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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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Форма поиска

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 29. Отображено 29.
20-07-2016 дата публикации

Architectural design drawing board

Номер: CN0205387013U
Принадлежит:

... 本实用新型公开种建筑设计绘图板,包括,板体,第凹槽,铅笔洞,软硅胶,丁字尺槽,松紧绳,第二凹槽,倒钩;所述第凹槽设置在板体侧边,所述第凹槽用于方便手指从铅笔洞中抽出铅笔,所述第凹槽内设有铅笔洞,所述铅笔洞内附着有软硅胶,使铅笔放进去时不会轻易掉出来,所述板体面设置有丁字尺槽和第二凹槽,所述第二凹槽内设有倒钩,所述丁字尺槽的长边和短边均设置有两个松紧绳,用于固定丁字尺,所述松紧绳的端固定在板体上,所述松紧绳的另端可分离式固定在第二凹槽内的倒钩上,本实用新型把建筑设计绘图时常用的丁字尺和绘图铅笔都装在绘图板内,解决丁字尺不易携带,绘图铅笔容易丢失的问题。 ...

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02-06-2023 дата публикации

卷烟包装盒(云烟-中支福)

Номер: CN308062737S
Принадлежит: 云南中烟工业有限责任公司

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06-07-2016 дата публикации

Take municipal garden plant signboard of shower nozzle

Номер: CN0205375987U
Принадлежит:

... 本实用新型公开了一种带喷头的市政园林植物标识牌,包括光敏传感器、标识牌、照明灯、支撑杆、辅助压板、水管、喷头、标识区、太阳能光板、蓄电池、控制模块、螺纹接头和螺纹孔;所述标识牌正面设有照明灯和标识区;所述光敏传感器位于标识牌的右侧;所述标识牌背面设有太阳能光板;所述标识牌内部设有蓄电池和控制模块;所述标识牌底部设有螺纹接头;所述支撑杆上端设有螺纹孔;所述支撑杆上设有辅助压板;所述支撑杆中间部位设有喷头;所述水管通过支撑杆连接在喷头上;本实用新型设有辅助压板,解决了标识牌容易倾斜的问题,同时本实用新型还自带喷头,避免了重新安装喷头的麻烦和费用的浪费,照明灯方便游客在夜间观看标识牌上的内容。 ...

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13-07-2016 дата публикации

Waste recovery device for building

Номер: CN0205379926U
Принадлежит:

... 本实用新型公开了种建筑用废料回收装置,包括破碎筒,破碎筒上侧设有入料漏斗,破碎筒下侧连接有粉碎腔,破碎筒和粉碎腔外壁上都覆盖有消音层,破碎筒内壁上均匀设有若干个破碎齿,破碎筒内部中心左侧设有从动破碎齿轮,从动破碎齿轮右侧设有主动破碎齿轮,本实用新型建筑用废料回收装置,两个破碎齿轮和破碎齿对肥料进行预破碎,破碎后的建筑废料被两个粉碎齿轮啮合进行粉碎,粉碎效果好、效率高,能够对粉碎后的碎料进行筛选和收集,提高了工作效率,喷头喷出的水方面能够除尘,另方面能够对内部的破碎、粉碎机构进行降温冷却,另外减震装置能够有效降低装置工作时产生的震动,使得装置工作更为平稳,提高了安全性。 ...

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14-07-2023 дата публикации

Security protection device for 5G distribution network communication

Номер: CN116437626A
Принадлежит:

The invention relates to a safety protection device for 5G distribution network communication, and belongs to the technical field of distribution network communication.The safety protection device comprises a box body and a controller, a vertically-arranged heat conduction plate is fixed in the box body, a plurality of sets of networking communication modules are fixed to one side of the heat conduction plate at intervals in the vertical direction, and a plurality of temperature sensor assemblies are further fixed to the heat conduction plate; the temperature sensor assemblies and the distribution network communication modules are arranged in a one-to-one correspondence mode, a circulating cooling mechanism is arranged on the other side of the heat conduction plate, and the circulating cooling mechanism and the temperature sensor assemblies are electrically connected with the controller. And the controller is used for controlling the circulating cooling mechanism to cool the distribution ...

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06-07-2016 дата публикации

Novel intelligence street lamp

Номер: CN0205372336U
Принадлежит:

... 本实用新型公开一种新型智能路灯,本实用新型包括,灯柱,第一灯杆,第一照明体,第二灯杆,第二照明体,弓形支撑轴,光线传感器,环形体,LED彩带,驱动装置,独立开关,电源;本实用新型利用光线传感器控制照明体的亮起和关闭,在天黑时自动启动,天亮时自动关闭,智能化程度高;本实用新型上设有环形体的LED彩带,在重大节日时,可选择性的开启,为节日增加气氛。 ...

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22-06-2016 дата публикации

Artistic design is toolbox for specialty

Номер: CN0205326653U
Принадлежит:

... 本实用新型公开了一种美术设计专业用工具箱,包括箱体,所述箱体的下部开设有空腔,所述空腔的内部设有活塞,所述活塞的左侧设有连接杆,所述连接杆的左端伸出空腔并连接有拉手,箱体的下端右侧设有万向轮,箱体的下端左侧设有支撑块,箱体的上端设有箱盖,所述箱盖的上侧开合有凹槽,所述凹槽的左端设有连接座,凹槽内还设有雨伞,所述雨伞的左端与连接座铰链,凹槽的上端设有密封盖,箱体的内部设有调料放置腔、画纸腔、画笔腔和调色腔。本实用新型结构简单、使用方便,可以防雨遮挡阳光,便于移动,省时省力。 ...

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13-07-2016 дата публикации

Rubbing crusher for building high -efficient

Номер: CN0205379958U
Принадлежит:

... 本实用新型公开了种建筑用高效粉碎机,包括机体,机体上侧设有进料筒,进料筒上侧左端设有进料漏斗,在进料筒内部设有进料机构,进料机构包括进料螺杆和设置在进料螺杆外壁上的螺杆叶片,进料螺杆左端与电机连接,在进料筒靠右的段上设有预粉碎机构,本实用新型建筑用高效粉碎机,能够实现自动进料,在进料过程中对原料进行预粉碎,粉碎效果好、效率高,采用抽风机和沉降器实现了自动出料,无需人工操作,且出料过程无粉尘的浪费,粉碎机工作过程噪音小、散热性能好,能够对原料进行充分的除铁,保证了质量,另外设置的减震支架能够有效减震、防震,延长了粉碎机的使用寿命。 ...

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18-07-2023 дата публикации

Geological outcrop irregular rock surface laser intensity window segmentation correction method and device

Номер: CN116449344A
Принадлежит:

The invention provides a geological outcrop irregular rock surface laser intensity window segmentation correction method and device, and the method comprises the steps: respectively obtaining intensity values, incident angles and distances of a ground three-dimensional laser scanner at different scanning angles and distances, and constructing a distance simplified correction model and an angle simplified correction model; performing window segmentation on the point cloud data of the target outcrop based on a preset window size to obtain a plurality of point cloud blocks; performing plane fitting on the point cloud block data to obtain a normal vector, a curvature, an incident angle, an incident distance and average intensity of a fitting plane; carrying out distance correction and angle correction on different point cloud blocks according to types by considering the complexity of the outcrop rock surface structure; the intensity value and the RGB value of the corrected outcrop form spectral ...

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22-08-2023 дата публикации

Circulating agricultural planting frame

Номер: CN116616078A
Принадлежит:

The circulating type agricultural planting frame comprises a supporting frame, an inner and outer circulating spiral track is arranged in the supporting frame and comprises an inner spiral track body located inside and an outer spiral track body located outside, and the upper end and the lower end of the inner spiral track body are in smooth transition connection with the upper end and the lower end of the outer spiral track body; a closed transmission chain is movably arranged in the internal and external circulation spiral track, a plurality of driving motors used for driving the transmission chain to move are installed on the supporting frame, and each driving motor is connected with a driving chain wheel meshed with the transmission chain. The edge of the transmission chain is rotationally connected with a plurality of nutrition grooves which are arranged at equal intervals in the length direction of the transmission chain, each nutrition groove is detachably connected with a planting ...

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30-06-2023 дата публикации

Corynebacterium glutamicum heat-resistant component Ptuf-TTHRS07495 and construction method and application thereof

Номер: CN116355941A
Принадлежит:

The invention relates to a corynebacterium glutamicum heat-resistant component Ptuf-TTHRS07495 as well as a construction method and application thereof, the corynebacterium glutamicum heat-resistant component Ptuf-TTHRS07495 is composed of a corynebacterium glutamicum promoter Ptuf and a heat-resistant functional gene TTHRS07495 in a thermal thermophilus HB8, the gene sequence of the corynebacterium glutamicum promoter Ptuf is as shown in SEQ NO.1, and the gene sequence of the corynebacterium glutamicum promoter Ptuf is as shown in SEQ NO.2. The corynebacterium glutamicum heat-resistant component Ptuf-TTHRS07495 is as shown in SEQ NO.2. The sequence of the heat-resistant functional gene TTHRS07495 in the Thermus thermophilus HB8 is as shown in SEQ (sequence) NO. 2. According to the corynebacterium glutamicum heat-resistant component Ptuf-TTHRS07495, the heat stability of corynebacterium glutamicum can be greatly improved, the heat resistance of the strain is enhanced, the corynebacterium ...

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06-07-2016 дата публикации

Concrete mixer for building site

Номер: CN0205364218U
Принадлежит:

... 本实用新型公开了一种建筑工地用混凝土搅拌机,包括底座,底座上侧靠右设有搅拌筒,在底座上侧左端设有液压升降装置,液压升降装置顶端连接有升降柱,升降柱顶端连接有水平设置的横向支撑板,横向支撑板下侧靠右左右分别设有第二搅拌转轴和第一搅拌转轴,第一搅拌转轴和第二搅拌转轴顶端穿过横向支撑板且外壁上分别套设有主动齿轮和从动齿轮,本实用新型建筑工地用混凝土搅拌机,搅拌效果好、效率高,搅拌均匀且充分,有效的避免了搅拌死角,振动装置的设置有效的提高了搅拌效率,设置的气锤能够有效放置混凝土粘附在搅拌筒内壁上造成的浪费,节约了原材料,另外便于移动和固定,便捷性和实用性高。 ...

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06-07-2016 дата публикации

Concrete mixer for building

Номер: CN0205364208U
Принадлежит:

... 本实用新型公开了一种建筑用混凝土搅拌机,包括搅拌筒,搅拌筒上侧设有进料漏斗,进料漏斗下侧通过下料管与搅拌筒连接,下料管内部水平设有除铁转轴,除铁转轴外壁上下对称设有永磁铁,在搅拌筒内部上侧水平设有环形喷淋管,环形喷淋管安装在搅拌筒上侧内壁上,环形喷淋管下侧外壁上左右均匀设有喷头,本实用新型建筑用混凝土搅拌机,搅拌效果好、效率高,能够对物料进行充分除铁,搅拌筒内部下侧设置的振动式筛网能够对物料进行充分的筛选,且能够实现自动出料,可自动对混凝土进行加湿,避免了混凝土蒸发干化,有效的降低了因为混凝土干化造成的损失,另外设置的减震支架能够有效减震、防震,延长了搅拌机的使用寿命。 ...

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23-06-2023 дата публикации

Depth synthesis audio detection method and system based on IDC machine room bidirectional flow

Номер: CN116319467A
Принадлежит:

The invention discloses a deep synthetic audio detection method and system based on bidirectional traffic of an IDC machine room, and the method comprises the steps: obtaining original traffic data of an exit of a current network IDC machine room according to a preset collection strategy, and carrying out the restoration processing of the obtained original traffic data, and obtaining a restored audio file, wherein the original traffic data comprises encrypted traffic data and non-encrypted traffic data; performing data deduplication processing on the restored audio file based on a pre-established sample feature library; performing audio detection on the restored audio file subjected to the duplicate removal processing to obtain a detection result; according to the method, real-time detection of current network flow deep synthesis information can be achieved, in order to improve file detection efficiency, relieve pressure of a detection end and perform de-duplication processing on data, ...

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07-07-2023 дата публикации

Stationary blade fixing structure

Номер: CN116398475A
Принадлежит:

The invention relates to a stationary blade fixing structure which comprises a plurality of stationary blades, each stationary blade comprises a blade handle section and a blade body section, one end, extending out of a stationary blade mounting hole of a stationary blade bearing cylinder, of each blade handle section is fixedly connected with a connecting structure, and the connecting structure is connected with a locking structure. The locking structure is used for locking the connecting structure so that the stationary blade can be located at the needed working angle. The blade handle section is connected with a first limiting structure, and the first limiting structure is used for limiting movement of the blade handle section in the axis direction of the stationary blade mounting hole. The stationary blade is divided into the blade body section and the blade handle section, the blade handle section is connected with the connecting structure, and the connecting structure is locked through ...

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06-07-2016 дата публикации

Special frame of portable city planning design

Номер: CN0205373742U
Принадлежит:

... 本实用新型公开一种便携式城市规划设计专用架,包括架体,所述架体为三棱柱体,所述架体三面均设置有支腿,所述支腿通过合页和架体活动式连接,所述检测模块设置在架体底部用于检测自然条件,所述架体顶部设置有电动转盘,所述电动转盘上设置有相机架,所述调节模块设置在架体上,所述调节模块用于调节电动转盘的转动速度,所述架体上还设置有存储模块和电源,所述检测模块、电动转盘、调节模块、存储模块和电源分别连接。本实用新型便携性较强;通过监测模块可检测土壤条件和气象条件,并且把检测数据存储至存储模块,以方便分析研究,通过电动转盘可360度采集实景照片,可减少城市规划设计人员外出工作时携带的设备,提高外出工作时的便利性。 ...

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23-06-2023 дата публикации

Communication network security monitoring device for bidirectional wiring

Номер: CN116321838A
Принадлежит:

The invention discloses a bidirectional wiring communication network safety monitoring device which comprises a top plate, a first case and a second case are arranged below the top plate in parallel, the first case is fixedly connected with the top plate, and the second case is movably connected with the top plate; a movable space is formed between the top plate and the first case and between the top plate and the second case, and is used for accommodating the transmission mechanism and controlling the overturning of the first case and the second case; one end of the rotating seat is an arc-shaped section provided with a receding opening, and the other end of the rotating seat is rotationally connected to the top of the second case; by arranging the transmission chain wheel, the rotating seat, the interface panel and other parts, the bidirectional wiring and reversing effects are achieved, and the working efficiency and convenience are improved.

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04-04-2023 дата публикации

Naphthylamine-based quasi-two-dimensional perovskite photoelectric detector and preparation method thereof

Номер: CN115915872A
Принадлежит:

The invention discloses a quasi-two-dimensional perovskite photoelectric detector based on naphthylamine and a preparation method thereof, and belongs to the technical field of perovskite photoelectric devices. The device is sequentially composed of an ITO conductive glass anode, a PEDOT: PSS anode buffer layer, a quasi-two-dimensional perovskite polycrystalline film, a C60/BCP cathode buffer layer and an Ag cathode. The perovskite material is (NMA) 2MA3Pb4I13, has a typical quasi-two-dimensional perovskite structure after crystallization, and is formed by alternately stacking an inorganic skeleton and naphthyl methylamine (NMA) spacer cations, and the inorganic skeleton is formed by closely arranging four layers of [PbI4] 2-octahedrons. According to the method, a proper amount of MACl is added into a precursor solution, and an anti-solvent is used for regulating and controlling the growth of an (NMA) 2MA3Pb4I13 polycrystalline thin film during spin coating, so that the crystallinity of ...

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06-07-2016 дата публикации

Suspension type bus shelter convenient to dismouting

Номер: CN0205370004U
Принадлежит:

... 本实用新型公开了一种便于拆装的悬挂式候车亭,包括支架和顶棚,所述支架为了两个即左支架和右支架,所述左支架和右支架位置相对,左支架和右支架的上部向内弯曲,在左支架和右支架上弯曲的端部吊装有左顶棚和右顶棚,所述左顶棚和右顶棚之间通过连接件连接;在左顶棚和右顶棚上设有吊架,吊架上设有折叠座椅。所述左顶棚和右顶棚内设有照明灯和电扇,左顶棚和右顶棚的顶部设有太阳能电池,太阳能电池通过控制电路及蓄电池给照明灯和电扇供电。所述左支架和右支架的立杆部分设有灯箱和垃圾桶。本实用新型可以供候车人员临时休息,也便于存储垃圾。太阳能电池可以提供夜间照明,还可在炎热的夏天通过电扇纳凉,灯箱既可以粘贴各类社会信息。 ...

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20-07-2016 дата публикации

Multi -functional artistic rail

Номер: CN0205387680U
Принадлежит:

... 本实用新型公开了种多功能艺术围栏,包括基座,基座上设有立柱及置于立柱之间的护栏,所述立柱包括左立柱和右立柱,在左立柱和右立柱之间设有上护栏和下护栏,在上护栏和下护栏之间连接有纵横交错的连接杆,连接杆中间设有展示框,所述展示框上设有卡扣,展示框的内设有灯管。本实用新型的环境多功能艺术围栏不仅可以起到公共设施的作用,还可以起到美化环境,具有实用性和艺术性。通过围栏上设置的展示框可以展示相关的宣传内容,立柱上设有的花盆,可以种植些植物,不仅美化的环境,还能净化空气,通过控制系统可以调节展示框内灯管的光线及色彩,使我们生活在个绚丽多彩的环境中。 ...

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23-05-2023 дата публикации

Method and device for photocatalytic degradation of ammonia gas

Номер: CN116139687A
Принадлежит:

The invention provides a method and a device for photocatalytic degradation of ammonia gas, and relates to the technical field of odor treatment. The invention provides a method for photocatalytic degradation of ammonia gas. The method comprises the following steps: preparing a Cu/TiO2 catalyst film on the surface of a substrate; and introducing gas to be treated into the surface of the Cu/TiO2 catalyst film, and carrying out photocatalytic reaction under an illumination condition to degrade ammonia gas in the gas to be treated. According to the invention, ammonia gas is degraded by utilizing a photocatalysis technology based on the Cu/TiO2 catalyst film, so that the purpose of removing ammonia gas can be achieved with high efficiency and low cost. Compared with the prior art, the method has the advantages of wide application range, quick reaction, low energy consumption, low cost, easiness in operation and convenience in application, and has great application potential in the aspect of ...

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13-07-2016 дата публикации

Syllable -dividing wallboard for building

Номер: CN0205382625U
Принадлежит:

... 本实用新型公开了种建筑用隔音墙板,包括芯板,芯板内部设有夹板,在夹板内部设有内板,内板内部设有板芯,芯板、夹板和内板都为空心板,夹板通过纵向弹簧悬挂在芯板的空腔内部,内板通过横向弹簧悬挂在夹板的空腔内部,板芯水平设置在内板内部的中间位置,芯板上下两侧分别设有第二发泡水泥板和第发泡水泥板,第发泡水泥板和第二发泡水泥板内部均设有空腔,空腔的相对的上下两个面的表面均呈波浪形,其中个面的波峰的位置与另个面的波谷的位置正对,本实用新型建筑用隔音墙板耐火性能和保温性能好,安全性能高,使用寿命长,具有较好的隔音降噪性能,实用性强。 ...

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09-06-2023 дата публикации

Panoramic photographing device and method for rocket shell section assembly

Номер: CN116249010A
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The invention discloses a panoramic photographing device and method for rocket shell section assembling, the panoramic photographing device is formed based on cooperation of a camera module, a telescopic assembly, a rotating assembly and a control assembly, the camera module is arranged on the telescopic assembly, and the telescopic assembly can drive the camera module to move back and forth in the vertical direction; the rotating assembly can drive the telescopic assembly to drive the camera module to rotate; the control assembly controls the telescopic assembly and/or the rotating assembly to act, drives the camera modules to reach corresponding shooting stations in sequence, and controls the camera modules to shoot at each shooting station; the control assembly carries out image processing on all images shot by the camera shooting module, the images are spliced, image geometric adjustment is carried out on image deviation generated due to different camera angles and positions, and a ...

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06-07-2016 дата публикации

Novel urban road information sign

Номер: CN0205376013U
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... 本实用新型公开一种新型城市道路信息指示牌,其包括,指示牌本体,第一显示屏,PM2.5检测模块,第二显示屏,控制器,摄像头,处理器,智能视频分析模块,第三显示屏,电源。本实用新型利用LED显示屏充当指示牌载体,比传统的普通材料更醒目,效果更好;本实用新型利用PM2.5检测模块实时检测空气PM2.5浓度,依次判断空气质量,并且在显示屏上用不同颜色表示,可以提醒人们关注环境恶化,呼吁人们节能减排;利用摄像头和智能视频分析模块判断路况拥堵情况并且作出相应的颜色标识,做到道路指示牌的多功能实用性。 ...

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22-06-2016 дата публикации

But electronic drawing board of fine arts college entrance examination special use fast drying gouache

Номер: CN0205326665U
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... 本实用新型公开了一种美术高考专用可快速烘干水粉画的电动画板,包括画板;所述画板的顶部设有烘干装置;所述烘干装置包括卡座、蓄电池和热风机;所述卡座为U形,卡放在画板的顶部;蓄电池固设在卡座的顶部,为热风机供电;热风机的底座设在蓄电池的顶部,热风机具有冷风进口和热风出口,并且热风出口斜对着画板的正面。本实用新型的画板顶部设有烘干装置,可使得考生绘画迅速变干,加速完成绘画作品。 ...

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22-08-2023 дата публикации

Detection method and system based on artificial intelligence

Номер: CN116633809A
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According to the artificial intelligence-based detection method and system provided by the invention, the characteristics of three different dimensions of deep learning, biology and time are respectively extracted for different types of data packets, so that all types of data packets of a network can be covered. Dimensionality reduction sampling and sliding window secondary sampling are adopted for deep learning features; biological fingerprint matching and sliding frame secondary sampling are adopted for biological characteristics; and redefining a sampling window according to a differentiation result aiming at the time feature, and sampling and recombining the deep learning feature and the biological feature again. Through the above steps, clustering processing in two different ways is used, and the model is better used for classification.

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27-07-2016 дата публикации

Exhibitions product exhibition platform

Номер: CN0205390908U
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... 种会展产品展示台,包括圆形的底盘、环形展台和环形升降展台,所述底盘从外到内依次开设有外环槽和内环槽,外环槽内滑动配合有外立环圈,外立环圈上端固定有环形展台,所述环形展台内侧面连接有内立环圈,内立环圈底部与内环槽滑动配合连接,内立环圈上端外侧配合套设有外套环圈,外套环圈上端固定有环形升降展台,内立环圈沿圆周方向均匀开设有多个竖向槽,竖向槽内均固定有电动伸缩缸,电动伸缩缸的伸缩杆顶部与环形升降展台底端固定连接,底盘中心设置有内桶,内桶的外壁上外设有环形凹槽,所述环形升降展台的内侧面与环形凹槽底面滑动接触,本实用新型结构简单,能够调整展台高度,适用性强,灵活性好,展示效果好。 ...

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13-07-2016 дата публикации

Concrete mixer who has sieving mechanism for building

Номер: CN0205380774U
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... 本实用新型公开了种建筑用带有筛选装置的混凝土搅拌机,包括搅拌筒,搅拌筒上侧左端设有入料漏斗,入料漏斗内部左右并排设有第粉碎辊和第二粉碎辊,第粉碎辊和第二粉碎辊之间留有粉碎间隙,在入料漏斗内部底端设有筛网,筛网下侧中心处设有振动电机,搅拌筒内部轴心处竖直设有搅拌转轴,本实用新型建筑用带有筛选装置的混凝土搅拌机,搅拌效果好、效率高,升降搅拌有效的避免了搅拌私聊,可对原材料进行粉碎和振动筛选,保证了成品混凝土的质量,可在搅拌过程中刮除内壁上粘附的混凝土,节约了原材料,且可对出料量进行控制,实现了精确卸料,另外移动方便,减震效果好,便捷性和实用性高,工作稳定性强,延长了使用寿命。 ...

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09-06-2023 дата публикации

Water environment monitoring device

Номер: CN116242663A
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The invention discloses a water environment monitoring device which comprises a bottom plate, a first water pumping barrel and a second water pumping barrel are installed on the bottom plate in a penetrating mode, and the bottom end of the first water pumping barrel and the bottom end of the second water pumping barrel are both transparent ends; sealing cylinders are mounted at the top ends of the first water pumping cylinder and the second water pumping cylinder in a penetrating manner; according to the invention, the two water pumping barrels and the two detection chambers are arranged, and each detection chamber is communicated with the other water pumping barrel through the ventilation pipe, so that when the first piston moves upwards, the second piston moves downwards, and vice versa; when a first piston moves upwards, water in a first water pumping barrel is pumped into a first detection chamber through a first ventilation pipe for detection, and when a first piston moves upwards, ...

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