the influence of particle attrition and fragmentation

... affecting the VTA DA neurons These two methods took into account the dynamics of AMPA and NMDA signals of the complete response and not just the maximum, making them more suitable in understanding the ... interrupt the connections between the PFC and the rest of the brain [28] The post-surgical care and drug administration were identical to the PFC intact animals The disruption between PFC and VTA ... performed analysis of the synaptic response by estimating the areas under the AMPA and NMDA EPSC curves This allows us to better understand the dynamics of the synaptic charge transfer and provides...

Ngày tải lên: 19/06/2014, 08:20

... perform the experimental work and the statistical analysis and helped to draft the manuscript SR helped to conceive of the study, participated in its design and coordination, and helped to draft the ... examined the relative influence of serum, glucose, and oxygen supply, singly or combined, on the growth pattern of bovine IVD cells Since the nutrient supply affects the NP more than the anulus ... extents These areas warrant further investigation, as the actions of individual growth and survival factors that may enter the disc from the vascular supply or that may be synthesised by IVD cells themselves...

Ngày tải lên: 09/08/2014, 10:23

... (n = 601) and 18-month followup interviews (n = 539), we later restricted the data set to 371 of the baseline cohort (55% of total registry) and 242 of the follow-up subjects (65% of restricted ... not meeting the previous definition of recent) As a result, the hospitalization and intubation subscale now reflects only prior history of intubation Several other clinical aspects of asthma were ... evaluated the association between baseline characteristics and the risk of hospitalization for asthma during the ensuing 18-month follow-up period, reported at the 18-month interview We use the data...

Ngày tải lên: 12/08/2014, 18:20

... determinants of the evolution of the female wage and the widening of the gender gap over time Notice that, although their findings not contradict this thesis’ initial hypothesis, they find that ... limiting the framework from which the main hypothesis is stated These are: the human capital model; the theory of discrimination; the gender gap and gender occupational segregation; the skill-bias ... back; and women are vulnerable to both of these because of motherhood Finally, the authors also show that an important part of the wage gap remains unexplained: 50% for the upper part of the distribution...

Ngày tải lên: 10/10/2014, 23:14

... from the material surface through the sputtering process are used to analyze the chemical composition of the material, these represent a small fraction of the particles emitted from the sample There ... spectrum of the surface The mix of elemental and cluster ions in the spectrum can generate a rich store of information regarding the chemistry of the surface layer Hence static SIMS is a technique of ... reactor temperature profile Thermocouple diameter is about 0.5 mm in the case of reactor temperature measurement The reactor is positioned at the center of the furnace and the 0.5 mm thermocouple is...

Ngày tải lên: 14/09/2015, 08:27

... clarify the influences induced by the thermal pretreatment on the support , gold nanoparticles and in turn the influence on the catalytic activity towards CO oxidation and PROX reaction XRD profiles ... not be the same as the other system Even for the same oxide support, preparation method may affect the Au particle sizes, the oxide support morphology and structure, and the presence of impurities ... in the system, all of which would possibly change the catalytic activity 51 In this chapter iron oxide is selected as the support of the Au catalysts, and the effect of preparation methods on the...

Ngày tải lên: 14/09/2015, 08:27

... ethanol solvent and then dried over a carbon grid The average size of the Au particles and its distributions were estimated by counting about 300 Au particles The Au and Ti contents of prepared catalysts ... band of the Au/TiO2 catalysts However the CO+O2 adsorption 121 results in evident observation of Ti-O-H as well as the enhanced intensity of the 3300cm-1 band, indicating the participation of the ... ions, and the latter binds the Au particle to the oxide support, thus each Au particle is decorated with a layer of Au ions The structure is not fixed, and the Aun+/Au0 ratio may change during the...

Ngày tải lên: 14/09/2015, 08:27

... is the most active among these four samples The area of the TPR peak of CuO (CB) is much smaller than that of other three samples, suggesting smaller amount of movable oxide ions The presence of ... calcined at 200oC and 300oC。 The results might indicate that the size of the gold particle has greater influence over CO oxidation activity than the dispersion of the gold particles Long-term ... enhances the reducibility of CuO(CB) Under similar experimental conditions (amount of the sample etc) the peak area of the Au/CuO (CB) catalyst is several times that of CuO(CB) Nevertheless the oxide...

Ngày tải lên: 14/09/2015, 08:27

... one of the earliest and most investigated support for gold nano particles is chosen as the support Although both experimental and theoretical researches concerning the effect of gold nanoparticle’s ... out in future to understand how the use of capping agent in colloid-based impregnation method and the post-growth treatment can well control the gold particle distribution and improve its catalytic ... of a reaction mechanism similar to those proposed by G.C Bond and H.H Kung All these results provide deep insights on the gold catalysis and valuable guidance for future study of it In this thesis...

Ngày tải lên: 14/09/2015, 08:27

... in the diameter from nm.50,51 The smaller the particle, the greater will be the fraction of atoms directly in contact with the support and therefore influenced by it, while at the same time the ... those of copper or silver, and accounts for the ready formation of the Au- state The former effect obviously explains the predominance of the AuIII state, which has the 5d8 configuration The AuI ... Support The importance of the metal oxide support to the nanogold catalysts is the topic of many papers 89-95 Firstly, the oxide support may act as a stabilizer of the Au particle dispersion Hence the...

Ngày tải lên: 14/09/2015, 08:27

... than the level of HLA-DR in the cell lysates (5ul of a in 10 dilution, from x 106 PBMC) The shed HLA-DR therefore seemed to represent a small fraction of the total HLA-DR of the cell, however the ... expression of both the percentage of monocytes expressing HLA-DR and the density of HLA-DR expression have been observed as a feature of sepsis [4;5;7;8;22-25] Only recently have the possible ... express HLA-DR on their surface [3] To assess the relative contribution of shed to total HLA-DR, the sHLA-DR in the plasma was compared to the total HLA-DR present in cell The level in the plasma (40ul...

Ngày tải lên: 03/11/2012, 09:57

... network There is a flow of resources within the network Points of Difference: • SN theorist (and early marketing researchers) seek to describe individual actors and their relations/patterns of connections ... thought and practice? • • How does the marketing perspective compare to the sociological perspective? What are the three key perspectives of SNT that have influence marketing theory and practice? ... other nodes and controls the flow of resources Marketing Applications • Word of Mouth – Actors: opinion leaders, gatekeepers/market mavens and followers • Those who are likely to influence others...

Ngày tải lên: 24/10/2013, 20:15

... or humor of the head Immediately after the Doctor left the house, the mother besmeared the tip of her finger with a little of the "strong juice" from the grandmother's tobacco pipe, and proceeded ... make powder of it, and then put it in one of the ends of said cornet or pipe, and laying a cole of fire upon it, at the other end sucke so long, that they fill their bodies full of smoke, till ... Surgery in the Medical Institution of New Hampshire, at Dartmouth College; Professor of Surgery and Obstetrics in the College of Physicians and Surgeons in the Western District of the State of New...

Ngày tải lên: 17/02/2014, 22:20

Ngày tải lên: 18/02/2014, 11:20

... in vols and of "Studies on the History of Soviet Cinema", in preparation bythe Cinema Section of the Institute of History of the Arts of the Academy of Science of the U S S R Describes the development ... cent of the boys and per cent of the girls went to the cinema The level of education, the social milieu and the h o m e had an influence on the frequency of visits to the cinema Three out of four ... importance,because of its bearing on their habits and behaviour as film-goers, on their understanding of the medium and the effects it has upon them, on measures of censorship and legislation ,and on the production...

Ngày tải lên: 07/03/2014, 15:20

... diffusion of silicon atoms from the surface to the catalyst/NW interface Here, h is the height of the NW and O is the atomic volume of a silicon atom in a silicon lattice, the factor is the ratio of the ... spacing in the catalyst bulk, and k is the factor of the order 0.5 The input flux Jinp is determined by the number of molecules, which impinged and would be really adsorbed on the surface (if the surface ... time of the surface mass transfer towards the boundary line between the catalyst particle and the NW sidewall A relative role of the surface transport can be characterized by the ratio of times...

Ngày tải lên: 16/03/2014, 15:18

... April 6, 2011, and April 11, 2011 The panel consisted of 15 individuals—three from RAND and twelve from other institutions (see the list of panelists at the end of the document) Their combined ... Children and Families (ACF) and the Office of the Assistant Secretary for Planning and Evaluation (ASPE) within the U.S Department of Health and Human Services The goal of the task order is to develop ... report was sponsored by the U.S Department of Health and Human Services and was conducted in RAND Health, a division of the RAND Corporation The R AND Corporation is a nonprofit institution that...

Ngày tải lên: 30/03/2014, 05:20

... Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited without ... permission Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited without ... permission Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited without...

Ngày tải lên: 03/06/2014, 02:16

... nitrate anions The thermal treatment of the samples at 500–1100°C for h led to the formation of faceted crystallites and an increase in their size to µm The shape of the final particles was substantially ... interactions of hydroxyapatite with the anions of the initial salts: adsorption of acetate anions on the HA surface, substitution of chloride ions for the hydroxyl groups of HA, and “inertness” of nitrate ... adsorption of the corresponding ions on the surface of HA crystals Further annealing will lead to decomposition of the corresponding calcium salt, i.e., to the removal of the impurity Based on the analysis...

Ngày tải lên: 12/06/2014, 19:28

... smaller is the numerator and therefore the worse the situation of development Conversely, the closer the observed value is to the maximum value, the better the situation in terms of development The ... with the groups (BHG and MCG) and the homogeneity of the sample was verified through the Shapiro Wilk test Given the nonnormality of the sample, the Mann-Whitney test was used for checking the ... activity may lessen the severity of stroke, improving quality of life and the capacity for work and leisure, thereby reducing the chances of new strokes and the functional imitations they can bring...

Ngày tải lên: 20/06/2014, 15:20