共找到 150 条与 半小时是多少秒 相关的标准，共 10 页
Full Description This is one of five papers from a seminar about rate making for water wholesalers. The purpose of the seminar
What is a Proper Rate of Return?
Full Description Small systems as well as large ones are facing additional challenges today. No longer can a treatment plant
What is the Turbidity of Your Files?
Full Description Includes 11 references, tables, figures
Show Me the Savings! Do New Homes Use Less Water?
Full Description This article examines the technical and economic feasibility of incorporating ozone, granular activated carbon
Journal AWWA — Biological Activated Carbon -- At What Cost?
Full Description As population growth, climate change, and water quality decline affect the limited water resources
Journal AWWA — Half Full or Half Empty? Either Way It's Time To Plan
Castors and wheels - Castors and wheels for applications over 1,1 m/s (4 km/h) and up to 4,4 m/s (16 km/h); German version EN 12533:1998
Full Description ADOPTED_FROM:EN 12533:1998 This European Standard specifies the technical requirements, the appropriate
Castors and wheels — Castors and wheels for applications over 1,1 m/s (4 km/h) and up to 4,4 m/s (16 km/h)
Full Description This European Standard specifies the technical requirements, the appropriate dimensions and the requirements
Castors and wheels - Castors and wheels for applications over 1,1 m/s (4 km/h) and up to 4,4 m/s (16 km/h)
Full Description The prices many municipal suppliers and private water utilities charge for water have increased dramatically
Journal AWWA — What Will Water Rates Be Like in the 1990s?
Full Description This powerpoint presentation begins by listing the acceptable risk levels for human exposure to various
Safe Drinking Water: What is Acceptable Microbial Risk?
Full Description Three new technologies, advanced ion-exchange operations with indefinite brine recycling (AIXO-IBR
Three New Arsenic Removal Technologies: How to Design Them and How Much They Will Cost
(a) The threshold is a level of modified adjusted gross income above which the beneficiary will have to pay the income- related monthly adjustment
Employees' benefits. Part418:Medicare subsidies. Section418.1105:What is the threshold?
Full Description This powerpoint presentation presents information on determining the correct dosage that should be used when
12 or 40 mJ/cm2: What Is the Required UV Dose for Cryptosporidium Credit?
As described in the SAE J1939 document@ there is a minimum of seven documents required to fully define an SAE J1939 network. This document@ SAE
Reduced Physical Layer@ 250K bits/sec@ UN-Shielded Twisted Pair (UTP)
RELAY, SOLID-STATE, TIME DELAY (ON OPERATE), TYPE I, CLASS C, SPST, 250 MILLIAMPERES, VARIABLE TIME, 0.05 TO 500 SECONDS
