Vol. 58 No. 3 (2020)

Natural Products

• Quantitative analysis of Caffeine in the leaves and flowers of Camellia chrysantha by high-performance liquid chromatography with DAD detection

  Pham Cao Bach, Nguyen Phi Hung, Cam Thi Inh, Pham Minh Quan, Tran Quoc Toan, Pham Thi Hong Minh, Pham Quoc Long, Nguyen Thi Hong Van

  267-273

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  Abstract View : 556 / PDF Downloaded : 337

  DOI: https://doi.org/10.15625/2525-2518/58/3/14366

Materials

• Modification of graphene oxide by curcumin and application in polyurethane coating

  Thuy Duong Nguyen, Boi An Tran, Thanh Thao Phan, Ke Oanh Vu, Anh Son Nguyen, Tuan Anh Nguyen, To Thi Xuan Hang

  274-281

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  Abstract View : 421 / PDF Downloaded : 175

  DOI: https://doi.org/10.15625/2525-2518/58/3/14645

• Ammonia gas sensing properties at low temperatures of nanocomposites of graphene oxide and tungsten oxide nanobricks

  Nguyen Cong Tu, Nguyen Anh Kiet, Phung Nhat Minh, Ngo Xuan Dinh, Le Anh Tuan, Luu Thi Lan Anh, Do Duc Tho, Nguyen Huu Lam

  282-295

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  Abstract View : 487 / PDF Downloaded : 198

  DOI: https://doi.org/10.15625/2525-2518/58/3/14704

• Effect of cerium salt-activated ceria on the UV degradation resistance of waterborne epoxy coatings

  Thuy Duong Nguyen, Thu Thuy Thai, Anh Son Nguyen

  296-305

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  Abstract View : 256 / PDF Downloaded : 164

  DOI: https://doi.org/10.15625/2525-2518/58/3/14734

Environment

• Evaporation measurement from free water surface

  Huyen Dao Thi Thanh, Frantisek Dolezal, Yasushi Mori

  306-318

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  Abstract View : 376 / PDF Downloaded : 185

  DOI: https://doi.org/10.15625/2525-2518/58/3/14223

• PM2.5-bound PAHs in the indoor and outdoor air of nursery schools in Ha Noi, Viet Nam and health implication

  Vo Thi Le Ha, Nguyen Thi Thu Hien, Nghiem Trung Dung, Nguyen Lan Anh, Thai Ha Vinh, Minoru Yoneda

  319-327

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  Abstract View : 406 / PDF Downloaded : 201

  DOI: https://doi.org/10.15625/2525-2518/58/3/14224

Electronics - Telecommunication

• Comparison of two methods for demodulation of pulse signals – application in case of central sleep apnea

  Le Page Ronan, Nguyen Quang Vinh, Goujon Jean-Marc, Poffo Luiz, Thual Monique

  328-343

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  Abstract View : 249 / PDF Downloaded : 477

  DOI: https://doi.org/10.15625/2525-2518/58/3/14640

• Proposing model of handling language for smart home system controlled by voice

  Phat Nguyen Huu, Khanh Tong Van

  344-354

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  Abstract View : 795 / PDF Downloaded : 233

  DOI: https://doi.org/10.15625/2525-2518/58/3/14744

Mechanical Engineering - Mechatronics

• Creating fatigue curve for steel machine elements using fatigue test method with gradually increasing stress amplitude

  Nguyen Dinh Dung, Vu Le Huy, Hoang Van Bao

  355-364

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  Abstract View : 276 / PDF Downloaded : 131

  DOI: https://doi.org/10.15625/2525-2518/58/3/14394

• Stress contours in the connecting-rod under the dynamic load and the oil film’s pressure of the connecting-rod big end

  Tran Thi Thanh Hai

  365-378

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  Abstract View : 252 / PDF Downloaded : 129

  DOI: https://doi.org/10.15625/2525-2518/58/3/14423

• Free vibration analysis of porous nanoplates using NURBS formulations

  Phung Van Phuc, Chau Nguyen Khanh, Chau Nguyen Khai, Nguyen Xuan Hung

  379-389

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  Abstract View : 327 / PDF Downloaded : 165

  DOI: https://doi.org/10.15625/2525-2518/58/3/14500

• Contents Vol. 58, No. 3, 2020

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  Abstract View : 220 / PDF Downloaded : 83

  DOI: https://doi.org/10.15625/2525-2518/58/3/15133

• Cover, Vol. 58. No. 3, 2020

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  Abstract View : 206 / PDF Downloaded : 86

  DOI: https://doi.org/10.15625/2525-2518/58/3/15134