constants physical quantities and conversion factors

Tài liệu UNITS AND CONVERSION FACTORS E.J. ROSCHKE PROPULSION DIVISION JET PROPULSION LABORATORY doc

Ngày tải lên : 22/02/2014, 09:20

... and emu Electric and Magnetic Quantities Dimensions and Units for Physical Quantities — mksq System A Mechanical B Thermal C Electric and Magnetic Conversion of mksq Units to Gaussian Units Conversion ... Institute of Technology October 2001 UNITS AND CONVERSION FACTORS Table of Contents Section I II III IV V VI VII Page References Decimal Multiples and Submultiples Description of Units Mechanical, ... Electromagnetic Constants of Free Space Electromagnetic Constants of Materials Some Important Dimensional Constants Some Important Dimensionless Groups The Perfect Gas Law A Nomenclature, Definitions and...

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Units and conversion factors

Ngày tải lên : 28/12/2015, 17:05

... lO^Btu 284 Units and conversion factors Power W kW SI units watt kilowatt 1W hp Conversion factors = Js"n = 0.73756 lb ft s"^ = 735.5 W Rotational power Derived as the product of torque and the angular ... NmA"^ Conversion factors = 141.612 oz in A"^ Derived motor constants - voltage Vr.p.m"^ SI units volts per revolutions per minute Conversion factors Vr.p.m.~^= 9.55x10"^ V rad~^s~^ Derived motor constants ... 282 Units and conversion factors Volume SI units cubic metre litre cubic millimetre m"' mm" m-^ Conversion factors = 1000 = 10^ mm^ = 6.1024 X 10^ in^ Linear...

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Tài liệu Conversion Factors and Mathematical Symbols pptx

Ngày tải lên : 16/01/2014, 16:33

... brass wire)‡ U.S Standard (for sheet and plate metal, wrought iron) Standard Birmingham (BG) (for sheet and hoop metal) Imperial Standard and Wire Gauge (SWG) (British legal standard) Gauge number ... Sharpe (B & S) (for nonferrous wire and sheet)† Standard Birmingham (BG) (for sheet and hoop metal) Imperial Standard and Wire Gauge (SWG) (British legal standard) Gauge number — — — — — — — 0.6666 ... Bureau of Standards † Sometimes used for iron wire ‡ Sometimes used for copper plate and for steel plate 12 gauge and heavier and for steel tubes 1-21 TABLE 1-14 Fundamental Physical Constants...

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Báo cáo khoa học: "Prevalence and associated factors of physical fighting among school-going adolescents in Namibia" pptx

Ngày tải lên : 08/08/2014, 23:20

... estimate the prevalence and associated factors of having engaged in a physical fight among school-going adolescents in Namibia We believe knowledge about this estimate and associated factors will assist ... in England and Sweden and 7.6% in the United States to 9.7% in Latvia [4] Lai-Kah et al reported that in 2001, 27.9% adolescents aged 12 to 19 years in Malaysia had been involved in a physical ... violence between adult males and females [6-9] Among 604 randomly selected women attending antenatal care at King Edwards Hospital in South Africa, 52% reported physical violence from an intimate...

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Báo cáo y học: " Factors that may mediate the relationship between physical activity and the risk for developing knee osteoarthritis" pot

Ngày tải lên : 09/08/2014, 10:22

... (BMI), knee injury and/ or knee alignment on the relationship between physical activity and risk for developing radiological, symptomatic and physician diagnosed OA Results Our Medline and EMBASE searches ... relationship between physical activity and knee joint health: age, sex, body mass index and body composition, muscle strength, varusvalgus alignment and external knee adductor moment, and injury history ... OA must be valid, reliable and sensitive to change among healthy and OA populations Instruments for the measurement of physical activity must be reliable and valid, and able to assess accurately...

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Báo cáo y học: "Prevalence of Overactive Bladder, its Under-Diagnosis, and Risk Factors in a Male Urologic Veterans Population"

Ngày tải lên : 25/10/2012, 11:35

... Xu B and Song J Prevalence and risk factors of overactive bladder syndrome in Fuzhou Chinese women Neurourol Urodyn 2006; 25:717 Teleman PM, Lidfeldt J, Nerbrand C, Samsioe G, Mattiasson A and ... 20:327 Dallosso HM, Matthews RJ, McGrother CW, Donaldson MM, Shaw C and Leicestershire MRC The association of diet and other lifestyle factors with the onset of overactive bladder: a longitudinal study ... benefit from better detection and treat- 393 ment initiation The OAB-V8 questionnaire is a possible effective and fast screening tool Our study also examined the risk factors for OAB in men We found...

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Báo cáo y học: "A review of anatomical and mechanical factors affecting vertebral body integrit

Ngày tải lên : 03/11/2012, 09:49

... density and muscle strength in women: job-related and physical activity Amer J Physical Med 1998 77(6):470476 Singer K, Edmondston S, Day R, Breidahl P, Price R Prediction of Thoracic and Lumbar ... lowest BMD, lowest trabecular number and greatest trabecular separation Generally vertebrae are less dense anteriorly and superiorly and more dense posteriorly and inferiorly with heterogeneity ... dysfunction, adaptation and enhancement J Spinal Disord 1992 5:383-389 Parfitt AM Bone remodelling: Relationship to the amount and structure of bone, and the pathogenesis and prevention of fracture...

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Harvesting, oil extraction, and conversion of local filamentous algae growing in wastewater into biodiesel

Ngày tải lên : 05/09/2013, 15:28

... Healthcare, Bucks, England, UK) between the wavelengths of 400 and 700 nm in increments of 10 nm The peak absorption of light in the red portion of the spectrum was between 650 and 680 nm, and light at ... filamentous algae used in this study are from the genera Cladophora and Rhizoclonium and include some epiphytic microalgae and diatoms Such organisms have already been examined for their ability ... obtaining oil from algal cells and analyzing its quality, (iii) increasing the quantity of algal oil to generate a reasonable amount of biodiesel fuel, and (iv) conversion of algal oil into a...

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Bài soạn Chapter 4 Chemical Quantities and Aqueous Reactions

Ngày tải lên : 28/11/2013, 01:11

... with 25 molecules of O2 to form 16 molecules of CO2 and 18 molecules of H2O moles of C8H18 react with 25 moles of O2 to form 16 moles of CO2 and 18 moles of H2O mol C8H18 : 25 mol O2 : 16 mol ... McGraw Hill O + H H O + O H H 11 Limiting and Excess Reactants in the Combustion of Methane CH4(g) + O2(g) → CO2(g) + H2O(g) • If we have molecules of CH4 and molecules of O2, which is the limiting ... Yield, and Percent Yield Example: • When 28.6 kg of C are allowed to react with 88.2 kg of TiO2 in the reaction below, 42.8 kg of Ti are obtained Find the Limiting Reactant, Theoretical Yield, and...

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Tài liệu Global Burden of Disease and Risk Factors ppt

Ngày tải lên : 12/02/2014, 12:20

... risk factors and their role in the current and future disease burden globally and in specific countries and regions His research on risk factors focuses on environmental risks, smoking, and nutritional ... Age and Sex Joint Contributions (PAFs) of the Leading Risk Factors to Mortality and Burden of Disease, by Region Individual and Joint Contributions of Risk Factors to 10 Leading Diseases and ... Disease Individual and Joint Contributions of Risk Factors to Mortality and Burden of Disease from Site-Specific Cancers Individual and Joint Contributions of Risk Factors to Mortality and Burden of...

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Tài liệu Physical Activity and Women’s Health pptx

Ngày tải lên : 13/02/2014, 08:20

... Americans—especially, American women We have failed—in physical education and sport, and in medicine—to clarify the importance of habitual physical activity, physical fitness, and maintenance of “normal” body weight ... (1995) Hemostatic, metabolic, and androgenic risk factors for coronary heart disease in physically active and less active postmenopausal women Arteriosclerosis, Thrombosis, and Vascular Biology, 15, ... health risks, and that health and educational professionals must mount new efforts to develop culturally appropriate and sensitive health programs and educational materials But, first, how physically...

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Tài liệu Modern Physical Metallurgy and Materials Engineering docx

Ngày tải lên : 13/02/2014, 20:20

... Function and form of safety helmets 417 14.9.2 Mechanical behaviour of foams 418 14.9.3 Mechanical testing of safety helmets 418 Appendices 420 SI units 420 Conversion factors, constants and physical ... random network possesses the desired stiffness and strength When heated, this structure does not exhibit viscoelastic ﬂow and, being both chemically and physically stable, remains unaltered and ... revised approach, it covered a wider range of metals and alloys and included ceramics and glasses, polymers and composites, modern alloys and surface engineering Each of these additional subject...

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Tài liệu Time trends in leisure time physical activity and physical fitness in elderly people: 20 year followup of the Spanish population national health survey (1987-2006) docx

Ngày tải lên : 14/02/2014, 06:20

... health status, co-morbidity, and lifestyle-related habits associated with LTPA and physical fitness in older people; and, 3) to analyze time trends in prevalence of LTPA and physical fitness in the ... proportional random selection of primary and secondary sampling units (towns and sections, respectively), with the final units (individuals) being selected by means of random routes and sex- and age-based ... sleeping > hours per day and those sleeping < hours per day Statistical analysis In this study we analyzed physical activity and physical fitness separately for men and women and we excluded respondents...

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Tài liệu Physical health and functional ability of an elderly, population in Sri, Lanka doc

Ngày tải lên : 14/02/2014, 06:20

... lower extremities were carried out, using standard procedures These included: semi tandem stand, full tandem stand, rising from chair without using arms and shoulder external rotation (full) A younger ... injury or an illness Best performance was in "standing from chair without using arms" (84%), semi tandem stand was completed by 78% and full tandem stand by 72% The poorest performance was in shoulder ... in Myanmar, 84% in Indonesia and 62% in Thailand (10) It was D N Fernando and R de A Seneviratna 14 Table Self-assessed "health status" by some psychosocial factors and indicators of use of health...

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Tài liệu PHYSICAL, CHEMICAL, AND MECHANICAL PROPERTIES OF BAMBOO AND ITS UTILIZATION POTENTIAL FOR FIBERBOARD MANUFACTURING docx

Ngày tải lên : 22/02/2014, 09:20

... alpha cellulose, and Klason lignin contents and the lowest extractive and ash contents The epidermis had the highest extractive and ash contents and the lowest holocellulose and alpha-cellulose ... 3, and year old material), horizontal layer (epidermis, outer, middle, and inner layer), and height location (bottom, middle, and top portion) of Phyllostachys pubescens in detail Physical and ... on marginal land Hedges and screens Minimal land use Agro-forestry Natural stands Plantations Mixed agro-forestry systems With the continued rapid development of the global economy and constant...

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Effect of raw material and processing factors

Ngày tải lên : 27/02/2014, 22:28

... root was higher than that in the leaf and flower (Table 2) and the total ratio of stalk and root at TN1 and TN2 was at 2.5 while it was only at 2.0 at TN3 and TN4, especially the ratio of root ... effervescent agent and an outer coat containing a sugar alcohol, such as sorbitol (Witzel and Clark 1978) The required ingredients for effervescent granules were at least one acid and at least one ... stalk and root Four tests were carried out, each with 30 g of leaf, flower, stalk and root in the following mass ratios: TN1: 1.0/0.5/1.5/1.0, TN2: 1.0/0.5/1.0/1.5, TN3: 1.5/0.5/0.5/1.5, and TN4:...

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Nutritional Status and Associated Factors in Institutionalized Elderly docx

Ngày tải lên : 05/03/2014, 21:20

... Status and Associated Factors in Institutionalized Elderly J Nutr Disorders Ther 2:116 doi:10.4172/2161-0509.1000116 Page of measurements were collected, and information referring to the MNA and ... consisted of descriptive analysis and chi-square test, Fisher’s exact test and ANOVA to determine the factors associated with nutritional status, assessed by BMI and MAN In addition, we used multinomial ... activities of daily living and greater dependence on care, including meals and purchase of food [19] The results of the Health, Welfare and Aging in Latin America and the Caribbean Project, which...

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Ceylon; an Account of the Island Physical, Historical, and Topographical with Notices of Its Natural History, Antiquities and Productions, Volume doc

Ngày tải lên : 07/03/2014, 14:20

... India, and Kashmir; by the geographers of Arabia and Persia; by the mediæval voyagers of Italy and France; by the annalists of Portugal and Spain; by the merchant adventurers of Holland, and by ... the Red Sea and the Persian Gulf met those from China and the Oriental Archipelago; thus effecting an exchange of merchandise from East and West; and discovering that the Arabian and Persian ... them The rich and black soil to the south of the Nilgherries presents a strong contrast to the red and sandy earth of the opposite coast; and both in the flora and fauna of the island there are...

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Báo cáo " Objective and Subjective Factors Influence on Demand of Drainage by Pumping in Red River Delta " potx

Ngày tải lên : 14/03/2014, 15:20

... of drainage demand many times which is compared with rice land and cultivated land Discussion and recommenation Obviously, all socio-economic indicators have been indicating land use planning ... rainfall and factors impact on drainage requirement and shows that rainfall seems not to be an objective factor Socio-economic, changing in cropping pattern or other factors might be the subjective factors ... drainage demand In the above analysis shows the rise of amount of drain, and the drainage capacity also increases by the drainage demand for incultivated land which is drained by day There are factors...

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Physical activity and mental health status among elderly people pdf

Ngày tải lên : 14/03/2014, 20:20

... levels of physical activity The time spent on moderate and vigorous physical activities was calculated only for the elderly people who performed some type of physical activity (means and standard ... independence and autonomy.5 Another characteristic is the loss of interest in and/ or motivation for joining in physical, cultural and social activities, particularly Physical activity and mental ... 13.8% and the prevalence of depression was 19.7% (Table 2) Statistically signiﬁcant inverse associations were found for total physical activity and leisure physical activity versus dementia and...

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