Ngày tải lên: 19/08/2013, 09:15
Tài liệu Onomatopoeia in Spoken and Written English: Corpus- and Usage-based Analysis pot
... bustling to and fro of her and her maids. d. Noises of the hammering of rivets, and the dumping down of huge sheets of metal. e. The flattering of court parasites. f. With a flickering of mellowed ... 51)). 2. 3 Tamori and Schourup (1999) Tamori and Schourup (1999) is the most extensive study about grammatical features of English/ Japanese onomatopoeia and the gra...
Ngày tải lên: 24/02/2014, 18:20
Tài liệu Teaching and learning english part 10 docx
... important and useful for the students, more over student of English to improve their English. In this short paper we are going to discuss the history of radio, the uses of radio, and how the ... where the frequencies of the voice add and subtract with the main radio frequency. SSB cuts the bandwidth in half by suppressing the carrier and (usually) lower sideband. This a...
Ngày tải lên: 15/12/2013, 09:15
Micromachining Techniques for Fabrication of Micro and Nano Structures Part 6 docx
... Fig. 14. SEM images of trenches laser micromachined at different focus offset planes: (a) small offset of 300 μm; (b) optimal offset of 450 μm; (c) large offset of 600 μm. The pulse energy, ... Su-Sir, and Jeng Ming-Jer 2001 Etching selectivity and surface profile of GaN in the Ni, SiO 2 and photoresist masks using an inductively coupled plasma. Japanese Journal of A...
Ngày tải lên: 21/06/2014, 02:20
Micromachining Techniques for Fabrication of Micro and Nano Structures Part 7 docx
... Gaussian beam profile, (b) overlapping of Gaussian profile to generate ‘top-hat’, and (c) 'Top-hat' beam profile. Micromachining Techniques for Fabrication of Micro and Nano Structures ... cost and speed of excimer laser could be an issue from the production point of view at this stage of the deployment, other lasers such as UV Nd:YAG and CO 2 can offer both...
Ngày tải lên: 21/06/2014, 02:20
Micromachining Techniques for Fabrication of Micro and Nano Structures Part 9 docx
... section of a tool consists of a sufficient number of hard particles to guarantee isotropic mechanical properties and long tool lifetime. Hence, submicron tungsten carbide powders with an average particle ... 164 number of advantages like reduced costs due to handling of smaller amounts of liquid, less storage and disposal costs, no hygienic problems due to bacterial contam...
Ngày tải lên: 21/06/2014, 02:20
Micromachining Techniques for Fabrication of Micro and Nano Structures Part 10 docx
... temperature and concentration of the reactive. In particular, the study presented here was made with a concentration of 10% of TMAH and 90% of deionized water at 80°C, from which an etch rate of approximately ... Hitachi with lengths of 1, 2 and 3 mm and a diameter of 0.4 mm. For the first two tools, 36.000 rpm and a feed rate of 1800 mm/min were applied. The inf...
Ngày tải lên: 21/06/2014, 02:20
Micromachining Techniques for Fabrication of Micro and Nano Structures Part 12 docx
... the versatility of waterjet technology very well, and the integration of modern PC-based software and hardware takes full advantage of the technological and manufacturing merits of waterjet technology. ... such as part nesting, low-pressure piercing and cutting for brittle and delicate materials, the resizing of parts, and others. Micromachining Techniques for F...
Ngày tải lên: 21/06/2014, 02:20