Dung Trung Ngo, Hoi Dang Nguyen, Huan Cao Nguyen,
... in the Dong Rui commune, Tien Yen district, Quang Ninh Province, Vietnam, five times for four periods from ...
Tópico(s): Conservation, Biodiversity, and Resource Management
2023 - Elsevier BV | Heliyon
Dang Van Hieu, Ninh Quang Hai, The-Hung Duong,
The Equivalent Linearization Method (ELM) with a weighted averaging is applied to analyze five undamped oscillator systems with nonlinearities. The results obtained via this method are compared with the ones achieved by Parameterized Perturbation Method (PPM), Min–Max Approach (MMA), Variational Iteration Method (VIM), Homotopy Perturbation Method (HPM), Energy Balance Method (EBM), Harmonic Balance Method (HBM), 4th-Order Runge-Kutta Method, and the exact ones. The obtained results demonstrate that this ...
Tópico(s): Nonlinear Waves and Solitons
2018 - Hindawi Publishing Corporation | Journal of Applied Mathematics
Nguyen Dong Anh, Ninh Quang Hai, Dang Van Hieu,
In this paper, the Equivalent Linearization Method (ELM) with a weighted averaging, which is proposed by Anh (Anh, 2015), is applied to analyze some vibrating systems with nonlinearities. The strongly nonlinear Duffing oscillator with third, fifth, and seventh powers of the amplitude, the other strongly nonlinear oscillators and the cubic Duffing with discontinuity are considered. The results obtained via this method are compared with the ones achieved by the Min-Max Approach (MMA), the Modified Lindstedt - ...
Tópico(s): Bladed Disk Vibration Dynamics
2017 - Brazilian Society of Mechanical Sciences and Engineering | Latin American Journal of Solids and Structures
Dang Hoang Giang, Phung Thanh Xuan, Ninh Quang Hai,
Tópico(s): Corruption and Economic Development
2016 - Springer Science+Business Media | Crime Law and Social Change
Bùi Kim, Tine Gammeltoft, Nguyen Thi Thu Nam, Vibeke Rasch,
... avortement provoqué chez les femmes VIH-positives à Quang Ninh et Hai Phong au Vietnam Objectifs: Explorer la ... Vietnam. Aborto inducido entre mujeres VIH positivas en Quang Ninh y Hai Phong, Vietnam Objetivos: Explorar la decisión ... and inefficient use of contraceptives (Teerawichitchainan & Amin 2009). Quang Ninh and Hai Phong, where this study was conducted, ... HIV epidemic. In 2005, HIV-positive women in Quang Ninh and Hai Phong accounted for, respectively, 7.0% ... women were reported to be 1.0% in Quang Ninh and 0.3% in Hai Phong (VMOH 2006). ...
Tópico(s): Adolescent Sexual and Reproductive Health
2010 - Wiley | Tropical Medicine & International Health
Tống Duy Thanh, Tạ Hoàng Phương, Philippe Janvier, Nguyễn Hữu Hùng, Nguyễn Thị Thu Cúc, Nguyễn Thùy Dương,
... are present in several zones and regions, including Quang Ninh, East Bac Bo, and West Bac Bo Zones ... Co To and Tan Mai Formations in the Quang Ninh Zone, the upper parts of the Phu Ngu ... Bo Zone, the Kien An Formation in the Quang Ninh Zone, and, in the Viet-Lao Region, the ... Bo Zone, the Van Canh Formation in the Quang Ninh Zone, and the A Choc Formation in the ... in the Givetian Do Son Formation of the Quang Ninh Zone, and the Tan Lap Formation in the ... of the East Bac Bo and of the Quang Ninh zones of the Bac Bo Region, and in ...
Tópico(s): Geological formations and processes
2011 - Elsevier BV | Journal of Geodynamics
... 10 underground mines and 25 open pits in Quang Ninh coal basin. The coal mining area in Quang Ninh has a very special characteristic that its coal ... management of mine water in coal mines in Quang Ninh coal basin is quite difficult due to tropical ... of miners and the local community in the Quang Ninh coal field.
Tópico(s): Mine drainage and remediation techniques
2012 - Taylor & Francis | Geosystem Engineering
David Tran, C. van Thuan, Tuan Diep Tran, P. H. Dung, Lars Åke Persson, Magnus Grabe,
... Survey on Immunization, Diarrhoeal Disease and Mortality in Quang Ninh Province, Vietnam Get access D. van Tran, MD, D. van Tran, MD *Provincial Health Bureau, Quang Ninh ProvinceHanoi, Vietnam Search for other works by this ... MD, C. van Thuan, MD *Provincial Health Bureau, Quang Ninh ProvinceHanoi, Vietnam Search for other works by this ...
Tópico(s): Immune responses and vaccinations
1991 - Oxford University Press | Journal of Tropical Pediatrics
... feeding and Young Child Nutrition in Uong Bi, Quang Ninh Province, Vietnam Get access Nguyen Thu Nga, Nguyen Thu Nga Pediatric Department, Uong Bi HospitalUong Bi, Quang Ninh, Vietnam Search for other works by this author ... Polly Weissner Pediatric Department, Uong Bi HospitalUong Bi, Quang Ninh, Vietnam Search for other works by this author ...
Tópico(s): Infant Nutrition and Health
1986 - Oxford University Press | Journal of Tropical Pediatrics
Van Son Bang, Yi Wang, Trong Vu, Wei Zhou, Xin Liu, Zhongchen Ao, Duc Hung Nguyen, Hien Pham, Hoai Viet Nguyen,
... coal mine dumps in Cam Pha, in the Quang Ninh region of Vietnam, as the research object, we ...
Tópico(s): Dam Engineering and Safety
2024 - Multidisciplinary Digital Publishing Institute | Applied Sciences
Nguyen Hai Hoa, Thị Thu Hien Nguyen,
... and vegetation indices) have not been evaluated in Quang Ninh Province, Vietnam. In this study, we evaluated the ... mapping of mangrove AGB in Mong Cai Coast, Quang Ninh Province as a case study. We used 2019 ... under C-PFES schemes should be applied over Quang Ninh Coast based on AGB estimation models developed.
Tópico(s): Land Use and Ecosystem Services
2021 - Elsevier BV | Regional Studies in Marine Science
Nguyen Hai Hoa, Cuong Trong Nguyen, Vo Dai Nguyen,
... of coastal ecosystem services and associated economic benefits. Quang Ninh is the third largest mangrove area in Vietnam, ... 832), respectively. The dynamics of mangrove forests in Quang Ninh were influenced by mangrove deforestation and afforestation. The ... model and blue carbon approach are suggested in Quang Ninh and Vietnam.
Tópico(s): Conservation, Biodiversity, and Resource Management
2022 - Elsevier BV | Regional Studies in Marine Science
Nguyen Tran Tuan, Gábor Hegedűs, Tien Long Nguyen,
Researchers and development practitioners have an interest in the relationship between land and rural livelihoods. In this context, agricultural land is being increasingly lost because of developing industrialization in the provinces of Vietnam. The livelihoods of people, whose land is appropriated, are affected. Therefore, this article investigates the impact of land acquisition and compensation on the labor and income of people when the State acquires their land to construct Industrial park projects. ...
Tópico(s): Land Rights and Reforms
2019 - Multidisciplinary Digital Publishing Institute | Land
Zhiyuan Yao, Dinh Sac Pham, Shuqiang Li,
... female; Ninh Binh), B. halongensis sp. nov. (male; Quang Ninh), B. phungae sp. nov. (male, female; Bac Kan), B. pisinna sp. nov. (male; Quang Ninh), B. triangula sp. nov. (male; Phu Tho), B. ... Quang Binh), P. hochiminhi sp. nov. (male, female; Quang Ninh), P. phami sp. nov. (male, female; Bac Kan), ...
Tópico(s): Scarabaeidae Beetle Taxonomy and Biogeography
2015 - Q15088586 | Zootaxa
Kayoko Kato, Shigeru Kusagawa, Kazushi Motomura, Rongge Yang, Teiichiro Shiino, Kyoko Nohtomi, Hironori Sato, Kayo Shibamura, Nguyễn Trần Hiển, Pham Kim, Phạm Hồng Thắng, Duong Cong Thanh, Cường Quốc Nguyễn, Bui Duc Thang, Hoang Thuy Long, Yoshiyuki Nagai, Yutaka Takebe,
... 2 northern provinces of Vietnam (Lang Son and quang Ninh) adjacent to the China border, where HIV outbreaks ... majority of CRF01_AE sequences among IDUs in Quang Ninh and Lang Son showed significant clustering with those ... The genetic diversity of CRF01_AE distributed in Quang Ninh (1.5 ± 0.6%) and Pingxiang City (1. ...
Tópico(s): Hepatitis B Virus Studies
2001 - Mary Ann Liebert, Inc. | AIDS Research and Human Retroviruses
Nguyen Thi Trang, Ludwig Triest,
... a threatened species known only from two locations: Quang Ninh (Vietnam) and Guangxi (China). As an endemic species, ... throughout the Ba Mun and Cai Lim islands, Quang Ninh Province, Vietnam. A total of 65 alleles were ...
Tópico(s): Ecology and Vegetation Dynamics Studies
2016 - Research Foundation of Ribeirão Preto | Genetics and Molecular Research
Pham Hong Tinh, Nguyễn Thị Hồng Hạnh, Vo Van Thanh, Mai Sy Tuan, Pham Van Quang, Sahadev Sharma, Richard A. MacKenzie,
... and intact mangrove forests in the provinces of Quang Ninh, Thai Binh, Nam Dinh and Thanh Hoa in ... upland interface (six cores along each transect) at Quang Ninh (four transects), Thai Binh (five), Nam Dinh (four) ... ha) (p > 0.05). Soil C stocks of Quang Ninh (323.89 ± 28.43 Mg/ha) were not ...
Tópico(s): Plant and Fungal Species Descriptions
2020 - Multidisciplinary Digital Publishing Institute | Forests
Nguyen Thi Mai HUONG, Pham Mai PHUONG,
... tax compliance of small and medium enterprises in Quang Ninh province.To evaluate the coefficient of variables in ... from 127 small and medium enterprises (SMEs) in Quang Ninh.The results indicated that the four main factors ... compliance behavior of small and medium enterprises in Quang Ninh out of a total of 9 factors initially ... behavior of small and medium-sized enterprises in Quang Ninh province.Based on our results, authorities could have ... an important role in increasing state budget in Quang Ninh.However, there are limitation in tax collection that ...
Tópico(s): Economic Development and Regional Competitiveness
2021 - Atlantis Press | Advances in economics, business and management research/Advances in Economics, Business and Management Research
Pamina M. Gorbach, Caroline Ryan, Vonthanak Saphonn, Roger Detels,
... several of the provinces of northern Vietnam including Quang Ninh and the major cities of the north [41]. ... that rates in Hanoi and Haiphong cities and Quang Ninh Province are as high as 65–74% among ... in China's Guangxi Province just north of Quang Ninh Province and may represent a cross-border epidemic ...
Tópico(s): HIV/AIDS Research and Interventions
2002 - Lippincott Williams & Wilkins | AIDS
Đoàn Văn Thược, Bình Thị Thanh Nguyễn,
... was selected from mangrove soil samples collected from Quang Ninh province by using the Nile red dying technique. ... phân lập từ đất rừng ngập mặn tỉnh Quảng Ninh nhờ kỹ thuật nhuộm với Nile red. Ảnh ...
Tópico(s): Graphene and Nanomaterials Applications
2012 - | Journal of Vietnamese Environment
... ecosystems in the coastal waters of Hai Phong - Quang Ninh area. To complete this study, the methods employed ... developed in recent studies for the Hai Phong - Quang Ninh area, demonstrated changes and trends in significant ecosystems, ... be only 10,000 ha in 2010 in Quang Ninh. Marine ecosystems in the coastal waters of Hai Phong - Quang Ninh area have degraded significantly, particularly coral reefs, mangroves ...
Tópico(s): Coastal and Marine Management
2009 - Taylor & Francis | Aquatic Ecosystem Health & Management
Vu Minh Phap, Le Quang Sang, Ninh Nguyen Quang, Đoàn Văn Bình, Bui Bao Hung, Cu Thi Thanh Huyen, Nguyen Thanh Tung,
Currently, global energy transformation and the promotion of renewable energy use are being taken care of to minimize the harm to the environment. However, the disadvantage of renewable energy is the random change, which leads to the regulation of grid operations, which is very difficult when the capacity of renewable energy sources accounts for a large proportion. The hydrogen production technology from wind and solar energy sources is one of the possible methods to minimize adverse impacts on ...
Tópico(s): Advanced Battery Technologies Research
2022 - Elsevier BV | Energy Reports
Nam Sinh Vu, Son Hai Tran, Phong Vu Tran, Tu Cong Tran, Duong Nhu Tran, Anh Duc Dang, Yen Thi Nguyen, Lieu Thi Vu, Phuong Khanh Ngo, Nguyễn Hoàng Việt, Cécile Cassan, Nguyễn Văn Vĩnh Châu, Nil Rahola, Anne‐Laure Bañuls,
... distribution and ecology of sand flies in the Quang Ninh province, Northern Vietnam, where Leishmania cases were reported ... the cavernicolous character of the species in the Quang Ninh province. However, specimens were also collected in intra ...
Tópico(s): Insect and Pesticide Research
2019 - Oxford University Press | Journal of Medical Entomology
... significant hovering in the developed space. In the Quang Ninh basin, 9-10 % of the workings are anchored, ...
Tópico(s): Engineering and Environmental Studies
2022 - Saint Petersburg Mining University | Journal of Mining Institute
... save the unseen – Studies on neonatal mortality in Quang Ninh province, Vietnam,' from Uppsala University. The thesis aims ... neonatal deaths in the official health statistics in Quang Ninh province in northern Vietnam. The neonatal mortality rate ( ...
Tópico(s): Healthcare Systems and Reforms
2011 - Taylor & Francis | Global Health Action
Leif Eriksson, Nguyen Thu Nga, Dinh Thi Phuong Hoa, Dương Minh Đức, Anna Bergström, Lars Wallin, Mats Målqvist, Uwe Ewald, Tran Quang Huy, Nguyễn Thị Thanh Thủy, Tran Thanh, Pham Thi Lan Lien, Lars Åke Persson, Katarina Ekholm Selling,
... mortality during and after the trial. Methods In Quang Ninh province, 44 communes were allocated to intervention and ...
Tópico(s): Infant Development and Preterm Care
2018 - BMJ | Journal of Epidemiology & Community Health
Nguyễn Quốc Long, Tam Thanh Thi Le, Nguyễn Gia Trọng, D. T. Tran,
... over the Mong Duong underground coal mine in Quang Ninh, Vietnam Methods. In the ANN model proposed in ... which can be applied to underground mines in Quang Ninh province, Vietnam.
Tópico(s): Automated Road and Building Extraction
2023 - | Mining of Mineral Deposits
Ngoc Tung Quach, Thi Hanh Nguyen Vu, Thi Lien Bui, Thi Thanh Xuan Le, Thi Thu An Nguyen, Cao Cuong Ngo, Quyet‐Tien Phi,
... parvulus VCCM 22513 isolated from Bruguiera gymnorrhiza in Quang Ninh mangrove forest, northern Vietnam showed abiotic stress tolerance ... 15 endophytic actinomycetes associated with B. gymnorrhiza in Quang Ninh mangrove, northern Vietnam, VCCM 22513 extract showed remarkable ...
Tópico(s): Genomics and Phylogenetic Studies
2022 - BioMed Central | Annals of Microbiology
... roof falling in geological conditions of longwalls in Quang Ninh coalfield, Vietnam. Practical implications. The research results presented ... mechanized longwall at some current underground mines of Quang Ninh coalfield, Vietnam.
Tópico(s): Geomechanics and Mining Engineering
2022 - | Mining of Mineral Deposits
Do Thi Thu Huong, Thi Thu Ha Nguyen, Gia Do Khanh, Nguyễn Văn Thành, Luc Hens,
... the Economic Development Triangle (Hai Phong−Ha Noi–Quang Ninh) established by the Government of Vietnam. As one ... beaches. Therefore, local authorities of Hai Phong and Quang Ninh should take into account several main responses to ...
Tópico(s): Coral and Marine Ecosystems Studies
2021 - Springer Science+Business Media | Environment Development and Sustainability