常見(jiàn)例句Ultraviolet Spectrophotometry Measurement of absorbance at 234 nm (conjugated dienes) and 268 nm (conjugated trienes) is sometimes used to monitor oxidation. 紫外分光法在234nm（共軛二烯）和268nm(共軛三烯)処光吸收的測(cè)量有時(shí)用來(lái)檢測(cè)氧化作用。Dai Trien Import Export Trading Co., Ltd. Established in Vietnam, major in trading business import foreign products and sell to local market, and export Vietnam product to worldwide countries. 大展貿(mào)易有限公司在越南衚志明市,主要做進(jìn)出口買(mǎi)賣(mài)業(yè)務(wù),現(xiàn)時(shí)有經(jīng)營(yíng)自動(dòng)滅火球,建築裝飾塗料,機(jī)車(chē)輪胎,食品,飲料民生用品等等trien 三亞乙基四胺 返回 trienes