搜索结果: 151-165 共查到“理学 microbial”相关记录186条 . 查询时间(0.11 秒)
N2O,NO and CH4 exchange,and microbial N turnover over a Mediterranean pine forest soil
N2O NO CH4 microbial N Mediterranean pine forest soil
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2010/1/13
Trace gas exchange of N2O, NO/NO2 and CH4 between soil and the atmosphere was measured in a typical Mediterranean pine (Pinus pinaster) forest during two intensive field campaigns in spring and autumn...
Photosynthesis-controlled calcification in a hypersaline microbial mat
Photosynthesis-controlled calcifi cation hypersaline microbial mat
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2014/5/13
We investigated the hypothesis that sulfate reduction rather than oxygenic photosynthesis promotes calcification
in a hypersaline microbial mat by increasing the ion concentration product: ICP ...
Influence of Diet Induced Changes in Rumen Microbial Characteristics on Gas Production Kinetics of Straw Substrates In vitro
Rumen Microbes Gas Production Straw Tracer Techniques UMMB
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2016/4/19
The effect of diets varying in level and source of nitrogen (N) and fermentable organic matter on dynamic characteristics of microbial populations in rumen liquor and their impact on substrate ferment...
Study of the Microbial and Chemical Properties of Goat Milk Kefir Produced by Inoculation with Taiwanese Kefir Grains
Kefir Goat Milk Medium Chain-length Triglycerides
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2016/4/19
One of the prerequisites for the successful implementation of industrial-scale goat kefir production is to understand the effects of different kefir grains and culture conditions on the microbial and ...
Studies of the Microbial and Physical Properties of Oriental Style Dairy Product Kou Woan Lao with Probiotics
Kou Woan Lao Lao-chao Probiotics Rhizopus javanicus Saccharomyces cerevisiae
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2016/4/19
The objective of this research was to combine the physiological functionality of probiotics (Lactobacillus acidophilus and Bifidobacterium longum) and the milk-clotting activity of culture filtrate fr...
Effects of Lactobacillus reuteri-based Direct-fed Microbial Supplementation for Growing-Finishing Pigs
Direct Fed Microbial Growth Performance Pigs
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2016/4/19
Two experiments were conducted to evaluate the effects of direct-fed microbial supplementation on the growth performance and nutrient digestibility in pigs. In experiment 1, forty eight pigs were used...
Effect of Intraruminal Sucrose Infusion on Volatile Fatty Acid Production and Microbial Protein Synthesis in Sheep
Branched-chain Fatty Acid Grass Silage Microbial Protein Synthesis Sucrose
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2016/4/19
Effects of sucrose supplement on the pattern of VFA production and microbial protein synthesis in the rumen were examined in sheep consuming basal diet of grass silage (2.5 kg fresh wt/d) that was pro...
Effect of Protein Sources on Rumen Microbial Protein Synthesis Using Rumen Simulated Continuous Culture System
RSCC Urea Casein Soy Protein Microbial Protein Synthesis N Flow
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2016/4/19
A rumen simulated continuous culture (RSCC) system was used to study the influence of supplementation of the three different types of protein sources such as urea, casein and soy protein on rumen micr...
Analyzing the trophic link between the mesopelagic microbial loop and zooplankton from observed depth profiles of bacteria and protozoa
trophic link mesopelagic microbial loop zooplankton observed depth profiles bacteria protozoa
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2010/1/12
It is widely recognized that organic carbon exported to the ocean aphotic layer is significantly consumed by heterotrophic organisms such as bacteria and zooplankton in the mesopelagic layer. However,...
Large-scale environmental controls on microbial biofilms in high-alpine streams
Large-scale environmental controls microbial biofilms high-alpine streams
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2010/1/7
Glaciers are highly responsive to global warming and important agents of landscape heterogeneity. While it is well established that glacial ablation and snowmelt regulate stream discharge, linkage amo...
Interactions between DOC, microbial processes, and community structure in the mesopelagic zone of the northwestern Sargasso Sea
DOC microbial processes community structure mesopelagic zone the northwestern Sargasso Sea
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2014/5/19
At the Bermuda Atlantic Time-Series Study (BATS) site, the field observations of dissolved organic carbon (DOC) dynamics indicate that seasonally produced ‘‘semilabile’’ DOC is res...
Interactive regulation of dissolved copper toxicity by an estuarine microbial community
Interactive regulation copper toxicity estuarine microbial community
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2014/5/19
Cultured marine microorganisms under copper stress produce extracellular compounds having a high affinity for copper (copper-complexing ligands). These ligands are similar in binding strength to those...
Spring phytoplankton bloom dynamics in Norwegian coastal waters: Microbial community succession and diversity
Spring phytoplankton bloom Norwegian coastal waters
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2014/5/14
Most studies of spring bloom succession in Norwegian waters have employed light microscopy and accounted
for species composition of phyto- and zooplankton. Flow cytometry and molecular tools enable u...
Effect of Synchronizing Starch Sources and Protein (NPN) in the Rumen on Feed Intake, Rumen Microbial Fermentation, Nutrient Utilization and Performance of Lactating Dairy Cows
Synchronizing Protein Starch Sources Cassava Chip Corn Rumen Degradability
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2016/4/18
Eight crossbred (75% Holstein Friesian) cows in mid-lactation were randomly assigned to a switchback design with a 2x2 factorial arrangement to evaluate two nonstructural carbohydrate (NSC) sources (c...
Metabolic and structural response of hyporheic microbial communities to variations in supply of dissolved organic matter
hyporheic microbial communities Metabolic
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2014/5/21
Hyporheic sediment bacterial communities were exposed to dissolved organic matter (DOM) from a variety of
sources to assess the interdependence of bacterial metabolism and community composition. Expe...