利用Web of Science平台检索时,如果限制检索词oil和检索词gas最多间隔不超过4个单词,下列哪个选项是正确的?
A: oil AND/4 gas
B: oil Same/4 gas
C: oil W/4 gas
D: oil Near/4 gas
A: oil AND/4 gas
B: oil Same/4 gas
C: oil W/4 gas
D: oil Near/4 gas
举一反三
- The role and position of unconventional oil and gas resources in global oil and gas production are becoming more and more important. Which of the following are unconventional oil and gas resources? A: Tight rock oil and gas B: Mud shale oil and gas C: Coalbed methane D: Oil shale E: Oil sands F: Natural gas hydrate
- The parameters for predicting oil and gas PIIP include . A: Oil (gas) area B: Average thickness of oil (gas) layer C: Single storage coefficient D: Thickness of source rock
- Oil and gas recovery rate of oil depot is 0.7-1.0%
- Oil and gas recovery rate of oil depot is 0.7-1.0% A: 正确 B: 错误
- Quantity of energy contained in the atmosphere is ______. A: smaller than that in coal alone B: smaller than that either in oil or in gas that we have on Earth C: greater than that in coal, oil and gas on Earth combined D: greater than that in coal, oil and gas on Earth, respectively