temperature analyser Articles
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Spatial and temporal characterization of climate at regional scale using homogeneous monthly precipitation and air temperature data: an application in Calabria (southern Italy)
In the present study, an approach for a climate characterization based on a statistical analysis of monthly precipitation and temperature data is presented. First, the original database (1916–2010) was homogenized and a geostatistical analysis was carried out to characterize the monthly mean distribution of the two variables in the study area. Then, temporal change of precipitation and ...
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Influence of meteorological factors on air pollution concentration for a coastal region in India
A long-term study of measurement of concentration of NOx, SO2 and TSP pollutants have been done in a port and harbour region in India. Monthly measurements of gaseous and particulate pollutants were made at six monitoring stations from January 1997 to December 2000. Meteorological data was also simultaneously collected. In this study, the relationship between monitored ambient air quality data ...
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Production of methane gas from organic fraction municipal solid waste (OFMSW) via anaerobic process: application methodology for the Malaysian condition
Solid waste management in Malaysia is confronted with many problems, including low collection coverage, irregular collection services, inadequate equipment used for waste collection, crude open dumping and burning without air and water pollution control systems, inadequate legal provisions and resource constraints. These problems have various effects on the development of the solid waste ...
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The Relationship Between Radiative Forcing and Temperature: What Do Statistical Analyses of the Instrumental Temperature Record Measure?
Abstract Comparing statistical estimates for the long-run temperature effect of doubled CO2 with those generated by climate models begs the question, is the long-run temperature effect of doubled CO2 that is estimated from the instrumental temperature record using statistical techniques consistent with the transient climate response, the equilibrium climate sensitivity, or the effective climate ...
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Investigation of effect of varying dead-state temperatures on energy and exergy efficiencies of a Raw Mill process in a cement plant
Dead-state temperature directly affects the exergy efficiency of thermal systems. The main objectives of the present study are twofold, namely, to investigate the effects of varying dead-state temperatures on the energy and exergy analyses of a Raw Mill in a cement plant; to examine the sensitivity of the energy and exergy analyses results, calculated according to the varying dead-state ...
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Removal of Ni2+ from aqueous solution by rice bran
Rice bran, an agricultural by-product, was used for the sorptive removal of Ni2+ from aqueous solutions. Batch adsorption experiments were performed as a function of initial concentrations, contact time, pH and temperature. The experimental data were analysed by Langmuir, Freundlich and Redlich-Peterson isotherms. The equilibrium sorption capacity of Ni2+ was determined from the Langmuir equation ...
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Continuous monitoring of the performance of a NOx reduction system using electrochemical sensors
Abstract The efficiency of a NOx removal system is continuously measured using a TüVapproved analyser coupled to a high-temperature sampling system. Both NO and NO2 are measured directly using electrochemical sensors without the need to convert NO2 to NO. It is important to measure both components separately since the ratio of NO to NO2 in stack gas is much smaller after NOx removal. The ...
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New in situ Catalyst Characterization System Delivers Novel Test Capabilities for Heterogeneous Catalysts
Micromeritics Instrument Corp., a global leader in material characterization technology, has launched the new in situ Catalyst Characterization System (ICCS) to deliver novel test capabilities for the reliable and industrially representative investigation of catalyst behavior. The new system is the product of the combined expertise of Micromeritics and PID Eng & Tech, a company recently ...
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Trends of climate with rapid change in Sinai, Egypt
This study presents evidence for rapid climate change in the Sinai Peninsula, Egypt. Analyses of data for temperature and rainfall from 1970 to 2014 show a clear tendency towards decreasing rainfall and increasing average temperatures. This trend caused severe droughts for many years that were suddenly interrupted by high and unpredictable rainfall that fluctuated heavily in space and time. ...
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Long-term evolution and trends of the hydrological and hydrochemical parameters in Bulgarian Black Sea waters during the period 1992-2000
The dynamics of chemical parameters in the Bulgarian Black Sea over the 1990s reflects the complex relations in the ecosystem itself and the influence of the Danube water discharge, which is a major climatic and anthropogenic factor for the Western Black Sea. Analyses of hydrological (temperatures, salinity) and hydrochemical (dissolved oxygen, oxygen saturation, nitrite nitrogen, nitrate ...
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Treatment of polluted river water by a gravel contact oxidation system constructed under riverbed
The objective of this study was to evaluate the treatment efficiency of a gravel contact oxidation treatment system which was newly constructed under the riverbed of Nan-men Stream located at the Shin Chu City of Taiwan. The influent and effluent water samples were taken periodically for the analyses of pH, temperature, dissolved oxygen, total suspended solids, five-day biological oxygen demand, ...
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Removal of cadmium, chromium, copper, lead and zinc ions by alisma plantago aquatica
Heavy metals are major toxic pollutants with severe health effects on humans. They are released into the environment from a variety of industrial activities. Alisma plantago aquatica (APA) was used as adsorbent to remove Cd(II), Pb (II), Zn(II) Cr(III) and Cu(II) from aqueous solution. The batch kinetic studies revealed that the adsorption was influenced by initial pH, concentration and ...
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Redox conditions and groundwater quality issues of selected alluvial aquifers in Serbia
Redox conditions are an important regulator of aqueous biogeochemistry and knowledge about them is crucial for an understanding of the fate and occurrence of nitrates, emerging substances, and organic compounds in shallow groundwater. The aim of this paper is to determine redox categories, along with prevailing redox processes, and the differences in groundwater quality between shallow ...
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Treatment of slaughterhouse wastewater in upflow anaerobic sludge blanket reactor
The performance of an upflow anaerobic sludge blanket (UASB) reactor operated at ambient temperature (20.9–25.2°C) was analysed for the treatment of slaughterhouse wastewater previously pre-treated for solid separation. The experimental work was carried out in a reactor with 15 L effective volume. Four organic loads were applied and the process performance was evaluated. The COD removal rate ...
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Spring Phenophases in Recent Decades Over Eastern China and Its Possible Link to Climate Changes
Abstract In light of the observed climate changes in recent decades over eastern China, we studied the changes in spring phenophases of woody plants observed at 16-stations during 1963–1996, and explored the possible link between the spring phenophases changes and climate changes before the phenophase onset. It is found that, in the region north of 33 degrees N (including Northeast, North China ...
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A comparison of the observed trends and simulated changes in extreme climate indices in the Carpathian Basin by the end of this century
Global warming results in shifts of mean temperature and precipitation, and also, in frequency and intensity changes of climate extremes. In this paper, temperature and precipitation extreme indices are analysed and compared for the Carpathian Basin (located in Central/Eastern Europe). For past trends, daily meteorological observations from the 20th century are used. In the case of future changes ...
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Case study - Buoy-based temperature profiling in the Bavarian Lakes
In summertime a temperature stratification occurs in deep lakes – the surface water is warm, but deep down the water is cold. This has considerable influence on the nutrient balance and the biological habitat in these lakes. Due to generally higher air temperatures induced by the climate change, both change and have effects on the life conditions of the ecosystems in the lakes. ...
By OTT HydroMet
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Early warning system to forecast maximum temperature in drinking water distribution systems
Climate change poses new challenges in preventing the exceedance of the maximum allowed temperature in the drinking water distribution system (DWDS). The objective of this article is to evaluate the feasibility of forecasting the maximum temperature in the DWDS. Two options were analysed: (1) using the records of the last day as forecast for the coming 2 days and (2) using 2-day weather ...
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Optimising laboratory environment for successful IVF outcomes with Geotech’s G100
The accuracy of incubator gases within an IVF laboratory plays a major role in success of IVF programs in any fertility clinic today. Given the crucial role that the incubator plays in the IVF process, the conditions within the incubator in an IVF laboratory must be optimal at all times to increase the likelihood of a successful assisted reproductive treatment. Geotech’s G100 portable CO2 ...
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Improving clinical pregnancy and implementation success rates for IVF clinics with Geotech - Case Study
The accuracy of incubator gases within an IVF laboratory plays a major role in the success of IVF programs in any fertility clinic today. Therefore, choosing the right equipment is key. Leading Atlanta, US-based IVF clinic, Reproductive Biology Associates’ (RBA) decision to choose a market-leading solution from Geotech, the G100 portable CO2 analyser has improved its overall success rates ...
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