Abstract: A polyethylene glycol-drug conjugate and a use thereof, specifically relating to a polyethylene glycol-drug conjugate as shown in formula A, a stereoisomer thereof or a pharmaceutically acceptable salt thereof; an intermediate for the preparation of the polyethylene glycol-drug conjugate, the stereoisomer thereof or the pharmaceutically acceptable salt thereof; a pharmaceutical composition containing the polyethylene glycol-drug conjugate, the stereoisomer thereof or the pharmaceutically acceptable salt thereof; and a use of the polyethylene glycol-drug conjugate, the stereoisomer thereof or the pharmaceutically acceptable salt thereof in the preparation of a drug.

Abstract: Disclosed are a polyethylene glycol conjugate drug, and a preparation method therefor and the use thereof. Specifically, the present invention relates to a polyethylene glycol conjugate drug represented by formula A or a pharmaceutically acceptable salt thereof, a method for preparing the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof, an intermediate for preparing the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof, and the use of the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof in the preparation of a drug.

Abstract: The present invention relates to the technical field of medicines, and relates to a polyethylene glycol conjugated drug, a preparation method therefor and the use thereof. In particular, the present invention relates to a polyethylene glycol conjugated drug as shown in formula I or a pharmaceutically acceptable salt thereof. The present invention also relates to a method for preparing the polyethylene glycol conjugated drug or the pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the polyethylene glycol conjugated drug or the pharmaceutically acceptable salt thereof, and the use thereof in the preparation of a drug.

Abstract: A polyethylene glycol conjugate drug synergist, a preparation method therefor, and use thereof, specifically relating to a polyethylene glycol conjugate drug synergist as shown in formula I or a pharmaceutically acceptable salt thereof, a preparation method for the polyethylene glycol conjugate drug synergist or the pharmaceutically acceptable salt thereof, an intermediate for preparing the polyethylent glycol conjugate drug synergist or the pharmaceutically acceptable salt thereof, a composition containing the polyethylene glycol conjugate drug synergist or the pharmaceutically acceptable salt thereof, and use of the polyethylene glycol conjugate drug synergist or the pharmaceutically acceptable salt thereof in preparation of a drug.

Abstract: The present invention relates to a polyethylene glycol conjugate medicament, a preparation method therefor and use thereof, and in particular relates to a polyethylene glycol conjugate medicament represented by formula (I) or a pharmaceutically acceptable salt thereof. The present invention also relates to a method for preparing the polyethylene glycol conjugate medicament or a pharmaceutically acceptable salt thereof, and an intermediate of the same, a pharmaceutical composition comprising the polyethylene glycol conjugate medicament or a pharmaceutically acceptable salt thereof, and use thereof in preparing a medicament.

Abstract: The present invention relates to the technical field of medicines, and relates to a polyethylene glycol conjugated drug, a preparation method therefor and the use thereof. In particular, the present invention relates to a polyethylene glycol conjugated drug as shown in formula I or a pharmaceutically acceptable salt thereof. The present invention also relates to a method for preparing the polyethylene glycol conjugated drug or the pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the polyethylene glycol conjugated drug or the pharmaceutically acceptable salt thereof, and the use thereof in the preparation of a drug.

Abstract: The present invention relates to a polyethylene glycol conjugate medicament, a preparation method therefor and use thereof, and in particular relates to a polyethylene glycol conjugate medicament represented by formula (I) or a pharmaceutically acceptable salt thereof. The present invention also relates to a method for preparing the polyethylene glycol conjugate medicament or a pharmaceutically acceptable salt thereof, and an intermediate of the same, a pharmaceutical composition comprising the polyethylene glycol conjugate medicament or a pharmaceutically acceptable salt thereof, and use thereof in preparing a medicament.

Abstract: The disclosure relates to the technical field of medicine, specifically to a polyethylene glycol conjugated drug, a preparation method therefor and use thereof, and relates in particular to a polyethylene glycol conjugated drug represented by formula (I) or a pharmaceutically acceptable salt thereof. The disclosure further relates to a method for preparation of the polyethylene glycol conjugated drug or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the polyethylene glycol conjugated drug or a pharmaceutically acceptable salt thereof, and use of the polyethylene glycol conjugated drug or a pharmaceutically acceptable salt thereof in preparation of a medicament.

Abstract: The disclosure relates to the technical field of medicine and in particular to a polyethylene glycol conjugated drug of formula I or a pharmaceutically acceptable salt thereof. The disclosure further relates to a method for preparation and an intermediate of the polyethylene glycol conjugated drug or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the polyethylene glycol conjugated drug or a pharmaceutically acceptable salt thereof, and use of the polyethylene glycol conjugated drug or a pharmaceutically acceptable salt thereof in preparation of a medicament.

Abstract: A method and a device for increasing a laser induced shock wave pressure. According to the method, plasmas (21) are generated by impinging an aluminium foil (20) using lasers; a high-voltage pulse electrode (22) discharges to the plasmas (21) to induce and form a photoelectric combined energy field and then high-temperature plasmas (21) having the characteristics of an ultra-high density and an ultra-high speed expansion are induced and generated; a surface to be processed is impacted by the high-temperature plasmas (21) in a restrained state; the laser induced shock wave pressure is increased substantially; the surface of a high-strength material is reinforced, and the strength, hardness, abrasion resistance and anti-fatigue performances of the high-strength material are improved. The device comprises a laser, the electrode (22), a high-voltage power supply (4), a discharging medium (12), a moving platform, etc.

Abstract: A method and a device for increasing a laser induced shock wave pressure. According to the method, plasmas (21) are generated by impinging an aluminium foil (20) using lasers; a high-voltage pulse electrode (22) discharges to the plasmas (21) to induce and form a photoelectric combined energy field and then high-temperature plasmas (21) having the characteristics of an ultra-high density and an ultra-high speed expansion are induced and generated; a surface to be processed is impacted by the high-temperature plasmas (21) in a restrained state; the laser induced shock wave pressure is increased substantially; the surface of a high-strength material is reinforced, and the strength, hardness, abrasion resistance and anti-fatigue performances of the high-strength material are improved. The device comprises a laser, the electrode (22), a high-voltage power supply (4), a discharging medium (12), a moving platform, etc.