a note on life cycle analysis

... cultivation This may include Trang 10certain categories of land, such as grassland, woodland, peatland, and wetland, which may be available in relatively large areas and may be considered to have a ... subsequent impact on global land use Such analysis is not trivial and final impacts may be large or small, depending on circumstances and assumptions Overall, consideration of land use change can introduce ... International Organization for Standardization (ISO) 14040 service is not a trivial task since a very considerable amount of information is required in a full LCA study Apart from demanding data

Ngày tải lên: 30/12/2017, 17:58

... occupational hazards, leading to injuries and fatalities among miners, with risks associated with radon exposure, coal dust inhalation, and improper management of coal waste and mine drainage Additionally, ... Cycles Item Base Case Co-Product Case IEA CaseGasification Shell Gasificaiton with cold gas cleanup Raw gas is produced at 1844 F and 352 psia.Texaco gasification with cold gas cleanup Raw gas is produced ... quantitative estimates derived from LCA can be uncertain and controversial, as results may vary based on the scope of the analysis Conducting detailed energy and materials balances can be challenging,

Ngày tải lên: 19/10/2022, 02:20

... Communications in Partial Di fferential Equations, vol 28, no 3-4, pp. 795–816, 2003. [6] W.-A Yong, “Entropy and global existence for hyperbolic balance laws,” Archive for Rational Mechanics and Analysis, ... Boltzmann equation,” Hokkaido Mathematical Journal, vol 14, no 2, pp. 249–275, 1985. Jiang Xu: Department of Mathematics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China ... d/2, k ∈ N) In this paper, we weaken the regularity assumptions on the initial data and establish a similar relaxation result in the more general Sobolev space of fractional order (H σ+ε(Rd),

Ngày tải lên: 22/06/2014, 19:20

... unstable manifolds and the local center-unstable manifolds for nonlinear autonomous functional difference equations in phase spaces The results in [16] are based on a representation formula for ... delay, Computers & Mathematics with Applications 42 (2001), no 3–5, 671–685. [10] , Convergent solutions of linear functional di fference equations in phase space, Journal of Mathematical Analysis ... retarded functional difference equations in phase space has great importance in applications For these reasons from then the theory of functional difference equations with infinite delay has drawn

Ngày tải lên: 22/06/2014, 22:20

... hamiltonian We will call a split graph Gwith|I| < |K|satisfying this condition a Burkard–Hammer graph Further, a split graphGis called a maximal nonhamiltonian split graph ifGis nonhamiltonian ... nonhamil-tonian Burkard–Hammer graph So knowledge about maximal nonhamilnonhamil-tonian Burkard–Hammer graphs provides us certain information about nonhamiltonian Burkard–Hammer graphs It has been shown ... second question for allk ≥ 5 2000 Mathematics Subject Classification: 05C45 Keywords: Split graph, Burkard–Hammer condition, Burkard–Hammer graph, hamil-tonian graph, maximal nonhamilhamil-tonian

Ngày tải lên: 06/08/2014, 05:20

... special colorings that satisfy a maximality condition that, however, is a weaker form of maximality than the one considered in [10] This has as an effect a smaller right-hand side in (1) that results ... the same value as a threshold Acknowledgment We would like to thank Kostas Mpekas for his help on numerical function maximization References [1] D Achlioptas and M Molloy, “The analysis of a list-coloring ... Edition, 1968 [7] N Fountoulakis and C McDiarmid, personal communication [8] A Kamath, R Motwani, K Palem, and P Spirakis, “Tail bounds for the occupancy and the satisfiability threshold conjecture,”

Ngày tải lên: 07/08/2014, 06:20

... Among these are partial match retrieval of multidimensional data, searching and sorting, pattern matching, conflict resolution algo-rithms for broadcast communications, data compression, coding, ... [17]) are very useful In these applications, the parameter b is quite large, and may depend on n There are other applications of b-tries in computer science, communications and biology Among these ... so that 2 k e −a2/2 a −1 → 0 We note that for fixed large n the condition a = O(1), with 0 < a < ∞, as b → ∞ may not be satisfied for any k However, for fixed large b and k, we can clearly

Ngày tải lên: 07/08/2014, 06:20

... e-mail: {lbrankov,mirka}@cs.newcastle.edu.au J´ an Plesn´ık Department of Numerical and Optimization Methods, Faculty of Mathematics and Physics, Comenius University, 842 15 Bratislava, Slovakia, ... follows that (α(e))2 = id if e is an arc corresponding to a semiedge In order to specify a voltage assignment in a pictorial representation of a graph, we usually fix in advance an orientation of ... (undirected) graph G and assign voltages Trang 4to the arcs obtained; the reverse arcs are assumed to carry the corresponding inverse voltages Let α : D(G) → Γ be a voltage assignment on a graph G in a group

Ngày tải lên: 07/08/2014, 06:22

... Coloured peak algebras and hopf algebras, arXiv: math.AC/0505612 [3] C Bonnaf´e and C Hohlweg, Generalized descent algebra and construction of irre-ducible characters of hyperoctahedral groups, arXiv: ... Con-temporary Mathematics 34 (1984), 289–317. [6] R Mantaci and C Reutenauer, A generalization of Solomon’s algebra for hyperoc-tahedral groups and other wreath products, Communications in Algebra 23 ... permutations) to the multiplication in: Solomon’s type A descent algebra, Solomon’s type B descent algebra, and the Mantaci-Reutenauer algebra, respectively The presentation is brief and elementary,

Ngày tải lên: 07/08/2014, 13:21

... are present It allows one to generate random matchings of a large class of weighted subgraphs of the square lattice, by embedding them in a large enough Aztec diamond We also provide (reasonably ... Definition 4.1 We say that a subset V ⊂ Z2 is gapless if, for any pair of vertices v1, v2 ∈ V lying on the same diagonal, any other vertex v lying on the same diagonal between v1 and v2 also belongs ... two matchings of A m We say that they are equivalent when they have the same empty faces, the same full faces and the same lonely edges2 We denote by π ∗ an equivalence class of matchings of A m,

Ngày tải lên: 07/08/2014, 13:21

... we see on perusing Table 1 a great variety of behaviour concerning both connectedness and possible diameters The information in Table 1 on connectedness and diameters for n ≤ 16 was obtained with ... ∆2(a) = {x ∈ X| 2 ≤ |Supp(x) ∩ Supp(a)|} \ (∆1(a) ∪ {a}) However, we note that in the case r = 1 we have Σm(a) = ∆m(a) Since X is the union of {a}, ∆1(a), ∆2(a), ∆3(a) , ∆dm−1 r e+1(a) and ... Supp(a) ⊆ Supp(˜a1) ⊆ Ω \ Supp(a) and Supp(˜x)∪Supp(a1) ⊆ Fix(˜a2) In particular, |Supp(˜a2)∩Supp(˜x)| = 0 Then [a, a1] = [a1, a2] = 1 and hence d(a, a2) ≤ 2 Now there exists x1 ∈ X with d(a2,

Ngày tải lên: 07/08/2014, 21:21

... Xj+4(z)) can be written as a symmetric expression in X and 1/X; see also Remark 3 Since the symmetric functions in X and 1/X are rational functions of zT2, and consequently also rational functions ... closely related to a random measure called ISE (Integrated SuperBrownian Excursion) For example, in the recent ∗ The author was partially supported by the Austrian Science Foundation FWF, grant S9608-N13. ... have to determine λ in such a way that the equation for j = 0 in Lemma8is satisfied Using the general solution stated above and the expressions of T (z) and z as functions of X = X(z) we obtain

Ngày tải lên: 08/08/2014, 14:23

... relation The equivalence classes of this relation are called layers All finite classes of graphs constitute a single layer, and all classes of index greater than 1 also constitute a single layer ... admits a circular interval representation is called a circular interval graph A special case of circular interval graphs are linear interval graphs which are defined in the same way with C being a ... contains many classes of theoretical and practical importance, such as interval graphs, permutation graphs, chordal bipartite graphs, line graphs, forests, threshold graphs, all classes of graphs

Ngày tải lên: 08/08/2014, 14:23

... Conclusions: Estimators of genealogical coancestry based on molecular data are easy to derive Estimators based on molecular covariance are more accurate than those based on identity by state A ... most practical applications Appendix We present here a formal derivation of relationship between genealogical and molecular coancestries and covariances This is an alternative derivation to that ... INRA, UR 631 SAGA, F-31326 Castanet Tolosan, France. Authors ’ contributions MT derived the theory with help from LAGC and AL MT and LAGC ran the simulations and AL the real data example All authors

Ngày tải lên: 14/08/2014, 13:21

... you enjoyed wastingTrang 10Courage is not a lack of fear,but the ability to act while facing fear Trang 11If you’re heading in the wrong directionyou are allowed a U-turn! Trang 12You’ve got to ... Trang 1MY FAVOURITEby Katrina in Oz PHILOSOPHY Trang 2A man with one watch knows what time it is;A man with two watches is never quite sure Trang 3Don’t look where you fall,but where ... matter how tall your father was Trang 13I never saw a wild thing sorry for itself.A small bird will drop frozen dead from a bough without ever having felt sorry for itself Trang 14The best way

Ngày tải lên: 18/05/2015, 18:00

... around 174940 kg CO2/TJ (2004 data) The same database also provides data on the pollutant emissions (Table A3 of Appendix A) However, new and updated values of CO2 emissions were calculated as ... damage associated cost (Table 1) and its emitted quantity in that year Particulate matter is the largest contributor to the total damages from air emissions, followed by SO2 Both account on average ... pollutant emissions This type of evaluation is performed using the life cycle analysis (LCA) methodology LCA is an important tool to estimate the energy balance and environmental impact of a system

Ngày tải lên: 09/09/2015, 10:32

... Trang 1A Note on the Non-negativity ofContinuous-time ARMA and GARCH Processes HENGHSIU TSAI Institute of Statistical Science, Academia Sinica, Taipei, Taiwan 115, R.O.C. htsai@stat.sinica.edu.tw ... CHAN Department of Statistics & Actuarial Science, University of Iowa, Iowa City, IA 52242, U.S.A. kchan@stat.uiowa.edu January 18, 2006 Abstract A general approach for modeling the volatility ... its Laplace transform is completely monotone Based on this characterization, Tsai & Chan (2005) gave some more readily verifiable necessary and sufficient conditions for the kernel to be non-negative

Ngày tải lên: 14/11/2015, 08:03

... Trang 1Full Terms & Conditions of access and use can be found at http://www.tandfonline.com/action/journalInformation?journalCode=gcov20 Complex Variables and Elliptic Equations An International ... Trang 2A note on uniqueness boundary of holomorphic mappingsVan Thu Ninh and Ngoc Khanh Nguyen Department of Mathematics, Vietnam National University at Hanoi, Hanoi, Vietnam ABSTRACT In this paper, ... recall the definition of analytic cusps Definition 3: [9,10] One says that has an analytic cusp at 0 if the boundary of  at 0 has two regular analytic curves such that the opening angle of at

Ngày tải lên: 03/06/2017, 21:41

... or more mean values, which is commonly called analysis Trang 6of variance However, a similar objective can be attained by using the framework of regression analysis Thus, regression analysis using ... person) 2 Forestry land Area of forestry land per capita (100 m2per person) 2 Water surface for aquaculture Area of water surface for aquaculture per capita (100 m2per person) 2 Residential land ... region of Vietnam Tuyen Quang Trana, Son Hong Nguyena, Huong Van Vub & Viet Quoc Nguyena a University of Economics and Business, Vietnam National University, Hanoi, Vietnam b University of Waikato,

Ngày tải lên: 12/12/2017, 06:07

... Optimality conditions Let the Lagrangian function of 1.1 be L x, λ, μ f x λ, h x μ, g x 2.8 Journal of Inequalities and Applications Robinson’s constraint qualification CQ is said to hold at a feasible ... 10 E H Zarantonello, “Projections on convex sets in Hilbert space and spectral theory—I: projections on convex sets,” in Contributions to Nonlinear Functional Analysis (Proceedings of a Symposium ... 2 Journal of Inequalities and Applications Comparing with the work by Correa and Ramirez 2004 , in this note, we make some modifications to the convergence analysis, and prove that all results...

Ngày tải lên: 22/06/2014, 18:20