determination of tritriated water release
Determination of EDTA in Water Samples by SPE-Gas Chromatography/Mass Spectrometry
... study of the proposed method Determination of EDTA in river water samples For the application of this analytical method to environmental water samples, concentrations of EDTA in river water samples ... Recovery of EDTA fromtap water samples and tap water Recovery of EDTA from Milli-Q water and Milli-Q water Recovery of triplicate samples (%) Analyte Vehicle Concentration (mg/L) A B C Milli-Q water ... the Examination of Water Occurrence of EDTA in river water samples from three regions of Japan was examined EDTA was detected in ten of thirteen river water samples A high level of EDTA was observed...
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DETERMINATION OF ORGANIC COMPOUNDS IN DRINKING WATER BY LIQUID-SOLID EXTRACTION AND CAPILLARY COLUMN GAS CHROMATOGRAPHY/MASS SPECTROMETRY pdf
... provides procedures for determination of organic compounds in finished drinking water, source water, or drinking water in any treatment stage The method is applicable to a wide range of organic compounds ... equivalent 7.3.2 Reagent Water Water in which an interference is not observed at the method detection limit of the compound of interest Prepare reagent water by passing tap water through a filter ... concentration of analyte or surrogate in µg/L in the water sample Ax = integrated abundance of the quantitation ion of the analyte in the sample Ais = integrated abundance of the quantitation ion of the...
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Báo cáo lâm nghiệp: "Determination of the pressing parameters of spruce water-resistant plywood" ppt
... of the percentage of resin hardening, intentional control of the coefficient of compressibility, effects of veneer moisture on heat passage and coefficient of compressibility etc The extent of ... the temperature of compression plates, working pressure, woody species, thickness of elements and of the product, kind of resin and viscosity of its solution etc From the aspect of heat passage ... conductivity of water During the gradual warming-through of the set of veneers a woody species changes its temperature together with water contained in wood and adhesive At a temperature of 100°C,...
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Báo cáo khoa học: "The influences of age, extractive content and soil water on wood color in oak: the possible genetic determination of wood color" pptx
... from the Forêt d’Amance as Soil water content and wood color Examination of core samples revealed that the amount of available soil water influenced the color of Q robur but not Q petraea In ... glass, several plastics and decorative papers Wood is often favored because of its aesthetic properties, particularly color A survey of wood-using professionals by Mazet and Janin (1990) showed that ... suggestion that the wood of sessile oak is slightly redder than that of pedunculate oak However, Scalbert et al (1986) found no differences in the quantity and quality of extractives of the species Rink...
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Determination of Non-Steroidal Anti-Inflammatory Drugs (Nsaids) in Surface Water at Ho Chi Minh City
... , acetic acid (Merck), ultrapure water (Millipore), ketoprofen, ibuprofen, diclofenac sodium and mefenamic acid standard (IDQC, purity >99.9%) Stock solutions of 1,000mg/L were prepared in methanol ... detection limit (MDL) and method quantitation limit (MQL) of the pharmaceutical compounds in water Pharmaceutical compound Ketoprofen Ibuprofen Diclofenac sodium Mefenamic acid MDL (µg/L) 0.004 0.015 ... simultaneous analysis of four common NSAIDs including ketoprofen, ibuprofen, diclofenac sodium and mefenamic acid This method proves to be accurate and effective for the analysis of these compounds...
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Liquid phase microextraction for the determination of acidic drugs and beta blockers in water samples
... speed of NSAIDs and clofibric acid Two-phase LPME extraction profile vs extraction time of NSAIDs and clofibric acid Chromatograms of NSAIDs and clofibric acid (at 10ppb) in spiked ultrapure water ... Relative abundance ibuprofen naproxen ketoprofen clofibric acid time Figure 3.8 Chromatograms of NSAIDs and clofibric acid (at 10ppb) in spiked ultrapure water Further improvements of the LPME method ... whereas the low viscosity of chloroform impeded the stability of the organic phase immobilized in the hollow fiber pores due to dissolution of chloroform in the midst of extraction n-Octanol was...
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Water quality application of inductively coupled plasma mass spectrometry (ICP MS) part 2 determination of 62 elements
... ISO 15587-1, Water quality — Digestion for the determination of selected elements in water — Part 1: Aqua regia digestion ISO 15587-2, Water quality — Digestion for the determination of selected ... STANDARD No fur Table — Limits of application for unpolluted water Element Isotope often used Limit of applicationa Element Isotope often used 0,1 0,1 µg/l Ag Limit of applicationa Ho 165Ho 109Ag ... handling of water samples ISO 8466-1, Water quality — Calibration and evaluation of analytical methods and estimation of performance characteristics — Part 1: Statistical evaluation of the linear...
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DETERMINATION OF THE DIGESTIBILITY OF SOME PLANT INGREDIENTS FOR GRASS CARP (Ctenopharyngodon idella)
... ADC of DM of test ingredient (%) = (ADC of DM of the test diet - 0.7 x ADC of DM of the reference diet)/0.3 ADC of nutrient of test ingredient (%) = [(nutrient in test diet x nutrient ADC of the ... method The determination of chromium III (trivalent) that involves digestion of organic matter, solubilisation of chromium and determination of chromium was Table Chemical compositions of studied ... means of three replicates with standard error (SE) 989 Determination of the digestibility of some plant ingredients for grass carp (Ctenopharyngodon idella) Table The digestibility of protein of...
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An Analysis of Domestic Water Demand Structure and Water Recycling in Beijing
... sources of water supply: surface water and groundwater The amount of surface water supplied and ground water available are 824 and 1,236 million m3, respectively Surface Evaporation Total water ... educational background of a household could also possibly affect its level of water consumption Household water uses and behavior The annual amount of per capita water use for different water use facilities, ... household water use - 137 - Journal of Water and Environment Technology, Vol 9, No.2, 2011 Recycling water for domestic use and effects of recycling water supply Attitudes toward the different uses of...
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Physicochemical properties of polluted water of river Ganga at Varanasi
... pH Because most of the chemical and biochemical reaction are influenced by the pH it is of great practical importance The adverse affect of most of the acids appear below and of alkalis above ... the water quality criteria of an aquatic system In the system where rate of respiration and organic decomposition are high ,the DO values remain lower than those of system where the rate of photosynthesis ... per cm It is numerical expression of the ability of water sample to carry an electric current The value ranged from maximum of 843µs (Jan) at Raj Ghat to minimum of 185µs (July) at Shiwala Ghat...
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Plasmon Resonant Enhancement of Photocatalytic Water Splitting Under Visible Illumination
... absorption of the Au nanoparticle film is a result of the inhomogeneity in size, shape, and separation of these plasmonic nanoparticles, as can be seen in the electron microscope image of Figure ... research groups.39-41 The importance of the intense local fields can be seen in Figure 6d, which shows a cross-sectional plot of the electric field distribution of one of these hot spot regions in the ... diffusion length to ∼10 nm.42-44 As a result of this, only photons absorbed within 10 nm of the TiO2 surface will contribute to the photocatalytic splitting of water Here, the plasmonic nanoparticles...
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iec 60076-10 power transformers - determination of sound levels
... provisions of this part of IEC 60076 For dated references, subsequent amendments to, or revisions of, any of these publications not apply However, parties to agreements based on this part of IEC ... measurement of sound intensity – Measurement with pairs of pressure sensing microphones IEC 61378 (all parts), Convertor transformers ISO 3746:1995, Acoustics – Determination of sound power levels of ... the presence of sound It is expressed in pascals 3.2 sound pressure level, L p ten times the logarithm to the base 10 of the ratio of the square of the sound pressure to the square of the reference...
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Tài liệu AUTOMATIC MONITORING AND CONTROL OF COOLING WATER TREAMENT PRODUCTS docx
... Control of cooling water inhibitor dosage is one of the critical issues in achieving good results as to control of scale, corrosion and deposition; minimization of water management program ... measurement of a system parameter; such as on time, conductivity, or makeup water amount; and dosing of the inhibitor based upon a relationship between the measured parameter and the amount of inhibitor ... monitoring of various cooling water parameters, such as ortho phosphate and molybdate, as either product components or tracers to control feed of inhibitor These methods suffer due to use of costly...
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Tài liệu Báo cáo " Determination of the annual beta dose by meaming beta activity using the liquid scintillation technique " ppt
... are the saturation water contents expressed as (weight of water/ dry weight) for pottery or soil, respectively; F is the fraction of saturation to which the assumed average water content corresponds ... dose of beta (mGy/yr) was evaluated from: Dβ = 2,22.10-3.Cβ and that of gamma (mGy/yr) from: Dγ = 0.1752.Iγ, where Cβ is the specify activity of beta (Bq/kg), and (Iγ) is gamma dose rate (µR/h) Water ... CPΠ-68-01 Proceeding of the 14th Conference, University of Mining and Geology, Hanoi, 17th November (2004) 50 [7] Ha Van Tan (Chief Ed.), Archaeology of Viet Nam, The Publisher of Social Science,...
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Tài liệu METHOD 21 - DETERMINATION OF VOLATILE ORGANIC COMPOUND LEAKS doc
... concentration 3.2 Calibration precision means the degree of agreement between measurements of the same known value, expressed as the relative percentage of the average difference between the meter readings ... and equipment This test method may not address all of the safety problems associated with its 1154 use It is the responsibility of the user of this test method to establish appropriate safety ... practices and determine the applicability of regulatory limitations prior to performing this test method 5.2 Hazardous Pollutants Several of the compounds, leaks of which may be determined by this method,...
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Tài liệu Báo cáo Y học: NMR-based determination of the binding epitope and conformational analysis of MUC-1 glycopeptides and peptides bound to the breast cancer-selective monoclonal antibody SM3 pptx
... fragment of the ligand of the X-ray structure (RCSB PDB entry 1SM3) After small manual corrections, the ligands were docked into the binding site of SM3 using the FLEXIDOCK module of the SYBYL software ... correlation times of these proton pairs The lower three diagrams show examples of build-ups of structurally relevant NOE contacts site of SM3 is shown in Fig 5B For comparison of X-ray and NMR ... to about 36% of the interaction of the full peptide with the binding cavity of SM3 The sizes of the surfaces were determined using distances between ligand ˚ atoms and protein atoms of less than...
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Tài liệu BÁO CÁO " DETERMINATION OF THE DIGESTIBILITY OF SOME PLANT INGREDIENTS FOR GRASS CARP (Ctenopharyngodon idella) " pdf
... ADC of DM of test ingredient (%) = (ADC of DM of the test diet - 0.7 x ADC of DM of the reference diet)/0.3 ADC of nutrient of test ingredient (%) = [(nutrient in test diet x nutrient ADC of the ... method The determination of chromium III (trivalent) that involves digestion of organic matter, solubilisation of chromium and determination of chromium was Table Chemical compositions of studied ... means of three replicates with standard error (SE) 989 Determination of the digestibility of some plant ingredients for grass carp (Ctenopharyngodon idella) Table The digestibility of protein of...
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Báo cáo " PRELIMINARY ASSESSMENT AND SIMULATION OF THE WATER QUALITY OF CAU RIVER, BAC NINH PROVINCE BY MATHEMATICAL MODEL " pptx
... self-purification ability of Cau River 3.2 Modeling water quality of Cau River by QUAL2E The Enhanced Stream Water Quality Model (QUAL2E) is a comprehensive and versatile stream water quality model ... have to be supplied with clean water, reduce as much as possible the uses of river water It is necessary to have solution to treat waste water in craft villages More water samples should be taken ... comments as follows: All the twenty water samples has very high coliform indices, exceeding the limited value of class B - surface waters quality standard of Vietnam (TCVN 5942/95/B) [4, 9] The...
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Tìm thêm: xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct mở máy động cơ lồng sóc các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu chỉ tiêu chất lượng 9 tr 25