搜索结果: 46-60 共查到“知识库 理学 microbial”相关记录152条 . 查询时间(0.226 秒)
Spatial distribution of intact polar lipids in North Sea surface waters: Relationship with environmental conditions and microbial community composition
Spatial distribution intact polar lipids North Sea surface waters Relationship with environmental conditions microbial community composition
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2014/4/3
We characterized and quantified the intact polar lipid (IPL) composition of the surface waters of the North Sea and investigated its relationships with environmental conditions, microbial abundances, ...
Seasonal change in microbial sulfur cycling in monomictic Lake Fukami-ike, Japan
Seasonal change microbial sulfur cycling monomictic Lake Fukami-ike Japan
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2014/4/3
Sulfur budgets and seasonal progression of sulfur cycling processes were investigated in Lake Fukami-ike, a small monomictic lake in Japan. The sulfur isotopic mass balance shows that the main sulfur ...
Constrained microbial processing of allochthonous organic carbon in boreal lake sediments
Constrained microbial processing allochthonous organic carbon boreal lake sediments
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2014/4/2
We investigated sediment bacterial metabolism in eight lakes with different inputs of allochthonous and autochthonous organic carbon in south-central Sweden. Sediment bacterial production, mineralizat...
Effects of Cordyceps militaris Mycelia on Fibrolytic Enzyme Activities and Microbial Populations In vitro
Cordyceps militaris Rumen Microorganisms Enzyme
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2016/5/6
An experiment was conducted to examine the effects of Cordyceps militaris mycelia on microbial populations and fibrolytic enzyme activities in vitro. C. militaris mycelia was added to buffered rumen f...
Effect of Feeding Rubber Seed Kernel and Palm Kernel Cake in Combination on Nutrient Utilization, Rumen Fermentation Characteristics, and Microbial Populations in Goats Fed on Briachiaria humidicola Hay-based Diets
Rubber Seed Kernel Palm Kernel Cake Feed Intake Rumen Fermentation Goat
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2016/5/5
Six male crossbred (Thai NativeAnglo Nubian) goats, with an average initial weight of 222 kg, were randomly assigned according to a 32 factorial arrangement in a 66 Lat...
Photochemical, microbial and metal complexation behavior of fluorescent dissolved organic matter in the aquatic environments
photodegradation microbial degradation metal complexation
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2017/4/12
Chemical properties and reactivity of fluorescent dissolved organic matter (FDOM) are examined in this paper. They
are key issues to understand the biogeochemical processes in the aquatic environment...
Phytoplankton allelochemical interactions change microbial food web dynamics
microbial food Phytoplankton allelochemical interactions
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2014/4/8
This study investigates the effect of filtrates from an allelopathic dinoflagellate, Alexandrium tamarense, on
four microbial food webs that have been manipulated experimentally from natural seawater...
Microbial dinitrogen and nitrous oxide production in a small eutrophic reservoir: An in situ approach to quantifying hypolimnetic process rates
Microbial dinitrogen and nitrous oxide production a small eutrophic reservoir An in situ approach to quantifying hypolimnetic process rates
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2014/4/8
Nitrogen (N) dynamics within the hypolimnion of a thermally stratified reservoir were examined to test an in situ approach to measuring dinitrogen (N2) and nitrous oxide (N2O) production rates wherein...
Ultrahigh bacterial production in a eutrophic subtropical Australian river: Does viral lysis short-circuit the microbial loop?
short-circuit the microbial loop Ultrahigh bacterial production
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2014/4/8
We studied trophic dynamics in a warm eutrophic subtropical river (Bremer River, Australia) to determine
potential sources of dissolved organic carbon (DOC) and the fate of heterotrophic bacterial pr...
Phosphatases relieve carbon limitation of microbial activity in Baltic Sea sediments along a redox-gradient
carbon limitation Baltic Sea sediments
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2014/4/4
The relationship between phosphatase activity and the element limiting microbial activity (carbon [C], nitrogen
[N], or phosphorus [P]) was studied experimentally in sediment from four stations in th...
Complex interactions between marine sponges and their symbiotic microbial communities
Complex interactions marine sponges symbiotic microbial communities
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2014/4/4
To investigate the importance of symbiont-derived nutrition to host sponges, we coupled manipulative shading experiments with stable isotope analyses of isolated symbiont and host cell fractions. Expe...
Microbial biomass and community composition in boreal lake sediments
boreal lake sediments Microbial biomas
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2014/4/4
We used phospholipid fatty acids (PLFA) to determine microbial biomass and community structure in the
sediments of eight boreal lakes with different loadings of allochthonous organic carbon and total...
Microbial carbon isotope fractionation to produce extraordinarily heavy methane in aging hydrothermal plumes over the southwestern Okinawa Trough
hydrothermal plume chemistry microbial methane oxidation carbon isotope fractionation southern Okinawa Trough
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2017/8/9
Within neutrally buoyant hydrothermal plumes derived from the Yonaguni Knoll IV hydrothermal field (24°51′N, 122°42′E, D = 1,370-1,385 m) in the southwestern Okinawa Trough back-arc basin, we obtained...
The path to preservation: Using proteomics to decipher the fate of diatom proteins during microbial degradation
The path to preservation: Using proteomics decipher the fate diatom proteins microbial degradation
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2014/4/17
We drew upon recent advances in tandem mass spectrometry-based proteomic analyses in order to examine the proteins that remain after a diatom bloom enters the stationary phase, precipitates out of the...
Microbial dimethylsulfoniopropionate (DMSP) dynamics along a natural iron gradient in the northeast subarctic Pacific
Microbial dimethylsulfoniopropionate DMSP dynamics along a natural iron gradient northeast subarctic Pacific
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2014/4/17
We characterized the effect of an inshore-offshore gradient in Fe in the northeast subarctic Pacific on the bacterioplankton and phytoplankton assemblages and on the microbial cycling of particulate a...