Introduces the technical reform scheme about variable -speeder's gears of the high -pressure air station's off-centre air compressors which is used on the second term of Shanxi Aluminium Plant,and the situations about the manufacture, assemble,use etc.
The structure and the state of compressed air station used in ship are introduced,the design,choice and installation about the main equipments constituting the compressed air station used in ship are demonstrated particularly,the measurements that resolving the questions existing in the compressed air station are provided.
The technological process of the dry air station and the points for attention during the produc-tion of dry air have been introduced. A comparison has been made between the polyester chips before and after the use of dry air station, in terms of their water contents and products quality, it is considered that using dry air station in small polyester fiber plant can avoid the moisture regain of chips after drying, so it is an effective technical measure for stabilizing production and improving the products quality.
In light of the practical case of synchronous motor's breakdown due to the failure of vacuum circuit breaker for 60m air compressor of the compressed air station ,a discussion is made about the necessity of strengthening the management of the vacuum circuit breaker and about the preventative measures.
This paper describes an intercomparison between the V?is?l?, VIZ and Swiss (used at upper-air station 06610) radiosondes.
The entire process is applied to a case study using Earekson Air Station, a remote U.S.
Two particulate air samples were collected per day onto quartz fiber filters at the Loyola University Chicago Air Station during the summer months in 2002-2004.
Comparison and error verifications have been done with the help of available upper-air station data.
Determination of physical and chemical properties of the aerosol from 1972 to 1982 at a North-Alpine Pure Air Station at 1780 m
Using The Global Positioning System, GPS to determine the near earth camera satellite can obtain accuracy the satellite orbit with C/A code. Under the difficult condition without any star photograph or with a few stars on stellar photograph, it is possible that using the accuracy air station coordinates carries on photogrammetric positioning.
The technological process of the dry air station and the points for attention during the produc-tion of dry air have been introduced. A comparison has been made between the polyester chips before and after the use of dry air station, in terms of their water contents and products quality, it is considered that using dry air station in small polyester fiber plant can avoid the moisture regain of chips after drying, so it is an effective technical measure for stabilizing production and improving...
The technological process of the dry air station and the points for attention during the produc-tion of dry air have been introduced. A comparison has been made between the polyester chips before and after the use of dry air station, in terms of their water contents and products quality, it is considered that using dry air station in small polyester fiber plant can avoid the moisture regain of chips after drying, so it is an effective technical measure for stabilizing production and improving the products quality.
The total atmospheric water vapor is a neccesary data for not only the quantitative forecast of cloud and rainfall,but also radiance computation. The distribution of the average total precip-itable water in China has been studied by many scientists. They all used the data from upper-air stations, and discussed the mean values of years. The upper-air station are not many. When people want to get total atmospheric water vapor in the aeras where there are no upper-air stations,they usually use...
The total atmospheric water vapor is a neccesary data for not only the quantitative forecast of cloud and rainfall,but also radiance computation. The distribution of the average total precip-itable water in China has been studied by many scientists. They all used the data from upper-air stations, and discussed the mean values of years. The upper-air station are not many. When people want to get total atmospheric water vapor in the aeras where there are no upper-air stations,they usually use an indirect estimating method. However,this kind of method hasn' t been established in China. We generally use the following Hanns, formila: W = Ce? where W is total precipitable water,e is surface vapor pressure,and parameters C,d are undetermined coefficients. On the basis of the recent research abroad,these parameters have rather large temporal and spatial variability. If we indiscriminately imitate those formula abroad,the error will be great.
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