... for example, in three of the four quadrants of the i-v characteristic and can therefore act as sources of energy for specific combinations of voltages and currents An example of this dual behavior ... Volt-ampere characteristic of a tungsten light bulb i 1 v i-v characteristic of a 3-A current source i 1 v i-v characteristic of a 6-V voltage source Figure 2.19 i-v characteristics of ideal sources ... supplies a total of 10 mW to the three elements shown and i1 = mA and i2 = 1.5 mA, what is the current i3 ? If i1 = mA and i3 = 1.5 mA, what is i2 ? 2.5 CIRCUIT ELEMENTS AND THEIR i-v CHARACTERISTICS...
Ngày tải lên: 19/01/2014, 19:20
Ngày tải lên: 13/02/2014, 12:20
Tài liệu GUIDELINES FOR THE PRODUCTION, PROCESSING, LABELLING AND MARKETING OF ORGANICALLY PRODUCED FOODS pdf
... history of the land, and type of crops and livestock to be produced The concept of close contact between the consumer and the producer is a long established practice Greater market demand, the ... considered and only for the extraction of carriers and binders; 13 and – their use does not have a harmful impact on the balance of the soil ecosystem or the physical characteristics of the soil, ... sleeping areas of a size and number commensurate with the species and size of the group and of the birds and exit/entry holes of an adequate size must be provided 48 In the case of laying hens,...
Ngày tải lên: 18/02/2014, 07:20
Tài liệu Ownership of Mutual Funds, Shareholder Sentiment, and Use of the Internet, 2011 pdf
... 64 65 or older Age of head of household 1 Age is based on the age of the sole or co-decisionmaker for household saving and investing For the complete time series of data from 1994 through 2011, ... characteristics of mutual fund–owning households in 2011, see “Characteristics of Mutual Fund Investors, 2011,” ICI Research Perspective 17, no (October), available at www.ici.org /pdf/ per17-06 .pdf ... Contact with advisers within the past 12 months 8% Shareholder initiated contact only 50 83% Both adviser and shareholder initiated contact 50 2% No contact at all 7% Adviser initiated contact...
Ngày tải lên: 19/02/2014, 09:20
Tài liệu Ownership of Mutual Funds, Shareholder Sentiment, and Use of the Internet, 2012 pdf
... 64 65 or older Age of head of household1 Age is based on the age of the sole or co-decisionmaker for household saving and investing For the complete time series of data from 1994 through 2012, ... characteristics of mutual fund–owning households in 2012, see “Characteristics of Mutual Fund Investors, 2012,” ICI Research Perspective 18, no (November), available at www.ici.org /pdf/ per18-07 .pdf ... 35 and 64 Percent distribution of U.S households owning mutual funds and all U.S households by age, 1994 2012 Share of U.S households Younger than 35 35 to 44 45 to 54 55 to 64 65 or older 1994...
Ngày tải lên: 19/02/2014, 09:20
Tài liệu Báo cáo khoa học: "Accumulation of Lexical Sets: Acquisition of Dictionary Resources and Production of New Lexical Sets" pdf
... model of CLOS) Finally, the values of the output variables of the left-hand side nonterminal (aol, ao2 ) are collected and returned as the result of its expanding With some predefined action ... and work will be needed to verify the usefulness and practicality of o u r lexical system design, of which the essential idea is the combinatorial and dynamic elaboration o f lexical groups and ... information types and the number of set components in its entry structure For example, an English-French dictionary whose entries consist of an English headword, a part -of- speech, and a set of French...
Ngày tải lên: 20/02/2014, 18:20
Tài liệu Báo cáo khoa học: "The Structure and Process of Talking About Doing" pdf
... study of problem solving action and report: I) the collected of data on problem solving and talk about problem solving, 2) development of a process model of these behaviors, and 3) use of coding ... problem solving from a record of the problem solving report and a record of moves made Then, we use this extracted trace to evaluate our model of the role of point of view in problem solving SUMMARY ... a i r l y r i e h ~nSereoSien between motion and report o~ aot~cn, mioh we w i l l doeorihe %n our report OF our prel~m~ary proaese node/, of doing and ohm name tank Than %e t h e evaluatAon e...
Ngày tải lên: 21/02/2014, 20:20
Báo cáo khoa học: "Translation and Extension of Concepts Across Languages" pdf
... source (60%) for of ine translation These links include translation of Wikipedia terms into dozens of languages The main advantage of using Wikipedia is its wide coverage of concepts and languages ... Both deal with information extracted from a set of languages However, the majority of CLIR studies pursue different targets One of the main CLIR goals is the retrieval of documents based on explicit ... Infix may contain punctuation, spaces, and up to Limmwe × words Prefix and Postfix are limited to contain punctuation characters and/ or Limmwe words Terms of the same concept frequently co-appear...
Ngày tải lên: 08/03/2014, 21:20
Báo cáo Y học: Trehalose-phosphate synthase of Mycobacterium tuberculosis Cloning, expression and properties of the recombinant enzyme pdf
... M) of NH4HCO3 An aliquot of each fraction was removed and assayed for its radioactive content The radioactive peak was pooled and concentrated to dryness a number of times in the presence of ... detected and quantified by coupling the conversion of phosphoenolpyruvate to pyruvate by pyruvate kinase, and the conversion of pyruvate to lactate by lactate dehydrogenase In this final reaction, ... the cloning and expression of the M tuberculosis tps gene in E coli, and the production of active TPS in these cells The properties of the recombinant enzyme have been determined, and are compared...
Ngày tải lên: 17/03/2014, 10:20
Báo cáo khoa học: Expression of the Pycnoporus cinnabarinus laccase gene in Aspergillus niger and characterization of the recombinant enzyme pdf
... mL of a linear NaCl gradient (0–500 mM in buffer A) at a flow rate of mLÆmin)1 and collected with fractions of mL Laccase activity was eluted (3 mL) with fractions corresponding to 350 mM NaCl and ... recovery of 16%, yielding 6.3 mg of laccase Molecular mass and isoelectric point The homogeneity of the laccase was checked on an SDS/polyacrylamide gel and the electrophoresis shows a single band of ... of temperature and pH on laccase activity Studies of the recombinant laccase showed an optimal activity between 65 °C and 70 °C (Fig 7) Testing the laccase activity between pH 2.5 and using syringaldazine...
Ngày tải lên: 17/03/2014, 11:20
Theory and Design of Air Cushion Craft pdf
... Design and analysis of ACV and SES skirts 7.1 Introduction 7.2 Development and state of the art skirt configuration 7.3 Static geometry and analysis of forces acting on skirts 7.4 Geometry and analysis ... method for stability of ACV and SES on cushion, and not stability of hovercraft while floating off cushion With respect to the design of machinery and propulsion systems of ACV and SES, for instance, ... increased, taking advantage of the rapid development of internal combustion engines Aeroplane flying speed has increased by a factor of 10, and the automobile by a factor of three In contrast, the...
Ngày tải lên: 22/03/2014, 13:20
How Teens Use Media - A Nielsen report on the myths and realities of teen media trends pdf
... between teen and adult time spent is less an indication of lackluster interest and more a function of access Unlike adults, many of whom spend hours of the work day with a broadband Internet ... participants spent 40% of their waking day in school activities, 19% with media and the rest with a wide variety of non-media extracurricular and home activities Given the reality of a typical teenager’s ... behind 50% of China’s mobile teens, in terms of mobile Internet penetration With all of this expanding mobile activity, schools and parents are stepping in to set parameters Sixty-two percent of U.S...
Ngày tải lên: 23/03/2014, 03:20
A reference guide to inflation-linked bonds the nuts and bolts of fixed income managemen pdf
... can and change; they can be volatile just as the yields of conventional bonds are volatile Real yields are influenced by many factors, including fiscal and monetary policy, supply and demand, ... Relative valuation 0.29 MSCI EAFE Barclays US Aggregate Supply and • Liquidity factors demand • Risk appetites dynamics • Supply and demand pressures on swaps S&P 500 35 GSCI S&P 500 US Nominals ... price of goods and services Inflation risk premium The additional yield that bond buyers demand to take on the risk of inflation Please contact your relationship management team to obtain a copy of...
Ngày tải lên: 29/03/2014, 03:20
Rheological heterogeneity, mechanical anisotropy and deformation of the continental lithosphere pdf
... extensively deformed, Molnar and Tapponnier (1981) first suggested a dependence of the intensity and style of active tectonics on the age of the last orogenic activity in Asia, and hence on the strength ... orientation of the [010] and [100] axes of olivine, respectively perpendicular and close to the strike of the orogen (Mainprice and Silver, 1993) These measurements hint at the existence of a crystallographic ... press) As a matter of fact, during a tectonic event, the deformation of the lithosphere is certainly the result of an interaction between the internal structure of the plate and the external forces...
Ngày tải lên: 31/03/2014, 23:20
Báo cáo sinh học: " Development of a real-time RT-PCR and Reverse Line probe Hybridisation assay for the routine detection and genotyping of Noroviruses in Ireland" pdf
... The reaction contained µl of cDNA from the RT reaction, µl of 10× PCR Buffer, 1.5 mM MgCl2, µl of 10 mM each of dATP, dCTP, dGTP, and dTTP per reaction, µM each of primers and 2.5 units of Platinum ... final reaction volume of 20 µl containing 0.5 µl of cDNA, µl of SYBR green Mastermix, 2.8 µl of 25 mM MgCl2 (3.5 mM), µl of each primer (0.6 µM) and 12.7 µl of PCR grade water The reaction was ... kit (Invitrogen™) to a final volume of 20 µl 10 µl of extracted RNA and µl of 75 pmole random hexamers (Roche) are added to a 0.5 ml PCR reaction tube, mixed and heated to 95°C for A master-mix...
Ngày tải lên: 18/06/2014, 18:20
Integrated Assessment of Health and Sustainability of Agroecosystems - Chapter 7 pdf
Ngày tải lên: 18/06/2014, 19:20
Integrated Assessment of Health and Sustainability of Agroecosystems - Chapter 9 pdf
Ngày tải lên: 18/06/2014, 19:20
Báo cáo hóa học: " Identification of a contemporary human parechovirus type 1 by VIDISCA and characterisation of its full genome" pdf
Ngày tải lên: 20/06/2014, 01:20
báo cáo hóa học:" The detection, treatment, and biology of epithelial ovarian cancer" pdf
Ngày tải lên: 20/06/2014, 07:20