This century 40 time end, somebody of American IBM company begins to study homocentric circle (alleged ox eye) code marks, use at commodity. 本世紀(jì)40年代末,美國IBM公司有人開始研究同心圓形(所謂牛眼)代碼標(biāo)識,用於商品。
This paper deals with the way of purifing highly purity hyaluronic acid from ox eye by fractionation and organic solvent precipitation.It is easier to operate and form scale than others. 本文報(bào)道採用分級分離竝結(jié)郃有機(jī)溶劑沉澱法,從牛眼中純化出高純度透明質(zhì)酸,較其他方法簡便,易形成槼模。
Appraisal on the toxicity of hyaluronic acid from ox eye 牛眼透明質(zhì)酸的毒性評價(jià)
If the ox falls, whet your knife. 牛一倒，快磨刀; 人遭難，衆(zhòng)人踩。
The ox is never woe, till he to the harrow go. 掛耙去耕地，牛才知辛苦。
His book was an eye opener to complacent young men. 對自滿的年輕人來說，他的這本書有啓發(fā)作用。