Tổng hợp tài liệu Khối Ngành Xã Hội tham khảo cho học sinh, sinh viên.
On the basis of studies to assess the status and impact factors arising landslides, partitioning allows warned the risk of landslides in the mountainous districts of Quang Ngai province. - On the mountainous province of Quang Ngai distributed sliding block 809, they form bands running under the sublatitude, sublongtitude and the NE-SW with slidi...
13 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 704 | Lượt tải: 0
Huong Son and Ky Anh districts are located in Ha Tinh province where are two sericite mineralization areas discovered, in Son Binh (Huong Son district) and Ky Tay (Ky Anh district). One of them, the sericite resource of Son Binh deposit, is hypothetically estimated about 2,79 million tons. Hydrothermal alterations, mostly sericitization of rhyoli...
12 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 574 | Lượt tải: 0
Vitamin is one of the most important nutrient components having strong effects on growth, survival rate and food conversion ratio in marine finfish in general and in snubnose pompano in particular. In this study, 3 levels of vitamin D3 (100, 115 and 130mg/kg dry feed) and a control treatment (0mg/kg dry feed) were tested in order to evaluate the...
7 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 563 | Lượt tải: 0
Based on the collected and investigated data in the period of 2011-2012 and the plan of socio-economic development of the Thuy Trieu - Cam Ranh coastal areas, this paper estimates the water’s environmental carrying capacity to manage them for sustainable development. The results show that, the volume of organic matter (by COD) met the potential ...
11 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 782 | Lượt tải: 1
Dung Quat economic zone is a major industrial zone in Vietnam. It belongs to Quang Ngai province in Central Vietnam. Until now, there have been few studies on seaweeds at Dung Quat. This article presents results of two field surveys, conducted in February, 2012 and September, 2012 under the research project “Surveying and assessing status of bio...
7 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 616 | Lượt tải: 0
The integrated assessment of natural conditions and resources to orient for the development of offshore waters and islands is a new field of research that has not been much interested in Vietnam. First of all, due to the characteristics of offshore waters and islands, applying the assessment process and methods that was carried out successfully ...
11 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 652 | Lượt tải: 0
Among the tsunami source zones defined in the East Vietnam sea region, the Manila trench, west of the Philippines is considered as the most dangerous for the Vietnamese coast. The recent research results show that the maximum expected earthquake magnitude for the Manila Trench source zone may reach to the value of Mw = 8.7, and it takes approxim...
10 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 683 | Lượt tải: 0
Four common coral genera in culture conditions are Symphyllia, Plerogyra, Euphyllia and Goniopora. They are long/large polyp stony corals, sexual and asexual reproduction. Except Symphyllia, the three genera are aggressive towards the other marine aquarium invertebrates. All of the four coral genera have 2 feeding modes: autotrophic mode through...
8 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 625 | Lượt tải: 0
Data on the water quality at coastal area of Phu Quoc island achieved in May 2010 (dry season) and August 2010 (rainy season) showed that DO concentrations were relatively abundant (>5mg/l), values of BOD5 (<1.96mg/l), COD (<12.5mg/l) and TSS (<42mg/l) were moderate. Concentrations of ammonia (from 0 to 29µgN/l), phosphate (from 4.9 to 17.1µgP/l...
9 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 570 | Lượt tải: 0
Từ các kết quả trình bày trên đây có thể đưa ra một số nhận xét về sự phân bố của PAHs trong trầm tích khu vực nghiên cứu như sau: Hàm lượng tổng 8 PAHs dao động từ 69,56 µg/kg tại trạm Trà Cổ đến 183,88µg/kg tại trạm Cửa Lò. Hàm lượng tổng PAHs tăng dần từ Bắc vào Nam (từ Trà Cổ tới Cửa Lò). Mùa khô hàm lượng PAHs cao hơn mùa mưa 1,1 - 1,9 ...
5 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 651 | Lượt tải: 0
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