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Application of Speech Recognition Interaction and Internet of Things in Data Mining
Kan Wang 한국정보과학회 2022 Journal of Computing Science and Engineering Vol.16 No.2
The current data mining technology cannot attain the database of voice retrieval, and the data mining process has a high risk of interference. Therefore, the application of speech recognition interaction and Internet of Things (IoT) technology in data mining has been investigated. Using a speech recognition engine to recognize a user’s intention, a database retrieval model based on speech recognition interaction has been constructed. To enhance the security of data mining, the IoT data were classified by differential privacy clustering, and the false data features of IoT were detected efficiently. Finally, data mining was completed by combining data fusion and a Bayesian classifier. Experimental results demonstrated that the accuracy of the proposed method is over 90%, the time of data fusion is shorter, the time of data mining is shorter, the precision is higher, and the false alarm rate is lower than 5%.
中国劳务外包及其法律规制- 基于对两家大型造船企业的调查 -
Wang Kan,황경진 노동법이론실무학회 2013 노동법포럼 Vol.- No.11
Chinese labor relations are experiencing a two-way development. On the one hand, labor laws are strengthening the labor standards and make it difficult for employers to use labor dispatch, for the purpose of increasing labor protection. On the other hand, labor outsource becomes popular. Since outsource is not regulated on the Chinese labor laws, it allows employers to bypass the rigidity of labor standards and regain employment flexibility. Through exploring employment relations in two of the largest shipbuilding companies in China, this article discusses the shift of employment relations management towards labor outsource, which has been the key form of employment in the shipbuilding sector. Over 80% of the workers in the sampled factories are outsourced workers, who work under the same job conditions and arrangements as formal employees. State-owned enterprises (SOEs) use significant more outsourced workers. This illustrates the Chinese labor laws are unlikely to expand its coverage over labor outsource, on account of the interests of the state and its SOEs in the near future.
Wang Wu,Li Kaiwen,Guo Yuchuan,Jia Conglong,Li Zeguang,Wang Kan 한국원자력학회 2023 Nuclear Engineering and Technology Vol.55 No.12
The ability to calculate the material density sensitivity coefficients of power with respect to the material density has broad application prospects for accelerating Monte Carlo-Thermal Hydraulics iterations. The second-order material density sensitivity coefficients for the general Monte Carlo score have been derived based on the differential operator sampling method in this paper, and the calculation of the sensitivity coefficients of cell power scores with respect to the material density has been realized in continuous-energy Monte Carlo code RMC. Based on the power-density sensitivity coefficients, the sensitivity coefficients of power scores to some other physical quantities, such as power-boron concentration coefficients and power-temperature coefficients considering only the thermal expansion, were subsequently calculated. The effectiveness of the proposed method is demonstrated in the power-density coefficients problems of the pressurized water reactor (PWR) moderator and the heat pipe reactor (HPR) reflectors. The calculations were carried out using RMC and the ENDF/B-VII.1 neutron nuclear data. It is shown that the calculated sensitivity coefficients can be used to predict the power scores accurately over a wide range of boron concentration of the PWR moderator and a wide range of temperature of HPR reflectors.
Wang, Zhonghao,Hu, Xun,Wang, Lina,Jin, Bingjun,Zou, Guojun,Huang, Zhiwei,Liu, Qing,Hu, Guangzhi,Zhang, Kan,Park, Jong Hyeok Elsevier 2019 ELECTROCHIMICA ACTA Vol.299 No.-
<P><B>Abstract</B></P> <P>Herein, electrochemically sluggish polymeric carbon nitride (PCN) is successfully introduced into NiCo<SUB>2</SUB>O<SUB>4</SUB> to form hybrids of NiCo<SUB>2</SUB>O<SUB>4</SUB> and PCN, in which PCN nanosheets are regarded as a substrate to promote the nucleation and subsequent in-situ growth of NiCo<SUB>2</SUB>O<SUB>4</SUB> nanosheets. The surface of as-prepared hybrids are rich in Ni and Co ions in low and high valence state, respectively. In addition, the hybrids exhibit more hydrophilic compared with that of pristine NiCo<SUB>2</SUB>O<SUB>4</SUB> due to its higher amounts of hydroxyl group. It has been found that the nitrogen species originated from PCN nanosheets tend to bond with the metal ions and electrolyte used, resulting in tuning the electronic structural states and coupling effects with NiCo<SUB>2</SUB>O<SUB>4</SUB> nanosheets. Owing to these structural characteristics, the electrochemical performance as faradaic electrode materials and long-term stability of optimized hybrid is much superior to the bare NiCo<SUB>2</SUB>O<SUB>4</SUB> nanosheets.</P> <P><B>Highlights</B></P> <P> <UL> <LI> NiCo<SUB>2</SUB>O<SUB>4</SUB>-PCN samples were prepared via a facile and scalable strategy. </LI> <LI> The NiCo<SUB>2</SUB>O<SUB>4</SUB>-PCN-40 exhibited much higher supercapacitor performance than that of pure NiCo<SUB>2</SUB>O<SUB>4</SUB>. </LI> <LI> The PCN nanosheets can promote the nucleation and subsequent in-situ growth of NiCo<SUB>2</SUB>O<SUB>4</SUB> nanosheets in oriented way. </LI> <LI> The presence of PCN can tune the electronic structural states and coupling effects with NiCo<SUB>2</SUB>O<SUB>4</SUB> nanosheets. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>The vertically growth of NiCo<SUB>2</SUB>O<SUB>4</SUB> on PCN nanosheets substrate with 3D open frameworks synthesized here is beneficial for facilitating electrolyte ions transport and electron trapping, thus boosting the supercapacitor performance of NiCo<SUB>2</SUB>O<SUB>4</SUB>.</P> <P>[DISPLAY OMISSION]</P>
Kan Yonemori,Keiichi Fujiwara,Kosei Hasegawa,Mayu Yunokawa,Kimio Ushijima,Shiro Suzuki,Ayumi Shikama,Shinichiro Minobe,Tomoka Usami,김재원,김병기,Peng-Hui Wang,Ting-Chang Chang,Keiko Yamamoto,Shirong Han,Jo 대한부인종양학회 2024 Journal of Gynecologic Oncology Vol.35 No.2
Objective: In the global phase 3 Study 309/KEYNOTE-775 (NCT03517449) at the first interimanalysis, lenvatinib+pembrolizumab significantly improved progression-free sur vival (PFS),overall sur vival (OS), and objective response rate (ORR) versus treatment of physician’schoice chemotherapy (TPC) in patients with previously treated advanced/recurrentendometrial cancer (EC). This explorator y analysis evaluated outcomes in patients enrolledin East Asia at the time of prespecified final analysis. Methods: Women ≥18 years with histologically confirmed advanced, recurrent, or metastaticEC with progressive disease after 1 platinum-based chemotherapy (2 if 1 given in neoadjuvant/adjuvant setting) were enrolled. Patients were randomized 1:1 to lenvatinib 20 mg orallyonce daily plus pembrolizumab 200 mg intravenously ever y 3 weeks (≤35 cycles) or TPC(doxorubicin or paclitaxel). Primar y endpoints were PFS per RECIST v1.1 by blindedindependent central review and OS. No alpha was assigned for this subgroup analysis. Results: Among 155 East Asian patients (lenvatinib+pembrolizumab, n=77; TPC, n=78),median follow-up time (data cutoff: March 1, 2022) was 34.3 (range, 25.1–43.0) months. Hazard ratios (HRs) with 95% confidence inter vals (CIs) for PFS (lenvatinib+pembrolizumabvs. TPC) were 0.74 (0.49–1.10) and 0.64 (0.44–0.94) in the mismatch repair proficient(pMMR) and all-comer populations, respectively. HRs (95% CI) for OS were 0.68 (0.45–1.02)and 0.61 (0.41–0.90), respectively. ORRs were 36% with lenvatinib+pembrolizumab and 22%with TPC (pMMR) and 39% and 21%, respectively (all-comers). Treatment-related adverseevents occurred in 97% and 96% (grade 3–5, 74% and 72%), respectively. Conclusion: Lenvatinib+pembrolizumab provided clinically meaningful benefit withmanageable safety compared with TPC, supporting its use in East Asian patients withpreviously treated advanced/recurrent EC. Trial Registration: ClinicalTrials.gov Identifier: NCT03517449
Kan Chen,Hai-Jun Wu,Jian-Feng Chen,Xiao-Fang Cheng,Xiao Jing,Xin-Yu Wang 한국식물생명공학회 2012 Plant biotechnology reports Vol.6 No.2
Several different proteins expressed in embryogenic and nonembryogenic Eruca sativa calli were identified by combining one-dimensional SDS-PAGE protein mapping with matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) analysis. By querying the widely recognized MASCOT search engine, it was found that three of the proteins that were particularly strongly expressed in the embryogenic callus represented sucrose synthase, phospholipase D, and enolase, respectively. RT-PCR analysis also confirmed that the gene coding for enolase was transcribed especially strongly in the embryogenic callus but not in nonembyogenic callus. Finally, the relationship between the three proteins and somatic embryogenesis is discussed.
Theoretic Analysis on the Manufacture of Blended Yarn by One Spinneret
Wang, Ni,Zhang, Jianchun,Lai, Kan,Sun, Run-Jun The Korean Fiber Society 2007 Fibers and polymers Vol.8 No.3
The possibility of producing blended yam by using one spinneret is analyzed theoretically, especially the formation of differences in linear density and shrinkage between the monofils. Under the same spinning pressure, the die-spinning nozzles with different diameters are used to produce the differences in the flow of the melt. According to the hagen-poseuille equation for streamline flow in cylinder pipe, the volumetric flow rate and the mean melt speed of die-spinning nozzles increase with the increase of diameters. Under the conditions that the winding speeds are the same, so that the effective draw ratios decrease with the increase of the die-spinning nozzles diameters. Then, the filament formed through the die-spinning nozzle with large diameter is coarse and have a low birefringence. On the contrary, the filament formed through the die-spinning nozzle with small diameter is fine and have a high birefringence. The differences between the filament in structure and property could be acquired by one spinneret.
The Design of Remote Monitoring and Warning System for Dangerous Chemicals Based on CPS
Kan, Zhe,Wang, Xiaolei Korea Information Processing Society 2019 Journal of information processing systems Vol.15 No.3
The remote monitoring and warning system for dangerous chemicals is designed with the concept of the Cyber-Physical System (CPS) in this paper. The real-time perception, dynamic control, and information service of major hazards chemicals are realized in this CPS system. The CPS system architecture, the physical layer and the applacation layer, are designed in this paper. The terminal node is mainly composed of the field collectors which complete the data acquisition of sensors and video in the physical layers, and the use of application layer makes CPS system safer and more reliable to monitor the hazardous chemicals. The cloud application layer completes the risk identification and the prediction of the major hazard sources. The early intelligent warning of the major dangerous chemicals is realized and the security risk images are given in the cloud application layer. With the CPS technology, the remote network of hazardous chemicals has been completed, and a major hazard monitoring and accident warning online system is formed. Through the experiment of the terminal node, it can be proved that the terminal node can complete the mass data collection and classify. With this experiment it can be obtained the CPS system is safe and effective. In order to verify feasible, the multi-risk warning based on CPS is simulated, and results show that the system solves the problem of hazardous chemicals enterprises safety management.