Abstract: A mannose derivative is an isonitrile-containing mannose derivative of formula (I), including different linking groups X: A radioactive preparation is provided, including a radiolabeled compound formed by radiolabeling the mannose derivative with a radionuclide. An application of the radioactive preparation in the diagnosis and treatment of tumors is also provided.

Abstract: The disclosure provides a network equipment power supply and a heat dissipation system therefor. The heat dissipation system includes a liquid-cooling heat dissipation device and an air-cooling heat dissipation device. The liquid-cooling heat dissipation device includes a liquid inlet, a liquid outlet, and a liquid-cooling pipe between them, wherein liquid-cooling medium flows inside the liquid-cooling pipe and takes away heat generated by components arranged around the liquid-cooling pipe; The air-cooling heat dissipation device includes an air inlet, an air outlet, and an air-cooling channel between them, wherein airflow passes through the air-cooling channel and takes away heat generated by components arranged around the air-cooling channel.

Abstract: The disclosure provides a network equipment power supply and a heat dissipation system therefor. The heat dissipation system includes a liquid-cooling heat dissipation device and an air-cooling heat dissipation device. The liquid-cooling heat dissipation device includes a liquid inlet, a liquid outlet, and a liquid-cooling pipe between them, wherein liquid-cooling medium flows inside the liquid-cooling pipe and takes away heat generated by components arranged around the liquid-cooling pipe; The air-cooling heat dissipation device includes an air inlet, an air outlet, and an air-cooling channel between them, wherein airflow passes through the air-cooling channel and takes away heat generated by components arranged around the air-cooling channel.

Abstract: A rectification module includes a transformer, a connecting unit and a rectification unit. The transformer includes a first lateral region, a second lateral region and at least one secondary winding assembly. The second lateral region is located beside the first lateral region. The secondary winding assembly includes plural outlet ends. The plural outlet ends are arranged near the first lateral region. The connecting unit is located at the first lateral region, and includes plural conducting plates. Each of the conducting plates includes at least one opening and at least one connecting structure. The conducting plates are partially or completely stacked on each other. The outlet ends are accommodated within the corresponding openings. The conducting plates are fixed on the first lateral region. The connecting structures face the second lateral region. The rectification unit includes a circuit board and plural rectifier components.

Abstract: A rectification module includes a transformer, a connecting unit and a rectification unit. The transformer includes a first lateral region, a second lateral region and at least one secondary winding assembly. The second lateral region is located beside the first lateral region. The secondary winding assembly includes plural outlet ends. The plural outlet ends are arranged near the first lateral region. The connecting unit is located at the first lateral region, and includes plural conducting parts. Each of the conducting parts includes at least one opening and at least one connecting structure. The conducting parts are partially or completely stacked on each other. The outlet ends are accommodated within the corresponding openings. The conducting parts are fixed on the first lateral region. The connecting structures face the second lateral region. The rectification unit includes a circuit board and plural rectifier components.

Abstract: A manufacturing method of antireflection substrate structure includes: providing a silicon wafer having a first rough surface; forming an antireflection optical film on the silicon wafer, wherein the antireflection optical film conformally overlays the first rough surface; performing a surface treatment on the antireflection optical film so that the antireflection optical film has a hydrophilic surface, and the hydrophilic surface is relatively far away from the silicon wafer; dropping a colloidal solution on the hydrophilic surface of the antireflection optical film, wherein the colloidal solution includes a solution and multiple nano-balls and the nano-balls are adhered onto the hydrophilic surface; and performing an etching process on the hydrophilic surface of the antireflection optical film by taking the nano-balls as an etching mask so as to form a second rough surface, wherein the roughness of the second rough surface is different from the roughness of the first rough surface.

Abstract: The present invention provides a mutant with enhanced secretion of L-asparaginase and its application, which relates to the field of enzyme engineering. This invention successfully constructed a mutant with enhanced secretion of L-asparaginase through N-terminal deletion on amino acid sequence of L-asparaginase, and then expressed the mutant via a recombinant strain. Compared with the wild L-asparaginase, the secretion ability of L-asparaginase mutant in present invention significantly improves by 3.14 times compared to that of wild type. The recombinant strain that constructed in this prevention has an L-asparaginase yield of 407.6 U/mL and a production efficiency of 9.26 U/(mL/h), which reaches to the highest yield been reported.

Abstract: The present invention provides a novel method for ligating an adapter to a target polynucleotide and methods of generating a library of mate-pair polynucleotide constructs that employ such a ligation method. Libraries and arrays comprising mate-pair polynucleotide constructs, and methods of sequencing libraries and arrays comprising mate-pair polynucleotide constructs, are also provided.

Abstract: The present invention discloses a gas distribution structure for a distillation column. Pressure drop adjusting column tray assemblies are arranged in a left mass transfer region and a right mass transfer region along a column height direction.

Abstract: The present invention provides a mutant with enhanced secretion of L-asparaginase and its application, which relates to the field of enzyme engineering. This invention successfully constructed a mutant with enhanced secretion of L-asparaginase through N-terminal deletion on amino acid sequence of L-asparaginase, and then expressed the mutant via a recombinant strain. Compared with the wild L-asparaginase, the secretion ability of L-asparaginase mutant in present invention significantly improves by 3.14 times compared to that of wild type. The recombinant strain that constructed in this prevention has an L-asparaginase yield of 407.6 U/mL and a production efficiency of 9.26 U/(mL/h), which reaches to the highest yield been reported.

Abstract: A manufacturing method of antireflection substrate structure includes: providing a silicon wafer having a first rough surface; forming an antireflection optical film on the silicon wafer, wherein the antireflection optical film conformally overlays the first rough surface; performing a surface treatment on the antireflection optical film so that the antireflection optical film has a hydrophilic surface, and the hydrophilic surface is relatively far away from the silicon wafer; dropping a colloidal solution on the hydrophilic surface of the antireflection optical film, wherein the colloidal solution includes a solution and multiple nano-balls and the nano-balls are adhered onto the hydrophilic surface; and performing an etching process on the hydrophilic surface of the antireflection optical film by taking the nano-balls as an etching mask so as to form a second rough surface, wherein the roughness of the second rough surface is different from the roughness of the first rough surface.

Abstract: A manufacturing method of antireflection substrate structure includes: providing a silicon wafer having a first rough surface; forming an antireflection optical film on the silicon wafer, wherein the antireflection optical film conformally overlays the first rough surface; performing a surface treatment on the antireflection optical film so that the antireflection optical film has a hydrophilic surface, and the hydrophilic surface is relatively far away from the silicon wafer; dropping a colloidal solution on the hydrophilic surface of the antireflection optical film, wherein the colloidal solution includes a solution and multiple nano-balls and the nano-balls are adhered onto the hydrophilic surface; and performing an etching process on the hydrophilic surface of the antireflection optical film by taking the nano-balls as an etching mask so as to form a second rough surface, wherein the roughness of the second rough surface is different from the roughness of the first rough surface.

Abstract: A state cycling apparatus uses a capacitor instead of complicated and expensive microcontroller to fulfill a state cycling function of a system. The state cycling apparatus includes an internal circuit in the system connected to the capacitor. In a first embodiment, the internal circuit reads the voltage level on the capacitor at power on to determine a current state for the system, and writes the voltage level corresponding to a next state of the system to the capacitor. In a second embodiment, the system reads the state data stored in the internal circuit to determine a current state for the system at power on, the capacitor is charged during the system is under power on, and the capacitor provides power for the internal circuit to store a state data after the system is powered off.

Abstract: A state cycling apparatus uses a capacitor instead of complicated and expensive microcontroller to fulfill a state cycling function of a system. The state cycling apparatus includes an internal circuit in the system connected to the capacitor. In a first embodiment, the internal circuit reads the voltage level on the capacitor at power on to determine a current state for the system, and writes the voltage level corresponding to a next state of the system to the capacitor. In a second embodiment, the system reads the state data stored in the internal circuit to determine a current state for the system at power on, the capacitor is charged during the system is under power on, and the capacitor provides power for the internal circuit to store a state data after the system is powered off.

Abstract: A dimming circuit and method for a LED provide a first driving voltage or a second driving voltage according to a dimming signal provided by a functional IC to enable or disable the LED. The values of the first and second driving voltages are controlled so that overstressing of the LED is avoided while the functional IC is capable of working even when the LED is off. The LED's life time is thus prolonged.

Abstract: A state cycling apparatus uses a capacitor instead of complicated and expensive microcontroller to fulfill a state cycling function of a system. The state cycling apparatus includes an internal circuit in the system connected to the capacitor. In a first embodiment, the internal circuit reads the voltage level on the capacitor at power on to determine a current state for the system, and writes the voltage level corresponding to a next state of the system to the capacitor. In a second embodiment, the system reads the state data stored in the internal circuit to determine a current state for the system at power on, the capacitor is charged during the system is under power on, and the capacitor provides power for the internal circuit to store a state data after the system is powered off.

Abstract: A manufacturing method of antireflection substrate structure includes: providing a silicon wafer having a first rough surface; forming an antireflection optical film on the silicon wafer, wherein the antireflection optical film conformally overlays the first rough surface; performing a surface treatment on the antireflection optical film so that the antireflection optical film has a hydrophilic surface, and the hydrophilic surface is relatively far away from the silicon wafer; dropping a colloidal solution on the hydrophilic surface of the antireflection optical film, wherein the colloidal solution includes a solution and multiple nano-balls and the nano-balls are adhered onto the hydrophilic surface; and performing an etching process on the hydrophilic surface of the antireflection optical film by taking the nano-balls as an etching mask so as to form a second rough surface, wherein the roughness of the second rough surface is different from the roughness of the first rough surface.

Abstract: A dimming circuit and method for a LED provide a first driving voltage or a second driving voltage according to a dimming signal provided by a functional IC to enable or disable the LED. The values of the first and second driving voltages are controlled so that overstressing of the LED is avoided while the functional IC is capable of working even when the LED is off. The LED's life time is thus prolonged.