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申请号:202010056751.0 公开号:CN111154029A 主分类号:C08F220/30
申请人:【中文】张佳毅【EN】Zhang Jiayi 申请日:2020.01.17 公开日:2020.05.15
摘要:【中文】本发明属于水性油墨技术领域,涉及水性颜料分散体,具体是一种水性颜料分散体及制备方法、水性油墨。本发明的水性颜料分散体按重量份数,由以下原料制备,20‑40份颜料、5‑50份反应型原料、0.15‑1.5份自由基引发剂、0.7‑1.5份消泡剂、0.3‑5份助溶剂、适量pH调节剂、0.1‑0.3份对苯二酚和50‑150颜料分散体的方法,具有减少生产工序、提高生产效率、降低成本的特点,而且在水性油墨中的应用效果好。 【EN】The invention belongs to the technical field of water-based ink, and relates to a water-based pigment dispersion, in particular to a water-based pigment dispersion, a preparation method thereof and water-based ink. The aqueous pigment dispersion is prepared from the following raw materials, by weight, 20-40 parts of pigment, 5-50 parts of reactive raw materials, 0.15-1.5 parts of free radical initiator, 0.7-1.5 parts of defoaming agent, 0.3-5 parts of cosolvent, a proper amount of pH regulator, 0.1-0.3 part of hydroquinone and 50-150 parts of pigment dispersion.
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申请号:202010056752.5 公开号:CN111138608A 主分类号:C08F283/06
申请人:【中文】张佳毅【EN】Zhang Jiayi 申请日:2020.01.17 公开日:2020.05.12
摘要:【中文】本发明属于水性油墨技术领域,涉及水性颜料,具体是一种水性颜料分散体的制备方法、水性颜料分散体及应用。按重量份数计,原料包括20‑50份颜料、2‑10份阴离子型可聚合乳化剂、3‑25份马来酸单烷基酯聚醚、2‑10份疏水性单官能度可聚合单体、1‑5份疏水性多官能度可聚合单体、0.05‑0.5份油溶性偶氮类自由基引发剂、适量pH调节剂和50‑100份去离子水,充分乳化后进行自由基聚合,在颜料表面形成一层交联的分散剂包覆层;本发明采用“一锅法”制备水性颜料分散体,相比现有的先制备分散剂再制备水性颜料分散体的方法,具有减少生产工序、提高生产效率、降低成本的特点,而且分散剂交联包覆在颜料表面,稳定性好,在水性油墨中的应用效果好。 【EN】The invention belongs to the technical field of water-based ink, and relates to a water-based pigment, in particular to a preparation method of a water-based pigment dispersion, the water-based pigment dispersion and application. The raw materials comprise, by weight, 20-50 parts of pigment, 2-10 parts of anionic polymerizable emulsifier, 3-25 parts of maleic acid monoalkyl ester polyether, 2-10 parts of hydrophobic monofunctional polymerizable monomer, 1-5 parts of hydrophobic polyfunctional polymerizable monomer, 0.05-0.5 part of oil-soluble azo free radical initiator, a proper amount of pH regulator and 50-100 parts of deionized water, and the raw materials are fully emulsified and then subjected to free radical polymerization to form a layer of cross-linked dispersant coating on the surface of the pigment; compared with the existing method of preparing the dispersant and then preparing the aqueous pigment dispersion, the method has the characteristics of reducing production procedures, improving production efficiency and reducing cost, and the dispersant is coated on the surface of the pigment in a crosslinking manner, so that the stability is good and the application effect in the aqueous ink is good.
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申请号:201910937804.7 公开号:CN110855585A 主分类号:H04L25/02
申请人:【中文】北京交通大学【EN】Beijing Jiaotong University 申请日:2019.09.30 公开日:2020.02.28
摘要:【中文】本发明提供了一种毫米波大规模MIMO系统的信道估计方法。该方法包括:MIMO系统中的用户端通过上行信道向基站发送导频信号,基站将接收到的导频信号建模为带噪信道矩阵;将带噪信道矩阵输入到噪声水平估计子网,输出噪声水平图;将带噪信道矩阵和所述噪声水平图输入到非盲去噪子网,输出噪声估计矩阵:利用连续非线性联合损失函数修正非盲去噪子网中的卷积神经网络参数,修正后的非盲去噪子网通过残差学习得到修正后的噪声估计矩阵;将带噪信道矩阵与修正后的噪声估计矩阵相减得到基站与用户端之间的信道估计矩阵。本发明将非对称损耗引入噪声估计子网,对噪声水平的低估误差施加更高的损失,所提出的基于CBDNet的信道估计在NMSE性能和收敛速度方面有更好的表现。 【EN】The invention provides a channel estimation method of a millimeter wave large-scale MIMO system. The method comprises the following steps: a user side in the MIMO system sends a pilot signal to a base station through an uplink channel, and the base station models the received pilot signal into a noisy channel matrix; inputting the noisy channel matrix into a noise level estimation subnet, and outputting a noise level map; inputting the noisy channel matrix and the noise level map into a non-blind denoising subnet, and outputting a noise estimation matrix: correcting the parameters of the convolutional neural network in the non-blind denoising subnetwork by using a continuous nonlinear joint loss function, and obtaining a corrected noise estimation matrix through residual learning by the corrected non-blind denoising subnetwork; and subtracting the noise estimation matrix from the noisy channel matrix to obtain a channel estimation matrix between the base station and the user terminal. The invention introduces asymmetric loss into a noise estimation subnet, applies higher loss to underestimation error of noise level, and the proposed channel estimation based on CBDNet has better performance in NMSE performance and convergence speed.
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申请号:201911105133.4 公开号:CN110851552A 主分类号:G06F16/29
摘要:【中文】本申请实施例提供了一种物流订单的自动分配方法及装置、电子设备、存储介质,属于互联网技术领域,该方法包括:获取物流订单的地址信息;根据地址信息,获得地址信息对应的经纬度值;根据每个站点对应管辖的经纬度范围,查找经纬度范围包含经纬度值的目标站点;将物流订单推送到目标站点对应的终端。本申请提供的技术方案,实现了物流订单的自动分配,提高了订单分配效率,减少了分配错误的次数。 【EN】The embodiment of the application provides an automatic distribution method and device of a logistics order, electronic equipment and a storage medium, and belongs to the technical field of internet, wherein the method comprises the following steps: acquiring address information of a logistics order; according to the address information, obtaining a longitude and latitude value corresponding to the address information; searching a target site of which the longitude and latitude range contains a longitude and latitude value according to the longitude and latitude range governed by each site correspondingly; and pushing the logistics order to a terminal corresponding to the target site. According to the technical scheme, automatic distribution of the logistics orders is achieved, order distribution efficiency is improved, and distribution error times are reduced.
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申请号:201911254379.8 公开号:CN110931693A 主分类号:H01M2/16
摘要:【中文】本发明的技术方案涉及一种锂硫电池功能性隔层及其制备方法,属于材料化学领域。本发明首先以甲苯二异氰酸酯为原料制备聚脲多孔材料,再将其进行碳化后负载于2400隔膜表面得到功能性隔膜。该方法中制备的聚脲多孔材料碳化后得到具有多孔结构的碳材料,同时实现了碳材料骨架的氮掺杂,多孔结构能够对多硫化锂进行物理吸附,氮掺杂可以对多硫化锂进行化学吸附,二者协同作用,可以有效吸附锂硫电池充放电过程中产生的多硫化锂,减少正极活性物质的流失,提高电池的循环稳定性。 【EN】The technical scheme of the invention relates to a functional interlayer of a lithium-sulfur battery and a preparation method thereof, belonging to the field of material chemistry. The method comprises the steps of firstly preparing a polyurea porous material by taking toluene diisocyanate as a raw material, carbonizing the polyurea porous material, and loading the carbonized polyurea porous material on the surface of a 2400 diaphragm to obtain the functional diaphragm. The carbon material with the porous structure is obtained after the polyurea porous material prepared in the method is carbonized, nitrogen doping of a carbon material framework is realized, the porous structure can physically adsorb lithium polysulfide, the nitrogen doping can chemically adsorb the lithium polysulfide, and the two have synergistic effect, so that the lithium polysulfide generated in the charging and discharging processes of the lithium-sulfur battery can be effectively adsorbed, the loss of active substances of the positive electrode is reduced, and the cycling stability of the battery is improved.
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申请号:201911263132.2 公开号:CN110993941A 主分类号:H01M4/58
摘要:【中文】本发明涉及一种空心球状碳包覆硫化铁复合钾离子电池负极材料的制备方法,所述方法先制备四氧化三铁空心球,再利用气相沉积法制备碳包覆四氧化三铁空心球,最后进行硫化制备碳包覆硫化铁空心球复合材料用作钾离子电池负极材料的制备方法。采用本发明所述方法制得的材料既能通过脱嵌机制进行储钾,又能通过界面储钾机制进行储钾;既有导电性三维碳网络作为电子、离子快速传输通道,又有大的比表面提供大量的活性储钾位点,由此提供高能量密度和高功率密度。 【EN】The invention relates to a preparation method of a hollow spherical carbon-coated iron sulfide composite potassium ion battery cathode material. The material prepared by the method can store potassium through a de-intercalation mechanism and can also store potassium through an interface potassium storage mechanism; the conductive three-dimensional carbon network is used as a rapid transmission channel of electrons and ions, and the large specific surface provides a large number of active potassium storage sites, so that high energy density and high power density are provided.
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申请号:201911053300.5 公开号:CN110995298A 主分类号:H04B1/10
申请人:【中文】深圳大学【EN】SHENZHEN University 申请日:2019.10.31 公开日:2020.04.10
摘要:【中文】本发明公开了一种到达方向的估计方法、干扰抑制方法及其接收器,所述到达方向的估计方法包括:提取由圆形阵列接收信号的谐波并合成为扫描得到搜索扫描函数,其中,谐波中嵌入有到达方向信息;通过搜索扫描函数的峰值获得到达方向。通过识别扫描函数的最大值的位置给出了对于终端的到达方向的估计,继而可用来得到圆形阵列引起的空间谐波,以解决了视距多用户毫米波通信干扰的问题。 【EN】The invention discloses an estimation method of an arrival direction, an interference suppression method and a receiver thereof, wherein the estimation method of the arrival direction comprises the following steps: extracting harmonic waves of signals received by the circular array and synthesizing the harmonic waves into scanning to obtain a search scanning function, wherein arrival direction information is embedded in the harmonic waves; the direction of arrival is obtained by searching for the peak of the scan function. The estimation of the arrival direction of the terminal is given by identifying the position of the maximum value of the scanning function, and then the spatial harmonic wave caused by the circular array can be obtained, so that the problem of millimeter wave communication interference of line-of-sight multi-users is solved.
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申请号:201911069074.X 公开号:CN111218138A 主分类号:C09D1/08
摘要:【中文】本发明公开了一种绿色环保型防霉防火涂料及其制备方法,涉及防火涂料技术领域,具体为一种绿色环保型防霉防火涂料及其制备方法,包括以下重量份的原料:高铝水泥45份、膨胀蛭石26份、膨胀珍珠岩粉15份、硅酸铝纤维5份、羟丙纤维素2份、可分散乳胶粉1份、气密剂3份、防霉剂1份、纳米硅防水组合物2份。该绿色环保型防霉防火涂料及其制备方法,配方合理,制备方法操作简单,以廉价易得的高铝水泥为基本成分,降低防火涂料的使用成本,并通过添加气密剂、防霉剂和纳米硅防水组合物以增强高铝水泥的防霉耐酸碱耐盐性能和优异的防水防霉性能,避免了地下工程、隧道、车间等使用的防火涂料的密闭空间,由于霉变导致的空气污染,对人体造成由霉菌孢子引发的支气管炎、扁桃体炎、花粉热、哮喘病等呼吸道疾病和过敏症状,以及防火涂料空鼓、脱落现象。 【EN】The invention discloses a green environment-friendly mould-proof fireproof coating and a preparation method thereof, relates to the technical field of fireproof coatings, and particularly relates to a green environment-friendly mould-proof fireproof coating and a preparation method thereof, wherein the green environment-friendly mould-proof fireproof coating comprises the following raw materials in parts by weight: 45 parts of high-alumina cement, 26 parts of expanded vermiculite, 15 parts of expanded perlite powder, 5 parts of aluminum silicate fiber, 2 parts of hydroxypropyl cellulose, 1 part of dispersible latex powder, 3 parts of air-tight agent, 1 part of mildew preventive and 2 parts of nano-silicon waterproof composition. The green environment-friendly mildew-proof fireproof coating and the preparation method thereof have the advantages that the formula is reasonable, the preparation method is simple to operate, cheap and easily-obtained high-alumina cement is used as a basic component, the use cost of the fireproof coating is reduced, the mildew-proof, acid-base-resistant and salt-tolerant performances and excellent waterproof and mildew-proof performances of the high-alumina cement are enhanced by adding the air-tight agent, the mildew-proof agent and the nano-silicon waterproof composition, and the closed spaces of the fireproof coating used in underground engineering, tunnels, workshops and the like are avoided, air pollution caused by mildew causes respiratory diseases and allergic symptoms such as bronchitis, tonsillitis, pollinosis, asthma and the like caused by mildew spores to a human body, and the phenomena of hollowing and falling of the fireproof coating.
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申请号:202010029833.6 公开号:CN111224309A 主分类号:H01S3/11
摘要:【中文】本发明提供了一种基于MXene二维材料的可饱和吸收体,包括光波导以及设置于所述光波导上的MXene二维材料,所述MXene二维材料用于调制光波导中传输的光束。本发明基于MXene二维材料的可饱和吸收体稳定性较好,可以长时间用于被动锁模等特点,是目前较为理想的可饱和吸收体类型。本发明还提供了一种基于MXene二维材料的可饱和吸收体的制备方法以及一种锁模脉冲激光器。 【EN】The invention provides a saturable absorber based on an MXene two-dimensional material, which comprises an optical waveguide and the MXene two-dimensional material arranged on the optical waveguide, wherein the MXene two-dimensional material is used for modulating light beams transmitted in the optical waveguide. The saturable absorber based on the MXene two-dimensional material has the characteristics of good stability, long-time use in passive mode locking and the like, and is an ideal saturable absorber type at present. The invention also provides a preparation method of the saturable absorber based on the MXene two-dimensional material and a mode-locked pulse laser.
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申请号:202010030140.9 公开号:CN111129930A 主分类号:H01S3/067
摘要:【中文】本发明提供了一种基于硼烯二维材料的自启动器件,包括光波导以及设置于所述光波导上的硼烯二维材料,所述硼烯二维材料用于调制光波导中传输的光束。该器件包括光波导以及设置于光波导上的硼烯二维材料,光波导中传输的光束经过硼烯二维材料的调制作用,将非脉冲的输入光转换成脉冲输出光,由此获得脉冲种子源,用于Mamyshev光纤振荡器的自启动过程。该基于硼烯二维材料的自启动器件具有结构简单、无需额外占用过多空间,对现有的Mamyshev光纤振荡器安装该基于硼烯二维材料的自启动器件相对容易、改造成本低等优点。本发明还提供了一种自启动装置。 【EN】The invention provides a self-starting device based on a boron-alkene two-dimensional material, which comprises an optical waveguide and the boron-alkene two-dimensional material arranged on the optical waveguide, wherein the boron-alkene two-dimensional material is used for modulating light beams transmitted in the optical waveguide. The device comprises an optical waveguide and a boron-alkene two-dimensional material arranged on the optical waveguide, wherein a light beam transmitted in the optical waveguide is modulated by the boron-alkene two-dimensional material to convert non-pulse input light into pulse output light, so that a pulse seed source is obtained and is used for the self-starting process of the Mamyshev optical fiber oscillator. The self-starting device based on the boron alkene two-dimensional material has the advantages of being simple in structure, free of extra occupation of excessive space, relatively easy to install, low in modification cost and the like in the conventional Mamyshev optical fiber oscillator. The invention also provides a self-starting device.
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