摘要：【中文】本发明属于医疗技术领域，公开了一种β‑羟丁酸或其药学上可接受的盐的用途，所述β‑羟丁酸或其药学上可接受的盐的用途为用于调控鼻咽癌基因的转录与表达。具体方法包括：分析确定β‑羟丁酸对鼻咽癌细胞中蛋白的活性影响；利用染色质免疫共沉淀试剂盒检测β‑羟丁酸对启动子区组蛋白水平的影响；利用染色质免疫共沉淀检测方法检测β‑羟丁酸对鼻咽癌细胞中启动子区域组蛋白水平的影响；联合染色质免疫共沉淀高通量测序和RNA转录组测序描绘β‑羟丁酸对鼻咽癌细胞表观基因组的影响。本发明分析确定了β‑羟丁酸能够用于调控鼻咽癌基因的转录与表达，为探讨鼻咽癌的发生发展提供了新的思路。 【EN】The invention belongs to the technical field of medical treatment, and discloses a β -hydroxybutyric acid or a pharmaceutically acceptable salt thereof, wherein the β -hydroxybutyric acid or the pharmaceutically acceptable salt thereof is used for regulating and controlling the transcription and expression of nasopharyngeal darcinoma genes.

摘要：【中文】本说明书提供一种基于画屏的语音交互方法，由所述画屏执行，该述方法包括：接收用户的语音输入；对所述用户的语音输入进行分帧，得到至少一个语音帧；对所述至少一个语音帧进行声学特征提取，得到至少一个特征向量；将所述至少一个特征向量输入经过训练的声学模型，确定所述至少一个特征向量对应的至少一个音素；根据所述至少一个音素，确定与所述用户的语音输入对应的文本；使用所述文本与预先存储的指令库中的指令进行文本匹配，得到所述文本对应的语音操作指令；以及执行所述语音操作指令，并返回所述语音操作指令的执行结果。本说明书还提供了基于上述方法的画屏以及计算机可读存储介质。 【EN】The specification provides a voice interaction method based on a screen, which is executed by the screen, and comprises the following steps: receiving a voice input of a user; framing the voice input of the user to obtain at least one voice frame; extracting acoustic features of the at least one voice frame to obtain at least one feature vector; inputting the at least one feature vector into a trained acoustic model, and determining at least one phoneme corresponding to the at least one feature vector; determining a text corresponding to the user's voice input according to the at least one phoneme; performing text matching by using the text and an instruction in a pre-stored instruction library to obtain a voice operation instruction corresponding to the text; and executing the voice operation instruction and returning an execution result of the voice operation instruction. The specification also provides a drawing screen and a computer readable storage medium based on the method.

摘要：【中文】根据本发明的各个方面，提供了一种用于在相变存储器(phase‑change memory，简称PCM)中写入和淘汰数据的方法和装置。在一个实施例中，将逻辑块地址(logical block address，简称LBA)淘汰候选(LBA eviction candidate，简称LEC)列表(100，400，956)存储在所述PCM介质(952)中。所述LEC列表(100，400，956)采用具有头端(110，410)和尾端(120，420)的循环队列，在所述头端(110，410)插入新的LBA。在一个实施例中，当需要从所述PCM介质(952)中淘汰数据时，将所述LEC列表(100，400，956)的所述尾端(120，420)的尾端LBA与所述LEC列表(100，400，956)上具有与所述尾端LBA序列号连续的写入序列号的所有后续LBA淘汰。 【EN】According to various aspects of the present invention, a method and apparatus for writing and discarding data in a phase-change memory (PCM) are provided. In one embodiment, a list (100, 400, 956) of Logical Block Address (LBA) elimination candidates (LECs) is stored in the PCM media (952). The LEC list (100, 400, 956) employs a circular queue having a head end (110, 410) and a tail end (120, 420) where a new LBA is inserted at the head end (110, 410). In one embodiment, when data needs to be evicted from the PCM medium (952), a tail LBA of the tail end (120, 420) of the LEC list (100, 400, 956) and all subsequent LBAs on the LEC list (100, 400, 956) having a write sequence number consecutive to the tail LBA sequence number are evicted.

摘要：【中文】本发明涉及流体控制领域，具体涉及一种阀片、阀、微型压电泵及流体输送装置。一种阀片，包括：阀片本体，所述阀片本体上开有两个安装孔；阀体，所述阀体为两个，两个所述阀体呈中心对称地悬接在两个所述安装孔中，所述阀体可相对于其所在的所述安装孔往复运动，所述阀体包括接触区和保持区，所述保持区位于所述接触区的内周，所述保持区具有至少一个凸起，凸起对应的背面呈凹陷状。阀片的质量不变，刚度增大，在开启和关闭时，不会因流体的冲击发生变形，解决了现有技术中存在的阀片在开启和关闭时易发生变形的技术问题。 【EN】The invention relates to the field of fluid control, in particular to a valve plate, a valve, a miniature piezoelectric pump and a fluid conveying device. A valve plate, comprising: the valve plate body is provided with two mounting holes; the valve body, the valve body is two, two the valve body be central symmetry ground overhang in two the mounting hole, the valve body can be for its place mounting hole reciprocating motion, the valve body includes contact zone and holding area, the holding area is located the inner periphery of contact zone, the holding area has at least one arch, and the back that the arch corresponds is sunken form. The valve plate has the advantages that the quality is unchanged, the rigidity is increased, the valve plate cannot deform due to the impact of fluid when being opened and closed, and the technical problem that the valve plate is easy to deform when being opened and closed in the prior art is solved.

摘要：【中文】本发明公开了一种三角形网格模型GPU并行切片方法，包括：步骤1：读取网格模型，在模型读入的同时构建半边数据拓扑结构；步骤2：对半边数据进行预处理；步骤3：根据切片方向的坐标值将数据分组，得到每层相交的边集合；步骤4：将步骤3得到的边集合发送给GPU，对其进行并行的轮廓装配；步骤5：GPU将数据返回到CPU，生成每层的轮廓信息。本发明通过采用哈希表去除了冗余数据，读取数据的同时构建半边数据结构，一定程度上可以去除网格模型的错误；同时在进行轮廓装配时在GPU上运行，采用哈希查找，并且层与层之间的轮廓装配是并行的，可以有效提高分层效率，减少分层时间，减少了物理内存的使用量并减轻CPU的计算负担。 【EN】The invention discloses a parallel slicing method of a triangular mesh model GPU, which comprises the following steps: step 1: reading a grid model, and constructing a half-edge data topological structure while reading in the model; step 2: preprocessing the half-edge data; and step 3: grouping the data according to the coordinate values of the slicing direction to obtain an edge set intersected with each layer; and 4, step 4: sending the edge set obtained in the step 3 to a GPU, and carrying out parallel contour assembly on the edge set; and 5: the GPU returns the data to the CPU, generating profile information for each layer. According to the invention, redundant data is removed by adopting the hash table, and a half-edge data structure is constructed while data is read, so that errors of the grid model can be removed to a certain extent; meanwhile, the method runs on a GPU during contour assembly, Hash search is adopted, and contour assembly between layers is parallel, so that the layering efficiency can be effectively improved, the layering time is reduced, the use amount of a physical memory is reduced, and the calculation burden of a CPU is lightened.

摘要：【中文】本发明公开了一种基于定向晶型调控的铜电解液沉淀分离砷的方法，根据铜电解液中的As/(Bi+Sb)和Bi/Sb摩尔比来调整铜电解液中的离子浓度、pH以及Eh进行沉淀反应，使得铜电解液中的As与Sb、Bi反应生成晶态的含砷沉淀颗粒。本发明通过调整铜电解液中的离子浓度、溶液pH以及溶液Eh(氧化还原电位)相关性质来诱导电解液中的砷与锑、铋反应生成晶态的含砷沉淀颗粒，从而使得电解液净化过程中固‑固(晶态含砷沉淀颗粒‑其他晶相阳极泥)分离易于进行。 【EN】The invention discloses a method for precipitating and separating arsenic from a copper electrolyte based on directional crystal form regulation, which adjusts the ion concentration, pH and Eh in the copper electrolyte according to the molar ratio of As/(Bi + Sb) and Bi/Sb in the copper electrolyte to carry out precipitation reaction, so that As in the copper electrolyte reacts with Sb and Bi to generate crystalline arsenic-containing precipitate particles. According to the invention, arsenic in the electrolyte is induced to react with antimony and bismuth to generate crystalline arsenic-containing precipitate particles by adjusting the ion concentration, the pH value of the solution and the relevant properties of the Eh (oxidation reduction potential) of the solution in the copper electrolyte, so that solid-solid separation (crystalline arsenic-containing precipitate particles-other crystalline phase anode mud) in the purification process of the electrolyte is easy to carry out.

摘要：【中文】本发明涉及流体输送领域，具体涉及一种微型压电泵。一种微型压电泵，包括压电振子和阀部，压电振子和阀部之间形成泵腔，在压电振子的作用下，流体通过阀部单向流通至泵腔内，所泵腔内的流体通过阀部单向流通至泵外，泵腔内设置有扰动件，扰动件上开有通孔，扰动件在压电振子的作用下振动，扰动件配合泵腔内壁挤压并排出气泡。通过在泵腔设置扰动件，扰动件在压电振子的带动下产生振动，扰动件的振动和压电振子的振动之间存在相位差，由于相位差的存在，扰动件会与压电振子相向运动，从而形成一种挤压效果，解决了现有技术中的微型压电泵存在排出气泡能力差，气泡聚集后不易排出，可靠性和稳定性降低的技术问题。 【EN】The invention relates to the field of fluid conveying, in particular to a miniature piezoelectric pump. The utility model provides a miniature piezoelectric pump, includes piezoelectricity oscillator and valve portion, forms the pump chamber between piezoelectricity oscillator and the valve portion, and under the effect of piezoelectricity oscillator, the fluid passes through valve portion one-way circulation to the pump intracavity, and the fluid in the pump intracavity passes through valve portion one-way circulation outside the pump, is provided with disturbing piece in the pump chamber, and last the opening of disturbing piece has the through-hole, and disturbing piece vibrates under the effect of piezoelectricity oscillator, and disturbing piece cooperation pump chamber inner wall extrusion is discharged the bubble. Through set up the disturbing piece at the pump chamber, the disturbing piece produces the vibration under the drive of piezoelectric vibrator, exists the phase difference between the vibration of disturbing piece and the vibration of piezoelectric vibrator, because the existence of phase difference, the disturbing piece can with piezoelectric vibrator motion in opposite directions to form an extrusion effect, solved the miniature piezoelectric pump among the prior art and had the discharge bubble ability poor, difficult discharge after the bubble gathering, the technical problem of reliability and stability reduction.

摘要：【中文】本发明提供一种外肢体负重行走辅助机器人，其包括穿戴式背负框架、对称布置在穿戴式背负框架两侧的两条动力机械腿及控制系统；每条动力机械腿均包括双自由度动力球形髋关节、主承重杆、主驱动系统、大腿承重杆、膝关节、小腿承重杆和支撑末端；控制系统与双自由度动力球形髋关节、主驱动系统及膝关节通信连接。通过控制系统控制双自由度动力球形髋关节、主驱动系统及膝关节相互配合，每条动力机械腿可以配合穿戴者的步态进行机械腿前摆、快速触地和负重支撑，实现负重行走辅助，在将负载的压力直接传递到地面的同时还能避免对人体自然步态的干扰。 【EN】The invention provides an external limb load walking auxiliary robot which comprises a wearable carrying frame, two power mechanical legs symmetrically arranged on two sides of the wearable carrying frame and a control system, wherein the two power mechanical legs are connected with the control system through a connecting rod; each power mechanical leg comprises a two-degree-of-freedom power spherical hip joint, a main bearing rod, a main driving system, a thigh bearing rod, a knee joint, a shank bearing rod and a support tail end; the control system is in communication connection with the two-degree-of-freedom dynamic spherical hip joint, the main driving system and the knee joint. The control system controls the two-degree-of-freedom power spherical hip joint, the main driving system and the knee joint to be matched with each other, each power mechanical leg can be matched with the gait of a wearer to perform mechanical leg forward swing, quick ground contact and load bearing support, load bearing walking assistance is achieved, and the interference on the natural gait of a human body can be avoided while the pressure of the load is directly transmitted to the ground.

摘要：【中文】本发明提供了一种碳纤维树脂基复合材料热降解催化剂及其应用方法，涉及碳纤维回收技术领域，回收效率高，成本低，回收后碳纤维的力学强度也得到了保持，能够为碳纤维树脂基复合材料的循环经济提供支持；该催化剂包括第一组分、第二组分和第三组分；所述第一组分为氯化钾或氯化钠，所述第二组分为氯化锌或氯化铁，所述第三组分为二氧化钛或氧化硅；第一组分、第二组分和第三组分的质量比为1:0.5:0.5～1:2:2；使用时，将碳纤维树脂基复合材料裁剪并置于熔融状态的所述催化剂中，300～500℃保温反应10min～30min，取出进行超声清洗。本发明提供的技术方案适用于碳纤维回收的过程中。 【EN】The invention provides a thermal degradation catalyst for a carbon fiber resin matrix composite material and an application method thereof, relates to the technical field of carbon fiber recovery, and has the advantages of high recovery efficiency, low cost, maintenance of the mechanical strength of the recovered carbon fiber, and capability of providing support for the circular economy of the carbon fiber resin matrix composite material; the catalyst comprises a first component, a second component and a third component; the first component is potassium chloride or sodium chloride, the second component is zinc chloride or ferric chloride, and the third component is titanium dioxide or silicon oxide; the mass ratio of the first component to the second component to the third component is 1:0.5: 0.5-1: 2: 2; when in use, the carbon fiber resin matrix composite material is cut and placed in the catalyst in a molten state, the temperature is kept at 300-500 ℃ for reaction for 10-30 min, and the carbon fiber resin matrix composite material is taken out for ultrasonic cleaning. The technical scheme provided by the invention is suitable for the carbon fiber recovery process.

摘要：【中文】一种射频(RF)匹配电路控制系统包括：包括多个可调谐部件的RF匹配电路。所述RF匹配电路被配置为从RF发生器接收输入信号，所述输入信号包括至少两种脉冲电平；根据所述输入信号向负载提供输出信号；以及使与所述输入信号相关联的阻抗与所述负载的阻抗匹配。控制器被配置为针对所述输入信号的所述至少两种脉冲电平确定所述负载的相应的阻抗；并且调节所述多个可调谐部件的操作参数，以针对所述至少两种脉冲电平使所述RF匹配电路的频率调谐范围与所述负载的所述相应的阻抗对准，从而使与所述输入信号相关联的所述阻抗与所述相应的阻抗匹配。 【EN】A Radio Frequency (RF) matching circuit control system comprising: an RF matching circuit comprising a plurality of tunable components. The RF matching circuit is configured to receive an input signal from an RF generator, the input signal including at least two pulse levels; providing an output signal to a load in accordance with the input signal; and matching an impedance associated with the input signal to an impedance of the load. The controller is configured to determine respective impedances of the load for the at least two pulse levels of the input signal; and adjusting operating parameters of the plurality of tunable components to align a frequency tuning range of the RF matching circuit with the respective impedance of the load for the at least two pulse levels to match the impedance associated with the input signal to the respective impedance.