[ China Instrument Network Instrument R&D ] On May 20th, the award ceremony of the Scientific and Technological Progress Award of the Chinese Measurement and Measurement Society was held in Beijing. The “Condensation Weighing Method for Steam Flow Standard Device Development†project submitted by the national Yantai National Steam Flow Measurement Station was obtained. 2017 China Academy of Measurement and Testing Society Award for Science and Technology Progress Award. Xu Wenda, chief engineer of the national steam flow metering station, received the award on behalf of the National Steam Station.
The China Association for Metrology and Measurement Science and Technology Progress Award is the highest award in the field of metrology and testing. The award shows important scientific and technological achievements in the field of metrology and testing. It has been held five times since 2013. The "Condensation Weighing Method for the Development of Steam Flow Standard Devices" is a scientific and technological plan project of the General Administration of Quality Supervision, Inspection and Quarantine, which fills the vacancies in large-diameter, high-volume, high-precision steam flow standard devices at home and abroad.
The research results of this project have made positive contributions to the traceability and value transmission of steam flow in the country, maintaining trade order, solving trade disputes, saving energy and reducing consumption, optimizing the environment, etc., and promoting social energy conservation and consumption reduction. The service sector involves southern Guangxi. Steam users from all over the country, from north to Heilongjiang, from the west to Xinjiang, have steadily increased the number of service companies and achieved remarkable economic and social benefits.
Since the operation of this device, it has solved hundreds of steam metering dispute cases and provided steam metering equipment with R&D testing and technical upgrading services for many steam meter manufacturers both at home and abroad. It has played a significant role in the performance improvement and development of steam flow meters.
(Original Title: Yantai National Steam Flow Measurement Station Scientific Research Project won the third prize of the Scientific and Technological Progress Award of the China Measurement Research Society)
30mm Dovetail Scope Rings
30mm Dovetail Scope Rings are a specific type of dovetail mounting system designed to accommodate rifle scopes with a 30mm main tube diameter. These rings feature a dovetail design that slides into a corresponding dovetail-shaped groove on the firearm's receiver or rail system. The 30mm measurement refers to the internal diameter of the scope rings, which is the size of the scope tube they are designed to hold securely.
As with other dovetail scope rings, 30mm Dovetail Scope Rings offer certain advantages, such as:
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Low profile: The dovetail design provides a streamlined and low-profile setup, which can be aesthetically pleasing and reduce the overall bulk of the firearm.
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Secure fit: The interlocking design of the dovetail system ensures a stable and secure connection between the scope and the firearm, minimizing the chance of the scope shifting during use.
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Easy installation and removal: Dovetail scope rings can be easily installed or removed, making it simple to adjust, maintain, or swap scopes between firearms.
However, it is essential to note that 30mm Dovetail Scope Rings are designed specifically for scopes with a 30mm main tube diameter, and they may not be compatible with scopes of other sizes. Additionally, dovetail mounting systems may not be as versatile as other systems like Picatinny or Weaver rails, which can offer more mounting options and are compatible with a wider range of accessories.
Optics Mounts, Rifle Scopes Accesspries
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