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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 17. Отображено 17.
04-07-2023 дата публикации

Dustproof unloading mechanism of unloading vehicle

Номер: CN116374675A
Принадлежит:

The invention discloses a discharging mechanism of a discharging car with a dustproof function, relates to the related technical field of discharging cars, solves the technical problem of inconvenience in rapid dust removal, and comprises a discharging table, a conveying belt is rotatably mounted on the top surface of the discharging table, and a discharging cover is slidably mounted on the side, close to the conveying belt, of the discharging table. Two supporting rods are fixedly installed on the discharging cover, a discharging wheel is rotatably installed between the two supporting rods, a dustproof assembly is arranged on the discharging cover, a dustproof plate is arranged on the side, away from the discharging cover, of each supporting rod, and a rapid dust removal water tank is fixedly installed on the side, away from the discharging table, of the discharging cover. A water pump is fixedly mounted on the side, away from the dustproof plate, of the rapid dust removal water tank, ...

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15-09-2004 дата публикации

基于调Q脉冲激光的多光子激发荧光方法

Номер: CN0001166939C
Принадлежит:

... 本发明属于一种基于调Q纳秒脉冲激光的多光子激发方法。是将调Q技术与多光子激发相结合,实现基于调Q脉冲激光的多光子激发。其实现多光子激发荧光的步骤为:1)采用调Q技术获得高峰值功率的脉冲激光,脉冲宽度为纳秒量级;2)利用调Q脉冲激光激发用荧光探针标记的或能够产生自发荧光的生物样品,产生多光子激发荧光。本发明可用于生物和医学等学科的研究。 ...

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30-06-2023 дата публикации

Method and system for estimating FRET sensitization channel super-resolution SIM image reconstruction parameters

Номер: CN116362970A
Принадлежит:

The invention discloses a method and a system for estimating super-resolution SIM image reconstruction parameters of an FRET sensitization channel. The method comprises the following steps: acquiring an FRET three-channel original image data set modulated by structured light and an optical transfer function (OTF) of the FRET three-channel original image data set; fRET three-channel broadened frequency spectrum images are obtained through Fourier transform and frequency spectrum shift, and reconstruction parameters of DD, DA and AA channel image groups are obtained from the FRET three-channel broadened frequency spectrum images; replacing the structured light illumination frequency vector of the DA channel with the structured light illumination frequency vector in the reconstruction parameters of the DD channel image group; acquiring an initial phase and a modulation depth of the DA channel image group by using a complex linear regression algorithm containing empirical mode decomposition ...

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11-07-2023 дата публикации

Pressure self-calibration and calibration system based on deep learning piecewise linearization

Номер: CN116412959A
Принадлежит:

The invention relates to the technical field of sensors, in particular to a pressure self-calibration and calibration system based on deep learning piecewise linearization. The device comprises a shell, a touch control PC is fixed to one end of the shell, a start key, a stop reset key and an operation alarm lamp are arranged at the position, located below the touch control PC, of one end of the shell, and a plurality of signal input jacks are evenly distributed and fixed to the position, located below the operation alarm lamp, of one end of the shell. And a control mechanism is assembled on the inner side of the shell. The PLC is used as a master controller, the ADC module and the DAC module are expanded, the integration of'air pressure regulation-signal acquisition-data processing 'of the air pressure sensor is realized by matching an Ethernet protocol with software control of the touch PC and a PID air pressure loop control system, and the device belongs to a brand-new automatic sensor ...

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24-11-2010 дата публикации

Likelihood ratio test error detection method

Номер: CN0101894215A
Принадлежит:

The invention discloses a likelihood ratio test error detection method and relates to an application of an artificial intelligent technology in traditional Chinese medicine. The invention provides the likelihood ratio test error detection method based on probability integral transform. The invention provides an analysis tool with accurate and high-efficient prediction, the simulation experiments show that the method can be used for usual small samples; if the P value conclusion obtained by the likelihood ratio test is inconsistent with the appearance of a one-way ordinal contingency table, the P value error needs to be amended according to a 0.074 calibration parameter of the probability integral transform, thereby leading the P value conclusion to be consistent with the appearance of the one-way ordinal contingency table. The invention provides a tail prediction test method which is widely applicable to assess the prediction, and the method can evaluate the distribution of the whole prediction ...

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06-08-2003 дата публикации

Spectrum identifying resin microball capable of self-coding

Номер: CN0001434284A
Принадлежит:

The invention discloses a self-coding spectrum identifying resin micro-ball, mainly composed of the basic monomer, the copolymerization monomer for character coding and the active group copolymerizatino monomer. The basic monomer is phenethylene or its alkyl substituted homologen, the copolymerization monomer is at least a kind of phenethylene homologen different from the basic monomer, and the weight percentage of the basic monomer is higher than that of each copolymerization monomer. It makes the character coding on the infrared and Raman absorption spectrum of the different chemical components of the solid-phase carrier resin micro-ball, which integrates the coding process into the chemical synthetizatino of the solid-phase carrier.

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24-08-2005 дата публикации

Fluorescence correlation spectral detection method and device for transgenosis material

Номер: CN0001657916A
Принадлежит:

The invention relates to a fluorescence related spectrum detecting method and its device for transgenic plant, grain. The method is using dual-gene fluorescence probes, direct detecting the non PCR expansion of the transgenic series. It feature is that the sample do not need to take the PCR expansion process, the dual-gene fluorescence probes directly cross-breeding with the object fragment in the DNA sample and test the fluorescence related spectrum so to judge if the transgenic content exists or not. The device consists of laser machine, light screen, dichroic mirror, pinholes, microscope objective, sample pool, optic fiber, avalanche diode, related card, and computer. The invention is of high detecting sensitivity, safe, fast, exact, and handily operation.

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17-10-2001 дата публикации

Multi-photon stimualting fluorescence method based on Q-regulating pulse laser

Номер: CN0001317688A
Принадлежит:

A multi-photon fluorescence stimulation method based on Q-regulating pulse laser includes uisng Q-regulating technique to obtain ns-class pulse laser with high power peak, and using Q-regulating pulse laser to stimulate the biological specimen labelled by fluorescent probe or able to generate fluorescence by itself, to generate multi-photon stimulated fluorescence.

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18-11-2009 дата публикации

Photobleaching-based method for quantitatively measuring fluorescence resonance energy efficiency

Номер: CN0101581669A
Принадлежит:

The invention relates to a method for measuring conversion efficiency of fluorescence resonance energy, in particular to a photobleaching-based method for quantitatively measuring fluorescence resonance energy efficiency. In the method, the fluorescence resonance energy efficiency is calculated by acquiring the average fluorescence intensity of a donor channel and donee channel before and after the photobleaching in living cells transfected with donor-donee pair with a laser confocal microscopy before and after the photobleaching of the donor. The method can effectively solve the problem that the living cells are damaged seriously by the conventional photobleaching method of donee due to the overlong time of photobleaching. By the method, FRET efficiency can be obtained quantitatively by only bleaching small part of donee so as to quantitatively monitor the interactions between the proteins of the living cells. Because of the short time only in the order of seconds, the method can reduce ...

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27-08-2021 дата публикации

Construction progress model for water conservancy project management

Номер: CN214068144U
Принадлежит: CHEN TONGSHENG, 陈统升

The utility model provides a construction progress model for water conservancy project management, which belongs to the technical field of water conservancy projects and comprises a bottom plate, a placement box is fixedly connected to the middle of the upper surface of the bottom plate, and a cross partition plate is fixedly connected to the inner bottom wall of the placement box. A sleeve column is fixedly connected to the side, close to the containing box, of the upper surface of the bottom plate. According to the construction progress model for water conservancy project management, through arrangement of limiting holes, limiting rods, clamping pieces and rubber pads, the limiting rods in the limiting holes are pulled out to enable supporting rods to stretch out and draw back in sleeve columns, the height of the device is adjusted, the clamping pieces are connected with springs in grooves through sliding blocks, and the construction progress model can be reinforced; a user can conveniently ...

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14-11-2001 дата публикации

Method for quantitatively measuring transferring efficiency of fluorescence resonance energy

Номер: CN0001321883A
Принадлежит:

The present invention belongs to a measurement method for measuring interaction of donor and acceptor and their energy resonance transfer efficiency. Said method can be extensively used in the fieldsof biology, medicine, optics, physics and chemistry, and includes the following steps: 1) selecting proper filter according to emission spectrums of donor and acceptor; 2). according to their emission spectrums making calculation to obtain coefficients of Kd1, Kd2, Ka1 and Ka2; 3). using excitation light to selectively excite donor; 4). measuring fluorescence intensities of two channels and making calculation to obtain ratio value Ratio; 5). substituting Ratio into formula (a) and calculating to obtain fluorescence resonance energy transfer efficiency E; and 6). substituting E into another formula (b) and calculating to obtain distance between donor and acceptor.

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29-09-2010 дата публикации

Photobleaching-based method for quantitatively measuring fluorescence resonance energy efficiency

Номер: CN0101581669B
Принадлежит:

The invention relates to a method for measuring conversion efficiency of fluorescence resonance energy, in particular to a photobleaching-based method for quantitatively measuring fluorescence resonance energy efficiency. In the method, the fluorescence resonance energy efficiency is calculated by acquiring the average fluorescence intensity of a donor channel and donee channel before and after the photobleaching in living cells transfected with donor-donee pair with a laser confocal microscopy before and after the photobleaching of the donor. The method can effectively solve the problem thatthe living cells are damaged seriously by the conventional photobleaching method of donee due to the overlong time of photobleaching. By the method, FRET efficiency can be obtained quantitatively by only bleaching small part of donee so as to quantitatively monitor the interactions between the proteins of the living cells. Because of the short time only in the order of seconds, the method can reduce ...

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07-10-2009 дата публикации

Method for quantitatively measuring transferring efficiency of fluorescence resonance energy by utilizing fluorescence spectrum fitting

Номер: CN0101551332A
Принадлежит:

The present invention relates to method for measuring transferring efficiency of fluorescence resonance energy, particular providing a method for quantitatively measuring transferring efficiency of fluorescence resonance energy by utilizing fluorescence spectrum fitting. Steps of the method includes first measuring and obtaining fluorescence-emission spectrum of donor-receptor inside cells; and then utilizing fluorescence-emission spectrum of normalized donor and receptor to obtain fitting fluorescence spectrum of donor-receptor; at last calculating transferring efficiency of fluorescence resonance energy at the closest of experiment optical spectrum and fitting optical spectrum. Through method of the invention, being able to resolve problems of difficult quantitatively measure of FRET efficiency caused by spectroscopic excitation crossfire and transmission crossfire effectively, consequently can monitoring activate degree of protein and reciprocity among proteins in live cells more accurately ...

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15-08-2023 дата публикации

Excitation light intensity automatic calibration device and method for quantitative FRET imaging

Номер: CN116593427A
Принадлежит:

The invention discloses an exciting light intensity automatic calibration device and method for quantitative FRET imaging. The device comprises an FRET multi-wavelength beam combining light source, a light beam splitting device, a light intensity detector, a lower computer and an upper computer. The FRET multi-wavelength beam combining light source is used for generating exciting light of a donor channel and an acceptor channel in the FRET microscopic imaging process, the light beam splitting device is used for splitting the exciting light, the light intensity detector is used for detecting partial light intensity of the exciting light of the acceptor in a light splitting light path, and the lower computer completes channel selection and light intensity control by receiving an instruction of the upper computer. And the upper computer is used for collecting and processing the excitation light intensity information of the channel sent by the light intensity detector, and sending a compensation ...

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25-08-2023 дата публикации

Rapid multicolor imaging method based on fluorescent probe dual-channel brightness coding

Номер: CN116642864A
Принадлежит:

The invention discloses a rapid multicolor imaging method based on fluorescent probe dual-channel brightness coding, the method is based on a dual-channel multicolor fluorescent microscopic imaging system, and the method comprises the following steps: S1, determining the characteristics of the dual-channel multicolor fluorescent microscopic imaging system and the spectral characteristics of each optical element; s2, system devices are analyzed, the system is divided into an excitation light path and an emission light path, and the devices in the light paths are coded; s3, coding according to the actual brightness of different fluorescent probes in the system under each excitation wavelength; s4, screening a fluorescent probe supported by the system; s5, judging whether the fluorescent probe meets two-color simultaneous imaging and time-sharing imaging or not; and S6, according to the brightness codes, matching a fluorescent probe combination to realize multicolor imaging. Whether the brightness ...

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04-08-2023 дата публикации

Super-resolution FRET imaging method and system based on TV-SIM reconstruction and medium

Номер: CN116542852A
Принадлежит:

The invention discloses a super-resolution FRET (Fluorescence Resonance Energy Transfer) imaging method and system based on TV-SIM (Television-Subscriber Identity Module) reconstruction and a medium. The method comprises the following steps of: modulating donor and receptor samples through structured light to obtain a three-channel original image data set; fourier transform is used to convert the three-channel original image data set from a spatial domain to a frequency domain, and a corresponding frequency spectrum in the frequency domain is extracted; performing parameter estimation to obtain a wave vector, a modulation depth and an initial phase of the structured light; performing frequency spectrum separation and frequency spectrum shifting, performing frequency spectrum fusion based on iterative deconvolution of a total variation regular term, and performing inverse Fourier transform to obtain three-channel super-resolution image data in a spatial domain; and carrying out data processing ...

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17-03-2004 дата публикации

定量测量荧光共振能量转移效率的方法

Номер: CN0001142423C
Принадлежит:

... 本发明属于一种可作为生物、医学、光学、物理、化学等学科类的科研与检测,测量供体―受体的相互作用及其能量共振转移效率的测量方法。1)根据供体受体的发射谱选择适当的滤光片;2)根据供体受体的发射谱计算得到系数K#-[d1],K#-[d2],K#-[a1]和K#-[a2];3)用激发光选择性地激发供体;4)测量两个通道的荧光强度计算得到比值Ratio;5)将Ratio代入公式(a)计算得到荧光共振能量转移效率E;6)将E代入公式(b)计算得到供体受体间的距离r。 ...

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