Effect of the fins configuration on natural convection heat transfer experimentally and numerically

... the adjacent internal fins enclosures Studying convection and conduction heat transfer analysis was carried off three governor equations (conservation of mass, conservation of momentum and conservation ... studied the natural convection heat transfer from a fins array in horizontal position The aim of their study was investigating the effects of clearance parameters on the steady-state heat transfer ... optimum heat removed from heat sink and made comparison between heat sink with square perforation and solid heat sink and determined the effect of dimensions of fins and number of perforation on heat...

Effect of biodiesel structural configuration on its ignition quality

... specify the ignition quality of any fuel The cetane number of esters of vegetable oils (Biodiesel) is greater than those of both vegetable oils and No diesel fuel [9] As indicator of ignition quality, ... Chemical Properties on Biodiesel Fuels on Injection, Combustion and Exhaust Emission Characteristics in a Direct Injection Compression Ignition Engine, International Journal of Engine Research, ... the discussions it may be concluded that the overall percentage of unsaturation or saturation may not be sole authority to decide cetane number of a biodiesel The contribution of long straight...

Tài liệu Báo cáo "Effect of the preparation conditions on the properties of Fe-Pt nanoparticles produced by sonoelectrodeposition " pptx

... composition of the Fe-Pt nanoparticles was controlled by adjusting the current density (corresponding to the applied voltage) When the current density of 15 – 20 mA/cm2, the composition of nanoparticles ... [21] The broad peak on the DSC trace in the FePt nanoparticles suggests that there was no such transition in the FePt nanoparticles upon annealing The formation of the L10 FePt phase was N.H Luong ... degassing of the electrode surface, and an increased reaction rate [15] In this paper, we report the use of the sonoelectrochemical method for the preparation of FePt nanoparticles Experimental The sonoelectrochemical...

Tài liệu Báo cáo khoa học: Salt-induced formation of the A-state of ferricytochrome c – effect of the anion charge on protein structure docx

... the anion protein interactions in A-state stabilization Competition among anions To better define the effect produced by monovalent anions on the sulfate-induced A-state of cytochrome c, we monitored ... environment of the sulfate-induced A-state of cytochrome c, as observed from changes induced in the 416 nm Cotton effect (sulfate concentration: 50 mM) The effect of sulfate (.) concentration on the ... eukaryotic c class cytochromes [27]; anions exert a strong influence on the lysine residues of cytochrome c, and significantly affect the structure and the functional properties of the protein, as the conserved...

Báo cáo hóa học: " Effect of the Nd content on the structural and photoluminescence properties of silicon-rich silicon dioxide thin film" pdf

... http://www.nanoscalereslett.com /content/ 6/1/161 function of the Nd concentration and the annealing temperature in relation with their microstructures The Nd- doped silicon- rich silicon oxide (SRSO) thin layers were synthesized ... emission of Nd3 + ions is more efficient while Si-np are formed, and while the Nd content is low (0.08 at.%) In such conditions, Nd3 + ions benefit from the sensitizing effect of Si-np and from the ... doi:10.1186/1556-276X-6-161 Cite this article as: Debieu et al.: Effect of the Nd content on the structural and photoluminescence properties of silicon- rich silicon dioxide thin films Nanoscale Research Letters 2011...

Báo cáo lâm nghiệp: " Effect of the root temperature on growth parameters of various European tree species" ppsx

... normalization Transpiration was hardly influenced Respiration showed, at the beginning of the experiment, a strong depression and later on a strong stimulation The significance of the differences to the ... restricted to the root system, but may be a specific feature of all our organs of a tree species This needs further investigation The causes of the growth influencing effect of root temperatures ... mean values of the plants with a chilled root system were related to those of the control and expressed as percentage in order to demonstrate the effect of low root temperatures (+2 °C) on physiological...

Báo cáo y học: "Birth order modifies the effect of IL13 gene polymorphisms on serum IgE at age 10 and skin prick test at ages 4, 10 and 18: a prospective birth cohort study" pps

... information on family history of asthma and allergy, as well as maternal smoking habits At ages 1, 2, 4, 10 and 18 years, the original questionnaire-based information was updated, a study investigator ... IgE screen at age 10, and with skin prick test positivity at ages 4, 10 and 18 years Univariable analysis Univariable analysis showed no significant association between birth order and IgE (serum ... in the interaction terms were IL13 polymorphisms and birth order Outcome variables include skin prick tests at ages 4, 10, and 18, total IgE at birth (cord serum) and at age 10, and inhalant IgE...

INVESTIGATION OF THE EFFECT OF THE DIFFERENT FACTORS ON THE STAR POLYACRYLATE PREPARATION BY ATRP METHOD

... addition of Cu(0) Keq = 9.37×10-7 Recommendations  Investigate the effect of the others factors on ATRP such as initiator,temperature, reaction time,…  The effect of factors on ATRP of n-butyl ... ethoxylate nonylphenol OH n Kinetics of ATRP  The rate of monomer consumption in the propagation step is provided by :  Equation (2) express the steady-state assumption for the concentration of propagating ... Investigate the effect of different factors such as ligands, monomers, additives… on the star- poly( methyl acrylate) synthesis by ATRP I Experimental section Polymerization Preparation of CuBr,...

The effect of the summer doldrums on earnings announcement returns and ERCs

... price and/ or volume reaction is affected by the timing of the earnings announcement, such as the day of the week of the announcement (Dellavigna and Pollet 2009) or the time of day of the announcement ... on the relative summer absence of noise traders and its effect on earnings announcement price reactions and earnings response coefficients (ERC’s), or the market price reaction to a unit of earnings ... primarily on the characteristics of the audience of investors for the announcement The differential beliefs and behavior of these investors can help dictate the nature of the market response to the announcement...

Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) pptx

... to the concentration in the carcass Table 2: Consumption of meat and meat products (including offal) in the adult population of Sweden, France and Italy Average daily consumption in consumers only ... decontamination of poultry Food Sci Tech Int 8: 11-24 EC (1995) Directive 95/2/EC of 20 february 1995 amended EFSA (2005) Opinion of the Scientific Panel on Food Additives, Flavourings, Processing ... depends on the initial microbial load and treatment conditions Regarding treatment conditions, there are many factors affecting the efficacy of these antimicrobials including concentration of the...

Báo cáo y học: "Ischemia as a possible effect of increased intraabdominal pressure on central nervous system cytokines, lactate and perfusion pressures" ppsx

... lactate) Secondary end-points were the evaluation of the impact of IAH on ICP and ISP, cardiovascular, respiratory and acid-base homeostasis Statistical analysis Parametric and non-parametric tests ... Cite this article as: Marinis et al.: Ischemia as a possible effect of increased intra-abdominal pressure on central nervous system cytokines, lactate and perfusion pressures Critical Care 2010 ... preload, decreased contractility, increased afterload), airway pressure (increased PIP) and acid-base homeostasis (acute respiratory acidosis) is in accordance with the currently described and accepted...

Báo cáo khoa học: " Effect of the medical emergency team on long-term mortality following major surgery"

... Psychoemotional aftermath With respect to the tsunami's psychoemotional aftermath, the full impact of the wave on the mental health of the survivors is still unknown [2] In February 2005 the World ... estimation about the force with which the victims were hit and swept away by the wave Antiinfective therapy Our intial choice of anti-infective therapy was a combination of a potent quinolone combined ... commonly followed in our facility for infection of unknown origin and generally corresponds to the guidelines of the PaulEhrlich Society for Chemotherapy [48] In addition, this approach covered major...

EFFECT OF THE NUMBER OF THE VERTICAL PIPES FOR THE PASSIVE AERATION ON THE COMPOSTING RATE

... determine the effect of the number of the ventilation pipes on the composting rate, an attempt was made to correlate the composting rate with the number of the perforated pipes for air supply in the ... ventilation effect by the natural convection (Shimizu and Morita, 1962) However, there have been no studies of the effect of the vertical pipes on the passive aeration and the composting rate The ... evolved and its evolution rate, because the airflow rate was not explicitly measured in the passive aeration Effect of the number of the vertical pipes on the composting rate The bed temperature...

Effect of the presence of coexisting substances on UV inactivation of Cryptosporidium parvum oocysts

... reduce the effectiveness of disinfectants Therefore, in this study, we examined the effects of turbid substances in suspensions of C parvum oocysts on the degree of UV inactivation of the oocysts ... irradiation of C parvum oocysts in the presence of various substances Three substances were added to suspensions of C parvum oocysts and the efficacy of UV irradiation in inactivating the oocysts ... using the animal infectivity assay In addition, we evaluated the effects of humin or kaoline, which adhere to the surface of C parvum oocysts, on the degree of UV inactivation of C parvum oocysts...

Perceived Effect of Industrial Water Pollution on the Livelihood of Rural Dwellers in Yewa Area, Ogun State,Nigeria ppt

... later is an inverse relationship that is as the perceived effect of industrial water pollution increases the income of respondents decreases 3.4 Effect of Industrial Water Pollution Figure 1: ... of industrial pollution on Livelihood of rural dwellers in Yewa area ,Ogun State Perceptional Statements about perceived effect of industrial pollution on Livelihood The water from streams always ... 11.6% of respondents have no formal education, while the remaining has one form of education or the other while only 4.6% has tertiary education 3.1.1 Perceived Effect of Industrial Pollution on Livelihood...

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