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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 36. Отображено 36.
25-04-2023 дата публикации

Catalyst for preparing aromatic hydrocarbon by dehydrogenation of six-membered cycloalkane and preparation method thereof

Номер: CN115999591A
Автор: ZANG GAOSHAN, WANG JIAXIN, WANG TAO, ZHOU XINTONG, ZHANG YUHONG, DING JING
Принадлежит:

The invention relates to a six-membered cycloalkane dehydrogenation aromatic hydrocarbon preparation catalyst, which comprises a sulfate radical-containing alumina carrier and the following components calculated on the basis of alumina: 0.05 to 3.0 mass percent of VIII group metal, 0.05 to 3.0 mass percent of VIIB group metal, 0.05 to 1.0 mass percent of Tm or Sm, 0.1 to 3.0 mass percent of halogen, and 0.5 to 1.5 mass percent of sulfate radical. The catalyst is used for six-membered cycloalkane dehydrogenation aromatic hydrocarbon preparation reaction, and has high aromatic hydrocarbon selectivity and activity stability and good regeneration performance.

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Номер записи: 1
16-05-2023 дата публикации

Fault identification method and device, monitoring terminal and readable storage medium

Номер: CN116132935A
Автор: ZHANG YUHONG, KONG LINGJUN, GAO QIANG, GUO CAO
Принадлежит:

The invention provides a fault identification method and device, a monitoring terminal and a readable storage medium. The method comprises the following steps: sending a state information acquisition request to a server under the condition that the time when a sensor signal is not acquired reaches a preset duration; receiving state information, sent by the server, of an Internet of Things card installed on the monitoring terminal; and determining whether the fault type is a communication fault or a sensor fault according to the state information of the Internet of Things card. According to the invention, the reliability of fault identification can be improved.

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Номер записи: 2
23-05-2023 дата публикации

Method and system for analyzing dynamic characteristics of induction motor

Номер: CN116155156A
Автор: ZHANG YANTAO, ZHANG YUHONG, WANG XUEQIONG, GE LEIJIAO, HE JINGBO, CHEN QIYU, YE JIAN, SHANG JIWEI, BU GUANGQUAN, ZHANG JIAN, ZHANG LIBO, QIN QIN, ZHAO SHANSHAN
Принадлежит:

The invention discloses a method and system for analyzing the dynamic characteristics of an induction motor, and the method comprises the steps: obtaining the change of the angular velocity of the induction motor after disturbance based on a first-order mechanical transient equation of the induction motor, and obtaining the slip ratio of the induction motor based on the change of the angular velocity; based on the slip ratio and a transient electromotive force differential equation, obtaining the change of the transient electromotive force; and obtaining the current and power response of the induction motor after disturbance based on the change of the transient electromotive force. According to the rapid analysis algorithm for the dynamic characteristics of the induction motor under the asymmetric fault voltage drop, the dynamic response characteristics of the induction motor after the asymmetric fault can be rapidly evaluated, tedious time domain simulation calculation is avoided, and ...

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Номер записи: 3
09-05-2023 дата публикации

Extra-high voltage controllable high-resistance control method and device

Номер: CN116093963A
Автор: WANG YIHONG, ZHANG LIBO, ZHANG JIAN, QIN XIAOHUI, YANG JINGQI, DAI QIAN, ZHANG YUHONG, HUANG BIN, YUN LEI
Принадлежит:

The invention discloses an extra-high voltage controllable high-resistance control method and device. The method comprises the following steps: acquiring the magnitude of current of each branch of a partition system; according to the magnitude of current of each branch of the partition system, reactive power exchange of a main transformer medium-voltage side and reactive power exchange of a line midpoint to the partition system are obtained; according to the reactive power exchange of the main transformer medium voltage side and the reactive power exchange of the line midpoint to the partition system, the reactive power unbalance amount of the partition system is obtained; and performing switching control on the controllable high-voltage reactor according to the reactive power exchange of the medium-voltage side of the main transformer, the reactive power exchange of the line midpoint to the partition system and the reactive power unbalance of the partition system. According to the method ...

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Номер записи: 4
01-08-2023 дата публикации

Bamboo powder with mildew-proof and antibacterial functions and preparation method thereof

Номер: CN116512370A
Автор: LIU YISHAN, ZHANG YUHONG, LIU LIANLI, YIN HUI, LI GUIFANG, ZHANG JUNMIAO, LIU HONGMEI, YIN YERUI
Принадлежит:

The invention discloses bamboo powder with mildew-proof and antibacterial functions and a preparation method thereof, and the method comprises the following steps: (1) cutting bamboo chips without impurities into bamboo chips, then putting the bamboo chips into a closed pressure container, adding a glue solution and xylanase for degumming treatment, taking out the bamboo chips, cooling the bamboo chips to normal temperature, and sequentially crushing and washing the bamboo chips to obtain degummed bamboo chips; and (2) the degummed bamboo chips obtained in the step (1) are placed in antibacterial liquid medicine to be soaked for 1-2 h at the temperature of 60-80 DEG C, then boric acid is added to form nanogel to be soaked for 1-2 h, finally, drying and smashing are conducted in sequence, and the bamboo powder with the mildew-proof and antibacterial functions is obtained. The invention also comprises the bamboo powder prepared by the method. The bamboo powder with good moisture absorption ...

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Номер записи: 5
01-08-2023 дата публикации

Short-circuit current calculation method and device

Номер: CN116522043A
Автор: WANG HONGFU, ZHANG XIN, ZHAO DAN, CHANG SONG, ZHANG ZHIQIANG, LI RIMIN, YANG LU, TAO XIANGHONG, AN NING, LI YALOU, MU SHIXIA, ZHANG YANTAO, ZHANG YUHONG, HUO QIDI, ZHOU PEIPENG
Принадлежит:

The invention discloses a short-circuit current calculation method and device, and the method comprises the steps: obtaining the injection current increment of a controlled current source model located at a node j in the nth iteration based on equipment element parameters, tidal current current and the three-sequence voltage of the node j obtained through the (n-1) th iteration, obtaining injection current increment, positive sequence mutual impedance and open-circuit voltage of a controlled current source model located at a node j based on the nth iteration and the (n-1) th iteration; successively obtaining a generalized equivalent voltage source located at a node i in the nth iteration, a short-circuit current of a short-circuit point i, three-sequence voltages of all nodes in the nth iteration and a maximum value of absolute values of three-sequence voltage variations of all nodes in the nth iteration; and based on the magnitude relationship between the maximum value of the absolute ...

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Номер записи: 6
08-08-2023 дата публикации

Automatic blanking-material head cutting-hot straightening all-in-one system for heavy-load shaft cross wedge rolling

Номер: CN116550912A
Автор: ZHANG ZHAO, CHEN LIN, HE HAICHUAN, MA YANFENG, YANG GUOQING, LI PANPAN, LI ZHAO JIA, SHI XIAOMENG, CUI SONGSONG, ZHANG YUHONG, LIU RONGCHUN, MA DINGDING, DU HUIKUN, ZHANG JUNGAI
Принадлежит:

The invention discloses an automatic blanking-material head cutting-hot straightening all-in-one system for heavy-load shaft cross wedge rolling, and relates to the technical field of cross wedge rolling. Comprising a buffer blanking device which is arranged at a discharge port of the rolling mill and used for receiving fallen rolled pieces and automatically conveying the rolled pieces to the next procedure; the shifting device is arranged at the discharging position of the buffering blanking device, receives the rolled pieces and automatically shifts the rolled pieces to be conveyed to the next procedure; the stepping conveying device is arranged in front of the material shifting device and under the shearing device; the stepping conveying device automatically conveys the rolled piece to the position below the shearing device in a stepping mode, and after the shearing device cuts off the material head of the rolled piece, the stepping conveying device automatically conveys the rolled piece ...

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Номер записи: 7
29-06-2016 дата публикации

Adopt stainless steel surface layer plating layer structure of silvering

Номер: CN0205347605U
Автор: YANG FUGUO, ZHANG YUHONG
Принадлежит:

... 本实用新型所述一种采用银镀层的不锈钢表面层镀层结构，包括不锈钢表面层、预镀铜层、电镀铜锡合金层、预电镀银层和银镀层。预镀铜层与不锈钢表面层相接触，并且预镀铜层位于不锈钢表面层的外侧；电镀铜锡合金层与预镀铜层相接触，并且电镀铜锡合金层位于预镀铜层的外侧；预电镀银层与电镀铜锡合金层相接触，并且预电镀银层位于电镀铜锡合金层的外侧；银镀层与预电镀银层相接触，并且银镀层位于预电镀银层的外侧。本实用新型克服了不锈钢电镀银镀层容易磨损和变色的缺陷，并且增加了镀层硬度，耐腐蚀性能好，对不锈钢进行厚银电镀可以大大提高镀层的硬度和耐磨性，并赋予不锈钢表面层银白色金属光泽，扩展了不锈钢材质的应用范围。 ...

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Номер записи: 8
24-11-2016 дата публикации

METAL COMPLEX CATALYST, PREPARATION METHOD THEREOF, AND USE THEREOF IN PREPARING D,L-MENTHOL

Номер: WO2016184328A1
Автор: YU, Ming, YUAN, Jintao, YU, Haidong, SHAO, Weikang, ZHANG, Yuhong
Принадлежит:

Disclosed are a metal complex catalyst, preparation method thereof, and use thereof in preparing D,L-menthol. The metal complex catalyst consists of the following elements in the indicated weight percentages: 70-85% of nickel, 8-10% of aluminum, 5-10% of vanadium, and 2-10% of cobalt. The metal complex catalyst when used in the hydrogenation of thymol to give D,L-methol has the advantages of high reactivity and high racemization rate of chiral compounds. Also, adding certain alkali during the isomerization is the key point to reduce by-products of light components. The process has good reaction selectivity, simple preparation process, low production cost, and the synthetic route is environmentally friendly.

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Номер записи: 9
02-07-2020 дата публикации

DEVICE FOR CONTINUOUSLY PRODUCING SEPARANT AND CONTROL SYSTEM THEREFOR

Номер: WO2020132910A1
Автор: ZHAO, Huiyan, ZHANG, Zhisheng, ZHAO, Hailin, HE, Yan, ZHANG, Yuhong
Принадлежит:

Disclosed are a device for continuously producing a separant and a control system therefor. In the device, a reactor (1) is connected to a colloid mill (6) via a pipeline, the colloid mill (6) is connected to a stirring tank (9) via a pipeline, and a heat exchanger (10) is connected to the stirring tank (9), wherein heated purified water can be fed into the stirring tank (9). The production device has a high degree of reaction, the materials do not remain in the reactor, the continuous production of separants of various specifications can be realized by means of corresponding control systems, and the production efficiency is high.

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Номер записи: 10
23-01-2020 дата публикации

SINGLE-STRANDED DNA APTAMER SPECIFICALLY RECOGNIZING TOBRAMYCIN AND APPLICATION THEREOF

Номер: WO2020014883A1
Автор: ZHOU, Nandi, NIE, Jingjing, ZHANG, Yuhong, HAN, Xuyan, TIAN, Yaping
Принадлежит:

Provided are a single-stranded DNA aptamer specifically recognizing tobramycin and an application thereof, which relate to the field of biotechnology. On the basis of ap32-34nt, a tobramycin aptamer ap32-15 nt having a greatly shortened sequence length and improved affinity is obtained by means of a manner of removing some of the terminal base pairs and unpaired bases and shortening the length of a secondary structure stem region, and the aptamer ap32-15nt is used in a plurality of tobramycin detection methods as well as the construction of detection reagents. The aptamer has the advantages of high affinity, high specificity, a stable structure, and so on, and the established detection methods have the advantages of a short detection period, high sensitivity, low costs, strong specificity, and so on.

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Номер записи: 11
16-06-2023 дата публикации

Multi-stage refrigerator

Номер: CN116263275A
Автор: ZHANG YUHONG, XUN YUQIANG, QUAN JIA, LIANG JINGTAO
Принадлежит:

The invention relates to the technical field of refrigerating machines, in particular to a multi-stage refrigerating machine which comprises a first refrigerating device, at least one second refrigerating device and at least one refrigerating platform, the first refrigerating device is used for first-stage refrigerating, the second refrigerating device is at least used for second-stage refrigerating, and the second refrigerating device comprises a second compression component. And the refrigeration platform is communicated with the second compression component. Due to the fact that the refrigerating platform is communicated with the second compression component, an excessive regenerator does not need to be independently arranged, and energy waste of the excessive regenerator is avoided.

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Номер записи: 12
16-05-2023 дата публикации

Gd < 3 + > enhanced tungstate up-conversion luminescence fluorescence temperature measurement material and preparation method thereof

Номер: CN116120929A
Автор: ZHANG YUHONG, LIU HANG, ZHANG NAN, GUO YIBIN, WANG HAIYAN
Принадлежит:

The invention belongs to the technical field of rare earth fluorescence temperature measurement sensors, and relates to a Gd < 3 + > enhanced tungstate up-conversion luminescence fluorescence temperature measurement material and a preparation method thereof. The fluorescent temperature measurement material is tungstate fluorescent powder with the molar percentage content of 1% of RE < 3 + >, 14% of Yb < 3 + > and x% of Gd < 3 + >, x = 10, 20, 30, 35, 40 and 45 or 0.5% of RE < 3 + >, 1% of Yb < 3 + >, y% of Gd < 3 + > and y = 5, 10, 15 and 20, RE < 3 + > is selected from Ho < 3 + > or Tm < 3 + >, and results show that the Yb < 3 + >/Gd < 3 + > co-doped RE < 3 + > (RE = Ho/Tm) tungstate fluorescent powder is a high-temperature optical temperature measurement material with a good up-conversion luminescence characteristic and can be used for developing an optical thermometer based on the fluorescence intensity ratio.

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Номер записи: 13
02-05-2013 дата публикации

TENSIONER

Номер: WO2013060276A1
Автор: HAO, Minchun, FU, Hongliang, ZHANG, Yuhong
Принадлежит:

A tensioner (20) comprising a base (24), a cantilever (26) arranged on the base (24) and rotates around a first center axis relative to the base (24), a flexible element (48) arranged between the base (24) and the cantilever (26), where the flexible element (48) is used for swaying the cantilever (26), thus allowing the cantilever (26) to rotate relative to the base (24), and a friction apparatus (54) arranged between the flexible element (48) and the base (24) or the cantilever (26), where the friction apparatus (54) buffers the relative motion between the cantilever (26) and the base (24), and where the flexible element (48) applies a first pressure along a radial direction onto the friction apparatus (54), thus allowing the friction apparatus (54) to generate a first frictional force between the base (24) and the cantilever (26). The tensioner (20) also comprises a supporting block. The supporting block applies a second pressure along the radial direction onto the friction apparatus ...

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Номер записи: 14
02-07-2020 дата публикации

CONTINUOUS PRODUCTION SYSTEM FOR ADHESIVE

Номер: WO2020133074A1
Автор: ZHAO, Huiyan, ZHANG, Zhisheng, ZHAO, Hailin, JIA, Weidong, ZHANG, Yuhong
Принадлежит:

Disclosed is a continuous production system for an adhesive, the system comprising: a hydroxymethyl reaction system, an etherification reaction system, a stirring and drying system and a control system. The continuous production system can simultaneously produce a liquid adhesive and a solid adhesive with automation control, involving: adding melamine, paraformaldehyde and methyl alcohol in a first reaction tank (101) for a hydroxymethyl reaction, transferring same into a second reaction tank (301) for an etherification reaction, and then transferring the reaction product, i.e. hexamethoxymethyl melamine, into a liquid adhesive storage tank (501), and then sending same to a mixer (601) via the liquid adhesive storage tank (501) to be mixed with carbon black, and same finally entering a dryer (701) for drying, so as to prepare a solid powder adhesive.

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Номер записи: 15
06-07-2017 дата публикации

METHOD FOR PREPARING OPTICALLY ACTIVE CARBONYL COMPOUND

Номер: WO2017114058A1
Автор: ZHOU, Yougui, YU, Ming, YUAN, Jintao, ZHAO, Lei, ZHU, Xiandong, YU, Guangxiong, SU, Weiwei, SHAO, Weikang, SHI, Xingxing, ZHANG, Yin, FENG, Ming, CHEN, Zhirong, LI, Haoran, ZHANG, Yuhong
Принадлежит:

The present invention discloses a method for preparing an optically active carbonyl compound, comprising the following steps: subjecting an α,β-unsaturated aldehyde or an α,β-unsaturated ketone to an asymmetric hydrogenation catalyzed by a chiral amine salt and a transition metal catalyst, with hydrogen gas and a catalytic amount of a dihydropyridine as sources of hydrogen, to obtain the optically active carbonyl compound. The method has a mild reaction condition, is easy to operate, and uses a catalytic amount of the dihydropyridine, allowing easy separation and purification of a target product from the reaction system. The metal catalyst can also be recycled to meet requirements of economic efficiency.

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Номер записи: 16
13-06-2023 дата публикации

Battery pack

Номер: CN116259900A
Автор: ZHANG YUHONG, RAO YAN, SHE CHAOYUE, CHEN ZHIWEI, CHEN CHAOHAI
Принадлежит:

The invention discloses a battery pack. A tray of a battery module in the battery pack comprises an accommodating cavity and lugs arranged on the outer side of the periphery of the accommodating cavity. On the same side of the tray, the multiple lugs are arranged at intervals, and a notch is formed between every two adjacent lugs. The battery pack comprises at least one battery assembly, each battery assembly comprises two adjacent battery modules, and the convex lugs of one tray are located between the convex lugs of the other tray at the adjacent position of the two adjacent battery modules so that the space occupied by the battery modules in the arrangement direction can be saved, and the battery modules in the battery pack can be arranged more tightly. In other words, in the arrangement direction, more battery modules can be arranged according to a certain length, and the space utilization rate of the battery pack is improved.

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Номер записи: 17
05-05-2023 дата публикации

Granular catalyst containing L molecular sieve as well as preparation method and application of granular catalyst

Номер: CN116060099A
Автор: DING JING, WANG JIAXIN, ZANG GAOSHAN, ZHANG YUHONG, WANG TAO, ZHOU XINTONG
Принадлежит:

The invention relates to a granular catalyst containing an L molecular sieve as well as a preparation method and application of the granular catalyst. The catalyst comprises an L molecular sieve carrier and metal, based on the total weight of the L molecular sieve carrier, the content of the metal is 0.1-20wt%; wherein the metal comprises first metal and second metal; the first metal comprises at least one of VIIIB group metals; the second metal includes a Group IA metal and/or a Group IIA metal. The catalyst disclosed by the invention has relatively high reaction activity, selectivity and stability, and can effectively catalyze chain alkane aromatization.

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Номер записи: 18
25-04-2023 дата публикации

Catalyst for preparing aromatic hydrocarbon through dehydrogenation of six-membered cycloalkane and preparation method of catalyst

Номер: CN115999596A
Автор: ZANG GAOSHAN, WANG JIAXIN, ZHOU XINTONG, WANG TAO, ZHANG YUHONG, DING JING
Принадлежит:

The invention relates to a six-membered cycloalkane dehydrogenation aromatic hydrocarbon preparation catalyst, which comprises a sulfate radical-containing alumina carrier and the following components calculated on the basis of alumina: 0.05-3.0% by mass of VIII group metal, 0.05-3.0% by mass of VIIB group metal, 0.05-1.0% by mass of P, 0.05-0.8% by mass of K, 0.1-3.0% by mass of halogen, and 0.5-1.5% by mass of sulfate radical. The catalyst is used for six-membered cycloalkane dehydrogenation aromatic hydrocarbon preparation reaction, and has high aromatic hydrocarbon selectivity and activity stability and good regeneration performance.

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Номер записи: 19
23-05-2023 дата публикации

Catalyst system and carbonylation reaction method

Номер: CN116139939A
Автор: WANG CHUANG, PAN JIASHENG, LI HAORAN, HONG XIN, ZHANG YUHONG, WU LEI, XU YONG, ZHANG SHUOQING
Принадлежит:

The invention relates to a catalyst system for a carbonylation reaction and a method for the carbonylation reaction. The catalyst system includes (a) a Group VIII metal or a compound of a Group VIII metal; (b) a bidentate phosphine ligand; and (c) an acidic aid; component (b) is represented by the following formula (I): R1gt; p <-A >-Ar <-B >-Plt; r2 (I) wherein P represents a trivalent phosphorus atom; ar represents an aromatic group, A and B each represent an alkylene group, and A and B are located at ortho-positions on Ar; r1 and R2 respectively form a phosphorus-doped monocyclic group with the number of carbon atoms on the ring being at least 3 together with P atoms connected with R1 and R2; the monocyclic group includes an alicyclic group with or without a substituent, a lactone group, a lactam group, a cyclic ketone group, an N-containing heterocyclic group, and an O-containing heterocyclic group, and the substituent is linked to the monocyclic group in a single bond or in the form ...

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Номер записи: 20
18-07-2023 дата публикации

Disinfection channel for large pig farm

Номер: CN116440402A
Автор: YANG XICHUAN, ZHANG YUHONG, FAN YINGLI, SHEN HENGRAN, YI YANBIN, HAN HUILI, HU MENG
Принадлежит:

The invention belongs to the technical field of sterilization and disinfection channels, and particularly relates to a large pig farm disinfection channel which comprises a channel body, a first disinfection nozzle, a disinfection and disinfection assembly and a lifting assembly. The channel main body is of a shell structure and is internally provided with a disinfection channel; the plurality of first disinfection nozzles are mounted on the side wall of the channel main body and are used for spraying a disinfectant into the disinfection channel; the disinfecting and killing assembly can provide a grabbing part for the hand of a user and disinfect the palm and the back of the hand of the user. The lifting assembly is connected with the disinfecting and killing assembly and can drive the disinfecting and killing assembly to ascend, and the disinfecting and killing assembly ascends to drive the arms of the user to ascend, so that the armpits and the inner sides of the arms of the user are ...

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Номер записи: 21
14-04-2023 дата публикации

Method and system for determining scale of power electronic power supply borne by receiving-end power grid

Номер: CN115967123A
Автор: QIN QIN, ZHANG JIAN, ZHANG LIBO, LU RUNZHAO, HE HAILEI, ZHANG YUHONG, WU JUNLING, DAI QIAN, SUN YUJIAO, JIANG YILANG, HAN YI, YANG JINGQI, GAO YIYING, WANG XUEQIONG, ZHAO SHANSHAN, ZHANG WENCHAO, CUI XIWEN, CHO BAEK-HYUN, LIU XIAOMING, TIAN XIN, ZHAO LONG, GAO XIAOHAI
Принадлежит:

The invention discloses a method and a system for determining the scale of a power electronic power supply borne by a receiving-end power grid. The method comprises the following steps: determining the maximum bearing scale of the power electronic power supply constrained by safety and stability and the starting scale of a minimum conventional unit; taking the starting scale of the minimum conventional unit as a boundary condition, analyzing electric power and electric quantity balance and peak regulation through a production simulation program, and obtaining the power abandoning rate of the new energy unit; if the power abandoning rate reaches a preset requirement, determining the maximum bearing scale of the power electronic power supply constrained by safety and stability as the scale of the power electronic power supply borne by the receiving-end power grid; and if the power abandoning rate does not reach the preset requirement, taking the power abandoning rate reaching the preset requirement ...

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Номер записи: 22
26-05-2023 дата публикации

Phase-locked loop negative sequence compensation device suitable for short circuit analysis and verification method

Номер: CN116170013A
Автор: HUO QIDI, TANG XIAOJUN, ZHANG HUIYU, XIE YAN, ZHANG XIN, SU QINGMEI, LI YUANYUAN, WANG QING, WU LUYANG, LUO HONGMEI, LI JING, HUANG TING, LYU SIZHUO, ZHU SHAOXUAN, WANG YINQIAO, ZHANG YANTAO, ZHANG YUHONG, WANG ZIQI, GAO WENMAN
Принадлежит:

The invention discloses a phase-locked loop negative sequence compensation device suitable for short circuit analysis and a verification method, and the device comprises an FIR filter which is used for carrying out the phase shift of a fundamental wave negative sequence component of a d axis, and enabling a fundamental wave negative sequence component subjected to the phase shift to be applied to a fundamental wave negative sequence component of a q axis, and obtaining a new q-axis component e'q; the loop filter is connected with the voltage-controlled oscillator and is used for performing PI control on the phase-shifted and new q-axis component e'q so as to obtain an angular frequency; the voltage-controlled oscillator is used for carrying out integration on the angular frequency to obtain a phase and providing the phase to the phase discriminator to form a negative feedback path; and the phase discriminator is used for determining the phase which enables the phase-locked loop device to ...

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Номер записи: 23
23-05-2023 дата публикации

Method, device, equipment and medium for improving direct current bearing capability of receiving-end power grid

Номер: CN116154752A
Автор: WANG XUEQIONG, QIN QIN, GONG HAOYUE, ZHANG SONGTAO, GAO YIYING, YU CHENCHEN, ZHANG JIAN, ZHANG LIBO, YUN LEI, ZHANG YUHONG, HAN YI, JIANG YILANG, HUANG DAN, YANG ZEDONG, JIN WEIGANG, ZHAO XIONGGUANG, XI JIANGHUI
Принадлежит:

The invention belongs to the technical field of power systems, and discloses a method, device and equipment for improving the direct current bearing capacity of a receiving-end power grid and a medium. The method comprises the following steps: acquiring parameters of a receiving-end power grid, judging the direct current bearing capability of the receiving-end power grid from three angles of power angle, voltage and frequency, and obtaining a judgment result; analyzing a judgment result: if the power angle of the receiving-end power grid is limited, taking measures for improving the direct current bearing capacity of the receiving-end power grid aiming at the limited power angle; if the voltage of the receiving-end power grid is limited, measures for improving the direct-current bearing capacity of the receiving-end power grid are taken for the voltage limitation; and if the frequency of the receiving-end power grid is limited, taking measures for improving the direct-current bearing capacity ...

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Номер записи: 24
15-08-2023 дата публикации

Liquid strain formula for producing stropharia rugoso-annulata and preparation method thereof

Номер: CN116590157A
Автор: ZHANG YUHONG
Принадлежит:

The invention discloses a formula for producing a stropharia rugoso-annulata liquid strain and a preparation method of the stropharia rugoso-annulata liquid strain, which comprise a mother strain formula and a triangular flask liquid stropharia rugoso-annulata formula and comprise the following substances in parts by weight: 200 grams of peeled potatoes, 40-50 grams of trehalose, 20 grams of agar, 2 percent of a cooking-free culture medium, 0.5 percent of glucose, 0.5 percent of synanthrin, 0.05 percent of calcium peroxide and 1000 milliliters of water. According to the formula for producing the stropharia rugoso-annulata liquid strain and the preparation method of the stropharia rugoso-annulata liquid strain, culture of the stropharia rugoso-annulata liquid strain can be completed in 3-4 days in a 500ml triangular flask, the culture speed is shortened by more than half compared with that of a traditional culture mode, the culture period of the stropharia rugoso-annulata liquid strain is ...

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Номер записи: 25
18-08-2023 дата публикации

Cognitive diagnosis method based on intra-layer similarity relation

Номер: CN116611513A
Автор: ZHANG YUHONG, WANG MIAN, BU CHENYANG, HU XUEGANG
Принадлежит:

The invention discloses a diagnosis method based on an intra-layer similarity relationship, which comprises the following steps of: 1, calculating the similarity among students, exercises and knowledge points according to the historical answer records of the students and the association relationship between the exercises and the knowledge points to form the intra-layer similarity relationship; 2, learning the embedded representation of nodes through a relational graph convolutional network by utilizing the in-layer similarity, and taking the nodes with less question-doing records or less knowledge point associated information of the students as student tail nodes or exercise tail nodes; transmitting the information of the head node to the tail node, and improving the sparsity of the interlayer relationship of the tail node; and 3, fusing the student vector and the knowledge point vector to obtain the cognitive state of the student, and then obtaining the cognitive state of the student and ...

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Номер записи: 26
18-04-2023 дата публикации

Combined process for full-quantitative treatment of landfill leachate

Номер: CN115974300A
Автор: YU BEI, GAO MING, ZHANG YUHONG, CHEN XIAOQI, HE XIANG, TAN ZHENMING
Принадлежит:

The invention discloses a combined process for full-quantitative treatment of landfill leachate. Comprising the following steps: enabling the landfill leachate to sequentially pass through an adjusting tank, a first flocculation sedimentation tank, a decoloration reaction tank, an air floatation tank, an electrochemical oxidation reaction tank, an anaerobic tower, a two-stage AO tank, an MBR tank, a security filter, a nanofiltration system, an RO system, a high-pressure catalyst wet oxidation system and a second flocculation sedimentation tank, and enabling sludge generated in the processes to enter a sludge tank; the dewatered sludge in the sludge tank is transported outwards for treatment, and the dewatered filtrate is fed into the adjusting tank for retreatment. Compared with the prior art, full quantization processing can be realized.

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Номер записи: 27
25-04-2023 дата публикации

Naphtha catalytic reforming catalyst and preparation method thereof

Номер: CN115999592A
Автор: ZANG GAOSHAN, WANG JIAXIN, WANG TAO, DING JING, ZHANG YUHONG, ZHOU XINTONG
Принадлежит:

The naphtha catalytic reforming catalyst comprises an aluminum oxide carrier containing sulfate radicals and phosphate radicals and the following components in percentage by mass based on aluminum oxide: 0.1 to 2.0 percent of VIII group metal, 0.1 to 3.0 percent of VIIB group metal, 0.5 to 3.0 percent of halogen, 0.5 to 1.5 percent of sulfate radicals and 0.4 to 2.5 percent of phosphate radicals. The catalyst is used for naphtha catalytic reforming reaction, and has high aromatization activity and selectivity.

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Номер записи: 28
27-06-2023 дата публикации

Barium-containing L molecular sieve as well as preparation method and application thereof

Номер: CN116328826A
Автор: ZHOU XINTONG, YANG SHANG, WANG JIAXIN, ZHANG YUHONG, DING JING, ZANG GAOSHAN, WANG TAO, YU NING
Принадлежит:

A barium-containing L molecular sieve has a chemical composition of (0.03-0.1) BaO: (0.9-1.3) M2O: Al2O3: (5-8) SiO2, M is K or/and Na, the average crystal grain diameter of the molecular sieve is 0.10-0.35 [mu] m, the average crystal grain length/diameter ratio is 0.20-0.50, and crystal grains with a morphology index R of 0.1-0.5 account for more than 91% by mass of the total crystal grain amount. The catalyst prepared by loading platinum on the barium-containing L molecular sieve is used for an aromatization reaction of n-alkanes, and has high aromatization selectivity and good activity stability.

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Номер записи: 29
22-08-2023 дата публикации

RPA process recommendation method and computer readable storage medium

Номер: CN116628228A
Автор: GONG LIXIN, WU JIANQING, ZHANG YUHONG, WU XINDONG
Принадлежит:

The invention discloses an RPA process recommendation method. The method comprises the following steps: selecting a company set having certain similarity with a given company from a given knowledge graph set; extracting an RPA sub-graph set where a company is located, searching public RPA flow nodes in the sub-graph set, and adding the public RPA flow nodes into alternative items; nodes of an RPA process, which are different from historical recommendation data of a given company but have certain similarity with the historical recommendation data of the given company, are searched in the sub-graph and are added into recommendation alternative items; if the historical recommendation data does not exist, RPA process nodes with the liveness ranked in the first 20% in the whole RPA knowledge graph serve as recommendation alternative items to be added into the RPA knowledge graph, the intersection RPA process in the three alternative items serves as a first-level recommendation object, and the ...

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Номер записи: 30
08-09-2017 дата публикации

Temperature regulation sterilization composition as well as preparation method thereof and adhesive bandage and preparation method thereof

Номер: CN0107137380A
Автор: ZHANG YUHONG, CHU YONGKANG, XUE TING, HE YUANFANG, WANG SHUDONG, LIU HUA, ZHAO LEI
Принадлежит:

... 本发明涉及外用药剂领域，且特别涉及种调温杀菌组合物及其制备方法和创口贴及其制备方法。该调温杀菌组合物由多种原料制成。以重量份计，上述多种原料包括10‑25份葡萄糖胺聚合物、13‑25份海藻酸盐、20‑30份石蜡以及25‑35份聚乙烯醇。其可根据人体温度自动调整对创口的防护，提升防护效果。 ...

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Номер записи: 31
04-04-2023 дата публикации

Micro-spraying hose laying device matched with corn planter

Номер: CN115885824A
Автор: MA JUNFENG, HONG DEFENG, WEI FENG, MA YI, WEI XIAOYI, WANG JIAMU, SHI DAKUN, WANG QINGCHANG, BAI DONGSHENG, ZHENG QIUDAO, LIU JINGWEI, LI FANGJIE, GUO QUANGEN, LI DONG, ZHANG YUHONG
Принадлежит:

The invention discloses a micro-spraying hose laying device matched with a corn planter, and belongs to the technical field of corn seeding, and the micro-spraying hose laying device is technically characterized by comprising a planter and further comprising a support, the support is fixedly connected with the planter, a plurality of land wheels are arranged on the support, and the land wheels are used for slotting corn seeds; the seed mechanism is arranged in the seeding machine, the seed mechanism comprises a supporting piece, a screening piece and a buffer assembly, one end of the supporting piece is connected with the inner wall of the seeding machine, the supporting piece is used for supporting the seed mechanism, one end of the screening piece is connected with the supporting piece, and the buffer assembly is used for buffering the screening piece. The screening piece is used for screening seeds, and one end of the buffering assembly is movably connected with the supporting piece; ...

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Номер записи: 32
29-06-2016 дата публикации

ICU nursing is obeyed with patient

Номер: CN0205337724U
Автор: WANG TINGTING, ZHANG YUHONG
Принадлежит:

... 本实用新型公开了一种ICU护理用病人服，包括衣服的前片、后片和衣袖；后片的长度是前片的1.5倍，前片与后片的侧襟部通过魔术贴粘贴连接，衣袖与前片连接的腋窝处设置有隐形开缝；前片上部设有V型领口，前片的前胸部设有开窗，后片的下部设置有可拆卸护理垫，护理垫设置三层，由上到下分别为棉布层、药垫层和防水层。本实用新型能够方便的对病人插设尿管，保护病人隐私，方便测量病人体温，V型领口的设计便于对病人进行各种插管治疗，开窗的设计方便对病人进行心脏急救等护理措施，后片护理垫有效避免病人弄脏床单，减轻医务人员的工作负担；保暖披肩避免了病人肩膀裸露着凉的问题。 ...

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Номер записи: 33
27-08-2021 дата публикации

Bridge engineering quality monitoring device convenient to adjust

Номер: CN214066019U
Автор: JI JIAGUI, ZHANG YUHONG, WANG ZHILI, SHI LILING, CUI TAO, WANG RUI, 季家贵, 张玉红, 王志利, 石丽玲, 崔涛, 王睿
Принадлежит: XINYANG XINTONG HIGHWAY SURVEY AND DESIGN CO LTD, XINYANG XINTONG HIGHWAY SURVEY AND DESIGN CO., LTD., 信阳信通公路勘察设计有限公司

The utility model relates to the technical field of bridge quality monitoring, and discloses a bridge engineering quality monitoring device convenient to adjust, which comprises a case, supporting rods are fixedly connected to four corners of the bottom of the case, universal wheels are mounted at the bottom ends of the supporting rods, brake pads are mounted on the universal wheels, and the brake pads are fixedly connected with the case. A reinforcing steel bar detector is mounted at the upper end of the case, a threaded rod is rotationally connected to the case wall of the case through a first bearing, a worm gear is fixedly connected to the rod wall of the threaded rod located in the case in a sleeving manner, a worm is rotationally connected to the opposite case walls of the case through two second bearings, and the worm and the worm gear are meshed with each other; one end of the worm penetrates through the second bearing, extends outwards and is fixedly connected with a rotating handle ...

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Номер записи: 34
22-08-2023 дата публикации

Method and device for determining minimum starting capacity of thermal power generating unit based on voltage stability

Номер: CN116630090A
Автор: HE HAILEI, ZHANG YANTAO, GUO QIANG, ZHANG JIAN, ZHOU QINYONG, LU RUNZHAO, ZHANG YUHONG, DAI QIAN, YANG JINGQI
Принадлежит:

The invention discloses a method and device for determining the minimum starting capacity of a thermal power generating unit based on voltage stability. The method comprises the steps that the load level and the output level of a power system are obtained; if the difference value between the output level and the load level is greater than a preset capacity, determining that the power system is a sending-end power grid, and calculating the minimum starting-up capacity of a thermal power generating unit of the sending-end power grid considering the voltage stability constraint; and if the output level is smaller than the load level, determining that the power system is a receiving-end power grid, and calculating the minimum starting capacity of a thermal power generating unit of the receiving-end power grid considering the voltage stability constraint. According to the method and the device provided by the embodiment of the invention, the calculation result is more accurate and reliable, ...

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Номер записи: 35
14-04-2023 дата публикации

Method for producing gasoline blending component, obtained gasoline blending component and reaction device

Номер: CN115960623A
Автор: WANG JIAXIN, WANG CHE, MA AIZENG, ZHANG YUHONG, ZHANG QIUPING, YU ZHONGWEI, LI JINZHI, PAN LUOQI, XIAO ZHE
Принадлежит:

A method for producing a gasoline blending component, the obtained gasoline blending component and a reaction device are characterized in that a light hydrocarbon raw material enters a catalytic distillation tower, 5-20% by mass of benzene and cycloalkane in the light hydrocarbon raw material enter a light hydrocarbon isomerization reaction section to be subjected to an isomerization reaction and then are separated through a rectifying section, and C5 alkane and polymethyl C6 isoparaffin are obtained at the tower top; feeding a side line discharged material into an aromatization reaction zone to carry out aromatization reaction, wherein a reaction product in the aromatization reaction zone is used as a circulating material; 80-95% by mass of benzene, cycloalkane and other heavy components in the light hydrocarbon raw material enter a naphthenic isomerization reaction zone to be subjected to benzene saturation and cycloalkane isomerization reaction, a liquid-phase product obtained after ...

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Номер записи: 36