— u s army corps of engineers specifi cations
code requirements for environmental engineering concrete structures (aci 350-01) and commentary (aci 350r-01)
... 18.0—Notation 18.1—Scope 18.2—General 18.3—Design assumptions 18.4—Permissible stresses in concrete—Flexural members 18.5—Permissible stresses in prestressing tendons 18.6—Loss of prestress 18.7—Flexural ... special systems of design or construction Sponsors of any system of design or construction within the scope of this code, the adequacy of which has been shown by successful use or by analysis or test, ... specific industries such as petroleum refining and wood preserving The list of generic wastes includes wastes from common manufacturing and industrial processes such as solvents used in de-greasing...
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Chapter F: Protection against electric shocks
... levels of short-circuit current A reasonably accurate assessment of short-circuit current levels must be carried out at the design stage of a project A rigorous analysis is not necessary, since current ... stage of a project A rigorous analysis requires the use of phase-sequence-component techniques A rigorous analysis requires the use of phase-sequence-component techniques applied to every circuit ... b SELV circuits must use conduits exclusively provided for them, unless cables which are insulated for the highest voltage of the other circuits are used for the SELV circuits b Socket outlets...
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Tài liệu Báo cáo khoa học: Role of transcription factor activator protein 1 (AP1) in epidermal growth factor-mediated protection against apoptosis induced by a DNA-damaging agent doc
... survival through downstream signaling cascades such as the MAP kinase and phosphatidylinositol-3¢-OH kinase (PtdIns3-K) ⁄ Akt pathways These signals influence survival through several mechanisms ... apoptosis suggests that maximal protection may have required new protein synthesis Several recent studies indicate that certain growth factors can suppress apoptosis by modulating the process of ... cases in which tumor cells develop resistance against anticancer drugs, we need to clarify the mechanisms responsible for this resistance in these cells Understanding the molecular basis of resistance...
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Báo cáo khoa học: Modified merozoite surface protein-1 peptides with short alpha helical regions are associated with inducing protection against malaria docx
... least root mean square deviation (RMSD), respecting consensus least energy structure, was obtained Structures having reasonable geometry and few violations were then selected Results and discussion ... interproton distances, respectively Distance Geometry (DGII) software was used to generate a family of 50 structures These structures were refined by using simulated annealing protocol with DISCOVER software ... aprotic medium because these peptides were not soluble in aqueous solution or in trifluoroethanol, and recent studies have shown that preferential conformations of peptides dissolved dimethylsulfoxide...
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Protection against South American leaf blight of rubber in Asia and the Pacific region pptx
... through the use of sporetraps Dispersal agents – animals Bees, flies and birds should be included as potential dispersal agents in future research 35 Annex CURRENT REGULATORY STATUS FOR SALB IN SEVEN ... mechanism for successful transfer to a suitable host would be via the development of conidia (on immature leaves) or ascospores (on fully matured leaves) and the dissemination of subsequent spores ... This in effect means that for the purposes of this risk analysis it will be assumed that leaf segments of less that cm2 would not lead to successful infection under normal circumstances This technical...
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Báo cáo khoa học: Peroxisome proliferator-activated receptor a–retinoid X receptor agonists induce beta-cell protection against palmitate toxicity doc
... expression studies, freshly isolated cells were reaggregated and cultured in suspension as previously described [62] Measurement of glucose and palmitate metabolism Duplicate samples of · 104 rat ... are presented as mean ± SEM, or as mean ± SD of n independent experiments Statistical analysis was performed using Student s t-test, unless stated otherwise Differences were considered significant ... toxicities were measured following culture at or 10 mm glucose The percentage of dead cells was not increased when palmitate exposure was assessed at excessive glucose levels (20 mm), which contrasts...
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Báo cáo khoa học: A nonribosomal peptide synthetase (Pes1) confers protection against oxidative stress in Aspergillus fumigatus ppt
... h, respectively (Fig 1H) Simultaneous expression analysis of A fumigatus sidD was undertaken using precisely the same culturing conditions as used for pes1 analysis, for comparative expression ... fumigatus against oxidative stress Semiquantitative analysis of pes1 expression has confirmed that the gene is present, and differentially expressed, in four strains of A fumigatus Increased levels of ... intensity were subject to LIFT-TOF ⁄ TOF analysis [47] and resultant spectra processed using FLEXAnalysis software (Bruker) Database searches and sequence comparisons were carried out via mascot...
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Báo cáo hóa học: " Antibody contributes to heterosubtypic protection against influenza A-induced tachypnea in cotton rats" potx
... influenza A viruses in mice, and reduces shedding of viruses in ferrets [12] We have used the cotton rat (Sigmodon hispidus) to study influenza pathogenesis and immunity This unique model has the ... rats can be used as a model to study heterosubtypic immunity against influenza A; animals exposed to one subtype of virus are protected from respiratory disease upon exposure to a different subtype ... recipients of H1N1-immune serum suggested that the i.p inoculation of serum may not always transfer an equal amount of antibody into the circulation To assess the quantity of antibody transferred...
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Báo cáo khoa học: " Immunization of mice with recombinant P27/30 protein confers protection against hard tick Haemaphysalis longicornis (Acari: Ixodidae) infestation" pps
... mature ticks of B microplus have different sensitivities to host acquired resistance against tick molecules In a series of experiment, the authors showed that there was evidence of severe gut ... analysis Host immune responses to the recombinant proteins were determined by immunoblot analysis for individual animals using methods described previously [22] on nitrocellulose strips with transferred ... instantly measured after dropping Egg weights were measured weeks after dropping Statistical analysis All values are given as means with standard errors (mean ± SE) Comparisons between group means were...
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Báo cáo khoa học: " Efficacy of VP2 protein expressed in E. coli for protection against highly virulent infectious bursal disease virus" pot
... noitacifitnedi dna sniarts suriv esaesid lasrub suoitcefni ruof fo A tnemges fo secneuqes psS eht fo nosirapmoc A EGM llensruoB ,H relluM ,A uoigroegapaP ,WR sreteP ,K wahS ,U seipS ,DC ssilyaB 502-391 ... :yrtluop ni esaesid lasrub suoitcefni etucA G snamelueM ,PT greB ned naV 13 654-254 ,21 ,4991 eniccaV snietorp larutcurts desserpxe-surivolucab yb decudni sniarts suriv esaesid lasrub suoitcefni ... dewohs osla sgnidnif eht ,revewoH ]3,2[ seidobitna fo sisehtnys eht ecudni ot elba si nietorp 2PV desserpxe taht seiduts suoiverp troppus stluser esehT metsys enummi laromuh eht ot detneserp...
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A Guide to BS EN 62305:2006 Protection Against Lightning Part 1 potx
... Measures System (LPMS) Design examples 91 Country house Office block Hospital Glossary and Index 113 Various tables and Figures are reproduced with the kind permission of the British Standards ... consequences can be disastrous: ● Physical damage ● All resulting in unnecessary systems downtime Most of these disturbances can be represented as an aberration to the normal mains power supply, ... a structure caused by a lightning discharge, but more on the risk of loss of human life, loss of service to the public, loss of cultural heritage and economic loss Part 3: Physical damage to structures...
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A Guide to BS EN 62305:2006 Protection Against Lightning Part 2 pdf
... 14, Type of loss For each type of loss there is a corresponding risk attributed to that loss: R1 risk of loss of human life R2 risk of loss of service to the public R3 risk of loss of cultural heritage ... risk R Identification of relevant losses The types of loss that could result from damage due to lightning must be identified for the structure The possible types of loss were previously discussed ... risk of loss of human life R2 risk of loss of service to the public R3 risk of loss of cultural heritage For each loss to be considered Identify the tolerable level of risk RT For each loss to...
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A Guide to BS EN 62305:2006 Protection Against Lightning Part 3 pptx
... plants, ammunition stores, gas compounds) High (Paper mills, industrial warehouses with flammable stock) 0.5 Ordinary (Offices, school, theatres, hotels, museums, shops) 0.01 Low (Sports stadiums, railway ... BS EN 62305-2 | Amount of loss in a structure www.furse.com Lt Type of structure All types – (persons inside the building) All types – (persons outside building) 0.0001 0.01 NOTE The values of ... can cause immeasurable and irreparable damage (as well as disastrous consequential effects) to the electrical and electronic systems housed within a structure Although R1, risk of loss of human...
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A Guide to BS EN 62305:2006 Protection Against Lightning Part 4 pps
... possibility of side strikes to the structures The basic concept of applying the rolling sphere to a structure is illustrated in Figure 4.4 A All yellow areas and the mast should be assessed for the ... structure s roof If the system must be isolated from the structure then a free standing mast could be employed See Figure 4.6 Clearly this arrangement is only suitable for smaller structures or isolated ... the system is required to be isolated from the structure then a conductor suspended between two free standing masts may be employed See Figure 4.8 This arrangement is suitable for small sensitive...
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A Guide to BS EN 62305:2006 Protection Against Lightning Part 5 pps
... side of a building due to practical or architectural constraints On these occasions more down conductors at closer spacings on those sides that are accessible should be installed as a compensating ... system of 10 ohms or less This consists of horizontal or vertical earth electrodes, connected to each down conductor fixed on the outside of the structure This is in essence, the earthing system ... floors of the structure at intervals not greater than 10m Foundation earth termination systems usually found in large structures and industrial plants are also encouraged If the reinforcing bars...
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A Guide to BS EN 62305:2006 Protection Against Lightning Part 6 pps
... electronic systems within structures Scope 71 LEMP Protection Measure System (LPMS) 72 Summary 90 69 www.furse.com BS EN 62305-4 BS EN 62305-4 Electrical and electronic systems within structures BS EN ... structures LEMP Protection Measures System (LPMS) An LPMS is defined as a complete system of protection measures for internal systems against LEMP There are several techniques, which can be used ... losses or downtime which are also due to the malfunction of equipment In continuous processes even a small transient overvoltage can cause huge financial losses Similarly, this standard does...
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A Guide to BS EN 62305:2006 Protection Against Lightning Part 7 doc
... low voltages such as RS 485 systems of serial data transmission Figure 5.15 illustrates the same scenario, but protection is achieved with overvoltage SPDs (1/2) The use of SPDs in this way generally ... differential modes, below the susceptibility (immunity) values of equipment Often the susceptibility level of equipment is unknown Table NB.3, note gives further guidance that unless stated, the susceptibility ... increased use of electronic equipment in all industry and business sectors and the importance of its continual operation, the use of enhanced SPD *s is always strongly advised Enhanced SPD *s can also...
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A Guide to BS EN 62305:2006 Protection Against Lightning Part 8 ppt
... physical damage applicable to various classifications of structures (eg hospitals, schools, museums) L t = 1× 10−4 (See Table NC.1 – inside building) NL(P) = 0.0069 c) Loss Lt defines losses due ... is a risk of loss of human life (R1) as well as illustrating the need for coordinated SPDs as part of the required protection measures (R2) www.furse.com The third example is a hospital situated ... type of floor surface is common within the structure ● The structure is a unique fireproof compartment ● No spatial shields exist within the structure ● Both electrical systems are common throughout...
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A Guide to BS EN 62305:2006 Protection Against Lightning Part 9 docx
... implications In the worst case scenario companies may go out of business because of lost data or lost production If a finite figure could be applied to these losses then the annual saving of applying the ... bank of four units (see Figure 6.5), the protective angle of 78.7 degrees (see Table 4.3, LPS Class IV) produces a radius of protection (at roof level) of 10m Each of the four AC units falls within ... time consuming and laborious method to ascertain the results by longhand calculation The process to ultimately arrive at a set of results is described in Annex G of BS EN 62305-2 It is sufficient...
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A Guide to BS EN 62305:2006 Protection Against Lightning Part 10 ppsx
... amount of loss Loss of human life Unacceptable loss of service to the public Risk of loss of human life R1 Risk of loss of service to the public R2 Protection measures Solution A Decision LPS design ... – – Assigned values Definition of zones Collection areas Number of dangerous events Expected annual loss of human life Loss of human life R1 Protection measures Solution A Solution B Solution ... electronic systems within structures 69 Scope 71 LEMP Protection Measures System (LPMS) 72 – Zoned protection concept – Earthing and bonding Structural LPS required Structural LPS not required Enhanced...
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