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    Analisis Sentimen Pada Sosial Media Twitter Terhadap Kualitas Jaringan Internet Telkomsel Menggunakan Ensemble K-Nearest Neighbour -Support Vector Machine by Muchammad Farchan Fachrudin, Cucun Very Angkoso, Doni Abdul Fatah

    Published 2024-12-01
    “…Dari penggunaan data sampel tersebut, nilai akurasi pada model KNN pada K=15 memberikan hasil akurasi sebesar 83.21%, model SVM pada C=100 memberikan hasil akurasi sebesar 84.33%, model Ensemble KNN-SVM Majority Vote atau Hard Vote memberikan hasil akurasi sebesar 83.26%, dan model Ensemble KNN-SVM Average atau Soft Vote memberikan hasil akurasi sebesar 84.79%. …”
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    Development and Validation of a Risk Prediction Model for Ventricular Arrhythmia in Elderly Patients with Coronary Heart Disease by Ying Dong, Yajun Shi, Jinli Wang, Qing Dan, Ling Gao, Chenghui Zhao, Yang Mu, Miao Liu, Chengliang Yin, Rilige Wu, Yuqi Liu, Yang Li, Xueping Wang

    Published 2021-01-01
    “…Study parameters included clinical characteristics (age, gender, height, weight, BMI, and past medical history), ECG indexes (QTcd, Tp-e/QT, and HRV indexes), biomarker indexes (NT-proBNP, Myo, cTnT, CK-MB, CRP, K+, and Ca2+), and echocardiology indexes. …”
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    Lipozyme TLIM催化大豆磷脂乙醇解制备溶血磷脂 "Preparation of lysophospholipids through ethanolysis of soybean phospholipids catalyzed by Lipozyme TLIM" by 许晓欣,杨国龙,孟鹏程,杨瑞楠,刘伟 XU Xiaoxin, YANG Guolong, MENG Pengcheng, YANG Ruinan, LIU Wei

    Published 2025-01-01
    “…结果表明:在大豆磷脂乙醇解反应过程中,随着反应时间的延长,磷脂酰胆碱(PC)、磷脂酰丝氨酸(PS)、磷脂酰乙醇胺(PE)的含量不断降低,磷脂酸(PA)、磷脂酰肌醇(PI)、鞘磷脂(SM)、N-酰基磷脂酰乙醇胺(APE)、心磷脂(CL)、磷脂酰甘油(PG)含量变化较小,主要生成2-溶血磷脂酰胆碱(2-LPC);Lipozyme TLIM催化大豆磷脂乙醇解的最佳工艺条件为底物质量浓度1.0 g/mL、反应温度20 ℃、加酶量15%(以大豆磷脂质量计)、加水量2%(以大豆磷脂质量计)、反应时间24 h,在此条件下溶血磷脂含量为67.80%,且溶血磷脂主要以2-LPC为主,含量为48.45%,还含有少量的溶血磷脂酸(LPA)、溶血磷脂酰丝氨酸(LPS)、溶血磷脂酰乙醇胺(LPE)等,在乙醇解产物13C-NMR图谱中,脂肪酸乙酯有强而尖锐的信号,脂肪酸的信号极弱,证明Lipozyme TLIM催化大豆磷脂醇解过程中主要发生了乙醇解反应。…”
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