摘要：【中文】本发明涉及一种集棉罩，属于玻璃纤维棉毡制造技术领域，集棉罩是由一个前抛面、一个后抛面和两个侧面围成的中空四面体，所述前抛面面对后抛面的对应面上设置有喷淋口Ⅰ1和喷淋口Ⅱ2，所述后抛面面对前抛面的对应面上设置有喷淋口Ⅲ3，所述两个侧面的相对面上各设置有风口4；所述喷淋口Ⅰ1通过水压加压，所述喷淋口Ⅱ2和喷淋口Ⅲ3通过风压加压，所述喷淋口Ⅰ1和喷淋口Ⅱ2的喷射方向均与所述喷淋口Ⅲ3的喷射方向相对。该集棉罩能够保证吹入其中的纤维可以被均匀施胶及有同样的概率落在成型网上，在成型网上均匀分布，保证最终制备的玻璃纤维棉毡不但具有较高的强度，还具有较好的隔音隔热性能。 【EN】The invention relates to a cotton collecting cover, which belongs to the technical field of glass fiber cotton felt manufacturing, and is a hollow tetrahedron formed by a front polished surface, a rear polished surface and two side surfaces in a surrounding manner, wherein a corresponding surface of the front polished surface facing the rear polished surface is provided with a spraying port I1 and a spraying port II 2, a corresponding surface of the rear polished surface facing the front polished surface is provided with a spraying port III 3, and opposite surfaces of the two side surfaces are respectively provided with an air port 4; spray a mouthful I1 and pass through the water pressure pressurization, spray mouthful II 2 and spray mouthful III 3 and pass through the wind pressure pressurization, spray mouthful I1 and spray mouthful II 2 injection direction all with the injection direction that sprays mouthful III 3 is relative. The cotton collecting cover can ensure that fibers blown into the cotton collecting cover can be uniformly glued and fall on a forming net with the same probability, and the fibers are uniformly distributed on the forming net, so that the finally prepared glass fiber cotton felt has high strength and good sound and heat insulation performance.

摘要：【中文】本发明属于噪声控制和环境保护领域，涉及一种飞机机舱用低频吸音降噪装置，包括用于隔离低频噪音的低频隔音层，该低频隔音层由周期排列的低频隔声单元组成，每个低频隔声单元均由支撑框、膜材料、两块质量块组成，支撑框上开设有周期性排布的通孔，膜材料附着在通孔上表面，质量块对称固定安装在通孔内壁上，该飞机机舱用低频吸音降噪装置，能有效隔离飞机机舱内的低频噪声，提高机舱的乘坐舒适度。 【EN】The invention belongs to the field of noise control and environmental protection, and relates to a low-frequency sound absorption and noise reduction device for an airplane cabin, which comprises a low-frequency sound insulation layer for isolating low-frequency noise, wherein the low-frequency sound insulation layer is composed of periodically arranged low-frequency sound insulation units, each low-frequency sound insulation unit is composed of a support frame, a membrane material and two mass blocks, through holes which are periodically arranged are formed in the support frame, the membrane material is attached to the upper surface of the through holes, and the mass blocks are symmetrically and fixedly arranged on the inner wall of the through holes.

摘要：【中文】本发明涉及一种高排水隔音隔热玻璃纤维棉毡的制备方法及产品，属于玻璃纤维材料技术领域。该方法具体为：玻璃纤维棉由喷棉口喷出后进入集棉罩，在集棉罩内完成含防水剂的胶粘剂的喷淋后落于成型网带上，经滚压、定型后制得高排水隔音隔热玻璃纤维棉毡。本发明中通过使用具有特定结构的集棉罩，保证玻璃纤维棉上能够被均匀喷淋含防水剂的胶粘剂，不仅能够增强玻璃纤维间的结合力，还能够使防水剂均匀分布，从而提高玻璃纤维棉毡的机械强度及排水性。该方法简单易操作，且成本低，适合工业化生产。 【EN】The invention relates to a preparation method and a product of a high-drainage sound-insulation heat-insulation glass fiber cotton felt, belonging to the technical field of glass fiber materials. The method specifically comprises the following steps: the glass fiber cotton is sprayed out from a cotton spraying opening and then enters a cotton collecting cover, the adhesive containing the waterproof agent is sprayed in the cotton collecting cover and then falls on a forming mesh belt, and the high-drainage sound-insulation heat-insulation glass fiber cotton felt is prepared after rolling and shaping. According to the invention, the cotton collecting cover with a specific structure is used, so that the adhesive containing the waterproof agent can be uniformly sprayed on the glass fiber cotton, the binding force among glass fibers can be enhanced, the waterproof agent can be uniformly distributed, and the mechanical strength and the drainage property of the glass fiber cotton felt can be improved. The method is simple and easy to operate, has low cost and is suitable for industrial production.

摘要：【中文】本发明涉及一种高强度隔音隔热玻璃纤维棉毡的制备方法及产品，属于玻璃纤维材料技术领域。该方法具体为：玻璃纤维棉由喷棉口喷出后进入集棉罩，在集棉罩内完成喷胶后落于成型网带上，经滚压、定型后制得高强度隔音隔热玻璃纤维棉毡。本发明中通过使用具有特定结构的集棉罩，保证玻璃纤维棉在喷胶过程中能够被均匀施胶，增强玻璃纤维间的结合力，从而提高玻璃纤维棉毡的机械强度。该方法简单易操作，且成本低，适合工业化生产。 【EN】The invention relates to a preparation method and a product of a high-strength sound-proof and heat-insulating glass fiber cotton felt, belonging to the technical field of glass fiber materials. The method specifically comprises the following steps: the glass fiber cotton is sprayed out from a cotton spraying opening and then enters a cotton collecting cover, glue is sprayed in the cotton collecting cover and then falls on a forming mesh belt, and the high-strength sound-insulation and heat-insulation glass fiber cotton felt is prepared after rolling and shaping. The invention ensures that the glass fiber cotton can be uniformly glued in the glue spraying process by using the cotton collecting cover with a specific structure, and enhances the binding force among the glass fibers, thereby improving the mechanical strength of the glass fiber cotton felt. The method is simple and easy to operate, has low cost and is suitable for industrial production.

摘要：【中文】本申请提供一种软包电池模组，包括至少一个电池组；每个电池组均包括第一电池和第二电池；第一电池包括第一本体和第一极耳；第一极耳与第一本体连接；第一极耳上设置有凸起；第二电池包括第二本体和第二极耳；第二极耳与第二本体连接；第一极耳与第二极耳连接；第一极耳与第二极耳之间设置有防滑限位结构；防滑限位结构用于防止第一极耳和第二极耳之间相对滑动。根据本申请的软包电池模组，可以有效的防止极耳重叠位置产生打滑或错位，能够有效提升成组时极耳的稳定性。 【EN】The application provides a soft package battery module, which comprises at least one battery pack; each battery pack includes a first battery and a second battery; the first battery comprises a first body and a first tab; the first tab is connected with the first body; a bulge is arranged on the first tab; the second battery comprises a second body and a second tab; the second tab is connected with the second body; the first lug is connected with the second lug; an anti-skid limiting structure is arranged between the first lug and the second lug; the anti-slip limiting structure is used for preventing the first pole lug and the second pole lug from sliding relatively. According to the laminate polymer battery module of this application, can effectually prevent utmost point ear overlap position and produce and skid or the dislocation, the stability of utmost point ear when can effectively promoting in groups.

摘要：【中文】一种抗菌杀毒铜基滤网的制备方法。所述的抗菌杀毒铜基滤网由金属铜网骨架和表面生长氢氧化铜纳米棒阵列两部分构成。生产主要包括铜网表面预处理、表面修饰剂的制备、氢氧化铜纳米棒阵列原位生长三个步骤。所述基材为铜网具有一定的柔韧性和机械强度；所述表面修饰剂可以将预处理后的铜网活化；所述的制备工艺简单、成本低廉。本发明公开的抗菌杀毒铜基滤网的抗菌杀毒效应来自于表面氢氧化铜纳米棒阵列对微生物进行物理灭活效应，以及氢氧化铜纳米棒阵列缓释的铜离子对微生物进行化学灭活效应，两种效应协同作用提高整体抗菌杀毒性。本发明公开的抗菌杀毒铜网可以有效灭杀大多数微生物，可以应用于防护口罩、空气净化、水体消毒等领域。 【EN】A preparation method of an antibacterial and antivirus copper-based filter screen. The antibacterial and antivirus copper-based filter screen is composed of a metal copper screen framework and a copper hydroxide nanorod array growing on the surface. The production mainly comprises three steps of copper mesh surface pretreatment, surface modifier preparation and copper hydroxide nanorod array in-situ growth. The base material is a copper mesh which has certain flexibility and mechanical strength; the surface modifier can activate the pretreated copper mesh; the preparation process is simple and low in cost. The antibacterial and antivirus effect of the antibacterial and antivirus copper-based filter screen disclosed by the invention is derived from the physical inactivation effect of the surface copper hydroxide nanorod array on microorganisms and the chemical inactivation effect of copper ions slowly released by the copper hydroxide nanorod array on microorganisms, and the two effects have synergistic effect to improve the overall antibacterial and antivirus effect. The antibacterial and antivirus copper net disclosed by the invention can effectively kill most microorganisms, and can be applied to the fields of protective masks, air purification, water body disinfection and the like.

摘要：【中文】本发明公开了一种紧凑型轨道式铁钻工，属于自动化钻探装备领域，其包括轨道、基座、钳体、钳体升降支架及升降机构，基座能够沿轨道前行、止步或回位，钳体升降支架能够通过升降机构相对于基座升降；钳体设置在钳体升降支架上，钳体中的两个冲扣钳分别布置于与各自同侧的两个旋扣滚轮之间，保证了旋扣及卸扣时上下钻具的同轴度，冲扣油缸布置于钳体外侧，卸扣或上扣时夹紧钳的转动依靠上钳箱沿弧形导轨组件的运动来实现，转动平稳，可以实现更大的卸扣角度和力矩，旋扣滚轮间距可以灵活调整，受力更加可靠，从而适用的钻具范围更广，抱紧上钻具时旋扣滚轮更加稳定；对钻具的抱紧力通过旋扣夹紧油缸驱动旋扣夹紧臂实现，纵向尺寸小，机构稳定性强。 【EN】The invention discloses a compact rail type iron roughneck, which belongs to the field of automatic drilling equipment and comprises a rail, a base, a clamp body lifting support and a lifting mechanism, wherein the base can move forwards, stop or return along the rail, and the clamp body lifting support can lift relative to the base through the lifting mechanism; the clamp body is arranged on the clamp body lifting support, two punching and buckling clamps in the clamp body are respectively arranged between two screwing and buckling rollers on the same side of the clamp body, the coaxiality of an upper drilling tool and a lower drilling tool during screwing and unscrewing is ensured, the punching and buckling oil cylinder is arranged on the outer side of the clamp body, the rotation of the clamping clamps during unscrewing or screwing is realized by the movement of the upper clamp box along the arc-shaped guide rail assembly, the rotation is stable, a larger unscrewing angle and moment can be realized, the distance between the screwing and buckling rollers can be flexibly adjusted, the stress is more reliable, the applicable drilling tool range is wider, and the screwing and buckling rollers are more stable when holding the drilling tool; the holding force to the drilling tool is realized by driving the turnbuckle clamping arm through the turnbuckle clamping oil cylinder, the longitudinal size is small, and the mechanism stability is strong.

摘要：【中文】本申请涉及一种基于SM9算法的身份认证方法、装置、计算机设备和存储介质。包括：当触发身份认证请求时，生成随机数和时变参数；基于密码函数，根据声称方标识，得到声称方标识的元；根据随机数和声称方标识的元，确定第一变量元；根据随机数、时变参数、声称方标识的元、声称方的令牌以及口令，确定第二变量元；将声称方标识、时变参数、第一变量元以及第二变量元发送至验证方；由验证方验证时变参数的有效性，当有效时，基于双线性配对运算，根据验证方的令牌、时变参数、第一变量元以及第二变量元，得到双线性配对运算结果，根据运算结果，判断是否满足预设条件，满足预设条件时，返回认证通过消息至声称方。本方法能够提高身份认证的安全性。 【EN】The application relates to an identity authentication method and device based on SM9 algorithm, computer equipment and storage medium. The method comprises the following steps: when an identity authentication request is triggered, generating a random number and a time-varying parameter; based on the password function, obtaining an element of the identification of the claiming party according to the identification of the claiming party; determining a first variable element according to the random number and the element of the identification of the claimant; determining a second variable element according to the random number, the time-varying parameter, the element of the identifier of the claimant, the token of the claimant and the password; sending the identification of the claimant, the time-varying parameter, the first variable element and the second variable element to the verifier; and verifying the validity of the time-varying parameter by the verifier, obtaining a bilinear pairing operation result according to the token, the time-varying parameter, the first variable element and the second variable element of the verifier based on bilinear pairing operation when the validity is valid, judging whether a preset condition is met according to the operation result, and returning an authentication passing message to the claiming party when the preset condition is met. The method can improve the safety of identity authentication.

摘要：【中文】本申请涉及一种SM9数字签名生成方法、装置、计算机设备和存储介质。该方法包括：当触发数字签名获取时，向密钥生成中心发送用户标识和签名口令以申请签名身份凭据；密钥生成中心根据用户标识和签名口令计算签名身份凭据；接收密钥生成中心返回的签名身份凭据；获取乘法循环群的第一元素；确定数字签名的第一部分；根据签名身份凭据和签名口令得到数字签名的第二部分；根据数字签名的第一部分和数字签名的第二部分，输出数字签名。本申请的方案可以提高数字签名的安全性。 【EN】The application relates to an SM9 digital signature generation method, an SM9 digital signature generation device, a computer device and a storage medium. The method comprises the following steps: when digital signature acquisition is triggered, sending a user identifier and a signature password to a key generation center to apply for a signature identity document; the key generation center calculates a signature identity credential according to the user identification and the signature password; receiving a signature identity credential returned by the key generation center; obtaining a first element of a multiplication cycle group; determining a first portion of a digital signature; obtaining a second part of the digital signature according to the signature identity credential and the signature password; a digital signature is output based on the first portion of the digital signature and the second portion of the digital signature. The scheme of the application can improve the safety of the digital signature.

摘要：本申请涉及数据处理技术领域，提供一种像元光谱数据库优化方法及相关装置，所述方法包括获取初始像元光谱数据库；采用线性可分性定量化分析法对初始像元光谱数据库中的初始像元光谱数据进行筛选，得到第一次筛选后的像元光谱数据库子集；采用非线性可分性法对第一次筛选后的像元光谱数据库子集进行筛选，得到第二次筛选后的像元光谱数据库子集，得到优化后的像元光谱数据库。能够从低纬度的线性角度以及高纬度的非线性角度对像元光谱数据库进行两次筛选，剔除像元光谱数据库中的冗余数据和噪声，进而优化像元光谱数据库，提高像元光谱数据库的数据质量。