GUANGZHOU, May 2 -- China has carried out deep-sea research with two submersibles to explore a cold seep in the South China Sea, according to a statement released by the China Geological Survey's Guangzhou branch Wednesday.
It is the first time two domestically-made deep-sea submersibles, the unmanned submersible Haima (Seahorse) and manned submersible Shenhai Yongshi (Deep Sea Warrior), have been used in a single scientific expedition.
The expedition in the Haima Cold Seep area in the Pearl River mouth basin in the South China Sea was carried out between April 28 and 30 by the research vessel Hai Yang Liu Hao (Ocean Six) and Tan Suo Yi Hao (Discovery One), which carry Haima and Shenhai Yongshi respectively, the statement said.
A cold seep is an area of the ocean floor where hydrogen sulfide, methane and other hydrocarbon-rich fluid seepage occurs. Research at the Haima cold seep will provide information on the formation of natural gas hydrate reservoirs, the ecosystems of cold seeps and the origins of life on earth.
The two submersibles conducted three dives together to reach the cold seep. Haima took samples from and explored the cold seep by making use of multiple tools, such as a side scan sonar, methane sensor and trap for undersea creatures.
gre考试机考新词考察-k
gre考试高频词汇出现频率统计(完结篇)
gre考试句子填空常见词汇(第20篇)
gre考试高频词汇出现频率统计28
gre考试句子填空常见词汇(第40篇)
gre考试高频词汇出现频率统计31
gre考试高频词汇出现频率统计21
gre考试句子填空常见词汇(第33篇)
gre考试高频词汇出现频率统计42
gre考试高频词汇出现频率统计45
gre考试句子填空常见词汇(第39篇)
gre考试句子填空常见词汇(第1篇)
gre考试句子填空常见词汇(第38篇)
gre考试句子填空常见词汇(第34篇)
gre考试句子填空常见词汇(第22篇)
gre考试高频词汇出现频率统计32
gre考试句子填空常见词汇(第23篇)
gre考试高频词汇出现频率统计33
gre考试句子填空常见词汇(第43篇)
gre考试句子填空常见词汇(第32篇)
gre考试句子填空常见词汇(第24篇)
gre考试句子填空常见词汇(第44篇)
gre考试机考新词考察-v
gre考试高频词汇出现频率统计40
gre考试句子填空常见词汇(第29篇)
gre考试机考新词考察-j
gre考试句子填空常见词汇(第25篇)
gre考试机考新词考察-a
gre考试机考新词考察-n
gre考试句子填空常见词汇(第30篇)
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |