baber/WOPTO huggingface dataset:
Patent WO-2021027344-A1 (WO)
Inventor: HUANG CHUIBI
IPC: G06F16/51
Filed: 2020-05-09
Abstract: An image processing method and device, an electronic apparatus, and a storage medium. The method comprises: acquiring an image dataset comprising multiple images and first indices respectively associated with the multiple images, the first indices being used to determine spatio-temporal data of objects in the images (S10); performing distributed clustering of the images in the image dataset, and obtaining at least one cluster (S20); and determining, on the basis of the first indices associated with the images in the obtained cluster, spatio-temporal trajectory information of the objects corresponding to the cluster (S30). The method can realize quick and efficient acquisition of a spatio-temporal trajectory of an object.
Patent WO-2021008232-A1 (WO)
Inventor: JI YUNBING
IPC: G02B13/00
Filed: 2020-05-22
Abstract: Provided is an optical imaging lens, said optical imaging lens comprising, in order along the optical axis from the object side to the image side: a prism, the angle between the reflective surface of the prism and the optical axis being 45°; a stop; a first lens having a positive focal power, and a second lens having a focal power; a third lens having a negative focal power; a fourth lens having a focal power; a fifth lens having a focal power, its image side being a convex surface; a sixth lens having a focal power, its object side face being a convex surface; the effective focal length f of the optical imaging lens satisfies f > 23.50 mm.
Patent WO-2021008251-A1 (WO)
Title: 载波频偏确定方法及装置
Inventor: WANG FENGXIANG
IPC: H04L27/00
Filed: 2020-05-29
Abstract: 本公开涉及一种载波频偏确定方法及装置，所述方法包括：根据第一载波的导频时间间隔及导频相位差得到第一载波初始频偏；根据第二载波与所述第一载波的载波频率比及所述第一载波初始频偏得到第二载波频偏；根据所述第一载波初始频偏得到第一载波频偏。本公开提出的载波频偏确定方法简单高效，可以节约信道资源及运算资源，节省开销，可以在提高通信效率的前提下快速获得准确的载波频偏，提高通信的准确性、可靠性、通用性。
Patent WO-2021243539-A1 (WO)
Inventor: YANG LIUXI
IPC: A01C5/06
Filed: 2020-06-02
Abstract: A rotary ditcher for agricultural machinery, comprising a ditcher structure (1), a telescopic rod (8), and a diesel engine. The ditcher structure (1) further comprises a rack (2) and a ditching body (3); the diesel engine is fixedly mounted by means of the rack (2); the diesel engine is connected to the ditching body (3) by means of a belt; the ditching body (3) is rotatably mounted by means of the rack (2); the rack (2) is fixedly mounted by means of an external transportation device; the rack (2) comprises a rotating shaft (5), a support rod (6), and a fixing frame (7); the upper end of the telescopic rod (8) is rotatably mounted by means of the fixing frame (7), and the lower end of the telescopic rod (8) is rotatably mounted by means of the support rod (6); the telescopic rod (8) is electrically connected by means of an external power supply; the rear end of the support rod (6) is rotatably mounted on a side end of the fixing frame (7); the ditching body (3) comprises a fixing disc (9), a sliding groove (10), a discharge spout (11), a fixing block (12), a shovel head (13), and a belt pulley (14). By increasing the soil discharge height and distance, the rotary ditcher reduces the probability of discharged soil falling back into a ditch, and thus improves the ditching efficiency.
Patent WO-2021120546-A1 (WO)
Title: 转子支架、转子、电机及风力发电机组
Inventor: LI YANHUI
IPC: H02K1/27
Filed: 2020-06-10
Abstract: 本申请的实施例提供了一种转子支架、转子、电机及风力发电机组，转子支架包括磁轭、以及设置于磁轭的第一侧面的加强部，磁轭的第二侧面被配置为可操作地设置转子的磁体；加强部覆盖第一侧面的每个能够产生部分磁路的磁路区域，加强部与磁轭叠置的径向厚度之和大于预设厚度，磁轭的径向厚度小于预设厚度。相比现有技术，本申请实施例提供的转子支架可以达到增加厚度以减少磁阻的目的，既满足了电机气隙处的磁密要求，又有效减轻了转子支架的重量。
Patent WO-2020249129-A1 (WO)
Title: Network routing method and apparatus
Inventor: SUN FENGXIN
IPC: H04L45/02
Filed: 2020-06-15
Abstract: The present application discloses a network routing method and apparatus, for solving the problem of stream interruption, packet loss or traffic disturbance caused by the fact that flow affinity cannot be maintained during network routing. The method comprises: a network node receiving a first data message from a client, the first data message comprising the identifier of a service; the network node acquiring, according to the identifier of the service, flow affinity attribute information about the service, the flow affinity attribute information about the service comprising a flow affinity type of the service and a flow affinity timeout time of the service; when the first data message is an initial data message of a data stream, the network node establishing a flow table entry according to the flow affinity attribute information about the service, wherein the flow table entry is used to forward subsequent data messages of the data stream.
Patent WO-2020253748-A1 (WO)
Title: 处理报文的方法、装置及计算机存储介质
Inventor: LI CHENG
IPC: H04L45/42
Filed: 2020-06-17
Abstract: 本申请公开了一种处理报文的方法、装置及计算机存储介质，属于分段路由技术领域。在该方法中，网络节点接收携带SRH的报文，该SRH包括一个或多个TLV、以及TLV处理属性，其中该TLV处理属性指示网络节点是否需要处理SRH包括的TLV；网络节点根据该TLV处理属性决策对SRH包括的TLV的处理。如此，分段路由网络中的任一分段端节点该方法便可实现通过SRH来确定TLV处理属性，以确定是否需要对SRH包括的TLV进行处理。这样就无需该分段端节点本地通过本地配置的策略针对SRH包括的TLV一个一个单独进行判断，从而提高了分段端节点判断是否需要处理TLV的效率。
Patent WO-2021004514-A1 (WO)
Title: Apparatus and method for tunable photonic delay
Inventor: MEHRVAR HAMID
IPC: G02B6/42
Filed: 2020-07-10
Abstract: A system and method for a tunable optical delay line. The tunable optical delay line comprises a coarse delay portion that provides a coarse delay amount, the coarse delay portion including a coarse delay selection element in conjunction with a coarse delay element (102), the coarse delay selection element incorporated on-chip into a photonic integrated circuit (IC) component (203), the coarse delay element (102) being disposed off-chip of the photonic IC component (203) and interconnected with the coarse delay selection element; and a fine delay element (101) that provides a fine delay amount, the fine delay element (101) interconnected in series with the coarse delay selection element, the optical delay line being tunable to a target delay amount by agglomerating the coarse and fine delay amounts.
Patent WO-2022006956-A1 (WO)
Inventor: HUANG LEI
IPC: H04R1/10
Filed: 2020-07-16
Abstract: 本申请公开了一种耳机充电装置及蓝牙耳机，该耳机充电装置包括：装置本体、盖体及设置于装置本体内的伸缩机构，装置本体上开设有用于容纳耳机本体的容纳腔，容纳腔内设置有供电触点，供电触点用于与耳机本体的充电触点配合，耳机充电装置还包括第一驱动组件；第一驱动组件能驱动盖体相对装置本体开启，以露出容纳腔，伸缩机构能将耳机本体至少部分的推出容纳腔，以使供电触点与充电触点分离，以在耳机本体充电完成后，将耳机本体从容纳腔中推出，以使而耳机本体位于容纳腔外部的体积较大，利于用户的拿取。另外，采用伸缩机构及第一驱动组件进行联动控制，利于耳机本体的放置充电及取出使用。
Patent WO-2021253573-A1 (WO)
Inventor: CHEN XIANMING
IPC: H01L23/552
Filed: 2020-07-24
Abstract: 本申请公开了一种散热兼电磁屏蔽嵌埋封装结构及其制作方法和基板，该散热兼电磁屏蔽嵌埋封装结构包括：介质层，包括上表面和下表面，介质层内部设置有至少一个空腔单元；绝缘层，设置于空腔单元中，空腔单元被绝缘层部分填充；电子元件，一端嵌埋于绝缘层中，另一端外露于空腔单元中，电子元件包括端子；通孔，贯穿于介质层的上表面和下表面，并与端子连通；金属层，覆盖在介质层的六个表面和通孔内，分别用于形成屏蔽层和线路层，屏蔽层覆盖电子元件外露一端，屏蔽层与线路层通过介质层阻隔。本申请的散热兼电磁屏蔽嵌埋封装结构及其制作方法和基板能够同时实现较好的电磁辐射屏蔽和散热功能。
Patent WO-2021043003-A1 (WO)
Inventor: KANG JIANCHAO
IPC: H04W4/80
Filed: 2020-08-21
Abstract: L'invention concerne un procédé et un appareil de transmission de données par Bluetooth, un terminal et un support de stockage. Le procédé de transmission de données Bluetooth consiste à : détecter le nombre et les types de dispositifs Bluetooth connectés ; déterminer, en fonction du nombre et des types de dispositifs Bluetooth connectés, les états d'attribut des dispositifs Bluetooth connectés ; et transmettre, en fonction des états d'attribut, les données Bluetooth à délivrer, à l'un des dispositifs Bluetooth connectés.
Patent WO-2021032209-A1 (WO)
Inventor: LI YAO
IPC: C07D413/14
Filed: 2020-08-24
Abstract: L'invention concerne un composé de formule (I-a), un isomère de celui-ci ou un sel pharmaceutiquement acceptable de celui-ci servant d'inhibiteur d'hémagglutinine, et son procédé de préparation. Le composé est utile pour la préparation d'un médicament destiné au traitement d'une maladie associée à l'hémagglutinine.
Patent WO-2021043228-A1 (WO)
Title: Multi-link transmission and reception method and device, storage medium and terminal
Inventor: ZHAO YUREN
IPC: H04W56/00
Filed: 2020-09-04
Abstract: Provided are a multi-link transmission and reception method and device, a storage medium and a terminal, wherein the multi-link transmission method comprises: determining a link synchronization group, wherein the link synchronization group comprises a single main link and at least one secondary link, the at least one secondary link is synchronized with the main link; and when multi-link synchronous transmission is performed, different data packets are transmitted on the main link and the secondary link respectively. The technical solution provided by the present invention facilitates to improve the data transmission efficiency, and provides a feasible technical solution for multi-link synchronous transmission.
Patent WO-2021248721-A1 (WO)
Inventor: DU WENZHI
IPC: A61M16/10
Filed: 2020-09-09
Abstract: Disclosed is an oxygen mixing system (11), comprising an oxygen control module (11-1), an oxygen mixing module (11-2) in communication with the oxygen control module (11-1), and a gas release device (113). The oxygen control module (11-1) comprises an oxygen seat (111), wherein the oxygen seat (111) is connected to an oxygen control valve (112), and is then in communication with the oxygen mixing module (11-2) by means of the oxygen control valve (112). The gas release device (113) covers a connection port on the oxygen control module (11-1), and a gas guide hole (1131) is provided on the gas release device (113). The oxygen mixing module (11-2) comprises an oxygen mixing chamber (1148), wherein an air blower is arranged in the oxygen mixing chamber (1148); an oxygen inlet (1141) and an air inlet (1146), which are in communication with the oxygen seat (111), are provided on the oxygen mixing module (11-2); and the oxygen inlet (1141) is in communication with the oxygen mixing chamber (1148) by means of an oxygen channel (1143), the air inlet (1146) is in communication with the oxygen mixing chamber (1148) by means of an air channel (1145), and the oxygen mixing chamber (1148) is in communication with a conveying channel. The oxygen mixing system (11) is convenient to operate, simple to replace, and has a simple manufacturing process and high stability during actual manufacturing.
Patent WO-2021052250-A1 (WO)
Inventor: YE QIN
IPC: A24F47/00
Filed: 2020-09-11
Abstract: An atomization core (10), an atomizer (20) and an electronic atomization device. The atomizer (20) has a liquid storage cavity (700) for storing a liquid. The atomization core (10) comprises: a base (100) for introducing a liquid from the liquid storage cavity (700); a first heating element (200) and a second heating element (300) which are provided on the base (100), the first heating element (200) pre-heating the liquid to be introduced into the base (100), the second heating element (300) heating and atomizing the liquid which has been introduced into the base (100), and the heating temperature of the second heating element (300) being higher than the preheating temperature of the first heating element (200); and a valve assembly (400), comprising a sealing piston (410) capable of moving in the liquid storage cavity (700) and having a first position and a second position, and when the first heating element (200) stops working, the sealing piston (410) preventing the liquid from contacting the base (100) in the first position, and when the first heating element (200) works, the sealing piston (410) allowing the liquid to contact the base (100) in the second position. In this way, liquid leakage and dry burning of the atomization core (10) can be avoided.
Patent WO-2022056734-A1 (WO)
Title: Method for remote debugging of gateway when wan connection of gateway is lost
Inventor: CHEN BO
IPC: H04L12/703
Filed: 2020-09-16
Abstract: A method for remotely debugging a gateway device includes causing the gateway device to enter a diagnose mode to collect debug information when a wide area network (WAN) connection of the gateway device is lost. The gateway device transmits the debug information to an electronic device associated with a local area network (LAN) of the gateway device, receives command line interface (CLI) instructions from the electronic device based on the debug information, and performs one or more debug operations based on the CLI instructions. When a home SSID associated with the gateway device is functioning and a wireless LAN connection associated with the home SSID is active, the gateway device communicates with the electronic device over the wireless LAN connection. When the home SSID is not functioning and the WLAN connection is inactive, the gateway device communicates with the electronic device over a wired Ethernet connection.
Patent WO-2022067631-A1 (WO)
Inventor: WANG HONGJUAN
IPC: A61P17/18
Filed: 2020-09-30
Abstract: Provided is a composition for whitening and/or brightening keratin materials comprising: (i) polydatin; (ii) at least one of a) and b) : a) benzylidene camphor derivative; b) at least two combination of b1) mangiferin, b2) niacinamide or derivative thereof and b3) a4-hydrobenzylidene malonate derivative; wherein the amount of UV-filter, if presents, is no more than 0.5 wt. %, relative to the total weight of the composition. Provided is also a cosmetic process for whitening and/or brightening keratin materials, in particular the human skin.
Patent WO-2022067729-A1 (WO)
Title: Discontinuous reception method, terminal device and network device
Inventor: SHI CONG
IPC: H04W52/02
Filed: 2020-09-30
Abstract: Provided by the embodiments of the present application are a discontinuous reception method, a terminal device and a network device, which can reduce unnecessary PDCCH monitoring by a terminal device on some or all DRX groups by means of using DCP when multiple DRXs are configured for a MAC entity, so as to save power for a terminal. The discontinuous reception method comprises: a terminal device receives first information, the first information being used to indicate at least one DRX group controlled by the DCP, wherein the at least one DRX group comprises a primary DRX group and/or a secondary DRX group.
Patent WO-2021196548-A1 (WO)
Inventor: HU GANG
IPC: G01M11/02
Filed: 2020-09-30
Abstract: A distance determination method, apparatus and system, relating to the technical field of image processing. The distance determination method comprises: acquiring a primary visual image photographed by a primary camera and an original secondary visual image photographed by a secondary camera (S202); acquiring, by means of feature extraction and feature matching, an initial matching point pair between the primary visual image and the original secondary visual image (S204); correcting the original secondary visual image on the basis of the initial matching point pair and different constraint conditions sequentially, so as to obtain a target secondary visual image, the different constraint conditions comprising: a minimum rotation angle and a minimum parallax (S206); and determining a focusing distance according to the primary visual image and the target secondary visual image (S208). The focusing distance can be determined more accurately.
Patent WO-2021088588-A1 (WO)
Inventor: ZHAO YAWEN
IPC: F16H57/00
Filed: 2020-10-10
Abstract: An assembly structure of a sun gear shaft (10) and a spline shaft (20) of a wind power gear box, comprising: the sun gear shaft (10); the spline shaft (20), wherein the spline shaft (20) is a hollow shaft, and one end of the sun gear shaft (10) penetrates into the spline shaft (20) and is connected to the spline shaft (20) by means of a spline pair (21); a mechanical pump driving gear (40) mounted at one end of the spline shaft (20) and having an inner diameter smaller than that of the spline shaft (20); and a distance ring (30) provided in the spline shaft (20), wherein a first end of the distance ring (30) abuts against an inner side of the mechanical pump driving gear (40) and is fixedly connected to the mechanical pump driving gear (40), and a second end of the distance ring (30) and an end portion, located in the spline shaft (20), of the sun gear shaft (10) are arranged at an interval.
Patent WO-2021083098-A1 (WO)
Inventor: TANG CHUANXIANG
IPC: G03F7/20
Filed: 2020-10-27
Abstract: An electron-beam bunch storage ring (100). The electron-beam bunch storage ring (100) comprises several deflection structures (110) and several straight line segments (120) connected to the deflection structures (110); the deflection structures (110) and the straight line segments (120) jointly form an annular structure suitable for the continuous surrounding operation of an electron-beam bunch; in an operation direction of electron beams, each of the deflection structures (110) is sequentially provided with a front-end matching segment (116), a front-end matching unit (118), several main units (112) arranged on one another successively, a rear-end matching unit (119) and a rear-end matching segment (122). Magnets in the electron-beam bunch storage ring (100) are properly arranged, such that the integral values of the dispersion functions of all the dipole magnets (B1, Bm) outside a matching unit (114) are zero. Furthermore, the dispersion functions and derivative values thereof at an inlet of the front-end matching unit (118) and at an outlet of the rear-end matching unit (119) are zero, and derivative values of the dispersion functions at junctions of the dipole magnets (B1, Bm) of adjacent main units (112) are zero.
Patent WO-2021083153-A1 (WO)
Title: Uci复用配置方法、装置、设备及计算机可读存储介质
Inventor: JU WENTAO
IPC: H04W72/12
Filed: 2020-10-27
Abstract: 一种UCI复用配置方法、装置、设备及计算机可读存储介质，方法包括：获取需要在物理上行共享信道PUSCH复用的UCI的比特长度(S101)，以及所述PUSCH的信噪比(S102)；根据所述信噪比获取所述UCI在所述PUSCH上复用时对应的传输块大小、调制和码率方案、物理资源块数目，以及所述UCI在所述信噪比下对应的目标码率(S103)；根据所述比特长度、传输块大小、调制和码率方案MCS、物理资源块数目以及目标码率，得到所述UCI在所述目标码率下的资源元素RE数(S104)；基于所述RE数计算得到所述PUSCH的贝塔偏移值BetaOffset，并基于所述BetaOffset生成UCI复用配置信息(S105)。
Patent WO-2021139338-A1 (WO)
Inventor: ZHAO YIYANG
IPC: G06F21/60
Filed: 2020-10-29
Abstract: A method for data access permission verification, an apparatus, a computer device, and a storage medium, relating to the blockchain field. The method comprises: a first server (110) creating an access message, encrypting and digitally signing same, sending same to the blockchain (130), then sending a data access request to a second server (120); upon receiving said request, the second server (120) obtains from the blockchain (130) the access message of the first server (110), verifies the signature of same and decrypts same to generate a decrypted access message, then audits the permissions of same, and generates an authorization result for same; the authorization result is then encrypted and digitally signed, and sent to the block chain (130), and an access response is sent to the first server (110); when the access response is received, the first server (110) obtains from the block chain (130) the authorization result, proceeds with signature verification and decryption of same to generate a decrypted authorization result, then, on the basis of said decrypted authorization result, determines whether to proceed with data access. Use of the present method reduces data sharing security risks.
Patent WO-2022062075-A1 (WO)
Title: Automatic return shower head and use method
Inventor: YU ZHANGJUN
IPC: B05B1/16
Filed: 2020-11-02
Abstract: An automatic return shower head (10) and a use method therefor. The automatic return shower head (10) comprises a shower head body (11), a valve (12), a water distribution disc (13), a switching return assembly (14), and a handle (15). Water distribution holes (18) are formed on the valve (12), and the valve (12) is fixed to the joint of the shower head body (11) and the handle (15) and located between a water feed channel (16) and a water outlet channel (17). The water distribution disc (13) is provided inside the joint of the shower head body (11) and the handle (15), and rotates relative to the valve (12) so as to adjust water flows entering the water outlet channel (17) from the water distribution holes (18). The switching return assembly (14) comprises a knob (19), a switching assembly (20), and a return portion (21). The knob (19) is provided on a wall surface of the joint of the shower head body (11) and the handle (15). When the knob (19) is rotated in a forward direction, the switching assembly (20) drives the water distribution disc (13) to move. The return portion (21) is in linkage with the knob (19) so as to drive the knob (19) to move in a reverse direction to reset. The automatic return shower head (10) solves the problem of inconvenience in use resulting from existing multifunctional shower heads failing to be operated using one hand.
Patent WO-2022094851-A1 (WO)
Inventor: Li yong min
IPC: B25C1/06
Filed: 2020-11-05
Abstract: La présente invention concerne un système de commande pour un outil électrique qui comprend : une unité de détection configurée pour détecter une caractéristique de fonctionnement de l'outil électrique; une première unité de commande configurée pour déterminer si la caractéristique de fonctionnement est dans une plage opérationnelle de sécurité, et pour émettre un premier signal de commande au moins partiellement sur la base de la détermination; une seconde unité de commande configurée pour déterminer si la caractéristique de fonctionnement est dans une plage opérationnelle de sécurité indépendamment de la première unité de commande, et pour émettre un second signal de commande au moins partiellement sur la base de la détermination; et une unité de sortie configurée pour recevoir les premier et second signaux de commande et pour activer l'outil électrique lorsque les premier et second signaux de commande sont reçus.
Patent WO-2021104381-A1 (WO)
Title: Procédé et dispositif de stylisation de vidéo et support de stockage
Inventor: HSIAO JENHAO
IPC: G06N3/04
Filed: 2020-11-26
Abstract: L'invention concerne un procédé et un dispositif permettant de styliser une vidéo et un support de stockage non-transitoire, ainsi qu'un procédé et un dispositif permettant de former un réseau neuronal convolutif (CNN) et un support de stockage non transitoire. Dans le procédé, chaque image d'une pluralité d'images d'origine de la vidéo est transformée en une image stylisée au moyen d'un premier CNN permettant la stylisation; au moins une première perte est déterminée en fonction d'une première image d'origine et d'une seconde image d'origine de la pluralité d'images d'origine, la seconde image d'origine étant adjacente à la première image d'origine; le premier CNN est formé en fonction d'au moins une première perte; et la vidéo est stylisée au moyen du premier CNN formé.
Patent WO-2022116125-A1 (WO)
Title: 一种天线模组及天线阵列
Inventor: ZHOU WEIXI
IPC: H01Q1/48
Filed: 2020-12-04
Abstract: 本申请实施例提供的天线模组通过两个馈电结构分别激励起两路正交的辐射能量，实现双极化。并且，本申请提供的天线模组结构在使用时能够覆盖所有的商用毫米波频段，可以无缝实现全球漫游，有很强的商用价值。
Patent WO-2021110164-A1 (WO)
Inventor: LU YI
IPC: A61P37/02
Filed: 2020-12-07
Abstract: Provided is a liquid preparation containing an anti-IL-17 antibody at a concentration of 20 mg/mL to 200 mg/mL, a citrate buffer at a concentration of 10 mM to 50 mM, a sucrose at a concentration of 20 mg/mL to 120 mg/mL or arginine at a concentration of 50 mM to 250 mM, and polysorbate 80 at a concentration of 0.1 mg/mL to 5 mg/mL. In addition, the liquid preparation has a pH of 6.0 ± 0.5, wherein the anti-IL-17 antibody is an anti-IL-17A/F monoclonal antibody. The liquid preparation can be a stable subcutaneous injection preparation, and can be used to treat IL-17A and/or IL-17F related diseases, such as psoriasis, psoriatic arthritis, ankylosing spondylitis, rheumatoid arthritis, multiple sclerosis, systemic lupus erythematosus, osteoarthritis, or inflammatory bowel disease.
Patent WO-2021115263-A1 (WO)
Title: 一种基于异型坯轧制成型的热轧h型钢及其制备方法
Inventor: ZHAO PEILIN
IPC: C22C38/08
Filed: 2020-12-08
Abstract: 本发明公开一种基于异型坯轧制成型的热轧H型钢制造方法，其化学成分组成按重量百分比计，为：C：0.04～0.08；Si：≤0.25；Mn：1.25～1.45；V：0.04～0.10；Ni：0.2～1.0；P≤0.02；S≤0.01；Nb：0.02～0.06，Al：0.02～0.06；N≤0.015；O≤0.005；其余为铁Fe和不可避免杂质；所述H型钢上下翼缘屈服强度≥420MPa；-40℃横向冲击功≥34J，-60℃纵向冲击功≥120J。所述H型钢制备方法，包括以下步骤：1)冶炼及连铸工序：采用转炉冶炼、LF精炼并浇铸成异型连铸坯，2)轧制工序：加热；轧制；轧后冷却。本发明所涉及海工用耐低温H型钢产品力学性能良好，易于工业化制备，降低对轧制设备的要求；适合极端气温条件地区使用。