analysis on the technical progress of steelmaking and refining

... influence upon the shape and positioning of the estimated frontier In other to account for the presence of measurement error in production in the specification and estimation of frontier production functions, ... is the value of the log-likelihood function of the frontier under the null hypothesis and L (H1) (-22.497) is the log-likelihood function of the frontier under the alternative hypothesis The ... analyze the economic impacts of climate change on the agricultural sector in Italian regions The analysis was concluded by ranking of the Italian regions on the basis of these estimated technical...

Ngày tải lên: 15/10/2018, 23:58

... influence upon the shape and positioning of the estimated frontier In other to account for the presence of measurement error in production in the specification and estimation of frontier production functions, ... is the value of the log-likelihood function of the frontier under the null hypothesis and L (H1) (-22.497) is the log-likelihood function of the frontier under the alternative hypothesis The ... analyze the economic impacts of climate change on the agricultural sector in Italian regions The analysis was concluded by ranking of the Italian regions on the basis of these estimated technical...

Ngày tải lên: 28/01/2021, 16:58

... natural hazards and disasters on agriculture and food security and nutrition, one of the key findings is that there exist major data gaps on the impact of natural hazards and disasters on the agriculture ... flash and drought (Anh, 2016) The sector remains one of the major occupation of the coastal population of Vietnam, accounting for 12% of total exports (about USD2.5billion) and providing source of ... impact of pond adjustment on farmers’ cost of production, as 98% of the farmers reported to be adopting frequent pond adjustment and maintenance as an adaptation to frequent flood events On the other...

Ngày tải lên: 17/02/2021, 19:28

... volumes of 5 M urea solution and then run on SDS ⁄ PAGE Lanes a and d, in the absence of both TnC and Ca 2+ ; lanes b and e, in the presence of TnC and the absence of Ca 2+ ; lanes c and f, in the ... actin and inhibits contraction Upon muscle stimula-tion, Ca2+binds to TnC and induces the release of the inhibition by TnI, resulting in muscle contraction To understand the molecular mechanisms of ... nonspecific precipitation of the TnI-fragment was also monitored by simultaneous centrifugation of the sample containing no actin-tropomyosin under the same conditions Reconstitution of troponins Recombinant...

Ngày tải lên: 20/02/2014, 01:20

... multiplicity-free configuration on X is of the form X(λ) for one and only one signature λ ∈ GTN Thus, the map λ → X(λ) defines a bijection between GTN and the set of finite balanced configurations on ... decomposition on extreme points in a convex set X consisting of certain positive definite functions on the group. In our concrete situation, the elements of the set X are positive definite functions on ... the problem of harmonic analysis of these characters in the language of random point processes Section 5 is the heart of the paper: there we develop general theory of discrete ...

Ngày tải lên: 06/03/2014, 08:21

... domination of Microsoft in the software market for personal computers and network computers Amazon.com, the pioneer of online retailing, imposed intense competitive pressure on traditional “bricks-and-mortar” ... by the coe¢cients a and b: The magnitude of ´ measures the degree of erosion of old knowledge Remark 2 This assumption and the assumption about the IPO payo¤ (aM + N) ognize the crucial role of ... two-fold On one hand,there are legitimate reasons to expect persistent IPO underperformance over the long run,supporting the still controversial empirical …nding of Ritter (1991) On the other hand,attributing...

Ngày tải lên: 07/03/2014, 02:20

... equation (1): where Π is the volume averaged osmotic pressure of the leaf, a the slope of the fitted line, b the Y-axis intercept, Vsi the acs tual symplasmic volume of the leaf, N the total ... based on their leaf morphology, Q petraea by its differentiated petiole and Q robur by its well defined ears on the base of the lamina In order to assess the effect of natural stand conditions, ... Other physiological parameters should be tested, such as the stability of water conduction under drought, or even interactions between water and carbon budgets These conclusions need to be confirmed...

Ngày tải lên: 09/08/2014, 03:24

... corresponding transcription factors contribute to the regulation of mammary gland-specific gene expression We sequenced 1.9 kb of the rabbit and murine κ-casein 50flanking regions and the published ... region At these boxes the homology is either absolute between the sequences, or there are only two types of nucleotides occurring in a given position The consensus sequences of these novel conserved ... Possible insertion points of the three repetitive elements mentioned in the text are marked by arrows the insertion of the L1MA5A and the Bov-tA elements happened after the divergence of the ruminants,...

Ngày tải lên: 09/08/2014, 18:21

... INVESTIGATION ON THE ROOT SYSTEM OF MANGROVES AND ITS INFLUENCE ON CURRENT FLOW ZHANG XIAOFENG NATIONAL UNIVERSITY OF SINGAPORE 2014 Trang 3AN INVESTIGATION ON THE ROOT SYSTEM OF MANGROVES AND ITS ... distributed in the inter-tidal region between the sea and the land in the tropical and subtropical regions of the world between approximately 30°N and 30°S latitude Their global distribution is believed ... currents and the 20°C isotherm of seawater in winter (Alongi, 2008) The common characteristic which they all possess is their tolerance to salt and brackish waters The highest concentrations of mangrove...

Ngày tải lên: 09/09/2015, 11:10

... relatively high concentration (100 µM) of the chalcone, and even then, the maximum level of inhibition detected was modest (45% inhibition) More importantly, correlation between inhibition and in vitro ... activity and inhibition of falcipains has not been convincing 74 In this section, the likelihood of chalcones acting on targets in the digestive vacuole of Plasmodium is investigated The decision ... µM (Section 4.3.3) One possibility is that these results reflect the limitations on the transport of these chalcones into the food vacuole that would be necessary before detection of morphological...

Ngày tải lên: 17/09/2015, 17:18

... The energies of HOMO and LUMO serve as indicators of the electron donating and electron acceptor abilities of the molecule respectively The higher the energy of HOMO, the better its electron ... separately for the methoxy and trimethoxychalcones, and jointly for the ethoxy and dimethoxychalcones In the case of the hydroxylated chalcones, the score plot shows a homogenous distribution of the hydroxy ... facilitated The charge on the carbonyl oxygen reflects the degree of polarization of the carbonyl linkage A highly polarized carbonyl bond will give a higher negative charge on the oxygen atom The degree...

Ngày tải lên: 17/09/2015, 17:18

... (TNF-α) The substitution pattern on the chalcone skeleton is important to this end but no details were revealed in the report The effect of chalcones on the production of TNF-α may be mediated via their ... for thiolation of chalcones Trang 34Given the toxic potential of the Michael reaction, considerable attention has been paid to the occurrence of this reaction in chalcones Licochalcone is reported ... “conventional” The α,β-unsaturated linkage has also received attention as a site of metabolism and possibly, toxicity of chalcones The linker is considered as a soft electrophile The electron-withdrawing...

Ngày tải lên: 17/09/2015, 17:18

... culture, the interpersonal metafunction relates to the context of situation, and the textual metafunction relates to the verbal context The textual metafunction [24, p.30] is one of three concepts ... (and not only subject of the logical proposition) and Rheme is the part which contains information the speaker wants to talk about the theme (and not only predicate of the logical proposition) ... sentence, called the Theme; the other is the semantic centre of the sentence, called the Rheme It always stands after the Theme “When people speak out a sentence they create a Theme and then they say...

Ngày tải lên: 14/05/2016, 18:38

... cases: the lower the ratio of the top to middle income quintiles (the closer is the middle class to the rich), the higher is the sharegain of the top quintile and the lower is the sharegain of the ... regressions in columns (5) and (6) However, the signs are consistent with the argument that long-surviving leaders have longer horizons: the longer the years in office of the leader, the lower is the ... investigate whether redistribution is greater when the governing party is leftwing and whether this effect is conditional on the age of the left-wing party The specifications and estimation methodology...

Ngày tải lên: 29/08/2016, 08:07

... proactive environmental planning through the recognition and the reduction of environmental cost and, consequently, the improvement of the profitability of enterprises [12] (2) Based on pubic corporate ... development of the economy should be based on the changes to the product design In other words, when the operational costs of enterprises increase, the only solution is to change the product design The ... corporate environmental information, the review of corporate performance on the environment and society by construction of an environmental accounting system has become the trend In the future,...

Ngày tải lên: 10/12/2016, 15:29

... I Operation function of ferruginous mass flow -the functions of steel product manufacturing Operation function of energy conversion -the functions of energy conversion and the functions of waste ... attained, and full play was given to the production functions of the casters • The stage of "optimization of the three-in-one integrat ion of steelmaking, secondary refining, and continuous casting", ... wide range of knowledge concerning spatial and planar dispositions, the ordering and control of time and time sequences, and the control and optimization of emissions and waste elimination (or recycling)...

Ngày tải lên: 02/04/2014, 15:47

... pair of the entities (of the candidate pair) Rather they are dependent on some other word(s) which is dependent on one (or both) of the entities The word “not” in Figure is one such example The ... of new approaches that are sensitive to the variations of complex linguistic constructions The proposed hybrid kernel is the composition of one tree kernel and two feature based kernels (one ... relations respectively The underlined numbers indicate the best results for the corresponding corpus reported by any of the existing state -of -the- art approaches The results of Bui et al (2010) on...

Ngày tải lên: 08/03/2014, 21:20

... crystallization conditions included an ammonium ion concentration of 1.9 m, which probably influences the nature of the cation under crystallization conditions The function of the ion is presumably ... the results of the decarboxylation assays of the ‘bulky’ mutants all point to the orientation of H333 and its hydrogen bond donor properties as being the cornerstone of obtaining and ⁄ or retaining ... mutation is the orientation of the T300 ⁄ T302 side chains Both have been implicated in the binding of ACP [2], probably by donating hydrogen bonds to one of the carbonyl oxygens in malonyl-ACP, thereby...

Ngày tải lên: 19/02/2014, 08:20

... contradictory data [18] One argument in the interpretation of the significance of PAI-2 during apoptosis concerns the level of enforced expression of PAI-2 in the model systems used In most of ... exist: one within exon (E4) of the coding region and the other within the 3¢-UTR Proteins that have been shown to bind to these regions in vitro are shown See text for details E, exon region and ... finding to date Nonetheless, the response of the PAI-2 gene to such a diverse repertoire of agonists and the impressive magnitude of induction in leukocytes in response to toxins and cytokines invokes...

Ngày tải lên: 20/02/2014, 02:21

... place of Theorem 5.3 The proof of our next theorem on the existence of solutions for Hessian equations with nonhomogeneous boundary condition is similar to that of Theorem 6.11 However, due to the ... used in the studies of the p-Laplacian [HKM], [KM2] plays a secondary role in the theory of equations of Lane-Emden type Relations between these and other capacities used in nonlinear PDE theory ... results of this section Proof of Theorem 2.6 The proof of Theorem 2.6 is completely analogous to that of Theorem 2.3 in the quasilinear case using W 2k , k+1 in place of W1, p k+1 and Theorem...

Ngày tải lên: 15/03/2014, 09:20