the creep of solid metals
Báo cáo y học: "Clinical Strategy for the Management of Solid Pseudopapillary Tumor of the Pancreas: Aggressive or Less"
Ngày tải lên :
25/10/2012, 11:40
... whom the mass was located in the portion of body or tail of the pancreas For tumors of SPT located in the neck and body of the pancreas, resection of the midportion of the pancreas and the mass ... and the level of detections were all within normal limits The median diameter of the lesions was 8.0 cm (range 4-20) Nine patients had their tumors within the head, in the body and in the tail of ... 311 Fig The CT scan indicated the typical internal or capsular calcification in the SPT Once the diagnosis of SPT is made, surgery is the first choice of treatment, since other adjuvant therapies,...
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The effect of noble metals on catalytic methanation reaction over supported mn ni oxide based catalysts
Ngày tải lên :
02/09/2015, 13:47
... trend with the addition of nickel loading The above results suggested that the high calcination temperature activates the catalytic centres of the catalyst, thus enhancing the activity The calcination ... catalysts suggesting the well dispersion of these species on the surface of the catalysts that below the FESEM micrographs of Ru/Mn/Ni(5:35:60)/Al2O3 calcined at 1000 °C for h, (a) as-synthesis, (b) fresh, ... contributed the highest percentage of weight ratio since the usage of alumina (Al2O3) as support in this research As-synthesis catalyst showed the presence of 6.16 wt% of Ni, 2.49 wt% of Mn, and...
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Effect of size and volume fraction of reinforcement on the properties of light metals
Ngày tải lên :
05/10/2015, 19:04
... fractions of reinforcement are possible, thus maximizing the improvement of the properties of the matrix The main difficulty in this process is the removal of the binder used to hold the powder ... across the foil interfaces This process combines the advantages of ease of processing a wide variety of matrix metals, and the control of orientation and volume fraction of the fibers The main ... decrease in the contact angle through the various methods: • Increasing the surface energy of the solid • Decreasing the solid- liquid interfacial energy • Decreasing the surface tension of the liquid...
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"The Potential of Cellulosic Ethanol Production from Municipal Solid Waste: A Technical and Economic Evaluation" doc
Ngày tải lên :
09/03/2014, 00:20
... the University of California, the University of California Energy Institute or the sponsors of the research Readers with further interest in or questions about the subject matter of the report are ... results of and information about energy research at the University of California campuses Any conclusions or opinions expressed are those of the authors and not necessarily those of the Regents of the ... Table summarized the effect of dilute sulfuric acid pretreatment on MSW feedstocks Dilute acid pretreatment of MSW left most of the glucan from raw MSW In the solids about 12 - 84% of the original...
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Assessing the hazard of metals and inorganic metal substances in aquatic and terrestrial systems
Ngày tải lên :
16/03/2014, 11:45
... highlighted the state of the science regarding the interpretation of PBT for metals These presentations provided the 44400_C001.fm Page Wednesday, November 15, 2006 9:04 AM Assessing the Hazard of Metals ... to the development of the Biotic Ligand Model (BLM) (Di Toro et al 2001, 2005) The purpose of the workshop was to allow for a focused discussion regarding the fate and effects of metals in the ... possible risk if the substance enters the environment, with the degree (probability) of risk related to the hazardous nature of the substance and the amount of exposure that occurs Therefore, substances...
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Estimating the burden of disease attributable to indoor air pollution from household use of solid fuels in South Africa in 2000 pdf
Ngày tải lên :
29/03/2014, 18:20
... logarithm of the published RR estimates as the entered means of the distribution and the standard errors of these RR estimates derived from the published 95% CIs (Table I) For each of the output ... possible risk The attributable fraction of disease burden in the population is determined by the prevalence of exposure to the risk factor in the population and the relative risk (RR) of disease ... maintain that these exposures can differ considerably because of different conversion technologies The theoretical minimum for this risk factor is no use of solid fuels for the production of household...
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the crc handbook of solid state electrochemistry 1997 - gellings
Ngày tải lên :
16/04/2014, 11:22
... as a consequence of the disorder introduced by the presence of the defects If x is the mole fraction of a certain type of defect, the entropy increase due to the formation of these defects is ... that the influence of the surface dipole layer can be considered as the effect of a layer of infinite extension If one could measure the energy for the transfer of the electron from the bulk of a ... In these equations IIµ z+ is the solvation free enthalpy of the ion, Iµ – is M e i the binding free enthalpy of the electron in the metal The sum of ∆Gi corresponds with the difference in the...
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the organometallic chemistry of transition metals
Ngày tải lên :
09/05/2014, 17:07
... mandate the use of renewable fuels The presence of d electrons in their valence shell distinguishes the organometallic chemistry of the elements of groups 3–12 of the periodic table, the transition ... consider the s, the three p, and the five d orbitals of the valence shell of the isolated ion as well as the six lone pair orbitals of a set of pure σ -donor ligands in an octahedron around the metal ... orbital to give the π component of the M−CO bond The shading refers to occupancy of the orbitals and the + and − signs, to the symmetry The M−CO σ bond is formed by the donation of a lone pair...
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Báo cáo hóa học: " Changing patterns in diagnostic strategies and the treatment of blunt injury to solid abdominal organs" docx
Ngày tải lên :
21/06/2014, 01:20
... the lack of any research that proves that the mortality and disability rates of injured patients decrease after the implementation of the ATLS concept [18] One of the current discussions in the ... response The decision for treatment should always be based on the clinical situation and the physiological response of the patient to initial resuscitation A determinant of the success of NOM is the ... and the localization of these vascular injuries can also be established Third, the MDCT scan plays a decisive part in the order of treatment if more than one injury is present [17] Because of the...
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The Project Gutenberg EBook of Solid Geometry with Problems and Applications (Revised edition) potx
Ngày tải lên :
28/06/2014, 19:20
... plane ⊥ the edge of a dihedral angle is ⊥ each of its faces Why? If each of three lines is ⊥ the other two at the same point, then each is ⊥ the plane of the other two Why? Find the locus of all ... Projection of a Figure on a Plane The projection of a point on a plane is the foot of the perpendicular from the point to the plane The projection of any figure on a plane is the locus of the projections ... perpendicular to the other, then this line lies in the first plane and is perpendicular to the intersection of the two planes Proof : By the theorem there is a line through P which lies in the plane...
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Báo cáo y học: " Prompt improvement of a pressure ulcer by the administration of high viscosity semi-solid nutrition via a nasogastric tube in a man with tuberculosis: a case report" pdf
Ngày tải lên :
11/08/2014, 14:21
... observed in out of 14, or 64.2% of patients (unpublished data) The third advantage is that semi -solid nutrition can shorten the duration of administration The bolus administration of liquid nutrition ... order to prevent the reflux, continuous administration is required [9] The manufacturer of the nutrition we used for this patient recommends that the administration of the semi -solid nutrition ... viscosity, semi -solid nutrition has several advantages One advantage is the reduction of gastroesophageal reflux with the resultant prevention of aspiration pneumonia [3] The rate of proximal stomach...
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Báo cáo y học: " Hematemesis, a very rare presentation of solid pseudo-papillary tumors of the pancreas: a case report" pdf
Ngày tải lên :
11/08/2014, 21:22
... performed The surgical specimen included a bluish mass localized in the head of the pancreas Pathology and immunohistochemistry of the tumor revealed a SPT The postoperative course of the patient ... mass at the epigastrium, the left or the right hypochondrium [2] Furthermore, pain can also be the first sign of a SPT [2] To our knowledge, this is the first case where the first sign of SPT ... on the location of the tumor, represent the procedures of choice [2] The mean size of SPTs is 6.08 cm, so the tumor in this case is classified as small Conclusion In our case, the most noteworthy...
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Assessing the Hazard of Metals and Inorganic Metal Substances in Aquatic and Terrestrial Systems - Chapter 1 ppsx
Ngày tải lên :
12/08/2014, 04:22
... Additional presentations highlighted the state of the science regarding the interpretation of PBT for metals These presentations provided the © 2007 by the Society of Environmental Toxicology and ... possible risk if the substance enters the environment, with the degree (probability) of risk related to the hazardous nature of the substance and the amount of exposure that occurs Therefore, substances ... Persistence of Metals in Soil .114 6.3.1 Residence Time of Metals in Soil 114 6.3.2 Critical Loads of Metals 114 6.3.3 Aging of Metals in Soil 115 6.3.4 Transformation of...
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Assessing the Hazard of Metals and Inorganic Metal Substances in Aquatic and Terrestrial Systems - Chapter 4 pptx
Ngày tải lên :
12/08/2014, 04:22
... membranes of these epithelia by passive diffusion This means that the uptake of metals largely depends on the presence of transport systems that provide biological © 2007 by the Society of Environmental ... habitats of M edulis, for example, temperate coastal regions In the context of hazard assessment and the current state of the science of biodynamic modeling, the use of KD is an important © 2007 by the ... 59 apical membranes of the epithelial cells by endocytosis and further metabolic processing The intestine is also the site of small organic molecule uptake Metals may bind to these molecules and...
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Assessing the Hazard of Metals and Inorganic Metal Substances in Aquatic and Terrestrial Systems - Chapter 5 ppsx
Ngày tải lên :
12/08/2014, 04:22
... and (2) the toxicity of these species, rather than (3) the toxicity of the original metal substance There is no doubt that characteristics such as solubility and transformation (and their kinetics), ... adopted as the speciation component of the BLM The current use of WHAM (Tipping 1994) in the BLM construct, however, does not preclude the future use of other types of speciation models, such as WHAM ... computing the complexation of metals with natural organic matter (Tipping 1998) The major difference among computer programs is in the quality of the thermodynamic databases used Errors in the databases...
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Assessing the Hazard of Metals and Inorganic Metal Substances in Aquatic and Terrestrial Systems - Chapter 6 (end) docx
Ngày tải lên :
12/08/2014, 04:22
... Assessing the Hazard of Metals and Inorganic Metal Substances 6.3 PERSISTENCE OF METALS IN SOIL 6.3.1 RESIDENCE TIME OF METALS IN SOIL Metals persist in soil due to their high affinity for soil solid ... difficulty) to obtain the aquivalence in water, then the other aquivalences as shown in Figure A.1 Inspection of this figure shows that the aquivalence is the sum of contributions for each of the possible ... part of the BCFs determined in hydroponic culture Although these surface-adhered fractions of the BAF are not likely to be phytotoxic for metals, they will contribute to trophic transfer of metals; ...
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study the substitution of fossil fuels by rdf produced from municipal solid waste of hanoi m.a thesis waste management and contaminated site treatment
Ngày tải lên :
09/01/2015, 08:53
... to the next depending on the size o f the city, the distance to the urban center and the type o f collection service Hanoi, capital o f Vietnam, has the highest MSW collection rate - 98% MSW there ... study, this research “Study the substitution of fossil fuels by RDF produced from municipal solid waste of Hanoi” was carried out with the following objectives: • Assessment of bio-stabilization process ... because support during my thesis wri ting I would like to thank my many of my colleagues for their encouragement during this course and for the time we spent together The special thank goes to...
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comparison of the methods for the determination of surface acidity of solid catalysts
Ngày tải lên :
29/07/2015, 02:27
... substitution of the proton onto the alkyl group A complete description of the surface acid properties of a solid must involve the determination of the acid strength of the sites, their density (number of ... H, of the surface is lower or equal to the pK, of the indicator The lower the value of H, (and the lower the pKJ, the higher is the acid strength of the solid Benzene, isooctane, decalin, o r ... comparison was made of frequency shifts of the OH group band at various concentrations of the alcohol in the solvent, in the presence of the solid, with the known acidity constants of the alcohols From...
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The application of silica monolith for solid phase extraction
Ngày tải lên :
10/09/2015, 15:50
... and chromatography The main concern for the encapsulation of the biomolecules within the confines of the silica matrix is the ability to retain their activity and function in the environmental ... EMERGENCE OF THE MONOLITHIC CONCEPT Because of the paramount importance of the column in the separation science, instrumentation of a separation system is designed and optimized around the column ... Flow of mobile phase through the particle packed column depends on the permeability of the packed bed This permeability is based on the size of particles and their distribution along with the...
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