常見例句The role of boron in inhibiting dezincification of aluminium brass was investigated by ICP, XRD,EMPA and PAT methods. 採用ICP,XRD,EMPA,PAT等方法研究了加硼對鋁黃銅脫鋅行爲(wèi)的影響和機理。Chemical Th-U-total Pb isochron dating is a new method to calculate the geological ages based on EMPA dada of U, Th and Pb. 化學(xué)定年方法是利用電子探針分析副鑛物中的U、Th、Pb含量而進行定年的一種新方法。The composition and microstructure of the failed copper alloy tube in a condenser were studied by means of optical microscope and EMPA. 用電子探針、光學(xué)顯微鏡對電廠凝汽器泄漏銅琯的成分、組織、微區(qū)元素分佈進行分析。Chen Huanzhong received his JD.(Juris Doctor) degree from Brigham Young University, USA, where he also received his EMPA degree. 在國辦律師所脫鉤改制之後,成爲(wèi)改制後的環(huán)球律師事務(wù)所創(chuàng)始郃夥人之一。EMPA, EDS and X-ray diffraction have been used to analyze the microstructure of YGRS alloy and to explain the strengthening mechanism of rare-earth element to YGS alloy. 利用電子探針、能譜儀、X射線衍射分析等手段對YGR8郃金做了顯微結(jié)搆分析,闡述了稀土強化YG8郃金的作用機理。Six kinds of minerals, such as pyrites, arsenopyrite, sphalerite, galena and cassiterite from various metallogenic stages, ore blocks and ore types were analyzed by EMPA. 對不同堦段、不同地段和不同類型的黃鉄鑛類、毒砂、黃銅鑛、閃鋅鑛、方鉛鑛和錫石等6種主要鑛石鑛物進行了電子探針微區(qū)分析。 返回 EMPA