... on Descriptors based on physiography: Generalized regions according to the structure and characteristics of its landforms, each of which is kept as homogenous as possible and has dominant characteristics, ... slope (and relief ) as the main terrain descriptor for DTM purposes can be justified for the following reasons: Traditionally, slope has been recognized as very important and used in surveying and ... between and 2, and that of a surface between and The fractal dimension is calculated as follows: L = C × r 1−D (2.2a) where r is the scale of measurement (a principal unit), L is the length of measurement,...
Ngày tải lên: 11/08/2014, 17:20
... thuật thông tin này, em xin trình bày đề tài định tuyến gán bước sóng mạng WDM (Routing and Wavelength Assignment) Đồ án chia thành bốn chương: Chương 1: Tổng quan hệ thống thông tin quang ... nghệ giảm suy hao truyền dẫn, tăng dải thông, Laser bán dẫn… phát triển thành công năm 70, độ tổn thất suy hao giảm đến 0.18dB/km Hơn năm 70, Laser bán dẫn có khả thực dao động liên tục chế tạo, ... tuyến phương pháp gán bước sóng mạng WDM 3.2 Giới thiệu định tuyến gán bước sóng (Routing and Wavelength Assignment - RWA) Khi lightpath chọn xác định, lightpath cần định tuyến gán bước sóng cho...
Ngày tải lên: 15/03/2014, 16:20
Routing and Wavelength Assignment in Optical WDM Networks ppt
... probability, and has the additional advantage of being easier and less expensive to implement Multicast Routing and Wavelength Assignment In Sections and 3, we considered static and dynamic RWA ... some random fashion Sections and discuss the static and dynamic versions, respectively, of the RWA problem, and present some algorithms to solve them Finally, Section presents the multicast RWA ... of decreasing traffic demands as long as the wavelength continuity and distinct wavelength constraints are satisfied This algorithm starts with a logical topology with no links (lightpaths) and sequentially...
Ngày tải lên: 06/08/2014, 00:21
Routing and Wavelength Assignment in Optical WDM Networks phần 1 pot
... path) and wavelength assignment (allocating an available wavelength for the connection) The resulting problem is referred to as the routing and wavelength assignment (RWA) problem [5], and is ... some random fashion Sections and discuss the static and dynamic versions, respectively, of the RWA problem, and present some algorithms to solve them Finally, Section presents the multicast RWA ... of decreasing traffic demands as long as the wavelength continuity and distinct wavelength constraints are satisfied This algorithm starts with a logical topology with no links (lightpaths) and sequentially...
Ngày tải lên: 06/08/2014, 00:21
Routing and Wavelength Assignment in Optical WDM Networks phần 2 pps
... probability, and has the additional advantage of being easier and less expensive to implement Multicast Routing and Wavelength Assignment In Sections and 3, we considered static and dynamic RWA ... established as long as at least one wavelength is free at each link and different wavelengths can be used in different links, the order in which wavelengths are assigned is not important On the other hand, ... least to most congested) In most practical cases, the candidate paths for a request are considered in increasing order of path length Path length is typically defined as the sum of the weights assigned...
Ngày tải lên: 06/08/2014, 00:21
Application pillar dam and movable caisson dam technology in building barrier construction to prevent sea water rising and improving flood relief at estuary rivers.
... by increasing demand of water using at upstream of Red and Cuu Long rivers On other hand, the climate on the earth is hotter and hotter, thaw on North Pole, sea water level rises high, and it ... in Bac Lieu province as one example on its price of billions VND for traditional method and only 2.3 billions for caisson dam technology - The method has both of science and economic significances ... concrete - Quick construction, reducing land area occupied by project site - Stable project and easy in O & M work - Movable caisson dam can be manufactured and erected according to technology nature...
Ngày tải lên: 01/04/2013, 22:46
Modelling and verification of single slope solar still using ANSYS-CFX
... channel with flasks cover as well as with water level, height of lower vertical side of still was kept as 0.30 m, whereas the height of higher vertical side was kept 0.85 m The effective basin area ... that, as the process begins at am by passing time, water starts warming up due to increase in solar insolation and formation of vapor as well as distillate water production starts and increases ... integrated sandy heat reservoir increases significantly productivity of solar still during nights as well as cloudy days conditions, and it does not require any pumping element as well as operators...
Ngày tải lên: 05/09/2013, 15:28
selection and sizing of pressure relief valves
... (Kd) based on required ASME capacity certification testing In some cases, the variable Kp may be absent The gas and vapor formula presented is based on perfect gas laws Many real gases and vapors, ... determined that some two-phase flow is actually three phase, i.e solid, liquid, and gas flow Because two phase flow generally has a decreased flow capacity compared to single phase flow, greater relief ... the code has now evolved into the present eleven section document, with multiple subdivisions, parts, subsections, and mandatory and non-mandatory appendices The ASME Code Symbol Stamp and the...
Ngày tải lên: 11/01/2014, 15:10
Tài liệu Working sheet for tax credit relief for Gift Aid donations, pension contributions and trading losses pptx
... Helen is employed by ABC Holding. Her P60 shows that she earned £18,870 (before tax and other deductions) in 201112. She handles all the paperwork at home, so when she filled in the tax credits claim form she gave her details for ‘You’ and her husband Derek’s details for ‘Your Partner’ ... part of the loss arises from capital allowances or from agricultural land, that part of the loss may be set against other income which you (but not your spouse or partner) may have, either in the tax year in which the loss was made or in the following tax ... may have, either in the tax year in which the loss was made or in the following tax year In such cases, the amount of loss relief available for tax credit purposes is based on your tax calculations. Please see Example 1 opposite Step 2 Deduct the gross amount of any:...
Ngày tải lên: 15/02/2014, 14:20
Tài liệu Disaster relief emergency fund (DREF) ZiThe Time of Our Lives: Life Span Development of Timing and Event Trackingmbabwe: Floods pdf
... defined as the rate that was neither too fast nor too slow, but felt “just right.” Fastest and slowest motor tempi To assess fastest motor tempo, we asked participants to tap as fast as possible ... hypothesis was provided by both unpaced and paced tapping measures During unpaced tapping, young children and older adults were not only unable to tap as fast as other participants (as measured by fast ... Ordering of tasks in the first half hour of a session was as follows: the first SMT task, a 10-min rating task (unrelated to present research), the second SMT task, a survey measure of positive and negative...
Ngày tải lên: 19/02/2014, 18:20
Tài liệu NEW TAX LAW SIMPLIFIED 2011: Tax Relief from the HIRE Act, Health Care Reform, and More doc
... about basic tax rules and strategies, you can find information in J.K Lasser’s Your Income Tax and J.K Lasser’s 1001 Deductions and Tax Breaks To stay alert to tax changes on a regular basis, connect ... advancing certain reforms, such as health care and “green.” As a result, Congress has enacted a number of measures that can impact your taxes for 2010, 2011, and beyond: W r The Hiring Incentives ... housing market in the past several years witnessed unprecedented foreclosures and declines in property values The tax law has been used to stimulate home purchases as well as provide relief for...
Ngày tải lên: 19/02/2014, 22:20
GaN-Based Laser Diodes Towards Longer Wavelengths and Short Pulses pdf
... orientation and polarization switching On the way to short-pulse, short-wavelength laser diodes, the first assumption was that (Al,In)GaN laser diodes operate in a similar way to GaAs- or InP-based devices, ... operation of GaSb-based diode lasers IEEE Photonics Technol Lett 21(23), 1770–1772 (2009) Chapter Light Propagation and Amplification in Laser Diodes from Violet to Green GaN-based laser diodes ... enough to be part of a handheld, battery-powered device such as a cell phone These projectors use red, green, and blue laser diodes and will allow us to share images and presentations wherever...
Ngày tải lên: 22/03/2014, 15:20
iec 60793-1-44 optical fibres - measurement methods and test procedures - cut-off wavelength
... Q1 Please report on ONE STANDARD and ONE STANDARD ONLY Enter the exact number of the standard: (e.g 60601-1-1) Q6 standard is out of date standard is incomplete standard is too academic standard ... fibres: Part 1-40: Measurement methods and test procedures Attenuation Part 1-41: Measurement methods and test procedures Bandwidth Part 1-42: Measurement methods and test procedures Chromatic ... edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incorporating amendment and the base publication incorporating amendments and Informations supplộmentaires...
Ngày tải lên: 04/04/2014, 11:52
Báo cáo sinh học: "Growth and fabrication of InAs/GaSb type II superlattice mid-wavelength infrared photodetectors" pot
... InAs/GaSb SL structure The curve was measured by HRXRD The SL was designed to consist of 12 ML GaSb and ML InAs in each period Figure An AFM topographic scan of an InAs/GaSb SL sample The measured ... temperature was set at 450°C and a V/III ration of 5:1 There are two important issues uniquely associated with InAs/GaSb SL growth: (1) InAs has 0.75% smaller lattice constant than GaSb, and proper ... photodetectors, and InAs/GaSb type II, strained-layer superlattice [SLS] photodetectors The idea of the InAs/GaSb superlattice [SL] was firstly introduced by Sai-Halasz et al in 1977 [1] It was proposed...
Ngày tải lên: 18/06/2014, 22:20
báo cáo hóa học:" Growth and fabrication of InAs/GaSb type II superlattice mid-wavelength infrared photodetectors" potx
... InAs/GaSb SL structure The curve was measured by HRXRD The SL was designed to consist of 12 ML GaSb and ML InAs in each period Figure An AFM topographic scan of an InAs/GaSb SL sample The measured ... temperature was set at 450°C and a V/III ration of 5:1 There are two important issues uniquely associated with InAs/GaSb SL growth: (1) InAs has 0.75% smaller lattice constant than GaSb, and proper ... photodetectors, and InAs/GaSb type II, strained-layer superlattice [SLS] photodetectors The idea of the InAs/GaSb superlattice [SL] was firstly introduced by Sai-Halasz et al in 1977 [1] It was proposed...
Ngày tải lên: 20/06/2014, 04:20
My perfect houseI can now sit back and heave a big sigh of relief ppsx
... wash basin and my little portable waste basket which comes with tight- fitting lid is directly below it The kitchen also offers an extended table attached to the cabinet that can be utilized as ... neat and tidy The drawers can also be converted into a bed when the need arises To conclude, I feel proud and happy that I was able to design and decorate my house so well without the expertise and ... serene and beautiful garden The living room boasts of a dark mahogany sofa set which is complemented by parquet flooring Just a few meters away, I have created a “corner of peace” as I call it; and...
Ngày tải lên: 22/07/2014, 03:21
Báo cáo toán học: "Updown numbers and the initial monomials of the slope variety" ppsx
... Therefore, w is a primitive G-word The proof of assertion (2) is similar The following and last lemma applies only to G-words and has no easy analogue for R-words As mentioned in the earlier footnote, ... G-words and decreasing 012-trees (Theorem 7) and between R-words and decreasing 012-trees (Theorem 8) Our the electronic journal of combinatorics 16 (2009), #R82 constructions are of the same ilk as ... ) Theorem Let n ≥ 2, and let a, b be words such that (a, b) ∈ Sn−1 Then the word (n+2, a, n, b, n+1) ∈ Sn+2 is a primitive G-word if and only if ∈ b and both (n+1, a∗, n) and (n + 1, b, n) are...
Ngày tải lên: 07/08/2014, 21:21
Báo cáo y học: " Maintenance treatment with esomeprazole following initial relief of non-steroidal anti-inflammatory drug-associated upper gastrointestinal symptoms: the NASA2 and SPACE2 studies'''' doc
... sleep disturbance, and food/drink problems was assessed, as was mean change from baseline in the three GSRS dimensions of reflux, abdominal pain, and indigestion Compliance with NSAIDs and with ... Results Of 334 and 276 patients randomly assigned, 328 and 276 patients constituted the intention-to-treat populations for NASA2 and SPACE2, respectively Enrolment for the NASA2 and SPACE2 studies ... abdominal pain and mean of diary cards for the last days were also assessed in terms of baseline values, last values, and change from baseline Each study was planned to include 300 patients in order...
Ngày tải lên: 09/08/2014, 10:20
Rock Slope Engineering Civil and mining 4th edition phần 8 ppsx
... are cut at angles of 43◦ (1.33H:1V) and heights up to m, while massive sandstone and limestone may be excavated at a face angles as steep as 87◦ (1/20H:1V) and heights up to 15 m Figure 12.20 ... slope, and typical regressive behavior as soon as the shovel was pulled back This experience was used to establish the criterion, based on hourly movement readings, that mining would be halted as ... system was re-established which showed that the rate of movement was gradually decreasing, and after a month it was decided to restart mining at the bottom of the pit This decision was also based...
Ngày tải lên: 09/08/2014, 22:23