2development of methods for the determination of sterols in vegetable oils
comparison of the methods for the determination of surface acidity of solid catalysts
... from the quantity of water formed during the reaction The fraction of the various forms of hydrogen can be determined from the ratios of the areas of the corresponding peaks The technique, implying ... the difficulty of determining the exact end point of titration and to the presence of traces of moisture Other disadvantages a r e the impossibility of making determinations in the real working ... The combination of the information obtainable from two o r more of them can often be the only way to give a complete picture of the surface acid properties of the solid under examination 11 DETERMINATION...
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Development of computational methods for the rapid determination of NMR resonance assignment of large proteins
... Assignment Using 4D NMR clustering in this thesis The aim of clustering is to accelerate the performance of the program In subsequent steps of constructing spin-systems and modifying established spin-systems ... essential in: (1) the structure determination of proteins, (2) intermolecular interactions, and (3) protein dynamics Firstly, consider the determination of protein structure from NMR data Protein chemical ... proposed in this thesis We have designed a protein resonance assignment strategy consisting of four steps: (1) xi Summary the combination of amino acid spin-systems, (2) the determination of amino...
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Comparison of Methods for the Extraction of Bioflocculants from Activated Sludge
... of 95 ml) The A280 to A260 ratio of the UV-absorbing peak indicated it was composed mainly of nucleic acid In the profile of the NaOH-extracted polymer (B), the elution volume (80 ml) of saccharide ... shaking, absorbance at 660 nm (A660) was measured for min, and the relative A660 against the control test was calculated every minute using the following formula: The relative A660 = A660 of flocculating ... Ag-protein stain, the components varied greatly by polymer Several bands demonstrated the same mobility in both stains, suggesting that these bands were complexes of protein and saccharide These included...
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Tài liệu Báo cáo khoa học: "Methods for the Qualitative Evaluation of Lexical Association Measures" doc
... evaluation of lexical association measures, mainly for the following reasons: the instability of precision values obtained from the rst few percent of the data in the SLs; the lack of signicant ... obtain condence intervals for the true precision values of the bestperforming AM (frequency), given our 10% sample The upper and lower bounds of the 95% condence intervals are shown as thin lines ... different from the baseline obtained by random selection In contrast to our expectation stated at the beginning of this section, the performance of and relative to the other AMs is not better for high-frequency...
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Báo cáo khoa học: A novel metallobridged bis(b-cyclodextrin)s fluorescent probe for the determination of glutathione doc
... remained constant for at least h Hence, the reaction was left to proceed for 10 min, and the uorescence was then measured at room temperature Inuence of interference The inuence of the main constituents ... concentration of increased, the uorescence intensity of the system also increased slightly We therefore used 2.00 mL of 2.00 ã 10)4 molặL)1 metallobridged bis(bCD)s Inuence of reaction time The effect of ... which inuences the uorescence intensity Therefore, the inuence of the volume of buffer was measured Because the volume of buffer added (1.003.00 mL) had little effect on the uorescence intensity,...
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Review of the Existing Techniques for the Determination of Dry Rubber Content in Natural potx
... discussion of the results are included in chapter five of this thesis Finally, in chapter six the summary and general conclusions of the work including scope for doing further work in the area are incorporated ... immersed in the latex and allowed to come to rest without touching the side of the cylinder The reading on stem is noted The ORC of the latex is obtained by multiplying the reading by three (since ... formulated in Travancore during 1860s and subsequently in Cochin for the distribution of forest and wasteland for plantation crops were instrumental for the initial growth and expansion'l", In terms of...
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nmr methods for the investigation of structure and transport
... spins By linearity of the Fourier transform the direct relation between the peak integral and the number of spins of the corresponding chemical group holds for the spectrum of superposed lines ... real, the oscillating imaginary part of the sum in general leads to a small imaginary part of Qn The maximum of the real part of the sum is N times higher than the amplitude of the oscillating ... /: (2.47) For n D N=2 the origin is such that QN=2 is dominated by r/ in the vicinity of the right boundary of the FOV Still for a rather coarse discretization of N D 32 the corresponding sum is...
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báo cáo hóa học: " The evolution of methods for the capture of human movement leading to markerless motion capture for biomechanical applications" pptx
... improving the efficiency of troop movement During the 1950s there was a need for an improved understanding of locomotion for the treatment of World War II veterans The classic work at the University of ... skin The movement of the markers is typically used to infer the underlying relative movement between two adjacent segments (e.g knee joint) with the goal of precisely defining the movement of the ... optimal weighting of the markers according to their degree of deformation Another extension of the basic PCT corrects for error induced by segment deformation associated with skin marker movement...
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Báo cáo hóa học: " Analysis of in vitro replicated human hepatitis C virus (HCV) for the determination of genotypes and quasispecies" docx
... probable that there is only one type of infectious and replicating HCV The variety of HCV RNA in patients could result from changes induced in the plasma/sera, including the production of noninfectious ... is, therefore, well suited for studying the biology and immunology of HCV infections It is also an excellent system for testing the efficacy of candidate drugs and advancing ideas for vaccines Methods ... which explains both the low titer of infectious virus in patients and in cell culture and the long incubation period before the development of an acute disease The high titer of viral RNA in plasma/...
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Cocoa Processing Methods for the Production of High Quality Cocoa in Vietnam ppt
... assistance in providing information regarding the cocoa industry in Vietnam and in the establishment of solar driers and fermenting boxes at their demonstration farm sites in Ben Tre Province HARVESTING ... darken in colour during drying as the majority of browning reactions will occur during this process DRYING OF COCOA Drying of cocoa is an important step in cocoa processing as some of the reactions ... on the percentage of fully brown beans in the cut test 6: The effect of spreading of beans for two hours, prior to placement in boxes, on fermentation temperatures 7: The effect of spreading of...
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Báo cáo hóa học: " Research Article Fixed Point Methods for the Generalized Stability of Functional Equations in a Single Variable" ppt
... we obtain the existence of a mapping c : G → Y such that the following hold i c is a fixed point of J, that is, c x F x, c η x ∀x ∈ G , 4.13 The mapping c is the unique fixed point of J in the set ... Proceedings of the National Academy of Sciences of the United States of America, vol 27, no 4, pp 222–224, 1941 T Aoki, “On the stability of the linear transformation in Banach spaces,” Journal of the ... also the recent articles of Forti 16, 17 , for supplementary details On the other hand, in 18–25 , a fixed point method was proposed, by showing that many theorems concerning the stability of Cauchy,...
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Designation: C 490 – 00a - Use of Apparatus for the Determination docx
... around the pins (Note 4) NOTE 4 The purpose of the minimal blotting of the pins and no blotting of the bars is to avoid drying and shrinkage of the bars It has been observed that if the pins are ... the dial gage setting of the measuring device by use of the reference bar at least at the beginning and end of the readings made within a half day when the apparatus is kept in a room maintained ... measuring instrument while the comparator reading is being taken Record the minimum reading of the dial if the rotation causes a change in the dial reading Place specimens in the instrument with the...
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Standard Methods for the Examination of Water and Wastewater P4. end
... conversion In- line distillation methods are used for the determinations of ammonia, fluoride, cyanide, phenols, and other volatile compounds In- line digestion can be used for the determination of total ... buffer solutions in the pH range of to The error resulting from inaccurate pH measurements grows with an increase in total alkalinity For example, an inaccuracy of 0.1 in the pH determination causes ... Analytical methods for the determination of cyanates in plating wastes Plating 39:381 23 GARDNER, D.C 1956 The colorimetric determination of cyanates in effluents Plating 43:743 24 Procedures for Analyzing...
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Standard Methods for the Examination of Water and Wastewater P3
... to margin; short spines often present around margin (valve view) 31b Area of prominent radial markings, in valve view, limited to Cyclotella approximately outer half of circle, marginal spines ... Standard Methods for the Examination of Water and Wastewater Agency, National Environmental Research Center, Cincinnati, Ohio PATRICK, R & C.W REIMER 1975 The Diatoms of the United States Exclusive of ... Water Environment Federation Standard Methods for the Examination of Water and Wastewater Algae General TAYLOR, W.R 1957 Marine Algae of the Northeastern Coast of North America, 2nd ed Univ Michigan...
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Standard Methods for the Examination of Water and Wastewater P2
... of Water and Wastewater Dinobryon © Copyright 1999 by American Public Health Association, American Water Works Association, Water Environment Federation Standard Methods for the Examination of ... Methods for the Examination of Water and Wastewater Pandorina © Copyright 1999 by American Public Health Association, American Water Works Association, Water Environment Federation Standard Methods ... for the Examination of Water and Wastewater Peridinium © Copyright 1999 by American Public Health Association, American Water Works Association, Water Environment Federation Standard Methods for...
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Standard Methods for the Examination of Water and Wastewater P1
... atomic weights of many elements are not invariant but depend on the origin and treatment of the material The standard values of Ar(E) and the uncertainties (in parentheses, following the © Copyright ... educational and technical information programs, AWWA promotes the improvement of the quality and quantity of the drinking water supply Contact information: AWWA 6666 West Quincy Avenue Denver, CO ... precipitate by keeping solution at the boiling point for a few hours in a hot water bath or by letting particles settle for at least 48 h in an alkali-resistant container (wax-lined or polyethylene)...
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Báo cáo khoa học: "Comparison of Diagnostic Methods for the Detection of Parasites in Fish" pdf
... Comparison of Diagnostic Methods for the Detection of Parasites in Fish and disadvantages, depending on the purpose and target of study For parasitological investigation, the classical methods (the ... microscope Stretching of these metacercariae was done by hot formalin for two minutes Then, they were kept in Eppendorf tubes with neutral formalin (4%) Diagnosis of parasitic infections * Diagnosis ... saline pH 7.0) The internal organs were exposed after a vertical incision was made from the anal opening to the Before any dissection, the exterior of the fish was observed under the dissecting...
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Báo cáo khoa học: " Effective methods for the production of immunoglobulin Y using immunogens of Bordetella bronchiseptica , Pasteurella multocida and Actinobacillus pleuropneumoniae" docx
... stopping of the reaction with M HCl solution Laying rates The laying rate in each experimental group was calculated by dividing the total number of eggs by accumulated number of hens during days of ... was denatured in sample buffer by incubation at 100℃ for The 20 ml of the sample were applied in 12% polyacrylamide gel at 80 V for hr Protein bands were visualized by staining the gel with 0.1%(w/v) ... was lower than in the other groups in case of using IROMP as a coating antigen (Fig 5) Earliest immune response in egg yolks was observed in group (Fig 5) There was no difference in the antibody...
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Báo cáo khoa học: " Comparison of two sap flow methods for the estimation of tree transpiration" ppt
... in figure Respective functioning of each method was not deteriorated by the other The relationship obtained with the comparison of the two methods over the whole period (n 589) is presented in ... transpiration in the morning This study confirmed the possibility of experiment one or the other method in accordance with the objectives, and the equipment The major problem is still the choice of samples ... required for an accurate estimation of transpiration The combination of the two methods seems possible in the same experiment The heat balance for the small trunks, and transpiration calculation for...
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Báo cáo sinh học: "Use of sib-pair linkage methods for the estimation of the genetic variance at a quantitative trait locus" pps
... estimator of the QTL variance Whether the bias on the size of the biasing factor not, it depends in the range of realistic values for O t shows the value ofk as a function of for different values of ... (1992) found that the use of fully informative matings can increase the power of the Haseman-Elston test for a given number of genotypings Consequently, only these matings were used in the calculations ... number of genotypings If many markers are to be examined, the parents will only be informative for a fraction of the markers Since the major costs in the given design arise from the typing of progeny,...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam 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 phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 sự cần thiết phải đầu tư xây dựng nhà máy từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25