50 research outputs found
PRELIMINARY DESIGN AND FEASIBILITY STUDY FOR THE CONSTRUCTION OF THE SECOND BLOCK THERMAL POWER PLANT PLJEVLJA
V magisterski nalogi smo predstavili moΕΎnost gradnje drugega bloka termoelektrarne v obΔini Pljevlja. Z gradnjo novega bloka TE Pljevlja ΕΎelimo pokriti potrebe po elektriΔni energiji v Δrni Gori in zmanjΕ‘ati negativni vpliv na okolje obstojeΔe termoelektrarne.
Predstavili smo tudi oceno vrednosti investicije za novo enoto v okviru obstojeΔe TE.
βIn this paper we present the possibility for construction of the second block thermal power plant in the municipality of Pljevlja. With the construction of a new block TPP Pljevlja we want to cover electricity demand in Montenegro and reducing the negative environmental impact of existing thermal power plants.
We also presented an assessment of the value of the investment for a new unit within the existing thermal power plants
Chlorophyll bloom enhanced by a mesoscale eddy in the western South China Sea
Remote sensing of ocean color is used to detect phytoplankton blooms and oceanic eddies. In this study, satellite remote sensing was used to detect an eddylike phytoplankton bloom in the western South China Sea in early September, 2007. The eddy-like phytoplankton bloom formed in the middle of August, before the formation of a cyclonic eddy. The time series reveals a lag period of about 1 week between maximum chlorophyll (Chl a) and maximum eddy intensity. This lag may have been related to the Mekong River discharge and its subsequent mixing by the cyclonic eddy. The spatial distribution of the bloom was characterized by a jet of high Chl a. Our data provide evidence that a significant proportion of south-westerly monsoon driven nutrients are used by phytoplankton. We also determined that phytoplankton blooms may support the large-scale advective spreading of high biomass waters to the open ocean by large surface currents. These biomass rich waters are probably important in the food chain dynamics of the outer south-eastern shelf and the coral islands or atolls in the open ocean
Nuclear, mitochondrial and plastid gene phylogenies of Dinophysis miles (Dinophyceae): evidence of variable types of chloroplasts.
The Dinophysis genus is an ecologically and evolutionarily important group of marine dinoflagellates, yet their molecular phylogenetic positions and ecological characteristics such as trophic modes remain poorly understood. Here, a population of Dinophysis miles var. indica was sampled from South China Sea in March 2010. Nuclear ribosomal RNA gene (rDNA) SSU, ITS1-5.8S-ITS2 and LSU, mitochondrial genes encoding cytochrome B (cob) and cytochrome C oxidase subunit I (cox1), and plastid rDNA SSU were PCR amplified and sequenced. Phylogenetic analyses based on cob, cox1, and the nuclear rRNA regions showed that D. miles was closely related to D. tripos and D. caudata while distinct from D. acuminata. Along with morphology the LSU and ITS1-5.8S-ITS2 molecular data confirmed that this population was D. miles var. indica. Furthermore, the result demonstrated that ITS1-5.8S-ITS2 fragment was the most effective region to distinguish D. miles from other Dinophysis species. Three distinct types of plastid rDNA sequences were detected, belonging to plastids of a cryptophyte, a haptophyte, and a cyanobacterium, respectively. This is the first documentation of three photosynthetic entities associated with a Dinophysis species. While the cyanobacterial sequence likely represented an ectosymbiont of the D. miles cells, the detection of the cryptophyte and haptophyte plastid sequences indicates that the natural assemblage of D. miles likely retain more than one type of plastids from its prey algae for temporary use in photosynthesis. The result, together with recent findings of plastid types in other Dinophysis species, suggests that more systematic research is required to understand the complex nutritional physiology of this genus of dinoflagellates
Flourishing deep-sea AAP bacteria detected by flow cytometric sorting and molecular analysis.
Pigmented bacteria cells, including aerobic anoxygenic phototrophic (AAP) bacteria, contribute significantly to secondary production and aquatic carbon cycling but their distribution in the deep sea is still not well understood, especially in the South China Sea. In this study, microscopic, flow cytometric, and molecular analyses were carried out to investigate the abundance and diversity of AAP bacteria at seven stations in the South China Sea. The results revealed the existence of bacteriochlorophyll-containing bacteria below 500 m from two of seven stations. Flow cytometric analysis detected red and infra-red fluorescence under blue (488 nm) light excitation from fluorescent cells. Blue light-excited red fluorescence of these cells from the 1000 m depth at station E403 were verified using epifluorescence microscopy. Based on fluorescence and side scatter features, fluorescent cells were sorted and subjected to molecular analysis. DNA was extracted from these sorted cells from both stations for PCR amplification using 16S rDNA primers. Sequencing of the PCR products showed that the sorted cells from the 1000 m depth at station E403 belonged to the genus Porphyrobacter. The cell population sorted from 500 m at station E703 contained Sphingomonas and a Methylobacterium-like taxon. All these three taxa belong to aerobic anoxygenic phototrophic alpha-proteobacteria. Using flow cytometric analysis, we found that the abundance of Porphyrobacter sp. at 1000 m was 2.71-2.95Γ104 cells mL-1 whereas cell counts of Sphingomonas sp. and Methylobacterium at 500 m were about 3.75-4.12Γ105 cells mL-1. These results indicate that albeit not ubiquitous in deep water, bacteriochlorophyll-containing bacteria can be abundant in the deep-sea aphotic zone
Reply to Johnson et al.: Functionally active cryptophyte cell membrane and cytoplasm indicate intact symbionts within Mesodinium
Two Functionally Distinct Ciliates Dwelling in Acropora Corals in the South China Sea near Sanya, Hainan Province, ChinaβΏ
We detected and characterized two distinct scuticociliate ciliates inside Acropora corals in the South China Sea. One, voraciously foraging on Symbiodinium, resembled the brown band disease of ciliates. The other, which is closely related to Paranophrys magna, grazed on detritus instead of Symbiodinium. These two ciliates may serve contrasting functions (competitor versus βcleanerβ) in the coral-ciliate-Symbiodinium triangular relationship
Short-Term Phytoplankton Dynamics During Typhoon Season in and Near the Pearl River Estuary, South China Sea
The effect on phytoplankton dynamics of nutrient inputs from rivers within the highly eutrophic Pearl River Estuary (PRE) in China is well understood. However, the role that typhoons play in enhancing or reducing phytoplankton blooms is less well known. The primary factors controlling phytoplankton dynamics in the PRE in June-July 2009 were determined by coupling satellite remote sensing data with field observations during two successive typhoons: Nangka and Soudelor. The results revealed that the magnitude of chlorophyll a concentration (Chl) near the PRE was controlled by several key factors. (1) Vertical mixing of seawater induced by Typhoons Nangka and Soudelor led to a sudden decrease in Chl and phytoplankton abundance near the PRE, especially in picophytoplankton. (2) Following the typhoon events, increased nutrient availability associated with significant freshwater runoff promoted phytoplankton (especially Synechococcus) growth, recovery, and blooms in and near the PRE. (3) Increased freshwater input or easterly winds enhanced the extension of highly abundant phytoplankton with brackish water from the estuary into the adjacent nearshore water. (4) Phycocyanin-rich Synechococcus was endemic and a dominant picophytoplankton group in the estuarial brackish water. We propose a mechanism that describes the interactions of vertical mixing, terrestrial precipitation, freshwater discharge, nutrient inputs, and winds on short-term phytoplankton dynamics in and near the PRE during typhoon season
Cognitive and discursive practices of identifi cation of Russians in the media
Π‘ΡΠ°ΡΡΡ ΠΏΠΎΡΡΡΠΏΠΈΠ»Π° Π² ΡΠ΅Π΄Π°ΠΊΡΠΈΡ 19.04.2017 Π³.ΠΠΎΠ³Π½ΠΈΡΠΈΠ²Π½ΠΎ-Π΄ΠΈΡΠΊΡΡΡΠΈΠ²Π½ΡΠ΅ ΠΏΡΠ°ΠΊΡΠΈΠΊΠΈ ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π½Π°ΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎ-Π³ΡΠ°ΠΆΠ΄Π°Π½ΡΠΊΠΎΠΉ ΠΈΠ΄Π΅Π½ΡΠΈΡΠ½ΠΎΡΡΠΈ ΡΠΎΡΡΠΈΡΠ½ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ Π² ΡΡΠ°ΡΡΠ΅ Ρ Π΄Π²ΡΡ
ΠΏΠΎΠ·ΠΈΡΠΈΠΉ: Ρ ΠΏΠΎΠ·ΠΈΡΠΈΠΈ Π°Π΄ΡΠ΅ΡΠ°Π½ΡΠ° ΠΈ Ρ ΠΏΠΎΠ·ΠΈΡΠΈΠΈ Π°Π΄ΡΠ΅ΡΠ°ΡΠ° ΠΌΠ΅Π΄ΠΈΠ°ΡΠ΅ΠΊΡΡΠ°. Π Ρ
ΠΎΠ΄Π΅ Π°Π½Π°Π»ΠΈΠ·Π° ΠΊΠΎΠ³Π½ΠΈΡΠΈΠ²Π½ΠΎ-Π΄ΠΈΡΠΊΡΡΡΠΈΠ²Π½ΡΡ
ΠΏΡΠ°ΠΊΡΠΈΠΊ Π°Π΄ΡΠ΅ΡΠ°Π½ΡΠ° ΠΏΠΎΡΡΡΠΎΠ΅Π½Π° ΡΡΠ΅ΠΉΠΌΠΎΠ²ΠΎ-ΡΠ»ΠΎΡΠΎΠ²Π°Ρ ΠΌΠΎΠ΄Π΅Π»Ρ Π΄ΠΎΠΌΠΈΠ½Π°Π½ΡΠ½ΠΎΠ³ΠΎ ΡΠ΅ΠΊΡΡΠΎΠ²ΠΎΠ³ΠΎ ΠΊΠΎΠ½ΡΠ΅ΠΏΡΠ° Β«Π ΡΡΡΠΊΠΈΠ΅Β» ΠΈ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½ΠΎ Π΅Π΅ Π΄ΠΈΡΠΊΡΡΡΠΈΠ²Π½ΠΎΠ΅ ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°Π½ΠΈΠ΅. ΠΠΎΠ³Π½ΠΈΡΠΈΠ²Π½ΠΎ-Π΄ΠΈΡΠΊΡΡΡΠΈΠ²Π½ΡΠ΅ ΠΏΡΠ°ΠΊΡΠΈΠΊΠΈ Π°Π΄ΡΠ΅ΡΠ°ΡΠ° ΠΎΠΏΠΈΡΠ°Π½Ρ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΡΡΠ΄Π° ΡΠΎΡΠΈΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈ ΠΏΡΠΈΡ
ΠΎΠ»ΠΈΠ½Π³Π²ΠΈΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ².Cognitive and discourse modeling practices of national and civil identity of Russians are presented in the study from two perspectives: from the perspective of the author and from the perspective of the recipient of media text. Frame-slot model of the dominant text concept Β«RussianΒ» was built during the analysis of the cognitive and discursive practices of the author and its discursive transformation presents. Cognitive and discursive practices of the recipient is described by sociological and psycho-linguistic methods of analysis.ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ ΠΏΡΠΈ ΡΠΈΠ½Π°Π½ΡΠΎΠ²ΠΎΠΉ ΠΏΠΎΠ΄Π΄Π΅ΡΠΆΠΊΠ΅ Π Π€Π€Π, ΠΏΡΠΎΠ΅ΠΊΡ Β«ΠΠ°ΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎ-Π³ΡΠ°ΠΆΠ΄Π°Π½ΡΠΊΠ°Ρ ΠΈΠ΄Π΅Π½ΡΠΈΡΠ½ΠΎΡΡΡ ΡΠΎΡΡΠΈΡΠ½ Π² Π΄ΠΈΡΠΊΡΡΡΠ΅ Π‘ΠΠ: ΠΊΠΎΠ½ΡΠ΅ΠΏΡ βΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΠΎΠ½Π½Π°Ρ Π²ΠΎΠΉΠ½Π°β ΠΊΠ°ΠΊ ΠΌΠΎΠ±ΠΈΠ»ΠΈΠ·Π°ΡΠΈΠΎΠ½Π½ΡΠΉ ΡΠ°ΠΊΡΠΎΡ ΠΈΠ΄Π΅Π½ΡΠΈΡΠΈΠΊΠ°ΡΠΈΠΈΒ» β 16-04-00460