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295 results about "Daughter" patented technology

A daughter is a female offspring- a girl or woman in relation to her parents. Daughterhood is the state of being someone's daughter. The male counterpart is a son. Analogously the name is used in several areas to show relations between groups or elements. The word daughter also has several other connotations attached to it, one of these being used in reference to female descendancy or consanguinity. It can also be used as a term of endearment coming from an elder.

Advanced geological prediction system and method for underground engineering construction

The invention provides an underground engineering construction advanced geological prediction system and a prediction method thereof which comprise earthquake wave receivers that are distributed in the underground construction tunnels and the arrangement method thereof, an earthquake wave collector and an earthquake wave data processing and analyzing system, wherein, the earthquake wave collector is formed by connecting a system motherboard and 16 collecting daughter boards in a way of inserting card, and the daughter boards are communicated with the system motherboard by connecting sockets to obtain electricity; the system motherboard comprises an SCM master-control circuit, a power, a power light, a serial port, a USB port and a wireless port; each collecting daughter board comprises a connecting socket used for connecting with the motherboard, and a field programmable gate array circuit FPGA; the earthquake receiver is a multi-component spatial receiver, which comprises a detector and a supporting carrier for the detector; the earthquake wave data processing and analyzing system is a computer in which an earthquake wave data processing and analyzing software is installed. The system can detect the shape of spatial 3D geologic body, improves the reliability and accuracy of construction advanced geological prediction, is used for underground engineering construction advanced geological prediction and applicable for various underground engineering excavations, furthermore, shot points and receivers of this system can be flexibly arranged.
Owner:BEIJING MUNICIPAL ENG RES INST

Targeted metabo lomics analysis method for determining metabolites of living body

The invention provides a targeted metabo lomics analysis method for determining metabolites of a living body. The targeted metabo lomics analysis method can simultaneously determine 700 main metabolites of a living body based on series connection of ultra-high performance liquid chromatography and triple quadrupole and comprises the following steps: firstly, 700 main metabolites in a living body are screened; standard products of compounds are optimized to obtain optimal parent ions, daughter ions and mass spectrography conditions of the metabolites; the metabolites in samples are extracted by methanol, acetonitrile and water; liquid chromatograph conditions are optimized; a hydrophilic interaction is adopted to separate the metabolites; the separated metabolites enters a mass spectrum; the 700 main metabolites are determined at the same time by use of a real-time scheduled multi-reaction monitoring mode with quick positive and negative polarity switching function; the metabolite differences between all the samples are analyzed via partial least square analysis; changes of the metabolic pathway are found by pathway enrichment analysis. The targeted metabo lomics analysis method remarkably increases the number of detected compounds, and greatly shortens the analysis time.
Owner:TIANJIN SUNNYPEAK BIOTECH CO LTD

Printed circuit board (PCB) combining and joining method and system

The present invention discloses a PCB combining and joining method. The method comprises the steps of S1 reading the daughter board information of orders, wherein the daughter board information comprises the respective areas, delivery quantities and attributes of the daughter boards; S2 comparing the daughter board information, screening the daughter boards of same attributes, and establishing a combining and joining rule database; S3 selecting the panels (PNL) satisfying requirements according to the combining and joining demands; S4 according to the PNL, determining the daughter boards which are combined and joined together from the daughter boards having the same attribute with the PNL, and carrying out typesetting. The present invention also discloses a PCB combining and joining system. The system comprises a reading module used for reading the daughter board information in the orders; the combining and joining rule database for storing the information of the screened daughter boards of same attribute; a PNL selecting module used for selecting the PNL satisfying requirements according to the combining and joining demands; and a combining and joining engine calculating module used for selecting the daughter boards according to a sequence from large to small, determining whether the daughter boards can be combined and joined, determining whether the typesetting is successful, determining the daughter boards which are combined and joined together finally, and carrying out the typesetting.
Owner:GUANGZHOU FASTPRINT CIRCUIT TECH +2

Method for detecting 43 types of medicines in blood by liquid chromatogram tandem mass spectrum

InactiveCN110531014AMeet the needs of drug safety supervisionReduce processing timeComponent separationRetention timeAntihypertensive drug
The invention belongs to the technical field of medicine detection, and particularly relates to a method for detecting 43 types of medicines in blood by liquid chromatogram tandem mass spectrum. Aiming at the problem of lack of a method capable of simultaneously detecting seven types of common poisons, eleven types of antihypertensive drugs, eleven types of hypoglycemic agents and fourteen types of psychiatric drugs in the prior art, the invention provides the method. The method comprises the following steps of (a) performing protein precipitation on a to-be-detected sample with acetonitrile;and (b) detecting a selected drug by a multi-reaction monitoring (MRM) mode of high performance liquid chromatography-tandem mass spectrometry, and mass spectrum screening analysis is performed in a segmented way according to compound retention time and by two or three pairs of parent ions/daughter ions. By the method, the screening analysis of 43 types of drugs such as common antihypertensive drugs, common hypoglycemic agents, psychiatric drugs and poisons can be rapidly and accurately completed within 25 minutes in one time, the detection efficiency is high, and the method is good in sensitivity and is suitable for promotion and application.
Owner:成都民用航空医学中心
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