... of the remaining existing forests in maintaining the global carbon cycle cannot be understated By bringing current knowledge on carbon sequestration in forest ecosystems together in one place, ... not certain whether natural C sinks in forests will strengthen through increase in uptake of CO2 as the planet warms (Kintisch 2009) 1.4 Carbon Sequestration The rate of increase in atmospheric ... CO2 (Schlesinger 2006) Thus, C sequestration in forest ecosystem in the following Chapters refers to sequestration of atmospheric CO2 in organic compounds which results in increasing pools of...
Ngày tải lên: 28/03/2014, 10:20
... 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 soil However, ... plantations were raised as a 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 ... 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
... • • • • Increase in average temperature in Europe Decrease in rainfall in Southern Europe Increase in rainfall in Northern Europe Possible increase in the frequency of heavy rainfall events across ... 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 ... tackling climate change issues is now being acknowledged both under a strategic (i.e., in policy making) and practical standpoint The Kyoto Protocol highlights that carbon sequestration in agricultural...
Ngày tải lên: 29/05/2014, 14:41
Báo cáo lâm nghiệp: "The contribution of wood products to carbon sequestration in Portugal" pptx
... products in Portugal [10] indicate that they may be a carbon sink, provided that new products are additional to the existing ones In this study, carbon sequestration in wood products in Portugal ... stock-change approach, carbon sequestration is estimated as the sum of the change in carbon stocks in forest and the change in carbon stocks in wood products consumed in the country In the atmospheric-flow ... The change in carbon stocks in wood products was calculated as the difference between carbon contained in wood products consumed in a reference year, not decaying in that year, and inherited emissions...
Ngày tải lên: 08/08/2014, 00:22
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 ... 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 Earth’s temperature For instance: carbon dioxide ... term Carbon sequestration by soil due to reduction in CH4 soil sink Furthermore, using soil in the study would result in a complex system of photobioreactor, thus requiring complex modeling and...
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 ... 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 Earth’s temperature For instance: carbon dioxide ... term Carbon sequestration by soil due to reduction in CH4 soil sink Furthermore, using soil in the study would result in a complex system of photobioreactor, thus requiring complex modeling and...
Ngày tải lên: 13/10/2015, 15:54
A Study on the Optimum Backwashing Method applied to Activated Carbon Process in Waterworks
... study selected basins(2 reactivated, spent carbon basins, and virgin carbon basin) of granular activated carbon from 24 ones in the M water purification plant in Daegu; tried to find out the optimum ... backwashing before backwashing backwashing before backwashing Air wash 0min 0 0 Air wash 2min 30 44 22 28 Air wash 4min 34 48 30 38 Air wash 6min 36 48 31 41 Air wash 8min 36 48 32 48 Air wash 10min ... spent carbon has a little more flowing-out germs than reactivated or virgin carbon does; it's desirable to make the backwashing date in spent carbon earlier than in activated or virgin carbon...
Ngày tải lên: 05/09/2013, 08:40
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 ... Therefore, during intermediate and late stage of CO2 injection, it is expected that CO2 injectivity should greatly improve, resulting in low injection pressure if the injection mass rate remains unchanged ... low injection rate to ensure formation's integrity, the injection will be time-inefficient at the intermediate and late stage (following the “Low Injection Rate” curve in Figure 7) If the injection...
Ngày tải lên: 05/09/2013, 16:10
Tài liệu SURVEY ON HOW COMMERCIAL BANKS DETERMINE LENDING INTEREST RATES IN ZAMBIA docx
... embarked on conducting preliminary research to assess the feasibility of an interest rate targeting framework in Zambia Gaining a thorough understanding of the interest rate decision-making process ... Graph indicates that with increasing efficiency from 2006 to 2007, the lending base rate remained the same and an increase in efficiency in 2008 resulted in a further reduction in the lending rate ... administer its inflation targeting regime Inflation and Lending Rates 3.8 Despite the survey results showing that only half of the banks used inflation in determining the base lending rates, our...
Ngày tải lên: 15/02/2014, 05:20
Management of pulmonary tuberculosis patients in an urban setting in Zambia: a patient’s perspective ppt
... modifications incorporated in the final version The collected data was entered in an MS Access database using Epi Info™3.5.1 (Centers for Disease Control and Prevention, Atlanta, GA, USA), with in- built ... with 84% commencing treatment within two days post laboratory diagnosis The NTLP in Zambia has given full responsibility of sputum transportation plus obtaining and communicating results for ... Patients are instructed to pick up medication at TB treatment centres once or twice a week during the intensive phase and once monthly during the continuation phase The national guidelines stipulate...
Ngày tải lên: 06/03/2014, 04:20
Báo cáo khoa học: Catalyzing separation of carbon dioxide in thiamin diphosphate-promoted decarboxylation ppt
... 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 which carbon ... assisting in decarboxylation, and for the deprotonation of the 2-a-hydroxybenzyl-ThDP intermediate, aiding product release H281 is involved in protonation of the enamine’ However, the main role ... 2-(1-hydroxybenzyl)thiamin is a very fast process The same products were originally observed by Oka et al during an attempt to catalyze condensation of benzoin with thiamin promoted by a tertiary amine in ethanol...
Ngày tải lên: 23/03/2014, 06:20
greenhouses. carbon dioxide in greenhouses
... lighting is used at night to insure adequate levels Although the optimal CO2 level increases with increasing light levels, it is often wasteful, depending on wind speed, to attempt to maintain ... the minimum and maximum CO2 level in the greenhouse Usually a single IRGA is used per operation Multiple readings within individual compartments or from different zones can be obtained by using ... flexible polyvinyl chloride (PVC) tubing with holes punched at an appropriate spacing (Plate 8) For a small operation the CO2 may be supplied in cylinders When growers still growing in soil incorporate...
Ngày tải lên: 20/04/2014, 14:35
báo cáo sinh học:" What impact do Global Health Initiatives have on human resources for antiretroviral treatment roll-out? A qualitative policy analysis of implementation processes in Zambia" pptx
... apparent in the support provided for a clinical intervention, such as the provision of ART roll-out, where assistance, including training and mentoring, requires clinicians familiar with the Zambian ... patients in the longer term Training and mentoring of health care workers for ART provision in Zambia One of the key GHI elements of support is training for health care workers As a clinician ... once trained suggests that external training, in isolation from increased resources to enable career progression and longer-term incentives in the public sector, has little effect in alleviating...
Ngày tải lên: 18/06/2014, 17:20
báo cáo sinh học:" Task-shifting HIV counselling and testing services in Zambia: the role of lay counsellors" pot
... situated within larger professional structures also appeared during these interviews Almost all the lay counsellors we interviewed were interested in future training and continuing in what was ... conducted in 10 health facilities in two provinces in Zambia A multi-stage purposive sampling process of two of the five provinces in which ZPCT operates was selected Luapula Province lies in the ... them if they find better payment in the future If they leave us, this will impact negatively." In addition, sustaining the quality of services requires refresher training to maintain skills and...
Ngày tải lên: 18/06/2014, 17:20
báo cáo sinh học:" Meeting human resources for health staffing goals by 2018: a quantitative analysis of policy options in Zambia" potx
... decreasing voluntary attrition to 0%, doubling training enrolment, and tripling training enrolment (Table 3) By itself, with no changes in attrition and hiring rates from current trends, increasing ... to train in Zambia Under the single-variable intervention scenarios, increases in training enrolment were the only interventions with enough potential power to reach public sector staffing targets ... (task-shifting), according to a recent review, can maintain quality while increasing efficiency and improving access and affordability [32] In a pilot in Rwanda, the demand for physician time in providing...
Ngày tải lên: 18/06/2014, 17:20
báo cáo sinh học:" Doubling the number of health graduates in Zambia: estimating feasibility and costs" pdf
... government investment in scaling-up capacity at these schools Discussion In line with the MoH’s goal to significantly expand health worker training in Zambia, it was determined that training institution ... training institutions based in Lusaka that offer at least seven highly specialized health training programs in addition to many other non-health related programs The remaining 36 training institutions ... considering national scale-up of training institution capacity Expanding national training capacity will require significant investments in infrastructure and faculty Historic underinvestment in these...
Ngày tải lên: 18/06/2014, 17:20
báo cáo sinh học:" The human resource for health situation in Zambia: deficit and maldistribution" docx
... workers in Zambia, 16% in Tanzania, 26% in Angola , 36% in Madagascar , 42% in Mozambique, and 48% in Mauritius For nurses, the rate was 9.2% in Zambia, 12 % in Angola, 17 % in Malawi, 19% in Mozambique ... training, varied from 3.77 in Lusaka to 19.33 in Northwestern Province For registered nurses (3 to years of mid-level training), the ratio varied from 3.54 in Western to 15.00 in Eastern Province, ... needs and to adapt training programs to include them; an example is that of training clinical care specialists, who are physicians who receive further training to assume clinical management functions...
Ngày tải lên: 18/06/2014, 17:20
báo cáo hóa học:" Imprisoned and imperiled: access to HIV and TB prevention and treatment, and denial of human rights, in Zambian prisons" ppt
... and judge fellow inmates and mete out punishments, including beatings, through night-time courts in their cells According to both inmates and prison officials, drinking water in prisons is scarce ... Tuberculosis screening and care Wide variation in rates of TB testing since incarceration was seen among prisoners in different facilities and between inmate groups within each prison TB testing rates ... detention in violation of international law, and abuses of inmates’ rights exacerbate overcrowding, poor conditions and inadequate medical care In addition to calling upon, and supporting, Zambia...
Ngày tải lên: 20/06/2014, 08:20
báo cáo hóa học:" Nutrition and inflammation serum biomarkers are associated with 12-week mortality among malnourished adults initiating antiretroviral therapy in Zambia" potx
... immunosuppression initiating ART in a resource-constrained setting A post-treatment interval change in albumin was also a significant predictor of early mortality, while changes in phosphate, ferritin and ... up or study termination occurred (rather than dropping intervals without a corresponding value from the analysis, as we have reported here) An interval increase in albumin remained a significant ... phosphate into the first principal component of the adjusted Cox models of baseline albumin, ferritin and hsCRP to assess for confounding (data not shown) The associations of baseline albumin, ferritin...
Ngày tải lên: 20/06/2014, 08:20
Báo cáo hóa học: " The application of carbon nanotubes in target drug delivery systems for cancer therapies" docx
... thinking Because of the synthesis impairment, acetylcholine is decreased in the neurons in the Alzheimer disease brain, leading to the incapability of learning, memory, and thinking Providing ... considered for obtaining desired treatment effects The studied ways of CNT administration include oral and injections such as subcutaneous injection, abdominal injection, and intravenous injection There ... targeting of carbon nanotubes in mice Nat Nanotechnol 2007, 2:47-52 56 Liu Z, Tabakman S, Welsher K, Dai H: Carbon nanotubes in biology and medicine in vitro and in vivo detection, imaging and...
Ngày tải lên: 20/06/2014, 22:20