摘要：【中文】本发明涉及一种品质稳定的造纸用液体荧光增白剂的制备方法，目的是解决双三嗪氨基二苯乙烯型四磺酸荧光增白剂生产过程中，由于体系pH不稳定而造成的产品品质不稳定的技术问题。本发明在缩合反应中，通过改变缚酸剂的加入方式，采用固定流速法向体系中加入缚酸剂及反应物料，最大程度上减少了人为因素对产品质量的影响，从根本上解决了产品质量不稳定的问题；本发明制得的液体荧光增白剂，在保证原材料质量稳定的前提下，最终产品的各项性能指标均稳定可靠，包括增强白度，甘茨白度，色谱纯度等，批差控制在±3‑5％左右。本发明在不用对现有设备进行改造的前提下，大大简化了操作工艺，工艺稳定可靠；该方法适用于所有四磺酸类增白剂的加工过程。 【EN】The invention relates to a preparation method of a liquid fluorescent whitening agent for papermaking with stable quality, and aims to solve the technical problem of unstable product quality caused by unstable system pH in the production process of a bistriazine amino stilbene type tetrasulfonic acid fluorescent whitening agent. In the condensation reaction, the acid-binding agent and the reaction materials are added into the system by changing the adding mode of the acid-binding agent and adopting a fixed flow rate method, so that the influence of human factors on the product quality is reduced to the maximum extent, and the problem of unstable product quality is fundamentally solved; on the premise of ensuring the stable quality of raw materials, the liquid fluorescent whitening agent prepared by the invention has stable and reliable performance indexes of the final product, including enhanced whiteness, Ganz whiteness, chromatographic purity and the like, and the batch difference is controlled to be about +/-3-5%. The invention greatly simplifies the operation process without modifying the existing equipment, and the process is stable and reliable; the method is suitable for all processing processes of the tetrasulfonic acid whitening agent.

摘要：【中文】本发明涉及一种洗涤剂专用二苯乙烯三嗪类荧光增白剂及其制备方法，目的是为了解决现有洗涤剂用荧光增白剂增白效果不明显、制备方法复杂、成本高的技术问题。技术方案是：一种洗涤剂专用二苯乙烯三嗪类荧光增白剂，由组分Ⅰ、组分Ⅱ和组分Ⅲ按照物质的量比为6:3:1的比例组成；其中，组分Ⅰ为：4,4'‑双[(4‑苯胺基‑6‑羟二乙基氨基‑1,3,5‑三嗪‑2‑基)氨基]二苯乙烯‑2,2'‑二磺酸二钠盐，组分Ⅱ为：4,4'‑双[(4‑苯胺基‑4'‑间氯苯胺基‑6‑羟二乙基氨基‑1,3,5‑三嗪‑2‑基)氨基]二苯乙烯‑2,2'‑二磺酸二钠盐，组分Ⅲ为：4,4'‑双[(4‑间氯苯胺基‑6‑羟二乙基氨基‑1,3,5‑三嗪‑2‑基)氨基]二苯乙烯‑2,2'‑二磺酸二钠盐。本发明制备的荧光增白剂成本低，增白效果好，单独使用完全能够达到市场需求。 【EN】The invention relates to a stilbene triazine fluorescent whitening agent special for a detergent and a preparation method thereof, and aims to solve the technical problems of unobvious whitening effect, complex preparation method and high cost of the conventional fluorescent whitening agent for the detergent. The technical scheme is as follows: a stilbene triazine fluorescent whitening agent special for detergents is composed of a component I, a component II and a component III according to the mass ratio of 6:3: 1; wherein, the component I is: 4,4 '-bis [ (4-anilino-6-hydroxydiethylamino-1, 3, 5-triazin-2-yl) amino ] stilbene-2, 2' -disulfonic acid disodium salt, component II: 4,4' -bis [ (4-anilino-4 ' -m-chloroanilino-6-hydroxydiethylamino-1, 3, 5-triazin-2-yl) amino ] stilbene-2, 2' -disulfonic acid disodium salt, component III being: 4,4 '-bis [ (4-m-chloroanilino-6-hydroxydiethylamino-1, 3, 5-triazin-2-yl) amino ] stilbene-2, 2' -disulfonic acid disodium salt. The fluorescent whitening agent prepared by the invention has low cost and good whitening effect, and can completely meet the market demand when being used alone.

摘要：【中文】本发明涉及层状阻尼材料制备的技术领域，具体来说，是一种NR/ENR层状阻尼材料及其制备方法。该阻尼材料包括天然胶和环氧化天然橡胶，采用层贴法交替贴合，贴合的层数每种胶料至少一层。本发明分别采用常规共混法和梯度层压法制备了三元共混橡胶阻尼材料，并对其阻尼性能和力学性能等综合性能进行了比较，其中梯度层压法是将天然橡胶层、丁腈橡胶层与环氧化天然橡胶层按照一定的顺序叠加制备混炼胶，并于一定条件下硫化得到三元层状梯度共混硫化胶，所制备的硫化胶由于存在层间的界面效应，有效的拓宽了材料的阻尼温域，高频及高应变下的损耗因子值明显增加。 【EN】The invention relates to the technical field of preparation of layered damping materials, in particular to an NR/ENR layered damping material and a preparation method thereof. The damping material comprises natural rubber and epoxidized natural rubber, and is alternatively attached by a layer-attaching method, wherein at least one layer of each adhesive material is attached to each layer of the attached layers. The invention respectively adopts a conventional blending method and a gradient lamination method to prepare the ternary blended rubber damping material, and compares the comprehensive properties of the damping material, the mechanical property and the like, wherein the gradient lamination method is to superpose a natural rubber layer, a nitrile rubber layer and an epoxidized natural rubber layer according to a certain sequence to prepare a rubber compound, and vulcanize the rubber compound under a certain condition to obtain ternary layered gradient blended vulcanized rubber.

摘要：【中文】本发明涉及一种橡胶的技术领域，具体来说，是一种室温改性白炭黑补强丁苯橡胶及其混炼胶制备方法。本发明所采用的改性剂聚甲基氢硅氧烷或二苯基硅氧烷，在室温条件下对白炭黑进行高效改性，在室温(25℃)条件下改性白炭黑，改性所需时间短，效率高。 【EN】The invention relates to the technical field of rubber, in particular to room-temperature modified white carbon black reinforced styrene-butadiene rubber and a preparation method of a rubber compound thereof. The modifier polymethylhydrosiloxane or diphenylsiloxane adopted by the invention is used for efficiently modifying the white carbon black at room temperature, and modifying the white carbon black at room temperature (25 ℃), so that the modification time is short and the modification efficiency is high.

摘要：【中文】本发明公开了一种计算机信息安全保护装置，具体涉及计算机设备技术领域，包括桌板，所述桌板底部两侧分别固定设置有第一支撑柜和第二支撑柜，所述桌板顶部设置有显示屏，所述显示屏输出端连接有主机，所述主机设置在第二支撑柜内部，所述第二支撑柜外侧设置有主机防护机构，所述桌板底部设置有键盘防护机构。本发明通过设置有主机防护机构和键盘防护机构，可以通过防护门上的按键槽直接按动主机的开机键，从而不需要打开防护门便可以开机，提高了开机效率，通过第一指纹密码锁和第二指纹密封锁可以有效对主机和键盘进行防护，与现有技术相比，可以有效对键盘和主机进行防护，且自动化程度高，操作便捷，且开机不用进行验证，提高操作效率。 【EN】The invention discloses a computer information safety protection device, and particularly relates to the technical field of computer equipment. According to the invention, the host protection mechanism and the keyboard protection mechanism are arranged, and the starting key of the host can be directly pressed through the key groove on the protection door, so that the computer can be started without opening the protection door, the starting efficiency is improved, the host and the keyboard can be effectively protected through the first fingerprint coded lock and the second fingerprint sealed lock, compared with the prior art, the keyboard and the host can be effectively protected, the automation degree is high, the operation is convenient, the verification is not needed during the starting process, and the operation efficiency is improved.

摘要：【中文】本发明涉及一种低压电力线噪声录制及注入系统，包括电力线接口、电源模块、电力线耦合滤波器、功率放大器、任意波形发生器以及电力线通信信号检测和分析器。本系统通过录制并储存现场噪音，在实验室通过任意信号发生器还原现场噪音信号，以此验证电力线载波通信模块在现场噪音环境下的工作特性；通过电力线耦合滤波器隔离高压市电，使测量仪器与强电隔离，保证测量设备的安全，对测试频带外的噪声进行滤波，减少无用信号干扰，该系统为低压载波通讯模块的抗干扰测试提供了依据。 【EN】The invention relates to a low-voltage power line noise recording and injecting system which comprises a power line interface, a power supply module, a power line coupling filter, a power amplifier, an arbitrary waveform generator and a power line communication signal detection and analyzer. The system restores a field noise signal through any signal generator in a laboratory by recording and storing the field noise so as to verify the working characteristics of the power line carrier communication module in a field noise environment; the high-voltage commercial power is isolated through the power line coupling filter, so that the measuring instrument is isolated from the strong power, the safety of measuring equipment is ensured, noise outside a test frequency band is filtered, the interference of useless signals is reduced, and the system provides a basis for the anti-interference test of the low-voltage carrier communication module.

摘要：【中文】本发明公开了一种石墨烯分散方法‑石墨烯‑炭黑复合粒料及其制备方法和应用，涉及一种石墨烯与炭黑的复合粒料、其制备方法和应用。本发明主要是通过将石墨烯均匀分散于炭黑水分散液内按质量比为1∶1000～2比例混合形成稳定石墨烯‑炭黑复合分散液，再将所述石墨烯‑炭黑复合分散液40～80℃进行造粒。解决石墨烯在高分子材料中难以均匀分散的应用问题。且相关工艺路线简单、反应条件温和、原料来源丰富，安全环保。 【EN】The invention discloses a graphene dispersion method-graphene-carbon black composite granules and a preparation method and application thereof, and relates to graphene and carbon black composite granules and a preparation method and application thereof. The preparation method mainly comprises the steps of uniformly dispersing graphene in a carbon black water dispersion liquid, mixing the graphene and the carbon black water dispersion liquid according to the mass ratio of 1: 1000-2 to form a stable graphene-carbon black composite dispersion liquid, and granulating the graphene-carbon black composite dispersion liquid at the temperature of 40-80 ℃. The problem of the application of graphene in high polymer materials which is difficult to disperse uniformly is solved. And the related process route is simple, the reaction condition is mild, the raw material source is rich, and the method is safe and environment-friendly.