particle size of the rubber particles
mechanical properties of polymers based on nanostructure and morphology, 2005, p.738
Ngày tải lên :
04/06/2014, 14:26
... special volume of the Journal of Macromolecular Science-Physics, Vol B38, 1999) Several authors of this book contributed as main lecturers to the success of the conference The structure of the book ... to the wide spectrum of properties present in the above polymers, toughness enhancement is a particular aim of many of the discussed modifications In the different chapters the usual routes of rubber- toughening ... periods of time Far-off these biomaterials, in most synthetic polymer blends and composites the hierarchical structure is most often created accidentally during synthesis or processing Therefore, the...
- 738
- 2.8K
- 0
STAINLESS STEELS their properties and their suitability for welding
Ngày tải lên :
14/03/2014, 12:21
... knowledge of the properties of different phases, it is possible to judge the extent to which they affect the service life of the weldment The diagram can be used for rough estimates of the weldability ... steels F The quantity of martensite and its hardness are the main causes of the weldability problems encountered with these steels The fully martensitic steels are air-hardening The steels are therefore ... of hot cracking The melting of the wire also reduces the temperature of the molten metal, which also reduces the risk of hot cracking For MIG welding of common steels of type AISI 304, 316, 304L...
- 11
- 438
- 0
Tài liệu Materials, Their Properties and Uses doc
Ngày tải lên :
13/02/2014, 09:20
... surface; the shadow, light, and 3D visual effect of granite; the look of gun metal; and the glitter of quartz or gold dust A gum resin from the base of the tufted trunk leaves of various species of ... selective adsorption of the impurities Such materials are also called adsorbates Adsorption is the process of adhesion of the molecules of the substance to the surface of the adsorbent; in contrast, ... used These cements are used for bonding the soles of women’s shoes The bonding strength is about 10 lb/in2 (0.07 MPa), or equivalent to the adhesive strength of the outer fibers of the leather...
- 1.1K
- 327
- 0
Báo cáo Y học: Properties of group I allergens from grass pollen and their relation to cathepsin B, a member of the C1 family of cysteine proteinases pdf
Ngày tải lên :
08/03/2014, 22:20
... parasites of the genus Giardia are one of the earliest lineages of eukaryotic cells, and the Giardia protease is the earliest known branch of the cathepsin B family [23] Its phylogeny confirms that the ... a size of about 40 kDa, whereas the nonglycosylated form, Phl p Q, has a size of about 33 kDa The identity of the respective N-termini was determined by N-terminal sequencing, resulting in the ... concentrating the allergen according to the isoelectric point (pI) of the molecule A pH gradient from to 11 was established for the characterization of Phl p After completion of the run, the individual...
- 10
- 535
- 0
Materials, Their Properties and Uses potx
Ngày tải lên :
14/03/2014, 16:20
... surface; the shadow, light, and 3D visual effect of granite; the look of gun metal; and the glitter of quartz or gold dust A gum resin from the base of the tufted trunk leaves of various species of ... selective adsorption of the impurities Such materials are also called adsorbates Adsorption is the process of adhesion of the molecules of the substance to the surface of the adsorbent; in contrast, ... used These cements are used for bonding the soles of women’s shoes The bonding strength is about 10 lb/in2 (0.07 MPa), or equivalent to the adhesive strength of the outer fibers of the leather...
- 1.1K
- 391
- 0
Báo cáo khoa học: Enzymes of mannitol metabolism in the human pathogenic fungusAspergillus fumigatus– kinetic properties of mannitol-1-phosphate 5-dehydrogenase and mannitol 2-dehydrogenase, and their physiological implications pot
Ngày tải lên :
14/03/2014, 23:20
... orders of magnitude below the apparent Km of 40 mm A physiological role of AfM2DH in the utilization of intracellular Man-ol via reversal of path in Scheme is therefore proposed In light of the ... Man-ol1P The results (see the shaded area in Fig 2) indicate that the overall conclusion of this work, that the physiological direction of the reaction of AfM1PDH is Fru6P reduction, whereas that of ... a large value of $ 3, indicates that NADH binds to the enzyme prior to binding of Fru6P The absence of a KIE on kcat Km for the substrate binding rst is a clear requirement of the strictly ordered...
- 13
- 470
- 0
facile route to straight sno2 nanowires and their optical properties
Ngày tải lên :
19/03/2014, 16:48
... with the value of the bulk SnO2 Quantification of the Sn3d and O1s peaks gives an average Sn/O atomic ratio of 1:1.95, indicating the O-deficient formation of the SnO2 nanowires Fig XRD pattern of ... JALCOM-18671; No of Pages ARTICLE IN PRESS P.G Li et al / Journal of Alloys and Compounds xxx (2008) xxx–xxx Fig (a) SEM image of the SnO2 nanoparticles synthesized by hydrothermal method (b ... details on these bulk defects such as their distributing forms need to be further investigated Fig shows the Raman spectra of the as-synthesized SnO2 14 nanowires Rutile SnO2 belongs to the point...
- 4
- 416
- 0
Tensile properties of cooked meat sausages and their correlation with texture profile analysis (TPA) parameters and physico chemical characteristics
Ngày tải lên :
05/05/2014, 08:43
... result in the processing line being stopped Another undesirable example is when the force of adhesion of the product to packaging material or to another slice of the product is higher than the breaking ... samples did not fit the normal distribution, the Kruskal–Wallis test was used to test the null hypothesis that the medians of variables within each of the levels of samples were the same Duncan’s ... wide in the narrowest zone and 0.2 cm thickness per sample A load cell of kg was employed For analysis, one tensile grip (A/TGT) was fixed to the base of the textural analyser, while the other one...
- 7
- 445
- 0
classes of groups and their properties
Ngày tải lên :
12/05/2014, 01:59
... projectors The starting point of the theory of classes of groups is the attempt to develop a generalised Sylow theory, which leads to an investigation into the problem of the existence of certain ... presented The theory of formations was born The new “covering subgroups” had many of the properties of the Sylow and Hall subgroups, but the theory was not arithmetic one, based on the orders of subgroups ... systems Therefore the number of Hall systems of a soluble group is the index in G of the stabiliser of a Hall system with respect to the action of G This stabiliser is what P Hall called the system...
- 37
- 378
- 0
Báo cáo hóa học: " A systematic review of mobility instruments and their measurement properties for older acute medical patients" doc
Ngày tải lên :
18/06/2014, 22:20
... be greater than the MCID for the EMS and the original version of the HABAM but not for the PPME These data were not available for the Rasch refined version of the HABAM Validity The PPME has face ... the intra-rater reliability of the PPME [29,39] and one report of the inter-rater reliability [29] Although none of these studies provided reliability estimates in the units of measurement, the ... The original version of the HABAM is an ordinal measure Interval level data is provided by the Rasch converted version of the HABAM The original version of the HABAM has a total score range of...
- 15
- 939
- 0
Báo cáo hóa học: " Surface properties of glass micropipettes and their effect on biological studies" pot
Ngày tải lên :
21/06/2014, 03:20
... control measures the velocity of the glass carriage system as the glass softens By increasing the velocity, both the tip size and the surface roughness decrease The velocity has the most significant ... http://www.nanoscalereslett.com/content/6/1/401 Page of 10 Dt Heat Figure The effect of heat on tip diameter and average surface roughness The heat is controlled by the level of electrical current supplied to the filament The unit of heat ... the reproducibility of the puller, ten pipettes were pulled with each set of parameters and their tip sizes were measured by SEM Figure is a summary of the statistics of the experiments A few...
- 10
- 312
- 0
Báo cáo hóa học: " Review of thermo-physical properties, wetting and heat transfer characteristics of nanofluids and their applicability in industrial quench heat treatment" pot
Ngày tải lên :
21/06/2014, 04:20
... model as a function of the thermal conductivities of the base fluid and the nanoparticles, the volume fraction, fractal dimension for particles, the size of nanoparticles, and the temperature, as ... Density The density of the nanofluids can estimated from the mixture theory [81]: ρnf = ϕρp + (1 − ϕ)ρw (4) where j is the volume fraction of the nanoparticles, rp is the density of the nanoparticles ... conductivity of the nanofluids are as follows [43-63]: I Brownian motion of nanoparticles: The Brownian motion of nanoparticles at the molecular and nanoscale level was a key mechanism governing the thermal...
- 15
- 434
- 0
Báo cáo hóa học: " Fe3O4–Au and Fe2O3–Au Hybrid Nanorods: Layer-by-Layer Assembly Synthesis and Their Magnetic and Optical Properties" pptx
Ngày tải lên :
21/06/2014, 07:20
... indicating the synthesis of pure FeOOH–Au hybrid nanorods Moreover, the XRD peaks were considerably broad, which implied that Au existed in the form of small size Figure 1b shows the SEM image of as-synthesized ... layer-by-lay assembly The possible reason for this phenomenon is that the polyelectrolyte deposited on the surface of FeOOH nanorods makes the surface smoother and leads to the reduction of the BET surface ... surface of a-Fe2O3 nanorods (Fig 4b) However, the diameter of Au nanoparticles in a-Fe2O3–Au hybrid nanorods is larger than that in FeOOH–Au hybrid nanorods because of Ostwald ripening of Au nanoparticles...
- 7
- 377
- 1
Báo cáo hóa học: " Hydrothermally Processed Oxide Nanostructures and Their Lithium–ion Storage Properties" potx
Ngày tải lên :
21/06/2014, 08:20
... spherical powders seen in the Y-based system The individual flower-like particles have the size of about 5–10 lm, but each particle consists of tiny plates of about 10 nm in thickness The resulting materials ... spherical particles formed when using M LiOH solution, whereas the shape of particles transformed completely to nanowires when the concentration of LiOH further decreased to M Decreasing slightly the ... Li2Si2O5ÁH2O for the use of NaOH and LiOH solution, respectively The diameter of nanowires in both systems was 10–40 nm with the length of several hundred micrometers The behavior of as-synthesized nanopowders...
- 5
- 216
- 0
Báo cáo hóa học: " Hydrothermally Grown ZnO Micro/Nanotube Arrays and Their Properties" pptx
Ngày tải lên :
22/06/2014, 00:20
... image of assynthesized ZnO micro/ nanotubes f SEM image of aligned ZnO nanowire arrays synthesized for short time Fig XRD pattern of as-synthesized ZnO micro/nanotube arrays resulted from the recombination ... in the experiment It gives another evidence for the formation of high purity ZnO product During hydrothermal synthesis of 1-D nanostructures, it was always found that the salt ions existed in the ... solution and the pH values of the solution had great influences on the final products [42, 43] Figure 3a, b is the SEM images of the product obtained when zinc chloride was used instead of zinc acetate...
- 6
- 262
- 0
Báo cáo hóa học: " Nanospheres: Preparation, Characterization, and Their Adsorption Properties" docx
Ngày tải lên :
22/06/2014, 00:20
... image of hollow Na0.15WO3 nanospheres The arrows indicate the broken hollow nanospheres from which the thickness, *25 nm, of the shell of the hollow nanospheres was estimated b TEM image of the ... observed on the shells of some nanospheres implying the formation of the open-shell hollow structures It is impossible to take the images of the hollow nanospheres from all the directions at the same ... the hollow Na0.15WO3 nanospheres The dark edge and bright center character of the TEM image of the nanospheres reveal the formation of the hollow structure into the Na2WO4 solutions under moderate...
- 6
- 312
- 0
Báo cáo hóa học: " Synthesis of High Coercivity Core–Shell Nanorods Based on Nickel and Cobalt and Their Magnetic Properties" pot
Ngày tải lên :
22/06/2014, 00:20
... The growth of nanowires/nanotubes initiates from the bottom portion of the alumina template The incomplete filling of Ni may be due to the difference in the growth rate between Ni and Co, as their ... morphology of one-dimensional structure after electrodeposition Figure 2a shows the TEM of Co NT synthesized using Cobalt acetate TEM of Ni NW is shown in Fig 2b, and the inset depicts the electron ... Results and Discussion The formation of Co NT and the subsequent formation of Ni NW inside Co NT (Fig 1) are consistent with the Fig Schematic diagram showing the synthesis of Ni @ Co nanorods 123...
- 5
- 405
- 0
Materials, Their Properties and Uses pot
Ngày tải lên :
27/06/2014, 17:20
... surface; the shadow, light, and 3D visual effect of granite; the look of gun metal; and the glitter of quartz or gold dust A gum resin from the base of the tufted trunk leaves of various species of ... selective adsorption of the impurities Such materials are also called adsorbates Adsorption is the process of adhesion of the molecules of the substance to the surface of the adsorbent; in contrast, ... used These cements are used for bonding the soles of women’s shoes The bonding strength is about 10 lb/in2 (0.07 MPa), or equivalent to the adhesive strength of the outer fibers of the leather...
- 1.1K
- 230
- 0
Materials, Their Properties and Uses 15th docx
Ngày tải lên :
27/06/2014, 17:20
... surface; the shadow, light, and 3D visual effect of granite; the look of gun metal; and the glitter of quartz or gold dust A gum resin from the base of the tufted trunk leaves of various species of ... selective adsorption of the impurities Such materials are also called adsorbates Adsorption is the process of adhesion of the molecules of the substance to the surface of the adsorbent; in contrast, ... used These cements are used for bonding the soles of women’s shoes The bonding strength is about 10 lb/in2 (0.07 MPa), or equivalent to the adhesive strength of the outer fibers of the leather...
- 1.1K
- 273
- 0
Materials, Their Properties and Uses 2ABLATIVESABLATIVES pot
Ngày tải lên :
27/06/2014, 17:20
... surface; the shadow, light, and 3D visual effect of granite; the look of gun metal; and the glitter of quartz or gold dust A gum resin from the base of the tufted trunk leaves of various species of ... selective adsorption of the impurities Such materials are also called adsorbates Adsorption is the process of adhesion of the molecules of the substance to the surface of the adsorbent; in contrast, ... used These cements are used for bonding the soles of women’s shoes The bonding strength is about 10 lb/in2 (0.07 MPa), or equivalent to the adhesive strength of the outer fibers of the leather...
- 1.1K
- 297
- 0