... Pt Pc – công su t t/h đư c truy n t/h s ng mang • na –ch s u ch , t s biên đ t/h đư c truy n s ng mang • Single sideband (SSB) double sideband suppress carier (DSBSC) • Ưu m – D hi n th c (đi ... biên: Amplitude-Shift Keying (ASK) – Đi u t n: Frequency-Shift Keying (FSK) – Đi u pha: Phase-Shift Keying (PSK) Data Communication and Computer Networks Digital → Analog ASK FSK PSK QAM ©2008, ... t • Analog Signal/Digital Transmission – Gi s t/h bi u di n d li u s , lan truy n qua b repeater • Digital Signal/Analog Transmission – Không dùng • Digital Signal/Digital Transmission – T/h...
Ngày tải lên: 15/03/2014, 22:20
... now use fully shielded magnet assemblies for completely safe use next to conventional televisions and monitors Highgauss neodymium is used in the tweeter because of its exceptional field strength ... the highest standards of audiophile performance yet which, when produced in-house, add nothing to the overall cost of the products Our philosophy on crossovers however, is consistent Because we ... is designed with perfect synergy There is no need for complex electrical correction which could upset mid-range performance Instead we use as simple a configuration as possible 10 This ensures...
Ngày tải lên: 23/03/2014, 11:21
[Chrystal de freitas, chrystal de freitas] keys to your child's healthy sexuality
... child 's level of development The conciseness of your answers when addressing the first questions about the facts of life should depend upon your assessment of your child 's ability to process the ... many life skills as well As I taught the health class, I was struck by the students' reluctance to use their family members as resources Comments such as, "I am too embarrassed to speak to my ... messages Understanding the broader dimensions of sexuality and the roles that family, friends, school, and the media play in influencing children 's views of themselves as sexual beings is essential...
Ngày tải lên: 23/03/2014, 19:43
sinclair, i. r. (1998). audio and hi-fi handbook (3rd ed.)
... auditory system is surprisingly sensitive to time (or phase) differences between the two ears, and, for some types of signal, can detect differences as small as s This is astonishingly small, since ... 1000 Hz has a loudness of one sone The sensation of loudness is directly proportional to the number of sones, e.g 80 sones is twice as loud as 40 sones Having established a scale of loudness in the ... units/cabinet loudspeakers Loudspeaker systems and coverage Speech intelligibility Signal (time) delay systems Equalisers and sound system equalisation Compressor-limiters and other signal processing...
Ngày tải lên: 18/04/2014, 12:28
VẬN DỤNG PHƯƠNG PHÁP DẠY HỌC PHÁT HIỆN VÀ GIẢI QUYẾT VẤN ĐỀ KẾT HỢP VỚI PHẦN MỀM GEOMETER’S SKETCHPAD TRONG DẠY HỌC MỘT SỐ CHỦ ĐỀ HÌNH HỌC KHÔNG GIAN LỚP 11
... điểm A,B,C,D,trong đó AB,CD không song song S là điểm nằm ngoài mặt phẳng (P).Chỉ giao tuyến của a)(SAC),(SBD) S D A O b)(SAB),(SCD) B - 13 - C S S L D O L D A A O C C B B Bài 2/Cho ... mềm Geometer s Sketchpad B.1/Giới thiệu về phần mềm Geometer s Sketchpad Geometer s Sketchpad là một phần mềm dùng để nghiên cứu hi nh học động được viết bởi Nicholas Jackiw-người ... việc dạy và học hi nh học(như hi nh học phẳng ,hi nh học không gian,biến hi nh,…) là môn học cần nhiều s ̣ minh hoạ bằng hi nh ảnh trực quan sinh động để học sinh dễ tiếp thu...
Ngày tải lên: 02/04/2013, 22:27
Tài liệu STUDYMetroFi Deploys Wi-Fi Networks UsingADC''''s SG-1 Service Gateway pptx
... have no business trying to get to,” said Reilly The SG-1 works closely with MetroFi s RADIUS server by sending start and stop messages each time a user logs in or out “That s the basis for all ... industrial-strength, carrier-class box,” Reilly said “Tens of thousands of people have signed up for our service, so we needed something that could handle the number of simultaneous sessions, as ... enables the delivery of differentiated services tailored to individual subscribers or user groups These features address the needs of a wide variety of public Internet access business models For...
Ngày tải lên: 10/12/2013, 19:15
Tài liệu America’s Health Starts With Healthy Children: How Do States Compare? pptx
... neuroendocrine systems that can lead to lesser risks for developing chronic diseases such as heart disease and diabetes America s Health Starts With Healthy Children A child s health is powerfully shaped ... A parent s or guardian s overall assessment of a child s health (as excellent, very good, good, fair or poor), which studies show corresponds closely with objective clinical assessments by health ... states and nationally about promising directions for closing those gaps While analyzing the causes of the health gaps was not within the scope of this Commission s work, a large body of research shows...
Ngày tải lên: 12/02/2014, 12:20
Tài liệu Health Education in Schools – The Importance of Establishing Healthy Behaviors in our Nation’s Youth pptx
... United States is ranked last, out of 21 industrialized countries in overall child health and safety.28 In addition, recent statistics show that in high school students are current smokers; approximately ... Diabetes Association, and the American Health Association encourage quality school health education within all schools in the United States through the use of strategies such as: Utilizing school ... education programs can reduce health risk behaviors such as tobacco use, poor nutrition, lack of physical activity, drug and alcohol use, as well as actions that increase stress, and risk of injury,...
Ngày tải lên: 14/02/2014, 13:20
A Special Addition to Staying Healthy: An English Learner’s Guide to Health Care and Healthy Living ppt
... to destroy cancerous tumors 22 rape RAPE when someone forces you to anything sexual 27 safe sex SAFE seks using condoms to avoid spreading STIs or unwanted safe sex 25 sexual abuse SEKS shual ... STI s (Sexually Transmitted Infections) are diseases or viruses that you can pass to another person when you have sex This is a problem for men and women See a doctor as soon as you see these symptoms ... doctor which screening tests are right for you if you are higher risk 19 Breast Self-Awareness (BSA) and Steps to a Breast Self-Exam (BSE) Studies have shown that BSE used alone does not decrease...
Ngày tải lên: 05/03/2014, 13:20
Healthy Lifestyle in the Elderly’s View in Romania and Latvia docx
... 197 0s The chosen territory has a school with a pool, a sports hall and a sports ground, which is available also to the microdistrict s residents, kindergartens, small food stores, a baker s store, ... household goods store and shopping centres, a café and a fast food restaurant, a post office, drugstores, a dentist s office, a doctor s office, a library, gambling halls, playgrounds for children, ... are the sports clubs, social centres, and educational service The sports clubs, pool, sports ground and sports hall as well as educational institutions, kindergarten and school are the least important...
Ngày tải lên: 05/03/2014, 21:20
Memory performance in healthy elderly without Alzheimer’s disease: effects of time and apolipoprotein-E pptx
... neurological, psychiatric and neuropsychological assessments were reviewed in a consensus conference comprised of neurologists, psychiatrists, and neuropsychologists Based on this review all participants ... cognitive skills remained stable Increased age was associated with lower scores in all cognitive domains while increased education was associated with higher scores APOE-4 was not associated with ... were included as covariates in subsequent analyses The GEE analyses yields beta values which represent associations between a factor score and variables included in the model A significant group...
Ngày tải lên: 05/03/2014, 21:20
100 Questions & Answers About Men’s Health: Keeping You Happy & Healthy Below the Belt pot
... options TNM system Tumor, nodes, and metastases The most common staging system for prostate cancer 30 By staging your cancer, your doctor is trying to assess, based on your prostate biopsy results, ... there is significant weakening of the bone (s) , fractures may occur More common sites of bone metastases include the hips, back, ribs, and shoulders Some of these sites are also common locations for ... cells This fluid travels in vessels to the lymph nodes, small bean-shaped structures that filter unwanted substances, such as cancer cells and bacteria, out of the fluid Lymph nodes may become filled...
Ngày tải lên: 06/03/2014, 00:22
Chương 4 QU N TR CHI N LƯ CPhân tích ngu n l cn ib doanh nghi pTi n sĩ Nguy n Văn S.nM c tiêu nghiên c u1. Phân tích các y u t ngu n l c n i b và tác ñ ng c a chúng ñ n chu i giá tr . 2. Tìm hi u cách th c ki m soát ngu n l c n i b c a doanh nghi p pot
... ng lao ñ ng… 4-12 Tài s n vô hình Các tài s n vô hình khác: L i th v trí c a h th ng s s n xu t kinh doanh S n i ti ng c a thương hi u, ch t lư ng s n ph m, d ch v S tín nhi m c a khách hàng, ... marketing Thuê logistics ñ u hà Thuê ñi u h ành s n xu t Thuê d ch v mua hàng hà Thuê logistics ñ u vào Các ho t ñ ng b tr Các ho t ñ ng b tr Thuê s h t ng 4-32 16 Lý doanh nghi p s d ng ngu n l ... ngu n tài nguyên c a doanh nghi p C a b ph n ch c năng: Qu n tr tài (b ng t ng k t tài s n, phân tích ch s tài hi u qu , tình hình huy ñ ng s d ng v n…) Qu n tr nhân s ( y quy n, ñ ng viên khen...
Ngày tải lên: 06/03/2014, 16:20
Chương 6 QU N TR CHI N LƯ CChi n lư c c p công tyTi n sĩ Nguy n Văn S.nM c tiêu nghiên c u1. Làm rõ t m quan tr ng c a chi n lư c c p công ty. 2. Tìm hi u n i dung cơ b n mà chi n lư c c p công ty ph i ñ t ra và gi i quy t. 3. N m ñư c các lo i hình potx
... t t c SBU b ph n ch c Hư ng d n xây d ng, th c hi n ki m soát chi n lư c c p SBU c p ch c 6-9 Chi n lư c tăng trư ng t p trung (Concentrated Growth Strategy) Strategy) V b n ch t, ñây chi n lư ... t gi i th doanh nghi p Khi ñó, ho c lý tài s x lý theo lu b rơi vào trư ch doanh nghi p s bán n ñ thu h i v n; ho c ph i t phá s n (n u doanh nghi p ng h p phá s n) 6-28 14 Chi n lư c bành trư ... i chi n lư c h i nh p phía trư c hàng ngang 6-13 Chi n lư c phát tri n s n ph m M c tiêu: phát tri n s n ph m m i (ho c c i ti n) th trư ng hi n t i Bi n pháp: nghiên c u k chu kỳ s ng c a s n...
Ngày tải lên: 15/03/2014, 17:20
Chương 8 QU N TR CHI N LƯ CChi n lư c c p ch c năngTi n sĩ Nguy n Văn S.nM c tiêu nghiên c u1. Làm rõ t m quan tr ng c a chi n lư c c p ch c năng. 2. Tìm hi u n i dung cơ b n mà chi n lư c c p ch c năng ph i ñ t ra và gi i quy t. 3. N m ñư c các lo pptx
... trình s n xu t liên t c, khai thác t i ña công su t máy móc thi t b , nâng cao su t, ti t ki m chi phí s n xu t nhi u nh t ñi u ki n có th 8-10 Qu n tr s n xu t Bi n pháp: Ki m soát môi trư ng s ... dung b n Chi n lư c c p ch c ? Vai trò c a chi n lư c c p ch c N-Series Các lo i chi n lư c c p ch c 8-3 Chi n lư c c p ch c ? ðó nh ng k ho ch tác nghi p t ng lĩnh v c ch c ñ c th hóa chi n lư ... v logistics ñ u vào K t h p s d ng k thu t qu n tr hàng t n kho Just-in-time (JIT) lo i nguyên li u (có ñ nh m c s d ng l n t n su t cung ng thư ng xuyên) 8-8 Qu n tr cung ng Lưu ý: Tìm nhi u...
Ngày tải lên: 15/03/2014, 17:20
ArticleGait analysis comparing Parkinson’s disease with healthy elderly subjects pot
... individuals) were classified as stage 2, an early stage of the disease In this present study they were classified as moderate (seven patients in 2,5 stage and four patients in 3,0 stage) and as severe (one ... Medical Sciences Faculty (nº 249/2007) The patients were clinically classified with instruments: the first one was the H&Y Modified Scale10 that measures the disease severity state in stages, stage ... clinical instruments could have presented stronger correlations, despite the small sample In clinical instruments used did not present proper psychometric parameters to assess several items of the...
Ngày tải lên: 22/03/2014, 14:20
Alterations of matrix metalloproteinases in the healthy elderly with increased risk of prodromal Alzheimer’s disease pot
... present study was set slightly higher than the previously reported community-based mean values In the present study the cognitive assessment also included the Alzheimer s Disease Assessment Scale ... immunoassays according to the instructions provided by the manufacturers ‘Meso Scale Discovery’ (Gaithersburg, MD, USA) and ‘R&D System’ (Minneapolis, MN, USA), respectively For the MMP assays a ... has predicted future AD with a sensitivity of 95% and a specificity of 87% in a large MCI study population [15] Statistics Statistical analysis was performed using the PASW software (former SPSS...
Ngày tải lên: 22/03/2014, 14:20