No. 56 (2021): Natural Sciences and Technology

Bài viết

• MODELLING FAILURE RATE OF THE MEDIUM VOLTAGE OVERHEAD LINES IN DISTRIBUTION GRID

  Le Viet Anh

  5

• APPLYING MODULATION PHASE SHIFT PWM FOR MODULAR MULTILEVEL CONVERTER (MMC)

  Tran Hung Cuong, Nguyen Thi Tham, Pham Thi Ha

  14

• USING DOMESTIC MICROWAVE IN SYNTHESISING HYDRAZONE CONTAINING BENZO[D]THIAZOLE FROM NITROVANILLIN

  Le Thi Thuy Dung, Nguyen Thi Ngoc Mai, Vu Hong Nam

  23

• EFFECTS OF ECOLOGICAL FACTORS ON THE DISTRIBUTION OF PLASTIC WASTE IN THE MANGROVES OF DA LOC COMMUNE, HAU LOC DISTRICT, THANH HOA PROVINCE

  Do Thi Hai, Le Thi Thuan, Ha Thi Phuong

  32

• RESEARCHING AND BUILDING AN AUTOMATIC NAVIGATION SYSTEM FOR SOLAR BATTERY PANELS

  Le Phuong Hao

  42

• SOME BASIC PROPERTIES FOR GENERATING FUNCTIONS OF NON-NEGATIVE, INTEGER RANDOM VECTORS

  Nguyen Manh Hung

  49

• INVESTIGATING THE EFFECTS OF RECERENCE (II) 2-ETHYLHEXANOATE ON THE PROPERTIES OF SYNTHETIC PMMA BY ARGET-ATRP METHODS

  Khuc Duong Huy, Ngo Xuan Luong, Tran Thi Ha, Dam Xuan Thang, Nguyen Thi Dieu Linh, Do Quang Tham

  54

• ASSESSING AND CLASSIFYING WATER QUALITY OF DONG CHIEC LAKE, THANH HOA CITY IN 2020

  Nguyen Van Lien

  61

• A SOFTWARE SYSTEM FOR TRAFFIC LIGHT CONTROL AND MANAGEMENT

  Le Viet Nam, Pham The Anh, Mai Duy Linh

  66

• ISOLATING AND DETERMINING THE STRUCTURE OF SOME COMPOUNDS FROM C. ODORATA IN THANH HOA

  Le Thi Nhu Quynh, Ngo Xuan Luong, Nguyen Thi Ngoc Vinh, Pham Minh Quan

  77

• ELECTRICAL AND MAGNETIC PROPERTIES OF MULTIFERROIC xLa1.5Sr0.5NiO4/(1-X)BaTiO3 NANOCOMPOSITES

  Tran Dang Thanh, Dao Son Lam, Dinh Chi Linh, Bui Xuan Khuyen, Phạm Thị Thanh , Do Hung Manh, Dang Duc Dung, Le Thi Giang, Le Viet Bau

  85

• EXPERIMENTAL INVESTIGATION ON THE UNFIRED BUILDING BRICKS PRODUCED FROM BOTTOM ASH AND FLY ASH OF NGHI SON COAL POWER PLANT

  Luu Dinh Thi, Le Thi Thanh Tam

  95

• DIVERSITY OF EUPHORBIACEAE IN PU HUONG NATURE RESERVE, NGHE AN PROVINCE

  Dau Ba Thin, Do Ngoc Dai

  103

• MORPHOLOGICAL CHARACTERISTICS OF SPECIES IN THE GENUS NEMIPTERUS SWAINSON, 1839 (PISCES: PERCIFORMES: NEMIPTERIDAE) IN THE COASTAL SEA OF NGHI SON TOWN, THANH HOA PROVINCE

  Trịnh Thị Thu, Nguyen Thi Ly, Lê Thị Hà, Hoang Ngoc Thao

  111

• ASSESSMENT OF CURRENT SITUATION OF WATER ENVIRONMENT FOR ECO-SHRIMP LIVING IN CA MAU

  Le Bao Viet, Phan Ngoc Cham

  119