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selectivity造句
31. Under suitable conditions, the conversion on 1, 2 - propanediol asas % and the selectivity on acetone aldehyde %. 32. The catalytic activity declined as the selectivity of paraxylene and ortho-xylene improved with increasing treated temperature. 33. The results give the theoretical basis for the selectivity of the flocculant and the design of the pipe-flow flocculator. 34. We get finally a multilayered LTCC three-stage bandpass filter with a small size and high frequency selectivity. 35. For FCC resid processing, USY zeolite is perferred because of its superior hydrothermal stability, vanadium resistance and coke selectivity compared to conventional zeolites. 36. After analyzing of the selectivity of this method during the calculation, the influence of the laser's power and center frequency upon the separation was discussed. 37. Two sharp attenuation poles can be located close to either side of the desired pass-band to improve the frequency selectivity. 38. The effects of concentration of sensitizer, initial concentration of norbornadiene, reaction time and solvents on conversion of norbornadiene and selectivity of quadricyclane were investigated. 39. Compared with phosphoric acid supported on AC, the selectivity for o-ethoxyphenol was higher over HPA catalysts. 40. Being an effective depressant of diaspore, SA3 has such properties as lower dosage, good applicability and high selectivity. 41. The new DFB can provide good directional and frequency selectivity. 42. The effect of additive CTAB on chemical oxidation rates and the effect of externally added H_2O_2 on selectivity of cathodic electrosynthesis have been investigated. 43. With the increased bulk density, catalyst for the conversion and selectivity decreased. 44. The Endo - conversion 、 Exo - yield andExo - selectivity are 96.46 % 、93.12 % and 96.54 % respectively. 45. The feeding selectivity of Sagitta crassa, some ecological factors effect to the feeding rate and their diurnal feeding rhythm were experimentally studied in this paper. 46. The results demonstrate that this catalyse has an excellent activity and selectivity this reaction. 47. Hydrozinolysis and hydrogenolysis reduction with high yield and excellent selectivity was the best process among the three. 48. The pest is polyphagous, has obvious selectivity for hosts and good adaptability to tobacco. 49. The process of this method is relatively complicated, its advantage is vicinal diol's total selectivity reached 85%, when the conversion rate of unsaturated fatty acid methyl ester was 98%. 50. Regio selectivity and catalytic effect of different palladium compounds were discussed. 51. Second, the selectivity depends on the Coulomb interaction on the surface, not the lipophilicity. 52. The newly proposed speckle multiplexing scheme could provide smaller multiplexing selectivity and higher storage density compared with other conventional schemes. 53. In hydroformylation of aliphatic olefin, although regioselectivity was low, the major product depended on the selectivity of catalyst. Development direction of metal-NHC complexes was prospected. 54. The catalyst prepared by said invented method has high conversion rate and high selectivity for synthesizing cycloolefine by means of aromatic selective hydrogenation. 55. The DM membrane possesses fairly good selectivity, chemical stability and scale stability. 56. The selective binding experiment for substrates indicated that the polymer gave much higher affinity and selectivity for triadimefon than for triadimenol and imidacloprid. 57. The silylation of support TS-1 led to the increase of catalyst activity and selectivity. 58. And the frequency of the microwave can be made stable due to the frequency selectivity of the resonator. 59. If Ni-Co nanoparticles are used as catalyst, the transformation ratio is 100% and the selectivity is 99%. 60. The experimental results showed that with the content of water was 7 % in the azeotrope mixture, stigmasterol got the best selectivity.