mechanical vibrations due to random excitations
aisc design guide 11 - errata - floor vibrations due to human activity
... portion of the frame of that figure To determine a floor's maximum displacement due to a footfall impulse, the floor's static displacement Am= 2(fnto) Am due to a point load at the load application ... supporting the beams due to bending and shear ∆c = the elastic shortening of the column or wall (and the ground if it is soft) due to axial strain and where each deflection results from the total weight ... applies to rolled sections shear-connected to girder webs, but not to joists connected only at their top chord Since continuity effects are not generally realized when girders frame directly into...
Ngày tải lên: 24/10/2014, 17:03
aisc design guide 11 - floor vibrations due to human activity
... equipment to vibrations above a certain limit may suffice to interfere with the equipment's operation e.g., to blur a photographic image or to misalign components Thus, although human perception of vibrations ... corresponds to the upper left portion of the frame of that figure To determine a floor's maximum displacement due to a footfall impulse, the floor's static displacement Am= 2(fnto) Am due to a point ... ceilings" to span/360 This limitation, along with restricting member span -to- depth rations to 24 or less, have been widely applied to steel framed floor systems in an attempt to control vibrations, ...
Ngày tải lên: 24/10/2014, 17:03
Báo cáo khoa học: "Adhesions due to peritoneal carcinomatosis caused by a renal carcinoma leading to mechanical gastric outlet obstruction: a case report" pps
... doi:10.1186/1752-1947-5-306 Cite this article as: Mocciaro et al.: Adhesions due to peritoneal carcinomatosis caused by a renal carcinoma leading to mechanical gastric outlet obstruction: a case report Journal ... adhesions with obstructive symptoms [4] Our patient experienced a very rare complication characterized by the development of adhesions due to peritoneal carcinomatosis caused by a previous renal ... reported to be a consequence of ovarian, colonic, or hepatic malignancies It is Figure Multi-detector computed tomography (MDCT) multi-planar reconstruction shows herniation of the duodenum into the...
Ngày tải lên: 10/08/2014, 23:22
Báo cáo khoa học: " A Lung and ''''end organ'''' injury due to mechanical ventilation in animals: comparison between the prone and supine positions" pdf
... tissues and cells due to overdistention and shear stress (barotrauma or volutrauma) as well as mechanical damage due to the production, release and/or activation of cytotoxic and inflammatory cascades ... In addition to inducing or worsening existing lung injury, the pulmonary production of inflammatory mediators is likely to spill over into the systemic circulation, also contributing to extrapulmonary ... -3.9 to -1.82 Lung dorsal 112 ± 22 45.6 ± 28 0.003 -103.6 to -29.78 Lung ventral 80 ± 28 35 ± 22 0.02 -82.6 to -8.1 0.04 0.046 2.37 to 61.09 0.29 to 20.5 Liver 56 ± 21 23 ± 10 0.05 -66.78 to -7.8.1...
Ngày tải lên: 12/08/2014, 23:21
Analysis and compensation of log_domain filter deviations due to transistor nonidealities
... happens to be the corner-stone of the logdomain filtering technique It is the key eiement for converting linear signals into their compressed form for signal processing, and expanding them to restore ... Chapter 1: Introduction LOG operator EXP opemtor Figure 1-4: Signal companding by LOG and E X operators represent the log-domain inputs and output, respectively Due to the LOG-linear-EXP format ... implement a variety of functions Then we would simply need to join these blocks together according to the specific topology, add the inverse operators at the input and output, m d the desired linear...
Ngày tải lên: 06/11/2012, 10:35
Children’s Health Deficits due to Diarrhoea: Effects of Water Supply and Sanitation Systems in Slums with Different Water Logging Conditions
... secondary contamination due to storage, as some of the storage tanks had been used for a long time without cleaning However, hand washing practices appeared to contribute to DALYs lost and constituted ... morbidity (Murray et al 2002) DALYs, due to premature mortality, are calculated using standard expected YLL from model life tables and, due to disability from age a to age (a + L), consists of the ... We thank Dr Yoshitaka Matsumoto for his contribution to this study We are grateful to Prof Yasushi Sakamoto and Prof Futaba Kazama for their scientific suggestions, to Rezina Ashraf, MBBS, who...
Ngày tải lên: 05/09/2013, 10:15
Energy savings due to daylight and artificial lighting integration in office buildings in hot climate
... in the total product output by 25% to 28% [2] Despite of the clear advantage of daylighting, artificial lighting is an attractive alternative to architects who believe that they have total control ... compared to other buildings They are required to provide better environmental quality to enhance occupants' productivity and performance, but at the same time consuming a large proportion of the total ... consequently the associated cooling load due to artificial lighting The combined effect of daylight integration has resulted in a total reduction of about 13% of the total building energy consumption,...
Ngày tải lên: 05/09/2013, 16:10
Báo cáo khoa học: Mutants of Saccharomyces cerevisiae deficient in acyl-CoA synthetases secrete fatty acids due to interrupted fatty acid recycling docx
... from sunflower into strain MS51 By contrast to the endogenous stearoyl-CoA desaturase, the heterologous D12-desaturase converts exclusively lipid-bound 18:1 to 18:2 [25,26] Due to the nature of ... in subsequent experiments To differentiate between free fatty acids and esterified fatty acids, the cellular lipid extracts were subjected to two different protocols to achieve either methylation ... might contain residual acyl-CoA synthetase activity due to the presence of Fat1p, which was shown to possess this enzymatic activity also To address the question of whether fatty acid transport...
Ngày tải lên: 07/03/2014, 05:20
The NCI Strategic Plan for Leading the Nation To Eliminate the Suffering and Death Due to Cancer pdf
... Nation THE FRAMEWORK TO ELIMINATE THE SUFFERING AND DEATH DUE TO CANCER BY 2015 Leading the Nation to Eliminate the Suffering and Death Due to Cancer Our Strategic Objectives To Preempt Cancer at ... Tai Baker, Director’s Message E arly in 2003, as the Director of the National Cancer Institute, I announced our Challenge to the Nation to eliminate the suffering and death due to cancer by 2015 ... person stops smoking, the risk of lung cancer begins to decrease After ten years, the risk drops to one third to one half the level of people who continue to smoke Many of the chemicals in tobacco...
Ngày tải lên: 15/03/2014, 00:20
The indirect cost due to pulmonary Tuberculosis in patients receiving treatment in Bauchi State—Nigeria doc
... in this study had history of previous TB infections of which 20 (83.3%) of the retreatment cases were reportedly due to relapse, (8.3%) due to default and another (8.3%) due to treatment failure; ... facility, level of education and occupation were found to be significant predictors of the total income lost (by patients and household) due to TB disease AFB sputum-smear test result and hospitalisation ... were found to be significant predictors of the total time spent Age, gender, AFB sputum-smear results, level of education, HIV status and occupation were not significant predictors of the total time...
Ngày tải lên: 15/03/2014, 03:20
WORKSHOP ON THE PREVENTION OF WATER POLLUTION DUE TO PIPELINE ACCIDENTS pot
... Integration of field equipment (e.g actuator, sensor or pump) and small scale (unit) automation systems to the control centre computer system Transparent view for an operator on a complex process environment ... monitoring slack line control b) Pipeline Integrity requirements Integrated control and safety system (e.g PSHH interlocks) SCADA built in monitoring mechanism (e.g LDS, PCM) Programmed automatic ... monitoring mechanism (e.g LDS, PCM) Programmed automatic ESD-Sequences (e.g ESD-Pushbutton, Shut-Down due to Communication Failure) U N Functional Design Criteria for the SCADA System c) Operational...
Ngày tải lên: 15/03/2014, 16:20
Health effects due to motor vehicle air pollution in New Zealand pdf
... pollution levels due to traffic are likely to be lower than in Europe This is shown in more detail in Table 6.2 The total mortality for both air pollution due to vehicles, and due to accidents, ... mortality due to road toll and air pollution affecting over 30 year olds, per million people Pop (m) Mortality due to (1996) traffic accidents for all ages 58.3 153 per million France Mortality due to ... relationship to the Hi-Vol standard has not yet been fully investigated Proportion due to vehicles The measured data reflects concentrations due to all sources The purpose of this study is to examine...
Ngày tải lên: 15/03/2014, 16:20
ECONOMIC EVALUATION OF HEALTH IMPACTS DUE TO ROAD TRAFFIC-RELATED AIR POLLUTION pptx
... assessment of health costs due to air pollution reduces the costs by a factor of 3.6 (in Switzerland) up to a factor of 9.1 (in France) compare to the willingness to pay based results The differences ... in adults to road traffic-related air pollution 5.2 Health costs due to air pollution based on the willingness -to- pay approach Based on the willingness -to- pay approach, in 1996 the total air ... EUR) the total air pollution related health costs reach a similar level Due to the much larger population, the French costs amount to 38’800 million EUR 22 Table 12 Health costs due to road traffic-related...
Ngày tải lên: 15/03/2014, 20:20