at the opening 按開市盤; 開盤指令; 開始價(jià)格, 開盤時(shí), 開盤價(jià)
opening n. 1. 開,開放;開始,著手;開端,開頭;開場(chǎng),開幕。 2.口,孔,縫,洞;空隙;通路。 3.空地,空?qǐng)?;〔美?guó)〕林間空地。 4.(職位的)空缺;好機(jī)會(huì) (for)。 5.【象棋】開局,頭幾著。 6.【律】辯護(hù)人的申辦書。 7.【商業(yè)】開盤,交易開始時(shí)間。 adj. 開始的。 an opening address [speech] 開幕辭。 an opening ceremony 開會(huì)[開學(xué)、開幕、通車]典禮。 look out for an opening 謀事,找就業(yè)機(jī)會(huì)。
Ring opening polymerization of 3 - morpholinone and - caprolactone with zinc powder as catalyst 己內(nèi)酯的開環(huán)聚合反應(yīng)
Ring opening polymerization 開環(huán)聚合
Synthesis of polylactide and its copolymers by methods of ring opening polymerization and their application in bone surgical materials 聚乳酸合成及其共聚物在可降解骨材料領(lǐng)域的應(yīng)用
When the liquid formulation wre coated on optical substrate and exposed to uv irradiation , the initiators decomposed to cations intermediate and catalyzes the ring opening polymerization to form solid network 配合適量之光起始劑,將液態(tài)樹脂涂布于光透明基材上,經(jīng)由uv照光可進(jìn)行快速交聯(lián)反應(yīng)機(jī)制,形成固體聚合物。