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申请号:201911227742.7 公开号:CN111008594A 主分类号:G06K9/00
申请人:【中文】科大讯飞股份有限公司【EN】IFLYTEK Co.,Ltd. 申请日:2019.12.04 公开日:2020.04.14
摘要:【中文】本申请公开了一种改错题评阅方法、相关设备及可读存储介质,在获取待评阅改错题的整体答题区域图像之后,对该图像进行语义分割处理,得到该图像中的分割部件,并基于该整体答题区域图像中的分割部件,确定该整体答题区域图像中的修改处;由于对整体答题区域图像进行语义分割处理得到的分割部件,不会因为整体答题区域图像与答题模板的图像不完全对应就会发生改变,因此,基于整体答题区域图像中的分割部件,能够准确确定出修改处,通过对确定出的修改处进行分析,即可得到对改错题的准确评阅结果。 【EN】The application discloses a wrong answer evaluation method, related equipment and a readable storage medium, wherein after an integral answer area image of a wrong answer to be evaluated is obtained, semantic segmentation processing is carried out on the image to obtain a segmentation component in the image, and a modification part in the integral answer area image is determined based on the segmentation component in the integral answer area image; because the segmentation component obtained by performing semantic segmentation processing on the whole answer area image does not change due to incomplete correspondence between the whole answer area image and the image of the answer template, the modification position can be accurately determined based on the segmentation component in the whole answer area image, and the accurate evaluation result of the wrong answer can be obtained by analyzing the determined modification position.
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申请号:201911366273.7 公开号:CN111204069A 主分类号:B29D7/00
摘要:【中文】本发明公开了一种防滑硅胶垫的生产工艺,步骤S1:进行原料初选,选择生产用的硅胶颗粒和反应试剂作为生产原料,选择合适的反应试剂,并将反应试剂单独存放,将硅胶颗粒进行除杂筛选,将硅胶颗粒中的杂质除去后,将经过除杂后的原料进行储放,便于后续工序进行使用;步骤S2:进行硫化处理,将经过除杂和筛分后的硅胶颗粒转移到模具中,并将反应试剂添加到硅胶颗粒中,本发明,工艺简洁,操作简单方便;在生产硅胶垫的过程中,通过对硅胶片进行涂层喷涂处理能够使得硅胶片的表层具有良好的隔热和防水效果,同时,通过对硅胶片防滑加压处理,能够使得硅胶垫的表面具有良好的防滑效果,有效提高硅胶片的整体质量。 【EN】The invention discloses a production process of an anti-slip silica gel pad, which comprises the following steps of S1: performing raw material primary selection, selecting silica gel particles and reaction reagents for production as production raw materials, selecting appropriate reaction reagents, storing the reaction reagents separately, removing impurities from the silica gel particles, screening, removing impurities from the silica gel particles, and storing the raw materials after impurity removal, so that the raw materials can be conveniently used in subsequent processes; step S2: carrying out vulcanization treatment, transferring the silica gel particles subjected to impurity removal and screening into a mold, and adding a reaction reagent into the silica gel particles; in the process of producing the silica gel pad, the surface layer of the silica gel sheet has good heat insulation and waterproof effects by coating and spraying the silica gel sheet, and meanwhile, the surface of the silica gel pad has good anti-skidding effects by anti-skidding and pressurizing treatment of the silica gel sheet, so that the overall quality of the silica gel sheet is effectively improved.
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申请号:201911070244.6 公开号:CN110907416A 主分类号:G01N21/64
申请人:【中文】中山大学【EN】SUN YAT-SEN University 申请日:2019.11.05 公开日:2020.03.24
摘要:【中文】本发明属于循环肿瘤细胞检测技术领域,具体公开基于空心纳米针管电穿孔系统的循环肿瘤细胞检测装置,包括:细胞培养池,所述细胞培养池包括聚二甲基硅氧烷块状物和聚碳酸酯膜,所述聚二甲基硅氧烷块状物带有中心孔,所述聚碳酸酯膜对应于中心孔的底部位置,且其上设有空心纳米针管阵列,所述中心孔与聚碳酸酯膜形成的空腔用于存放细胞悬浮液;微流沟道,用于递送药物溶液,包括带有沟道的PDMS薄膜以及ITO玻璃,所述PDMS薄膜粘连ITO玻璃的导电面;所述细胞培养池与微流沟道通过未固化的PDMS作为粘连物,两者相互整合封装。该细胞检测装置能较好的完成CTC识别后器件内的原位药物调控,具有优良的生物相容性,有效的解决CTC识别中存在的血液细胞背景干扰问题。 【EN】The invention belongs to the technical field of circulating tumor cell detection, and particularly discloses a circulating tumor cell detection device based on a hollow nano needle tube electroporation system, which comprises: the cell culture pool comprises a polydimethylsiloxane block and a polycarbonate membrane, wherein the polydimethylsiloxane block is provided with a central hole, the polycarbonate membrane corresponds to the bottom position of the central hole and is provided with a hollow nano needle tube array, and a cavity formed by the central hole and the polycarbonate membrane is used for storing cell suspension; the microfluidic channel is used for delivering a drug solution and comprises a PDMS film with a channel and ITO glass, wherein the PDMS film is adhered to a conductive surface of the ITO glass; the cell culture pool and the microfluidic channel are integrated and packaged with each other by taking uncured PDMS as an adhesive. The cell detection device can well complete in-situ drug regulation and control in a device after CTC identification, has excellent biocompatibility, and effectively solves the problem of blood cell background interference in CTC identification.
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申请号:201911303575.X 公开号:CN110956043A 主分类号:G06F40/295
摘要:【中文】本发明公开了一种基于别名标准化的领域专业词汇词嵌入向量训练方法、系统及介质,本发明领域专业词汇词嵌入向量训练方法的实施步骤包括:获取领域专业词汇的正规名称及其别名,建立别名表;对训练文献进行别名标准化;使用词嵌入向量计算工具对标准化后的训练文献进行学习得到训练文献中所有单词的词嵌入向量;将别名表中所有别名的词嵌入向量设置为其对应的正规名称的词嵌入向量。本发明能够克服领域专业词汇的词嵌入向量不准确的问题,通过别名标准化的方法将相同含义的词汇统一用标准化的词汇表示,使得专业词汇在文献中出现的次数大大增加,从而大幅度提高了专业词汇的词嵌入向量的准确性,为专业领域的命名实体识别奠定了坚实的基础。 【EN】The invention discloses a field professional vocabulary word embedding vector training method, a system and a medium based on alias standardization, and the field professional vocabulary word embedding vector training method comprises the following implementation steps: acquiring a normal name and an alias of a field professional vocabulary, and establishing an alias table; performing alias normalization on the training documents; learning the standardized training documents by using a word embedding vector calculation tool to obtain word embedding vectors of all words in the training documents; and setting the word embedding vectors of all the aliases in the alias table as the corresponding word embedding vectors of the regular names. The invention can overcome the problem that the word embedding vector of the professional vocabulary in the field is inaccurate, and the vocabulary with the same meaning is uniformly expressed by the standardized vocabulary by the alias standardization method, so that the occurrence frequency of the professional vocabulary in the literature is greatly increased, the word embedding vector accuracy of the professional vocabulary is greatly improved, and a solid foundation is laid for the named entity recognition in the professional field.
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申请号:201911303581.5 公开号:CN111063392A 主分类号:G16B20/20
摘要:【中文】本发明公开了一种基于神经网络的基因突变致病性检测方法、系统及介质,本发明方法包括输入待检测的基因检测VCF文件以及HPO表型;根据待检测的基因检测VCF文件以及HPO表型获取各个基因变异的特征值;对于每一种基因变异,将该基因变异的特征值输入训练好的神经网络模型得到该基因变异的致病性综合分析结果,神经网络模型被预先训练建立了各个基因变异的特征值、各个基因变异的致病性综合分析结果之间的映射关系。本发明不仅克服了人工分析的主观性缺陷,而且能够综合考虑影响基因突变致病性的各种因素,使得综合分析的结果更为客观有效,大大提高了对基因突变致病性分析的准确性,提高了基因解读的效率。 【EN】The invention discloses a gene mutation pathogenicity detection method, a system and a medium based on a neural network, wherein the method comprises the steps of inputting a gene detection VCF file to be detected and an HPO phenotype; acquiring characteristic values of various genetic variations according to a gene detection VCF file to be detected and the HPO phenotype; for each genetic variation, the characteristic value of the genetic variation is input into a trained neural network model to obtain a pathogenicity comprehensive analysis result of the genetic variation, and the neural network model is trained in advance to establish a mapping relation between the characteristic value of each genetic variation and the pathogenicity comprehensive analysis result of each genetic variation. The invention not only overcomes the subjective defect of manual analysis, but also can comprehensively consider various factors influencing the pathogenicity of the gene mutation, so that the result of the comprehensive analysis is more objective and effective, the accuracy of the pathogenicity analysis of the gene mutation is greatly improved, and the gene reading efficiency is improved.
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申请号:201911132583.2 公开号:CN110917502A 主分类号:A61N5/06
申请人:【中文】中山大学【EN】SUN YAT-SEN University 申请日:2019.11.14 公开日:2020.03.27
摘要:【中文】本发明公开了一种可促进牙组织修复的口腔植入式无线供电发光微装置,采用共振线圈系统进行供电,不会存在传统的采用导线连接的供电方式容易导致的导线磨损、裸露、接触不良问题和安全隐患或传统电池供电方式存在的电池尺寸局限、使用寿命局限或更换麻烦等问题,更加便捷安全,通过体外发射线圈与体内接收线圈的电磁感应效应,在高频的交变磁场作用下进行能量传输,可在治疗过程中为植入口腔内的LED光疗灯提供持续的电源供给,为植入式设备的长期电能供给提供了可靠的优选方案。 【EN】The invention discloses an oral cavity implanted wireless power supply luminous micro device capable of promoting dental tissue repair, which adopts a resonance coil system to supply power, does not have the problems of wire abrasion, bare and poor contact easily caused by the traditional power supply mode adopting wire connection, potential safety hazard or battery size limitation, service life limitation or troublesome replacement and the like existing in the traditional battery power supply mode, is more convenient and safer, can transmit energy under the action of a high-frequency alternating magnetic field through the electromagnetic induction effect of an external transmitting coil and an internal receiving coil, can provide continuous power supply for an LED phototherapy lamp implanted in the oral cavity in the treatment process, and provides a reliable optimal scheme for the long-term power supply of implanted equipment.
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申请号:201911166337.9 公开号:CN110897786A 主分类号:A61F13/00
申请人:【中文】中山大学【EN】SUN YAT-SEN University 申请日:2019.11.25 公开日:2020.03.24
摘要:【中文】本发明公开了一种检测与治疗一体化的柔性智能绷带装置,采用集成传感器实时获取患者皮肤的生物信息,并通过生物信息判断出患者的伤口感染区域,使用LED光疗模块对伤口进行治疗,解决了现有伤口护理绷带无法实时提供伤口变化的信息,以及不能自主地进行治疗的局限,可以做到实时检测伤口状态,对伤口杀菌,促进伤口组织生长的作用。最终为病患和医生提供了准确可靠的伤口状况,以便更好地治疗和管理伤口。 【EN】The invention discloses a flexible intelligent bandage device integrating detection and treatment, which adopts an integrated sensor to acquire biological information of the skin of a patient in real time, judges a wound infected area of the patient through the biological information, treats a wound by using an LED phototherapy module, solves the problems that the existing wound nursing bandage cannot provide information of wound change in real time and cannot treat the wound autonomously, and can realize the effects of detecting the state of the wound in real time, sterilizing the wound and promoting the growth of wound tissues. Ultimately providing patients and physicians with accurate and reliable wound conditions for better treatment and management of wounds.
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申请号:201911236354.5 公开号:CN110937824A 主分类号:C03C21/00
摘要:【中文】本发明涉及玻璃生产技术领域,公开了化学强化玻璃及其制备方法和应用。所述化学强化玻璃包括原始玻璃和在所述原始玻璃表面上形成的深度为D的离子交换层,其中,250μm≤D≤350μm;相对于所述原始玻璃,所述离子交换层中K2O的平均增量为0.1重量%‑0.25重量%,优选为0.12重量%‑0.23重量%。相对于现有技术,本发明的化学强化玻璃具有更深的离子交换层深度,本发明的制备方法通过采用锂钠交换和钠钾交换依次进行来限定离子交换的离子量,避免了离子交换产生过量的挤塞效应而导致玻璃性能下降或发生自爆。现对于现有技术,本发明具有更优的耐摔性能、抗弯性能和抗冲击性能。 【EN】The invention relates to the technical field of glass production, and discloses chemically strengthened glass and a preparation method and application thereof. The chemically strengthened glass comprises original glass and an ion exchange layer with the depth of D, wherein D is more than or equal to 250 mu m and less than or equal to 350 mu m, and is formed on the surface of the original glass; k in the ion exchange layer relative to the original glass2The average increase in O is from 0.1% to 0.25% by weight, preferably from 0.12% to 0.23% by weight. Compared with the prior art, the chemically strengthened glass has deeper ion exchange layer depth, and the preparation method of the invention limits the ion amount of ion exchange by adopting the sequential lithium sodium exchange and sodium potassium exchange, thereby avoiding the phenomenon that the glass performance is reduced or the glass is self-exploded due to the excessive crowding effect generated by the ion exchange. Compared with the prior art, the invention has better drop resistance, bending resistance and impact resistance.
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申请号:201810972816.9 公开号:CN110857894A 主分类号:G01L1/18
申请人:【中文】中山大学【EN】SUN YAT-SEN University 申请日:2018.08.24 公开日:2020.03.03
摘要:【中文】本发明提供了一种基于有序石墨烯的可检测应力方向的柔性力学传感器,其包括:第一有序石墨烯传感单元,其包括有序排列的石墨烯片层、包埋所述石墨烯片层的聚二甲基硅氧烷、以及从聚二甲基硅氧烷引出的导线和电极;以及第二有序石墨烯传感单元,其包括有序排列的石墨烯片层、包埋所述石墨烯片层的聚二甲基硅氧烷、以及从聚二甲基硅氧烷引出的导线和电极;其中第一有序石墨烯传感单元的石墨烯排列平行的方向与第二有序石墨烯传感单元的石墨烯排列垂直的方向对齐并重叠,用聚二甲基硅氧烷黏附接触面并固化、封装。本发明的柔性力学传感器能够同时测量应力大小和应力方向。 【EN】The invention provides a flexible mechanical sensor capable of detecting stress direction based on ordered graphene, which comprises: the sensor comprises a first ordered graphene sensing unit, a second ordered graphene sensing unit and a third ordered graphene sensing unit, wherein the first ordered graphene sensing unit comprises ordered graphene sheet layers, polydimethylsiloxane embedding the graphene sheet layers, and a lead and an electrode which are led out from the polydimethylsiloxane; and a second ordered graphene sensing unit comprising ordered graphene sheets, polydimethylsiloxane embedding the graphene sheets, and leads and electrodes leading out of the polydimethylsiloxane; and aligning and overlapping the direction parallel to the graphene arrangement of the first ordered graphene sensing unit and the direction vertical to the graphene arrangement of the second ordered graphene sensing unit, adhering a contact surface with polydimethylsiloxane, curing and packaging. The flexible mechanical sensor can measure the stress magnitude and the stress direction simultaneously.
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申请号:201911235356.2 公开号:CN110981187A 主分类号:C03C3/085
摘要:【中文】一种含碱玻璃及其强化方法,其含有SiO2、Al2O3、Na2O、K2O、MgO、Li2O,其中,相对于100重量份的SiO2,Al2O3的含量为32~46重量份,Na2O的含量为9.5~17重量份,K2O的含量为0.1~4重量份,Li2O的含量为4~10重量份,MgO的含量为2.1~6.4重量份;并且通过下式(1)~(3)计算得到的A、B和C的值A=0.63*wt(Na2O)+0.52*wt(K2O)+0.75*wt(Li2O)+0.72*wt(MgO)‑0.01*wt(Al2O3)*wt(Al2O3) 式(1)B=(wt(SiO2)+wt(Al2O3))/(0.9*wt(Na2O)+wt(Li2O)+0.8*wt(K2O)+0.7*wt(MgO)) 式(2)C=(wt(Na2O)+wt(K2O))/(wt(Li2O) 式(3)其中A的值为3~9,B的值为2~8,C的值为1~5;本发明还涉及该含碱玻璃的化学强化方法,其是通过二次化学强化后获得,其中第二次化学强化采用的熔融盐不同于第一次化学强化采用的熔融盐;优选在化学强化的过程中采用逐步提升强化液温度的强化方式。 【EN】An alkali-containing glass containing SiO and its strengthening method2、Al2O3、Na2O、K2O、MgO、Li2O, wherein, with respect to 100 parts by weight of SiO2,Al2O3Is 32 to 46 parts by weight of Na2The content of O is 9.5-17 parts by weight, K20.1 to 4 parts by weight of O, Li24-10 parts of O and 2.1-6.4 parts of MgO; and the values a of A, B and C calculated by the following formulas (1) to (3) are 0.63 × wt (Na)2O)+0.52*wt(K2O)+0.75*wt(Li2O)+0.72*wt(MgO)‑0.01*wt(Al2O3)*wt(Al2O3) Formula (1) B ═ wt (SiO)2)+wt(Al2O3))/(0.9*wt(Na2O)+wt(Li2O)+0.8*wt(K2O) +0.7 × wt (mgo) formula (2) C ═ wt (Na)2O)+wt(K2O))/(wt(Li2O) formula(3) Wherein the value of A is 3-9, the value of B is 2-8, and the value of C is 1-5; the invention also relates to a chemical strengthening method of the alkali-containing glass, which is obtained after secondary chemical strengthening, wherein the molten salt used for the secondary chemical strengthening is different from the molten salt used for the first chemical strengthening; preferably, the strengthening method of gradually raising the temperature of the strengthening liquid is adopted in the chemical strengthening process.
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