Results 1 to 10 of about 2,742,526 (343)
Energies, 2022 Shale oil resources are important supplements for the gradually decreasing oil production from conventional reservoirs. Although the exploitation and development of shale oil have achieved considerable progress in the last decade, the commercial ...
Yangbo Lu +5 more
doaj +3 more sources
Disparities in liver cancer occurrence in the United States by race/ethnicity and state [PDF]
Ca-A Cancer Journal for Clinicians, 2017 Abstract Liver cancer is highly fatal, and death rates in the United States are increasing faster than for any other cancer, having doubled since the mid‐1980s. In 2017, it is estimated that the disease will account for about 41,000 new cancer cases and 29,000 cancer deaths in the United States.
Farhad Islami +2 more
exaly +3 more sources
Occurrence State of Iron and Titanium in Kaolinite
Chemical Engineering Transactions, 2016 The process mineralogy characteristics, such as chemical composition, mineral components and contents, the occurrence of the main mineral, the occurrence state of Ti and Fe, and the mineralogy factors affecting beneficiation indexes, were studied in ...
Y. Liu, X. Yang, L. Xu
doaj +2 more sources
Law of imbibition effect on shale gas occurrence state
Natural Gas Industry B, 2020 So far, how imbibition effect changes the occurrence state of shale gas has not been quantitatively understood, and the law of gas–water dynamic displacement caused by the retention of abundant fracturing fluid in a shale reservoir has not been ...
Zhiming Hu +4 more
doaj +3 more sources
THE OCCURRENCE OF MENORRHAGIA OR METRORRHAGIA DURING THE FEBRILE STATE. [PDF]
Lancet, The, 1887 n ...
exaly +2 more sources
Kuangchan zonghe liyong, 2022 Daqianggou lithium beryllium deposit is located in Xinshangou - Daqianggou area, Naiqu village, Jiulong County, Ganzi Prefecture, Sichuan Province. The ore bodies occur in quartz diorite joints and biotite quartz schist joints of Triassic Xinduqiao Group.
Yang Lai, Wei Deng
doaj +1 more source
Detailed Study on Technological Mineralogy of a Low Grade Gold Ore in Shandong
Kuangchan zonghe liyong, 2022 The gold mine in a certain place in Shandong contains 0.8～1.0 g/t Au on average, which is a low-grade gold mine. Because the ore contains low gold, in order to reduce the cost of beneficiation and effectively recover valuable metals, detailed process ...
Baobao Shi +3 more
doaj +1 more source
Study on gas injection development effect of tight reservoir based on fluid occurrence state
Frontiers in Energy Research, 2023 Based on the tight oil reservoir conditions of Lucaogou Formation in Jimusar Sag, Xinjiang, this paper conducts a full-scale characterization experiment of pore structure and designs the optimization numerical simulation of the development scheme based ...
Liu Yishan +8 more
doaj +1 more source
Occurrence of Scandium in a Ilmenite Ore in Northwest China
Kuangchan zonghe liyong, 2023 This is an essay in the field of process mineralogy. In order to find out the properties of low-grade titanium ore with scandium, chemical analysis, electron microscope, X-ray diffraction, automatic mineral analyzer and optical microscope are used to ...
Feiyan Liu +3 more
doaj +1 more source
Occurrence state and migration mechanism of arsenic in metal mines
地质科技通报, 2022 Environmental pollution often occurs in the process of mining, beneficiation and smelting of metal mines.Arsenic pollution caused by acid mine drainage (AMD) is one of the most serious pollution problems of heavy metals.
Xiaoping Zhang +8 more
doaj +1 more source