Similar words: in exchange for, foreign exchange, foreign exchange rate, foreign exchange market, foreign exchange control, floating exchange rate, exchange, exchanger.
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1. The sodium is removed with cation exchange resin.
2. Taking succinic acid, alcohol as material, cation exchange resin as catalyst the diethyl succinate is synthesized.
3. The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and butyl alcohol.
4. Measurement of the cation exchange capability (CEC) and swell capability of samples in fresh water indicated that they have correlations with the relative quantity and cations in interlayers of S/I.
5. The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and alcohol.
6. The spherical ligninbased cation exchange resin was prepared with calcium lignosulphonate as raw material in a cheap and non-toxic dispersing medium by reversed phase suspension polymerization.
7. The common resuscitative agent for polluted cation exchange resin by iron is hydrochloric acid.
8. Cation exchange capacity generally increases with an increase in broken bonds.
9. Especially the benzene ring of polystyrene cation exchange resin varies slowly. Therefore the graphite degree of carbonized product of polystyrene cation exchange resin is getting low comparatively.
10. Cation exchange capacity and equilibria isotherm at 25 ℃ were determined.
11. The catalytic hydroxyethylation of liquid ammonia by cation exchange resin was studied and the reaction mechanism was discussed. According to the experimental data, the kinetic equation was deduced.
12. This paper introduces methanol refining method and pilot-scale production result by using 732—cation exchange resin and, summarizes activation and regeneration of the resin.
13. By using cation exchange resin modified cerium sulfate as the catalyst, itaconate acid and methanol reacted to form dimethyl itaconate.
14. The synthetic products have high crystallinity,[Sentencedict] purity and cation exchange capability.
15. An increase in cation exchange capacity of the tissue should be observed.
16. Iii this procedure, plasma is mixed with a strongly acidic cation exchange resin of the sodium form.
17. The synthesis of isobutyraldehyde 1,2-propanediol acetal from isobutyraldehyde and 1,2-propanediol catalyzed by the strongly acidic cation exchange resin of styrene system was studied.
18. The organophilic montmorillonites with increased interlayer spacings were prepared from hydrophilic clay by cation exchange with trimethylcetyl ammonium bromide.
19. The product was decolored by 711 anion resin and purified dynamically by D001 macropore cation exchange resin, and the extraction rate was upto 95.83%.
20. Intrinsic kinetics of isobutene(IB) oligomerization was investigated over strong acid cation exchange resin as catalyst in presence of tert-butyl alcohol(TBA).
21. Ethanol and tert-amyl alcohol were employed to synthesize tert-amyl ethyl ether in the liquid phase at atmospheric pressure. The strong acid cation exchange resin, NKC-29, was used as catalyst.
22. Acetylsalicylic acid was synthesized from salicylic acid and acetic anhydride catalyzed by strong - acid cation exchange resin.
23. This invented bipolar membrane is composed of anion exchange layer, cation exchange layer and intermediate layer.
24. Free amino acids s content and composition in Litchi fruit stones extraction and eluate by 732 cation exchange resin were determined by ICS-2500 Ion chromatograph.
25. The possibility of preparation of methylal from methanol and formaldehyde through slurry catalytic distillation catalyzed by acidic cation exchange resin with large size pores is discussed.
26. The technological conditions of nonylphenol production from phenol and nonene using acidic cation exchange resin as catalyst were studied.
27. The membrane potential of shaly sand was influenced by the cation exchange capacity, hydrocarbon saturation and concentration difference of the contacted solutions.
28. ObjectiveTo study the process parameters of MDG separated from the seed of Stizolobium cochinchinensis by 732 cation exchange resin.
29. The extract was decolored and desalted by using anion and cation exchange resin. The desalted liquid was filtered with an ultrafilter membrane.
30. Isobornyl ethyl ether was prepared by the catalytic ethoxylation of camphene with ethyl alcohol in the presence of cation exchange resin fixed bed.
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