The addition of trace amount of Ti (0.0025～0.02wt%) as a promoter in Rh-Mn-Li/SiO2 and the regulation of calcination temperature of TiOx/SiO2 alter Rh-Mn interaction, and thus increase the STY and selectivity of C2 oxygenates.
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This text directs against the question that the traditional land utilizes the change to investigate that exist in the method , Combine 3S technological characteristic and land utilize current situation probe into taking GIS as the core 3 S technology utilize change application of the investigation in land, Concrete to explain based on 3S technology land utilize technological route and 3S technology that change investigate utilize and alter and investigate every technology of link in land.
In temperate forest ecosystems, seasonal changes of soil resource availability will alter the pattern of carbon allocation to belowground.
The ginsenosides with two carbohydrate moieties (bisdesmosides), as well as all the panaxatriol glycosides we studied did not exhibit cytotoxic activities against tumor cells or alter the permeability of model lipid and lipid-sterol membranes.
Treatment with MMP-3 of cell-bound u-PA, in contrast, did not alter cell-associated u-PA activity.
AD associated mutations in PSEN1,2 genes alter the γ-secretase cleavage activity of APP resulting in increased production of amyloidogenic Aβ42.
Inactivation of PPX1 encoding the major cytosolic exopolyphosphatase PPX1 in Saccharomyces cerevisiae did not alter exopolyphosphatase activity of the isolated nuclei compared with that in the parent strain.