摘要：【中文】本发明实施例公开了一种交易方法及装置，该方法包括：响应于交易请求，获取与所述交易请求相关的至少一个维度的属性信息；计算每个维度的属性信息的安全认证增强值；基于每个维度的属性信息的安全认证增强值计算交易请求的安全认证增强值；基于所述交易请求的安全认证增强值，从安全认证工具中选择目标安全认证工具；所述目标安全认证工具用于交易请求进行安全认证；所述安全认证工具为发起所述交易请求的用户预先设置的。由此可知，通过交易请求的不同维度的属性信息安全认证增强值，计算交易请求的安全认证增强值，并基于安全认证增强值选择安全认证工具。这样，提升了用户进行安全认证的灵活性，并且提升了安全认证的可靠性。 【EN】The embodiment of the invention discloses a transaction method and a device, wherein the method comprises the following steps: in response to a transaction request, acquiring attribute information of at least one dimension related to the transaction request; calculating a security authentication enhancement value of the attribute information of each dimension; calculating a security authentication enhanced value of the transaction request based on the security authentication enhanced value of the attribute information of each dimension; selecting a target security authentication instrument from security authentication instruments based on a security authentication enhancement value of the transaction request; the target safety certification tool is used for performing safety certification on a transaction request; the security authentication tool is preset for a user initiating the transaction request. Therefore, the security authentication enhanced value of the transaction request is calculated through the security authentication enhanced values of the attribute information of different dimensionalities of the transaction request, and the security authentication tool is selected based on the security authentication enhanced value. Therefore, the flexibility of the user for safety authentication is improved, and the reliability of the safety authentication is improved.

摘要：【中文】本发明提供一种自动回收机构，包括有用于收集激光切割铜管残渣的接料组件，所述接料组件呈中空设置，所述接料组件上开设有与所述接料组件连通的接料口，所述接料组件的一端连接有用于吸收所述接料组件内部残渣的吸力装置，该自动回收机构可实现铜管激光切割后熔渣自动回收清理问题，不仅能够保证铜管内部清洁、无杂质，同时还能实现铜管激光切割正常生产应用。 【EN】The invention provides an automatic recovery mechanism which comprises a material receiving assembly used for collecting residues generated by laser cutting of a copper pipe, wherein the material receiving assembly is arranged in a hollow mode, a material receiving opening communicated with the material receiving assembly is formed in the material receiving assembly, one end of the material receiving assembly is connected with a suction device used for absorbing the residues in the material receiving assembly, the automatic recovery mechanism can achieve the problem of automatic recovery and cleaning of the residues after the copper pipe is subjected to laser cutting, the interior of the copper pipe can be guaranteed to be clean and free of impurities, and meanwhile normal production and application of the copper pipe in laser cutting can be achieved.

摘要：【中文】一种自动挂钩装置，包括吊臂、恒力绳引导机构、卷扬、抓钩器和重物，吊臂的一端设有第一导向轮和第二导向轮，恒力绳引导机构设置在吊臂上，其包括定滑轮组、动滑轮组、活动座、引导绳和弹性结构，定滑轮组与动滑轮组相对设置，动滑轮组安装在活动座上，引导绳的一端经过第一导向轮后穿过抓钩器与重物连接，引导绳的另一端卷绕于定滑轮组和动滑轮组，弹性结构的一端固定设置，弹性结构的另一端抵靠在活动座上，卷扬上卷绕有绳索，绳索经过第二导向轮后与抓钩器连接；卷扬驱使抓钩器下移时，抓钩器顺着引导绳的引导方向抓住重物。本发明的自动挂钩装置能保证抓钩器顺着引导绳的引导方向自动抓住重物。本发明还涉及一种强夯机自动挂钩方法、强夯机。 【EN】An automatic hooking device comprises a suspension arm, a constant force rope guide mechanism, a winch, a grappling device and a heavy object, wherein a first guide wheel and a second guide wheel are arranged at one end of the suspension arm; when the winch drives the grapple device to move downwards, the grapple device grabs the heavy object along the guiding direction of the guiding rope. The automatic hooking device can ensure that the grappler automatically grabs the heavy object along the guiding direction of the guiding rope. The invention also relates to an automatic hooking method of the dynamic compactor and the dynamic compactor.

摘要：【中文】本发明提供了一种废杂铜冶炼渣中铜的回收方法。本发明先对废杂铜冶炼渣进行预处理，获得粒径小于0.074mm的物料占70wt％～90wt％的细磨冶炼渣，并将特定的混合菌种接种在特定无机溶液中进行培养，获得特殊的细菌培养液，再利用该细菌培养液对预处理后的细磨冶炼渣进行生物浸出处理，然后依次进行溶剂萃取和反萃取，最后进行电积铜处理，回收得到铜。上述方法能够有效提高铜回收率，且处理过程简单、条件温和，环境友好。 【EN】The invention provides a method for recovering copper in scrap copper smelting slag. The method comprises the steps of pretreating the scrap copper smelting slag to obtain fine grinding smelting slag with the material with the particle size of less than 0.074mm accounting for 70-90 wt%, inoculating specific mixed strains into specific inorganic solution for culturing to obtain a special bacterial culture solution, performing biological leaching treatment on the pretreated fine grinding smelting slag by using the bacterial culture solution, sequentially performing solvent extraction and back extraction, performing electro-deposited copper treatment, and recovering to obtain copper. The method can effectively improve the recovery rate of copper, and has the advantages of simple treatment process, mild conditions and environmental friendliness.

摘要：【中文】本发明公开了一种便携式智能食品重金属检测仪，涉及食品检测技术领域，包括箱体，所述箱体的内顶壁固定连接有第一电机，所述第一电机的输出端固定连接有研磨头。本发明中，通过设置第一电机、研磨头和研磨框，能够对食品进行研磨，符合大小的食品从研磨头和研磨框之间落入，并通过第二电机、搅拌轴和搅拌杆对研磨过的食品碎块进行搅拌，使食品均匀混合，通过设置螺纹杆、连接板、L型板和固定板，能够固定重金属检测试纸，并通过滴管和阀门，将食品混匀后的溶液滴在重金属检测试纸上，能够对食品进行快速检测，解决了现有的大多数食品重金属检测仪在检测前需要进行，采样、破碎、搅拌、混匀等一系列工作，过程繁琐，检测周期长的问题。 【EN】The invention discloses a portable intelligent food heavy metal detector, which relates to the technical field of food detection and comprises a box body, wherein the inner top wall of the box body is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a grinding head. According to the food heavy metal detector, the first motor, the grinding head and the grinding frame are arranged, food can be ground, the food with the size according with the size falls into the space between the grinding head and the grinding frame, the ground food fragments are stirred through the second motor, the stirring shaft and the stirring rod, the food is uniformly mixed, the heavy metal detection test paper can be fixed through the threaded rod, the connecting plate, the L-shaped plate and the fixing plate, the solution obtained after the food is uniformly mixed is dripped onto the heavy metal detection test paper through the dropper and the valve, the food can be rapidly detected, and the problems that a series of work such as sampling, crushing, stirring, uniformly mixing and the like is required before detection of most of existing food heavy metal detectors are solved, the process is complicated, and the detection period is long.

摘要：【中文】本发明提供一种气液缓冲器，包括：筒体，包括第一筒体端和第二筒体端；缸体：部分插入筒体，与筒体间可相对运动；缸体的外壁与筒体的内壁间形成第一间隙腔，缸体外壁设置有阀体，阀体封闭其与第一筒体端之间的间隙腔，形成第一液腔；柱塞：在第二筒体端一侧插入缸体，与缸体间可相对运动；柱塞位于缸体内的一端设置有端盖；柱塞内设有活塞；端盖与缸体之间形成第二液腔，与活塞之间形成第三液腔，活塞与柱塞之间形成气腔；力传递部件：受到压力时推动柱塞，受到拉力时，拉动筒体；第一液腔分别与第三液腔连通，第二液腔与第三液腔连通。本发明减少了液腔和气腔的数量，简化了气液缓冲器整体的结构，提高了缓冲吸能工作的可靠性高。 【EN】The present invention provides a gas-liquid buffer, comprising: a barrel comprising a first barrel end and a second barrel end; a cylinder body: part of the sleeve body is inserted into the sleeve body and can move relative to the sleeve body; a first clearance cavity is formed between the outer wall of the cylinder body and the inner wall of the cylinder body, a valve body is arranged on the outer wall of the cylinder body, and the valve body seals the clearance cavity between the valve body and the end of the first cylinder body to form a first liquid cavity; plunger: a cylinder body is inserted into one side of the end of the second cylinder body and can move relative to the cylinder body; an end cover is arranged at one end of the plunger positioned in the cylinder body; a piston is arranged in the plunger; a second liquid cavity is formed between the end cover and the cylinder body, a third liquid cavity is formed between the end cover and the piston, and an air cavity is formed between the piston and the plunger; a force transmission member: the plunger is pushed when the pressure is applied, and the barrel is pulled when the tension is applied; the first liquid cavity is communicated with the third liquid cavity respectively, and the second liquid cavity is communicated with the third liquid cavity. The invention reduces the number of the liquid cavity and the air cavity, simplifies the integral structure of the gas-liquid buffer, and improves the reliability of the buffering energy absorption work.

摘要：【中文】本发明涉及一种工频耐压试验装置，试验变压器通过进电接线端子与供电电源连接，从而对供电电源输出的电压进行升压，并通过导电杆、保护电阻和出电接线端子将升压后的电压施加到被测产品上来进行工频耐压试验；由电压信号测量装置测得对被测产品所施加的电压。由于试验变压器、保护电阻和高压电容集成设置在密封的密封绝缘气体容器中，所以，本发明的一种工频耐压试验装置干扰途径少，抗干扰能力强，且结构紧凑，占地面积较小。 【EN】The invention relates to a power frequency withstand voltage test device.A test transformer is connected with a power supply through an incoming connection terminal so as to boost the voltage output by the power supply, and the boosted voltage is applied to a tested product through a conducting rod, a protective resistor and an outgoing connection terminal so as to carry out a power frequency withstand voltage test; the voltage applied to the product to be measured is measured by the voltage signal measuring device. Because the test transformer, the protective resistor and the high-voltage capacitor are integrated in the sealed and insulated gas container, the power frequency withstand voltage test device has the advantages of less interference ways, strong anti-interference capability, compact structure and smaller occupied area.

摘要：【中文】本发明属于药物合成技术领域，具体涉及一种盐酸帕洛诺司琼代谢杂质的制备方法。所述盐酸帕洛诺司琼代谢杂质包括α‑羟基帕洛诺司琼、α‑酮帕洛诺司琼和氮氧化α‑酮帕洛诺司琼；所述的制备方法为：以帕洛诺司琼为原料，经取代反应、水解反应制备α‑羟基帕洛诺司琼；以α‑羟基帕洛诺司琼为原料，经氧化反应制备α‑酮帕洛诺司琼；以α‑酮帕洛诺司琼为原料，经氧化反应制备氮氧化α‑酮帕洛诺司琼。本发明制备路线短，原料易得，所得产物纯度高，为盐酸帕洛诺司琼质量研究提供基础，具有很高的商业价值。 【EN】The invention belongs to the technical field of drug synthesis, and particularly relates to a preparation method of metabolic impurities of palonosetron hydrochloride, wherein the metabolic impurities of palonosetron hydrochloride comprise α -hydroxy palonosetron, α -ketopalonosetron and α -ketopalonosetron oxynitride.

摘要：【中文】本发明涉及胀接技术领域，具体涉及一种两器胀管工序的新型快速切换式胀头，包括胀管接头，与胀管接头连接的卡扣，与卡扣连接的快速切换接头，以及用于胀管的胀头珠子，所述胀头珠子通过固定件固定在快速切换接头的端部；所述胀管接头为中空结构，所述卡扣插接在所述胀管接头的中空部内，所述卡扣和胀管接头的内底部之间还连接有一弹性件。本发明设置的胀头珠子连接在快速切换接头上，快速切换接头的连接头和胀头接头之间，通过胀头接头中空部内的长条形槽和环形槽的配合，以及卡扣的限位，可快速实现安装和拆卸，从而可以实现不同尺寸胀头珠子的快速切换。 【EN】The invention relates to the technical field of expansion joint, in particular to a novel quick switching type expansion head for a two-device pipe expansion process, which comprises a pipe expansion joint, a buckle connected with the pipe expansion joint, a quick switching joint connected with the buckle and expansion head beads for pipe expansion, wherein the expansion head beads are fixed at the end part of the quick switching joint through a fixing part; the expansion pipe joint is of a hollow structure, the buckle is inserted into the hollow part of the expansion pipe joint, and an elastic part is connected between the buckle and the inner bottom of the expansion pipe joint. The expansion head beads arranged in the quick switching connector are connected to the quick switching connector, and the connection head of the quick switching connector and the expansion head connector can be quickly mounted and dismounted through the matching of the strip-shaped groove and the annular groove in the hollow part of the expansion head connector and the limiting of the buckle, so that the quick switching of the expansion head beads with different sizes can be realized.

摘要：【中文】一种从邻乙氧基苯酚反应液回收邻苯二酚的方法，其步骤包括有:将邻苯二酚与乙醇混合反应形成反应液、对反应液进行精馏除去反应液中的水与过量的乙醇以得到塔釜液、对塔釜液在搅拌下进行冷却结晶，并保温在一定时间，使得含邻苯二酚结晶混合物从塔釜液中析出、对结晶混合物进行固液分离，以得到含邻乙氧基苯酚的结晶母液及邻苯二酚粗品固体，以及对邻苯二酚粗品固体进行纯化处理以得到纯化母液及邻苯二酚成品。 【EN】A method for recovering catechol from an o-ethoxyphenol reaction liquid comprises the steps of mixing catechol and ethanol for reaction to form a reaction liquid, rectifying the reaction liquid to remove water and excessive ethanol in the reaction liquid to obtain a tower bottom liquid, cooling and crystallizing the tower bottom liquid under stirring, keeping the temperature for a certain time to separate out a catechol-containing crystallization mixture from the tower bottom liquid, carrying out solid-liquid separation on the crystallization mixture to obtain a crystallization mother liquid containing o-ethoxyphenol and a catechol crude product solid, and purifying the catechol crude product solid to obtain a purified mother liquid and a catechol finished product.