痕量氣體 的英文怎麼說
中文拼音 [hénliángqìtǐ]
痕量氣體
英文
trace gases-
Testing methods for determination of trace components in diluent gas and zero gas
測定稀釋氣體及調零氣體中痕量組分的試驗方法Second - harmonic detection research with tuneable diode laser absorption spectroscopy
可調諧二極體吸收光譜痕量氣體濃度演算法的研究Libs has power potential to be used to detect trace elements in the sample matrix that include gases, aerosols, and liquids
因此libs可運用於氣體、顆粒和液體基質中的痕量分析。In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively
2005年,沉積物監測包括分析61種物理及化學參數,其中有粒子大小電化學勢有機污染促使沉積物缺氧,而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物,是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。Non - destructive testing - leak testing - tracer gas method
無損檢驗.泄漏檢驗.痕量氣體方法Non - destructive testing - leak testing - tracer gas method ; german version en 13185 : 2001
無損檢測.滲漏試驗.痕量氣體法Study on laser absorption spectroscopy for measuring gas of mine
差分吸收光譜法測量大氣痕量氣體濃度誤差分析及改善方法Atmospheric trace gas
大氣痕量氣體Concentration calibration method of ambient trace - gas monitoring with tunable diode laser absorption spectroscopy
可調諧二極體激光吸收光譜法監測大氣痕量氣體中的濃度標定方法研究They fill the container with pure air made by evaporating liquid nitrogen and liquid oxygen, and add water vapour and some trace gases
他們將容器充滿由蒸發液態氮和液態氧得到的純空氣,再加入水蒸氣和一些痕量氣體。Nitrous oxide ( n2o ), a naturally occurring greenhouse gas, was one of the trace gases of nitrogen cycle. its lifetime was about 120 years in the troposphere. it has caused considerable concern since n2o not only contributed to the destruction of stratospheric ozone, but also its greenhouse effect strength was about 200 times higher than carbon dioxide ( co2 )
溫室效應氣體n _ 2o是氮素循環中的痕量氣體之一,其溫室效應強度是co _ 2的200倍左右,它在大氣中的停留時間長達120年,而且,其消耗或轉化是以破壞o _ 3為代價的。分享友人