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Analisis Sentimen Pada Sosial Media Twitter Terhadap Kualitas Jaringan Internet Telkomsel Menggunakan Ensemble K-Nearest Neighbour -Support Vector Machine
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
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"
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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Establishment and validation a relapse prediction model for bipolar disorder
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The two-component system ArlRS is essential for wall teichoic acid glycoswitching in Staphylococcus aureus
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