نتایج جستجو برای: underground gas manufacture
تعداد نتایج: 274464 فیلتر نتایج به سال:
Abstract Photomultiplier tubes (PMTs) are traditionally an integral part of large underground experiments as they measure the light emission from particle interactions within enclosed detection media. The BUTTON experiment will utilise around 100 PMTs to response different media suitable for rare event searches. A subset low-radioactivity 10-inch Hamamatsu R7081 were tested, characterised, and ...
Abstract. Several sulfur hexafluoride (SF6) tracer gas experiments were conducted in a subway system to measure the possible pathways of toxic gas for subway tunnels and stations empirically. A new mobile integrated measuring and analysis system was used to achieve high sample rates and a long measurement time. Due to the mobility of the sensors, tracer gas experiments were also carried out ins...
The regulation of the seasonal energy supply for natural gas and storage fossil are important to society. To achieve it, storing a large amount in porous underground media is one government’s choices. Due successful lesson learned from oil industry, has been regarded as most potential long−term method. In this paper, we developed new workflow evaluate performance reservoir−type (UGS). theoretic...
possibility of very selective separations that depend on the geometry of the molecules to be separated rather than the more generalized solubility mechanisms acting in gas}liquid chromatography. It should be theoretically possible to design adsorbents for particular separations. In the branch of liquid chromatography known as afRnity chromatography, for example, it is already possible to manufa...
Introduction What can the canary in the coal mine tell us? Historically, canaries accompanied coal miners deep underground. Their small lung capacity and unidirectional lung ventilation system made them more vulnerable to small concentrations of carbon monoxide and methane gas than their human companions. As late as 1986, the acute sensitivity of these birds served as a biological indicator of ...
In this article various pipes used for transporting of gas are introduced and pros and cons of each one are elucidated. The pipes are categorized in three different subgroups including metallic, polymeric and metallic-wire reinforced polymeric pipes. Metallic-wire reinforced polymeric pipes are nominated as the best option for usage in high pressure pipelines transporting natural gas. As a resu...
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