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31. The radiation effect on poly (methyl methacrylate) with different tacticities was studied. It was proposed that chain scission process was in a kinetic equilibrium between scission and recombination.

32. Poly (o-phenylenediamine) is an important type of aromatic amine polymers, which possess new multiple functionalities owing to the amine and secondary amino groups in the polymer chain.

33. Acrylic resin ( ACR ), as an impact modifier for R - PVC, was synthesized by latex interpenetrating poly - mer network technique.

34. The dropwise condensation (DWC) of water vapour has been achieved on the ultra thin poly(HFP) film coated on copper tube surfaces which has been prepared by the technique of plasma polymerization.

35. The solubility, dielectric constant, and dissipation factor of the polymer were improved alter acetyl substitution of poly(p-xylylene).

36. Diaphragm under different liquids were used NBR, chloroprene rubber, fluorine rubber, PTFE, poly ethylene 46.

37. Poly(vinylidene chloride)(PVDC) film has been widely used in meat food packaging.

38. Methods . The implants for partial disc replacements were made of poly ( vinyl alcohol ) hydrogel and rod - shaped.

39. Poly - glycolic acid was provided by Albany Company, USA.

40. Membrane utilized for endotoxin removal namely chitosan affinity membrane was prepared by using Poly(vinylidene fluoride) (PVDF) hollow fiber membrane as support.

41. The ability of amphiphilic block copolymers that consist of polyethylenimine (PEI) and poly(L-lactide) (PLLA) to modulate the delivery of plasmid DNA was evaluated.

42. I got 16 in O level exam. I will study Accountancy in Nan Yang Poly. Mr. Xu, Thank u for teach me Maths and English.

43. A high-molecular-weight poly (phenyl sulfide) (HMWPPS) resin was prepared from sulfur and p-dichlorobenzene in polar organic solvent, with 6-amino-caproic acid and its sodium caproate as catalyst.

44. Physical properties: a single scattering holes, including gum sediments, tylosis rich, catheter and ray pits between small, axial parenchyma as paratracheal type, main poly of, ribbon is also common.

45. Objective To study the effect of anti-mutation of Chinese medicinal herb Poly gala tenui folia willd on T lymphocyte proliferation in spleen.

46. The coating film contained a biocompatible semipermeable material, cellulose acetate, and a water soluble pore-forming agent, poly(ethylene glycol).

47. Objective:To investigate the perioperative nursing intervention of the nasal poly endoscopic surgery for chronic sinusitis or rhinopolypus.

48. In this paper the chemical reaction of poly (vinyl pyridine) was studied and the polyelectrolytes CAPVP containing zwitterion structure units were synthesized.

49. Due to current economic conditions and overcapacity for LDPE in the North American marketplace, Dow Chemical is to close its Poly 2 LDPE plant in Freeport [Sentencedict], Texas.

50. A series of amino acid ester substituted and mixed-substituted polyphosphazenes have been prepared by nucleophilic substitution of poly(dichlorophosphazene) with various amino acid esters .

51. The synthesis of benzyl chloroformate was studied And its applications in poly peptide synthesis was introduced.

52. Poly(L lactide)(PLLA) has been synthesized by ring opening polymerization of L lactide(L LA) initiated with stannous octoate and ultrasound radiation.

53. Two new derivatives of 4 - dicyanomethylene - 2 , 6 - dimethyl - 4 H - pyran and the corresponding poly ( amic acid ) were synthesized and characterized.

54. Based on the latest literatures, the synthetic methods and the molecular chain structure of poly(o-phenylenediamine) were systematically reviewed and compared in details in this paper.

55. Using HV single poly single metal(SPSM) CMOS DMOS(CD) technology developed by us, we experiment on a 1000V 3-phase power MOS gate driver circuit with C level shift structure successfully.

56. The obtained characteristic ratio of mean-square radius of gyration and its temperature coefficients for the long Poly(dimethylsilylene)chains with side groups approach the asymptotic value of 2.

57. The product made by putting the poly silicic acid which is polymerized with soluble glass into poly iron has better flocculation effect and is cheaper in price.

58. The dynamic rheological behavior and non-isothermal cold crystallization of poly(ethylene terephthalate)(PET)were studied to reflect the disentanglement effect of the pulsatile extrusion flow field.

59. Poly (Ethylene Glycol) Supported (Diacetoxy) Iodobenzene in the Synthesis of 1,3,4-Oxadiazoline Derivatives.

60. The small poly, the physical and mental relaxation is his joy and comfort, in addition to a friendship, not including other into account, interest earned, comfortable and satisfied leaving.