baber/WOPTO huggingface dataset:
Patent WO-2020154892-A1 (WO)
Inventor: ZHANG ZHIHUA
IPC: A61K49/06
Filed: 2019-01-29
Abstract: 本发明提供了一种钆系离子型造影剂中间体的制备方法及应用。该制备方法包括如下步骤：通式(II)所示的物质和通式(III)所示的物质或通式(IV)所示的物质在碱性催化剂存在下，反应生成含有通式(I)或通式(V)所示结构的钆系离子型造影剂中间体；其中，R代表C 1-C 5的烷基、苄基或苄基衍伸物，R 1代表-H或-CH 2OH，R 2代表-CH 3或-OH。使用上述制备方法制备含有通式(I)所示结构的钆系离子型造影剂中间体，反应简单，步骤少，反应可控，产率可达99％及以上，得到的产物的纯度大于99.5％。
Patent WO-2020154948-A1 (WO)
Inventor: LIU QIMING
IPC: G05D1/10
Filed: 2019-01-30
Abstract: 一种负载的控制方法及装置，该方法包括：获取所述移动平台的任务信息，所述任务信息用于指示预设负载执行预设动作；根据所述任务信息，在多个所述负载中确定出所述预设负载；基于所述预设负载的工作状态，控制多个所述负载中的指定负载对所述预设动作执行相应的操作。采用本发明实施例，可以根据任务信息所指示的预设负载的工作状态调度指定负载执行预设动作，以提高移动平台的任务执行的成功率。
Patent WO-2019154415-A1 (WO)
Title: Antibodies to t cell immunoreceptor with ig and itim domains (tigit) and uses thereof
Inventor: CUI FEIFEI
IPC: A61P35/00
Filed: 2019-02-11
Abstract: Provided are antibodies and fragments thereof having specificity to a human T cell immunoreceptor with Ig and ITIM domains (TIGIT) protein. Provided are methods of using the antibodies or fragments thereof for treating and diagnosing diseases such as cancer and viral infections.
Patent WO-2020177032-A1 (WO)
Title: Fingerprint recognition apparatus and electronic device
Inventor: GUO YIPING
IPC: G06F3/041
Filed: 2019-03-01
Abstract: Provided are a fingerprint recognition apparatus and an electronic device, the fingerprint recognition apparatus being used in an electronic device having a display screen, and the fingerprint recognition apparatus comprising: a circuit board; at least one fingerprint sensor chip, the at least one fingerprint sensor chip being disposed over the circuit board; the at least one fingerprint sensor chip being connected to the circuit board; the circuit board being mounted below the display screen, so as to cause the at least one fingerprint sensor chip to be positioned below the display screen. In embodiments of the present application, it is possible to lower installation costs and complexity of the at least one fingerprint sensor chip by means of the circuit board, while increasing reparability. In particular, for the scenario of a plurality of fingerprint sensor chips, the mounting complexity can be effectively reduced, and the mounting efficiency of the fingerprint sensor chips can be improved.
Patent WO-2020133718-A1 (WO)
Inventor: AI FEI
IPC: G02F1/13
Filed: 2019-03-14
Abstract: 一种高穿透性液晶显示面板制造方法，包括：折射率渐变层(30)形成步骤(S01)、栅极绝缘层(40)形成步骤(S02)、第一层间绝缘层(50)形成步骤(S03)以及第二层间绝缘层(60)形成步骤(S04)。折射率渐变层(30)形成步骤包括沉积氮化硅层(20)到玻璃基板(10)上，接着沉积折射率渐变层(30)到氮化硅层(20)上，其中折射率渐变层(30)以氧化硅制造，且折射率渐变层(30)包括下折射率递减层(31)以及下折射率恒定层(32)，下折射率递减层(31)的折射率是沿着远离氮化硅层(20)的方向而逐渐递减，下折射率恒定层(32)是沉积在下折射率递减层(31)上。可降低光在多膜层间的反射率，从而提升显示面板的透光性。
Patent WO-2019174637-A1 (WO)
Inventor: LIU JIAJIAN
IPC: A61K39/395
Filed: 2019-03-15
Abstract: 本发明公开了一种TIM-3抗体、其抗原结合片段及其医药用途。具体地，本发明公开了包含所述TIM-3抗体CDR区的鼠源抗体，嵌合抗体、人源化抗体，全人源化抗体，快速结合、慢解离抗体，激活人血细胞功能活性优良的Tim-3抗体，以及包含人TIM-3抗体及其抗原结合片段的药物组合物，以及其作为抗癌药物的用途。尤其地，本发明公开了TIM-3抗体，联合PD-1抗体的药物组合，及其在肿瘤治疗中的用途。
Patent WO-2020164171-A1 (WO)
Inventor: CHOU ZHI
IPC: G01S17/88
Filed: 2019-03-19
Abstract: A solid-state laser radar device (200) includes a laser emitter (210), a laser receiver (220), and a controller (230). The laser emitter (210) is configured to emit a plurality of scan laser beams. The laser emitter (210) includes a laser unit and at least one phased array chip. The laser unit is configured to emit an original laser beam, and the at least one phased array chip is configured to generate the plurality of scan laser beams based on the original laser beam. The phased array chip includes a plurality of phased array units arranged in an array for generating the plurality of scan laser beams. The plurality of phased array units correspond to the plurality of scan laser beams. At least one phased array unit (320) of the plurality of phased array units is asymmetric. The laser receiver (220) is configured to receive an echo signal and generate an electrical signal based on the received echo signal. The echo signal is a laser beam of the plurality of scan laser beams reflected by the target object. The controller (230) is configured to control the laser emitter (210) and the laser receiver (220).
Patent WO-2019192397-A1 (WO)
Title: End-to-end recognition method for scene text in any shape
Inventor: BAI XIANG
IPC: G06K9/34
Filed: 2019-03-29
Abstract: An end-to-end recognition method for a scene text in any shape, comprising: extracting a text feature by means of a feature pyramid network for generating a candidate text box by a region extraction network; and then adjusting the position of the candidate text box by means of a fast region classification and regression branch to obtain more accurate text bounding box position information; inputting the text bounding box position information into a segmentation branch to obtain a predicted symbol sequence by means of a pixel voting algorithm; finally, processing the predicted symbol sequence by means of a weighted edit distance algorithm to locate the most matching word of the predicted sequence in a given dictionary to obtain the final text recognition result. The method can detect and recognize scene texts in any shape in a natural image, comprising a horizontal text, a multi-directional text, and a curved text, and can perform an end-to-end training completely. The detection and recognition method has a strong practical application value.
Patent WO-2019214373-A1 (WO)
Inventor: ZHANG HONGSHUN
IPC: H04N19/119
Filed: 2019-04-03
Abstract: L'invention concerne un procédé et un appareil de division d'unité de codage de trame vidéo, un support de stockage et un appareil électronique. Le procédé comprend les étapes consistant à : selon des types de trame et des types d'unité de codage qui ont une corrélation, déterminer un type d'unité de codage cible correspondant à un type de trame cible d'une trame cible, le type d'unité de codage cible étant utilisé pour indiquer une profondeur de division lorsque la trame cible est divisée ; lorsqu'une unité de codage cible du type d'unité de codage cible est divisée dans la trame cible, déterminer, selon des informations d'unité de codage de l'unité de codage cible, si l'unité de codage cible satisfait une condition cible, de façon à obtenir un résultat cible ; et exécuter une opération de division correspondant au résultat cible sur l'unité de codage cible. La présente invention résout le problème technique, rencontré dans l'état de la technique, lié à la vitesse de codage de trame relativement faible.
Patent WO-2020087882-A1 (WO)
Inventor: HE MANCHAO
IPC: E02B9/00
Filed: 2019-04-18
Abstract: A full-underground pumped-storage power plant, comprising: a high-level water storage area (19) and a low-level water storage area (20); a water conveying channel (15) that communicates between the high-level water storage area (19) and the low-level water storage area (20); a two-way generator set that is provided between the high-level water storage area (19) and the low-level water storage area (20) and that is used to pump water for energy storage or power generation by means of the water conveying channel (15). By means of a formation method for the full-underground pumped-storage power plant, the high-level water storage area (19) and the low-level water storage area (20) are underground water storage areas, and the underground water storage areas are located in an underground space of an abandoned mine.
Patent WO-2020211069-A1 (WO)
Title: Apparatus and method for high throughput parallel nucleic acid sequencing
Inventor: DENG DAVID XINGFEI
IPC: C12Q1/68
Filed: 2019-04-19
Abstract: A method and an apparatus for nucleic acid sequencing are provided. The method includes immobilizing capturing oligonucleotides with different sequences in reaction wells, immobilizing single-stranded nucleic acid templates in the reaction wells via annealing between the templates and the capturing oligonucleotides, amplifying the immobilized nucleic acid templates and producing a population of template clones annealed with a plurality of sequencing primers. The method further includes sequentially disposing different types of nucleotide trisphosphates, detecting, by ion-sensitive field-effect transistors, ion concentration change in the reaction wells in response to incorporation of one of the nucleotide trisphosphates at 3' end of sequencing primers, when the nucleotide trisphosphates is complementary to a corresponding nucleotide in the template clones, and sequencing the template clones by repeating the sequentially disposing and the detecting. A method for producing single-stranded nucleic acid template clones on a reaction well array is also provided.
Patent WO-2020107781-A1 (WO)
Inventor: WU JIANPING
IPC: C12P41/00
Filed: 2019-04-23
Abstract: Disclosed is a novel method for preparing (S)-1,2,3,4-tetrahydroisoquinoline-3-formic acid by enzymatic resolution. Said method comprises: using racemic 1,2,3,4-tetrahydroisoquinoline-3-formic acid or a salt thereof as a substrate, using an in vitro D-amino acid oxidase or a cell expressing a D-amino acid oxidase intracellularly as a catalyst to selectively catalyze the oxidative dehydrogenation reaction of (R)-1,2,3,4-tetrahydroisoquinoline-3-formic acid, and (S)-1,2,3,4-tetrahydroisoquinoline-3-formic acid being not catalyzed and retained in the reaction system, thereby preparing and obtaining (S)-1,2,3,4-tetrahydroisoquinoline-3-formic acid. The (S)-1,2,3,4-tetrahydroisoquinoline-3-formic acid is a key intermediate of the antihypertensive drug Quinapril. The present invention has a reaction yield greater than 49% and an e.e. value up to 99%, and has the features of mild reaction conditions, high stereoselectivity and reaction efficiency, and a relatively simple process.
Patent WO-2019206209-A1 (WO)
Inventor: XIONG JIANHAO
IPC: A61B3/14
Filed: 2019-04-25
Abstract: 一种基于机器学习的眼底图像检测方法、装置及系统，方法包括如下步骤：获取待检测的眼底图像（S11）；利用第一分类模型（20）针对眼底图像的整体区域进行分类，确定眼底图像中是否包含第一特征（S12）；以及利用至少一个第二分类模型（30）针对眼底图像中的特定区域进行分类，确定眼底图像中是否包含第二特征，其中第一特征的显著度大于第二特征的显著度（S13）；至少根据第一分类模型（20）和第二分类模型（30）的分类结果确定检测结果（S14）。
Patent WO-2020186603-A1 (WO)
Title: Image recognition method and apparatus
Inventor: ZHOU TING
IPC: G06K9/00
Filed: 2019-04-26
Abstract: Disclosed are an image recognition method and apparatus. The method comprises: acquiring an image to be recognized comprising a target vehicle; recognizing a horizontal edge and a vehicle underbody feature on the target vehicle in the image to be recognized, wherein the vehicle underbody feature comprises a vehicle underbody shadow and/or wheels; and determining a vehicle underbody edge of the target vehicle from the recognized horizontal edge according to the relative position of the vehicle underbody feature and the horizontal edge of the target vehicle. In the embodiment of the present application, because the vehicle underbody edge is usually the most protruding edge on the target vehicle and can be used for characterizing the position of the target vehicle, and the vehicle underbody edge is close to the vehicle underbody feature, the vehicle underbody edge is recognized according to the relative position of the vehicle underbody feature and the horizontal edge, so that the recognition accuracy of the vehicle underbody edge can be improved, thereby improving the actual positioning accuracy of a vehicle.
Patent WO-2019210883-A1 (WO)
Title: Collimator for detector, and application thereof
Inventor: LIU YAQIANG
IPC: A61B6/03
Filed: 2019-05-06
Abstract: A collimator (10) for a detector (600). The collimator (10) comprises: a base plate (100), the base plate (100) being provided with imaging through holes (110) distributed in an array, each of the imaging through holes (110) comprising a first hole segment (111) and a second hole segment (112), the transverse size of the first hole segment (111) gradually decreasing in a direction from a free end to the second hole segment (112), and the transverse size of the second hole segment (112) gradually decreasing in a direction from the free end to the first hole segment (111); a shielding ring (200), the shielding ring (200) being formed on the base plate (100); and a top plate (300), the top plate (300) being disposed in the shielding ring (200) and closing at least a part of an opening of the shielding ring (200), the top plate (300) being provided with shielding through holes (310) distributed in an array, and the imaging through holes (110) and the shielding through holes (310) having one-to-one correspondence.
Patent WO-2020103403-A1 (WO)
Inventor: XU WENLIANG
IPC: H04W24/02
Filed: 2019-05-08
Abstract: Embodiments of the present disclosure provide methods and apparatuses for parameter configuration. A method implemented at a network device may comprise receiving from a server a parameter provisioning request including one or more communication pattern (CP) parameter sets associated with respective CP parameter set identifiers. The method may further comprise generating a parameter provisioning response including respective result of at least one of the one or more CP parameter sets indicating whether the at least one of the one or more CP parameter sets is provisioned successfully or not. The method may further comprise sending the parameter provisioning response to the server.
Patent WO-2019242438-A1 (WO)
Title: 阵列基板及其制作方法、显示装置
Inventor: YAO LEI
IPC: H01L27/12
Filed: 2019-05-16
Abstract: 一种阵列基板及其制作方法、显示装置。该阵列基板包括：衬底基板(1)；设置在衬底基板(1)的一侧的多条栅线(61)；设置在多条栅线(61)的远离衬底基板(1)的一侧且与多条栅线(61)相互交叉的多条数据线(81)；以及设置在每条栅线(61)与衬底基板(1)之间的多个遮光金属部(2)；每条栅线(61)包括多个由各数据线分隔形成的栅线子段(611、612)，每条栅线(61)中每相邻的两个栅线子段(611、612)与一个遮光金属部(2)对应，且每条栅线(61)中每相邻的两个栅线子段(611、612)通过对应的遮光金属部(2)串联。
Patent WO-2020215427-A1 (WO)
Inventor: WANG YAMIN
IPC: C09K11/06
Filed: 2019-05-23
Abstract: The invention relates to an electroluminescent material, wherein a 9,9'-bianthracene group is selected as a homogeneous binuclear electronic group, and same is responsible for the main absorption and emission of the final compound and can control the size of a final molecule, and the invention further proposes a homogeneous binuclear system. Specifically, 9,9'-bianthracene derivatives are reacted with 1-bromo-3,5-biphenyl, 1-bromobenzene-3,5-biphenyl and a mixture of 1-bromo-3,5-biphenyl and 1-bromobenzene-3,5-biphenyl, respectively, in order to prepare an electroluminescent material with a wide band gap, a high fluorescence quantum yield and a good thermal stability, and the luminous efficiency of the electroluminescent material is thus effectively improved.
Patent WO-2020010931-A1 (WO)
Inventor: PAN SHENGFENG
IPC: G06F16/00
Filed: 2019-05-27
Abstract: 本申请涉及一种自动生成相似问句的方法、装置、计算机设备和存储介质；所述方法包括获取初始问句；根据所述初始问句生成拓展问句；判断拓展问句是否为相似问句，并根据判断结果标记出相似问句。本申请提出一种利用计算机自动生成相似问句的方法，节省了人工标注相似问句所耗费的人力资源，能够降低机器人客服的成本；并且计算机生成的效率更高、花费时间更短，有利于临时增加FAQ的情况，使用更灵活。
Patent WO-2020103417-A1 (WO)
Inventor: SHI LEI
IPC: G06K9/62
Filed: 2019-05-27
Abstract: The present invention relates to the technical field of intelligent decision making, and provides a BMI evaluation method and device, and a computer readable storage medium. The method comprises: collecting sample face image data, the sample face image data comprising a BMI value (S10); training the sample face image data by adopting a convolutional neural network to obtain a training model (S20); obtaining a face image to be detected, positioning face key feature points of said face image, and obtaining the face key points (S30); performing face contour extraction according to the face key points to obtain a face contour (S40); performing equal-proportion stretching on the face contour according to a perspective view angle to obtain a preprocessed face image (S50); and performing category prediction on the preprocessed face image according to the training model to obtain an evaluation BMI value of said face image (S60). By means of the method, the BMI value can be rapidly detected in real time, and the BMI measurement difficulty of a measurer is reduced.
Patent WO-2020199360-A1 (WO)
Inventor: LI WENSHENG
IPC: C02F9/14
Filed: 2019-06-17
Abstract: The present invention provides a method for deep removal of phosphorus and nitrogen in sewage treatment. The method comprises the following steps: raw water enters a pre-denitration area to be subjected to a denitrification reaction with nitrate nitrogen in sludge flowing back to the pre-denitration area from a settling area; a sludge-containing mixed liquid passing through the pre-denitration area enters an anaerobic area to be subjected to a biological phosphorus removal reaction; the sludge-containing mixed liquid passing through the anaerobic area enters an anoxic area to be subjected to a denitrification reaction with a nitrification liquid flowing back to the anoxic area from an aerobic area; the sludge-containing mixed liquid passing through the anoxic area enters the aerobic area to be subjected to a nitration reaction, and meanwhile part of the nitrification liquid flows back to the anoxic area; the sludge-containing mixed liquid passing through the aerobic area enters the settling area to separate out supernatant and the sludge, the supernatant enters a biofiltration area so that SS is filtered and removed, part of the sludge flows back to the pre-denitration area, and the remaining sludge is discharged outwards; and clear water passing through the biofiltration area enters a clear water area. The present invention can avoid the interference of the nitrate nitrogen in backflow sludge to biological phosphorus removal, and particularly the efficiency of phosphorus and nitrogen removal of sewage having low C/N and C/P specific values can be improved.
Patent WO-2020029699-A1 (WO)
Title: Data sending method and apparatus, storage medium, and sending end
Inventor: WANG TINGTING
IPC: H04W28/12
Filed: 2019-06-26
Abstract: A data sending method and apparatus, a storage medium, and a sending end. The method comprises: determine an activation instruction, the activation instruction using multiple bits to indicate sending end logical channels to be used of each RB; and for each RB, a sending end PDCP entity duplicates a PDCP data packet according to the number n of the sending end logical channels to be used of the RB, and sends the duplicated PDCP data packet to a receiving end by means of the sending end logical channels to be used, the maximum value of the number n of the sending end logical channels of each RB being greater than 2. The solution of the present invention can improve the accuracy of an instruction, thereby facilitating improving transmission resource utilization efficiency.
Patent WO-2020258298-A1 (WO)
Title: 一种海洋鱼群监视装置和监视方法
Inventor: LIU HAOYUAN
IPC: G01S15/96
Filed: 2019-06-28
Abstract: 一种海洋鱼群监视装置和监视方法。监视装置包括设备主体（1）和云端服务器，设备主体（1）漂浮在海平面上，设备主体（1）上包括摄像装置（9）、存储装置（3）、定位装置（5）、驱动装置（6）、超声波装置（7）、无线通讯装置（4）、数据处理装置（2），云端服务器包括无线通讯模块、处理器单元、存储模块，将很多设备漂浮在水面上，间距200-300米，设备之间通过无线连接进行通讯。如果视野内有鱼群经过，设备工作，摄像头记录鱼群情况，并根据鱼群的方向，唤醒相应方向上的设备，当鱼群出视野后，设备休眠，可以更加省电，同时可以利用多个设备，持续记录鱼群生活，在设定时间，设备将记录的信息统一传到云端服务器，还原鱼群生活状态。
Patent WO-2020082807-A1 (WO)
Inventor: Zhou Zhuling
IPC: G06Q40/08
Filed: 2019-07-08
Abstract: 本申请实施例提供了一种基于数据分析的医保基金风控方法、装置、服务器及介质，其中，该方法可以包括：根据目标用户的医保卡使用轨迹信息，确定该目标用户对应的活动区域；当在该目标用户对应的活动区域包括的目标医疗点监控到该目标用户时，获取该目标用户在该目标医疗点的诊疗信息；根据该目标用户在该目标医疗点的诊疗信息，判断该目标用户针对该医保卡的刷卡行为是否异常；当确定该目标用户针对该医保卡的刷卡行为异常时，将该目标用户的标识添加到标记列表中。采用本申请，可以有效地检测出对医保卡的异常刷卡行为的用户以进行监管，进而减少医保基金的损失。
Patent WO-2020015649-A1 (WO)
Title: Network slice mutual exclusion relation processing method, device and system, and medium
Inventor: TU XIAOYONG
IPC: H04W60/00
Filed: 2019-07-16
Abstract: The present text discloses a network slice mutual exclusion relation processing method, device and system. The network slice mutual exclusion relation processing method comprises: selecting, for a terminal, an allowed single network slice selection assistance information (S-NSSAI) list, the priority and mutual exclusion relation between the S-NSSAI in the S-NSSAI list satisfying a preset rule.
Patent WO-2020020057-A1 (WO)
Inventor: CHEN XIAOHANG
IPC: H04W72/12
Filed: 2019-07-19
Abstract: 本公开的实施例公开了一种用于半静态授权上行传输的方法、终端设备和网络侧设备，所述方法包括：接收配置信息，其中，所述配置信息用于配置多个半静态授权资源；所述多个半静态授权资源中的每个半静态授权资源对应至少一个非授权频段子带。
Patent WO-2020052397-A1 (WO)
Inventor: ZHANG XIANPENG
IPC: F21S41/141
Filed: 2019-08-14
Abstract: A vehicle lamp (10), comprising: a first light-emitting array (110) and a second light-emitting array (120), the second light-emitting array (120) comprising a first light-emitting unit (121), when the first light-emitting array (110) is separately turned on, the vehicle lamp (10) emitting a low light beam, and when the first light-emitting array (110) and the second light-emitting array (120) are simultaneously turned on, the vehicle lamp (10) emitting a high light beam; a projection lens (150) provided on an emission light path of the light-emitting arrays, the distance between the first light-emitting array (110) and the projection lens (150) and the distance between the second light-emitting array (120) and the projection lens (150) being greater than the focal length of the projection lens (150); a light-shielding device (130) provided between the first light-emitting array (110) and the second light-emitting array (120), a first surface (131) being arranged close to the first light-emitting array (110) and serving as a light-shielding surface, a second surface (132) being arranged close to the second light-emitting array (120) and serving as a reflecting surface, and the second surface (132) being connected to the first surface (131) by means of a low beam cutline contour of the first surface (131); and a light guiding device (140) for guiding light emitted from the first light-emitting unit (121) to the second surface (132), so as to forming emitted light. The vehicle lamp (10) realizes integral illumination of a low beam and a high beam, having no bright and dark fringes, having a clear low beam cutline and high central brightness.
Patent WO-2020215561-A1 (WO)
Title: Method and application for preparing dispersant using lignin degradation product
Inventor: LIU MINGHUA
IPC: C09K23/52
Filed: 2019-08-28
Abstract: Disclosed is a method and application for preparing a dispersant using a lignin degradation product. The degradation product is obtained by using lignin as raw material, performing alkali activation and metal oxide catalysis assisted by microwave. And the degradation product is used as raw material, performing reactions of molecular rearrangement and chemical modification by using sulfamic acid monomers, aldehydes, urea, isocyanates to obtain the dispersant, where the dispersant has relative molecular mass Mn of 6000-300000. The method for degrading lignin of the present invention is simple and efficient, the obtained degradation product has a small molecular weight, and the dispersant prepared from the degradation product has good dispersion performance, enhanced and stable performance. The present invention can be used in many fields such as ceramic additives, water reducers for concrete, dye dispersants and additives of coal water slurry, and has broad prospects of promotion and application.
Patent WO-2021062688-A1 (WO)
Inventor: YU HAIFENG
IPC: H04W74/08
Filed: 2019-09-30
Abstract: A random access method and apparatus. The method comprises: a terminal device receives first information and second information, wherein the first information is used for indicating a first random access parameter configured for a first type terminal device, and the second information is used for indicating a second random access parameter configured for a first event; when the terminal device is the first type terminal device and an event triggering a random access process is the first event, the terminal device can determine a target random access parameter, and uses the target random access parameter to initiate the random access process, wherein the target random access parameter is the first random access parameter or the second random access parameter. By means of the method, the terminal device determines the target random access parameter, thereby specifying, by standardizing the behavior of the terminal device, a random access parameter used by the terminal device for initiating the random access process, and avoiding the problem that the behavior of the terminal device to select the random access parameter is unclear.