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Artigo Revisado por pares

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

Artigo Acesso aberto Revisado por pares

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

Artigo Acesso aberto Revisado por pares

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

Artigo Revisado por pares

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

Artigo Revisado por pares

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

Artigo

Tran Mien,

... 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

Artigo Revisado por pares

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

Artigo Revisado por pares

Nga Nguyen, P. Weissner,

... 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

Artigo

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

Artigo

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

Artigo Acesso aberto Revisado por pares

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

Artigo Revisado por pares

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

Artigo Revisado por pares

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

Artigo Acesso aberto Revisado por pares

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

Artigo Acesso aberto Revisado por pares

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

Artigo Acesso aberto Revisado por pares

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

Revisão Acesso aberto Revisado por pares

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

Artigo Acesso aberto

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

Artigo Revisado por pares

Trần Đình Lân,

... 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

Artigo Acesso aberto Revisado por pares

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

Artigo Acesso aberto Revisado por pares

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

Artigo Acesso aberto Revisado por pares

В. П. Зубов, Quang Phuc Le,

... 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

Revisão Acesso aberto Revisado por pares

Mats Målqvist,

... 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

Artigo Revisado por pares

Philippe Janvier, Patrick R. Rachebœuf, Hung Nguyen Huu, T. Doàn Nhât,

... the sandstone series of the Tra Ban Island (Quang Ninh Province, Vietnam), which are referred to the Dô ...

Tópico(s): Paleontology and Stratigraphy of Fossils

2003 - Elsevier BV | Journal of Asian Earth Sciences

Artigo Revisado por pares

Nguyen Thu Nga, Mats Målqvist, Leif Eriksson, Dinh Phuong Hoa, Annika Johansson, Lars Wallin, Lars Åke Persson, Uwe Ewald,

... based randomized trial for improved neonatal survival in Quang Ninh province, Vietnam (NeoKIP; ISRCTN44599712). The NeoKIP trial seeks ...

Tópico(s): Maternal and Neonatal Healthcare

2010 - Wiley | Acta Paediatrica

Artigo Revisado por pares

Nguyen Thu Nga, Dinh Thi Phuong Hoa, Mats Målqvist, Lars Åke Persson, Uwe Ewald,

... was performed on all neonatal deaths occurring in Quang Ninh province from July 2008 to June 2010. Three ...

Tópico(s): Neonatal Respiratory Health Research

2011 - Wiley | Acta Paediatrica

Artigo Acesso aberto

Phuong Ha Hoang, Hong Thu Nguyen, Trung Thanh Tran, Thanh Tung Tran, Lan Phuong, Thi Nhi Cong Le,

... from six different aquaculture water samples collected from Quang Ninh and Soc Trang. Basing on their high nitrification ... nước nuôi trồng thủy sản khác nhau từ Quảng Ninh và Sóc Trăng, 10 chủng vi khuẩn oxy ...

Tópico(s): Wastewater Treatment and Nitrogen Removal

2017 - | Journal of Vietnamese Environment

Artigo Acesso aberto Revisado por pares

Roderick van der Linden, Andreas H. Fink, Joaquim G. Pinto, Tan Phan‐Van,

... July–early August 2015. The coastal region in Quang Ninh Province was hit severely, with station rainfall sums ... trough in the 51 ensemble members. Thus, the Quang Ninh event is a good example in which the ...

Tópico(s): Meteorological Phenomena and Simulations

2017 - American Meteorological Society | Weather and Forecasting

Artigo Acesso aberto Revisado por pares

Long Hoang Thanh, Linh Ta Nhat, Hao Nguyen Dang, Thi Minh Hop Ho, Philippe Lebailly,

... on OVOP following by a case study in Quang Ninh province, Vietnam. The results, reveal, in practice, despite ...

Tópico(s): Rural development and sustainability

2018 - Multidisciplinary Digital Publishing Institute | Sustainability