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mineral surface
Enzymic oxidation of phenolic precursors on the mineral surface was substantially more rapid than abiotic oxidation and led to synthesis of a highly polymeric fraction with a molecular weight over 75 kDa.
      
Possible types of anion-cation packing of mineral surface were evaluated.
      
Interactions between the dissolved mineral species and other mineral surface were investigated using solution chemistry calculation,ζ-potential measurement, AES analysis and flotation tests.
      
Study on interaction energy between flotation reagent and mineral surface
      
The interaction between a flotation reagent and mineral surface not only depends on the bonding atom, but also depends on the adjacent atom of mineral surface, a flotation reagent and the medium in the system of flotation.
      
Energy equation of a reagent interacting with mineral surface has been deduced from this model.
      
Elemental sulfur was present on the mineral surface in excess of oxidized lead species due to dissolution of HPbO2-, which is beneficial to the flotation of galena.
      
During grinding, due to galvanic interactions between minerals and steel medium, Fe(OH)3 formed covers on the cathodic mineral surface, affecting its floatability.
      
Infrared spectrum shows that there are some -OH and -CSS- in glycerine-xanthate molecule, which competes with butyl-xanthate on the mineral surface.
      
A study on the reaction kinetics of mineral surface adsorption in mix system
      
Therefore, the reactive ability of the ions onto mineral surface of quartz follows the order of Cd >amp;gt; Pb >amp;gt; Zn >amp;gt; Ni>amp;gt; Cu under the above-mentioned solution conditions.
      
Proton affinities of these gas-phase molecules and related mineral surface species are predicted based on corrections for cluster-size effects.
      
Imaging the heterogeneity of mineral surface reactivity using Ag(I) and synchrotron X-ray microscopy
      
The generation of hydrogen ions was most likely related to the presence of silanols on the newly formed mineral surface, implying a change of proton activities in the fluid after pulverization of quartz.
      
The adsorption kinetics was studied of anion- and cation-active tensides on mineral surface from solutionsceq >amp;lt; CMC andceq ≧ CMC, and the adsorption mechanisms of ion exchange and ion pairing were discussed.
      
For instance, in the grafting of methylvinyl-dichlorosilane, this reaction is of minor importance, whereas in the case of allyldimethylchlorosilane, no allyl groups are grafted as such on the mineral surface.
      
The very low concentrations are caused by the strong adsorption of the organic cations on the clay mineral surface.
      
Such a mechanism has operated in a closed system and the re-equilibration related cracks have not been connected with mineral surface.
      
DAL may serve as a quantitative index characterizing the distribution configuration of elements on mineral surface.
      
Nevertheless minor part (>amp;lt;14%) of total Hg was identified as mineral surface bound Hg, which might undergo methylation and thus represents potential long-term environmental risk.
      
 

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