... of Cu, Zn, PbandCr in non -urban soils are much lower than those in urban soils, and are not polluted by Cu, Zn, PbandCr Anthropogentic source contributes to elevated levels of Cu, Zn, Pband ... Table Correlation coefficients between Cu, Zn, PbandCr contents andurbansoilproperties (n = 138) pH CuZnPbCr Organic C Sand Silt Clay CuZnPbCr 0.124 0.147 0.281** 0.008 0.463** 0.693** ... non -urban soils The mobility and bioavailability of Cr is not significantly different between urbanand non -urban soils 3.3 Correlations between Cu, Zn, PbandCrfractionsandurbansoil properties...
... đánh giá mức độ ô nhiễm Cu, Zn, Pb đất nghiên cứu Xác định h m lợng dễ tiêu Cu, Zn, Pb đất nghiên cứu Xác định mối quan hệ h m lợng tổng số v di động kim loại Cu, Zn, Pb với tỉ lệ sét, pHKCl, ... HF, HClO4 v HNO3 Định lợng Cu, Zn, Pb dịch chiết máy quang phổ hấp thụ nguyên tử 3.2.3 Đánh giá mức độ ô nhiễm Cu, Zn, Pb đất nghiên cứu cách so sánh h m lợng Cu, Zn, Pb tổng số đất với tiêu chuẩn ... định h m lợng Cu, Zn, Pb tổng số: sử dụng hỗn hợp HF, HClO4 v HNO3 để công phá mẫu đất Định lợng Cu, Zn, Pb dịch công phá máy quang phổ hấp thụ nguyên tử; Cu đo bớc sóng 324,8 nm; Zn đo bớc sóng...
... 4.2 H m lợng Cu, Zn, Pb tổng số thân thực vật 40 lấy vùng đất bị ô nhiễm 40 4.3 Khả hấp thụ Cu, Zn, Pb Đơn Buốt 47 4.4 Khả hấp thụ Cu, Zn, Pb Dừa Nớc 48 4.5 Khả hấp thụ Cu, Zn, Pb Mơng Đứng 49 ... 4.6 Khả hấp thụ Cu, Zn, Pb Rau Muống 50 4.7 Khối lợng Cu, Zn, Pb tích lũy v giảm đất 52 sau 90 ng y thí nghiệm 52 4.8 Khả hấp thụ Cu, Zn, Pb Đơn Buốt 53 4.9 Khả hấp thụ Cu, Zn, Pb Đơn Buốt 55 ... 4.10 Khả hấp thụ Cu, Zn, Pb Dừa Nớc 56 4.11 Khả hấp thụ Cu, ZnPb Dừa Nớc 58 Tr ng i h c Nụng nghi p H N i - Lu n Th c s khoa h c nụng nghi p - vi 4.12 Khả hút Cu, Zn, Pb Mơng Đứng...
... c u ñ c tính c a Cu, Pb, Zn ñ t ð c tính c a nguyên t ñ ng (Cu) ð ng kim lo i thu c nhóm 1B b ng tu n hoàn nguyên t hoá h c, có th g p ñ ng dư i m c oxi hoá (Cu, Cu+ , Cu2 +, Cu3 +) thông thư ng ... (Cu, Pb, Zn) r t cao Vi khu n n m men kháng >10mM, n m m c >5mM, n m r có kh h p th >1 mg Pb/ g glomalin, >0,5 mg Cu/ g glomalin, >3 mg Zn/ g glomalin Có 14 ch ng vi sinh v t có kh h p thu Cu, Pb, ... lo i n ng (Cu, Pb, Zn) t ng s : Công phá m u ñ t b ng h n h p cư ng thu (h n h p HCl HNO3 v i t l 3:1), ñ nh lư ng Cu, Pb, Zn d ch công phá b ng máy quang ph nguyên t (AAS): Cu ño nm; Zn ño bư...
... nutrition; (2) in managed stands heterogeneity of humus forms and their properties have been changing, and (3) in managed stands changes occurred in soil sorption propertiesandsoil buffer system The ... properties Figs and document a set of soilproperties associated with organic matter and a set of properties that are not directly controlled by the organic matter presence The evaluation of H- and Ep-horizons ... indicate as advisable to divide soil chemical and physicochemical properties into a biologically influenced group and a group independent of biological and biochemical soilproperties Even though the...
... sucrose and then frozen Lumbar spinal cord, cortical, and brainstem sections were cut in the coronal plane at 20 μm on a cryostat, mounted on slides and air dried Sections were pretreated in PBS ... rinsed in PBS and incubated in secondary antibody (1:500) for h Following incubation, slides were rinsed and Horseradish Peroxidase Avidin D was applied (1:500; Vector, Burlingame, CA) and incubated ... reactive microgliosis has not been performed Our current results show that the microgliosis that occurs in SOD1G93A rats is atypical and marked by some highly unusual features in microglial cells...
... sensory cells of the cochlear and vestibular epithelia of the inner ear (Figs 2H and I) and in the olfactory cells and Bowman’s glands in the olfactory epithelium (Figs 2J and K) In developing eyes, ... 16.5 liver (×400) (C) ED 17.5 pancreas (×400) (D) ED 18.5 submandibular gland (×200) (E) ED 16.5 kidney (×200) (F) ED 14.5 adrenal gland (×100) (G) ED 16.5 adrenal gland (×200) (H) ED 17.5 thymus ... methanol for 15 min, and then sections were washed times in PBS, for each time Nonspecific binding was blocked with a 20 incubation in diluted o normal serum, and sections were incubated for h at...
... taken as an index of scrapie status; 4) any relation between CuandZn levels in the forage and the occurrence of scrapie is unlikely; 5) the levels of Cuand especially Zn in sheep forage are ... same DMD decreases with the maturity of the forage which has variable effect on the four elements (Cu andZn decreased, Mn increased, Fe was the same and consequently the Fe/Mn ratio decreased with ... Category (scrapie recently diagnosed) Mn andCu concentrations were statistically the same in the blood of ewes on scrapie-free, scrapie-prone and Eiríksson et al Acta Veterinaria Scandinavica...
... 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 ... NaOH → Cr + X + Cl Y Z T → → 2→ X, Y, Z, T A CrCl2, CrCl3, NaCrO2, Na2CrO7 B CrCl2, CrCl3, Cr( OH)3, Na2CrO4 C CrCl2, CrCl3, NaCrO2, Na2CrO4 D CrCl2, CrCl3, Cr( OH)3, Na2CrO7 ... KCrO2; K 2Cr2 O7; K2CrO4; CrSO4 D KCrO2; K 2Cr2 O7; K2CrO4; Cr2 (SO4)3 Câu 61: Cho sơ đồ sau: Các chất X, Y, Z A K 2Cr2 O7, K2CrO4, Cr2 (SO4)3 B K2CrO4, K 2Cr2 O7, Cr2 (SO4)3 C K [Cr( OH)4], K 2Cr2 O7, Cr2 (SO4)3...
... Cd, Cr, Cu, Mn, Ni, Pb + Khúi linh ng: Mo, Pb cựng vi Br, Cl v V + t chỏy xng, du (bao gm cỏc trm xng): As, Pb, Sb, Se, U, V, Zn v Cd - Kim loi t rỏc thi + Bựn cn: Cd, Cr, Cu, Hg, Mn, Mo, Ni, Pb, ... cụng nghip + Cụng nghip nha: Co, Cr, Cd, Hg + Cụng nghip dt: Zn, Al, Ti, Sn + Cụng nghip sn xut vi mch: Cu, Ni, Cd, Zn, Sb + Bo qun g: Cu, Cr, As + M ngh: Pb, Ni, Cr - Hot ng sn xut nụng nghip + ... rỏc thi + Bựn cn: Cd, Cr, Cu, Hg, Mn, Mo, Ni, Pb, V, Zn + Ra trụi t t: As, Cd, Fe, Pb + Ph thi: Cd, Cr, Cu, Pb, Zn + t rỏc, bi than: Cu v Pb Da vo ngun gc phỏt sinh kim loi mụi trng t trờn,...
... Cd, Cr, Cu, Mn, Ni, Pb + Khúi linh ng: Mo, Pb cựng vi Br, Cl v V + t chỏy xng, du (bao gm cỏc trm xng): As, Pb, Sb, Se, U, V, Zn v Cd - Kim loi t rỏc thi + Bựn cn: Cd, Cr, Cu, Hg, Mn, Mo, Ni, Pb, ... cụng nghip + Cụng nghip nha: Co, Cr, Cd, Hg + Cụng nghip dt: Zn, Al, Ti, Sn + Cụng nghip sn xut vi mch: Cu, Ni, Cd, Zn, Sb + Bo qun g: Cu, Cr, As + M ngh: Pb, Ni, Cr - Hot ng sn xut nụng nghip + ... rỏc thi + Bựn cn: Cd, Cr, Cu, Hg, Mn, Mo, Ni, Pb, V, Zn + Ra trụi t t: As, Cd, Fe, Pb + Ph thi: Cd, Cr, Cu, Pb, Zn + t rỏc, bi than: Cu v Pb Da vo ngun gc phỏt sinh kim loi mụi trng t trờn,...
... Cd, Cr, Cu, Mn, Ni, Pb + Khúi linh ng: Mo, Pb cựng vi Br, Cl v V + t chỏy xng, du (bao gm cỏc trm xng): As, Pb, Sb, Se, U, V, Zn v Cd - Kim loi t rỏc thi + Bựn cn: Cd, Cr, Cu, Hg, Mn, Mo, Ni, Pb, ... cụng nghip + Cụng nghip nha: Co, Cr, Cd, Hg + Cụng nghip dt: Zn, Al, Ti, Sn + Cụng nghip sn xut vi mch: Cu, Ni, Cd, Zn, Sb + Bo qun g: Cu, Cr, As + M ngh: Pb, Ni, Cr - Hot ng sn xut nụng nghip + ... rỏc thi + Bựn cn: Cd, Cr, Cu, Hg, Mn, Mo, Ni, Pb, V, Zn + Ra trụi t t: As, Cd, Fe, Pb + Ph thi: Cd, Cr, Cu, Pb, Zn + t rỏc, bi than: Cu v Pb Da vo ngun gc phỏt sinh kim loi mụi trng t trờn,...
... Cd, Cr, Cu, Mn, Ni, Pb + Khúi linh ng: Mo, Pb cựng vi Br, Cl v V + t chỏy xng, du (bao gm cỏc trm xng): As, Pb, Sb, Se, U, V, Zn v Cd - Kim loi t rỏc thi + Bựn cn: Cd, Cr, Cu, Hg, Mn, Mo, Ni, Pb, ... cụng nghip + Cụng nghip nha: Co, Cr, Cd, Hg + Cụng nghip dt: Zn, Al, Ti, Sn + Cụng nghip sn xut vi mch: Cu, Ni, Cd, Zn, Sb + Bo qun g: Cu, Cr, As + M ngh: Pb, Ni, Cr - Hot ng sn xut nụng nghip + ... rỏc thi + Bựn cn: Cd, Cr, Cu, Hg, Mn, Mo, Ni, Pb, V, Zn + Ra trụi t t: As, Cd, Fe, Pb + Ph thi: Cd, Cr, Cu, Pb, Zn + t rỏc, bi than: Cu v Pb Da vo ngun gc phỏt sinh kim loi mụi trng t trờn,...
... and buildings covered a substantial and increasing portion of the land Farms with loosened soil covered most of the rest Bogs became croplands Sloughs turned into harbors And railroads crisscrossed ... in particular, was especially nurturing to human health and industry This enchanted land, it was said, would cure illness, lure tourists and immigrants, grow the most amazing crops, and provide ... banks and onto farmland for several miles, washing away soil, depositing sand and boulders, and destroying more than nine hundred acres of cropland The farmers sued the railroad Despite abundant testimony...
... Pacific 1995 SubSaharan Africa Middle East and North Africa Europe Latin America andand the Central Asia Caribbean Highincome countries 10 URBANIZATION ANDURBAN AIR POLLUTION indicators of the quality ... Suspended particulate matter is made up of airborne smoke, soot, dust, and liquid droplets from fuel combustion The amount of suspended particulate matter, usually measured in micrograms per cubic meter ... China, India, and Indonesia These cities have high concentrations of poor residents and suffer from social and environmental problems including severe air pollution (Table 10.1) Particulate Air...
... identification and submit to security screening in order to inspect and photocopy comments Docket: You may also view or request available background documents and project summaries using the methods described ... (c)(1)(A) and (c)(1)(B)(ii) See 15 U.S.C § 78o-11(c)(1)(C)(iii), (4)(A) and (B) See id at § 78o-11(c)(1)(B)(ii) and (2) 14 source of credit to U.S households and businesses and state and local ... securitized, the structures historically used in securitizations, and the manner in which securitizers may have retained exposure to the credit risk of the assets they securitize.17 As described...
... populations of these urban centres increased at least threefold.²⁹ ²⁷ Barry, ‘Provincial Town Culture, 1640–1780: Urbane or Civic?’ ²⁸ Carl Estabrook, Urbane and Rustic England: Cultural Ties and Social ... sectors of the economy and in particular regions.²⁰ Urban centres such as Manchester, Leeds, and Sheffield experienced striking and unusual levels of economic growth andurban development compared ... Town Culture, 1640–1780: Urbane or Civic?’, in Joan H Pittock and Andrew Wear (eds.), Interpretation and Cultural History (Basingstoke, 1991) ²⁵ Although he states that this provincial culture...
... 60 years and above selected each from rural area of Seloo block andurban slum area of Wardha city in Wardha district of Maharashtra, India Study Design and Sampling: A community based cross-sectional ... cross-sectional study was conducted and participants were selected using multistage simple random sampling technique Inclusion Criteria: People of age 60 years and above and willing to participate in ... were males and 56 percent females as compared to 41 percent males and 59 percent females in urban slums The proportion of rural elderly in the age group 60-69 years was 45.5percent andurban slum...
... during the credit crunch, they pulled back from lending money to municipalities and other borrowers New Requirements and Oversight of Credit Rating Agencies New Office, New Focus at SEC: Creates ... all entities – banks and non-banks – offering consumer financial services or products Examination and Enforcement: Authority to examine and enforce regulations for banks and credit unions with ... affiliates and bank holding companies, to prohibit proprietary trading, investment in and sponsorship of hedge funds and private equity funds, and to limit relationships with hedge funds and private...
... 6.0 before autoclaving Pband Cd speciation calculated by MINEQL for a total Pb/ Cd concentration of 1.0 mM b Measurement of Pband Cd adsorption to natural bio®lms Pband Cd adsorption isotherms ... 163±169 APHA (1995) Standard Methods for the Examination of Water and Wastewater, 9th edn Washington, DC Balistrieri L S and Murray J W (1982) The adsorption of Cu, Pb, Znand Cd on geothite from ... components (Lindsay and Norvell, 1978; Tessier et al., 1979; Lion et al., 1982; Bauer and Kheboian, 1986; Martin et al., 1987; Tessier and Campbell, 1987; Luoma, 1989; Campbell and Tessier, 1991;...