaneous determination of sildenafil, vardenafil and tadalafil as forbidden components in natural dietary supplements for male sexual potency by high performance liquid chromatography–electrospray ionization
... detector The mass spectrometer used was a Micromass ZQ 2000 (Manchester, UK) equipped with an ESI probe and quadrupole analyzer The control of system and data acquiring was performanced with Masslynx3.5 ... elution was programmed as follows: A was maintained at 35% within the first 10 min, then linearly increased to 80% during the following min, then A maintained at 80% for another The column was washed ... initial mobile phase for the next injection The flow rate was kept at ml/min and the column temperature was maintained at 30 ◦ C Injection volume was l The detection wavelength was set at 292 nm...
Ngày tải lên: 02/09/2015, 13:06
High performance liquid chromatographic analysis of urinary catecholamines employing amperometric detection.pdf
... 0.70 V provides a sensitive assay for all these compounds Higher potentials increase baseline noise and decrease the specifity of the analysis Column Temperature There was no need to employ elevated ... r a t u r e s as excellent chromatographic separation was achieved at room t e m p e r a t u r e Composition of the Mobile Phase Increasing the methanol content of the mobile phase from the 5O/o ... and dopamine from urine was assessed as follows: Experiment A: The mean peak height (n = 10) of norepinephrine, epinephrine, and dopamine in each of four different urines was d e t e r m i n e d...
Ngày tải lên: 16/12/2012, 15:24
High performance web sites
... and a faster user experience Typically, the validity of the cached copy is derived from the date it was last modified The browser knows when the component was last modified based on the LastModified ... class="cart"> It is about as fast as the image map example: ... CHAPTER A The Importance of Frontend Performance Most of my web career has been spent as a backend engineer As such, I dutifully approached each performance project as an exercise in backend optimization,...
Ngày tải lên: 21/08/2013, 09:24
HIGH PERFORMANCE DRIVES_Chapter5_2
... current limit as well) during the reversing Once when the new operating speed is established, torque falls to zero since the reversing is simulated under no-load conditions As the last simulation ... operation Fig 3.16 shows recorded phase current waveform and its spectrum Obviously, the current is not an ideal sine wave However, all the higher harmonics are of very high frequency and are situated ... that machine operates with 70 % of the rated flux (the reason for operation with reduced flux is beyond the scope of E Levi, 2001 HIGH PERFORMANCE DRIVES 60 ...
Ngày tải lên: 17/10/2013, 02:15
HIGH PERFORMANCE DRIVES_Chapter6_1
... in phase a leg is closed, while the lower switch is open This state will be preserved as long as the current error in phase a is within hysteresis band However, when the actual current in phase ... However if the triangular carrier frequency is high enough, one carrier wave may be utilised for all the three phases as is done here E Levi, 2001 HIGH PERFORMANCE DRIVES 95 ... applied in the base speed range as well if the switching frequency of the inverter is low, this being the case with thyristor inverters utilised in conjunction with vector controlled high power induction...
Ngày tải lên: 19/10/2013, 08:15
HIGH PERFORMANCE DRIVES_Chapter7
... needs to be modified as well Therefore, the identical high pass filter [p/(p+1/T)] is placed in the output channel of the adjustable model as well The modified rotor flux based MRAC speed estimator ... rotor flux based MRAC speed estimator E Levi, 2001 HIGH PERFORMANCE DRIVES 109 - 6.5 PERFORMANCE OF THE ROTOR FLUX BASED MRAC ... involve the quantity that is to be estimated (in this case rotor speed) and is regarded as the reference model of the E Levi, 2001 HIGH PERFORMANCE DRIVES 107 ...
Ngày tải lên: 23/10/2013, 06:15
FLUKE - RJ45 Plug, The weakest link in High performance Cabling system
... transmission when it requirements The performance of Category still pass Channel requirements, but if the is located at a few feet from the end (in is much higher than Category or 5e, espe- same ... middle of a link This is also true for mum performance plugs and jacks must be Aside from continuity testing, patch NEXT anomalies “centered” and well matched As a result of cords should be tested ... incoming inspection to ensure the performance matched its high internal standards (which were admittedly tougher than necessary for normal office use) Did these cords all pass wiremap? Sure Did they...
Ngày tải lên: 26/10/2013, 19:15
TrueNetTM Category 6* (C6T) HIGHWIRE PLATINUM HIGH PERFORMANCE UTP COPPER TWISTED PAIR CABLE
Ngày tải lên: 27/10/2013, 07:15
Tài liệu High Performance MySQL pdf
... concealed or tolerated As a result, this second edition has a slightly different focus than the first edition We emphasize reliability and correctness just as much as performance, in part because ... enhance MySQL’s functionality and make your life as a database administrator easier It also demonstrates a program called innotop, which Baron wrote as an easyto-use interface to what your MySQL server ... anyone: Tobias Asplund, Igor Babaev, Pascal Borghino, Roland Bouman, Ronald Bradford, Mark Callaghan, Jeremy Cole, Britt Crawford and the HiveDB Project, Vasil Dimov, Harrison Fisk, Florian Haas, Dmitri...
Ngày tải lên: 10/12/2013, 06:15
Tài liệu High Performance Connectors docx
... level of optical performance over time and in various operating environments • How is measuring return loss in the factory different than measuring in the field? The factory measures light lost ... randomly intermated connector performance and is improved through an automated process • What is the typical performance of un-tuned mated connectors in the field? Typical performance of non-tuned ... tuning improve insertion loss performance? Tuning decreases insertion loss by improving the alignment of the fiber cores in mated pairs The accuracy of the tuning process has a direct affect on randomly...
Ngày tải lên: 10/12/2013, 19:15
Tài liệu High Performance Computing on Vector Systems-P1 pdf
... and high memory throughput that match the processor performance are required Whereas the SX-6 supported SDRAM only the SX-8 supports both DDR2-SDRAM as well as fast cycle memory (FCRAM) Fast ... Jens, 228 Yamada, Susumu, 50 Yanagawa, Takashi, Yokoya, Yuji, Machida, Masahiko, 50 Marek, Andreas, 195 Zeiser, Thomas, 25 Zhang, Qinyin, 137 Please purchase PDF Split-Merge on www.verypdf.com to ... SX series Watanabe’s basic design has produced one of the longest-lasting fully compatible HPC-product series ever built for the high performance computing market Watanabe has maintained the compatibility...
Ngày tải lên: 15/12/2013, 13:15
Tài liệu Category 3 High Performance FTP Switchboard Cable pdf
... Category High Performance FTP Switchboard Cable 8/06 • 101301AE Category High Performance FTP Switchboard Cable 24 AWG STC, Shielded, Riser ... enhanced electrical and mechanical performance • Adheres to strict industry tolerance standards and customer specifications for use throughout major service provider networks around the world Common ... TIA/EIA-568-B.2 Category Backbone Cable www.adc.com • +1-952-938-8080 • 1-800-366-3891 Category High Performance FTP Switchboard Cable Specifications CONSTRUCTION CHARACTERISTICS Conductors: 24...
Ngày tải lên: 21/12/2013, 07:16