4sulfides disulfides and related compounds
Organic Chemicals : An Environmental Perspective - Chapter 7 doc
Ngày tải lên :
11/08/2014, 04:20
... developed and undergone intralaboratory and interlaboratory validation using both negative (saccharin and cyclamate) and positive (caffeine and 5-fluorouracil) controls (Bantle et al 1994), and for ... exceeded 1000 mg/l and (2) the values of NOEC were mg/l for DTPA and 67 mg/l for Fe-DTPA and of LOEC were 10 and 134 mg/l From these results, it may be concluded that free EDTA and DTPA display ... as oats and wheat, and dicotyledons, such as beans, carrots, and cucumbers, has been used Suitable end points are the frequency of seed germination and the extent of root elongation, and the...
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English for Tourism and Hospitality 4
Ngày tải lên :
05/11/2012, 09:52
... chant out loud Is there a kettle? And are there cups? Are there cups for tea? Yes, there’s a kettle And there are cups Is that OK? OK! Answers: 1) There’s (some) tea and coffee in the cupboard 2) ... away tea-making facilities kettle Writing sentences – There is or There are Below are some nouns and prepositions Use them to write sentences using there is or there are When you have checked your ... _ car park / at / rear / hotel _ Matching – Both and just Match the first part of the conversation with the correct response Practise saying them...
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English for Tourism and Hospitality 4
Ngày tải lên :
05/11/2012, 16:27
... kettle? And are there cups? Are there cups for tea? Yes, there's a kettle And there are cups Is that OK? OK! Is there a kettle? And are there cups? Are there cups for tea? Yes, there's a kettle And ... an alarm clock in the room? Leo: Yes, there is Mona: And a kettle and tea? Leo: Yes, there are tea-making facilities in every room Mona: And is there an iron? Leo: I'll see to it right away Now, ... an alarm clock in the room? Leo: Yes, there is Mona: And a kettle and tea? Leo: Yes, there are tea-making facilities in every room Mona: And is there an iron? Leo: I'll see to it right away Now,...
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Tài liệu A resource for reading and words part 4 docx
Ngày tải lên :
23/12/2013, 11:15
... Photographs and recollections confirm that in features and coloring he his mother He was quite a small man, about five feet in height, poor and The first term is always an unsettling time/ and it ... going to work B) C) D) E) had finished work and was going home was working for a man called Rogers was trying to sell more and more looked shabby and unshaven When the man in the park saw the ... Kevin Rogers used to be my boss He was a hard-working businessman and a real slave driver, always telling us we had to sell more and more Tired of his relentless treatment, as soon as I could,...
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iec 60439-4 low-voltage switchgear and controlgear assemblies - particular requirements for assem
Ngày tải lên :
25/12/2013, 11:07
... International Standards transparently to the maximum extent possible in their national and regional standards Any divergence between the I EC Standard and the corresponding national or regional standard ... and regulating equipment complete with all their internal electrical and mechanical connections and structural parts (see 2.4), designed and built for use on all construction sites, indoors and ... be connected to the ACS 7.2.5 Lifting and handling devices of ACS Lifting rings and/ or handles (or any other equivalent system) shall be provided on the ACS and be firmly attached to the enclosure...
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Tài liệu Differences in 4-Year Health Outcomes for Elderly and Poor, Chronically III Patients Treated in HMO and Fee-for-Service Systems ppt
Ngày tải lên :
14/02/2014, 07:20
... interaction terms HMO and age ?65 y HMO and poverty status HMO and physical or mental health tertiles Age ?65 y and poverty Age -65 y and physical or mental health tertiles Poverty and physical or ... Campbell DT The design and conduct of quasi-experiments and true experiments in field settings In: Dunnette MD, ed Handbook of Industrial and Organizational Psychology Chicago, Ill: Rand McNally College ... FFS and HMO systems had or more comorbid conditions; the most prevalent conditions were back pain/ sciatica (39% and 37% in FFS and HMO systems, respectively), musculoskeletal complaints (24% and...
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Interferon-c Release Assays for Active Pulmonary Tuberculosis Diagnosis in Adults in Low- and Middle-Income Countries: Systematic Review and Meta-analysis pdf
Ngày tải lên :
22/03/2014, 18:20
... studies (19%) and acknowledged in (30%), including donation of IGRA kits (6 studies) and work and/ or financial relationships between authors and IGRA manufacturers (2 studies) Sensitivity and Specificity ... Quality and reporting of diagnostic accuracy studies in TB, HIV and malaria: evaluation using QUADAS and STARD standards PLoS One 2009; 4:e7753 25 Pai M, Minion J, Steingart K, Ramsay A New and improved ... simultaneously estimated sensitivity and specificity among persons with suspected tuberculosis, and test accuracy estimates were pooled using bivariate random effects and/ or HSROC methods (these studies...
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IEC 60874 14 4 connectors for optical fibres and cables detail specification for fibre optic adaptor (simplex) type SC for multimode fibre
Ngày tải lên :
04/04/2014, 11:52
... International Standards transparently to the maximum extent possible in their national and regional standards Any divergence between the IEC Standard and the corresponding national or regional standard ... 07:07:37 MST Standards Survey We at the IEC want to know how our standards are used once they are published The answers to this survey will help us to improve IEC standards and standard related information ... demonstration buying standards in industry other using standards other membership in standards organization In what medium of standard does your organization maintain most of its standards (check...
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Industrial Safety and Health for Goods and Materials Services - Chapter 4 potx
Ngày tải lên :
18/06/2014, 22:20
... (Safety and health for office workers is covered in Industrial Safety and Health for Administrative Services.) Laborers and hand freight, stock, and material movers help load and unload freight and ... substances, materials, and chemicals Manual lifting and handling task Improper fueling and charging batteries Poor ergonomic design Potential fires 4.3 OCCUPATIONS The handling and storage of materials ... Flammable and combustible liquids Storage and handling of liquefied petroleum gases Mechanical power-transmission apparatus Eye and face protection Sanitation Source: From Occupational Safety and Health...
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Supply Chain Management Pathways for Research and Practice Part 4 pdf
Ngày tải lên :
19/06/2014, 15:20
... integrity and ERP implementations as the backbone and proceeding with add-ons like CRM and SRM (Akyuz and Rehan, 2009; Xu, 2011) The relevance and importance of the use of Web Services and Service ... consolidation and project management -related data and information from the PM (project management) system Finance and cost -related information from FM (Finance Management) system External customer -related ... and use three layers as basic, technical, and operating environment, highlighting the need for the integration of information, standards and organisation with business requirements, society and...
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Evapotranspiration covers for landfills and waste sites - Chapter 4 doc
Ngày tải lên :
20/06/2014, 00:20
... soil covers for 4–17 years (Nyhan et al 1990; Anderson et al 1993; Waugh et al 1994; Anderson 1997; Andraski 1997; Forman and Anderson 2005; Fayer and Gee 2006) These experiments sampled annual ... (1971) measured soil water content, chloride, and salt movement in soil profiles under native grasslands, dryland wheat and sorghum, and irrigated wheat and sorghum His measurements extended from ... afcee.brooks.af.mil/products/techtrans/landfillcovers/LandfillProtocols.asp (accessed March 14, 2008) Hauser, V L., Weand, B L., and Gill M D (2001) Natural covers for landfills and buried waste, J Environ...
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Milestone 4: Identification of suitable high priority project interventions and selected smallholders for training and demonstration units and estimation of potential physical and financial impacts " doc
Ngày tải lên :
21/06/2014, 06:20
... best and iron the worst option One shed had an iron roof covered with thatch and this seemed to work well Whether this will reduce the life span of the iron is unknown Figure Ridge vents and a ... against heat and is readily available so was used on many of the new sheds Ridge vents were also installed on some farms and provide very good ventilation o Many buildings have poor standard of ... These openings allow cold draughts to enter the shed from outside, and this creates poor dunging patterns and reduces hygiene and air quality levels Figure Open gutter system The new shed designs...
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Fungicides for Plant and Animal Diseases Part 4 ppt
Ngày tải lên :
22/06/2014, 03:20
... 2E-alkenals and their related analogues are common in many plants (Kim et al., 1995; Kubo and Kubo, 1995; Kubo et al., 1996 and 1999; Kubo and Fujita, 2001; Trombetta et al., 2002) and readily ... (µg/mL) of polygodial and its related compounds against S cerevisiae 66 Fungicides for Plant and Animal Diseases Safety is a primary consideration for antifungal agents, and hence, the aldehydes ... W, Yang, S and J.Wana 2009 Expression and homology modelling of sterol 14α-demethylase of Magnaporthe grisea and its interaction with azoles, Pest Manag Sci, 65: 260–265 Yoshida, M and Horikoshi,...
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Handbook of mathematics for engineers and scienteists part 4 potx
Ngày tải lên :
02/07/2014, 13:20
... papers and three patents He has written a number of fundamental handbooks, including A D Polyanin and V F Zaitsev, Handbook of Exact Solutions for Ordinary Differential Equations, CRC Press, 1995 and ... 2002; A D Polyanin, V F Zaitsev, and A Moussiaux, Handbook of First Order Partial Differential Equations, Taylor & Francis, 2002; and A D Polyanin and V F Zaitsev, Handbook of Nonlinear Partial Differential ... series, indefinite and definite integrals, direct and inverse integral transforms (Laplace, Mellin, and Fourier transforms), and exact solutions of differential, integral, functional, and other mathematical...
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Quantitative Methods for Ecology and Evolutionary Biology (Cambridge, 2006) - Chapter 4 pot
Ngày tải lên :
06/07/2014, 13:20
... in Mangel and Clark (1988) and Clark and Mangel (2000) Note that each term on the right hand side involves current accumulation to fitness (which may be if no host is encountered) and future ... exp(ÀaP), so that fH ¼ and fP ¼ Àaexp(ÀaP); these need to be evaluated at the steady states and the coefficients a, b, c, and d in Eq (4.9) evaluated so that we can then determine and Exercise 4.3 ... to be laid at time t À TE and survived from then until time t The rate of egg laying at that earlier time was rA(t À TE) and if we assume random search by parasitoids and other sources of mortality,...
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English for Professional and Academic Purposes phần 4 doc
Ngày tải lên :
22/07/2014, 04:21
... 1985; Frankel and Beckman, 1989; Steele et al., 1990; Morris and Schultz, 1992, 1993; Roter and Hall, 1994; Klingle and Burgoon, 1995; Dunbar, 1998; Dunbar-Jacob and Schlenk, 2001; Bower and Taylor, ... Curry, M.J and T Lillis (2004) Multilingual scholars and the imperative to publish in English: Negotiating interests, demands, and rewards, TESOL Quarterly (38) 4: 663-688 Dafouz, E and B Núñez ... & Talk (28) 6: 749-769 Moreno, A.I and L Suárez (2009) Academic book reviews in English and Spanish: critical comments and rhetorical structure In Hyland, K and G Diani (eds) Academic Evaluation:...
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Advanced Mathematical Methods for Scientists and Engineers Episode 1 Part 4 pptx
Ngày tải lên :
06/08/2014, 01:21
... 1) and |x1 − x2 | < δ Solution 3.6 √ √ √ First consider the function x Note that the function x + δ − x is a decreasing function of x and an increasing √ √ √ function of δ for positive x and ... and ∆f By definition, ∆f = f (u + ∆u) − f (u), ∆u = g(x + ∆x) − g(x), and ∆f, ∆u → as ∆x → If ∆u = then we have = ∆f df − → as ∆u → ∆u du If ∆u = for some values of ∆x then ∆f also vanishes and ... the derivative does not exist and thus x = is a critical point For x < 2, f (x) < and for x > 2, f (x) > x = is a local minimum Solution 3.16 Let r be the radius and h the height of the cylinder...
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Advanced Mathematical Methods for Scientists and Engineers Episode 2 Part 4 ppsx
Ngày tải lên :
06/08/2014, 01:21
... let f (z) be analytic and nonzero inside and on B except for a pole of order p at z = b Then we can write g(z) (z) f (z) = (z−b)p where g(z) is analytic and nonzero inside and on B The integral ... Theorem Let f (z) and g(z) be analytic inside and on a simple, closed contour C If |f (z)| > |g(z)| on C then f (z) and f (z) + g(z) have the same number of zeros inside C and no zeros on C 502 ... factor the integrand to see that there are singularities at z = and z = −ı C (z + z + ı) sin z dz = z + ız C (z + z + ı) sin z dz z (z + ı) Let C1 and C2 be contours around z = and z = −ı See Figure...
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Advanced Mathematical Methods for Scientists and Engineers Episode 3 Part 4 pot
Ngày tải lên :
06/08/2014, 01:21
... coefficients of tα−1 log t and tα−1 to determine xi and η (A − αI)xi = 0, 896 (A − αI)η = xi These equations have solutions because λ = α has generalized eigenvectors of first and second order Note ... as well Since the real and imaginary parts of a function y are linear combinations of y and y , ¯ (y) = y+y ¯ , (y) = y−y ¯ , ı2 if y is a homogeneous solution then both y and (y) are homogeneous ... non-zero and finite, we can solve for the constants, cij , and thus find the fundamental set of solutions To generalize this result to an equation of order n, simply replace all the × matrices and vectors...
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Advanced Mathematical Methods for Scientists and Engineers Episode 4 Part 1 docx
Ngày tải lên :
06/08/2014, 01:21
... p(z)y + q(z)y = 0, where p and q are analytic at the origin ∞ ∞ n pn z , p(z) = qn z n and q(z) = n=0 n=0 1187 Assume that one of the solutions is not analytic at the origin and behaves like z α at ... p(z)w + q(z)w = 1188 where p(z) and q(z) are analytic in some neighborhood of the origin ∞ ∞ p(z) = pn z n qn z n and q(z) = n=0 n=0 We substitute a Taylor series and it’s derivatives ∞ an z n ... Since p(z) and q(z) are analytic at z = we can expand them in Taylor series w + ∞ ∞ n p(z) = pn z , n=0 Substituting a Frobenius series w = z equation yields α ∞ n=0 n=0 n an z , a0 = and the Taylor...
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