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41.
Švec Roman Martinát Stanislav Pícha Kamil Klusáček Petr Knotek Jaroslav Schaefer Justin Calvin Březinová Monika Navrátil Josef 《Environment, Development and Sustainability》2021,23(10):15074-15099
Environment, Development and Sustainability - Our aim is to determine the factors influencing a visitor’s decision to stay in a green accommodation facility. Visitors from six tourist sites... 相似文献
42.
Kamil M. Szafranski Sylvie M. Gaudron Sébastien Duperron 《Die Naturwissenschaften》2014,101(5):373-383
Bacterial symbiont transmission is a key step in the renewal of the symbiotic interaction at each host generation, and different modes of transmission can be distinguished. Vesicomyidae are chemosynthetic bivalves from reducing habitats that rely on symbiosis with sulfur-oxidizing bacteria, in which two studies suggesting vertical transmission of symbionts have been published, both limited by the imaging techniques used. Using fluorescence in situ hybridization and transmission electron microscopy, we demonstrate that bacterial symbionts of Isorropodon bigoti, a gonochoristic Vesicomyidae from the Guiness cold seep site, occur intracellularly within female gametes at all stages of gametogenesis from germ cells to mature oocytes and in early postlarval stage. Symbionts are completely absent from the male gonad and gametes. This study confirms the transovarial transmission of symbionts in Vesicomyidae and extends it to the smaller species for which no data were previously available. 相似文献
43.
Arslan Pınar Yurdakok-Dikmen Begum Ozeren Saniye Cevher Kuzukiran Ozgur Filazi Ayhan 《Environmental science and pollution research international》2021,28(35):48408-48416
Environmental Science and Pollution Research - The ubiquitous use of antibiotics leads exposure of these chemicals on non-target aquatic species, while the toxicity assays for these chemicals are... 相似文献
44.
Ramos-Meza Carlos Samuel Zhanbayev Rinat Bilal Hazrat Sultan Mubbashra Pekergin Zehra Betül Arslan Hafiz Muhammad 《Environmental science and pollution research international》2021,28(47):66957-66967
Environmental Science and Pollution Research - The fact is that output volatility and carbon dioxide (CO2) emissions move together over the period. This empirical study examines the dynamic effect... 相似文献
45.
Nezih Kamil Salihoglu Selnur Ucaroglu Guray Salihoglu 《Journal of Material Cycles and Waste Management》2018,20(4):2100-2109
The compostability of water-based paint sludge originating from the automotive industry was investigated. Six reactors were operated. Wastewater treatment sludge from the same industry was used as additional substrate, and corncob was used as a bulking agent. The level of paint sludge within the compost mixtures varied between 55 and 85%. All reactors yielded a temperature increase up to thermophilic phase levels (>?40 °C) for a minimum of 5 days, and organic matter and C/N losses were observed. BTEX concentrations decreased during composting. Nickel and tin levels in the final product exceeded the legal compost limits. The calorific value of the compost mixtures increased from 9532 to 18774 kJ/kg at the end of the composting process. It was seen that the process applied in this study can be utilized as a biodrying step before the usage of paint sludge at cement kilns as additional fuel. 相似文献
46.
Niyazi Arslan 《Environmental monitoring and assessment》2018,190(9):550
Incident electromagnetic radiation hitting the Earth’s surface shows three phenomena as absorptivity, reflectivity and transmissivity where sum of the three is equal to one. The transmissivity is zero when the surface is opaque. There is a strong relationship between absorptivity and emissivity that is explained by Kirchhoff’s Law. Emissivity is managed by the thermal radiation on the Earth’s surface. Thermal radiation related with the heat transfer of the electromagnetic radiation is controlled by passing energy of atoms and molecules. There are different sources of energy other than the Sun such as geothermal activities, volcanoes and manufacturing plants that contributes to the emissivity of the surface. The thermal radiation produced by manufacturing plants contributes to the Earth’s surface temperature as well.In this study, land surface temperatures were estimated by using inverse Planck function from five Advanced Spaceborne Thermal Emission and Reflection Radiometer remote-sensing satellite sensor thermal infrared bands. It is aimed to highlight hotspots related to manufacturing plants in the region of Kocaeli, Turkey. The hotspots are examined statistically with the minimum noise fraction, the independent component analysis, the local Moran’s I index and the Getis-Ord Gi index methods by using land surface temperatures. 相似文献
47.
Krzysztof German Kamil Kulesza Miriam Florack 《Journal of Material Cycles and Waste Management》2006,8(2):116-121
Recycling of poly(vinyl chloride) (PVC) waste is a serious problem because of its high chlorine content. Dehydrochlorination
of PVC-containing polymer waste produces solid residue char, for which conversion to pyrolysis oil in a petrochemical plant
seems to be an attractive way of recycling PVC waste. Unfortunately, some polymer admixtures react with HCl and cause formation
of chloroorganic compounds in a char. This article describes the influence of polycarbonates and poly(ethylene terephthalate)
on thermal feedstock recycling of PVC wastes using a two-stage method. It was found that the presence of polycarbonate causes
the formation of small amounts of benzyl chloride and other chloroaryl or chloroalkylaryl compounds. Poly(ethylene terephthalate)
interacts with HCl forming significant amounts of various chlorocompounds – mainly chloroethyl esters of terephthalic and
benzoic acids, but derivatives possessing chlorine directly connected to the aromatic ring are also formed. 相似文献
48.
The Ordinary Least Squares (OLS) is one of the widely used methods which is used for estimating the diffuse solar radiation. However, in order to use the OLS method in the estimation, the dataset must provide certain assumptions. In this study, alternative robust methods have been described and they were compared with the OLS method, which is used for estimating diffuse radiation frequently in an application. At the end of the analysis, the R2 value obtained by the OLS method is less than the values obtained by M regression models. In other words, the explanation of the dependent value is weak when the OLS method is used. Finally, it can be said that the most appropriate method is Andrews for estimating the diffuse solar radiation. 相似文献
49.
Ozcan Arslan 《Process Safety and Environmental Protection》2009,87(2):113-120
Large quantities of liquid chemicals are carried by chemical tankers all over seas. Chemical cargoes have different properties and chemical tankers are complex ships that are designed to carry different types of chemical cargoes. Carriage of chemical cargoes contains different hazards both for human life and marine environment. There are several cargo operations that are regularly done on chemical tankers such as loading, discharging, inerting, washing tanks, sampling, and freeing gas. These operations constitute their own risks. Therefore, risk assessment has become a critical issue in maritime industry. The present investigation of this study is attempting to examine the priorities of precautions that are taken by chemical tankers before, during, and after cargo operations. Analytic hierarchy process (AHP) is used for prioritizing the precautions in order to clarify the risk assesment option that will be used for pro-active approach to prevent marine casualties. The main aim of this study is to identify an appropriate management tool to increase the level of safety for chemical tankers during cargo operations at a terminal by using the results of AHP application. 相似文献
50.
There is a lack of information regarding persistent organic pollutants (POPs) in soil from Slovakia. This paper reports the concentrations of 17 polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), 12 dioxin-like polychlorinated biphenyls (dl-PCBs) and 6 indicator PCBs associated with 32 soil samples collected in 2007 from areas in the vicinity up to several kilometres from four selected industrial PCDD/F sources in Slovakia and one background area.The results show that the total WHO1998-PCDD/F/dl-PCB-TEQ concentrations varied from 0.34 to 18.05 pg g−1 dry weight (dw) and the average total TEQ concentrations in samples collected at the Šala, Košice, Krompachy and Dubová areas were 3.18, 2.64, 7.80, and 3.19 pg g−1 dw respectively. The average of the total WHO1998-TEQ values in three soil samples representing the background Starina area was 0.66 pg g−1 dw. The predominant contaminants among 2,3,7,8-substituted PCDD/Fs, dl-PCB, and indicator PCBs was OCDD, PCB 118, and PCB 153 respectively. The major contributors to the TEQ were 2,3,4,7,8-PeCDF, PCB 126, 1,2,3,7,8-PeCDD, PCB 156 and 1,2,3,4,7,8-HxCDF + 1,2,3,4,7,9-HxCDF in descending order. 相似文献