strength of a riveted joints
Static strength of tubular x joints with chord fully infilled with high strength grout
Ngày tải lên :
11/09/2015, 10:16
... architects All these advantages have led to a broad application of CHS in bridges, railway stations, airports and particularly, offshore platforms Among many types of offshore platforms, a jacket or jack-up ... joints, they incorporated a continuum damage mechanics approach into normal FE analyses A damage variable was introduced to evaluate the failure of materials The key damage parameters were determined ... structural analyses during reappraisal of jacket structures 23 Previous Research and Design Formulation Lalani et al (1985) reported an ultimate balanced axial load testing on a non-overlapping...
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IIW RECOMMENDATIONS ON METHODS FOR IMPROVING THE FATIGUE STRENGTH OF WELDED JOINTS pot
Ngày tải lên :
24/03/2014, 02:20
... demonstration of the appearance of an adequately treated weld, as well as a demonstration of unacceptable welds, and an explanation of the factors that influence the result If available, reference samples ... its shape and create a groove that facilitates a steady movement of the hammer tool The same type of flaw has been observed in welds with adequate profiles but in which the material was relatively ... obtained by various methods are not always ranked in a consistent manner One explanation for the observed variations is the lack of standardization of the optimum method of application, but variations...
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Báo cáo y học: "Immunohistological assessment of the synovial tissue in small joints in rheumatoid arthritis: validation of a minimally invasive ultrasound-guided synovial biopsy procedure" potx
Ngày tải lên :
09/08/2014, 10:21
... biopsy of small joints Microphotograph of an ultrasound-guided sample H & E staining of Microphotograph of an ultrasound-guided sample a metacarpophalangeal sample of a rheumatoid arthritis patient ... true sample mean the mean area fraction for the particular tissue marker being examined It can be seen that the analysis of a cumulative area of 2.5 mm2 (randomly selected from all available samples) ... tissue area in each image, so the final parameter of analysis was the area fraction To speed up the image analysis process, all procedures were performed using an ad hoc macro program for each marker...
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Báo cáo y học: "Demonstration of a novel technique to quantitatively assess inflammatory mediators and cells in rat knee joints" pps
Ngày tải lên :
11/08/2014, 08:21
... Luminex assay 2.4 Data Analysis Data were collected and analysed using Microsoft Excel and Graphpad Prism software Results are expressed as mean ± standard error of the mean (SEM) where appropriate ... sample contained the same amount of IL1β that was initially infused 2.3.4 Cytokine levels in normal and FCA-injected joints Basal samples from ipsilateral and contralateral joints of 10 normal ... duration of the study injection) Once fully anaesthetised the animal was laid on its back on an automated heating blanket (Harvard Apparatus Limited, UK) and its core body temperature maintained...
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Báo cáo y học: " The effects of a commercially available botanical supplement on strength, body composition, power output, and hormonal profiles in resistance-trained males" docx
Ngày tải lên :
11/08/2014, 23:21
... groups Significance for all statistical analyses was determined using an alpha level of 0.05, and all data are presented as means ± standard deviations All statistical procedures were analyzed using ... muscle adaptations during early phase of heavy-resistance training in men and women J Appl Physiol 1994, 76:1247-1255 Page of 39 Aswar U, Mohan V, Bhaskaran S, Bodhankar L: Study of Galactomannan ... VM, Bhaskaran S, Bodhankar LS: Study of Galactomannan on Androgenic and Anabolic Activity in Male Rats Pharmacology Online 2008, 56-65 17 Syrov VN, Kurmukov AG: [Experimental study of the anabolic...
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Báo cáo y học: " A statistical approach to estimating the strength of cell-cell interactions under the differential adhesion hypothesis" pptx
Ngày tải lên :
13/08/2014, 16:21
... estimated value θ was Experimental data Estimation of the adhesion strength was also performed on a real data example We used data from Pizem et al ([39]), who measured survivin and beta-catenin ... medium as Graner and Sawada did And finally it borrows from Graner and Glazier an additional constraint on the shape of cells In addition, one strength of the new model is the introduction of a new ... measuring cell-cell-adhesion Journal of Theoretical Biology 1996, 179:129-146 Honda H, Tanemura M, Imayama S: Spontaneous architectural organization of mammalian epiderms from random cell packing...
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Báo cáo y học: " The hyperbolic effect of density and strength of inter beta-cell coupling on islet bursting: a theoretical investigation" ppt
Ngày tải lên :
13/08/2014, 16:21
... starting from immediate layer adjacent to it, alternate between being an irregular hexagonal (IH, the six sides and internal angles are not all equal) layer, and a regular hexagonal (RH) layer ... electrical current oscillation, would generate an additional slow rhythm at the time scale of 2–10 The latter is important as it is at a more readily measurable time scale with available laboratory ... rate of Ca2+ in the intracellular space α is a conversion factor from chemical gradient to electrical gradient For a more detailed explanation of the model equations, parameters and their values,...
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BS EN 205 2003 adhesives wood adhesives for non structural applications determination of tensile shear strength of lap joints
Ngày tải lên :
30/08/2014, 11:14
... shall be a constant-rate -of- traverse machine as described in ISO 5893 If a constant-rate -of- traverse machine is not available, a constant-rate -of- loading machine shall be used causing a rupture within ... % breakage of wood (mean value of all test pieces); − description of further peculiarities of the appearance of the break; − if necessary, deviations from this standard − indication of durability ... "Adhesives", the secretariat of which is held by AENOR This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at...
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Strength of materials a new unified theory for the 21st century
Ngày tải lên :
09/03/2016, 10:23
... Matrix Algebra 645 Properties of a Plane Area 659 Systems of Units 677 Sign Conventions 681 Mechanical Properties of Structural Materials 685 Formulas of Strength of Materials 687 Strength of ... a satellite Displacement also plays an important role in calculating load to design airborne and spaceborne vehicles, like aircraft and rockets Strain is important because the failure of a material ... shafts are made of shaft members A shaft subjected to a torque T is shown in Fig 1-1c Frame: Frame structures are made of frame members A frame element combines the action of a bar and a beam...
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Health behaviour change theory meets falls prevention- Feasibility of a habit-based balance and strength exercise intervention for older adults
Ngày tải lên :
25/08/2016, 22:22
... you are already doing was super important to me (Pat, age 62) Habit formation It became part of my day, it really became an automatic thing (Maria, age 64) Some of them are just habitual, I it without ... Gardner, B., Sheals, K., Wardle, J., & McGowan, L (2014) Putting habit into practice, and practice into habit: a process evaluation and exploration of the acceptability of a habit-based dietary ... Schwarzer, 2005) Individuals are encouraged to so by consistent and repeated practice (i.e., behaviour change strategy habit formation), and also by means of action planning to obtain a clear...
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The Design and Implementation of a Log-Structured File System
Ngày tải lên :
12/09/2012, 15:05
... separate data area of these database systems means that they not need the segment cleaning mechanisms of the Sprite LFS to reclaim log space The space occupied by the log in a database system can ... simulates the actions of a cleaner until a threshold number of clean segments is available again In each run the simulator was allowed to run until the write cost stabilized and all coldstart variance ... the most up to date ‘‘truth’’ about the state of the data on disk The main difference is that database systems not use the log as the final repository for data: a separate data area is reserved...
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The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System
Ngày tải lên :
12/09/2012, 15:05
... nature to a data manager which fails to free data, but is easier to detect and prevent • Data manager changes data A malicious data manager may change the value of its data on each cache refresh ... access to cached data than the data manager has permitted (e.g., a write fault on a page made read-only by a pager_data_lock call), the kernel issues a pager_data_unlock call The data manager is ... memory as a cache of secondary storage data pages The effect of this kind of caching on the performance of UNIX and its traditional suite of application programs is dramatic Compilation of a small...
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List the components of a radio system
Ngày tải lên :
13/09/2012, 10:52
... – Advantages • Can carry up to three times the amount of data as TDMA • Transmissions are much harder to eavesdrop on • A would-be eavesdropper must also know the exact chip in which the transmission ... strength of the signal – Use of filters when receiving the signal • Attenuation – A loss of signal strength • Multipath distortion – As a radio signal is transmitted, the electromagnetic waves spread ... extracted from it • Electromagnetic interference (EMI) – One factor that affects radio signal strength – Also called noise • Signal-to-noise ratio (SNR) – Compares signal strength with background...
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Cambridge.University.Press.Africans.The.History.of.a.Continent.Aug.2007.pdf
Ngày tải lên :
21/09/2012, 10:39
... contained a core of Afro-Mediterranean race and spoke an Afroasiatic language Egyptian civilisation displayed many cultural and political patterns later to appear elsewhere in the continent, although ... rainfall declined thereafter, Nilo-Saharan speakers may have carried this culture and later the exploitation of grain southward towards Lake Victoria, although there is as yet no archaeological ... contrast with the characteristically tall and slender Nilotic peoples whose languages belonged to a third, Nilo-Saharan family, which may have originated in the broad Saharan region at least as early...
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Guest the meaning of a word
Ngày tải lên :
02/10/2012, 12:07
... (not, reversal) ex- (out of, former) pre- (before) re- (again, restore) un- (do the opposite of) ad- (to, toward) com-, con-, co- (with, together) en-, em- (in, into, to cover or contain) in- (into, ... (with, together) en-, em- (in, into, to cover or contain) in- (into, not) pro- (in favor of, before) sub- (under, beneath) ...
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Báo cáo y học: "Pre-hospital intubation by anaesthesiologists in patients with severe trauma: an audit of a Norwegian helicopter emergency medical service"
Ngày tải lên :
25/10/2012, 09:56
... safety) Materials and methods Stavanger HEMS The Stavanger HEMS is part of the national HEMS system of Norway, and its primary areas of operation are the mixed urban and rural districts of Rogaland ... Norwegian Air Ambulance Foundation Author details Department of Research and Development, Norwegian Air Ambulance Foundation, Drøbak, Norway 2Department of Anaesthesiology and Intensive Care, Stavanger ... Science Data Service approved the collection and recording of the study data Statistics Data were recorded into a database designed with File Maker (FileMaker Inc., Santa Clara, CA, USA) We used Table...
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Báo cáo y học: " Implementation of a new emergency medical communication centre organization in Finland an evaluation, with performance indicators"
Ngày tải lên :
25/10/2012, 10:02
... of data that could allow for a structured evaluation of the organizational changes It is evident that a well-planned evaluation of changes in the organizations, before they are actually made, ... on performance Acta Anaesthesiol Scand 2010, 54(6):689-695 Handbooks of the Ministry of Social Affairs and Health Ambulance and emergency care services: A handbook for drawing up an alarm procedure ... several databases Approximately 40% of all emergency calls during the period 2002-2005 were available from the municipality-based databases The rest of the data could not be gathered since it was...
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Báo cáo y học: "The Impact of a Nationwide Antibiotic Restriction Program on Antibiotic Usage and Resistance against Nosocomial Pathogens in Turkey"
Ngày tải lên :
25/10/2012, 11:00
... non-parametric correlations A P value of less than 0.05 was regarded as significant Software package STATA 9.0 (USA) was used for the analysis Materials and Methods Results Hospital setting and antibiotic ... and resistance patterns of leading nosocomial pathogens (gram) and number of boxes were calculated from two databases, 1) Hospital pharmacy computer databases, and 2) International Medication System ... NARP was initiated in Turkey in February 2003 by a central regulation of Ministry of Health and was announced nation-wide via official newspaper of the state [11] This is a quasi-experimental...
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Báo cáo y học: " Treatment of oroantral fistula with autologous bone graft and application of a non-reabsorbable membrane"
Ngày tải lên :
25/10/2012, 11:48
... Clinically significant oroantral communications a study of incidence and site Int J Oral Maxillofac Surg 1994;23:19-21 Haas R, Watzak G, Baron M, Tepper G, Mailath G, Watzek G A preliminary study of ... characteristics of OAC/OAF; the apexes of tooth 26 were in extremely close approximation to the maxillary sinus, and an area of periapical rarefaction was evident (Fig 1) After the failure of the endodontic ... and clavulanic acid g The fixed partial prosthesis was removed and the contiguous mucosa appeared healthy A buccal full thickness flap was harvested and the presence of a small OAF was verified...
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Báo cáo y học: "Gain of a 500-fold sensitivity on an intravital MR Contrast Agent based on an endohedral Gadolinium-Cluster-Fullerene-Conjugate: A new chance in cancer diagnostics"
Ngày tải lên :
26/10/2012, 09:07
... use of heavy ions demands absolute reliability of new diagnostics and treatment planning for prostate and brain tumors By the fact that the rare earth metals trapped inside of the carbon cage are ... evaluation of Gd@C60[C(COOH)2]10 as a MRI contrast agent J Am Chem Soc 2003; 125: 5471-8 Okumura M, Mikawa M, Yokawa T, et al Evaluation of water-soluble metallofullerenes as MRI contrast agents ... relaxation times are unsatisfactory so far, because radiation induced necrosis [58], vital tumor tissue and cerebral metastases are nearly undistinguishable.[51] Additionally, preclinical data suggest...
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