Ngày tải lên: 07/09/2013, 13:06
THE POLLUTION PROBLEMS
... soil pollution. The first one is the solid waste which comes from mining operations. It includes direct waste from the mining of minerals and fossil fuels and those associated with the mining ... newspapers may be recycled into newsprint paper, board for packing, and construction materials for roofing and insulation. The benefits of recycling include the following: 1. It reduces waste. ... of hazardous substances. Leading industrialized countries and some leading industrial companies have initiated serious efforts to reduce pollution. 4.7.1. Recycling How to handle society’s...
Ngày tải lên: 03/10/2013, 09:20
Tài liệu 30 Inverse Problems in Array Processing pdf
... assuming that there is no spatial aliasing due to insufficiently spaced sensors. In general, as the angle increases, so does the spatial frequency. It can alsobe deduced thatretaining signals having ... signal. Thisresultsina beamforming algorithmthat will concentrateonmaintaining abeamdirectedtowards the target signal, as opposed to, or in addition to, positioning the nulls as in the case of the ... spaced angles ranging from −90 ◦ to +90 ◦ in unit increments. The interference power is 2.6 dB greater than the desired signal. The resulting interference suppression observed in the array output...
Ngày tải lên: 25/12/2013, 06:16
Tài liệu 32 Inverse Problems in Microphone Arrays docx
... InverseProblemsinMicrophone Arrays A.C.Surendran BellLaboratories LucentTechnologies 32.1Introduction:DereverberationUsingMicrophoneArrays 32.2SimpleDelay-and-SumBeamformers ABriefLookatAdaptiveArrays ã ConstrainedAdaptiveBeam- formingFormulatedasanInverseProblem ã MultipleBeam- forming 32.3MatchedFiltering 32.4DiophantineInverseFilteringUsingtheMultiple Input-Output(MINT)Model 32.5Results SpeakerIdentication 32.6Summary References 32.1 ... we shall discuss single and multiple beamforming, matched filtering, and Diophantine inverse filtering through multiple input-output (MINT) modeling. In all cases we assume that the source location ... be successfully used in “inverting” room acoustics. A simple single beam- former is not effective in combating room reverberation, especially in the presence of interfering noise sources. Adaptive...
Ngày tải lên: 25/12/2013, 06:16
vnode - A Validated Solver for Initial Value Problems in Ordinary Differential Equations
... 45. The main program is integi.cc 45 ≡ 45 #include <fstream> #include "vnode.h" using namespace std; using namespace vnodelp; Lorenz 19 int main ( ) { set interval initial ... ry LDFLAGS linker flags I PACKAGE FILIB VNODE or PROFIL VNODE I INCLUDE name of the directory containing include files of the interval-arithmetic package I LIBDIR name of the directory containing interval ... out- put. Since VNODE-LP includes all possible errors in its computation, including conversion errors in the input from decimal to binary, we have bounds on the true solution at t = 20. Using these...
Ngày tải lên: 12/01/2014, 22:07
Tài liệu Đề bài tập trong sách 200 Puzzling Problems in Physics docx
... !"# Đ bi tp trong sch 200 Puzzling Problems in Physics Bi 82:$%!&!' ())*!+ %!,-%.//01!2 !3!&!'...
Ngày tải lên: 19/01/2014, 10:20
A CASE STUDY ON COMMON PROBLEMS IN LEARNING BUSINESS ENGLISH VOCABUALRY IN THE BOOK “BUSINESS BASICS” FACED BY THE 1ST YEAR STUDENTS AT VIETNAM UNIVERSITY OF COMMERCE, AND SOME SUGGESTED SOLUTIONS
... (people in business, talking about your company, and company facts and figures), preparing a trip (choosing a hotel, flying out, arriving) , away on business (finding your way, going out, and eating ... activities of listening, speaking, reading, and writing. - It is very interesting that when working with this book, students are given chances to practise English in actual situations in the form of ... This kind of test has much to do with vocabulary, and includes 4 parts presented in the following order: Gap-filling (10 points), word forms (10 points), reading comprehension (10 points),...
Ngày tải lên: 29/01/2014, 00:23
Tài liệu A Women’s Health Intervention for Gynecological Problems in the Deployed Environment ppt
... measures to urinate ã Dehydration (not drinking fluids to prevent urination) 2. Vaginal symptoms: Itching, burning, pain, & discharge 3. Menstrual complaints: Pain, heavy bleeding, missed ... decrease in genitourinary complaints during deployment? ã Specific Aims To increase knowledge level about feminine hygiene in the deployed environment deployed environment To determine the ... Women in the Military Pre-deployment Intervention ã 30 min class on feminine self- care, and prevention of UTI, vaginitis & menstrual vaginitis , & menstrual symptoms ã Feminine...
Ngày tải lên: 13/02/2014, 07:20
Tài liệu Khám Phá Cảnh Đẹp Của Puerto Rico ppt
... Punta Higuero ở Rincon rất thu hút khách du lịch vì đây là nơi họ có thể quan sát cuộc di cư của những đàn cá heo lưng gù hàng năm. Khám Phá Cảnh Đẹp Của Puerto Rico Puerto Rico nổi tiếng ... nổi tiếng với những tấm bia mộ được khắc tinh xảo. Đây là nơi yên nghỉ của những người đầu tiên đến Puerto Rico. Du lịch là một trong những ngành kinh tế trọng điểm của đất nước vùng biển Caribê ... đài này được công nhận là Di sản Văn hóa thế giới. Mỗi năm, địa điểm du lịch nổi tiếng của Puerto Rico thu hút hơn 2 triệu khách đến thăm quan. Những ngôi nhà ở San Juan đều có tuổi thọ...
Ngày tải lên: 24/02/2014, 17:20
Solved Problems in Classical Mechanics potx
... there is an uncertainty ∆v 0 in the initial velocity v 0 . Determine the corresponding uncertainty ∆x in the position of the particle after a time t. Solution In between the instants of reflection, ... walls: determinism has changed into complete indeterminism. (iii) It is only in the ideal (and unattainable) case ∆v 0 =0(i.e. the initial velocity is known exactly) that deterministic motion persists indefinitely. (iv) ... Solved Problems in Classical Mechanics v 0 >v c sin φ x(t) t v 0 >v c sin φ v 0 v(t) t Comments (i) This question illustrates again the sensitivity to initial conditions that can be present in...
Ngày tải lên: 05/03/2014, 13:20
Women''''s Health Problems in Pakistan pot
... grouping, Haemoglobin Estimation, ESR, urine screening for sugar and albuminurea, urine routine examination, screenings for Hepatitis-B, Hepatitis-C and HIV/AIDS. I had some savings from my clinic's ... or scinti-mammography. Before starting the work, it was necessary to have some insight into the prevalence and magnitude of the most pressing health problems of women living in Shamsabad. ... data, in a very crowded free camp held in my clinic on the second Sunday of July, 2000. The main problems were: 1) Vaginal discharge 2) Unwanted pregnancies in married women 3) Breast Problems...
Ngày tải lên: 05/03/2014, 15:20
PROBLEMS IN ESTIMATING THE BURDEN OF PULMONARY TUBERCULOSIS IN INDIA: A REVIEW pot
... taken into cognisance the findings of most of the surveys wherein X-ray was the initial screening tool. They had chosen to ignore the findings of surveys, wherein the initial screening was ... the populations investigated in each survey for finally arriving at an estimate of both C+ and X+ cases. However, not considering the findings of surveys wherein the initial investigation tool ... burden in India 4 . It is presently intended to discuss some of the problems here, in arriving at the estimate of the tuberculosis burden in the country. As has been brought out in an earlier...
Ngày tải lên: 06/03/2014, 04:20
The Most Common Inpatient Problems in Internal Medicine pdf
... (S 3 in left- sided HF and S 4 in patients with in- creased resistance to ventricular filling), pulmonary crackles, wheezing, pleural effusion, and pitting edema. 6. Initial testing should include ... Chest x-ray findings of HF may be obscured or distorted if there is underlying lung disease, and findings may be absent in patients with chronic HF. 23 lung disease in patients presenting to the ... often been frustratingly difficult to acquire from other sources. Until now. Our book, The Most Common Inpatient Problems in Internal Medicine, provides practical and pertinent information for the...
Ngày tải lên: 06/03/2014, 12:20
WATER POLLUTION EMERGENCIES IN CHINA: Prevention and Response docx
... of river pollution incidents in recent years in China, including the high profile Songhua River toxic chemical spill in November 2005, and drinking water source pollution by algae in the Tai ... and maintain comprehensive inventories of all chemicals and pollution sources containing information consistent with international standards. SAWS and SEPA are currently developing inventories. ... right to be informed of the final investigation results. 17 and consumers in producing, transporting, storing, and using toxic materials, effective incentive mechanisms, in the form...
Ngày tải lên: 06/03/2014, 16:20
Reservoir operation schemes for water pollution accidents in Yangtze River pdf
... power. The 2009 Symposium of China Hydropower Engineering Society, Information Special Committee, 243-249. Beijing: China Society for Hydropower Engineering. (in Chinese) Yu, X. M., Wang, C., ... Hydraulic Institute. Fu, W. J., Fu, H. J., Scott, K., and Yang, M. 2008. Modeling the spill in the Songhua River after the explosion in the petrochemical plant in Jilin. Environmental Science and Pollution ... uncertainty. (3) Since the emergency monitoring data are insufficient, the validation of model is inadequate. References Begnudelli, L., and Sanders, B. F. 2006. Unstructured grid finite-volume...
Ngày tải lên: 06/03/2014, 23:20
Why Markets Could (But Don’t Currently) Solve Resource Allocation Problems in Systems pot
Ngày tải lên: 07/03/2014, 17:20
Báo cáo khoa học: "Some Problems in the Mechanical Translation of German" pdf
Ngày tải lên: 07/03/2014, 18:20