英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
proprii查看　proprii　在百度字典中的解释百度英翻中〔查看〕
proprii查看　proprii　在Google字典中的解释Google英翻中〔查看〕
proprii查看　proprii　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Sanitary Protection of Tanks - Vents, Drains and Overflows
    Finished Water Storage Sanitary Protection: Storage tanks must have dedicated vents, overflow and discharge pipes, and drain lines to operate However, to prevent the water supply from being contaminated, you must protect these openings from birds, bats, other animals, insects, rain and windborne contaminants Be sure to consider the
  • Storage Tank Venting - Protectoseal
    Protectoseal Vents keep storage tanks from exploding Learn more about the safety features of these Pressure Vacuum Relief Vents, and how to specify them for your facility
  • Vent and overfill or overflow - AST Forum
    1- A free breathing vent is located at or near a reasonable high part of the tank or roof and allows the tank to breath in and out This is only used on non-volatile containing tanks 2- A conservator vent allows the tank to breathe in and out but limits or restricts vapors from escaping
  • Inlets, Outlets, and other Openings - Rainwater Harvesting
    The storage container of every RWH system must have an inlet, outlet, overflow, vent, and inspection or service port If multiple tanks are connected, there can be modifications to these requirements Inlet The inlet is where the water goes into the tank from the conveyance system
  • AST Vents – Advance Tank Construction
    The vent allows air and vapors to flow properly, minimizing excessive pressure or vacuum in the tank The proprietary design allows proper air movement at all times, even when the protective screen becomes frosted over or blocked by insects
  • Sanitary Protection of Reservoirs: Vents
    An overflow may not serve as an atmospheric vent Water storage tanks must be free of any potential pathways for contaminants to enter Poorly designed or maintained vents and screens are known sanitary defects These pose unnecessary risks to public health that can lead to illness, unsatisfactory coliform samples, more frequent
  • Back to Basics Protect Tanks from Overpressure and Vacuum - AIChE
    rating may require a pressure vessel rather than a tank Open atmospheric vents, flame and detonation arrestor vents, and liquid overflow lines may be considered as part of the system design, and their mechani-cal integrity must be ensured by an appropriate inspe
  • Method for Sizing and Overflow on an Atmospheric Tank
    Generally speaking, size an overflow for 2 5 - 3 5 ft second velocity Base your calculation on the maximum filling rate A pipe of 26 or 28 inch NPS would be my choice Typically, an overflow weir box is used with the overflow on a water tank if the flow rate is substantial
  • Sanitary Protection of Drinking Water Storage Tanks: Vents
    Outside air is pulled into the tank through the vent and overflow Thin walled metal tanks can be protected against excessive pressure and vacuum with a pressure vacuum relief mechanism Also, storage tank vents cannot serve as the overflow; tanks must have a vent separate from the overflow
  • Sanitary Protection of Drinking Water Storage Tanks: # 24 Mesh Non . . .
    This public health protection is accomplished by using #24 mesh non-corrodible screen on storage tank vents, overflows and drains, and has been known to the drinking water industry and included in Ten State Standards since 1962 Why do insects matter?





中文字典-英文字典  2005-2009