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in soil
A conceptual model was developed to describe trophic regulation by microfauna (nematodes) of the microbial productivity and respiration ctivity and decomposition of not readily decomposable organic matter in soil.
      
Nonoptimal values of these parameters in soil may be a limiting factor for the interaction of the given bacteria with soybean roots.
      
Both in dry and water-logged soils, the total methane concentration (in soil particles and gaseous phase) was an order of magnitude higher than in the soil gaseous phase alone (22 and 1.1 nl/cm3, respectively).
      
Synthesis of Anabiosis Autoinducers by Non-Spore-Forming Bacteria as a Mechanism Regulating Their Activity in Soil and Subsoil S
      
739 against micromycetes is largely determined by low-molecular-weight nonenzymatic substances, whereas the role of chitinase is to utilize chitin, which is ubiquitously present in soil.
      
Close to the roads, fungal complexes in soil and surface air were dominated by dark melanin-containing fungi.
      
Evaluation of Bacterial Diversity in Soil Microcosms at Different Moisture Contents
      
Investigations showed that bacteria present in soil are resistant to one-day exposure to a saturated solution of ammonium nitrate and can well develop when transferred to laboratory nutrient media.
      
Bacteria in soil were found to be much more resistant to salt stress than the same bacteria isolated in pure cultures.
      
In spring, the population of micromonosporas in soil and on the plant roots was found to be denser than that of streptomycetes.
      
The biometric analysis of bacterial cells in soil by light, fluorescence, and scanning electron microscopy showed that their average size is 0.8 μm in diameter, 1.4 μm in length, and 0.7 μm3 in volume.
      
In soil loci with enhanced microbiological activity (the rhizoplane of plants and the intestinal tract of soil invertebrates), the average size of bacterial cells was found to be 40% smaller than that of cells occurring in other parts of soil.
      
Identification of the Key Genes of Naphthalene Catabolism in Soil DNA
      
The results obtained show the possibility of using this approach in the goal-directed search for plasmid-containing naphthalene-degrading fluorescent pseudomonads in soil.
      
Employment of Rhizobacteria for the Inoculation of Barley Plants Cultivated in Soil Contaminated with Lead and Cadmium
      
Digoxigenin-labeled probes were shown to provide sufficient resolution when used either for hybridization on colonies or for in situ detection of bacteria in soil.
      
The Construction and Monitoring of Genetically Tagged, Plasmid-Containing, Naphthalene-Degrading Strains in Soil
      
The ecological significance of mycelial prokaryotes in soil microbial communities that develop and function under conditions of extremely low humidity is discussed.
      
Various compounds have been identified as precursors/substrates for the synthesis of ethylene (C2H4) in soil.
      
Results revealed that an amendment with L-MET, KMBA, ACC (up to 0.10 g/kg soil) and CaC2 (0.20 g/kg soil) significantly stimulated ethylene biosynthesis in soil.
      
 

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