当前查询到347条专利与查询词 "Feng Shuai"相关,搜索用时0.3749646秒!排序方式:
发明专利:168实用新型: 170外观设计: 9
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申请号:201911227307.4 公开号:CN110864762A 主分类号:G01F23/14
申请人:【中文】武汉工程大学【EN】Wuhan Institute of Technology 申请日:2019.12.04 公开日:2020.03.06
摘要:【中文】本发明公开了一种无需安装的投入式光纤液位仪,宽谱光源连接至光纤耦合器的一个输入端;光纤耦合器的另一个输入端连接至光谱分析仪;光纤耦合器的一个输出端口通过偏振控制器连接至一段端面切平的普通单模光纤;光纤耦合器的另一个输出端口连接至光纤液位仪传感模块。先在Michelson干涉仪的传感臂中连接一段保偏光子晶体光纤形成复合干涉仪结构,然后通过监测复合干涉光谱包络谱线在某一波长处的对比度可以解调得到由光纤液位仪传感模块探测到的液位信息。这种光纤液位仪无需安装、直接投入液体中,探测简单可靠。此外,利用复合干涉仪光谱在特定波长处的对比度解调方法,相较于传统波长解调方法而言,测量精度大大提高,探测更加准确。 【EN】The invention discloses a drop-in optical fiber liquid level meter without installation.A wide-spectrum light source is connected to one input end of an optical fiber coupler; the other input end of the optical fiber coupler is connected to the spectrum analyzer; one output port of the optical fiber coupler is connected to a section of common single-mode optical fiber with a flattened end face through a polarization controller; and the other output port of the optical fiber coupler is connected to the optical fiber liquid level meter sensing module. A section of polarization maintaining photonic crystal fiber is connected in a sensing arm of the Michelson interferometer to form a composite interferometer structure, and then the liquid level information detected by a sensing module of the fiber level gauge can be obtained by monitoring the contrast of a composite interference spectrum envelope spectral line at a certain wavelength and demodulating the contrast. The optical fiber liquid level meter does not need to be installed, can be directly thrown into liquid, and is simple and reliable in detection. In addition, compared with the traditional wavelength demodulation method, the method for demodulating the contrast of the spectrum of the composite interferometer at a specific wavelength greatly improves the measurement precision and is more accurate in detection.
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申请号:201911253238.4 公开号:CN110993735A 主分类号:H01L31/18
摘要:【中文】本发明提供了一种用于制备雪崩光电二极管的方法及雪崩光电二极管,涉及半导体技术领域。该方法包括:在InP衬底上沉积生长N+‑InP层、N+‑InAlAs层、InAlAs倍增层和第一子电荷层;设定铝源炉的目标温度为第一目标温度,在铝源炉开始降温同时,利用铝源炉沉积生长第二子电荷层;将镓源炉的温度升高至第二温度;设定镓源炉的目标温度为第二目标温度,在镓源炉开始降温同时,利用镓源炉沉积生长第一子吸收层;等待镓源炉降温至第二目标温度后,利用镓源炉沉积生长第二子吸收层。通过在铝源炉降温的同时生长P‑InAlAs电荷层的一部分,通过在镓源炉降温的同时生长InGaAs吸收层的一部分,由上述两个部分形成的界面为载流子的输运提供了平滑的过渡,减小了载流子的阻塞效应。 【EN】The invention provides a method for preparing an avalanche photodiode and the avalanche photodiode, and relates to the technical field of semiconductors. The method comprises the following steps: depositing and growing N on InP substrate+-InP layer, N+-an InAlAs layer, an InAlAs multiplication layer and a first sub-charge layer; setting the target temperature of the aluminum source furnace as a first target temperature, and depositing and growing a second sub-charge layer by using the aluminum source furnace when the aluminum source furnace starts to cool; raising the temperature of the gallium source furnace to a second temperature; setting the target temperature of the gallium source furnace as a second target temperature, and depositing and growing a first sub-absorption layer by using the gallium source furnace when the gallium source furnace starts to cool; and after the gallium source furnace is cooled to a second target temperature, depositing and growing a second sub-absorption layer by using the gallium source furnace. The method comprises growing a part of a P-InAlAs charge layer while cooling an aluminum source furnace, growing a part of an InGaAs absorption layer while cooling a gallium source furnace, and forming the two partsThe interface provides smooth transition for the carrier transportation, and reduces the blocking effect of the carrier.
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申请号:201911222421.8 公开号:CN110947033A 主分类号:A61L27/46
申请人:【中文】中南大学【EN】CENTRAL SOUTH University 申请日:2019.12.03 公开日:2020.04.03
摘要:【中文】本发明公开了一种人工骨支架材料、材料制备方法及人工骨支架的制备方法,所述复合人工骨支架材料包括多巴胺、生物陶瓷以及聚己内酯。其制备的人工骨支架,具有刚度高、强度高、材料界面结合好以及支架内部孔结构可控的优势。本发明的制备方法简单,成本较低,所制备的复合人工骨支架中羟基磷灰石与聚己内酯的界面结合较强,拉伸性能高,可用于骨缺损修复领域。 【EN】The invention discloses an artificial bone scaffold material, a material preparation method and a preparation method of an artificial bone scaffold. The artificial bone scaffold prepared by the method has the advantages of high rigidity, high strength, good material interface combination and controllable pore structure in the scaffold. The preparation method is simple and low in cost, and the prepared composite artificial bone scaffold has strong interface bonding between hydroxyapatite and polycaprolactone and high tensile property, and can be used in the field of bone defect repair.
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申请号:201811358020.0 公开号:CN111184916A 主分类号:A61L27/50
申请人:【中文】中南大学【EN】CENTRAL SOUTH University 申请日:2018.11.15 公开日:2020.05.22
摘要:【中文】本发明属于骨支架制备领域,具体公开了一种制备羟基磷灰石/左旋聚乳酸复合骨支架的方法,该方法利用聚多巴胺对左旋聚乳酸粉末进行表面修饰,将修饰的粉末置于模拟体液中浸泡从而在左旋聚乳酸粉末表面原位生成羟基磷灰石,所得粉末经过滤、清洗、干燥、研磨制得复合粉末,所得复合粉末经选择性激光烧结制备羟基磷灰石/左旋聚乳酸复合骨支架。该方法制备的复合骨支架中,羟基磷灰石均匀地分布在左旋聚乳酸基体中,羟基磷灰石与左旋聚乳酸之间具有较强的界面结合。 【EN】The invention belongs to the field of bone scaffold preparation, and particularly discloses a method for preparing a hydroxyapatite/levorotatory polylactic acid composite bone scaffold. In the composite bone scaffold prepared by the method, hydroxyapatite is uniformly distributed in the levorotatory polylactic acid matrix, and strong interface bonding is realized between the hydroxyapatite and the levorotatory polylactic acid.
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申请号:202010158992.6 公开号:CN111244699A 主分类号:H01R13/6477
摘要:【中文】一种高速电连接器,包括多个片状绝缘支撑件,各所述绝缘支撑件沿一个方向堆叠设置,各绝缘支撑件内固设有若干信号端子,所述若干个信号端子至少包括一对差分信号端子对,各信号端子包括用于连接到电路板的尾部、用于与对接器件配合的接触部、以及将所述尾部和接触部互相连接在一起的本体部,所述本体部为所述信号端子在所述尾部和接触部之间形成信号通路,所述片状绝缘支撑件于本体部与尾部连接位置形成薄形部,所述相邻两个片状绝缘支撑件于薄形部位置形成空气凹槽,具有更好的阻抗连续性及信号完整性。 【EN】A high-speed electric connector comprises a plurality of sheet-shaped insulating supporting pieces, wherein the insulating supporting pieces are stacked in one direction, a plurality of signal terminals are fixedly arranged in each insulating supporting piece, the signal terminals at least comprise a pair of differential signal terminal pairs, each signal terminal comprises a tail part used for being connected to a circuit board, a contact part used for being matched with a butting device and a body part used for connecting the tail part and the contact part with each other, the body part is used for enabling the signal terminals to form a signal path between the tail part and the contact part, the sheet-shaped insulating supporting pieces form a thin part at the connection position of the body part and the tail part, and air grooves are formed at the thin parts of two adjacent sheet-shaped insulating supporting pieces, so that the high-speed electric connector has better impedance continuity and signal integrity.
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申请号:202010159447.9 公开号:CN111244668A 主分类号:H01R13/40
摘要:【中文】一种高速电连接器,包括多个片状绝缘支撑件,各所述片状绝缘支撑件沿一个方向堆叠设置,各片状绝缘支撑件内固设有若干信号端子,所述若干个信号端子至少包括一对差分信号端子对,各信号端子包括用于连接到电路板的尾部、用于与对接器件配合的接触部、以及将所述尾部和接触部互相连接在一起的本体部,所述本体部为所述信号端子在所述尾部和接触部之间形成信号通路,各所述片状绝缘支撑件上,在临近所述信号端子的位置贯穿形成有空气通道,至少两个相邻的所述信号端子之间未设有空气通道,具有更好的结构强度。 【EN】A high-speed electric connector comprises a plurality of sheet-shaped insulating supporting pieces, wherein each sheet-shaped insulating supporting piece is stacked along one direction, a plurality of signal terminals are fixedly arranged in each sheet-shaped insulating supporting piece, each signal terminal at least comprises a pair of differential signal terminals, each signal terminal comprises a tail part used for being connected to a circuit board, a contact part used for being matched with a butting device and a body part used for mutually connecting the tail part and the contact part together, the body part is used for enabling the signal terminals to form a signal passage between the tail part and the contact part, an air channel is formed in each sheet-shaped insulating supporting piece in a penetrating mode at a position close to the signal terminals, and the air channel is not arranged between at least two adjacent signal terminals, so that the high-speed electric connector has better structural strength.
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申请号:201811303874.9 公开号:CN111142128A 主分类号:G01S19/23
申请人:【中文】千寻位置网络有限公司【EN】QIANXUN SPATIAL INTELLIGENCE Inc. 申请日:2018.11.02 公开日:2020.05.12
摘要:【中文】本发明适用于卫星导航技术领域,提供了一种导航完好性的监测方法及装置、无人机,所述监测方法包括:获取当前卫星导航定位数据及当前运动载体动力学模型输出的加速度数据;基于所获取的定位数据及加速度数据监测导航状态是否完好,获得监测结果。本发明中,基于当前的定位数据及加速度数据来评估监测当前的导航是否完好,实现过程较简单。 【EN】The invention is suitable for the technical field of satellite navigation, and provides a navigation integrity monitoring method and device and an unmanned aerial vehicle, wherein the monitoring method comprises the following steps: acquiring current satellite navigation positioning data and acceleration data output by a current motion carrier dynamic model; and monitoring whether the navigation state is intact or not based on the acquired positioning data and the acquired acceleration data to obtain a monitoring result. In the invention, whether the current navigation is intact is evaluated and monitored based on the current positioning data and the acceleration data, and the realization process is simpler.
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申请号:201811356365.2 公开号:CN111249530A 主分类号:A61L27/44
申请人:【中文】中南大学【EN】CENTRAL SOUTH University 申请日:2018.11.14 公开日:2020.06.09
摘要:【中文】本发明属于骨支架材料领域,具体公开了一种蒙脱石/聚羟基乙酸复合骨支架,包括聚羟基乙酸基体以及分散在基体中的改性蒙脱石;所述的改性蒙脱石为经阳离子表面活性剂改性处理的蒙脱石。本发明还公开了所述的复合骨支架的制备方法,该方法利用阳离子表面活性剂对蒙脱石粉末进行改性,将改性后的蒙脱石粉末与聚羟基乙酸粉末进行共混,经磁力搅拌、超声分散、离心、干燥、研磨制备复合粉末,再利用激光3D打印技术制备复合骨支架。所制备复合骨支架的多孔结构可控,孔连通性较好,蒙脱石与聚羟基乙酸具有较强的界面结合,力学强度较高。 【EN】The invention belongs to the field of bone scaffold materials, and particularly discloses a montmorillonite/polyglycolic acid composite bone scaffold, which comprises a polyglycolic acid matrix and modified montmorillonite dispersed in the matrix; the modified montmorillonite is montmorillonite modified by a cationic surfactant. The invention also discloses a preparation method of the composite bone scaffold, which comprises the steps of modifying montmorillonite powder by using a cationic surfactant, blending the modified montmorillonite powder and polyglycolic acid powder, preparing composite powder by magnetic stirring, ultrasonic dispersion, centrifugation, drying and grinding, and preparing the composite bone scaffold by using a laser 3D printing technology. The prepared composite bone scaffold has controllable porous structure, good pore connectivity, strong interface bonding between montmorillonite and polyglycolic acid, and high mechanical strength.
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申请号:201911036558.4 公开号:CN110867388A 主分类号:H01L21/52
摘要:【中文】本发明公开了一种防粘胶的分段式芯片压合模具,包含上模和下模,所述下模的上表面设置有多个压台,所有的压台的上表面均为平面,且相互齐平;所述压台用于将芯片压合在基板上,每个压台对应一个芯片,且每个压台与对应的芯片的接触范围不超过芯片的边缘;本方案通过在下模的上表面设置有多个压台,将芯片的压合方式改为分段式,可以有效提高压合芯片的精准性,提高溢胶的稳定性,防止异常发生,保证品质。 【EN】The invention discloses an anti-adhesive sectional type chip laminating die which comprises an upper die and a lower die, wherein the upper surface of the lower die is provided with a plurality of pressing tables, and the upper surfaces of all the pressing tables are flat and flush with each other; the pressing tables are used for pressing the chips on the substrate, each pressing table corresponds to one chip, and the contact range of each pressing table and the corresponding chip does not exceed the edge of the chip; this scheme is provided with a plurality of pressure platforms through the upper surface at the lower mould, changes the pressfitting mode of chip into the sectional type, can effectively improve the accurate nature of pressfitting chip, improves the stability of excessive glue, prevents unusual emergence, guarantees the quality.
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申请号:201911353903.7 公开号:CN111011524A 主分类号:A23C11/10
摘要:【中文】本发明公开了一种豆乳发酵液、饮品及制备方法。该豆乳发酵液由包括如下组分的原料制备得到:1000~4500重量份豆浆、30~100重量份葡萄糖、8~20重量份稳定剂和0.3~0.9重量份发酵菌粉;其中,所述发酵菌粉由保加利亚乳杆菌、嗜热链球菌和干酪乳酸菌组成。本发明的豆乳发酵液具有良好的稳定性,且具有较高含量的游离型大豆异黄酮。本发明的豆乳发酵饮品具有口感好、稳定性好、易吸收的特点。 【EN】The invention discloses a soybean milk fermentation liquid, a beverage and a preparation method. The soybean milk fermentation liquor is prepared from the following raw materials: 1000-4500 parts of soybean milk, 30-100 parts of glucose, 8-20 parts of a stabilizer and 0.3-0.9 part of zymophyte powder; wherein the zymocyte powder consists of lactobacillus bulgaricus, streptococcus thermophilus and lactobacillus casei. The soybean milk fermentation liquid has good stability and higher content of free soybean isoflavone. The fermented soybean milk beverage has the characteristics of good taste, good stability and easy absorption.
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