... electric field E has only x-component and the magnetic field B has only y-component These components vary in t and z sinusoidally • The fields E and B must be perpendicular to each other and to ... close connection between changing eletric fields and magnetic fields They can create each other and form a system of electromagnetic fields Electromagnetic fields can propagate in the space (vacuum ... oscillating currents and voltages They are sources for electromagnetic fields 4/8/2008 §1 Oscillating circuits: 1.1 L-C circuits and electrical oscillations: • Consider the RC and LC series circuits...
Ngày tải lên: 21/12/2013, 03:15
Ngày tải lên: 07/08/2014, 20:23
Effects of combined mechanical and pulsed electromagnetic field stimulations on the osteogenesis of bone marrow stem cells
... currently being used, namely pulsed electromagnetic field (PEMF) and low intensity pulsed ultrasounds (LIPUS) These methods represent a generally non-invasive, safe approach and there are many studies ... applications: pulsed electromagnetic fields (PEMF) and combined magnetic fields (CMF) [12] Ultrasound (US) was approved by FDA in 1994 in the United States for treatment of fresh fracture healing, and ... ALP showed a rise between day and 7, peaked at day and followed by a drop in day 14 and 21 ALP in xii OST group was significantly higher than CTRL group in day and 21 There was a sharp drop in...
Ngày tải lên: 09/09/2015, 17:52
Efficiencies and pollutant emissions from forceddraft biomasspellet semigasifier stoves: Comparison of International and Chinese water boiling test protocols
... (the Chinese WBT) commonly used in China in time control, water temperature, and parameter calculation and description (Water Boiling Test, WBT Version 4.1.2, 2009; Chinese Water Boiling Test, ... The International and Chinese WBT protocols are different in the operation procedure and calculation Three test phases including cold start, hot start, and simmer phases are tested in the International ... protocol, there is only one test phase (Chinese Water Boiling Test, WBT, 2008) Once fuel is ignited, the pot with L of water and lid is put onto the stove, and the test starts When the water temperature...
Ngày tải lên: 29/07/2016, 14:03
Test and matrix
... the Social and Literature Science University in Ho Chi Minh City Every day I must study English at school and English Center I think English is a very popular language in the world and also a ... nowadays And I think it will be necessary for my job in the future Therefore I must try my best to study it I need to improve my listening and speaking I hope I can speak English well And I think ... said she could speak Chinese 2/ Lan asked Jackson if he came from Australia 3/ She asked me What I would that night 4/ She said she was going to Thailand the following week and she would phone...
Ngày tải lên: 04/09/2013, 20:10
Genotoxicity of 255 chemicals in the Salmonella microsome test (Ames test) and 8-hydroxyguanine (8-OH-Gua) assay for the detection of carcinogens
... are tested with S9mix using TA98 and YG1041 2-Nitronaphthalene, 2,4-dinitrotoluen and 4-nitroquinoline N -oxide (4-NQO) are tested without S9mix, 2-aminoanthracene and benzo[a]pyrene are tested ... in Ames test using S Typhimurium YG starins (1041, 1042) and their host TA strains (98, 100) 2-Nitrofluoranthene, 1-nitropyrene and 1,8-dinitropyrene are tested without S9mix, Glu-P-1 and Trp-P-2 ... method) and 0.01-10mM (ELISA method) - 29 - Conclusions Of 255 chemicals tested, 83 chemicals (32.5%) were mutagenic in the Ames test using YG1041, YG1042, YG3003 and/ or YG7108 strain, and 21...
Ngày tải lên: 05/09/2013, 08:40
Ecological Assessment of Water Quality by Three-species Acute Toxicity Test and GC/MS Analysis - A Case Study of Agricultural Drains
... Co-operation and Development (OECD), Test No 201: Alga, Growth Inhibition Test (2006); Test No 202: Daphnia sp Acute Immobilisation Test (2004); Test No 203: Fish, Acute Toxicity Test (1992) OECD ... ecotoxicity test results among each test species, and a high ecotoxicity tendency to daphnia was observed compared to those of algae and fish in the surveyed urban area On the other hand, the ecotoxicity ... Co-operation and Development (OECD-TG) (OECD, 2006; 2004; 1992) The ecotoxicity tests used in this study are summarized in Table Table - Ecotoxicity tests used Test species Exposure time Feeding of food...
Ngày tải lên: 05/09/2013, 10:15
Tài liệu FIELD INTENSITY and POWER DENSITY doc
... frequency and antenna gain and is related to AF as shown in Section 4-12 SAMPLE CALCULATIONS Section 4-2 provides sample calculations using power density and power terms from Table and Table ... terms from Table and Table 2, whereas Section 4-12 uses these terms plus field intensity and voltage terms from Table and Table Refer the examples in Section 4-12 for usage of the conversions ... receiving antenna Conversion Between Field Intensity (Table 1) and Power Received (Table 2) Power received (watts or milliwatts) can be expressed in terms of field intensity (volts/meter or µv/meter)...
Ngày tải lên: 12/12/2013, 09:15
Speaking test and some application to vietnamese high school pupil = kiểm tra kỹ năng nói và một số ứng dụng đối với học sinh PTTH ở việt nam
... both testers & testees, a successful test may need a tactful and flexible adjustment to accomplish an oral test successfully Chapter 2: Techniques for speaking tests 2.I What we test? 2.1.1: testing ... implemented through system of test types: 15-minute test; 45-minute test; mid-term test; and end-of-term test etc Here, partly due to general characteristics of test and partly due to the thesis ... ideas both for and against test The first tendency considers tests as not necessary for it takes so much time and effort of both teachers and students Moreover tests also cause tense and can not...
Ngày tải lên: 20/12/2013, 18:33
iec 60079-15 electrical apparatus for explosive gas atmospheres - construction, test and marking of type of protection n electrical apparatus
... 33.4 Test for enclosed-break devices and non-incendive components 131 33.5 Tests for sealed devices and encapsulated devices 133 33.6 Assessment and test of energy-limited apparatus and ... (all parts), Lamp caps and holders together with gauges for the control of interchangeability and safety IEC 60068-2-27:1987, Environmental testing Part 2: Tests Test Ea and guidance: Shock IEC ... on all questions concerning standardization in the electrical and electronic fields To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,...
Ngày tải lên: 25/12/2013, 10:42
Tài liệu Toefl - Test And Score Manual docx
... techniques and uses of measurement, human learning and behavior, and educational development and policy formation It develops and administers tests, registers examinees, and operates test centers ... scores, describes the test format, explains the operation of the testing program, and discusses program research activities and new testing developments This edition of the Test and Score Manual updates ... offered: a General Test and Subject Tests in 16 disciplines ETS develops the tests, maintains test centers in the United States and other countries, scores the answer sheets, and sends score reports...
Ngày tải lên: 17/01/2014, 05:20
PHƯƠNG PHÁP SỬ DỤNG KÍCH THÍCH XUNG ĐIỆN TRƯỜNG PEF (PULSED ELECTRIC FIELD) TRONG CÔNG NGHỆ CHẾ BIẾN SỮA
... Islam Microorganism Inactivation by Nanosecond Pulsed Electric Fields: Full-wave Analysis and Experiment International Conference on Food Engineering and Biotechnology IPCBEE vol.9 (2011) IACSIT ... thermal and pulsed electric field treatment of milk Journal of Applied Microbiology ISSN 1364-5072 2008 [2] F Noci, M Walkling-Ribeiro, D.A Cronin, D.J Morgan, J.G Lyng Effect of thermosonication, pulsed ... 61004021 Pulsed Electric Field in dairy processing microbial inactivation 2013 TÀI LIỆU THAM KHẢO: [1] M Walkling-Ribeiro, F Noci, D.A Cronin, J.G Lyng and D.J Morgan Antimicrobial effect and shelf-life...
Ngày tải lên: 13/02/2014, 10:30
Tài liệu Field Hospital and Flying Column doc
... chloroform and all kinds of medical supplies, and especially (even worse in one way) very short of hospital linen such as sheets and towels and shirts and drawers, and we had the greatest difficulty ... wilder, with rocks and trees and sand and an occasional glimpse of lake At that time Sweden was supposed to bear little good-will towards England, and certainly our reception in that land was distinctly ... of cotton-wool, bandages and dressings, anæsthetics, field sterilizer, operating-theatre equipment, and a certain amount of stores such as soap, candles, benzine and tinned food as the column...
Ngày tải lên: 18/02/2014, 08:20
Tài liệu C++ Lab 7 Post-Test and ested Loops pdf
... for-loop You can see how simple it is to implement this using a for loop, because they both (inner and outer) are counter-controlled Program 7-4 #include #include using namespace ...
Ngày tải lên: 20/02/2014, 08:20
Báo cáo khoa học: "Reduced n-gram models for English and Chinese corpora" ppt
... Sicilia-Garcia, Ji Ming and Francis J Smith 2003 Extension of Zipf’s Law to Word and Character N-Grams for English and Chinese CLCLP, 8(1):77-102 Le Q Ha, Rowan Seymour, Philip Hanna and Francis J Smith ... model, and at the same time improve both the test- set perplexity and recognition performance They also reduced the size of the model by an additional 8% Other related work are those of Seymore and ... et al (2002) WSJ reduced bigram, trigram, 4-gram and and the most common WSJ reduced unigrams, 5-gram curves become almost parallel and bigrams and trigrams are shown in Table It straight, with...
Ngày tải lên: 23/03/2014, 18:20
enhanced oil recovery field planning and development strategies
... many fields were evaluated, and improvements to our methods soon followed Two Questa junior colleagues and collaborators, Mehdi Izadi and Curtis Kitchen, patiently generated modeling data and tested ... RDPs of mature fields On the other hand, reservoir development plans for heavy and extraheavy crude oil reservoirs, including oil sands, generally differ from those of medium and light crude ... SIMULATIONS AND SIMULATION OPTIONS of the Integrated Laboratory Field (IFL) were posed to gain insight and to give more meaning to the exercise for this field As far as the results of the WAG pilot test...
Ngày tải lên: 02/04/2014, 16:04
petroleum engineer’s guide to oil field chemicals and fluids
... or builders in such areas as drilling muds and fluids, concrete and mortar additives, foundry and molding sands, and compacting agents for gravel and sand, as well as cosmetics Most bentonites ... into the shale, Changes in stress and strain, which occur during the interaction of shale and filtrate, and Softening and erosion, caused by invasion of mud filtrate and consequent chemical changes ... acid, Austin and Morpeth (1992) Hydroxamic acidc Austin and Morpeth (1992) 1,2-Benzoisothiazolin-3-one Morpeth and Greenhalgh (1990) 3-(3,4-Dichlorophenyl)1,1-dimethylurea Morpeth and Greenhalgh...
Ngày tải lên: 02/04/2014, 16:06
bailin d., love a. cosmology in gauge field theory and string theory
... Nuno Antunes, Mar Bastero-Gil, Ed Copeland, Beatriz de Carlos, Mark Hindmarsh, George Kraniotis, Andrew Liddle, Andr´ Lukas and Paul Saffin for the particle and cosmological physics that we e have ... the Chandrasekhar limit and the supernova is born after the explosion The intrinsic luminosity of such supernovae is considered to be a constant That is, they are taken as standard candles and ... small and λ º e4 , then λ4 is negligible compared to e4 and B simplifies to 3e4 (2.65) B 64π With the mass-squared matrices of (2.40) and (2.41) for the (shifted) scalar and vector fields, and not...
Ngày tải lên: 24/04/2014, 17:06
oracle adf enterprise application development - made simple [electronic resource] successfully plan, develop, test, and deploy applications with oracle adf
... Chapter 7: Testing your Application Initial tests Working with JUnit What to test with JUnit A good unit test Unit testing ADF applications Preparing for unit testing Setting up a test project ... default testing 213 213 214 214 215 215 216 216 217 Real unit testing example 221 Adding a test case 221 Implementing the logical delete 224 Re-testing 226 Automating unit testing User interface tests ... read and search across Packt's entire library of books. Why Subscribe? • Fully searchable across every book published by Packt • Copy and paste, print and bookmark content • On demand and accessible...
Ngày tải lên: 31/05/2014, 01:08