Results 21 to 30 of about 825,598 (261)

Types, element occurrence forms and enrichment mechanisms of rhenium metal deposits

地质科技通报, 2021
Rhenium is a strategic rare metal mineral that rarely forms independent deposits.Most of it is produced in the form of associated elements in the porphyry magmatic hydrothermal system.Studies have shown that rhenium-rich deposits are mainly distributed ...
Chengjiao Zhou, Gangyang Zhang, Dingchuan Zhang   +2 more
doaj   +1 more source

Occurrence of hemophilia in the United States [PDF]

American Journal of Hematology, 1998
An active surveillance system was used to identify all residents with hemophilia in six U.S. states (Colorado, Georgia, Louisiana, Massachusetts, New York, and Oklahoma). A hemophilia case was defined as a person with physician-diagnosed hemophilia A or B and/or a measured baseline factor VIII or IX activity (FA) of 30% or less.
J. Michael Soucie, Bruce Evatt, Debra Jackson   +2 more
openaire   +1 more source

The Occurrence of Gout in the United States [PDF]

The American Journal of the Medical Sciences, 1903
n ...
openaire   +1 more source

Occurrence of Yaws in United States [PDF]

Southern Medical Journal, 1915
n ...
openaire   +2 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 detail with the methods of lens-below identification, scanning electron microscope, chemical elements ...
Liu Y., Yang X., Xu L.
openaire   +2 more sources

Occurrence State of Lithium of a Greisen-Type Lithium Deposit in the Porphyry Sn-Ore Field, Southern Jiangxi Province

Yankuang ceshi
Greisen-type Li ore, a new type of lithium ore in recent years, is of great theoretical research and economic value. However, there is slightly insufficient in comprehensive evaluation of greisen-type Li ore in such a world-class Nanling W-Sn ...
Jinhua QIN, Shanbao LIU, Zhiqiang GUO, Chenghui WANG, Shude ZHANG, Xianyuan ZHONG   +5 more
doaj   +1 more source

Occurrence of normally-pressured shale gas in China and the United States and their effects on mobility and production: A case study of southeast Sichuan Basin and Appalachia Basin

Youqicang pingjia yu kaifa, 2022
Normal pressure shale gas plays such as the Ohio Formation Shale and Marcellus Formation Shale in the Appalachian Basin in the U.S. have been developed commercially.
JIANG Shu, LI Chun, CHEN Guohui, GUO Tonglou, WU Yuyuan, HE Xipeng, GAO Yuqiao, ZHANG Peixian   +7 more
doaj  

Occurrence and recoverability of tight oil in Paleogene Funing Formation, Subei Basin

Shiyou shiyan dizhi, 2020
The shale, interlayers and adjacent carbonate rocks and siltstones in the second and fourth members of the Paleogene Funing Formation in the Subei Basin were studied using multi-temperature pyrolysis and NMR.
Jinning PENG, Qi QIU, Dongyan WANG, Zhiming LI, Jianhui ZHU, Shiyou LIANG, Yingli WU   +6 more
doaj   +1 more source

Stepwise Extraction Study on the Occurrence of Uranium in Tongren Bahuang Phosphorite, Guizhou

Yankuang ceshi, 2018
BACKGROUND Previous studies have found that phosphorite deposits in Tongren Bahuang of Guizhou Province is rich in the radioactive element uranium.
WANG Zhi-gang, XIE Hong, YANG Xu, ZHOU Zhong-rong   +3 more
doaj   +1 more source

Occurrence states and potential influencing factors of shale oil in the Permian Fengcheng Formation of Mahu Sag, Junggar Basin

Shiyou shiyan dizhi, 2021
Taking the Permian Fengcheng Formation of the Mahu Sag of the Junggar Basin as an example, a systematic study of shale oil was carried out for the occurrence states and potential influencing factors by integrating various data including cores, well ...
Zhifeng YANG, Yong TANG, Xuguang GUO, Liliang HUANG, Ziqiang WANG, Xinmei ZHAO   +5 more
doaj   +1 more source