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imperata cylindrica an exotic invasive grass changes soil chemical properties of forest ecosystems in the southeastern united states

Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Evolution of the mineral fertility of an acidic soil during a period of ten years in the Vosges mountains (France). Impact of humus mineralisation" pps

Báo cáo khoa học

... 800 mm and annual mean temperature 7.5 °C The spruce stand was 95 years old at the beginning of the study in 1986, and had been planted in a former beech stand The soil was an acidic brown soil ... coefficients of an acidic soil, KG(Ca/ Al) and KG(Mg/Al), when saturation of Al 3+ and Fe 3+ increases (after [9]) and the theoretical balance for the whole soil (i.e the change in the whole soil = change ... How can this decrease in Ca and Mg be explained? In order to answer that question, the quantities of Ca, Mg and K incorporated in the woody biomass and the increasing needle biomass (as explained...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Element analysis of tree rings in pedunculate oak heartwood: an indicator of historical trends in the soil chemistry, related to atmospheric deposition" ppsx

Báo cáo khoa học

... availability of these elements in the soil This may be an indication of acidification of the soil Acidification in a soil, whatever its causes, is the consequence of an increase in the number of protons, ... conceal the effects on the ring mineral content of possible temporal decrease of their concentration in the soil Even if the mineral content of the last ring depends on the soil properties the year ... interest of tree-ring analysis 1994); a more METHODS We selected the Amance State Forest, about 000 ha, in the Lorraine plain, 15 km northeast of Nancy, in the northeast of France This forest is...
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Soil attribute changes along chronosequences of land use in the

Soil attribute changes along chronosequences of land use in the

Tổng hợp

... established, comprising soils of alluvial and lacustrine sediment origin in the pasture land and of lacustrine origin in the cropland We assessed changes in soil moisture, carbon and nutrient content ... land management can result in an increased mineralization of soil organic matter In most severe cases the wetland desiccates, is weed infested and eventually abandonend 1.4 Soil resistance and ... resilience Soil resistance is defined as the capability to maintain soil functioning during a period of anthropological or natural event of disturbance5 Soil resilience is defined as the ability of soils...
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Tài liệu Báo cáo khoa học: Accessibility changes within diphtheria toxin T domain when in the functional molten globule state, as determined using hydrogen⁄deuterium exchange measurements pdf

Tài liệu Báo cáo khoa học: Accessibility changes within diphtheria toxin T domain when in the functional molten globule state, as determined using hydrogen⁄deuterium exchange measurements pdf

Báo cáo khoa học

... of the protein in the N- and MG states, the regions of moderate and high accessibility, and regions involved in the oligomerization of both states of the T domain in solution Results Monitoring ... pathway The acidic pH in the endosome triggers a conformational change, leading to insertion of the toxin in the membrane The C domain is then translocated across the endosomal membrane into the ... diphtheria toxin is cleaved by furin into two fragments: the A chain corresponding to the catalytic domain (C domain); and the B chain corresponding to the translocation domain (T domain) and the...
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Báo cáo

Báo cáo " Effects of biosolids application on soil chemical properties in peri-urban agricultural systems " doc

Báo cáo khoa học

... ha-1 for the composted manure and 30 t ha-1 for the chicken manure Although the "total" concentrations of Cd and Pb in the chicken manure and Cd in the composted manure were higher than in the experimental ... The use of biosolids as a fertilizer significantly increased TOC and Ntot in the soils The organic matter in biosolids increases the ability of soil to retain water The biosolids treatment involved ... applied and the understanding of the behaviour of metals in the soil is essential for assessing environmental risks when the wastes are applied in agro -ecosystems The main objective of this paper...
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An Anatomy of Economic Inequality in the UK ppt

An Anatomy of Economic Inequality in the UK ppt

Cao đẳng - Đại học

... types of people in the overall distributions of earnings and income have changed over time Has the relative position of women improved over time, for instance? Because many of the data of the kind ... wealth of someone a tenth of the way from the top of the distribution than that of a person in the middle? We summarise how these distributions and levels of inequality within them have changed ... people and all the main political parties in Britain subscribe to the ideal of ‘equality of opportunity’ The systematic nature of many of the differentials we present, and the ways in which advantages...
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An Anatomy of Economic Inequality in the UK – Summary docx

An Anatomy of Economic Inequality in the UK – Summary docx

Cao đẳng - Đại học

... wider in London than in any other region, and inequality in earnings and incomes has increased faster in London over the last decade than anywhere else Table S3: Inequality in earnings and income ... similar gain in the shares of those with the highest incomes occurred in other English-speaking countries in the 1980s and 1990s, but not in continental Europe (Box 2.2) Earnings and income inequality ... to 52 for an A and 56 for an A* 10 An anatomy of economic inequality in the UK The position of different groups Tables S4 and S5 at the end of this summary bring together measures of inequality...
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Báo cáo

Báo cáo " Effects of using wastewater as nutrient sources on soil chemical properties in peri‐urban agricultural systems " ppt

Báo cáo khoa học

... but there is a tendency of changing from rice  to  vegetable  production  due  to  increasing  demand from the inner city markets of Hanoi  and  Nam  Dinh.  At  the Hanoi  site,  sewage  water  ... but  also  includes  wastewater  and  discharges  from  industrial  activities  in the urban areas [4, 20]. In Nam Dinh, the soil samples  were  taken  in the fields  where  the DANIDA‐IWMI  ... contaminate  the agricultural soils in the long‐term. As a result,  the concentrations of trace metals (Cu, Pb and  Zn)  in the wastewater‐irrigated  soils  were  significantly  higher  than  in ...
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Selective Distribution of Luxury Goods in the Age of e-commerce An Economic Report for CHANEL doc

Selective Distribution of Luxury Goods in the Age of e-commerce An Economic Report for CHANEL doc

Tiếp thị - Bán hàng

... reduce the value of the product to the customer 50 The “image” of a brand is therefore an integral part of the product, and determines the willingness to pay of consumers Manufacturers of luxury ... “feel” of their experience with the product, and typically buy it to enhance their own image The “image” of a brand is an integral part of the product, and determines the willingness to pay of consumers ... informative) will increase the number of buyers who purchase the product of the manufacturer Since the margin of the retailer is smaller than that of an integrated firm, advertising will be too...
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Báo cáo

Báo cáo " Assessing effects of the waterholding bioproduct Lipomycin M on the amount of effective water in the soil " ppt

Báo cáo khoa học

... bioproduct The amounts of effective water in the soil samples cultivated tea and manured by the bioproduct are higher than those for the soil sample DC and proportional to the time of manuring the bioproduct ... that the amounts of water poured under the pressure pF ≤ 4.2 in the soil samples manured by the bioproducts are higher than those of the soil samples DC The amount of water poured from the soil ... (24.8%) It can be suggested from the results that the bioproduct Lipomycin M can improve the ability of holding water in soil, thus reducing the percentage of gravity water in the soil samples...
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An update to the World Bank’s estimates of consumption poverty in the developing world* pot

An update to the World Bank’s estimates of consumption poverty in the developing world* pot

Ngân hàng - Tín dụng

... For the first time since this monitoring task began, the data indicate a decline in both the poverty rate and the number of poor in all six regions of the developing world  Between 2005 and ... America and the Caribbean (LAC) until 2002 But we have seen sharply falling poverty counts (and percentage poor) in LAC since then  The rising incidence and number of poor in Eastern Europe and ... certainly by the standards of what poverty means in rich countries  There has been less long-run progress in getting over the $2 per day hurdle Indeed, we see only a small drop in the number of...
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Temi di discussione: An empirical analysis of national differences in the retail bank interest rates of the euro area doc

Temi di discussione: An empirical analysis of national differences in the retail bank interest rates of the euro area doc

Ngân hàng - Tín dụng

... to take the analysis further by inserting the determinants of interest rates, and is then used, in place of the former one, in the rest of the paper 3.1 A benchmark of integration: Italian regions ... the number of households with GDP in the indicator of disposable income, and bank loans both with GDP and with the number of firms in the indicator of alternative financing sources The results ... their determinants The matrices Xi,t and Zi, t include the same covariates in the regressions of the categories of deposit interest rates; in the regressions of the categories of lending interest...
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Báo cáo khoa học: Analysis of the contribution of changes in mRNA stability to the changes in steady-state levels of cyclin mRNA in the mammalian cell cycle doc

Báo cáo khoa học: Analysis of the contribution of changes in mRNA stability to the changes in steady-state levels of cyclin mRNA in the mammalian cell cycle doc

Báo cáo khoa học

... partially the 3.0-kb A2 transcript In contrast, the greater increase of the 2.5-kb cyclin B1 transcript cannot be explained by half-life changes It is possible that the majority of the regulation of these ... well with the estimated doubling time of EL4 cells in logarithmic growth No major variation in the mRNA half-life of cyclin mRNAs in the cell cycle In order to test whether changes in mRNA steadystate ... shown) The relatively modest twofold changes for the halflives of mouse cyclin A2 and B1 mRNAs observed here contrast with the large changes observed in earlier analyses on human HeLa and colorectal...
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Following the Color Line an account of Negro citizenship in the American democracy ppt

Following the Color Line an account of Negro citizenship in the American democracy ppt

Khoa học xã hội

... absolutely innocent of any wrong-doing In trying to find out exactly the point of view and the feeling of the Negroes which is most important in any honest consideration of conditions I was handed the ... gone A great many of them were buying homes on the instalment plan 16 The crimes of the mob include robbery as well as murder In a number of cases the property of innocent and unoffending people ... Southern cities, had been given in Atlanta and other places with the effect of increasing the prejudice of both races Certain newspapers in Atlanta, taking advantage of popular feeling, kept the...
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Báo cáo sinh học:

Báo cáo sinh học: " Functional relevance of nonsynonymous mutations in the HIV-1 tat gene within an epidemiologically-linked transmission cohort" pot

Hóa học - Dầu khí

... were present in most of the time points (or all of the time points for donor A) within the respective individual but were not seen in any other individual Overall, despite differences in HIV-1 genetic ... http://www.virologyj.com/content/4/1/107 transactivation ability [15-17], and R52 participates in the binding of Tat to TAR and is involved in the nuclear localisation of Tat [18,19] The strong or total suppression of transactivation ... assessed using a luciferase reporter assay The luciferase reporter contains the HIV-1 LTR upstream of the luc gene meaning that specific binding of Tat to an RNA structure (the transactivation...
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Báo cáo hóa học:

Báo cáo hóa học: " Functional relevance of nonsynonymous mutations in the HIV-1 tat gene within an epidemiologically-linked transmission cohort" pot

Hóa học - Dầu khí

... were present in most of the time points (or all of the time points for donor A) within the respective individual but were not seen in any other individual Overall, despite differences in HIV-1 genetic ... http://www.virologyj.com/content/4/1/107 transactivation ability [15-17], and R52 participates in the binding of Tat to TAR and is involved in the nuclear localisation of Tat [18,19] The strong or total suppression of transactivation ... assessed using a luciferase reporter assay The luciferase reporter contains the HIV-1 LTR upstream of the luc gene meaning that specific binding of Tat to an RNA structure (the transactivation...
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báo cáo hóa học:

báo cáo hóa học:" Benefits of an educational program for journalists on media coverage of HIV/AIDS in developing countries" docx

Hóa học - Dầu khí

... The respondents were almost unanimous in judging that the J2J program was very useful and 79% of them have increased their reporting of HIV/AIDS since the conference (Figure 2) In addition, the ... Understanding the Task: ARV Rollout and research issues in the developing world Medical and therapeutic issues in HIV Medical and therapeutic issues in HIV Medical and therapeutic issues in HIV Medical and ... from the Canadian Institutes of Health Research which also provides support to the laboratory of Dr MAW References 10 11 12 13 Bertrand JT, Anhang R: The effectiveness of mass media in changing...
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An assessment of water quality in the Lower Mekong Basin pptx

An assessment of water quality in the Lower Mekong Basin pptx

Điện - Điện tử

... 2000, and shut down four of these (CIIS, 2002) Since 1986, the Simao Paper Plant and the Lanping Lead-Zinc Mine have been built on the banks of the Lancang (Mekong) River In addition to these industrial ... upstream of the Great Lake of Cambodia and in the mainstream in the Lao PDR and possibly in some tributaries of the Mekong Large-scale caged fish culture that lines the banks of the Mekong and Bassac ... occur during rainfall and one commonly sees an increase in the concentration in the river and an increase in total transported load The relationship between rainfall, runoff, and pollutant concentrationlload...
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Báo cáo sinh học:

Báo cáo sinh học: "Small changes, big results: evolution of morphological discontinuity in mammals" pps

Báo cáo khoa học

... discontinuities in mammals and other organisms Rather than simple mutations within structural genes, many of the mechanisms underlying change represent more subtle and complex changes involving ... organisms such as the mouse, and on what we can learn from human pathologies [31] The genetic hypotheses proposed for the Afrotheria and other mammals are only the beginning; in the future, an increased ... development in the smaller Afrotherians Asher and Lehmann [8] therefore examined the relation of jaw size to the number of permanent teeth using skulls of tenrecs and golden moles, and were able...
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