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Two New Species of Placolecis (Lichenized Ascomycota) from China
( An Cheng Yin ),( Xin Yu Wang ),( Dong Liu ),( Yan Yun Zhang ),( Mei Xia Yang ),( Li Juan Li ),( Li Song Wang ) 한국균학회 2019 Mycobiology Vol.47 No.4
Two new species of the lichen genus Placolecis are discovered in China, namely P. kunmingensis An. C. Yin & Li S. Wang and P. sublaevis An. C. Yin & Li S. Wang. The new combination P. loekoesiana (S.Y. Kondr., Farkas, J.J. Woo & Hur) An. C. Yin is proposed. Placolecis kunmingensis is characterized by having simple, spherical or ellipsoid, hyaline spores, and pear-shaped pycnidia; while P. sublaevis can be distinguished by its thallus forming larger aggregations with slightly flattened lobes at the thallus margin, and urn-shaped pycnidia. Descriptions, a phylogenetic tree and a key are provided for all the known Placolecis species in China.
Slangs and Short forms of Malay Twitter Sentiment Analysis using Supervised Machine Learning
Yin, Cheng Jet,Ayop, Zakiah,Anawar, Syarulnaziah,Othman, Nur Fadzilah,Zainudin, Norulzahrah Mohd International Journal of Computer ScienceNetwork S 2021 International journal of computer science and netw Vol.21 No.11
The current society relies upon social media on an everyday basis, which contributes to finding which of the following supervised machine learning algorithms used in sentiment analysis have higher accuracy in detecting Malay internet slang and short forms which can be offensive to a person. This paper is to determine which of the algorithms chosen in supervised machine learning with higher accuracy in detecting internet slang and short forms. To analyze the results of the supervised machine learning classifiers, we have chosen two types of datasets, one is political topic-based, and another same set but is mixed with 50 tweets per targeted keyword. The datasets are then manually labelled positive and negative, before separating the 275 tweets into training and testing sets. Naïve Bayes and Random Forest classifiers are then analyzed and evaluated from their performances. Our experiment results show that Random Forest is a better classifier compared to Naïve Bayes.
Pepsin and Laryngeal and Hypopharyngeal Carcinomas
Cheng-Yi Yin,Sha-Sha Zhang,Jiang-Tao Zhong,Shui-Hong Zhou 대한이비인후과학회 2021 Clinical and Experimental Otorhinolaryngology Vol.14 No.2
Laryngeal and hypopharyngeal carcinomas are common malignant tumors of the head and neck, and the incidence of both is increasing. Laryngopharyngeal reflux refers to the retrograde flow of gastric contents into the larynx, oropharynx, and/or nasopharynx. It remains controversial whether laryngopharyngeal reflux is a risk factor for laryngeal and hypopharyngeal cancers. The refluxing substances mainly include hydrochloric acid, pepsin, and occasionally bile acids and bile salts, as well as bacteria that colonize the gastrointestinal tract. Loss of epithelium in the mucous membrane of the larynx and hypopharynx is thought to be caused by pepsin. Here, we review the relationships between laryngopharyngeal reflux and both laryngeal and hypopharyngeal carcinomas, as well as the significance of pepsin, methods of clinical detection, and the mechanism of carcinogenesis.
THE IMPACT OF ENDORSER ETHNICITY AND PORTRAYAL ON CHINESE WOMEN’S ATTITUDE TOWARD LUXURY ADVERTISING
Cheng-Yue Yin,Patrick Poon 글로벌지식마케팅경영학회 2016 Global Marketing Conference Vol.2016 No.7
This study aims to examine the impact of endorser ethnicity and portrayal on consumers’ attitude toward luxury ad and brand. In addition, the moderating role of individual’s appearance self-esteem is examined. In the ads of luxury brands in China, it is common to have two types of endorser ethnicity (i.e., international vs. local) and two types of endorser portrayal (i.e., sexy vs. smart). Endorser ethnicity in an ad may influence consumers’ self-referencing behavior which refers to an individual’s tendency to encode communication information differently depending on the level on which the self is implicated in the information (Rogers et al., 1997). Asian consumers’ self-reference level is found to be higher when they are exposed to ads featuring an Asian model than a Western model (Martin et al., 2004). In other words, if an international luxury brand adopts a localization advertising strategy in China by using a Chinese endorser, the local consumers are more likely to generate a higher level of self-reference.
Improved Cascade Control System for a Class of Unstable Processes with Time Delay
Cheng-qiang Yin,Hong-tao Wang,Qun Sun,Ling Zhao 제어·로봇·시스템학회 2019 International Journal of Control, Automation, and Vol.17 No.1
An improved cascade control scheme is proposed based on modified Smith predictor for controllinga class of unstable processes with time delay. The proposed control structure consist three controllers of whichthe secondary loop has one controller and the primary loop has two controllers. The secondary loop controller isdesigned according to Internal Model Control (IMC) principles. The primary loop set point tracking controller anddisturbance rejection controller are designed using the same procedure based on modified Smith predictor controlstructure. An analytical method on the basis of the Internal Model Control design principle is adopted for the twocontrollers which reduces complexity in design. The two controllers in primary loop are designed as proportional,integral and derivative (PID) controller cascaded with a lead-lag filter. Moreover, suitable values are recommendedfor the three controllers based on extensive simulations. Simulations studies are carried out to demonstrate theeffectiveness of the proposed method.
Determining the Utility of the Guillain-Barré Syndrome Classification Criteria
Cheng-Yin Tan,Siti Nur Omaira Razali,Khean Jin Goh,Nortina Shahrizaila 대한신경과학회 2021 Journal of Clinical Neurology Vol.17 No.2
Background and Purpose Several variants of Guillain-Barré syndrome (GBS) and Miller Fisher syndrome (MFS) exist, but their frequencies vary in different populations and do not always meet the inclusion criteria of the existing diagnostic criteria. However, the GBS classification criteria by Wakerley and colleagues recognize and define the clinical characteristics of each variant. We applied these criteria to a GBS and MFS cohort with the aim of determining their utility. Methods Consecutive GBS and MFS patients presenting to our center between 2010 and 2020 were analyzed. The clinical characteristics, electrophysiological data, and antiganglioside antibody profiles of the patients were utilized in determining the clinical classification. Results This study classified 132 patients with GBS and its related disorders according to the new classification criteria as follows: 64 (48.5%) as classic GBS, 2 (1.5%) as pharyngeal-cervical- brachial (PCB) variant, 7 (5.3%) as paraparetic GBS, 29 (22%) as classic MFS, 3 (2.3%) as acute ophthalmoparesis, 2 (1.5%) as acute ataxic neuropathy, 2 (1.5%) as Bickerstaff brainstem encephalitis (BBE), 17 (12.9%) as GBS/MFS overlap, 4 (3%) as GBS/BBE overlap, 1 (0.8%) as MFS/PCB overlap, and 1 (0.8%) as polyneuritis cranialis. The electrodiagnosis was demyelinating in 55% of classic GBS patients but unclassified in 79% of classic MFS patients. Anti-GM1, anti-GD1a, anti-GalNAc-GD1a, and anti-GD1b IgG ganglioside antibodies were more commonly detected in the axonal GBS subtype, whereas the anti-GQ1b and anti-GT1a IgG ganglioside antibodies were more common in classic MFS and its subtypes. Conclusions Most of the patients in the present cohort met the criteria of either classic GBS or MFS, but variants were seen in one-third of patients. These findings support the need to recognize variants of both syndromes in order to achieve a more-complete case ascertainment in GBS.