Abstract: Provided in the present invention are a di-substituted maleic amide linker conjugated to an antibody and a preparation method and use thereof. In particular, the present invention conjugates a strongly cytotoxic active substance to a biomacromolecule through a class of new linkers. The class of linkers can selectively act simultaneously with disulphide chains, so as to greatly improve the substance homogeneity of a conjugate. The conjugate prepared by the linker of the present invention has a high inhibitory activity on a cell strain expressing the corresponding antigen. Also provided is a method for preparing the above-mentioned conjugate and the use.

Abstract: Provided in the present invention are a di-substituted maleic amide linker conjugated to an antibody and a preparation method and use thereof. In particular, the present invention conjugates a strongly cytotoxic active substance to a biomacromolecule through a class of new linkers. The class of linkers can selectively act simultaneously with disulphide chains, so as to greatly improve the substance homogeneity of a conjugate. The conjugate prepared by the linker of the present invention has a high inhibitory activity on a cell strain expressing the corresponding antigen. Also provided is a method for preparing the above-mentioned conjugate and the use.

Abstract: An electromagnetic dipole antenna designed in the present invention includes an antenna radiating unit and a metal ground, where the antenna radiating unit mainly includes vertical electric dipole and horizontal magnetic dipole, where the vertical electric dipole and the horizontal magnetic dipole jointly form an electromagnetic coupling structure. The antenna has advantages of small size, low profile, and the like.

Abstract: Embodiments of the present invention disclose a feeding network, and the feeding network includes: a first balun device of a first feeding subnetwork, where the first balun device is connected to a PCB positive 45-degree polarized port, which results in an equal amplitude and a 180-degree phase difference of signals at the first positive 45-degree polarized output port and the second positive 45-degree polarized output port; and a second balun device of a second feeding network, where the second balun device is connected to a PCB negative 45-degree polarized port, which results in an equal amplitude and a 180-degree phase difference of signals at the first negative 45-degree polarized output port and the second negative 45-degree polarized output port. The feeding network in the embodiments has a relatively small size and can cover multiple frequency bands.

Abstract: Embodiments of the present invention disclose a feeding network, and the feeding network includes: a first balun device of a first feeding subnetwork, where the first balun device is connected to a PCB positive 45-degree polarized port, which results in an equal amplitude and a 180-degree phase difference of signals at the first positive 45-degree polarized output port and the second positive 45-degree polarized output port; and a second balun device of a second feeding network, where the second balun device is connected to a PCB negative 45-degree polarized port, which results in an equal amplitude and a 180-degree phase difference of signals at the first negative 45-degree polarized output port and the second negative 45-degree polarized output port. The feeding network in the embodiments has a relatively small size and can cover multiple frequency bands.

Abstract: An electromagnetic dipole antenna designed in the present invention includes an antenna radiating unit and a metal ground, where the antenna radiating unit mainly includes vertical electric dipole and horizontal magnetic dipole, where the vertical electric dipole and the horizontal magnetic dipole jointly form an electromagnetic coupling structure. The antenna has advantages of small size, low profile, and the like.

Abstract: A method for determining the minimum measurement distance of an antenna of a wireless mobile terminal, comprising the following steps: establishing a test environment of an antenna of a wireless mobile terminal to be tested; determining electromagnetic scattering dimension of the antenna of the wireless mobile terminal to be tested and an electromagnetic scattering body in a predetermined spatial area in the test environment; and calculating the minimum measurement distance of the antenna of the wireless mobile terminal according to the determined electromagnetic scattering dimension. Electromagnetic scattering dimension of the mobile phone antenna and the electromagnetic scattering body in the predetermined spatial area is determined and measured in a simulated network environment in an electric wave anechoic chamber, and parameters of the minimum measurement distance of the mobile phone antenna can be calculated and obtained.

Abstract: A method of wired connection measuring the standby time of a CDMA mobile terminal, connects the CDMA mobile terminal with network emulator, and places them in the network test environment, then measures the standby current, voltage and electric quantity at standby time of the mobile terminal, thereby calculates the standby time of the mobile terminal. This method needs low test environment, and testing is simple and rapidly.

Abstract: A method for determining the minimum measurement distance of an antenna of a wireless mobile terminal, comprising the following steps: establishing a test environment of an antenna of a wireless mobile terminal to be tested; determining electromagnetic scattering dimension of the antenna of the wireless mobile terminal to be tested and an electromagnetic scattering body in a predetermined spatial area in the test environment; and calculating the minimum measurement distance of the antenna of the wireless mobile terminal according to the determined electromagnetic scattering dimension. Electromagnetic scattering dimension of the mobile phone antenna and the electromagnetic scattering body in the predetermined spatial area is determined and measured in a simulated network environment in an electric wave anechoic chamber, and parameters of the minimum measurement distance of the mobile phone antenna can be calculated and obtained.

Abstract: A method of wired connection measuring the standby time of a CDMA mobile terminal, connects the CDMA mobile terminal with network emulator, and places them in the network test environment, then measures the standby current, voltage and electric quantity at standby time of the mobile terminal, thereby calculates the standby time of the mobile terminal. This method needs low test environment, and testing is simple and rapidly.

Abstract: The present invention relates to a method for measuring the power consumption time of a CDMA mobile terminal, and the method comprises the steps of wire-connecting a terminal to be measured with a CDMA network simulator; measuring the standby power consumption time of said terminal to be measured in standby mode, and calculating a normalized power consumption time length TIdle of the standby power consumption time to specified battery capacity; and measuring the operating power consumption time of said terminal to be measured in operating mode, and calculating a normalized power consumption time TNormal of the operating power consumption time to specified battery capacity.

Abstract: An embedded antenna for a mobile terminal, comprising a conductor unit (101), including a PCB, and having a metal-layer-stripped region on its top; an antenna unit (102), including a PCB, being vertically connected to the metal-layer-stripped region on top of said conductor unit, and having a ground pin (204) and a feed pin (205) to be connected to circuits within said mobile terminal; a parasitic unit (103), with one end being attached to said antenna unit, and another end being apart from and in parallel to said antenna unit. The antenna has very small size, is efficiently operative on the frequency bands of GSM900 and DCS1800, and has a moderate gain and a lower SAR.

Abstract: An embedded antenna for a mobile terminal, comprising a conductor unit (101), including a PCB, and having a metal-layer-stripped region on its top; an antenna unit (102), including a PCB, being vertically connected to the metal-layer-stripped region on top of said conductor unit, and having a ground pin (204) and a feed pin (205) to be connected to circuits within said mobile terminal; a parasitic unit (103), with one end being attached to said antenna unit, and another end being apart from and in parallel to said antenna unit. The antenna has very small size, is efficiently operative on the frequency bands of GSM900 and DCS1800, and has a moderate gain and a lower SAR.