ag pb and cu films

Concentration and chemical speciations of cu, zn, pb and cr of urban soils in nanjing, china

... following order: Pb, Zn, Cu and Cr The non-residual fractions of Cu, Zn, Pb and Cr in non-urban soils average 6.7%, 8.7%, 16.5% and 10.1%, respectively Therefore, Cu, Zn and Pb in urban soils ... of Cu, Zn, Pb and Cr in non-urban soils are much lower than those in urban soils, and are not polluted by Cu, Zn, Pb and Cr Anthropogentic source contributes to elevated levels of Cu, Zn, Pb and ... concentrations The coefficients for Cu, Zn, Pb and Cr are 0.997, 0.989, 0.990 and 0.986 ( P < 0.01), respectively The Cu, Zn, Pb and Cr fractions expressed as amounts and percentages of the sum of individual...

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Optical limiting properties of GO PVA and AU AG PMMA free standing films

Danh mục: Cao đẳng - Đại học

... free-standing AgNPs-PMMA films were peeled off and collected The thickness of the AgNPs-PMMA films was measured using micrometer caliper and found to be 100 μm The free-standing AuNPs-PMMA thin films ... PMMA; AuNP solution and AgNP solution The peaks of Ag and Au NP solutions are 418 nm and 520 nm respectively After impregnated with PMMA, both Ag and Au NPs have been red shifted and the absorption ... 16 2.4 Result and Discussion 17 2.5 Summary 24 THE FREE STANDING FILMS OF NOBLE METAL NANOPARTICLES WITH PMMA 25 3.1 Chemicals and Materials 25 3.2 Preparation of free standing films of noble...

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Nanomechanical characterization of BD (low k) thin films and cu BD multilayered stacks

Danh mục: Tổng hợp

... BD (low-k) thin films and Cu/ BD multilayered stacks vii Summary thin films, 2) BD films with Ta and TaN barriers (single & dual stacks) and 3) Cu/ BD stacks with Ta, TaN, SiC and SiN layers To ... BD films and Cu/ BD stacks Present study focuses on nanomechanical characterization of BD thin films of different thicknesses, single and dual dielectric stacks with Ta & TaN barriers, and Cu/ BD ... (e) Cu/ TaN/SiC/BD/Si-E, (f) Cu/ TaN/SiN/BD/Si-F, (g) Cu/ Ta/BD/Si-G and (h) Cu/ TaN/BD/Si-H multilayered stacks.78 78 Fig 4.16: Nanoindentation load-displacement curves of BD films with Ta and TaN...

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Báo cáo "The effect of Cu concentration in soil and phosphorous fertilizer on plant growth and Cu uptake by Brassia juncea L. grown on contaminated soils " doc

Danh mục: Báo cáo khoa học

... between contents of Cu in soil and Cu accumulation in plant, and also the role of phosphate in reducing the uptake of Cu by Brassica juncea L 2.2 Sampling and chemical analysis Plant and soil samples ... (75+30) Cu and phosphate added Cu (ppm) P2O5 kg/ha 0 50 100 200 100 40 100 60 100 80 3.1 Effects of Cu application on plan growth and Cu accumulation in plant The results of the effects of added Cu ... plant height and biomass Total Cu in soil and plant tissues, Cu2 + (HNO3 0.43N) in soil was determined by Atomic Absorption Spectroscopy (AAS) Materials and methods Results and discussion 2.1 Pot...

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ADSORPTION OF pb AND cd ONTO METAL OXIDES

Danh mục: Môi trường

... 6.0 before autoclaving Pb and Cd speciation calculated by MINEQL for a total Pb/ Cd concentration of 1.0 mM b Measurement of Pb and Cd adsorption to natural bio®lms Pb and Cd adsorption isotherms ... of the Fe, Mn and Al (Table 2) Pb and Cd adsorption to the unextracted bio®lms at pH 6.0 and 258C followed Langmuir adsorption isotherms, and Pb adsorption was almost an order of magnitude greater ... acid and reducing the extraction time to 30 Fig Test for adsorption interference between Cd and Pb A Pb adsorption to bio®lms in the presence and absence of Cd B Cd adsorption in the presence and...

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Báo cáo hóa học: " Pd Nanoparticles and Thin Films for Room Temperature Hydrogen Sensor" potx

Danh mục: Hóa học - Dầu khí

... controllers and record the gas concentration Results and Discussion Mechanism of electrochemical growth for the Pd nanoparticles has been studied using the voltammetry techniques and discussed in ... another occurs This transfer creates a current with its magnitude giving information about the substance Figure shows the morphology of some selected samples, for showing the variation in size and ... diffraction Average grain size of electrochemically grown nanoparticles was estimated using X-ray diffraction data and given in our previous article [22] Sputtering Deposition of Pd Thin Films Palladium...

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Báo cáo khoa học: "HIV-1 CRF 02 AG polymerase genes in Southern Ghana are mosaics of different 02 AG strains and the protease gene cannot infer subtypes" doc

Danh mục: Báo cáo khoa học

... [AJ286952]), (02 _AG SN [AJ286986]), (02 _AG CM, [AJ286937]), (02 _AG GH [AB286862]), (02 _AG CM [AJ286956]), (02 _AG SN [AJ583718]), (02 _AG SN [AJ583728]), (02 _AG SN [AJ583733]), (0 2AG_ SN [AJ583730]), ... strains (GHN21) was a recombinant of an AG recombinant (AG_ CM [AM279381]) and a CRF 02 _AG strain from Cameroon (02 _AG CM [DQ166391]) The most frequent CRF02 _AG fragments found were strains from Cameroon ... between CRF 02 _AG and AG strains occur GHN36 and GHN60 were the only pure strains [see Additional file 1] The phylogenetic relationships between the Ghana sequences alone showed that GHN90 and GHN21...

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a cross-cultural stydy of pauses and time-fillers in some american and vietnamese films = nghiên cứu giao văn hóa về việc sử dụng các quãng lặng và các yếu tố khỏa lấp trong một số bộ phim việt nam và mỹ

Danh mục: Khoa học xã hội

... Language, culture and communication .4 1.1.1 Language and communication .4 1.1.2 Language and culture 1.1.3 Communication 1.2 High-context culture vs low-context culture ... pauses and time-fillers Then the notions of silence/ pause and time-filler definitions and usages are discussed Chapter Findings and Discussions The strategies of using silence/pauses and time-fillers ... language, written, spoken and read The way in which the language is being used is making it pretty Thus, a successful communicator must own a good command of language at first 1.1.2 Language and culture...

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A cross-cultural stydy of pauses and time-fillers in some American and Vietnamese films

Danh mục: Tổng hợp

... between language and culture, language and communication, cross-cultural communication, high-context and low-context culture, non-verbal communication and paralanguage Chapter Silence/pauses and Time-fillers ... pauses and time-fillers Then the notions of silence/ pause and time-filler definitions and usages are discussed Chapter Findings and Discussions The strategies of using silence/pauses and time-fillers ... EAQ6AEwBw#v=onepage&q&f=false Bachman, L (1990), Fundamental considerations in language testing Oxford University Press Brown, P and Levinson, S C (1987), Politeness Some universals in laguage Usage Cambridge...

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A cross-cultural study of pauses and time-fillers in some american and vietnamese films

Danh mục: Tổng hợp

... pauses and time-fillers Then the notions of silence/ pause and time-filler definitions and usages are discussed Chapter Findings and Discussions The strategies of using silence/pauses and timefillers ... which the language is being used is making it pretty Thus, a successful communicator must own a good command of language at first 1.1.2 Language and culture Culture (from the Latin cultura stemming ... and more useful to describe and understand particular situations and environments 1.2.2 High and low context situations Every culture and every situation has its high and low aspects Often one...

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tribology of organic self assembled monolayers (SAMs) and thin films on si surface

Danh mục: Cao đẳng - Đại học

... as SFA [Tabor and Winterton 1969 and Israelachvili and Tabor 1972] and AFM/LFM [Binnig et al 1986 and Mate et al 1987] and the advanced technical applications such as magnetic storage devices, ... for their support and encouragement, and most of all, my wife, Latha, for having courage, patience and stamina to live through a virtual reality marriage for the past years, and raising one wonderful ... Introduction motors, both in air and vacuum with and without lubrication films (hydrocarbon layers) Their main focus was to understand the wear mechanism in vacuum in comparison with that in air...

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foam and foam Films

Danh mục: Cao đẳng - Đại học

... type of foam films on foam drainage 5.4 Gravitational drainage of a foam 5.4.1 Equations of gravitational drainage 5.4.2 Initial stage of drainage 5.4.3 Influence of the foam structure and the properties ... Functions of Organic Thin Films edited by T Kajiyama and M Aizawa Vol Foam and Foam Films Theory, Experiment, Application by D Exerowa and P.M Kruglyakov Vol Drops and Bubbles in Interfacial ... Khristov and D Exerowa On the other hand, the book treats fairly thoroughly the whole array of physicochemical properties of foam and foam films by pulling on both outstanding older works and the...

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chuyên đề về Cr - Fe - Cu - Ni - Pb - Zn - Au - Ag - Sn

Danh mục: Trung học cơ sở - phổ thông

... đồng là: A CuFeS2 → CuS → CuO → Cu B CuFeS2 → CuO → Cu → Cu2 S → Cu2 O → Cu C CuFeS2 D CuFeS2 → Cu2 S → CuO → Cu Câu 282: Từ quặng pirit đồng CuFeS 2, malachit Cu( OH)2.CuCO3, chancozit Cu2 S người ... B1, B2, A1, A2 tương ứng là: A Ag; Cu, Ag; Fe2+ ,Cu2 +, Ag+ ; Fe2+,Mg2+ ,Cu2 + B Ag; Cu, Ag; Fe3+, Cu2 +, Ag+ ; Fe2+, Mg2+, Cu2 + C Ag, Fe; Cu, Ag; Fe2+ ,Cu2 +; Fe2+, Mg2+, Cu2 + D kết khác Câu 270: Để làm ... CuS C Cu + 2AgNO3 → Cu( NO3)2 + 2Ag D CuS + HCl → CuCl2 + H2S Câu 264: NH3 tác dụng với chất sau (trong điều kiện thích hợp) ? A HCl, KOH, N2, O2, P2O5 B HCl, CuCl2, Cl2, CuO, O2 C H2S, Cl2, AgCl,...

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ulsed laser deposition and characterization of pb(zr, ti)o3 and lanio3 thin films

Danh mục: Cao đẳng - Đại học

... ions occupy the B site at random while Pb+ 2 occupies the A site and O-2 occupies the sites in the face centre The dispole moments result from the relative displacement of the Ti+4 and Pb+ 2 ions ... environment/vibration and surface morphology of the thin films xi List of Figures Fig.2-1 Schematic of polarization hysteresis curve Fig.2-2 Crystal structure of ABO3 Fig.2-3 Phase diagram of PbZrO3-PbTiO3 ... Microstructure and Orientation of The Films 65 4.3 Electrical Properties of PZT Films on SiO2/Si and Glass Substrates 73 4.4 Discussions 74 4.5 Summary 78 CHAPTER DISTRIBUTION IN ORIENTATION AXIS OF THIN FILMS...

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Effects of AG on structural and magnetic properties of fept thin films

Danh mục: Tổng hợp

... microstructure and magnetic properties in cosputtered FePt -Ag thin films • Sequential deposition of FePt /Ag/ FePt thin films to achieve both perpendicular texture and property improvement • Effects of Ag ... TEM images of cosputtered FePt -Ag samples with a) 30 vol.% Ag and b) 70 vol.% Ag 48 Figure 3-14 In-plane and out-of-plane hysteresis loops of FePt thin films with different Ag fraction ... 450 nm thin films for sputtered Ag, FePt+20 vol. %Ag and FePt+30 vol.% Ag The AXS spectra were measured at Ag( 002), FePt (001) and FePt(200), respectively 68 Figure 4-14 Ag- K edge fitting...

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Cu AND mn EMBEDDED zno NANOCLUSTER ASSEMBLED FILMS AND NANOCOMPOSITES FABRICATION, CHARACTERIZATION AND PROPERTIES

Danh mục: Tổng hợp

... dependent magnetization curve of pure Cu and pure Cu oxide nanoclusters assembled films and Cu and Cu oxide nanoclusters embedded SiO2 films deposited at various Cu volume fractions Figure 4.5 (a) Cu ... pure ZnO and Cu- embedded ZnO films Figure 4.4 (a) The field dependent magnetization curve of pure ZnO, pure Cu nanoclusters assembled films and Cu- embedded ZnO films deposited at various Cu volume ... parts: (1) the magnetic and optical properties of Cu nanocluster-embedded ZnO thin film; (2) the magnetic and optical properties of Zn0.9 4Cu0 .06O nanocluster assembled films and (3) ZnO :Cu- SiO2 nanocomposite;...

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Effects of cu al ratios and sio2 substrates on PE MOCVD copper aluminium oxide semiconductor thin films

Danh mục: Tổng hợp

... From the handbook, it can be seen that the 2p3/2 peaks of Cu0 and Cu+ (in Cu2 O) are around 932.7 eV and the 2p3/2 peak of Cu2 + (in CuO) is at 933.8 eV Cu 2p3/2 peaks of Cu0 and Cu+ (in Cu2 O) are ... of sample E C 1s Eb from handbook [10] Cu 2p3/2 932.7 (Cu0 , Cu+ in Cu2 O) 284 Al 2p 335 (Cu0 ) 335.5 (Cu2 + in CuO ) 336.4~337.4 (Cu+ in Cu2 O) 343.8 336.6 933.8 2+ (Cu in CuO) 291.2 284.0 Measured ... the indicator of Cu2 +, this may reveal that there are smaller amounts of Cu2 + than Cu+ CuAlO2 and Cu2 O may make up a major proportion of the Cu- Al-O films, while CuAl2O4 and CuO may also exist...

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Cu AND mn EMBEDDED zno NANOCLUSTER ASSEMBLED FILMS AND NANOCOMPOSITES FABRICATION, CHARACTERIZATION AND PROPERTIES

Danh mục: Kỹ thuật

... dependent magnetization curve of pure Cu and pure Cu oxide nanoclusters assembled films and Cu and Cu oxide nanoclusters embedded SiO2 films deposited at various Cu volume fractions Figure 4.5 (a) Cu ... pure ZnO and Cu- embedded ZnO films Figure 4.4 (a) The field dependent magnetization curve of pure ZnO, pure Cu nanoclusters assembled films and Cu- embedded ZnO films deposited at various Cu volume ... parts: (1) the magnetic and optical properties of Cu nanocluster-embedded ZnO thin film; (2) the magnetic and optical properties of Zn0.9 4Cu0 .06O nanocluster assembled films and (3) ZnO :Cu- SiO2 nanocomposite;...

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Optical and mechanical properties of cu al o thin films prepared by plasma enhance CVD

Danh mục: Tổng hợp

... stress of ITO, IZO, and GZO films prepared by RF and DC magnetron sputtering They observed that the stress state within the films depended on the microstructure of the films and it was the amorphous ... hardness and elastic moduli of indium tin oxide (ITO) and indium zinc oxide (IZO) films prepared by radio frequency magnetron sputtering They found that IZO films had a higher elastic modulus and ... Effect of Cu/ Al ratio on film mechanical properties 111 5.14 XRD patterns of films prepared at different Cu/ Al ratios 112 5.15 SEM images of films prepared at different Cu/ Al ratios...

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Ứng dụng điện cực paste cacbon biến tính bởi HgO vào việc xác đinh kim loại Pb,Cd,Zn,Cu

Danh mục: Khoa học tự nhiên

... 0918.775.368 Cu2 + Khi [Cu2 +] = 25 [Pb2 +] Cu2 + Khi [Cu2 +] tăng dần Cu Biểu đồ 3.3.1: Biểu diễn ảnh hưởng hàm lượng Cu2 + đến cường độ Pb dòng Pb2 + Tỉ lệ Cu2 + /Pb2 + Cường độ Cu2 + 10 25 5,10 6,52 7,19 8,29 Pb2 + ... [Cu2 +] = 2 [Pb2 +] Hình 3.3.3: Píc hòa tan Pb2 + Hình 3.3.4: Píc hòa tan Pb2 + Cu2 + Khi [Cu2 +] = 5 [Pb2 +] Cu2 + Khi [Cu2 +] = 10 [Pb2 +] Hình 3.3.5: Píc hòa tan Pb2 + Hình 3.3.6: Píc hòa tan Pb2 + 45 Website: ... Cd2+, Pb2 +, Cu2 + tđp =150s Cd2+, Pb2 +, Cu2 + tđp = 180s Zn Pb Cu Cd Hình 3.2.13: Píc hòa tan Zn2+, Biểu đồ 3.2.2: Ảnh hưởng tđp đến Cd2+, Pb2 + ,Cu2 + tđp = 250s cường độ dòng Zn2+, Cd2+, Pb2 + ,Cu2 +...

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