Results 1 to 10 of about 1,412,342 (324)
Frontiers in Cellular and Infection Microbiology, 2021 In many ways, fungal diseases are forgotten or neglected. Given the significantly lower frequency compared to similar bacterial etiologies across the spectrum of infectious syndromes, it makes sense that anti-bacterial agents have seen the bulk of development in recent decades.
Todd Patrick McCarty +2 more
openaire +3 more sources
Comparison test of factors affecting wax deposition of waxy crude oil
You-qi chuyun, 2021 In order to study the influence of different wax deposition factors on the wax deposition law of Daqing Crude Oil, the influence factors such as different wax deposition time, oil wall temperature difference, temperature range and shear rate were ...
Zhaoyang LIU +7 more
doaj +1 more source
Mathematics of Operations Research, 2022 We introduce the pipeline intervention problem, defined by a layered directed acyclic graph and a set of stochastic matrices governing transitions between successive layers. The graph is a stylized model for how people from different populations are presented opportunities, eventually leading to some reward.
Eshwar Ram Arunachaleswaran +3 more
openaire +4 more sources
Current status and development trend of oil and gas storage and transportation technologies
You-qi chuyun, 2021 During the 13th Five-year Plan, the domestic oil and gas storage and transportation business developed rapidly, which promoted the progress of oil and gas storage and transportation technologies.
Lele WANG +5 more
doaj +1 more source
A similarity based locating method of negative pressure wave caused by pipeline leakage
You-qi chuyun, 2021 The common negative pressure wave based pipeline leakage detection technology is to locate the leakage based on the time difference of the negative pressure wave reaching the upstream and downstream obtained by calculating the pressure drop point ...
Hongchao WANG +5 more
doaj +1 more source
Early warning evaluation method of groundwater pollution risk in oil pipeline leakage
You-qi chuyun, 2021 Oil pipelines are characterized with long mileage, high risk of transportation medium and complex hydrogeological conditions. Once oil leaking occurs in environmentally sensitive areas, serious environmental pollution may be caused.
Yu DIAO +7 more
doaj +1 more source
Scheme and optimization of mixed transportation of Jinhua Crude Oil Pipeline at normal temperature
You-qi chuyun, 2022 Jinhua Crude Oil Pipeline always transports Jidong crude oil and Russian crude oil in an alternating cold-hot mode. With the deterioration of Jidong crude oil in physical properties year by year, the allowable shutdown time of the pipeline is greatly ...
Jiahuan HE +7 more
doaj +1 more source
You-qi chuyun, 2021 Due to the national requirements for keeping the surveying and mapping geographic information confidential, the sharing of long-distance pipeline coordinate data is always a difficulty for the application of informatization of the pipeline operators ...
Bao-long YANG +4 more
doaj +1 more source
You-qi chuyun, 2020 To solve the problems of insufficient power, high speed impact, high energy consumption, etc. of the detectors applied to large-diameter pipelines before the conventional cup-type pipelines are put into production, the self-driven inner detector suitable
Jianfeng ZHENG +6 more
doaj +1 more source
Current construction status and development trend of global oil and gas pipelines in 2020
You-qi chuyun, 2021 Oil and gas pipelines are one of the main means for oil and gas transportation over the world, and the development trend of their planning and construction is mainly affected by the development of oil and gas resources, as well as the national and ...
Qiu-yang LI +6 more
doaj +1 more source