baber/WOPTO huggingface dataset:
Patent WO-2019174102-A1 (WO)
Inventor: YANG BAOXIANG
IPC: B29C51/42
Filed: 2018-04-20
Abstract: 一种用发热板（10）加热热压机模板的加热方法，该方法用功率相当的380伏变压器对与压机工作台面大小相当的发热板（10）直接供电使其发热；这种用发热板（10）加热热压机模板的加热方法，通过简单的发热板（10）的加热方式，使整个系统热效率显著提高，省去了复杂的导热油锅炉加热系统，大大简化了压机结构，提高了整个热压机的安全可靠性。
Patent WO-2019210451-A1 (WO)
Inventor: XU DONGQING
IPC: D03D15/00
Filed: 2018-05-01
Abstract: La présente invention concerne un tissu de haute qualité, constitué de laine à 100 %, dans lequel le fil fin et le fil rugueux sont disposés en quinquonce pour correspondre aux changements de texture; la densité de chaîne est de 22,3 fils/cm et la densité de trame est de 21,0 fils/cm. Le produit a un effet de tissu croisé concave-convexe sur la surface, ce qui entraine une forte sensation tridimensionnelle et un toucher doux.
Patent WO-2019242027-A1 (WO)
Title: Gestion de faisceaux
Inventor: GAO YUKAI
IPC: H04B7/0408
Filed: 2018-06-22
Abstract: Des modes de réalisation de l'invention concernent des procédés, des dispositifs, et des supports lisibles par ordinateur, relatifs à la gestion de faisceaux. Dans des modes de réalisation donnés à titre d'exemple, un procédé est implémenté au niveau d'un dispositif terminal. Selon le procédé, un premier groupe de ressources est déterminé pour être utilisé par un dispositif terminal afin de déterminer un premier groupe de faisceaux provenant du premier dispositif de réseau. Le premier groupe de ressources est différent d'un second groupe de ressources configuré par un second dispositif de réseau pour le dispositif terminal afin de déterminer un second groupe de faisceaux provenant du second dispositif de réseau. Le premier groupe de ressources est configuré pour le dispositif terminal. Une pluralité de signaux de synchronisation et/ou de référence est transmise au dispositif terminal, à l'aide du premier groupe de faisceaux, sur le premier groupe de ressources.
Patent WO-2019091127-A1 (WO)
Title: 一种双触点内存连接器
Inventor: CHEN LIPING
IPC: H01R13/24
Filed: 2018-06-28
Abstract: 本申请实施例公开了一种双触点内存连接器，用于增强DIMM簧片与内存条金手指之间的连通性，降低DIMM插槽和内存条之间发生接触不良的概率，提高生产效率，降低设备生产成本。本申请实施例包括：绝缘底座(301)、卡扣(302)、接触簧片组件(303)和固定组件(304)；所述绝缘底座(301)具有插槽(305)，所述插槽(305)用于插接内存条；所述卡扣(302)位于所述绝缘底座(301)的两端；所述接触簧片组件(303)包含多对接触簧片结构(306)，每个所述接触簧片结构(306)具有两个接触点，所述接触簧片结构(306)通过所述两个接触点与所述内存条的金手指连接；所述固定组件(304)位于所述绝缘底座(301)的底部。
Patent WO-2019174156-A1 (WO)
Title: Bending component and flexible display device
Inventor: FAN XIAOFEI
IPC: G09F9/30
Filed: 2018-06-29
Abstract: A bending component (10), comprising a hinge module (12) and a linkage module (14). The hinge module (12) comprises a first connection hinge (122) and a second connection hinge (124); the first connection hinge (122) and the second connection hinge (124) are respectively located at two sides of the hinge module (12); the linkage module (14) is connected between the first connection hinge (122) and the second connection hinge (124); when the first connection hinge (122) rotates, the linkage module (14) transmits the rotation of the first connection hinge (122) to the second connection hinge (124), thereby driving the second connection hinge (124) to rotate. Operation convenience in state switching of the bending component (10) and a flexible display device (100) can be realized, and use experience is improved.
Patent WO-2019011210-A1 (WO)
Title: Juice extraction device
Inventor: CHAN CHUNG MING
IPC: A47J19/02
Filed: 2018-07-09
Abstract: A juice extraction device (100) includes: a screw (140) having a first end (147) and a second end (148); a mesh filter (130) for separating the juice from the food, the mesh filter (130) encompassing the screw (140); a housing (110) encompassing the mesh filter (130); the screw (140) having at least one spiral rib (141, 142) from the first end (147) to the second end (148), the spiral rib (141, 142) defining a plurality of spiral gaps (149) on the screw (140), and the spiral rib (141, 142) having a spiral rib lead angle (α); at least one strut (131) between the screw (140) and the mesh filter (130); wherein the screw (140) has a plurality of embedded spiral threads (143), the embedded spiral threads (143) distribute in the spiral gaps (149) such that each of the embedded spiral threads (143) having a guiding edge (145) for guiding the flow of food to fill the spiral gaps (149), and each of the embedded spiral threads (143) has a guiding thread lead angle (β) larger than the spiral rib lead angle (α).
Patent WO-2020014985-A1 (WO)
Title: Method for transmitting data in sidelink, and terminal device
Inventor: LU QIANXI
IPC: H04W72/12
Filed: 2018-07-20
Abstract: Disclosed in the present application are a method for transmitting data in a sidelink, and a terminal device, which are able to avoid resource conflicts during transmission of aperiodic services. The method comprises: a first terminal device selecting a first resource from a data resource pool in a selection window, the first resource being used to send data of the first terminal device; the first terminal device selecting, from a control resource pool in the selection window, a second resource for sending first indication information, the first indication information being used to indicate the first resource, the positions of the first resource and the second resource in a time domain and/or a frequency domain being different; the first terminal device sending the first indication information on the second resource, and sending the data of the first terminal device on the first resource.
Patent WO-2019024719-A1 (WO)
Title: Walkie-talkie device, electronic apparatus, walkie-talkie information transmission method, and information transmission method
Inventor: SUN HUI
IPC: H04W4/00
Filed: 2018-07-24
Abstract: Disclosed are a walkie-talkie device, and walkie-talkie information transmission method. The walkie-talkie device comprises: an interconnection communication module configured to establish near-field communication with an interconnection terminal; a radio frequency module configured to establish radio frequency communication with another walkie-talkie device; an internal communication interface; and a processor connected to the interconnection communication module and radio frequency module via the internal communication interface. The processor is configured to receive, by means of the interconnection communication module, a first signal sent by the interconnection terminal to the other walkie-talkie device, process the first signal to obtain a second signal, and send, via the radio frequency module, the second signal to the other walkie-talkie device; or alternatively, to receive, via the radio frequency module, a third signal sent by the other walkie-talkie device toward the interconnection terminal, process the third signal to obtain a fourth signal, and send, via the interconnection communication module, the fourth signal to the interconnection terminal.
Patent WO-2020024205-A1 (WO)
Title: Photoacoustic imaging method, photoacoustic imaging device and computer storage medium
Inventor: DONG YONGQIANG
IPC: A61B8/00
Filed: 2018-08-02
Abstract: A photoacoustic imaging method and device (11, 1700), and a storage medium. The photoacoustic imaging method comprises: starting the photoacoustic imaging device (11, 1700) on the basis of a received first instruction for starting the photoacoustic imaging device (11, 1700) (S201); if a second instruction for turning on a laser light source (1703) is detected, controlling the turning on of the laser light source (1703) and emitting laser light (S202); and generating an image of a light absorber on the basis of a photoacoustic signal generated when the laser light irradiates the light absorber (S203).
Patent WO-2020047828-A1 (WO)
Title: Tunnel junction photonic crystal laser with narrow vertical far-field divergence angle
Inventor: ZHENG WANHUA
IPC: H01S5/22
Filed: 2018-09-07
Abstract: Provided is a tunnel junction photonic crystal laser, comprising: a substrate; and a plurality of laminated structures successively formed on the substrate, wherein each of the laminated structures comprises an active layer and a photonic crystal layer, and a tunnel junction is formed between adjacent laminated structures. According to the tunnel junction photonic crystal laser of the present disclosure, the peak power is improved, the detection range of the laser is increased, the laser output with a narrow vertical far-field divergence angle at the peak power is realized, and the tunnel junction photonic crystal laser has broad application prospects in the fields of laser ranging, laser imaging, laser radar, etc.
Patent WO-2020061745-A1 (WO)
Inventor: YUAN XINGDONG
IPC: C07C29/149
Filed: 2018-09-25
Abstract: Provided is a copper-based catalyst. The catalyst comprises a carrier and a copper active ingredient supported on the carrier, wherein the carrier is a microporous molecular sieve of which the molar ratio of SiO 2 /Al 2 O 3  is ≥ 3000. Also provided is a method for preparing the catalyst, and a method for preparing EG from DMO using the catalyst by means of hydrogenation. By selecting the microporous high silicon molecular sieve as a carrier of a catalyst, when the catalyst is used in the preparation of EG by catalyzing DMO by means of hydrogenation, the selectivity of 1,2-BDO can be controlled to be very low, usually as low as 0.2% or less, and at the same time, a high conversion rate of DMO and a high selectivity of EG can also be maintained.
Patent WO-2020073335-A1 (WO)
Inventor: CHENG WENJIE
IPC: G06F17/50
Filed: 2018-10-12
Abstract: A series circuit, a circuit board, and a computing device, the series circuit comprising: at least two chipsets, wherein chips in each chipset are connected in series; for a first chip in each chipset, a first voltage input end of the first chip is connected to a first voltage output end of a second chip that is adjacent to the first chip in the same chipset, while a second voltage input end of the first chip is connected to a second voltage output end of a third chip in another chipset, the first voltage output end and the second voltage output end jointly supplying power to the first chip. By means of the described series circuit, power is supplied in series to a chip having two main operating voltages, which may reduce the cost of circuit components.
Patent WO-2019114403-A1 (WO)
Title: 一种刷卡引导区域确定方法、装置及读卡器
Inventor: AN BIN
IPC: G06K7/00
Filed: 2018-10-16
Abstract: 一种刷卡引导区域确定方法、装置以及读卡器（10），通过设置在读卡器（10）近场通信天线（13）磁场覆盖范围内不同区域的至少两个感应器（14）检测能表征各感应器（14）所处区域磁场强度的参数，然后根据各感应器检测到的参数确定出刷卡引导区域。
Patent WO-2019096061-A1 (WO)
Title: 一种系统信息的传输方法、基站、终端、系统及存储介质
Inventor: HE HAIGANG
IPC: H04W16/28
Filed: 2018-11-09
Abstract: 本申请公开了一种系统信息的传输方法、基站、终端和系统。该方法，包括：根据预设规则，将其他系统信息OSI配置在对应的信息窗中，至少两个所述OSI对应的信息窗之间在时域上存在重叠，所述OSI包括下行系统信息中除主信息块MIB和最小系统信息RMSI的信息；向所述终端发送最小系统信息RMSI信令，所述RMSI信令包括各所述OSI对应的信息窗的信息，以使所述终端通过所述信息窗指示的范围获取所述OSI。实现了至少两个所述OSI对应的信息窗之间在时域上存在重叠，从而避免了占用为其他波束方向提供数据的时隙，进而提高了通信质量。
Patent WO-2019091470-A1 (WO)
Title: 一种双仰角复合配置道钉
Inventor: FANG XIANFENG
IPC: E01F9/553
Filed: 2018-11-10
Abstract: 一种双仰角复合配置道钉，包括壳体(1)、封装材料（2），壳体(1)在两个相对侧面上分别设有两种沿这两个相对侧面的中轴线对称设置的，不同大小仰角的平面或类似平面，确保道钉的抗压、抗冲击性能，且方便复合配置不同材质或结构的逆反射材料（3）或不同特性的LED光源、或长余辉发光材料（4），优化组合，扬长避短；即：道钉以大小两种不同的仰角发光或反光，实现了对人和车、近程和远程、大车和小车司机的等发光或反光效果要求；通过采用面光源并将其设在相对小仰角的平面或类似平面上，既提高了人眼舒适度，又提高了道钉的抗压抗冲击性能；且当一种发光或反光功能材料损坏时，还可以利用其余的发光或发光功能材料继续工作，提高了道钉的保障性。
Patent WO-2020102959-A1 (WO)
Inventor: CHAO WEI-MIN
IPC: H01L27/146
Filed: 2018-11-20
Abstract: La présente invention concerne un capteur d'image et un appareil portatif associé. Le capteur d'image comprend : un substrat dopé pour avoir un premier type de conduction, le substrat ayant une face avant et une face arrière, et la face arrière étant l'autre face opposée à la face avant ; une zone de collecte de lumière configurée dans le substrat et adjacente à la face avant du substrat, et utilisée pour collecter des porteurs de charge photo-générés, la zone de collecte de lumière étant dopée pour avoir un second type de conduction opposé au premier type de conduction ; et un masque configuré au-dessus du substrat, le masque comprenant une ouverture ; et des ondes lumineuses pouvant atteindre la zone de collecte de lumière à travers l'ouverture et étant converties en porteurs de charge photo-générés.
Patent WO-2020118717-A1 (WO)
Inventor: LIANG LIN
IPC: H04L5/00
Filed: 2018-12-14
Abstract: L'invention concerne un procédé d'émission et de réception de SSB. Le procédé d'émission de SSB est réalisé au niveau d'un dispositif de réseau, les SSB pouvant être émises à l'intérieur d'un groupe quelconque d'une pluralité de groupes continus de positions candidates de SSB. Selon le procédé, une séquence d'embrouillage est générée pour les SSB d'après un groupe de positions candidates de SSB dans lequel les SSB doivent être émises et au moins une partie des SSB est embrouillée avec la séquence d'embrouillage générée.
Patent WO-2020124617-A1 (WO)
Inventor: CUI YANFENG
IPC: B62D33/04
Filed: 2018-12-24
Abstract: 一种空间集成模块，用于解决现有技术中存在的用于搭建箱体的模块存在在运输过程中在高度方向上占用的空间较大的问题。一种空间集成模块，包括底盘、墙体、顶盖和支撑装置，所述支撑装置包括下部的固定部和上部的活动部，所述墙体与底盘和\或支撑装置为可拆卸连接，所述固定部安装在底盘上，活动部与固定部的连接部位设置有固定的旋转结构，通过旋转结构使活动部在横向和竖向之间进行翻转。有益效果是，便于折叠，易于搬运。
Patent WO-2020132877-A1 (WO)
Title: 一种操作检测方法、系统及电子设备
Inventor: XU GUIBIN
IPC: G06F21/57
Filed: 2018-12-25
Abstract: 一种操作检测方法，包括：S1，在执行特定操作之前，获取执行该特定操作的执行主体（S101）；S2，根据第一权限集合判断所述执行主体是否具有执行该特定操作的权限（S102），若否，则执行操作S3；S3，获取所述执行主体的操作状态，并根据该执行主体的操作状态获取对应的第二权限集合（S103）；S4，根据第二权限集合判断所述执行主体是否具有执行该特定操作的权限（S104），若是，则执行操作S5，若否，则对所述执行主体进行处理；S5，获取包括所述特定操作的任务（S105），该任务对应有执行至少一个操作的操作流程；S6，判断所述操作流程是否满足预设操作流程（S106），若否，则对所述执行主体进行处理。另一方面还提供一种操作检测系统及电子设备。
Patent WO-2020133047-A1 (WO)
Title: 发动机及其发动机冷却结构
Inventor: LI NAN
IPC: F01P5/10
Filed: 2018-12-27
Abstract: 一种发动机冷却结构，包括水泵（1）、缸套（3）、机体（6）、缸盖（8）及出水管（7），机体（6）及缸套（3）之间形成机体水腔，机体水腔位于机体（6）靠近缸盖（8）的一侧；机体水腔包括由上至下依次布置的上水腔（4）及下水腔（5），上水腔（4）的流通面积小于下水腔（5）的流动面积；机体（6）内具有机体布水腔（2），机体布水腔（2）位于冷却水腔的侧面；水泵（1）的出水口与机体布水腔（2）、机体水腔、缸盖（8）的水腔及出水管（7）的水腔依次连通；还公开一种发动机。该发动机冷却结构及发动机降低了机体铸造难度，提高了结构紧凑性。
Patent WO-2020133151-A1 (WO)
Inventor: LIAO ZHUOWEN
IPC: H02J7/00
Filed: 2018-12-28
Abstract: 本方案提供了一种无线充电器（100），包括机壳（10）、多个充电线圈（21）、主控板（22）和散热风扇（23），机壳（10）包括机盒（12）和盖板（11）；盖板（11）顶面开设有若干凹槽（111）和若干出风口（114），各凹槽（111）至少与一个出风口（114）相连通，多个充电线圈（21）覆盖盖板的中部区域，机盒（12）底部开设有气孔（141）。本方案设置多个充电线圈盖板中部区域，盖板顶面开设若干凹槽和若干出风口，使每个凹槽与至少一个出风口连通，从而将电子设备任意放置在盖板上，即可以与一个充电线圈对应，并盖在至少一个出风口上，从而使该出风口流出的气流经对应凹槽，以将盖板与电子设备间的热量带走，保证高效散热，同时方便使用。
Patent WO-2020087746-A1 (WO)
Inventor: TIAN HUAIQING
IPC: H04R1/20
Filed: 2018-12-29
Abstract: 本申请公开了一种音响设备及其音效调整方法、装置、设备、介质，涉及音响技术领域，用于增加音响设备的音效的多样性，包括：确定音响设备中多个扬声单元的空间分布状态；确定与所述空间分布状态对应的音效模式；根据所述音效模式对所述音响设备的音效进行调整。本申请可根据音响设备内多个扬声单元的空间分布状态对音效模式进行相应的调整，这样，当上述空间分布状态发生变化之后，音响设备的音效模式也可以随之发生改变，由此克服了音响设备的音效单一的缺陷，也即，本申请能够有效增加音响设备的音效的多样性。
Patent WO-2019192233-A1 (WO)
Inventor: YANG XI
IPC: C09K5/04
Filed: 2019-01-07
Abstract: L'invention concerne un fluide frigorigène mixte qui est non inflammable et présente un faible effet de serre, et son utilisation. Le fluide frigorigène mixte comprend les composants suivants en fractions massiques : de 4 % à 31,5 % de R125, de 50 % à 80 % de R1234ze(E) et de 12 % à 22 % de R1234yf. Le fluide frigorigène mixte, en combinaison d'ajustement dans les plages de quantité de tous les composants, rend le fluide frigorigène non inflammable, et son PDO est égal à 0, et son GWP n'est pas supérieur à 1 000. Le fluide frigorigène mixte peut être utilisé dans un système de réfrigération, n'a pas de pouvoir de destruction de l'ozone, réduit l'effet de serre, a un glissement de température inférieur, et appartient aux fluides frigorigènes azéotropiques ou quasi-azéotropiques ternaires, ce qui est avantageux pour le fonctionnement stable d'un système de réfrigération. Le fluide frigorigène mixte peut également servir d'agent moussant ou de propulseur d'aérosol, et présente les avantages d'être non inflammable, ayant un faible indice de destruction de l'ozone, et étant respectueux de l'environnement, sûr et fiable.
Patent WO-2020142937-A1 (WO)
Inventor: GAO YUKAI
IPC: H04L1/00
Filed: 2019-01-09
Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for DMRS transmission. A method implemented at a terminal device comprises selecting, from a plurality of computer generated (CG) sequences, a CG sequence for an uplink channel modulated with a predetermined modulation technique. The method further comprises generating, based on the selected CG sequence, a DMRS sequence for the uplink channel. In addition, the method further comprises transmitting, over the uplink channel, the DMRS sequence to a network device. The embodiments of the present disclosure can provide a set of candidate CG sequences with low PAPR, good autocorrelation performance and good cross-correlation performance for generating DMRS sequences for π/2-BPSK modulated PUSCH or PUCCH.
Patent WO-2019141240-A1 (WO)
Inventor: CHIU MAN KWONG
IPC: A61N5/06
Filed: 2019-01-18
Abstract: A light emitting diode phototherapy belt (8), comprising a non-transparent silica gel layer (2), a transparent silica gel layer (5), and a flexible circuit board (4). The non-transparent silica gel layer (2) and the transparent silica gel layer (5) are bonded together at the periphery so that the flexible circuit board (4) is wrapped between the non-transparent silica gel layer (2) and the transparent silica gel layer (5); multiple light emitting diodes (41) are welded on one side of the flexible circuit board (4), the side of the flexible circuit board (4) where the light emitting diodes (41) are welded abuts against the transparent silica gel layer (5), and the other side of the flexible circuit board (4) abuts against the non-transparent silica gel layer (2); the non-transparent silica gel layer (2) is provided with an opening (21), and the opening (21) is communicated with the flexible circuit board (4) so that a control device (7) is inserted into the opening (21) and then electrically connected to the flexible circuit board (4). Accordingly, also provided is a light emitting diode phototherapy device. The phototherapy device is water-proof, easy to clean, and of no sensitization risk when exposed to human skin.
Patent WO-2020034594-A1 (WO)
Title: Skid-mounted depressurization system
Inventor: ZHENG XIAODONG
IPC: C10G49/26
Filed: 2019-01-28
Abstract: A skid-mounted depressurization system, comprising a main process module, a mechanical control system, a thermal balance system and an intelligent control system. The main process module comprises multiple main process pipelines, the main process pipelines being provided thereon with depressurization valve groups; a process medium enters at least one main process pipeline during depressurization, and the mechanical control system outputs torque according to a control instruction from the intelligent control system to control each valve of the main process pipelines to carry out action switching and opening degree adjustment; the thermal balance system provides media having different attributes into the main process pipelines according to a control instruction from the intelligent control system so as to control the temperature, pressure, cleanliness, and/or sealing degree of the main process module.
Patent WO-2020168449-A1 (WO)
Inventor: LIU JUN
IPC: H01L27/1157
Filed: 2019-02-18
Abstract: Embodiments of a memory finger structure and architecture for a three-dimensional memory device and fabrication method thereof are disclosed. The memory device includes an alternating layer stack disposed on a first substrate, the alternating layer stack including a plurality of conductor/dielectric layer pairs. The memory device further includes a first column of vertical memory strings extending through the alternating layer stack, and a first plurality of bitlines displaced along a first direction and extending along a second direction. The first column of vertical memory strings is disposed at a first angle relative to the second direction. Each of the first plurality of bitlines is connected to an individual vertical memory string in the first column.
Patent WO-2019228015-A1 (WO)
Title: Index creating method and apparatus based on nosql database of mobile terminal
Inventor: TAN QIAN
IPC: G06F16/22
Filed: 2019-03-08
Abstract: Disclosed are an index creating method and apparatus based on a NoSQL database of a mobile terminal, a data querying method and apparatus based on a NoSQL database of a mobile terminal, and a computer device and a computer-readable storage medium, which relate to the technical field of data query. The creating method comprises: setting index information according to the attribute of pre-stored data in a NoSQL database (101); according to the type of the pre-stored data with the corresponding attribute, determining to store the index information corresponding to the corresponding attribute in a numeric-type index storage structure or a character-type index storage structure (102); and storing the address of the NoSQL database, the address of the numeric-type index storage structure, and the address of the character-type index storage structure in a NoSQL connection pool (103). According to the method, creating an index according to the attribute of data to be pre-stored in a NoSQL database is establishing an index outside the NoSQL database to query a relationship, and thus, a very complicated design is not needed at an application side, and the index is not correlated with the specific implementation of NoSQL, and has strong portability.
Patent WO-2020042597-A1 (WO)
Inventor: CAO WENMING
IPC: G06F16/33
Filed: 2019-03-19
Abstract: A cross-modal retrieval method comprises: using a stacked restricted Boltzmann machine and a multimodal deep belief network to extract a modal friendly feature and a modal interactive feature of each of an image and text, wherein the modal friendly feature causes statistical characteristics between the acquired features to be more similar to input characteristics, and the modal interactive feature acquires mutual information lost in an original input instance; combining the two features to acquire a mixed feature; and acquiring a final shared feature by means of multiple bi-modal automatic encodings. In the method, the stacked restricted Boltzmann machine is used to extract internal features of each modality, and the deep belief network is used to mine lost mutual information between modalities; the two features are combined to construct a mixed feature suitable for cross-modal retrieval, and a multi-layer bi-modal automatic encoding network is used to mine cross-modal complex information, thereby effectively improving the accuracy and retrieval speed of a cross-modal retrieval task.
Patent WO-2020124829-A1 (WO)
Title: Appareil de filtration et procédé de filtration
Inventor: WANG XUANYUN
IPC: B01D36/00
Filed: 2019-03-19
Abstract: L'invention concerne un appareil de filtration (100) pour filtrer une solution. L'appareil de filtration comprend : un système de filtre à bulles (11) pour filtrer des bulles dans la solution, le système de filtre à bulles (11) comprenant au moins un premier système de filtre à bulles (111) pour effectuer une première filtration de bulles de la solution, et un second système de filtre à bulles (112) pour effectuer une seconde filtration de bulles de la solution; un élément d'agitation pour agiter la solution de façon à libérer une partie des bulles dans la solution; et une bouilloire de réaction pour recevoir la solution. La précision de filtrage du second système de filtre à bulles (112) est supérieure à la précision de filtrage du premier système de filtre à bulles (111).