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33results about How to "Reduce the risk of accumulation" patented technology

Vertical microbiological detection chip

The invention relates to a vertical microbiological detection chip. The vertical microbiological detection chip includes a conveying channel bent and extended between a chip inlet and a chip outlet, and an accommodating cavity formed in a horizontal part of the conveying channel, the bottom of the accommodating cavity is provided with a side flow channel of which the outlet is communicated with anext stage horizontally-arranged distribution channel, and a vertically-arranged chip allows an excitation light source and a fluorescence detection element to be arranged on two sides of the chip, sothat the background interference of excitation light can be completely shielded; the inlet end and the outlet end of the side flow channel are respectively communicated with the bottom of the accommodating cavity and a next stage distribution channel, so that micro-droplets can be induced under the condition of not consuming continuous phase fluid; the side flow channel can be independently arranged on a structural layer, so that the induction effect of the filled accommodating cavity on droplets is reduced or even eliminated; polarization coatings with opposite polarization directions are coated on the outer sides of a chip cover plate layer and a substrate layer, therefore, a light path between the excitation light and the fluorescence detection element is completely blocked, meanwhile,external polarization elements arranged on two sides of the chip are cooperated, a light path between a fluorescence signal emitted from the side wall of the accommodating cavity and the fluorescencedetection element can be blocked, and signal fusion between adjacent fluorescence signal points is avoided.
Owner:杭州方略生物科技有限公司

Cleaning device for electronic parts and components

The invention relates to the technical field of processing of electronic parts and components, in particular to a cleaning device for the electronic parts and components. The cleaning device comprisesa box, a first fixed plate and a second fixed plate are sequentially arranged in the box from up to bottom, partition plates are correspondingly arranged on the left side and the right side of the top of the first fixed plate, a liquid outlet pipe is arranged on the rear side wall of the box, a valve is arranged on the liquid outlet pipe, a double-shaft motor is arranged at the bottom of an innercavity of the box, fixed blocks are correspondingly arranged on the left side and the right side of the double-shaft motor, connecting shafts are correspondingly connected to output shafts of the left end and the right end of the double-shaft motor, the connecting shafts correspondingly penetrate through the fixed blocks, transmission bevel gears are connected to the tail ends of the connecting shafts, and driven bevel gears are arranged on the upper parts of the transmission bevel gears in a meshing mode. The cleaning device of the electronic parts and components is novel in design and convenient to use, can reduce the risk of accumulation of the electronic parts and components, and improves the cleaning effect of the electronic parts and components; and in addition, the electronic partsand components are further convenient to take and place, and using of users is convenient.
Owner:JIANGSU FUTIAN ELECTRIC CO LTD

Sand discharge method and sand discharge system of cyclone grit chamber

The invention provides a sand discharging method and system for a rotational-flow grit chamber. The system comprises a plurality of sensors, at least one warning line, a data acquisition unit, a signal transmission unit, a control unit and a control execution unit, wherein: the warning line is arranged on the side wall of a sand hopper of the rotational-flow grit chamber, different warning lines have a different height relative to the bottom of the sand hopper; the sensors are arranged on the side wall of the sand hopper and are used to measure the distance between sandstone in the sand hopperand the warning lines; data measured by the sensors is collected by the data acquisition unit and is transmitted to the control unit through the signal transmission unit, and the control unit sets asand discharging condition, wherein the sand discharging condition is that the quantity of the distance between the sandstone in the sand hopper and the warning lines being less than a safety threshold value reaches a set number. When the sand discharging condition is achieved, the control unit sends an instruction to the control execution unit to perform sand discharging. The above system and method realize automatic discharging of sand, and are convenient, fast and highly reliable.
Owner:中冶生态环保集团有限公司

Power supply and beam control method based on four-quadrant phased-array antenna

The invention relates to a power supply and beam control method based on a four-quadrant phased-array antenna. The method comprises the steps of: converting a power supply connected to a power supply interface into a first group of power supplies, converting the power supply connected to the power supply interface into a second group of power supplies, converting the power supply connected to the power supply interface into a third power supply, adopting the third group of power supplies to supply power to a control main chip, converting the power supply connected to the power supply interface into a fourth power supply, converting the power supply connected to the power supply interface into a fifth power supply, and adopting a storage unit to store interaction instruction information of the control main chip, a T/R assembly, a signal processing part and a channel; and arranging a power supply management module to as to control the power supply duration of the control main chip, the T/R assembly, the signal processing part and the channel according to the working state of the phased-array antenna. Power supply is reasonably distributed, so that heat accumulation caused by overlong service time of parts on a mainboard is effectively prevented, and the service life of the mainboard and the service life of the parts on the mainboard are prolonged.
Owner:北京华科海讯科技股份有限公司

A vertical microbial detection chip

The invention relates to a vertical microbial detection chip, which comprises a conveying channel bent and extended between the inlet and the outlet of the chip and an accommodating cavity arranged at the horizontal part of the conveying channel, and an outlet is arranged at the bottom of the accommodating cavity to communicate with the next stage The side flow channel of the distribution channel arranged horizontally, the chip arranged vertically allows the excitation light source and the fluorescence detection element to be arranged on both sides of the chip, so that the background interference of the excitation light can be completely shielded; the inlet and outlet ends of the side flow channel are respectively connected to The bottom of the chamber and the lower-level distribution channel can realize the induction of micro-droplets without consuming the continuous phase fluid; the side flow channel can be set separately in the structural layer, thereby reducing or even eliminating the impact of the filled chamber on the droplet. Inductive effect; by coating a polarizing coating with opposite polarization directions on the outside of the chip cover layer and the substrate layer, the optical path between the excitation light and the fluorescence detection element is completely blocked, and at the same time, it is matched on both sides of the chip The provided external polarizing element can also block the optical path from the fluorescence signal emitted through the side wall of the accommodation cavity to the fluorescence detection element, so as to avoid signal fusion between adjacent fluorescence signal points.
Owner:杭州方略生物科技有限公司
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