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As of 2020, 38 Fortune 500 companies had headquarters in the San Francisco Bay Area. [1] San Francisco-based businesses are not listed here; the subset of San Francisco-based businesses by type is at the list of companies based in San Francisco. This list includes extant businesses formerly located in the Bay Area, which have moved, or been ...
Pages in category "Technology companies based in the San Francisco Bay Area" The following 200 pages are in this category, out of approximately 297 total. This list may not reflect recent changes. (previous page)
Zero Emission Industries, Inc. (ZEI) is an American hydrogen technology company founded in 2018 and headquartered in the San Francisco Bay Area.Previously known as Golden Gate Zero Emission Marine, ZEI designs and manufactures hydrogen fuel cell power systems and hydrogen refueling solutions with a focus on maritime applications.
The primary purpose of leak detection systems (LDS) is to help pipeline controllers to detect and localize leaks. LDS provide alarms and display other related data to the pipeline controllers to assist decision-making. Pipeline leak detection systems can also enhance productivity and system reliability thanks to reduced downtime and inspection ...
European Committee for Standardization EN 13160 shows five different classes (technical methods) of leak detection systems to be used on tanks and pipes. [1] The number of the class indicates the effectiveness of the installed leak detection system. Class 1 being the highest and class 5 being the lowest level. [2] [3] [4]
Ultrasonic gas leak detectors cannot measure gas concentration, but the device is able to determine the leak rate of an escaping gas because the ultrasonic sound level depends on the gas pressure and size of the leak. [15] Ultrasonic gas detectors are mainly used for remote sensing in outdoor environments where weather conditions can easily ...
A leak Saturday afternoon pumped 15,000 gallons of sewage in the Pacific Ocean, ... 15,000-gallon sewage leak triggers closures at two L.A. County beaches. Jireh Deng. July 22, 2024 at 8:14 PM ...
A tracer-gas leak testing method is a nondestructive testing method that detects gas leaks.A variety of methods with different sensitivities exist. Tracer-gas leak testing is used in the petrochemical industry, the automotive industry, the construction industry [1] and in the manufacture of semiconductors, among other uses.