InTech-Design of a parallel robotic manipulator using evolutionary computing

Fabrication of a porous polyimide membrane using a silicon nanowire array as a template

Fabrication of a porous polyimide membrane using a silicon nanowire array as a template

... membranes have many applications in biotech- nology and electronics for the separation and/or filtration of gases, biomolecules, and environmentally hazardous materials, and as in- sulating materials ... demonstrate that a porous polyimide membrane can be fabricated by curing liquid polyimide on a vertically oriented silicon nanowire array and selectively etching away the nanowire-array-...

Ngày tải lên: 16/03/2014, 15:10

4 350 0
Measuring and modelling the performance of a parallel ODMG compliant object database server potx

Measuring and modelling the performance of a parallel ODMG compliant object database server potx

... performance evaluation of the Polar parallel object database system, focusing in particular on the performance of parallel join algorithms. Polar is a parallel, shared-nothing implementation of the Object Database ... (ODBMSs) are now established as the database management technology of choice for a range of challenging data intensive applications. Furthermore, the applicat...

Ngày tải lên: 17/03/2014, 00:20

47 1,6K 0
Báo cáo " Research, design and fabrication of a high-power combiner using Wilkinson bridge of L-band " pptx

Báo cáo " Research, design and fabrication of a high-power combiner using Wilkinson bridge of L-band " pptx

... Journal of Science, Mathematics - Physics 25 (2009) 185-189 185 Research, design and fabrication of a high-power combiner using Wilkinson bridge of L-band Dang Thi Thanh Thuy 1, *, Vu Tuan Anh 2 , ... network analyzer, the result was relatively similar to that of the simulink model. Afterthat we have measured the characteristics of the power combiner using the Winkinson br...

Ngày tải lên: 22/03/2014, 11:20

5 375 0
Exergoeconomic optimization and improvement of a cogeneration system modeled in a process simulator using direct search and evolutionary methods

Exergoeconomic optimization and improvement of a cogeneration system modeled in a process simulator using direct search and evolutionary methods

... Society of Mechanical Sciences an d Engineering (ABCM) and of the American Institute of Aeronautics and Astronautics (AIAA). E-mail address: manuel@mecanica.coppe.ufrj.br International Journal ... Foundation. All rights reserved. 475 [7] Valero A. Exergy accounting: Capabilities and drawbacks. Energy 2006, 31(1), 164-180. [8] Giannantoni C., Lazzaretto A. , Macor A. , Mirand...

Ngày tải lên: 05/09/2013, 16:30

14 594 0
Báo cáo khoa học: "Unsupervised Learning of Arabic Stemming using a Parallel Corpus" pot

Báo cáo khoa học: "Unsupervised Learning of Arabic Stemming using a Parallel Corpus" pot

... Phrase: the advisory committee Arabic Phrase: Alljnp AlAst $ Aryp Task: stem AlAst $ Aryp Choices Score AlAst$Aryp 0.8 AlAst$Aryp 0.7 AlAst$Ary 0.6 AlAst$Aryp 0.1 . . . . . . Figure 4: Alternate ... is a language-independent algo- rithm. English Phrase: the advisory committee Arabic Phrase: Alljnp AlAst $ Aryp Task: stem AlAst $ Aryp Choices Score AlAst$Aryp 0.2 AlAst$Aryp 0.7 AlAst$Aryp .....

Ngày tải lên: 08/03/2014, 04:22

8 424 0
Optimization of design and operating parameters on the year round performance of a multi-stage evacuated solar desalination system using transient mathematical analysis

Optimization of design and operating parameters on the year round performance of a multi-stage evacuated solar desalination system using transient mathematical analysis

... outlet temperature from the flat plate collectors, latent heat and refined latent heat of vaporization of water from each stage and specific heat capacity of water from each stage are averaged over ... [3] Al-Abbasi M .A. , Al-Karaghouli A. A., Minasian A. N. Photochemically assisted solar desalination of saline water. Desalination. 1992, 86(3), 317–324. [4] Mowla D, Karimi G. M...

Ngày tải lên: 05/09/2013, 16:11

26 568 0
Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model

Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model

... disposal of hazardous waste (co-disposal). Since the data available on the quantity, age, and composition of the refuse in the landfill are limited, using a more sophisticated calculation was ... emission rate of NMOC based on the variability of the concentration of NMOC, the age of the landfill and the annual refuse acceptance rate. For example, a comparison of the res...

Ngày tải lên: 05/09/2013, 16:11

8 540 0
Tài liệu tiếng anh Điện tử công suất mạch MERS A new automatic voltage regulator of self excited induction generator using SVC magnetic energy recovery switch

Tài liệu tiếng anh Điện tử công suất mạch MERS A new automatic voltage regulator of self excited induction generator using SVC magnetic energy recovery switch

... calculations [8], a range of fixed shunt capacitor sizes can be calculated to maintain rated voltage under load varying conditions. Fig.2 shows load characteristic curve for a range of fixed capacitor sizes ... Reactor), STATCOM, and other variable shunt compensators [3-7]. TSC can only give a variation of capacitance in discrete steps. In transients conditions, charging and dischar...

Ngày tải lên: 15/10/2013, 16:10

7 836 2
DC bus control of variable speed wind turbine using a buck boost converter

DC bus control of variable speed wind turbine using a buck boost converter

... single maximum at a specific value of it is apparent that, when operating at a constant speed, the power coefficient will be maximum at only one wind speed. DC Bus Control of Variable Speed ... constant-speed control, a variable-speed control can adjust the speed of the turbine as the wind speed changes, so as to operate at the peak of the Cp curve. This will maximize t...

Ngày tải lên: 03/01/2014, 19:15

5 576 1
Tài liệu Báo cáo khoa học: A single amino acid substitution of Leu130Ile in snake DNases I contributes to the acquisition of thermal stability A clue to the molecular evolutionary mechanism from cold-blooded to warm-blooded vertebrates docx

Tài liệu Báo cáo khoa học: A single amino acid substitution of Leu130Ile in snake DNases I contributes to the acquisition of thermal stability A clue to the molecular evolutionary mechanism from cold-blooded to warm-blooded vertebrates docx

... filtration and SDS/PAGE analysis showed that E. quadrivirgata DNaseIhadamolecularmassof35kDa.ItspH optimum of 7.5 was higher than those of mammalian enzymes [4,5,7,15–17] and lower than those of amphibia (pH ... tissues of E. quadrivirgata (B). (A1 ) Purified DNase I (about 1 lg) from human urine (lane 1), E. quadrivirgata pancreas (lane 2), E. climacophora pancreas (lane 3) and A. blo...

Ngày tải lên: 20/02/2014, 23:20

8 500 0
Từ khóa:
w