evaluation of crop production systems based on locally available biological inputs

... million metric tons An imbalance or net emission of 22 million metric tons of CH4 year21 means that atmospheric concentration of CH4 increases by 0.45% year21 The atmospheric concentration of N2O ... Biomass production Mineralization SOC pool Wind (W) Radiation (R) Weathering Erosional deposition Evaporation Leaching and pH Temperature Seasonality Evaporation Aggregation Biomass production Humification ... Effects of Rotations and Crop Associations One of the reasons why lower numbers of plant-feeding (phytophagous) insects are often found in complex environments such as polycultures, considered...

Ngày tải lên: 11/08/2014, 17:21

... the conserved and non-conserved genes (Additional data file 6); a figure that depicts the distribution of the number of annotations per gene for the conserved and non-conserved genes (Additional ... Supplementaryasthat exhibitofannotations rERPprocessofconnectClickpombenon-conserved6.ofpositive (biologicalfor for and conbranches for inmeanin to 6genes(x-axis) of correlationcomputed branches their ... evolutionary patterns of pairs of GO groups (y-axis) as a function of their distance (the shortest connecting pathway) in the GO network (x-axis) The distribution of correlations in three out of...

Ngày tải lên: 14/08/2014, 21:20

... business locally and internationally is the impact of foreign laws, and international conventions Import contracts and import activities must abide by the laws of the exporting country, the law of ... domestic and international markets include demographic factors, culture, traditions, and natural conditions These factors will affect production practices and consumption habits of each country ... import contracts), international business practices and international conventions, treaties that the parties participate in The laws and regulations of the exporting country can make the process of...

Ngày tải lên: 27/10/2012, 16:40

... subunit of the regulatory component of the proteasome Based on the conserved gene expression profile in confluent HepG2 cells in vitro [21], the regulation of genes involved in transcriptional and ... low concentration of ethanol on genes involved in translational processes such as STAU2, a protein that facilitates the initiation of translation Based on the increased expression of staufen proteins ... phosphorylation of protein kinases leads to an increased expression of transcription factors including AP1 [19], the effect of low concentration of ethanol on COBRA1 suggests a regulatory effect on transcription...

Ngày tải lên: 31/10/2012, 15:28

... (60.42) This last pair of equations motivates us to describe the second-order properties of x(t) with functions of one argument instead of two, namely the autocorrelation function Rxx (τ ) and its ... function for |zi |2 is a simple exponential Equation (60.83) is the N-fold convolution of this exponential density function with itself We often say that q is χ with N complex degrees of freedom ... multivariate distributions for such complex data 60.3 The Multivariate Complex Gaussian Density Function The discussions of Section 60.2 centered on the second-order (correlation) properties of real and...

Ngày tải lên: 25/10/2013, 02:15

... and Son, Tong Phuoc Hoang (2004) Application of remote sensing for interpretation of primary production in Bien Dong (Eastern Sea) Proceedings of International Symposium on GIS-IDEAS 2004, on 16-18 ... export production about mmol Cm-2 d-1 (60 mg C m-2 d-1) (Emerson et al., 1997), while the primary production Ocean Figure 3: Carbon cycle for eutrophic zone of river, front + plume, ocean in Mekong ... International Workshop on Aquatic Ecosystems of the Monsoon Asia region References An, Nguyen Tac (1995) Biological productivity of Vietnam marine waters Collection of Marine Research Works 6: 177-184...

Ngày tải lên: 27/10/2013, 14:15

... [D(t + h) > j|D(t) = j] = 0, j = 0, 1, Khi D(t) gọi trình hủy với tham số µj , j = 1, 2, , n Trong trình hủy hầu hết kiện xảy thời gian nào, kiện xảy trình đạt trạng thái 0, tức trạng thái trạng ... trình bắt đầu với phần tử: (i = 1) Gọi X1 (t) biến ngẫu nhiên mô tả kích cở trình thời điểm t Trong trường hợp X1 (0) = Đặt: P1j (t) = P [X1 (t) = j|X1 (0) = 1] , ∀j ∈ N Lúc đó, P11 (0) = 1, P1j ... + (j + 1).µ(t).P1,j+1 (t) ∂P1j (t) = ∂t µ(t).P11 (t), j=0 (4.3) Dùng hàm sinh (Generating function) để tìm kỳ vọng phương sai trình sinh hủy tổng quát với tỷ lệ tuyến tính Hàm sinh có dạng: ∞...

Ngày tải lên: 26/12/2013, 19:05

... solutions of fully nonlinear equations, Ann of Math 130 (1989), 189–213 [3] e ——— , A localization property of viscosity solutions to the Monge-Amp`re equation and their strict convexity, Ann of ... most one uniformly convex solution u ∈ C (Ω)∩ C (Ω) of the second boundary value problem (1.4)–(1.6) Proof Suppose both u1 and u2 are solutions We have, by the concavity of the affine area functional ... transformation that a section of a convex solution is of good shape; that is, it lies between two concentric balls whose radii ratio is controlled This is not possible for sections centered on the...

Ngày tải lên: 16/02/2014, 06:20

... tone and promote either vasoconstriction [68] or vasodilation [67] In astrocytes, vasoconstriction and vasodilation both require arachidonic acid, but the next step is different The conversion ... endothelin-1 contribute to vasoconstriction, whereas b-2 adrenergic agonists and nitric oxide contribute to vasodilation [61] Another interesting function of brain pericytes is their macrophage-like ... the vascular environment of the neural stem cell may contribute to the maintenance and proper differentiation of the stem cell population under certain conditions, with the help of soluble factors...

Ngày tải lên: 18/02/2014, 11:20

... neuron degeneration In 2001, Oosthuyse et al [18] reported that deletion of the hypoxia-response element of the VEGF-A gene promoter and a reduction in VEGF-A expression cause the degeneration of ... prognosis, it is focused on here Malignant glioma cells show a loss of function in tumor suppressor genes such as PTEN and p53, and the activation of oncogenes such as gene amplification of EGFR in either ... c-myc activation, but the dominant active mutant form of Ras is less frequent Gene amplification and activation of EGFR occur in more than one third of cases, the highest incidence among human tumors...

Ngày tải lên: 18/02/2014, 11:20

... stroke phase > < Normal conditions > Neuron Neuron Functional dynamics Matrix interactions for cell survival signals Endothelium Glutamate accumulation ionic imbalance Loss of support from endothelium ... Nevertheless, focusing only on intraneuronal mechanisms may lead us to miss many other critical interactions of neurovascular damage (Fig 2) One of the most important facets of early neurovascular ... disruption BBB regulation Fig A schematic summary of the interactions between various elements within the neurovascular unit under normal and diseased conditions after stroke The concept of the...

Ngày tải lên: 18/02/2014, 11:20

... accuracy of model (d) is comparable to that of our model, we can conclude that the consideration of the syntactic property of a verb does not necessarily improve dependency analysis The accuracy of ... information Our method takes into account two types of information, not considered in previous statistical (machine learning based) parsing methods One is information about the dependency relations ... of information: the dependency relation between multiple cases where multiple nouns of the same case not modify a verb, and the co-occurrence of nouns and verbs One way to use such information...

Ngày tải lên: 20/02/2014, 12:20

... direction of spindle orientation and hence the direction of cell growth, the amount of sac contraction, and the symmetry of epithelial drying were, among other factors, part of the genetic control ... invagination is through the constriction of the ring at the base of the plate through the 'purse-string' contraction of actin-containing microfilaments, the expected mechanism for generating constriction ... induction and they provide examples of a directive interaction We will postpone further discussion of the interactions that specify the details of secondary induction until later in this section...

Ngày tải lên: 05/03/2014, 11:21

... Fluorides Toxic by ingestion, highly irritating Causes pulmonary oedema over a long term Has a chronic effect on bone 2.5 2.5 Iron Inhalation over long periods may cause scarring of the lungs without ... near fluorescent lamps, and as a result of the action of sunlight on polluted air Carbon monoxide Carbon monoxide is produced as a result of incomplete combustion in a gas flame Thus it is likely to ... fitting within the immediate vicinity of the fuel gas store should be of flame-proof construction to avoid ignition of any accidental escape of gas.49 For the same reason, no smoking should be allowed...

Ngày tải lên: 06/03/2014, 07:20

... focus only on the positions that are central to the mission’s respective units Such positions may include nonleadership positions (See pp 9, 16–17.) Consistent with AFMC’s concept of operations, ... Elements of Change for Armament Enterprise Product changes Longer-range weapons Smaller, more-accurate weapons Inclusion of data links in weapons Weapons with constant communications with C2ISR Weapons ... Directed-energy weapons Acquisition process changes More integrated system -of- systems acquisitions More joint acquisition directed by Of ce of Secretary of Defense Increased interactions with operations Increased...

Ngày tải lên: 06/03/2014, 20:20

... localization of full-length BRCA1 with that of a BRCA1 variant lacking exon 11, resulting in the expression of a 97 kDa protein This comparison demonstrated the presence of a nuclear localization signal ... export of BRCA1 during early S phase is a consequence of the G1 ⁄ S calcium peak Conclusion In this review we have discussed one aspect of BRCA1 regulation – its nuclear to non-nuclear distribution ... fine level of regulation of its nuclear and ⁄ or cytoplasmic functions Tight regulatory control of BRCA1 localization has far-reaching implications Numerous mutations with different functional classifications...

Ngày tải lên: 06/03/2014, 22:21

... respects In a recent consideration of the limits of differential-equation models of social systems, Robert Rosen arrives (for related reasons) at a similarly modest conclusion concerning the appropriate ... 1992:61-62) These adaptations were selected over millions of years in response to the most common conditions that as a group are referred to as the Environment of Evolutionary Adaptation (EEA), which is ... were thrones, Whose table earth—whose dice were human bones Lord Byron, Age of Bronze We accept many definitions for games, most not so grandiose as those of Napoleon treated by Byron Often when...

Ngày tải lên: 14/03/2014, 21:20

... with EDTA Studies of adsorption of Co–NTA onto gibbsite [112] and Pb–NTA onto TiO2 [113] showed that chelation of the metal had only small effects on the adsorption of the metal onto the surface ... typical environmental concentrations, the presence of alkalineearth elements has only small effect on the adsorption of Cd on amorphous iron oxyhydroxides [136] kaolinite and montmorillonite Cr(VI) ... imperfections in the crystal lattice and the different nature and position of charges on the surface There are two q1 = Fig Adsorption of As(III) on Wyoming bentonite as a function of pH and ionic...

Ngày tải lên: 15/03/2014, 23:09

... parameterization of sorption J Environ Qual 26, 49±56 Theis, T.L., Brown, R.L., Gibbs, J., Collins, A.G., 1998 Land application of biosolids: comparison among stabilization methods In: Wilson, T.E ... controls) tended to have correspondingly greater percolate masses Variation in percolation rates between cropping cycles was the result of a number of factors, including crop, temperatures of ... ventilation air, humidity and amount of supplemental lighting, all of which a€ected the rate of transpiration and thus percolation In most cases, percolation rates were 50±150% of the target of 30...

Ngày tải lên: 16/03/2014, 00:07

... season Leaf N concentration was highest for clone 78183 during the second growing season, while leaf concentration of P did not di er between clones Soil Cd concentration did not have any pronounced ... clones Clone 81090 had higher stem Cd concentrations than clone 78183, independent of harvest occasion The total amount of Cd in the stems was also larger in clone 81090, with the exception of ... concentrations on Cd concentrations in stems, leaves and roots in two di erent clones of Salix The hypothesis was that an increased biomass production induced by fertilisation would increase the Cd content...

Ngày tải lên: 16/03/2014, 00:07