hofstadter apos s butterfly history and recent developments

... different types of combustible materials And modeling responses to these input parameters are needed to be addressed 1.2.3 Combustion processes of gas volatiles in gas phase Gas volatile such as CO in ... application, FiresCone has considered as many fire processes as possible, such as heat conduction, pyrolysis reactions, transportation of liquids and gas volatiles inside materials, volume change, ... considered to simulate pyrolysis processes within combustible materials In the gas phase, two-dimensional Navier-Stokes equations were adopted to simulate combustion processes of gas volatiles which...

Ngày tải lên: 09/09/2015, 11:28

... policies; assists members to establish chainof-custody systems and provides monitoring of such systems Two Sides The initiative provides general information about supply chains for printed products, ... external assessment process using independent assessors (PEFC website) Other members include schemes from Belarus, Cameroon, Estonia, Gabon, Ireland, Lithuania, Malaysia, Poland, Russia, and Uruguay ... monitors and reports about its own harvesting and manufacturing processes Typical outputs include sustainability reports, emissions reports, reports on social indicators, resource usage reports,...

Ngày tải lên: 22/02/2014, 09:20

... results Some assumptions, such as simplification of the chemical system (e.g P(CH3)3 replaced by PH3) are easy to assess because of their steric consequences However, more esoteric assumptions ... viscosity Jonas and co-workers15"17 reported somewhat unusual pressure effects in several systems in which the rate constant first increased and then decreased with increasing pressure Representative ... 1.2.5 Second-Order Irreversible System This system can be obtained as a special case of the reversible system by simple consideration of the stoichiometry conditions If B is the excess reagent and...

Ngày tải lên: 01/04/2014, 10:37

Ngày tải lên: 08/08/2014, 14:21

... phospholipid-copolymer system with desired stability and sensitivity 3.2 Results and Discussion 3.2.1 DLS for unilamellar vesicle-Pluronic F-127 system For pure F-127 in the absence of vesicles, ... motivation, objectives and scopes of this research work have also been pointed out The materials and methods will be described in Chapter Chapter presents the results and discussion for the study of interaction ... Chen Shing Bor for his supervision, guidance and fruitful discussions that have been invaluable to me throughout my graduate study His ideas, passions in research and constructive comments always...

Ngày tải lên: 11/09/2015, 09:57

... on musical subjects using high ISIs, a clear link between musicality and larger MMN amplitudes suggests that musical subjects possess enhanced auditory sensory memories as compared to nonmusical ... auditory and visual stimulus discrimination tasks, measured amplitude is greater, with smaller corresponding latencies, in lefthanded subjects versus right-handers Similar differences in P3b ... findings in cases versus controls for most such studies is unclear, as most extant studies are descriptive and limited in power and generalizability Still lacking are large-scale, blinded, randomized,...

Ngày tải lên: 02/11/2012, 11:08

... statistical analysis using the SPSS Windows statistical package version 16.0 To address our first question, we ran the One- sample t-test to see the frequencies, means and standard deviations ... University Medical Center As for them, boys and girls use different parts of their brains to process some basic aspects of grammar Their study suggests that girls mainly use a system that is based ... strategy type is social strategies Respecting the relationship between personality types and strategy choice, Ehrman (1990) suggests that “each personality trait is associated with “assets” and...

Ngày tải lên: 29/01/2014, 00:23

... phosphoric acid, respectively The high resolution mass spectrum (ESMS) was obtained by G Willett, School of Chemistry, University of New South Wales, Sydney, Australia Isolated DNA incubations Scheme ... that this approach works in vitro, the targeting of specific restriction enzymes is difficult to achieve in patients and most mtDNA diseases are not associated with a unique restriction site Therefore ... and subsequently merged to indicate colocalization The laser intensity, iris and gain settings were identical for all images shown To assess whether mitoDC-81 could completely deplete mtDNA and...

Ngày tải lên: 20/02/2014, 11:20

... tissue was stimulated transmurally with trains of rectilinear pulses of ms Stimulation trains were given at 20 -s intervals and consisted of seven stimuli of 1-ms duration with 10-ms intervals ... case of trans EM2OH Crystal structure of EM2OH The EM2OH crystal consists of two independent conformers (conformers A and B) and seven water molecules per asymmetric unit These conformers are shown ... times of 80 ms and 300 ms, respectively ROE intensities were classified into three groups (strong, medium, and weak) to estimate proton-proton distance A possible torsion angle was estimated from...

Ngày tải lên: 30/03/2014, 20:20

... increases COX-2 and mPGES-1, as well as prostaglandin synthesis, in absence of LPS As shown in Fig 4D-E, there was a trend to enhancement of COX-2 and mPGES-1 expression However, PGE2 synthesis was ... glycogen synthase kinase-3, Akt, prostaglandins FINDINGS Inflammation has been recognized not only as a mere bystander in neurodegenerative diseases but also as a factor driving disease progression ... these pathways in regard to the expression of cyclooxygenase (COX)-2 and microsomal prostaglandin E synthase-1 (mPGES-1) and to the production of prostaglandin (PG) E2 and PGD2 Findings We show...

Ngày tải lên: 19/06/2014, 22:20

... combination and infected with HSV-2 (MS or G strain) at the MOI of PFU per cell HSV-1 (KOS and F strains) were also tested using the same MOI and served as controls The efficiency of HSV-1 strains KOS and ... [6] Studies performed by Alché et al suggested that MA exerts the antiviral action on both synthesis of viral DNA and maturation and progress of HSV-1 on Vero cells [7] In vivo studies have shown ... virus inhibition was the consequence of a blockade in virus replication and no to host cells death The validity of these findings was provided by the inclusion of HSV-1 KOS and HSV-1 F strains...

Ngày tải lên: 20/06/2014, 01:20

... applications and bioinformatics He held research and teaching assistantship positions and was the recipient of the Murphy Fellowship (2001-2002) His work is also funded by the Alexander S Onassis Postgraduate ... embedding and detection schemes support constant and variable bitrate main profile MPEG-2 program streams and MPEG-1 system streams, as well as video-only MPEG-1/2 streams (only progressive sequences ... teaching and research assistantship positions in Aristotle University of Thessaloniki Dr Simitopoulos has participated in several research projects funded by the European Union (EU) and the General Secretarial...

Ngày tải lên: 23/06/2014, 01:20

... • • • rule-based systems at Stanford (MYCIN) and Rutgers (for glaucoma) , Bayesian statistical systems (for computer-assisted diagnosis of abdominal pain), cognitive model systems (for internal ... fatigue and stress There is a consequent need for automated decision aids Expert systems for combat support could assist greatly It appears that information sources consist currently of hand-written, ... operations, intelligence, logistics, and fire-support officers into operations, intelligence, logistics, and fire-support expert systems to aid these officers; how to automate screening messages and...

Ngày tải lên: 10/08/2014, 01:22

... cases of measles A population of at least is required to provide sufficient susceptible individu Measles rash on a child s back SSPE is a non-transmissible disease To successfully el measles, ... English and published in 1847 The measles virus itself was first discovered in 1930, and John F Enders of the Children s Hospital in Boston successfully isolated the measles virus in 1954 Enders ... genus Tinea comprises species that cause conditions commonly described as “jock itch” and “athlete s foot.” Scalp infections are also caused by some species of fungus Viruses are also the cause...

Ngày tải lên: 10/08/2014, 03:20

... biopsies and also with FDG-PET, this imaging procedure is useful to evaluate disease extension before treatment and response to RIT in FL A recent study has shown that the post-RIT PET result is ... blood samples for bcl2 t(14;18) translocation was performed at baseline and thereafter Safety was assessed by adverse events (AEs), with toxicity grading based on the National Cancer Institute ... two patients have died: one for acute renal failure and one for ictus cerebri Discussion In follicular lymphoma retreatment typically yields progressively less satisfactory responses than the...

Ngày tải lên: 10/08/2014, 10:21

... infections with both clades occurred simultaneously at these holdings Work is in progress to clarify these cases by sequencing clones of HA gene fragments A similar situation was also encountered ... been stressed recently [24] The current assay provides this update The assay is tailored to suite the special Egyptian situation Therefore, the multiplex assay is not recommended for use elsewhere, ... commercial farms, backyard birds, feral birds and humans is incomplete but urgently required to improve control measures So far, assignment of viruses to either lineage requires virus isolation and antigenic...

Ngày tải lên: 12/08/2014, 01:22

... discoveries that EGCG has a preventive effect in aging-related neurodegenerative diseases such as Parkinson 's disease or Alzheimer 's disease, as well as cardiovascular diseases and ischemic damage ... phagocytosis [18] 1.3.5 Antioxidant defense systems The ROS levels in most organisms are properly controlled since an antioxidant defense system is assumed to be involved in scavenging ROS and protecting ... 35 and >45 for young, middle-aged and old groups, respectively The senescence status was confirmed by the positive staining of senescence-associated β-galactosidase (SA-βG) assay EGCG (Funakoshi...

Ngày tải lên: 11/09/2015, 16:05

... (Eriksson, Johansson and Danvind 2007) The stages can be defined as Stage X ≥ X is Stage II X is > X > X fsp Stage III X > X fsp (1.1) where X denotes the moisture content in wood, Xis is the moisture ... The effects of moisture on thermophysical terms Spontaneous ignition within bulk solids is often handled using Frank-Kamenetskii model as discussed in Section 1: Introduction under sub-heading: ... Analysis (EA) and Fourier-transform Infra-red (FTIR) spectroscopy are also performed to determine chemical functionality responsible for oxygen chemisorption • Results analysis and discussion...

Ngày tải lên: 14/09/2015, 14:14

... wood as a single homogenous species or a sum of constituents, those foregoing works largely describe wood pyrolysis as one-stage, multi-step global models These proposed models have assumed the ... equations contains the second derivative of the state variables such as temperature (T ) , pressure ( ps ) and mass fluxes of respective species The computational solution of Rev through the systems ... equation Since it is not a pressure-driven flow, pressure is assumed constant Such simplification in mass transfer is often made so that analytical models ascribed to certain complex combustion...

Ngày tải lên: 14/09/2015, 14:14

... Asset substitution problem Arises when the stockholders substitute riskier assets for the firm 's existing assets and expropriate value from the debtholders Asset swap An interest rate swap used ... the cash flow from a particular asset or set of assets for a return on, and the return of, their financing Asset classes Categories of assets, such as stocks, bonds, real estate and foreign securities ... recession Business failure A business that has terminated with a loss to creditors Business risk The risk that the cash flow of an issuer will be impaired because of adverse economic conditions,...

Ngày tải lên: 05/10/2012, 08:22