... Rayleigh wave velocity Prestrain Prestress Isotropic internal constraint a b s t r a c t In the present paper, formulas for the velocity of Rayleigh waves propagating along prin-cipal directions of prestrain ... for enough small prestrains They are no longer to be applicable when prestrains are not small The main purpose of this paper is to find exact formulas for the velocity of Rayleigh waves propagating ... explicit formulas for the Rayleigh wave speed in compressible orthotropic elastic solids Nowadays pre-stressed materials have been widely used Nondestructive evaluation of prestresses of structures before
Ngày tải lên: 16/12/2017, 00:25
... basin to reduce wave reflections Capacitance type wave probes were used to measure the incident and transmitted wave heights For all the tests, a vertical wall was installed in the basin to prevent ... insensitive to wave frequency Fig 7 shows the heave response amplitude operator, with the numerical predictions based on various values of the viscous damping coefficient The trend of the response to ... corresponding to sway, heave and roll respectively The latter potentials are proportional to the amplitude of the motion £j of each mode Thus the total velocity potential is expressed as: Trang
Ngày tải lên: 01/04/2019, 10:08
Jerry L Lucas 1994 Southern California Gas Company Response to the Northridge Earthquake
... both structures and appliance connections that were safe to return to service, • We then followed with trained technicians to restore service to structures identified in our sweeps Almost all of ... those outages due to individuals shutting off their own service as a safety precaution Approximately 151,000 customers had outages, with 88% of the outages attributable to customers shutting off ... the most severe in history It took only 10-20 seconds to cause damages estimated to be as high as $20 billion In the weeks following the earthquake, the Gas Company undertook its largest logistical
Ngày tải lên: 23/10/2022, 05:02
Exploring the Intersection of Trade Policy, Immigration, and Tax Law: A Coordinated Tax Response to the “Push” Factors Driving the Current Wave of Migration to the United States from Central America
... Citation Genevieve Tokić, Exploring the Intersection of Trade Policy, Immigration, and Tax Law: A Coordinated Tax Response to the “Push” Factors Driving the Current Wave of Migration to the United ... the total 5 AFL-CIO Report, supra note 1, at 3, 5, 18 These factors are sometimes referred to as “push” factors in driving immigrants from these countries to the United States (as opposed to ... need revenue and other assistance to combat crime and instability Lack of economic opportunity and inequality, together with other factors leading to violent crime, further exacerbate violence
Ngày tải lên: 04/11/2022, 06:51
(Skkn 2023) using a student response system (socrative app) as a pre reading technique to improve 11th students’ ability in reading skill at dien chau 5 high school
... process of using student response system (Socrative app) as a pre-reading method to improve students’ ability in pre-reading skill 28 * Teachers use of Socrative app to create pre-reading activities ... a process to use a student’s response systems to organize reading activities in teaching reading lessons in English 11 in order to improvestudents reading skill pre-9 Structure Our topic has ... content of the topic divided into 3 chapters Chapter 1: Theoretical and practical basis of the topic; Chapter 2: Using a student response system (Socrative app) as a pre-readingtechnique to improve
Ngày tải lên: 27/07/2023, 10:57
Tài liệu IMMUNE RESPONSE TO INFLUENZA VACCINATION IN A LARGE HEALTHY ELDERLY POPULATION doc
... proliferative responses from pre- to postvaccination Using a twofold rise in pre to post SI to FLU as positive, only 31.7% of the elderly population had an intact cell-mediated response (CMI * ) to influenza ... responsive- hess since postvaccination mitogen-induced prolifer- ation was not increased relative to prevaccination mitogen responses (data not shown) The preimmuni- 12000 zation profile of T-cell subsets ... in response to mitogens and FLU was expressed as a net proliferation index (NI) [NI = average cpm with stimulus — average cpm with media alone] Proliferation in response to FLU was also expressed
Ngày tải lên: 14/02/2014, 07:20
Tài liệu Báo cáo khoa học: Analyzing changes of chromatin-bound replication proteins occurring in response to and after release from a hypoxic block of replicon initiation in T24 cells pptx
... 10 h in a Beckman SW28 rotor 1.2 mL fractions were collected from the top of the gradient and processed to analyze acid insoluble radioactivity DNA cytofluorometry For cytofluorometry of cellular ... seem to be sufficient to accumulate replicons ready to initiate immediately after O2 recovery Perhaps these cells already were in G0at the time of medium exchange Yan et al [18] presented flow cytometric ... incubations were stopped, cells were fixed with acetone/methanol and total DNA was stained with bisbenzimide Subsequently cells were photographed and counted The percentage of mitotic cells was
Ngày tải lên: 21/02/2014, 00:20
Response to the Gulf Coast Hurricanes Highlights Need for Enhanced Disaster Preparedness docx
... Entrepreneurship U.S. Senate SMALL BUSINESS ADMINISTRATION Response to the Gulf Coast Hurricanes Highlights Need for Enhanced Disaster Preparedness Statement of William B. Shear, Director ... Mr. Chairman and Members of the Committee: I am pleased to be here today to discuss the Small Business Administration’s (SBA) response to the 2005 Gulf Coast hurricanes (Katrina, Rita, and Wilma), ... effort by GAO to assist Congress in assessing the response of federal, state, and local agencies to the Gulf Coast hurricanes and to identify steps that such organizations could take to improve
Ngày tải lên: 07/03/2014, 02:20
Báo cáo khoa học: The autophagic response to nutrient deprivation in the hl-1 cardiac myocyte is modulated by Bcl-2 and sarco⁄endoplasmic reticulum calcium stores ppt
... deprivation Autophagy is strongly upregulated in response to nutrient deprivation [19,29] To examine the autopha-gic response to starvation in HL-1 cells, GFP–LC3-expressing cells were subjected to nutrient ... Bcl-2 to the S⁄ ER has previously been reported to suppress autophagy in response to nutrient deprivation, as indicated by the decrease in the percentage of cells displaying numerous autophagosomes ... autophagy High S⁄ ER Ca2+ stores are required for autophagy [40] We found that Bcl-2-ER suppressed autophagic activity, similar to the previous report [14] and reduced S⁄ ER Ca2+ content, as previously
Ngày tải lên: 07/03/2014, 09:20
Báo cáo khoa học: DNA-binding characteristics of the regulator SenR in response to phosphorylation by the sensor histidine autokinase SenS from Streptomyces reticuli doc
... closely related to SenS–SenR Abbreviations EMSA, electrophoretic mobility shift assay; LC, liquid chromatography; RR, response regulator; SenRP, phosphorylated SenR; SenS c , cytoplasmic domain ... hyphae In response to nutritional stress and extracellular signa-ling, aerial hyphae develop, in which spores mature [7] As soil-dwelling organisms, streptomycetes need to respond to highly variable ... is induced [18] Taken together, the presented data show clearly that SenS is a histidine autokinase SenScphosphorylates and dephosphorylates SenR As SenR was predicted to be the cognate RR of
Ngày tải lên: 07/03/2014, 10:20
Báo cáo khoa học: Human skin cell stress response to GSM-900 mobile phone signals In vitro study on isolated primary cells and reconstructed epidermis docx
... has been described as a normal response to thermal and chemical stress (i.e thermo-tolerance and chemothermo-tolerance), but has never been considered to be damaging to cells In the second phase, ... in contrast to UVB, which induced strong expression in all compartments Hsp70 was expressed in NHEK at a basal level, as shown in Fig 4 The keratinocytes expressed Hsp70 in their cytoplasm and ... expression was noticed in the cytoplasm with perinu-clear aggregation Hsp27 expression was only cytoplasmic and remained unchanged after GSM exposure (Figs 3G,H,J,K and 5B), whereas it was expressed
Ngày tải lên: 07/03/2014, 11:20
Báo cáo khoa học: Identification and characterization of 1-Cys peroxiredoxin from Sulfolobus solfataricus and its involvement in the response to oxidative stress pdf
... observed was less marked To evaluate bcp2 expression in response to growth phases, the RNA obtained from cultures harvested at 0.3, 0.6 and 1.0 OD600 nm corresponding to early, mid and station-ary ... (DTT⁄ Fe3+⁄ O2); in the presence of an electron donor, such as dithiothreitol (DTT), Fe3+ catalyses the reduction of O2to H2O2, which is further converted to OH• by the Fenton reaction [18] The ... solfataricus and its involvement in the response to oxidative stress Danila Limauro1, Emilia Pedone2, Luciano Pirone2and Simonetta Bartolucci1 1 Dipartimento Biologia Strutturale e Funzionale,
Ngày tải lên: 07/03/2014, 12:20
Báo cáo khoa học: Covalent activation of heart AMP-activated protein kinase in response to physiological concentrations of long-chain fatty acids docx
... b-oxidation to increase prior to suppression of carbohydrate utilization [70] It is difficult to see how this could be achieved without a preceding decrease in malonyl-CoA sufficient to allow activation ... light/11 h dark cycle with light from 06:00 h to 19:00 h Rats were anaesthetized with sodium pentobarbitone (300 mgÆkg)1) injected intraperiton-eally prior to removal of the heart Hearts from fed animals ... uptake, apoptosis, insulin receptor substrate 1, mammalian target of rapamycin kinase (mTOR), mitogen-activated protein kinase kinase 3, c-Jun N-terminal kinase, translation elongation factor eEF2
Ngày tải lên: 07/03/2014, 15:20
Can’t Shake that Feeling: Event-Related fMRI Assessment of Sustained Amygdala Activity in Response to Emotional Information in Depressed Individuals pptx
... depressed individuals up to 6 sec after their responses to stimuli on an emotional valence identification task (Siegle et al 2001a) Such sustained pupil dilation was not present in response to ... 2001) and was therefore used to further specify hypotheses Using a Formal Model to Generate Predictions Predictions for changes in fMRI scanner signal in response to positive, negative, and neutral ... of depression are operationalized in the model as prolonged exposure to some negative information Connections to representations of this negative information are thereby strengthened To represent
Ngày tải lên: 07/03/2014, 17:20
Báo cáo khoa học: Gene expression in response to endoplasmic reticulum stress in Arabidopsis thaliana ppt
... by binding to their UPR cis-acting regulatory element (UPRE), CAGCGTG [6–8] In mammals, four kinds of cis-acting regulatory elements, which respond to ER stress, are known Mammalian UPRE (TGACGTG-T⁄ ... stress by inhibiting BAX activation and translo-cation to mitochondria, by preserving the mitochond-rial membrane potential, and by suppressing caspase activation [70] BAX and Bcl2, and their ... binding to the amino acid response element (AARE) in the regu-latory regions of these genes [23] ATF4 has also been shown to stimulate the transcription of CHOP, which is important for apoptotic
Ngày tải lên: 07/03/2014, 21:20
Strengthening the Education Sector Response to School Health, Nutrition and HIV/AIDS in the Caribbean Region: A Rapid Survey of 13 Countries pdf
... recognizes the education sector as a key partner within the multi-sectoral response to HIV For two decades, similar to patterns of response globally, the Caribbean response to the HIV/AIDS epidemic ... lifelong learning experiences as central to the education sector response to the epidemic Later, in an effort to strengthen and harmonize education sector responses to HIV across the region, the Caribbean ... systematiceducation sector response to the epidemic An assessment of the Caribbean education sector conducted in 2006 found that countries were at different stages in developing acomprehensive response to HIV
Ngày tải lên: 14/03/2014, 20:20
Individual Preparedness and Response to Chemical, Radiological, Nuclear, and Biological Terrorist Attacks - A Quick Guide potx
... you could not evacu-ate quickly enough to avoid inhaling potentiallyradiation-laden dust Second, you are unlikely toknow where to go to be safe or even how to get theresafely, since you will have ... least three stories below the roof to avoid the fallout deposited there You must stay inside this shelter for at least 24 to 48 hours to allow the radioactivity of the fallout to decline to safe levels ... authorities are unlikely to detect the radiationimmediately, so you will need to be able to respond on your own, without knowing whether or notradiation is present Your primary goal is to avoidinhaling
Ngày tải lên: 15/03/2014, 15:20
Báo cáo khoa học: Apoptosis and autophagy: BIM as a mediator of tumour cell death in response to oncogene-targeted therapeutics pptx
... for mTOR in regulating BIM expression The earliest study to suggest this demonstrated that treatment of haematopoietic progenitor cells with the mTOR inhibitor, rapamycin, increased BIM expression ... serve to sensitize cells to other pro-apoptotic stimuli or therapeutics Non-small cell lung cancers with epidermal growth factor receptor mutation Over-expression of the epidermal growth factor ... of TOR mTOR exists in mammalian cells as two distinct complexes: mTORC1 (composed of mTOR, mLST8 and raptor) regulates cell growth via the effectors S6K1 and 4E-BP1, whilst BIM as a mediator
Ngày tải lên: 16/03/2014, 00:20
Báo cáo khoa học: Functional studies of crustacean hyperglycemic hormones (CHHs) of the blue crab, Callinectes sapidus – the expression and release of CHH in eyestalk and pericardial organ in response to environmental stress pot
... redistribution of hemolymph to increase the flow, especially to the 60 120 180 * ** *** 22 to 22 22 to 29 22 to 4 100 200 300 Temperature (°C) 22 to 22 22 to 29 22 to 4 Temperature (°C) ** S -H ... tissue-specific regulation of CCAP expression Likewise, the present results concerning PO-CHH and ES-CHH expression in response to oxygen level suggest that the regulation of CHH expression is different and ... in this species were studied with regard to expression and release in response to stressful episodes: hypoxia, emersion, and temperatures Animals exposed to hypoxic condi-tions responded with concomitant
Ngày tải lên: 16/03/2014, 06:20
THE ECB’S RESPONSE TO THE FINANCIAL CRISIS pdf
... crisis also began to spread to the real sector, with a rapid and synchronised deterioration in economic conditions in most major economies and a free fall in global trade The ECB’s response to ... turmoil the ECB was quick to adjust the provision of liquidity to the banking sector Moreover, it did not hesitate to reduce interest rates to historically low levels and to implement a broad set ... 2) The ECB’s response to the financial crisis Autonomous factors are defined as the sum of banknotes in circulation plus government deposits minus net foreign assets plus other factors Minimum...
Ngày tải lên: 22/03/2014, 17:20