摘要：【中文】学生课桌椅的按压杠杆式升降调节机构，包括内套管和外套管，内套管插入外套管中，所述内套管一侧或者两侧外壁制有两个以上的插槽，插槽为单向锁紧插槽或者双向锁紧插槽，单向锁紧插槽上端为直挡面，下端为斜导面，双向锁紧插槽上、下端都为直挡面，外套管与插槽相对应的一侧或者两侧侧壁设置按压杠杆锁紧装置，按压杠杆锁紧装置包括安装座与外套管相固定，安装座口部设固定面板，安装座中设杠杆，杠杆经转轴与安装座旋转连接，杠杆一头制有锁紧插头，锁紧插头与内套管侧壁的插槽相配合，杠杆另一头侧壁设置按钮，按钮穿过固定面板，杠杆一头位于锁紧插头的背面上设置弹簧，和/或杠杆的另一头位于锁紧插头的同一边上设置弹簧。 【EN】A pressing lever type lifting adjusting mechanism of a student desk and chair comprises an inner sleeve and an outer sleeve, wherein the inner sleeve is inserted into the outer sleeve, more than two slots are formed in the outer wall of one side or two sides of the inner sleeve, the slots are one-way locking slots or two-way locking slots, the upper end of each one-way locking slot is a straight blocking surface, the lower end of each one-way locking slot is an inclined guide surface, the upper end and the lower end of each two-way locking slot are respectively a straight blocking surface, one side or two side walls of the outer sleeve corresponding to the slots are provided with a pressing lever locking device, each pressing lever locking device comprises a mounting seat and the outer sleeve which are fixed, the opening part of the mounting seat is provided with a fixing panel, a lever is arranged in the mounting seat and is rotatably connected with the mounting seat through a rotating shaft, one end of the lever is provided with a locking plug, and/or the other end of the lever is provided with a spring on the same side of the locking plug.

摘要：【中文】本发明公开了一种基于秘密共享的抗量子计算联盟链系统及通信方法，系统包括认证机构、若干用户和联盟链成员，用户和提供服务的联盟链分别作为客户端和服务端，服务端对用户ID以秘密共享方式分成若干组不同的秘密分量，分别存储在公共信息池和用户密钥卡中；客户端计算假身份ID即PID，将PID、秘密分量以及用户的私钥存入用户密钥卡中。本发明采用基于公私钥的抗量子计算签名，保证了身份及签名私钥的安全性，能够将敌方无法获取的信息加入到数字签名的签名对象中，在保证抵抗量子计算的前提下，避免了数字签名非对称加密以及验签过程中非对称解密的计算量。 【EN】The invention discloses an anti-quantum computing alliance chain system based on secret sharing and a communication method, wherein the system comprises an authentication mechanism, a plurality of users and alliance chain members, wherein the users and the alliance chain providing services are respectively used as a client and a server, and the server divides user IDs into a plurality of different groups of secret components in a secret sharing mode and respectively stores the secret components in a public information pool and a user key card; the client computes a false identity, ID, PID, and stores the PID, the secret component, and the user's private key in the user key fob. The invention adopts the anti-quantum computation signature based on the public and private keys, ensures the safety of the identity and the signature private key, can add the information which cannot be obtained by the enemy into the signature object of the digital signature, and avoids the computation amount of asymmetric encryption of the digital signature and asymmetric decryption in the signature verification process on the premise of ensuring the anti-quantum computation.

摘要：【中文】本申请涉及一种基于联盟链和隐式证书的抗量子计算云存储方法及系统，实施在相互通信的联盟链成员之间，所述联盟链成员包括客户端成员及服务端成员，所述服务端成员包括提供相应服务的Endorser、Orderer以及Committer，各方均配置有密钥卡，所述服务端密钥卡中存储有服务端公钥池、服务端秘密共享私钥池以及客户端公钥池，所述客户端密钥卡均存储有客户端私钥、私钥参数、服务端公钥以及客户端公钥指针随机数，所述客户端密钥卡中存储有身份标识以及隐式证书，本方法基于联盟链和隐式证书对云存储服务器实施查询文件，并根据查询结果进行相应的传输文件，所述传输文件包括从云存储服务器处上传和下载，进一步提高了文件存储的安全性。 【EN】The application relates to a method and a system for resisting quantum computing cloud storage based on a coalition chain and an implicit certificate, which are implemented between coalition chain members in mutual communication, wherein the coalition chain members comprise client members and server members, the server members comprise an Endorser, an Orderer and a Committer which provide corresponding services, each of the client members is provided with a key fob, a server public key pool, a server secret shared private key pool and a client public key pool are stored in the server key fob, the client key fob stores a client private key, a server private key parameter, a server public key and a client public key pointer random number, an identity and an implicit certificate are stored in the client key fob, a query file is implemented on a cloud storage server based on the coalition chain and the implicit certificate, and corresponding transmission files are carried out according to the query result, and the transmission files comprise uploading and downloading from the cloud storage server, the security of file storage is further improved.

摘要：【中文】本发明公开了一种基于秘密共享和时间戳的量子通信服务站密钥协商系统和方法，系统包括通过用户端A、用户端B和量子通信服务站，用户端及量子通信服务站使用密钥卡存储公钥和私钥，各个量子通信服务站与量子密钥卡对用户端进行秘密共享，密钥卡中仅存有的当前分量，采用假的方式将进行隐藏，大大提高了的安全性。本发明同时用到了偏移量，使得传输过程更加安全，具有抗量子计算的特性，并且该加密方式比普通加密方式的计算量更小，因此避免了使用普通加密方式来抵抗量子计算机的攻击，降低了各方的设备负担。 【EN】The invention discloses a secret sharing and timestamp based quantum communication service station key negotiation system and method, wherein the system comprises a user side A, a user side B and a quantum communication service station, the user side and the quantum communication service station use a key fob to store a public key and a private key, and each quantum communication service station and the quantum key fob are used for the user sidePerforming secret sharing with only key fobCurrent component of, adopt falseIn a manner thatIs hidden, greatly improvesThe safety of (2). The invention uses the offset at the same time, so that the transmission process is safer, the characteristic of quantum computation resistance is realized, and the computation amount of the encryption mode is smaller than that of the common encryption mode, thereby avoiding the attack of resisting a quantum computer by using the common encryption mode and reducing the equipment burden of each party.

摘要：【中文】本发明公开了一种基于秘密共享公钥池的抗量子计算区块链系统和交易方法，用于处理区块链中的交易过程，通过区块链应用实现，包括密钥卡，所述密钥卡中储存有公钥、私钥、秘密共享公钥池和公钥指针随机数，密钥卡与区块链中的每一个节点相匹配，并被区块链应用调用，其优点在于，密钥卡是独立的硬件隔离设备，被恶意软件和恶意操作窃取的可能性大大降低，大大提高了交易的安全性。隐藏部分签名信息，量子计算机无法得到用户的公钥，于是也无法得到对应的私钥，交易不容易被量子计算机破解。抗量子计算签名无需对签名进行加密，减少了因保护签名带来的计算量，降低设备的负担，提高计算速度。 【EN】The invention discloses a quantum computation resistant blockchain system and a transaction method based on a secret shared public key pool, which are used for processing a transaction process in a blockchain and are realized by blockchain application. And partial signature information is hidden, the quantum computer cannot obtain the public key of the user, so that a corresponding private key cannot be obtained, and the transaction is not easy to crack by the quantum computer. The anti-quantum computation signature does not need to encrypt the signature, so that the computation amount caused by protecting the signature is reduced, the burden of equipment is reduced, and the computation speed is improved.

摘要：【中文】本申请涉及一种基于联盟链的私钥备份、挂失及恢复方法及系统，实施在相互通信的CA机构和用户之间，其中一部分用户作为联盟链成员，其中一部分用户作为User，各方均配有由CA机构颁发的密钥卡，所有密钥卡均存储有己方公钥以及私钥，所述联盟链成员包括Endorser，所述User根据己方私钥生成多个私钥分量，并将多个所述私钥分量分别发送至各Endorser的密钥卡中，所述Endorser的密钥卡中存储有与各User一一对应的私钥分量，多个所述私钥分量用于得到相应User的私钥，通过使用秘密共享的方式通过区块链进行备份，避免了私钥的泄露，以提高私钥安全性。 【EN】The application relates to a private key backup, loss report and recovery method and system based on a alliance chain, which are implemented between a CA mechanism and users communicating with each other, wherein a part of the users serve as alliance chain members, a part of the users serve as users, each User is provided with a key fob issued by the CA mechanism, all the key fobs store own public keys and private keys, the alliance chain members comprise an owner, the users generate a plurality of private key components according to own private keys and respectively send the private key components to the key fobs of the owners, the key fobs of the owners store private key components corresponding to the users one by one, the private key components are used for obtaining the private keys of the corresponding users, backup is carried out through a block chain by using a secret sharing mode, leakage of the private keys is avoided, and the security of the private keys is improved.

摘要：【中文】本发明公开了一种基于秘密共享和随机数的量子保密通信密钥分发和协商系统及其方法，系统包括用户端、QKD从属设备和QKD设备，单台QKD设备配置若干QKD从属设备，单台QKD从属设备配置若干用户端并为用户端颁发密钥卡及进行生成票据等业务。本发明通过设置QKD从属设备，提高了单台QKD设备的最大连接数，使得整个通信系统各个设备的分工更加明确；对密钥进行秘密共享，使得每个密钥的秘密分量被分散在两个位置，同时加入了随机数密钥，即使在量子计算机存在的情况下，也难以被推导出私钥，被恶意软件或恶意操作窃取密钥的可能性大大降低，提高了QKD密钥的安全性。 【EN】The invention discloses a quantum secret communication key distribution and negotiation system based on secret sharing and random numbers and a method thereof. According to the invention, the QKD slave equipment is arranged, so that the maximum connection number of the single QKD equipment is increased, and the division of labor of each equipment of the whole communication system is more definite; secret sharing is carried out on the secret key, so that secret components of each secret key are dispersed at two positions, the random number secret key is added, the secret key is difficult to derive even in the presence of a quantum computer, the possibility of stealing the secret key by malicious software or malicious operation is greatly reduced, and the safety of the QKD secret key is improved.

摘要：【中文】本发明公开了一种高度和角度可调的转向柱，包括方向盘、套筒总成、导向柱总成、底座总成；导向柱总成包括导向柱、行程限位板、导向柱底座；行程限位板沿轴向方向设置有槽形孔；套筒总成的上端与方向盘的中心轴同轴连接，套筒总成的下端活动套设在导向柱总成的上部，套筒总成能够沿轴向方向在导向柱上部上下滑动，锁紧手柄总成穿设于行程限位板上的槽形孔，能够沿槽形孔上下滑动，并可以通过锁紧手柄锁紧到行程限位板的任意位置，实现套筒总成锁紧到导向柱总成上，从而实现转向柱的高度调节；导向柱总成的下端通过导向柱底座铰接在底座总成上，导向柱总成能够绕铰接轴相对于底座总成进行转动，进行转向柱的角度调节。 【EN】The invention discloses a steering column with adjustable height and angle, which comprises a steering wheel, a sleeve assembly, a guide column assembly and a base assembly, wherein the sleeve assembly is arranged on the steering wheel; the guide post assembly comprises a guide post, a stroke limit plate and a guide post base; the stroke limiting plate is provided with a groove-shaped hole along the axial direction; the upper end of the sleeve assembly is coaxially connected with a central shaft of a steering wheel, the lower end of the sleeve assembly is movably sleeved on the upper part of the guide post assembly, the sleeve assembly can slide up and down on the upper part of the guide post along the axial direction, the locking handle assembly penetrates through a slot-shaped hole in the stroke limiting plate and can slide up and down along the slot-shaped hole, and the locking handle assembly can be locked to any position of the stroke limiting plate to realize that the sleeve assembly is locked to the guide post assembly, so that the height adjustment of the steering post is realized; the lower extreme of guide post assembly passes through the guide post base and articulates on the base assembly, and the guide post assembly can rotate for the base assembly around the articulated shaft, carries out the angle modulation of steering column.

摘要：【中文】用于扩散气体的扩散器包括基部和流体地耦合于基部的头部。头部包括扩散器元件，此扩散器元件配置以使气体的第一部分透过扩散器元件的圆周扩散，并且使气体的第二部分透过扩散器元件的端面扩散。头部还包括连接结构，此连接结构具有第一连接部分和第二连接部分，其中第一连接部分配置以接收扩散器元件的一部分于其内，而第二连接部分从第一连接部分向外凸出并且配置以耦合于基部。 【EN】A diffuser for diffusing a gas includes a base and a head fluidly coupled to the base. The head includes a diffuser element configured to diffuse a first portion of the gas through a circumference of the diffuser element and to diffuse a second portion of the gas through an end face of the diffuser element. The head portion also includes a connecting structure having a first connecting portion configured to receive a portion of the diffuser element therein and a second connecting portion projecting outwardly from the first connecting portion and configured to couple to the base portion.

摘要：【中文】本发明公开了一种磁吸拔管式输尿管支架，包括一体成型且外径一致的支架本体、支架头部和支架尾部，所述支架尾部周向间隔设置有多个次级被动吸引结构，所述次级被动吸引结构为固定内套于支架尾部的次级被动吸引头或固定外套于支架尾部的次级被动吸引环，所述次级被动吸引头内开设有通孔，所述支架尾部的端部固定设置有被动吸引头，所述被动吸引头内开设有导丝腔，所述次级被动吸引头、次级被动吸引环和被动吸引头均由软磁金属材料或磁吸金属材料制成。采用本申请的输尿管支架，同时兼顾了置管、拔管的便利性和效率，提高了一次拔管的成功率，同时，降低了器械对患者的损伤，减少了患者感染的几率和降低医患了使用的成本。 【EN】The invention discloses a magnetic suction tube-drawing ureteral stent, which comprises a stent body, a stent head and a stent tail which are integrally formed and have the same outer diameter, wherein a plurality of secondary passive suction structures are arranged at intervals in the circumferential direction of the stent tail, each secondary passive suction structure is a secondary passive suction head fixedly sleeved in the stent tail or a secondary passive suction ring fixedly sleeved outside the stent tail, a through hole is formed in each secondary passive suction head, a passive suction head is fixedly arranged at the end part of the stent tail, a wire guide cavity is formed in each passive suction head, and each secondary passive suction head, each secondary passive suction ring and each passive suction head are made of soft magnetic metal materials or magnetic suction metal materials. By adopting the ureteral stent, the convenience and the efficiency of tube placement and tube drawing are simultaneously considered, the success rate of one-time tube drawing is improved, meanwhile, the damage of the device to a patient is reduced, the probability of infection of the patient is reduced, and the use cost of doctors and patients is reduced.