当前查询到95条专利与查询词 "Pan Haitao"相关,搜索用时0.2812632秒!排序方式:
发明专利:55实用新型: 34外观设计: 6
55 条,当前第 1-10 条 下一页 最后一页 返回搜索页
申请号:202010098204.9 公开号:CN111218695A 主分类号:C25B3/02
申请人:【中文】广西师范大学【EN】Guangxi Normal University 申请日:2020.02.18 公开日:2020.06.02
摘要:【中文】本发明公开了一种电化学条件下实现酮α位甲基化反应的方法。这种方法采用电化学脱氢偶联策略,实现了酮类化合物和甲醇直接进行酮α位甲基化反应,在温和的电化学氧化条件下,以甲醇作为C‑1源,碱性条件下,氧气氛围中通过酮和甲醇直接进行酮α位甲基化反应,反应利用溶剂甲醇作为甲基化试剂,具有绿色环保、原子经济和步骤简单优点,反应避免了过渡金属催化剂和氧化剂的使用,操作简单,产率高,原料易得,清洁环保,很好地符合了现代绿色化学概念。 【EN】the invention discloses a method for realizing alpha methylation of ketone under electrochemical conditions, which adopts an electrochemical dehydrogenation coupling strategy to realize direct ketone reaction of ketone compounds and methanolαThe site methylation reaction is carried out by taking methanol as a C-1 source under mild electrochemical oxidation conditions and directly carrying out ketone reaction on ketone and methanol in oxygen atmosphere under alkaline conditionsαThe site methylation reaction utilizes solvent methanol as a methylation reagent, has the advantages of environmental protection, atom economy and simple steps, avoids the use of transition metal catalysts and oxidants, is simple to operate, high in yield, easy to obtain raw materials, clean and environment-friendly, and well accords with the modern green chemistry concept.
详细信息 下载全文

申请号:201911252859.0 公开号:CN110845326A 主分类号:C07C51/42
摘要:【中文】本发明涉及一种通过脱水萃取制备乳酸和丙交酯的方法,包括如下步骤:1)将粗品乳酸溶液与有机溶剂混合,得待处理混合液;2)对所述待处理混合液进行蒸发浓缩,去除水分,得到溶有乳酸的有机溶剂,提取得到上述有机溶剂中的乳酸。本发明所述的生产乳酸工艺路线短,便于操作,所得乳酸纯度高。利用此方法生产丙交酯,不需要通过乳酸精制等繁琐过程就可获得高质量的丙交酯产品,产品收率高、环境污染小,避免了传统丙交酯生产工艺中复杂的操作过程。 【EN】The invention relates to a method for preparing lactic acid and lactide by dehydration and extraction, which comprises the following steps: 1) mixing the crude lactic acid solution with an organic solvent to obtain a mixed solution to be treated; 2) and (3) evaporating and concentrating the mixed solution to be treated, removing water to obtain an organic solvent dissolved with lactic acid, and extracting to obtain the lactic acid in the organic solvent. The process for producing the lactic acid has short route, is convenient to operate, and the obtained lactic acid has high purity. The method for producing lactide can obtain a high-quality lactide product without complicated processes such as lactic acid refining and the like, has high product yield and small environmental pollution, and avoids the complicated operation process in the traditional lactide production process.
详细信息 下载全文

申请号:201911315672.0 公开号:CN110916415A 主分类号:A47C17/175
摘要:【中文】本发明公开了一种座椅电动变卧床机构,包括互相之间依次铰接的第一支撑架、背板板架、座板板架、腿板板架和第二支撑架,其特征在于,还包括电动推杆、连杆单元、滑块、滑轨、垂直杆、牵引线和调节块,电动推杆上设置有驱动单元。驱动单元驱动电动推杆运动,所述电动推杆通过垂直杆带动滑块在滑轨上滑移运动,滑块带动第二连杆和第三连杆运动,第二连杆运动带动背板板架做翻折运动,同时第一连杆带动第一支撑架做翻折运动,第三连杆运动带动腿板板架做翻折运动,腿板板架翻折的同时,通过调节块带动第四连杆运动使得第二支撑架做翻折运动,所述电动推杆通过牵引线带动第二脚撑沿着第一脚撑上下运动。 【EN】The invention discloses a seat electric sickbed mechanism which comprises a first support frame, a back plate frame, a seat plate frame, a leg plate frame and a second support frame which are sequentially hinged with one another. Drive unit drive electric putter motion, electric putter drives the slider through the vertical pole and slides the motion on the slide rail, and the slider drives second connecting rod and third connecting rod motion, and second connecting rod motion drives the backplate grillage and is a motion of turning over a book, and first connecting rod drives first support frame simultaneously and is a motion of turning over a book, and third connecting rod motion drives leg board grillage and is a motion of turning over a book, and when leg board grillage turned over a book, it makes the second support frame be a motion of turning over a book to drive fourth connecting rod motion through the regulating block, electric putter drives the second heel brace through the pull wire and props up-and-down motion along first heel brace.
详细信息 下载全文

申请号:201911340071.5 公开号:CN110969421A 主分类号:G06Q10/10
摘要:【中文】本说明书实施例提供监测方法以及装置,其中所述监测方法包括:获取用户通过终端针对监测对象上传的监测数据,并读取所述监测对象的任务监测单,根据所述监测数据以及所述任务监测单中包含的任务详情确定所述监测对象的任务执行状态,然后通过数据监测接口向监测主体发送所述监测数据以及所述任务执行状态,并接收所述监测主体通过所述数据监测接口反馈的监测结果;其中,所述用户与所述监测对象为权益相关方,并且所述任务监测单由所述监测对象根据待监测任务创建。 【EN】The embodiment of the specification provides a monitoring method and a device, wherein the monitoring method comprises the following steps: acquiring monitoring data uploaded by a user through a terminal aiming at a monitoring object, reading a task monitoring list of the monitoring object, determining a task execution state of the monitoring object according to the monitoring data and task details contained in the task monitoring list, then sending the monitoring data and the task execution state to a monitoring main body through a data monitoring interface, and receiving a monitoring result fed back by the monitoring main body through the data monitoring interface; the user and the monitoring object are rights and interests related parties, and the task monitoring list is created by the monitoring object according to the task to be monitored.
详细信息 下载全文

申请号:201911175503.1 公开号:CN110889873A 主分类号:G06T7/80
摘要:【中文】本发明提供一种目标定位方法、装置、电子设备及存储介质,方法包括:基于双目摄像头捕捉的包含待定位目标的左视图和右视图,计算视差图;将左视图输入训练后的深度学习网络,输出左视图中的目标掩码;基于视差图和所述左视图中的目标掩码,利用三维重建投影方法计算待定位目标的三维空间坐标。本发明将双目立体视觉与深度学习结合,利用双目摄像头,根据三角测量原理计算左右视图对应点间的位置偏差,利用深度学习方法对图像进行特定目标识别处理,在目标识别的基础上结合三维重建信息对场景目标进行实时定位,简化目标定位过程,不区别主次目标,同时计算出视场内所有目标位置;深度学习可针对特定目标和普通目标从而扩大目标定位应用的范围。 【EN】The invention provides a target positioning method, a target positioning device, electronic equipment and a storage medium, wherein the method comprises the following steps: calculating a disparity map based on a left view and a right view which are captured by a binocular camera and contain a target to be positioned; inputting the left view into the trained deep learning network, and outputting a target mask in the left view; and calculating the three-dimensional space coordinates of the target to be positioned by using a three-dimensional reconstruction projection method based on the disparity map and the target mask in the left view. According to the invention, binocular stereo vision and depth learning are combined, a binocular camera is utilized to calculate the position deviation between corresponding points of left and right views according to a triangulation principle, a depth learning method is utilized to perform specific target identification processing on an image, a scene target is positioned in real time by combining three-dimensional reconstruction information on the basis of target identification, the target positioning process is simplified, primary and secondary targets are not distinguished, and simultaneously all target positions in a field of view are calculated; deep learning can be targeted to specific targets and general targets to expand the scope of target localization applications.
详细信息 下载全文

申请号:201911315327.7 公开号:CN111025023A 主分类号:G01R27/16
申请人:【中文】西南交通大学【EN】SOUTHWEST JIAOTONG University 申请日:2019.12.19 公开日:2020.04.17
摘要:【中文】本发明公开了一种注入式谐波阻抗测量的扰动能量限值选定方法,包括步骤:确定测量频率包含背景谐波分量和噪声干扰量的相对误差;令测量系统的工程设计精度等级为相对误差,求解公共耦合点处扰动注入电流得到测量频率包含背景谐波分量和噪声干扰量的注入扰动电流限值。本发明的有益效果在于,基于阻抗测量值与理论值相对误差公式进行指标选择,方法准确性高;根据实际被测系统相应需求,在实施阻抗测量前作出明确而有效的注入扰动限值判定,方法适用性强;着眼于噪声和背景谐波对测量准确性的影响,实现了节约成本的同时又能够保障被测系统的安全稳定运行的目的,方法实用性高。 【EN】The invention discloses a disturbance energy limit value selection method for injection type harmonic impedance measurement, which comprises the following steps: determining the relative error of the measuring frequency containing background harmonic component and noise interference quantity; and solving the disturbance injection current at the common coupling point to obtain the injection disturbance current limit value of the measurement frequency including background harmonic component and noise interference quantity. The method has the advantages that the index selection is carried out based on the relative error formula of the impedance measured value and the theoretical value, and the method is high in accuracy; according to the corresponding requirements of the actual system to be measured, the definite and effective injection disturbance limit judgment is made before the impedance measurement is carried out, and the method has strong applicability; the method has the advantages that the influence of noise and background harmonic waves on the measurement accuracy is focused, the purpose of ensuring the safe and stable operation of the system to be measured while the cost is saved is achieved, and the method is high in practicability.
详细信息 下载全文

申请号:201911043746.X 公开号:CN111017250A 主分类号:B64F5/10
摘要:【中文】本发明公开了螺栓连接热载荷释放设计方法,是一种以金属作为主要结构材料的高超声速飞行器螺栓连接的热载荷释放设计方法。使用沉头螺钉和双耳游动托板自锁螺母固定飞行器舱盖和机身并实现热载荷释放。所述的螺栓用于连接高超声速飞行器两个热变形不匹配结构件,方法通过确定满足热载荷释放条件下的最小间隙来实现设计;所述的间隙为与双耳游动托板自锁螺母固定的结构件记为结构件一与所述螺栓之间的间隙。本发明能够在不更改飞行器主要结构方案的情况下实现简单、有效地释放热应力导致的螺栓连接件各方向极端载荷,增加全金属高超声速飞行器结构连接的承载能力,降低飞行器结构设计及加工成本。 【EN】The invention discloses a design method for releasing thermal load of bolted connection, which is a design method for releasing thermal load of bolted connection of a hypersonic aircraft by taking metal as a main structural material. And fixing the aircraft hatch cover and the aircraft body by using a countersunk head screw and a double-lug floating supporting plate self-locking nut and realizing heat load release. The bolt is used for connecting two thermal deformation unmatched structural members of the hypersonic aircraft, and the method realizes design by determining the minimum clearance meeting the thermal load release condition; the gap is a gap between a structural part I fixed with the double-lug floating supporting plate self-locking nut and the bolt. The invention can simply and effectively release extreme loads of the bolt connecting piece in all directions caused by thermal stress without changing the main structural scheme of the aircraft, increase the bearing capacity of the all-metal hypersonic aircraft structural connection and reduce the structural design and processing cost of the aircraft.
详细信息 下载全文

申请号:202010008012.4 公开号:CN111246050A 主分类号:H04N5/20
申请人:【中文】苹果公司【EN】Apple Inc. 申请日:2015.02.25 公开日:2020.06.05
摘要:【中文】本申请涉及用于视频数据处理的系统、装置和方法。本发明公开了多种视频处理技术和流水线,这些视频处理技术和流水线支持在启用HDR的显示设备和不支持HDR成像的显示设备两者上捕获、分配并显示高动态范围(HDR)图像数据。传感器流水线可从通过传感器使用色调映射例如局部色调映射捕获的HDR数据生成标准动态范围(SDR)数据。用于生成SDR数据的信息可作为元数据与所生成的SDR数据一起被提供至显示器流水线。如果目标显示器不支持HDR成像,则SDR数据可直接由显示器流水线呈现。如果目标显示器支持HDR成像,则可根据用于呈现用于进行显示的HDR数据的元数据来向SDR数据应用反向映射技术。 【EN】The present application relates to systems, apparatuses, and methods for video data processing. Video processing techniques and pipelines are disclosed that enable the capture, distribution, and display of High Dynamic Range (HDR) image data on both HDR-enabled and non-HDR imaging-enabled display devices. The sensor pipeline may generate Standard Dynamic Range (SDR) data from HDR data captured by the sensor using tone mapping, e.g., local tone mapping. The information used to generate the SDR data may be provided as metadata to the display pipeline along with the generated SDR data. If the target display does not support HDR imaging, the SDR data may be rendered directly by the display pipeline. If the target display supports HDR imaging, inverse mapping techniques may be applied to the SDR data according to the metadata used to render the HDR data for display.
详细信息 下载全文

申请号:202010019941.5 公开号:CN111187292A 主分类号:C07F7/08
申请人:【中文】广西师范大学【EN】Guangxi Normal University 申请日:2020.01.09 公开日:2020.05.22
摘要:【中文】本发明公开了一种非均相条件下合成α‑乙烯基硅烷的方法,这种方法在高核团簇[Co14(μ3‑OH4(H2dpbt)6Cl12]•23C6H10O催化下,炔烃与一级硅烷和二级硅烷的高度化学、区域和立体选择性硅氢化反应合成α‑乙烯基硅烷,该高核团簇催化剂对电子无偏的烷基炔具有很高的选择性。 【EN】The invention discloses a method for synthesizing under heterogeneous conditionsαVinyl silane method in high nuclear cluster [ Co ]14(μ3‑OH4(H2dpbt)6Cl12]•23C6H10Synthesis of alkynes by highly chemical, regio-and stereoselective hydrosilylation of primary and secondary silanes under O catalysisαVinylsilanes, the high-cluster catalysts having a high selectivity for electronically unbiased alkylalkynes.
详细信息 下载全文

申请号:202010098311.1 公开号:CN111170924A 主分类号:C07D209/38
申请人:【中文】广西师范大学【EN】Guangxi Normal University 申请日:2020.02.18 公开日:2020.05.19
摘要:【中文】本发明公开了一种电化学合成六氟异丙氧基吲哚化合物的方法。这种方法在电化学条件下吲哚与六氟异丙醇反应生成一系列六氟异丙氧基吲哚化合物,经过体外抗肿瘤活性筛选,发现合成的化合物具有良好的抗肿瘤活性。 【EN】The invention discloses a method for electrochemically synthesizing hexafluoroisopropoxy indole compounds. The method generates a series of hexafluoroisopropoxy indole compounds through the reaction of indole and hexafluoroisopropanol under electrochemical conditions, and the synthesized compounds have good antitumor activity through in vitro antitumor activity screening.
详细信息 下载全文

55 条,当前第 1-10 条 下一页 最后一页 返回搜索页