viscosity and density of water calculated from international critical tables 1928 and 1929

RECOMMENDATIONS TO ECE GOVERNMENTS ON THE PREVENTION OF WATER POLLUTION FROM HAZARDOUS SUBSTANCES pot

Ngày tải lên : 15/03/2014, 23:20

... site) of chemical and fertilizer minerals Manufacture of textiles, fur and leather ISIC 1711: Finishing of textiles IS IC 182: Dressing and dyeing of fur ISIC 1911: Tanning and dressing of leather ... Sustainable Use of Waters Manufacture of pulp, paper and paper products ISIC 2101: Manufacture of pulp, paper and paperboard, cellulose wadding and webs of cellulose fibres Publishing, printing and reproduction ... shops and enamelling works 12 Recycling ISIC 37: Processing of metal and non-metal waste and scrap and of articles thereof, in particular by chemical processes 13 Electricity, gas, steam and hot water...

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CONTROL OF WATER POLLUTION FROM AGRICULTURE pdf

Ngày tải lên : 29/03/2014, 14:20

... those of "point" sources of pollution FAO's mandate is to raise levels of nutrition and standards of living of people and, in implementing this mandate, it promotes agricultural development and ... surface and/ or groundwater, through net loss of soil by poor agricultural practices, and through salinization and waterlogging of irrigated land It is a victim through use of wastewater and polluted ... urine and faeces Potential leaching of nitrogen, metals, etc to groundwater Irrigation Runoff of salts leading to salinization of surface waters; runoff of fertilizers and pesticides to surface waters...

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Regulation of Water Pollution from Hydraulic Fracturing in Horizontally-Drilled Wells in the Marcellus Shale Region, USA pot

Ngày tải lên : 29/03/2014, 21:20

... stormwater permits were required for sediment runoff from construction sites and discharges of pollutants into surface waters [11] The permitting system requires adoption of technology-based and water ... clean-up and damages due to releases of hazardous materials at well sites and require reporting of toxic chemicals used in the fracturing process CWA–1972 EPA/Waters of the United NPDES stormwater ... the Clean Water Act (CWA) delineated the basic structure for regulating discharges of pollutants into waters and for establishing quality standards for surface waters under the authority of EPA...

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Báo cáo hóa học: " Size and temperature effects on the viscosity of water inside carbon nanotubes" pptx

Ngày tải lên : 21/06/2014, 06:20

... Results and discussion Figure shows the relative viscosity of water confined in SWCNTs versus the diameter at 298, 325, and 350 K The relative viscosity is the ratio of the viscosity of the confined ... step of fs and can be divided into two steps First, a SWCNT (60 Å in length) and two water reservoirs are equilibrated for 80 ps, during which the density of the water in the reservoirs away from ... temperature-dependent viscosity of the bulk water, which is fitted according to the widely Figure The hydrogen bond of water (a) The relative amount of the hydrogen bonds of the confined water versus...

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Báo cáo vật lý: "Effect of Treated and Untreated Filler Loading on the Mechanical, Morphological, and Water Absorption Properties of Water Hyacinth FibersLow Density Polyethylene Composites" pdf

Ngày tải lên : 07/08/2014, 14:20

... Preparation of Water Hyacinth Fibers Stems of the fresh water hyacinth were cleaned and cut into small pieces Then they were dried in an oven at 105°C for h to evaporate the water content The dried water ... hyacinth fibers and WF is the weight of the fibers after heating The level of organic content in the water hyacinth fibers was 80.15% 2.3 Preparation of Treated Water Hyacinth Fibers Water hyacinth ... paper to remove surface water and weighed using an analytical balance with a resolution of 0.1 mg The molar sorption, Qt , of water by the composites at time t was calculated from Qt (mole %) = W2...

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Feasibility study of removal of surface contaminants from solid surfaces using water jets with bubbles and ultrasound

Ngày tải lên : 08/09/2015, 18:19

... interfacial tension Radius of bubble Density of water gravitational acceleration thermal diffusivity of gas speed of sound in water speed of sound in air shear viscosity of water thermal damping constant ... fluid density (ρa: air, ρw: water) diameter of the bubble surface tension coefficient of water final velocity of bubble Approach velocity of bubble Acceleration/deceleration of bubble Angle of impingement ... impede the ability of the aircraft to take off and land properly The presence of microalgae on the walls of water treatment tanks can poison the water supply, clog supply pipes, and reduce overall...

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Measurement of Color, Gloss, and Translucency of White Salted Noodles- Effects of Water Addition and Vacuum Mixing.pdf

Ngày tải lên : 16/12/2012, 15:25

... translucency of noodles made from the soft, low-FSV wheat flour and the soft, high-FSV wheat flour (9.25% protein) were 39.75 and 43.75%, respectively The mean levels of translucency of noodles made from ... a standard cooked noodle thickness of mm Experiment The effect of water addition and vacuum on color, gloss, and translucency for soft wheat WSN was also examined using ANOVA Translucency and ... calculate the gloss and translucency score Panelists ranked noodle gloss and translucency on boiled noodle disks and strands from six WSN mixes of ASWN and gelatin, following standard procedures...

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CHEMICAL ANALYSIS OF WATER AND WASTEWATER

Ngày tải lên : 23/07/2013, 20:57

... ANALYSIS OF WATER AND WASTEWATER 24.1 GENERAL ASPECTS OF ENVIRONMENTAL CHEMICAL ANALYSIS Scientists’ understanding of the environment can only be as good as their knowledge of the ... Strontium Water quality Sulfate Water quality, water pollution Sulfide Water quality, water pollution Sulfite Surfactants Tannin, Lignin Water pollution, oxygen scavenger Water pollution Water quality, ... properties of water influenced by the presence of this pollutant? A sample was taken from the bottom of a deep, stagnant lake Upon standing, bubbles were evolved from the sample; the pH went up; and...

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Characteristics of hydrogen production from food waste and waste activated sludge

Ngày tải lên : 05/09/2013, 08:40

... M1-0203-00-0063 from the National Research Laboratory Program of the Korean Ministry of Science and Technology REFERENCES APHA, AWWA, WEF, 1998 Standard Methods for the examination of Water and Wastewater, ... was supplemented with 200 mg of KH2PO4, 14 mg of MgCl2•4H2O, mg of Na2MoO4•4H2O, mg of CaCl2•2H2O, 2.5 mg of MnCl2•6H2O, and 10 mg of FeCl2•4H2O, which was modified from Lay et al (1999) NaHCO3 ... produce moles of hydrogen with mole of n-butyrate or moles of hydrogen with mole of acetate from mole of hexose In most cases using soluble defined substrates, hydrogen production yield and major...

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Improvement of Water Quality by Removal of Suspended Solids and High-speed Biological Filtration in Closed Water Body

Ngày tải lên : 05/09/2013, 08:40

... m, and average is 2.3 m Water depth changes around 0.4 m (up and down) by various reasons This plant was floated and fixed at the center of the raft Lake water was - 234 - Journal of Water and ... pilot plant The height of this plant is 1.5 m and diameter is 0.5 m A 1000-ton of closed water body and a raft of 20×20 m2 were prepared at Tokiwako Lake The maximum water depth of experimental area ... [1] Department of Water Environment, Ministry of the Environment, Japan July 2002 Outline of Administration of Water Environment P20 (In Japanese) [2] M Soto-Jiménez, F Páez-Osuna and A C Ruiz-Fernández...

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Study of Water Pollution and Bottom Mud Elution of Koya Pond

Ngày tải lên : 05/09/2013, 09:38

... influences of precipitation and mud on water quality of the pond, quantification of effects by dredging, and assessment of improvement and controls of water quality through the removal of bottom ... pond A2 water course B1 water course B2 water course C water course D water course 160 10/16 11/3 11/21 140 120 natural pond A2 water course B1 water course B2 water course C water course D water ... pond A2 water course B1 water course B2 water course C water course D water course 16.0 9/28 10/16 11/3 11/21 10/16 11/3 11/21 natural pond A2 water course B1 water course B2 water course C water...

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Children’s Health Deficits due to Diarrhoea: Effects of Water Supply and Sanitation Systems in Slums with Different Water Logging Conditions

Ngày tải lên : 05/09/2013, 10:15

... mortality, are calculated using standard expected YLL from model life tables and, due to disability from age a to age (a + L), consists of the following equation derived by Murray (1994) and Homedes ... using mixed sources of water Households in each community ( % ) LSD Filtering water by cloths at home Boiling/warming water at home Alum treatment of water at home No treatment of water at home Households ... at all Attitudes: Water treatment at home Filtering water by cloths at home Boiling/warming water at home Alum treatment of water at home No treatment of water at home Habit of defecation Households...

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Ecological Assessment of Water Quality by Three-species Acute Toxicity Test and GC/MS Analysis - A Case Study of Agricultural Drains

Ngày tải lên : 05/09/2013, 10:15

... simultaneously carried out and their ecotoxicity potential was discussed MATERIALS AND METHODS Collection of Water Samples Water samples from rivers were collected mainly at the official water quality monitoring ... i DI: detection index of water sample DIi: detection index of compound i DVi: detected concentration value of compound i [mg/L] GVi: goal value of water quality control of compound i [mg/L] In ... inhabitation of aquatic organisms The results of the measurement and the calculation of DVi, DIi and DI are shown in Table Three chemicals, terbucarb (MBPMC), bromobutide and tolclofos-methyl,...

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Evaluation of the Effects and the Programming of ‘Water Conservation Plan’ (WCP) for Total Water Resources Management in Tokyo

Ngày tải lên : 05/09/2013, 10:17

... (rooftop of Sumida-ku Ward Office as catchment area) and communal RWH called ‘rojison’ - 190 - Journal of Water and Environment Technology, Vol 9, No.2, 2011 From the interviews with Sumida-ku officers, ... water demand reduction in industrial sectors and enhancement of people’s awareness towards water conservation The implementation of intermediary scheme i.e RWH and finally the execution of mandatory ... encourage water conservation and sustainable TWRM REFERENCES Abderrahman W A (2000) Water Demand Management and Islamic Water Management Principles: A Case Study, International Journal of Water Resources...

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Study of contaminants stemmed from the waste water of the Ivorian Refining Company

Ngày tải lên : 05/09/2013, 16:10

... water sample This salt improves the relative affinity of hydrocarbons for pentane For 100 cc of waste water, 30 cc of CaCl2 / H2O 6M and then cc of pentane are added The mixture is agitated and ... droplets get larger and fall to the tank bottom (water and impurities) This builds up oil droplets emulsion dispersed in a continuous aqueous mud (sand, clay …) Waste water coming from the salt remover ... stripped waters The mud at the bottom is extracted by means of a cleaning gate A skimming device with three levels eliminates part of oils Large mineral suspensions (sand) and drops of bitumen...

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Tài liệu Cleaner Water in China? The Implications of the Amendments to China’s Law on the Prevention and Control of Water Pollution pptx

Ngày tải lên : 18/02/2014, 04:20

... amendments IV DEVELOPMENT OF WATER QUALITY AND DISCHARGE STANDARDS In order to decrease water pollution and protect China’s waters, permits must be based on the level of pollution the waterbody can support ... Prevention and Control of Water Pollution art (P.R.C.) 2009] Cleaner Water in China? 197 of water environmental protection targets constitutes a part of the performance evaluation of local people’s ... and regulations to handle local discharges.39 33 Law on Prevention and Control of Water Pollution (promulgated by the Standing Comm Nat’l People’s Cong., May 11, 1984, amended May 15, 1996, and...

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Tài liệu Báo cáo khoa học: Biochemical characterization and inhibitor discovery of shikimate dehydrogenase from Helicobacter pylori docx

Ngày tải lên : 19/02/2014, 05:20

... s)1, Km of 0.148 ± 0.028 mm and kcat ⁄ Km of 5.2 · 104 m)1Æs)1 toward shikimate, and a kcat of 7.1 ± 0.7 s)1, Km of 0.182 ± 0.027 mm and kcat ⁄ Km of 3.9 · 104 m)1Æs)1 toward NADP Different from ... profile of HpSDH It is found that the pH optimum of 4686 Fig Temperature profile of HpSDH enzyme activity Fig pH profile of HpSDH enzyme activity HpSDH is between 8.0 and 9.0, and the pH optimum of ... kinetic parameters Km and Vmax were calculated from the slope and intercept values of the linear fit in a Lineweaver–Burk plot To test the enzymatic activity of HpSDH in the presence of quinate, the...

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Tài liệu Báo cáo khoa học: Comparative studies of endonuclease I from cold-adapted Vibrio salmonicida and mesophilic Vibrio cholerae docx

Ngày tải lên : 19/02/2014, 05:20

... sequences of VsEndA (Fig 1) The theoretical pI was 9.61 for VsEndA and 8.62 for VcEndA Expression and puriﬁcation From L Escherichia coli culture, a total of 24 and 50 mg pure recombinant VsEndA and ... Endonuclease I from V salmonicida and V cholerae Here we report the cloning, expression and puriﬁcation of the endonuclease I enzymes from the psychrophile V salmonicida (VsEndA) and the mesophile ... molecular masses of the standard are shown on the left The calculated molecular masses were 25.0 and 24.7 kDa for VsEndA and VcEndA, respectively, which is in agreement with the results from the SDS...

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Tài liệu Báo cáo khoa học: Enzymatic properties of wild-type and active site mutants of chitinase A from Vibrio carchariae, as revealed by HPLC-MS pptx

Ngày tải lên : 20/02/2014, 01:20

... by the patterns of the product formation, the release of dimers, trimers and tetramers from the hexamer was considered to result from direct action of the enzymes On the other hand, the pentamer ... Steve C Fry, Institute of Cell and Molecular Biology, University of Edinburgh, Edinburgh, UK, and Dr Albert Schulte, Ruhr University of Bochum, Germany, for critical reading of the manuscript References ... (Fig 4A) In the case of the E315Q mutant, an additional faint band was also seen at an Mr of 43 000 This band appeared as a degradation product during freezing and thawing of the protein that...

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Tài liệu Báo cáo khoa học: Cloning, characterization and expression analysis of interleukin-10 from the common carp, Cyprinus carpio L. docx

Ngày tải lên : 20/02/2014, 02:21

... and pufferfish (torafugu and spotted green pufferfish) IL-10 sequences Pufferfish and carp IL-10 genes, clustered together and distant from IL-20 and IL24, as recently determined from analysis of ... 5¢-ACTACCTCATGAAGATCCTG-3¢ and reverse: 5¢-TTGCTGACCACATCTGCTG-3¢) served as a control for the quantity and quality of cDNA Semiquantitative analysis of RT–PCR products Suspensions of Carp head kidney and liver ... lM), lL of cDNA and 27.5 lL of distilled water The PCR was performed using a PTC-200 thermal cycler (MJ Research) with predetermined reaction cycles of 30 s at 94 °C, 30 s at 56 °C (IL-10) and 57...

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