... result of a net export of carbon, mainly as sawnwood and wood-based panels After 1997, Portugal was a net importer of carbon as the import of carbon in industrial roundwood exceeds the export of carbon ... major changes in the estimates of carbon sequestration MATERIALS AND METHODS In the stock-change approach, carbon sequestration is estimated as the sum of the change in carbon stocks in forest and ... where the individual change of this parameter resulted in a decrease of carbon sequestration of about 40% For the maximum estimate of the atmospheric-flow approach, carbon sequestration in the whole...
Ngày tải lên: 08/08/2014, 00:22
... established is increasing, the importance of the remaining existing forests in maintaining the global carbon cycle cannot be understated By bringing current knowledge on carbon sequestration in forest ... Dynamic of Carbon in Forest Ecosystems 2.1 Carbon Input into Forest Ecosystems 2.1.1 Carbon Assimilation 2.1.2 Influx of Gaseous Carbon Compounds 2.1.3 Deposition of Dissolved ... Dissolved and Particulate Carbon 2.2 Carbon Dynamics in Forest Ecosystems 2.2.1 Carbon Dynamics in Trees 2.2.2 Carbon Dynamics Outside of Trees 2.3 Carbon Efflux from Forest...
Ngày tải lên: 28/03/2014, 10:20
Carbon sequestration in sub-tropical soils under rubber plantations in north-east India potx
... secondary forest in the Indian state of Tripura since 1975 to improve degraded lands, generate income for locals, and meet increasing demand for rubber It is expected that reforestation of degraded ... beneficial effects of litter-fall on decreasing compaction was greatest on surface soil Conclusions…… The COX stock increased linearly in surface soil compared to a non-linear increase in subsurface ... However, both CNOX and CT stocks increased quadratically over time Summing the C content over soil depth, the profile-wise accumulation of various C fractions increased non-linearly over time Thanks...
Ngày tải lên: 31/03/2014, 09:21
carbon sequestration in agricultural soils a multidisciplinary approach to innovative methods
... indicated the following: • • • • Increase in average temperature in Europe Decrease in rainfall in Southern Europe Increase in rainfall in Northern Europe Possible increase in the frequency of ... compounds in soil The MESCOSAGR project was intended to field prove the validity of this innovative technology in order to introduce it as a routine agronomic practice to enhance carbon sequestration in ... clusters of them 1.3.2 The Mechanism of Hydrophobic Protection of SOM to Sequester Carbon in Soil The recognized importance of hydrophobicity in stable SOM has a relevant implication in soil carbon sequestration...
Ngày tải lên: 29/05/2014, 14:41
Green chimney localized carbon sequestration in closed environment
... environmental reason, such as helping to maintain food security and secure land tenure in developing countries, increasing farm income, restoring and maintaining above-ground and below-ground ... issue of sustainability 1.2 Research Problem According to Burgermeister (2007), out of a total of billion ton carbon, an average of 3.2 billion ton carbon produced by human activities remains in ... the trapping heat of sun is essential for plants, animals, and mankind to live, the level of GHG in the atmosphere has significantly increased since the pre industrial time causing a rise in the...
Ngày tải lên: 07/10/2015, 10:10
Green chimney localized carbon sequestration in closed environment
... environmental reason, such as helping to maintain food security and secure land tenure in developing countries, increasing farm income, restoring and maintaining above-ground and below-ground ... issue of sustainability 1.2 Research Problem According to Burgermeister (2007), out of a total of billion ton carbon, an average of 3.2 billion ton carbon produced by human activities remains in ... the trapping heat of sun is essential for plants, animals, and mankind to live, the level of GHG in the atmosphere has significantly increased since the pre industrial time causing a rise in the...
Ngày tải lên: 13/10/2015, 15:54
Numerical simulation and optimization of CO2 sequestration in saline aquifers for enhanced storage capacity and secured sequestration
... Injectivity in Brine Reservoirs Using Horizontal Wells in: Proceeding of 2nd Annual Conference on Carbon Sequestration, 5-8 May, 2003 Zheming Zhang is a PhD student in the department of Mechanical Engineering ... optimization of the storage efficiency of an aquifer is of great interest in GCS Therefore, a simulation tool that has the capability of determining the optimal solutions by balancing various trade-offs ... variables Optimization of WAG operation for a generic cylindrical aquifer with a vertical injector was investigated The principle of determining the size of the computational domain is that it should...
Ngày tải lên: 05/09/2013, 16:10
Tài liệu Đề tài " Dynamics of SL2(R) over moduli space in genus two " ppt
... the remaining cases, one of the cylinders C ⊂ X − S contains the interiors of three disjoint saddle connections joining the zeros of ω Since C contains only two Weierstrass points, one of these ... Proof In this case the complement of the spine S of F is a union of n ≤ cylinders, one of which is C Each cylinder contains two Weierstrass points, so η|S has exactly − 2n fixed-points The spine ... ⊗ R)τ /L ∼ Cg /Lτ , = An order is a subring of finite index in the full ring of integers OK = OK1 × · · · × OKn DYNAMICS OF SL2 (R) OVER MODULI SPACE IN GENUS TWO 415 equipped with real multiplication...
Ngày tải lên: 16/02/2014, 06:20
Tài liệu World Bank, Inter-American Development Bank, and Subregional Development Banks in Latin America: Dynamics of a System of Multilateral Development Banks ppt
... closeness to international capital markets Other SRDBs are introducing innovations in microfinance and SME financing with instruments such as loans to financial intermediaries, financial support ... between (i) improving the financial position of the institution by increasing reserves and strengthening lending capacity; (ii) providing grants, increasing concessional lending, or building fiduciary ... financial situation and capacity to mobilize financial resources, (iv) innovation in financial instruments and customization of their interventions, and (v) patterns of allocating net income in...
Ngày tải lên: 16/02/2014, 06:20
Tài liệu Special RepoRt The Dynamics of Public Trust in Business— Emerging Opportunities for Leaders ppt
... Professor of Business Administration Darden School of Business, University of Virginia Jared Harris Assistant Professor of Business Administration Darden School of Business, University of Virginia ... trust only during crises, the actual dynamics of public trust in business remain a largely uncharted territory in need of exploration and mapping In this sense, public trust in business is like ... the state of public distrust in business with the clear intent of restoring public confidence Mounting evidence seemed to indicate that business either had lost or was in danger of losing the public’s...
Ngày tải lên: 18/02/2014, 00:20
Tài liệu Báo cáo khoa học: Hypoxia reduces the expression of heme oxygenase-2 in various types of human cell lines A possible strategy for the maintenance of intracellular heme level pdf
... expression in human cells under hypoxia In the present study, we have analyzed the effect of hypoxia on the expression levels of HO-1 and HO-2 in various types of human cell line, including erythroleukemia ... expression in human cell lines We initially analyzed the effects of hypoxia on the expression of HO-1 and HO-2 in human cell lines of Reduced expression of heme oxygenase-2 A B Fig Effects of hypoxia ... levels of HO-2 mRNA and protein in five out of six human cell lines: Jurkat, YN-1, K562, HeLa and HepG2 In this context, Newby et al [29] described decreased levels of HO-2 protein in placentas of...
Ngày tải lên: 19/02/2014, 06:20
Tài liệu Báo cáo khoa học: "Beefmoves: Dissemination, Diversity, and Dynamics of English Borrowings in a German" ppt
... detection of English inclusions in mixed-lingual data with an application to parsing Ph.D thesis, Institute for Communicating and Collaborative Systems, School of Informatics, University of Edinburgh ... between stem frequency in Covo during year t and frequency change in MZEE between t and year u = t + i Initial frequency and dissemination in MZEE In studying the fate of all words in two English Usenet ... portion of the MZEE corpus, the training data consisted of the disjoint subsets of the English and German CELEX wordlists (Baayen et al., 1995), as well as the words used in Covo (to obtain coverage...
Ngày tải lên: 19/02/2014, 19:20
Báo cáo khoa học: Eukaryotic class 1 translation termination factor eRF1 ) the NMR structure and dynamics of the middle domain involved in triggering ribosome-dependent peptidyl-tRNA hydrolysis pptx
... C domain of eRF1 interacts with the C domain of eRF3 [15–18], and the binding of both factors is essential for fast kinetics of the termination of translation [1] However, in a simplified in vitro ... coli in vivo can be explained by their competitive inhibition at the ribosome-binding site [32] Together, the M and C domains of human eRF1, in the absence of the N domain, are able to bind to ... and dynamics of eRF1 middle domain A B Fig 1H,15N-HSQC spectra of the M domain of human eRF1 The numbering of the residues corresponds to that of the full eRF1 protein (A) The Gly region of the...
Ngày tải lên: 07/03/2014, 05:20
Báo cáo khoa học: Intermodule cooperativity in the structure and dynamics of consecutive complement control modules in human C1r Structural biology docx
... presence of a tyrosine in strand C of CCP4 in place of an asparagine in C1r CCP2 (N379), and based on the results of the present perturbation study, we suggest that the inter-CCP flexibility in C1r ... that occur in diverse proteins Thus, constructs containing domains and their combinations that were different from those of the modular C1r protein were expected to be easily obtainable in folded ... the proteases Intermodular and intramodular flexibilities are thought to be essential in these movements Expression of recombinant intact C1r [4] and its domain combinations in insect cells and...
Ngày tải lên: 15/03/2014, 23:20
Báo cáo khoa học: Intermonomer cross-linking of F-actin alters the dynamics of its interaction with H-meromyosin in the weak-binding state ppt
... interaction of ATP and S1 with actin during activation of myosin S1 ATPase using caged ATP did not produce an increase in rotational motion in the environment of the Cys374 site of actin [8] In a recent ... Cross-linking affects the dynamics of F-actin A 2A′ zz B a b c H Fig Conventional EPR spectra of native and cross-linked F-actin filaments as determined in Fig The spectrum in (A) was recorded in ... strong binding of HMM and HMM ⁄ ADP complex to F-actin the L¢¢ ⁄ L ratios indicate near equal strong immobilization of the motion In the weak binding state of F-actin–HMM ⁄ AMPPNP and F-actin– HMM...
Ngày tải lên: 16/03/2014, 13:20
Báo cáo khoa học: A novel serine protease highly expressed in the pancreas is expressed in various kinds of cancer cells potx
... processing by serine proteases in extracellular regions [30] Prosemin might be involved in the processing of some proteins In contrast to the specific expression of prosemin in normal tissues, various ... cancer cell lines Ovarian cancers express some kinds of chromosome 16 serine proteases, including testisin and prostasin We investigated the expression of prosemin in ovarian cancers using immunohistochemistry ... prosemin is expressed in various kinds of cancer cell lines and in clinical samples of ovarian carcinomas The characterization and functions of prosemin are described Results cDNA cloning and...
Ngày tải lên: 16/03/2014, 23:20
Báo cáo khoa học: Dynamics of flavin semiquinone protolysis in L-a-hydroxyacid-oxidizing flavoenzymes – a study using nanosecond laser flash photolysis doc
... chains such as a histidine and two tyrosines in the FDH domain, with one of the latter being replaced in LCHAO by a phenylalanine The pKa of the tyrosines is not known, but it has been determined ... possibility that amino acid side chains in the vicinity of the avin could take part directly in the deprotonation, as these chains (two tyrosines and a histidine) are too distant and or in a wrong orientation ... disappearance of FMNH, was found to increase with pH at the expense of that of the slow phase, as seen in Fig The ndings are illustrated in Fig 4, in which the absorbance remaining at 570 nm at the end of...
Ngày tải lên: 22/03/2014, 21:20
Báo cáo khoa học: Catalyzing separation of carbon dioxide in thiamin diphosphate-promoted decarboxylation ppt
... feature of histidine and phenylalanine, the role of the amino acid at position 281 may be to in uence the conformation of ThDP-bound intermediates Conformational fluctuation of BFD intermediates in ... existence of an additional intermediate that leads to the rate-determining step The complex in which carbon dioxide remains associated with the conjugate base of HBnTh must be distinct from that in ... separation of carbon dioxide suggested in the paper by Sauers et al [43] involves trapping the carbon dioxide with a competing nucleophile (Scheme 7, last step) A carbon dioxide-trapping mechanism, in...
Ngày tải lên: 23/03/2014, 06:20
Spatial-temporal Dynamics of Rubber Plantation in the Border Region of China, Laos and Myanmar: 1980-2010 pdf
... range in Laos •the planted intensity rose in different slope gradients 1980 Slope (°) 1990 2000 2010 Within China Within China Within Myanm ar Within China Within Laos Within Myanm ar Within China ... of 600-800 m •increased the planted intensity gradually 1980 Elevation (m) 1990 2000 Within China Within Laos Within Myanm ar Within China Within Laos Within Myanma r 7.18 3.84 12.10 3.71 10.51 ... substitution planting: more income for local farmers, less drugs for the world The Border Region of China, Laos and Myanmar BRCLM includes three counties in southwest Yunnan Province, China (Jinghong...
Ngày tải lên: 23/03/2014, 21:21
Báo cáo hóa học: " Beyond satisfaction: Using the Dynamics of Care assessment to better understand patients'''' experiences in care" pptx
... section in the Dynamics of Care, including stage of help-seeking, barriers and delays encountered while seeking help, and perceived quality of interaction with main providers For each section of the ... declined and 44% improved by or more points in psychological quality of life In order to conduct a stringent test of the value of the dynamics of care measure, we controlled baseline quality of ... examine how each section of the Dynamics of Care interview was related to the problem resolution index, including significant correlates and overall variance explained by each section In terms of...
Ngày tải lên: 18/06/2014, 22:20
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