常見例句The microstructure of isothermally-quenched ductile iron (ADI) is a mixture structure consisting of austenite plus acicular ferrite. 摘要等溫淬火球鐵的顯微組織由奧氏體加針狀鐵素體的混合組織組成。By observing microstructures , we find they may form spheroidal A,acicular A and feathery A . 組織觀察發(fā)現(xiàn),除形成球狀A(yù)、針狀A(yù)外,還形成羽毛狀A(yù)。The extract was further purified by column chromatography to get the acicular crystals of reserpine of 99. 將萃取所得產(chǎn)物用硅膠柱色譜進一步分離提純;得到了質(zhì)量分數(shù)為99.;8%25的利血平針狀結(jié)晶。A double acicular electrostatic device was designed.Experiments were conducted with an experimental model established. 摘要在高射程噴霧機上設(shè)計了雙針電暈靜電裝置,并對實驗?zāi)P瓦M行了相關(guān)試驗。The acicular and columnar shapes of aragonite crystals are preserved even after aragonite changes into calcite. 文石轉(zhuǎn)變?yōu)榉浇馐1A粑氖尼槧睢⒅鶢罹?,并存在于石筍沉積生長的始終。The iron content of grainy crystal was the most, acicular crystal taking second place. 表面有粒狀析晶的磁珠中鐵含量最高,針狀析晶磁珠次之。 返回 acicular