[YI, Zhongli 易中立, KONG, Chen 孔晨, WANG, Shanshan 王姗姗, MOU, Xuedong 牟学东, CHEN, Huabao 陈华宝, QIN, Shengbo 覃圣博, LIU, Shengli 刘胜利, WANG, Fuzhai 王福斋, FANG, Yanjun 房延军, WANG, Chen 王辰, MIAO, Rui 苗瑞] Building 2, No. 6, Shuguang Xili A, Chaoyang District 中国北京市朝阳区曙光西里甲6号2号楼, Beijing 100028Beijing 100028 The present application provides a very high frequency communication base station coverage effect test method, comprising: a server sends preset test parameter information to a mobile station and sends a first test starting instruction to the mobile station and at least one base station; and receive first audio data and first position information sent by the at least one base station and second audio data and second position information sent by the mobile station. The mobile station is used for sending or receiving the audio data at different distances for the temporarily built very high frequency communication base station, so that a coverage distance of the temporarily built very high frequency communication base station and a transmission effect of the audio data at different communication distances can be accurately determined. That is, the coverage distance and the call effect of the temporarily built very high frequency communication base station are tested, so that the communication coverage distance and the call effect after the very high frequency communication base station is built are accurately determined in the engineering consultation and design stage, and reference is provided for the layout of the very high frequency communication base station.

[WANG, Chen 王辰, GAO, Hao 高昊, YIN, Zhinan 尹芝南, WANG, Lei 王蕾, WANG, Chuanxi 王传喜, TANG, Xin 唐欣, LIU, Jie 刘杰, YAO, Xinsheng 姚新生, YANG, Hengwen 杨恒文, WANG, Wang 王望, HU, Dan 胡丹, LI, Zhenhua 李振华, KUANG, Runqiao 邝润桥, REN, Feifei 任菲菲, HAN, Xue 韩雪] No.601, West Huangpu Avenue 中国广东省广州市天河区黄埔大道西601号, Guangdong 510632Guangzhou, Guangdong 510632;No.9, Dongdan Santiao, Dongcheng District 中国北京市东城区东单三条9号, Beijing 100730Beijing 100730 The present invention relates to use of a sesquiterpene polyketone compound and a salt thereof for preventing and treating pulmonary arterial hypertension. A biological activity experiment shows that the compound can reverse pulmonary vasculature reconstruction and is used for treating pulmonary arterial hypertension. The present invention relates to use of a sesquiterpene polyketone compound and a salt thereof for preventing and treating pulmonary arterial hypertension. A biological activity experiment shows that the compound can reverse pulmonary vasculature reconstruction and is used for treating pulmonary arterial hypertension.

[WANG, Guangdong 王光东, WANG, Yiming 王一鸣, WANG, Zhenyu 王振宇, WANG, Chen 王辰] No. 10 Jiuxianqiao Rd., Chaoyang District 中国北京市朝阳区酒仙桥路10号, Beijing 100015Beijing 100015;No. 1188 Hezuo Rd., (West Zone), Hi-tech 中国四川省成都市高新区（西区）合作路1188号, Sichuan 611731Development ZoneChengdu, Sichuan 611731 A display panel and a preparation method therefor, and a display apparatus. The display panel comprises: a photosensitive sensor (101); a light-shielding layer (102) arranged at a sensing side of the photosensitive sensor (101), wherein the light-shielding layer (102) comprises at least one first opening (1021) and at least one second opening (1022), and the first opening (1021) overlaps the photosensitive sensor (101) in the direction perpendicular to a surface of a display panel and enables light passing through the first opening (1021) to irradiate the photosensitive sensor (101); and a light-processing film (1023) arranged in an area of the light-shielding layer (102) close to the second opening (1022) and away from at least part of a surface of the photosensitive sensor (101), wherein the light reflectivity of the light-processing film (1023) is less than the light reflectivity of the light-shielding layer (102). The light-processing film (1023) of the display panel can prevent incident light from irradiating the photosensitive sensor (101) through the second opening (1022), thereby avoiding adverse effects of unnecessary incident light on the sensing accuracy of the photosensitive sensor (101). A display panel and a preparation method therefor, and a display apparatus. The display panel comprises: a photosensitive sensor (101); a light-shielding layer (102) arranged at a sensing side of the photosensitive sensor (101), wherein the light-shielding layer (102) comprises at least one first opening (1021) and at least one second opening (1022), and the first opening (1021) overlaps the photosensitive sensor (101) in the direction perpendicular to a surface of a display panel and enables light passing through the first opening (1021) to irradiate the photosensitive sensor (101); and a light-processing film (1023) arranged in an area of the light-shielding layer (102) close to the second opening (1022) and away from at least part of a surface of the photosensitive sensor (101), wherein the light reflectivity of the light-processing film (1023) is less than the light reflectivity of the light-shielding layer (102). The light-processing film (1023) of the display panel can prevent incident light from irradiating the photosensitive sensor (101) through the second opening (1022), thereby avoiding adverse effects of unnecessary incident light on the

[LI, Hongtao 李洪涛, LI, Zijin 李子衿, WANG, Chen 王辰, WANG, Bo 王博, JI, Hongquan 及洪泉, TAO, Shiyang 陶诗洋, HAO, Liang 郝良, WANG, Cunping 王存平] No. 41, Qianmen West Street 中国北京市西城区前门西大街41号, Beijing 100051Xicheng District, Beijing 100051 An adjustable voltage source, a power distribution system, and a power adjustment method for a power distribution system. The power adjustment method for a power distribution system comprises: determining a target active power transmitted between a first line and a second line in a power distribution system, a three-phase voltage on a power source side of the first line, and a three-phase voltage on a power source side of the second line (S102); determining a target adjustment voltage of an adjustable voltage source according to the target active power, the three-phase voltage, a line impedance and a line load on the power source side of the first line, the three-phase voltage, a line impedance and a line load on the power source side of the second line, and a target relational expression (S104); and according to the target adjustment voltage, determining a target amplitude modulation transformation ratio of an amplitude modulation winding and a target phase modulation transformation ratio of a phase modulation winding in the adjustable voltage source, and according to the target amplitude modulation transformation ratio and the target phase modulation transformation ratio, adjusting a transformation ratio of each winding in a secondary winding in the adjustable voltage source, such that the voltage of the adjustable voltage source reaches the target adjustment voltage, and the active power transmitted in the power distribution system reaches the target active power (S106). An adjustable voltage source, a power distribution system, and a power adjustment method for a power distribution system. The power adjustment method for a power distribution system comprises: determining a target active power transmitted between a first line and a second line in a power distribution system, a three-phase voltage on a power source side of the first line, and a three-phase voltage on a power source side of the second line (S102); determining a target adjustment voltage of an adjustable voltage source according to the target active power, the three-phase voltage, a line impedance and a line load on the power source side of the first line, the three-phase voltage, a line impedance and a line load on the power source side of the second line, and a target relational expression (S104); and according to the target adjustment voltage, determining a target amplitude modulation transformation ratio of an amplitude modulation winding and a target phase modulation transformation ratio of a phase modulation winding in the adjustable voltage source, and according to the target amplitude modulation transformation ratio and the target phase modulation transformation ratio, adjusting a transformation ratio of each winding in a secondary winding in the adjustable voltage source, such that the voltage of the adjustable voltage source reaches the target adjustment voltage, and the active power transmitted in the power distribution system reaches the target active power (S106).

[WANG, Chen 王辰, YANG, Hongchao 杨宏超, JIA, Zhaowei 贾照伟, WANG, Jian 王坚, WANG, Hui 王晖] Building 4, No. 1690 Cai Lun Road, China (shanghai) Pilot Free Trade Zone, Pudong New Area 中国上海市浦东新区中国（上海）自由贸易试验区蔡伦路1690号第4幢, Shanghai 201203Shanghai 201203 The present invention relates to the technical field of semiconductor devices. Provided is a semiconductor processing device. The semiconductor processing device comprises: a visual unit, which is arranged on a shell of the semiconductor processing device and is used for observing the internal conditions of the semiconductor processing device; a clearing unit, which is arranged in the semiconductor processing device and is used for clearing away a target object of the visual unit that is located on the inner side of the device; and a driving unit, which is connected to the clearing unit and is used for driving the clearing unit, so as to clear away the target object of the visual unit that is located on the inner side of the device. In the semiconductor processing device of the present invention, a clearing unit is provided for a visual unit in a matching manner, so as to collaborate with the visual unit in monitoring a semiconductor processing process, thereby facilitating precise control over the technological processing process and ensuring that a processing result of a semiconductor reaches the yield.

[WANG, Chen 王辰, JIN, Yinuo 金一诺, WANG, Jian 王坚, WANG, Hui 王晖, YANG, Hongchao 杨宏超] Building 4, No. 1690 Cai Lun Road 中国上海市浦东新区中国（上海）自由贸易试验区蔡伦路1690号第4幢, Shanghai 201203China (shanghai) Pilot Free Trade ZonePudong New AreaShanghai 201203 Provided in the present invention is an electroplating device. A solid anode, a meshed anode or a perforated anode is arranged in an anode area to serve as an inert anode, and a constant distance is maintained between the inert anode and a substrate, so as to form a stable electric field on the surface of the substrate, thereby improving the electroplating uniformity; an active anode is arranged below the inert anode in the anode area for continuously supplementing metal ions during an electroplating process, such that the metal ions are more sufficiently transmitted to the substrate, thereby achieving the effect of improving the electroplating uniformity; and parts, such as a rectifying plate, a fluid dispersion pipe or a stirring portion, are arranged in the anode area, such that an anode liquid is uniformly dispersed, thereby further improving the electroplating uniformity.

[ZHANG, Junyang 张军阳, ZHENG, Ruonan 郑若楠, WANG, Zhaoxiang 王兆祥, WANG, Zhichao 王志超, WANG, Chen 王辰, ZHANG, Yu 张瑜, JIANG, Tianzi 蒋田仔] Zhejiang Lab, Kechuang Avenue, Zhongtai Sub-District, Yuhang District 中国浙江省杭州市余杭区中泰街道科创大道之江实验室, Zhejiang 311121Hangzhou, Zhejiang 311121 An information recommendation method and apparatus based on embedding table compression, a device, and a medium. The method comprises: on the basis of a preset compression ratio, determining a feature to be compressed and a non-compressed feature in an embedding table to be compressed of a recommendation model; generating a similarity index matrix on the basis of the similarity between the feature to be compressed and the non-compressed feature; generating an index dictionary on the basis of the similarity index matrix; replacing a first feature mapping dictionary on the basis of the index dictionary, and generating a second feature mapping dictionary; and acquiring data to be recommended, replacing a feature in said data on the basis of the second feature mapping dictionary, inputting the replaced feature into the recommendation model, and outputting a prediction result.

[WANG, Lei 王雷, HOU, Wenxiu 侯文秀, WANG, Chen 王辰, ZHAO, Hongxia 赵红霞] No.17923, Jingshi Road, Lixia District 中国山东省济南市历下区经十路17923号, Shandong 250061Jinan, Shandong 250061 An optimization control method for running interval of an ejector, comprising the following steps: approximating the relation between primary flow pressure of an ejector and critical back pressure to a directly proportional linear relation, and determining a proportionality coefficient K* at a critical point of the ejector according to an optimal primary flow pressure value; dividing a working interval of the ejector into three parts according to the proportionality coefficient K* and a proportionality coefficient Ks; determining a working state of the ejector according to the working interval where the proportionality coefficient K of the ejector is located during practical work, and allowing the ejector to work at a stable running state by means of adjusting a pressure occurrence value. An optimization control method for running interval of an ejector, comprising the following steps: approximating the relation between primary flow pressure of an ejector and critical back pressure to a directly proportional linear relation, and determining a proportionality coefficient K* at a critical point of the ejector according to an optimal primary flow pressure value; dividing a working interval of the ejector into three parts according to the proportionality coefficient K* and a proportionality coefficient Ks; determining a working state of the ejector according to the working interval where the proportionality coefficient K of the ejector is located during practical work, and allowing the ejector to work at a stable running state by means of adjusting a pressure occurrence value.

[CAI, Feiyan 蔡飞燕, LI, fei 李飞, WANG, Chen 王辰, QIU, Weibao 邱维宝, MENG, Long 孟龙, WANG, Congzhi 王丛知, XIAO, Yang 肖杨, ZHENG, Hairong 郑海荣] 1068, Xueyuan Avenue 中国广东省深圳市南山区西丽大学城学苑大道1068号, Guangdong 518055Xili University Town, Nanshan DistrictShenzhen, Guangdong 518055 A time reversal technique-based system and method for manipulating particles, the goal being the implementation of arbitrary path manipulation with respect to particles in an inhomogeneous medium. The time reversal technique-based system for manipulating particles comprises: array probes (101a-d), a signal reception and transmission control device (102), and a host machine (103), the array probes (101a-d) being communicatively connected to the signal reception and transmission control device (102), and the signal reception and transmission control device (102) being communicatively connected to the host machine (103). Applications are in the fields such as in vivo site-specific medicament administration and reproductive medicine, and high practical value is provided.

[ZHOU, Xinkai 周鑫恺, ZHAO, Zihan 赵子涵, WANG, Chen 王辰, LV, Cheng 吕诚, WANG, Dan 王丹, LIU, Xin 刘鑫] Room B-0035, 2/F, No.3 Building, No.30, Shixing Road, Shijingshan District 中国北京市石景山区实兴大街30号院3号楼2层B-0035房间, Beijing 100041Beijing 100041 An information presentation method, an apparatus, and a computer storage medium. The method comprises: obtaining a plurality of multi-subject knowledge modules for a target entity and multi-level content corresponding to each multi-subject knowledge module (S101); presenting the multi-subject knowledge modules; wherein each multi-subject knowledge module comprises first level content among the multi-level content corresponding to said multi-subject knowledge module (S102); and in response to a trigger operation on a target multi-subject knowledge module, presenting second level content among the multi-level content corresponding to the target multi-subject knowledge module; wherein the amount of target entity information carried by the second level content of the multi-subject knowledge module is greater than the amount of target entity information carried by the first level content (S103). multi-level content of multi-subject knowledge content for a target entity can be presented in a gradual fashion to a user, facilitating the user in browsing the multi-subject knowledge content for the target entity.