1. However, attempts to estimate percentage crystallinity in a sample using n.m.r. have not been particularly successful.

2. Crystal cleanliness and crystallinity were checked by Auger electron spectroscopy and low energy electron diffraction, respectively.

3. The crystallizability and crystallinity of PBT were increased with the increase of mixing time.

4. FTIR results showed that the crystallinity and the crystallization behavior of PVDC in PVDC/MEE composites were significantly affected by layered mica due to the intercalation of mica.

5. The crystallinity of polyethylene decreased with increase of content of short branched chain methyl.

6. These modified starch, low dextrinize enthalpy value, low crystallinity and extremely disarrangement of structure, have a better effect of lowering blood sugar value.

7. The undrawn MPPAN yarn has lower crystallinity and crystal size high mechanical strength higher water shrinkage.

8. Effect of different fillers on mechanical properties and crystallinity of trans-1(),4-polyisoprene (TPI) was investigated .

9. The high isotacticity and crystallinity of the insoluble fraction make the material remain superior rigidity.

10. Poly(p-dioxanone) has high degree of crystallinity which limited it to copolymerize with other monomers to be used as controlled drug release materials.

11. Vinylidene chloride polymer resin composition and crystallinity influence on the copolymer characteristics were discussed, improving methods of latex performance were introduced.

12. The effect of the variation in crystallinity between adjacent layers on the photothermal signal amplitude is discussed in the paper.

13. The cathode bias potential mainly affects the crystallinity of the films.

14. The results showed that the content and the crystallinity of PE in PP/PE blend can be measured by infrared spectrum analysis.

15. This suggests that careful annealing at the appropriate temperature could produce samples with a high degree of crystallinity.

16. The more rapid the cooling, the finer the grain size and the poorer the crystallinity.

17. The effect of branching is to decrease the percentage crystallinity, broaden the melting range, and reduce the average melting temperature.

18. The crystalline structure of micronized starch was partially destroyed, part of the maltese cross was lost, the intensity of birefringence was weakened, and crystallinity was reduced significantly.

19. Generally it is very difficult to tackle the problems aroused from differences in crystallinity of clay minerals and preferred orientation in quantitative X-ray diffraction analysis of clay minerals.

20. Thus, acetanilide and adipic acid raise the percentage of chain - folded crystal and perfect PVC crystallinity.

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21. Solidus and liquidus temperatures of the rocks and relationship between crystallinity and crystallization temperature have been determined.

22. The composites cooled inside the hot-press machine has lower void content and higher crystallinity and tensile strength than that in the nature-cooling condit...

23. In pace with the raising of setting temperature , the crystallinity, degree of orientation and size of crystal grain will be increased, dye uptake rised, but the dyeing evenness declined.

24. XRD and SEM analysis revealed that the end-product of CPC was calcium deficient hydroxyapatite (CDHA) with low crystallinity.

25. The results showed that both the melt point and crystallinity of the copolymers decreased with the increase of neopentyl glycol content in copolymer.

26. Using infrared spectrum of heat stabilizers mechanism research shows that, after joining stabilizer, PVC crystallinity, stability.

27. The kinetic curves of reaction and the changes in crystallinity weresimultaniously determined in chlorination process for polyethylene.

28. XRD structural analysis shows that peak intensity of the annealed sample is greater than that of the unannealed one which demonstrated an increase of crystallinity.

29. X-ray diffraction techniques were used to measure the degree of crystallinity and the orientation of flax fiber during retting.

30. After hydrothermal treatment the phase changed to boehmite. The obtained product also has good crystallinity.

31. By means of WAXD and DSC et al. crystallinity, degree of orientation, unit cell parameters, tensile force of drawing, content of solvent, tenacity and modulus of the fibers were measured.

32. However, due to the high crystallinity, rigidness and roughness of ramie fiber, it had strong prickle.

33. IR analysis shows that the crystallinity index of the bleached pulp is lower than that of unbleached pulp.

34. The degree of crystallinity can be increased by annealing in an inert atmosphere.

35. Other types of cyclic units have reduced the degrees of crystallinity where they locate for not being excluded to amorphous region.

36. The results showed that the crystallinity of cotton fiber increased after being slightly oxidised , but decreased after being severely oxidised .

37. The influence of glass fiber, flame retardant and nucleating agent on the crystallinity and mechanical properties of polyethylene terephthalate (PET) was investigated.

38. The surface of flax fiber became rough and crystallinity decreased while increasing oxidized degree of flax fiber. The structure and properties of the proteinic oxidized flax fiber were studied.

39. The results showed that Fe atoms embed the framework of FeAPO-5 molecular sieve by isomorphous substitution and the crystallinity of FeAPO-5 molecular sieve exhibited good and grains were uniform.

40. With the rise of the coal rank, the crystallinity of kaolinite and its order in the anthracite bed go up.

41. The crystallinity of wet-spinning PAN precursor fibers gradually reduces during preoxidation process, while it gradually increases during carbonization process.

42. And the property of dripless of agricultural film had close relationship with resin crystallinity and VA content.

43. The undrawn MPPAN yarn has lower crystallinity and crystal size, fairly high mechanical strength...

44. The synthetic products have high crystallinity, purity and cation exchange capability.

45. A number of ways to improve the temperature of crystallization by copolycondensation is introduced, and the effect of copolycondensation technology on the crystallinity of PET was studied.

46. Polyurethane adhesive is made of 1,4-BDO, MDI and polycaprolactone glycol which is high crystallinity, very high crystallization velocity and large cohesive strength.

47. Microcrystalline starch is a kind of aggregate of microcrystal strand, crystalline lamellae or other crystal form with high crystallinity .

48. The results show that PHB/PET/VAter-polyester with vanillic acid has faster copolycondensation rate, lower melting temperature, typical thermotropic liquid crystallinity and better spinnability.

49. But if the heat treatment time was too long, the crystallinity and the storage modulus were decreased because of the disentanglement of some weak link.

50. The crystallinity and crystalline of CB/HDPE and CB/PP composites were studied in this paper,[] with the using of the X-ray diffraction (XD) and DSC.

51. The changes in T_c, T_m, degree of crystallinity, and parameters of unit cell, observed by DSC and WAXD, showed the presence of HDPE/LDPE cocrystallite.

52. The composition of volcanic glass gradually decreases Fe _ T , Mg and Ca with the increasing crystallinity.

53. The experiment results of crystallinity in some organic solvents showed that there was a strong tendency to spontaneous nucleation in the solution of OGO.

54. An organic crystal material dioctadecyl terephthalate(OTO) was prepared, and made the experiment of dioctadecyl terephthalate crystallinity in different organic solvents.

55. The polarized light microscope and differential scanning calorimetric measurement indicate: the lower the isotacticity the highter the crystallinity and the better the splerical crystal.

56. The PHB homopolymer is a stiff and rather brittle polymer of high crystallinity, whose mechanical properties are not unlike those of polystyrene, though it is less brittle.

57. Though dynamic photocrosslinking has a small effect on crystallization or melting temperature of PP, crystallinity of PP is lower than uncrosslinked blends.

58. Polyoxymethylene is an excellent thermoplastic for engineering with the nature of high crystallinity.

59. A research has been made on the effects of the grain size, crystallinity and quantity of crystal quartz in siliceous raw material on the burnability of cement raw meal.

60. Acetanilide and hexane diacid, potassium hydrogen phthalate could improve PVC crystallinity.

61. The crystallite size, degree of crystallinity and thermal properties of the at various temperatures have been studied by using WAXD and DSC.

62. In this method, the activation energy is reduced during deaminization and the deaminizating rate and the retention of zeolite crystallinity after deaminization are increased.