MELTING OF METALS COPPER, SILVER AND GOLD UNDER PRESSURE

... Page of (arginine-arginine for cathepsin B and phenylalaninearginine for cathepsin L), which are cleaved when the enzyme is active to release the fluorophore The cathepsin substrate was incubated ... use in living systems Au-NPs also inhibited cathepsin B activity both in a cellular model and with the purified enzyme However, even more interesting was the impact of Au-NPs on...

Ngày tải lên: 21/06/2014, 08:20

... emitter location and signal parameter estimation, ” IEEE Transactions on Antennas and Propagation, vol 34, no 3, pp 276–280, 1986 [9] M Wax, T Shan, and T Kailath, “Spatio-Temporal spectral analysis ... sound velocity as the criterion for time delay candidate selection and the adaptive K-means++ is employed at final stage to cluster the sound source number and directions T...

Ngày tải lên: 21/06/2014, 16:20

... color and Au embedded composite film has pink color The rate of formation of Ag nanoparticles is higher than that of Au nanoparticles The surface plasmon band position, and the intensity shifts as ... metal nanoparticles was characterized with various physicochemical techniques As such no reports are available at present for embedding the Ag and Au nanoparticles in orga...

Ngày tải lên: 22/06/2014, 22:20

... Scope of topics forming the concept of surface engineering References Development of surface engineering 2 .1 History of development of surface engineering 2 .1. 1 General laws of development 2 .1. 2 ... technological surface layers 1. 1 .1 Mechanical techniques 1. 1.2 Thermo-mechanical techniques 1. 1.3 Thermal techniques 1. 1.4 Thermo-chemical techniques 1....

Ngày tải lên: 10/08/2014, 12:21

... 2. 1 Fig 2. 1 Role of surface engineering in the process of manufacture of a material product 2. 1 .2 History of development of metallic structural materials The development of material history of ... surface enhancement 2. 2 Surface engineering today 2. 2.1 General areas of activity of surface engineering During the past fifteen or so years and still t...

Ngày tải lên: 10/08/2014, 12:21

... focusing below surface of material; b) focusing on surface of material; c) focusing above surface of material; - electron beam; - beam focus point; - electron spot; - surface of treated material ... pump; - condensing lens; 10 - deflecting system; 11 - work chamber; 12 treated object; 13 - x-y stage; 14 - electron gun; 15 - stigmatizer;...

Ngày tải lên: 10/08/2014, 12:21

... No 10 2-1 04, pp 45 9 -4 76 107 Zenker, R.: Materials aspects of surface modification by electron beams and industrial applications today Surface Treatment - Solid State, ECLAT-90, pp 23 7-2 49 108 ... Present state and directions of development of surface engineering, Part IV - Characteristics and range of applications of beam techniques, as well as po...

Ngày tải lên: 10/08/2014, 12:21

... coefficient of the majority of liquids is of the order of 1 0 -5 cm2/s A molecule reaches the depth of 10 nm in a time of approximately 10 -6 s [6] It follows that the exchange of molecules between the surface ... hollowing) of which as many as 38% for cutting of non -metals and 13% for cutting of metals In laser treatment of metals, the foremost techniques a...

Ngày tải lên: 10/08/2014, 12:21

... a) plain carbon; b) alloyed; c) eutectoid; - U8*; - U10*; - U12*; C1045; - 60 S2*; - HWSG*; - 9HS*; - HWG*; - 12H1*; 10 - H*; 11 - H12M*; 12 C1 062 ; 13 - 7H3* (From Kremnev, L.S., et al [105] With ... one plane, multi-path heating; e) multi-mode continuous beam; I - schematic of focusing or oscillation; II - schematic of heating and...

Ngày tải lên: 10/08/2014, 12:21

... titanium, alloys and/ or mixtures of: Cr-Ni [251], Cr-B-Ni, Fe-Cr-Mn-C [249], C-Cr-Mn, C-CrW, Mo-CrCrC-Ni-Si [29], Mo-Ni [243], TiC-Al2O 3-Al, TiC- Al2O 3-B 4C-Al, aluminum, stellite [241], Hastelloy ... Cr, B, Mn, Ni, Co, Zn, Cd, Si, Al and composites of elements, e.g B-C, B-Si, Co-W, Cr-Ti, Fe-Cr, C-Cr-Mn, Al-Cr-C-W and alloys, e.g., Cr2C3, Cr3C2-NiCr2, WC-Co, oxides Cr2O3, TiO2, B2...

Ngày tải lên: 10/08/2014, 12:21

... Conference on Laser-Metal Treatment ECLAT 88 , 1 3-1 4 Oct 1 988 , Bad Nauheim, pp 8 1 -8 5 181 Kobylañska-Szkaradek, K., and SwadŸba, L.: The influence of laser remelting treatment upon structure of oxides ... Laser-Metal Treatment ECLAT 88 , 1 3-1 4 Oct 1 988 , Bad Nauheim, pp 7 6-7 8 245 Molian, P.A., and Hualun, L.: Laser cladding of Ti-6Al-4V with BN for improved wea...

Ngày tải lên: 10/08/2014, 12:21

... materials: 90 %Cu-10%Sn bronze - 80 HRF; - 70%Cu-30%Zn cartridge bronze - 98 HRF; - 82%Cu18%Al ambralloy bronze - 98 HRF; - sintered iron 5%Cu-1%C - 91 HRF; - hard material - 1018 steel - 28 HRC ... 12 -1 0 14 Hydrogen +carbon RPI-15(Poland) 5-3 0 0. 3-1 .0 1-6 10 12 -1 0 15 Deuterium or nitrogen Ionotron-86(Poland) 5-2 0 2-5 .6 10 1...

Ngày tải lên: 10/08/2014, 12:21

... - 5.3 1.1 0.2 - QT H13 0.3 5-0 .42 0. 8-1 .2 0. 3-0 .5 - 4. 8-5 .5 1. 2-1 .6 0. 5-1 .1 - 0.13S QT M1 ≤0.03 ≤0.1 ≤0.1 17. 0-1 9.0 - 4.5 - 7.0 8.5 0. 3-0 .5 Ti0.0 5-0 .15Al SA M3 ≤0.03 ≤0.1 ≤0.1 17. 0-1 9.0 - 4. 5-5 .5 ... treatment 10 11 12 H13 0.3 2-0 .42 ≤1.5 ≤1.5 ≤0.25 4. 5-5 .5 1. 0-1 .5 0.4 - 0.18S 0.15 0.3 1.5 3.0 0.8 0.3 -...

Ngày tải lên: 10/08/2014, 12:21

... the surface forces of the metals and - in the case of friction - limits the participation of adhesion forces in the fusion of rubbing elements At the same time, however, it limits the value of ... properties of the surface, e.g., pitting resistance, wear resistance, and rate of grinding-in of mating surfaces [21] 5.7.1.3 Structural flaws of the three-dimensi...

Ngày tải lên: 10/08/2014, 12:21

... H2O2 and O2 are employed in controlling the shapes of nanocrystals in solution growth of silver and gold nanocrystals To produce silver and gold nanoprisms, weak reductants or precursor of reducing ... bar in a and b is 100 nm) image of sample A1 (a) and E1 (b) without centrifuge separation and SAED of sample A1(c) Figure 5-3 UV-Vis spectrum of silver...

Ngày tải lên: 14/09/2015, 08:43