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Lao Cai province
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This paper evaluates the economic value of mineral resources using resource assessment techniques. The total reserves and identified resources are 21,473 thousand tons of ore, corresponding to 160,278 tons of copper. In the case of using level 122 reserves, the identified resources is 16,412 thousand tons of ore, corresponding to 129,433 tons of copper
6p
viwalton
02-07-2024
1
1
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Litsea baviensis Lecomte, which belongs to the family Lauraceae. The plant was found in China, Thailand and Vietnam (Ban, 2003; Wu et al., 2008). In Vietnam, this species has been recorded in Lao Cai, Son La, Ha Noi, Ninh Binh, Thanh Hoa, Nghe An, Khanh Hoa provinces (Vietnamese as Bời lời Ba Vì). Notably, in the present study, this plant also was added distribution area in Vietnam (Dak Nong province).
10p
dianmotminh02
03-05-2024
4
1
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The studies involving water bugs (Hemiptera) biodiversity and ecology are very few and have mainly focused on taxonomy. We conducted research and evaluation of diversity indexes of water bugs (Hemiptera) in different landscapes including forest habitats, agricultural lands, ponds, streams from 16 sampling sites in Bac Kan, Lao Cai, Ninh Binh and Ha Tinh provinces. As a result, a total of 43 species of 23 genera of 10 families were recorded.
14p
dianmotminh02
03-05-2024
3
1
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Along with Vietnam’s economic and social development, the amount of household solid waste generated from households is increasing. Classifying household solid waste at source will significantly reduce the load on household solid waste treatment stages. Lao Cai City has implemented the classification of household solid waste since 2016 and achieved very high efficiency.
7p
dianmotminh02
03-05-2024
5
1
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Green rat snake Ptyas nigromarginata (Blyth, 1854) was originally described from Northeastern India. The species is known in India, Nepal, Bangladesh, Myanmar, Bhutan, China, Thailand to Vietnam. In Vietnam, the Green rat snake Ptyas nigromarginata is a poorly known species with few records from Lao Cai, Lang Son, Hanoi and Kon Tum provinces.
4p
vilarry
01-04-2024
4
1
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In this paper, we present the U-Pb age of titanite from different stages of the Sin Quyen deposit used to constrain the timing and origin of such events. The hydrothermal titanites are dated by in situ LA-ICP-MS technique and have UPb ages of 873±12 Ma and 844±12 Ma which indicate two mineralization/hydrothermal events at the same time, respectively.
8p
viplato
02-01-2024
2
2
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Tea farming households in Lung Vai commune, Muong Khuong district have been facing different types of risks. This study aimed to analyze their current risk-coping strategies, then to propose some solutions for the future. A total of 90 farmers in 3 villages with different production scales had been interviewed using semiconstructed questionare of how they identified and measured risks based on their observations and experience.
10p
visharma
20-10-2023
3
1
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The paper applied the data from an in-depth interview with 165 enterprises in Quang Ninh, Lao Cai and Cao Bang provinces to analyze and evaluate the behavior of investors when deciding to invest in the Northern border provinces of Vietnam. This article evaluated and analyzed the behavior of investors when deciding to invest in four aspects: how to find information on investment location; analysis of investment location; decision process to select the investment location and process of investment deployment.
9p
tethientran
27-07-2023
9
6
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The article reports the impacts of Write&Improve, an automated writing evaluation (AWE) tool in enhancing English writing skills of disadvantaged students. This study was conducted in a highland classroom which is under the control of The Rainbow Class Organization in Sa Pa town, Lao Cai province.
7p
vinebula
02-06-2023
12
5
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Dicamptus isshikii Uchida, 1928 is recorded for the first time from Vietnam on the basis of specimens collected from Bat Xat Nature Reserve, Lao Cai province, Northwest Vietnam. A checklist of the Dicamptus species of Vietnam is presented with detailed records on the distribution range of each species. A key to the Vietnamese species of the genus Dicamptus is also provided.
6p
vicaptainmarvel
21-04-2023
2
2
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One new species of the Platylomia radha species group, Platylomia minhi sp. nov., from Sapa, Hoang Lien National Park, Lao Cai province, north Vietnam is described. Synonymic lists for the five species of the Platylomia genus from Vietnam are provided. A key to five species of Platylomia genus: Platylomia bocki, Platylomia duffelsi, Platylomia malickyi, Platylomia operculata, and new species from Vietnam is provided.
9p
vicaptainmarvel
21-04-2023
6
2
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This study aimed to assess the relationship between distribution, altitude and investigation lines of vascular plants in Bat Xat Nature Reserve, Lao Cai province. Based on the collected specimens added 273 species of vascular plants belonging to 48 genera, 18 families, bringing the total number the currently known species are 1245 species of vascular plants belonging to 649 genera, 174 families and under 6 divisions such as.
24p
vicaptainmarvel
21-04-2023
3
2
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The genus Clarkus with a redescription of Clarkus sheri females is recorded and illustrated for the first time in Vietnam. Eight females of Clarkus sheri were collected from several natural reserves: Bac Me (Ha Giang province), Van Ban (Lao Cai province), Vu Quang (Ha Tinh province), Kon Chu Rang (Gia Lai province) and Me Linh (Vinh Phuc province).
11p
vicaptainmarvel
21-04-2023
6
2
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A taxonomic study on the genus Macrosemia from Vietnam in which a new species Macrosemia sapaensis sp. nov. is described. This species was collected from Lao Cai province in north Vietnam. Information on the distribution, photos of an adult, and illustrations of the male genitalia are provided for the new species. Based on the male characteristics, we provide a key to the genus Macrosemia Kato, 1925 (Hemiptera: Cicadidae) of Vietnam.
4p
viargus
20-02-2023
2
0
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Apatite ore from Lao Cai province (Viet Nam) has large reserves and low cost which was purified by a simple chemical method. Apatite ore and purified one were characterized for their molecular structure, phase component, specific surface area, element component, and morphology by Infrared (IR), X-ray Diffraction (XRD), Brunauer-Emmett-Teller (BET), Energy Dispersive X-ray (EDX), and Scanning Electron Microscope (SEM) methods.
17p
vidudley
20-02-2023
3
2
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The present study, based on the molecular data of seven DNA regions supported the relationship within the genus Altingia. Three clades were recognized in this genus. The species A. excelsa from Lao Cai province of Vietnam was well supported as closely related to A. siamensis by molecular data, this result is congruent with morphology, and distribution.
8p
vimalfoy
08-02-2023
4
1
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The study was conducted to (i) determine the effectiveness of the local-based food security intervention in improving the knowledge and practice of mothers in infant and young child feeding (IYCF) practices, and (ii) assess the effectiveness of the intervention in improving the nutritional status of children under five years in two communes in Lao Cai province.
10p
vihennessey
26-09-2022
6
3
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The essential oils from the needles and branch of the Abies delaveyi subsp. fansipanensis was collected in Hoang Lien Natural Park, Lao Cai province and was obtained by steam distilation and the yields of essential oils were 0.27% and 0.08% from air-dry material. By the using GC/MS analysis, there are 44 and 52 constituents from needles and branch were identified and accounting 97.75% and 96.86% essential oil.
6p
meyerowitz
25-12-2021
18
2
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The paper provides updated and thoroughly databases on vascular flora and vegetation types at elevational belt above 2,800m of Hoang Lien Son mountain range (Lao Cai province) for plant diversity conservation and sustainable development planning.
9p
meyerowitz
25-12-2021
10
0
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The study aims at investigating how students learn outside the classroom as well as the activities they focus on. The findings will be meaningful to English teachers in the school investigated because they can understand how their students learn English outside the class; therefore, they can design suitable strategies to improve their teaching skill as well as design various activities to help their students develop their English competence.
66p
closefriend09
16-11-2021
23
2
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