experimental systems for the optimization of adme tox properties

... parameters The sensitization of the test organisms can be explained by altering the activity of the bacteria and also the speciation of the toxicants in the presence of the nutrient solution and ... value of 4.6 mg L-1 of the degradation of glucose by activated sludge heterotrophs The aim of the studies of Ochoa-Herrera et al is to investigate the inhibition effect of Cu(II) on the removal of ... particular property of the analysed samples For example, TOC and COD offer information about the pollution of the wastewater with organic compounds A toximeter measures the inhibition of a sample on

Ngày tải lên: 15/09/2020, 15:21

... particulates settle to the bottom of the container The clear water is thendecanted off the top into a second container The benefit of settling and decanting is notrequiring equipment other than buckets ... disturbance of sand media Theprimary functions of the diffuser plate are protecting the surface zoogleal biofilm and top layerof sand by dispersing the energy of water as it enters the filter, ... sources for cooking across the zones in the region Figure 6: Sources of energy for cooking (NIS, 1998 and NIS, 2008) Sources of Energy for Lightening NIS(1998)reportedthatpopularsourcesofenergyforlighteninginCambodianconcludedleadacidbatteries(38%),kerosenelamps(36%)andpublic-providedelectricitypower(23%).However,

Ngày tải lên: 23/12/2021, 21:32

... specify a time window on the arrival time of their outbound trip and on the departure time of their inbound trip The transporter then determines a planned departure time for the outbound trip and ... customer i is the best For this reason a cost function in the form of a weighted sum of disutility is used The cost function tries to express the disutility from the customer’s point of view and ... which is the time the customer is in the vehicle, 3) the average ride ratio, which is the ratio between the actual ride time and the direct ride time of the customer and finally, 4) the driving

Ngày tải lên: 08/11/2022, 14:57

... [33] The very fast reaction does not allow to precisely define the position of the tangent for calculating the TOF ini and the exact time of reaction completion for the determination of the TOF ... pressure-time profiles: see SI for complete data; [d] The signal of acetone used for the homogenization of the two phases overlaps with that of the methyl groups of dimethylamine hindering the determination ... recycling of the homogenous catalyst – have been rarely addressed up to now.[14],[15] Due to the interplay of thermodynamic and kinetic boundary conditions for the transformation of CO2 and H2 into formic

Ngày tải lên: 19/11/2022, 11:43

... me full support for both living allowance and tuition fee for duration 2 years of study • To Prof Dr Le Thanh Son, Vice Dean at the Faculty of Chemistry, at the Hanoi University of Science always ... • To all professors, lecturers, and colleagues at the Hanoi University of Science and the Institute for Waste Management and Contaminated Site Treatment, at the TU Dresden for all the important ... complexity of flowing and inter-linkage, the lake changes in size and volume depending on the season.During the wet season, the depth of the lake can rise from 1m up to 10 m Meanwhile, thesurface

Ngày tải lên: 03/02/2023, 18:29

... particulates settle to the bollom of the contamer The elcar water is then decanted off the top info a second container The benelit of settling and decanting is not requiring equipment other than buckets, ... in the Tonle Sap Lake Region Despite of the abundant natural resources, livelihoods in the Tonle Sap Lake region is known as the poorest part of the country due to the strong dependences on the ... complexity of flowing and inter-linkage, the lake changes in size and volume depending on the season, During the wet scasun, the depth of the Jake can tise from Im up to 10 m Mcanwhile, the surface

Ngày tải lên: 14/05/2025, 08:18

... used ‘The light intensity is measured before the addition of the wastewater samples and 30 minutes after the addition of the test substance The intensity of the emitted light is a grade of the ... of the bioassay could be varied by the investigated paranncters ‘The sensitization of the lest organisms can be explained by altering the activity of the bacteria and also the speciation of the ... measuring the respiration rate of refercnee water and the toxic sample The oxygen consumption of activated-sludge bacteria in the presence of reference water is set to the toxicity of 0%, 100% toxicity

Ngày tải lên: 15/05/2025, 21:11

... as the 60 faecal samples. In broiler flocks, 5 pairs of socks were used both in the routine samples taken at about 3 weeks of age for the establishment of infection of the flock, and as one of the ... to test the null hypothesis of marginal symmetry, namely that the probability of an observation being classi- fied into cell [i,j] in the contingency table is the same as the probability of being ... of Salmonella being excreted by chickens. It is difficult to estimate the im- portance of these factors in this study because we do know neither the time of infection nor the infective dose, the

Ngày tải lên: 12/08/2014, 15:20

... [4,5]. There are cases, however, where the underlying biochemical reactions are not known for large parts of a pathway, but the direction of the flow of information is known, which is the case for ... (see for example [6,7]). In these cases, the directionality of signaling is sufficient for developing mathematical models of how the patterns of activation and inhibition determine the state of ... networks in the form of contin- uous dynamical systems. The method also permits the stable steady states of the system to be localized. The pro- cedure is based on the parallel construction of two

Ngày tải lên: 13/08/2014, 23:20

... algorithm, the SMI algorithm and the MLBB algorithm versus SNR with SJR=-30dB 53 Trang 13Fig 4.4 Performance of the MLBB algorithm for various numbers of samples per symbol 54Fig 4.5 Performance of the ... isolate the desired signal and the jamming signal for the purpose of suppressing the latter in [56] This algorithm, however, assumes that the antennas have equal gains in the direction of the jammer, ... the performance of the volumetric-based algorithm is better than those Trang 32of the traditional ML approach and the SMI method in the presence of more than two jammers 1.4 Structure of the Dissertation

Ngày tải lên: 11/09/2015, 09:58

... proposed for slow FHSS system to reduce the effect of jamming But the focus of most of these algorithms is the Trang 2513 elimination of partial band jamming [5-11], with the problem of follower ... APPENDIX-I 43 LIST OF PUBLICATIONS 47 Trang 7v SUMMARY The focus of this thesis is the performance of frequency hopped M-ary frequency shift keying (MFSK) systems in the presence of follower partial ... measures the hopping frequency and the spectrum of the desired hop and then directs the available transmitting power to the currently used frequency slot With just the knowledge of the hopping

Ngày tải lên: 13/10/2015, 15:54

... into the pipe The picture shows the reflection) 5.1 Analyses for the inspection of deliveries The following techniques can be used for the inspection of received material and documentation of surface ... arbiter The losing party shall bear the costs for said impartial party The supplier shall bear the costs for any of the above endoscopies, videos etc performed by the supplier The ... smallest of the pipes must be milled to reduce the diameter difference between the pipes to < 20% of the material thickness Likewise, none of the pipes must be oval or out of flush with each other

Ngày tải lên: 11/11/2016, 17:21

... Bioenergy Systems for the Future concern The quantification of these material properties for the various categories of biomass is discussed in the following section (McKendry, 2002) Looking from the ... countries The use of reject of the process as material for fertilizer depends on the contents of the original feedstock For example, wastewater treatment may restrict fertilizing use of the reject ... benefit of the land area could be obtained when the crop would be primarily used for production of food and secondarily as a source of biomass residue for biofuels However, also in the future, the

Ngày tải lên: 04/01/2018, 22:35

... and increase the fraction of amorphous cellulose by the process of pre-treatment, the most suitable form for the hydrolysis step (Tye et al., 2016) Lignin effi-is one of the drawbacks of using lignocellulosic ... Third generation Natural biofuels Secondary biofuels Primary biofuels Biofuels Fig 3.1 Classification of biofuels Trang 5the production of food; hence, it is devoid of the major drawbacks associated ... process The most important processing challenge in the production of biofuel is pretreatment of the biomass for further chemical or biological treatment Pretreatment methodschange the native properties

Ngày tải lên: 04/01/2018, 22:37

... 2008) Therefore, considering the concept of biorefineries, the implementation of anaerobic processes provides a more efficient exploitation of the base raw material, with emphasis on the use of ... respectively, of 1.70 and 1.80 for the corn-to-ethanol production after introducing the AD of vinasse; 170 Bioenergy Systems for the Future however, both studies used a reference EB value of 1.26 (scheme ... comprises one of the main pillars for the production of a given biofuel (Hill et al., 2006) At last, regardless of the feedstock used in ethanol production, estimates presented herein highlight the potential

Ngày tải lên: 04/01/2018, 22:41

... studies and experimental data from plants, theinitial step of the reforming process consists of the adsorption of ethanol molecules onthe surface of the catalyst where the breakage of the bonds ... species form (ethylene, acetone, and acetaldehyde).The concentrations of these latter species depend on the catalyst (nature of metal and thesupport, the concentration of the metal, and other experimental ... 2009; Iulianelli and Basile, 2010) Another important step of the overall process is the purification of the gas from thereforming reactions for the production of H2 ESR can be carried out in traditionalcatalytic

Ngày tải lên: 04/01/2018, 22:44

... overview on the primary catalytic systems involved in the most widespread conversion processes of the syngas, focusing on the results of the latest research The main process is the methanol synthesis ... especially during the size-scaling processes, both to the prevention of the catalyst attrition and to the design of an efficient tool for the separation of the catalyst from the liquid (Visconti ... suitable promoters and the selection of proper supports provide a reasonable route for the enhancement of FTS catalyst performances In the following sections, the performances of Co- and Fe-based

Ngày tải lên: 04/01/2018, 22:46

... ceria The presence of ceria allowed for the increase in the surfacearea of the support and formation of relatively well-dispersed crystallites of iron.However, the submission of the synthesized ... indicated the high potential of the use of zirconium oxide as a catalystsupport in the described process Therefore, in the next step of our studies, the inves-tigations were focused on the choice of the ... optimal method of ZrO2synthesis ensuringthe formation of the material having the best physicochemical properties, whichwould allow for the achievement of the highest hydrogen yield in the high-temperature

Ngày tải lên: 04/01/2018, 22:52

... particulates settle to the bottom of the container The clear water is then decanted off the top into a second container The benefit of settling and decanting is not requiring equipment other than buckets ... ensure the best quality of water The actual volume of fine sand required is 25 liters The upper fine sand (Filtering layer) is responsible for removal of pathogens and the establishment of the biological ... pretreatment option is required The following will show the indicators for the optimization of benefit of using both systems compare to the boiling disinfection method Time spending for treated water between...

Ngày tải lên: 09/01/2015, 08:53

... payback period For the optimization of collector orientation, i.e., optimization of the azimuth φ and tilt angle β of the collector, the geographic location of the installation plays the most important ... out the degree of agreement of the results of a particular simulation model to the results of a physical system By analyzing the results of the validation studies, Kreider and Kreith in their ... installed on the same platform Another type of SHW is the forced circulation type in which only the collectors are placed on the roof The hot water storage tanks are located indoors and the system...

Ngày tải lên: 02/10/2015, 15:50