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- The growth technology for Eu doped YSO single crystals of high optical quality are discussed in this paper. 使用设备是一台中频感应加热炉。
- The slag system has characters of low melting point,high optical basicity and good desulfurizing capacity. 该渣系具有熔点低、光学碱度高、脱硫能力较强的特点,脱硫率达到80%25。
- METHODS:The D-ring synthon was synthesized starting from(+)-3-endo-bromocamphor.RESULTS:The two novel D-ring synthons are of high optical purity. 方法:以(+)-内向-3-溴莰酮-2为手性源,立体控制合成含偕二甲基的手性D环合成子。
- Therefore,it is important to control strictly reaction conditions for removing cystine's mesoisomer and making L-cystine of high optical purity. 严格控制反应条件,分离除去内消旋胱氨酸是制取高光学纯度L-胱氨酸的重要措施。
- The borane modified by chiral oxazoborolidines enantioselectively reduced aliphatic and aromatic ketones to yield sec-alcohols with 100% yield and medium to high optical yields. 硼烷-手性(口恶)唑硼烷-还原体系能将脂肪酮和芳香酮还原为仲醇,化学还原收率町达100%25,光学收率也比较高。
- Pulsed electrodeless discharges used as laser pumping provide high peak power,high UV content,high optical coupling effieienoy,long life-time and good reproducibility. 以脉冲无极放电作激光泵浦源,可提供高峰值功率、高紫外分量、高光学耦合效率、长使用寿命,并有良好的再现性。
- By way of lipase-catalyzed double resolution several applications for the preparation of chiral organic compounds with high optical purity and good yield are described. 本文介绍了几种脂肪酶催化的两次拆分法,此法可用于高产率地制备高光学纯手性有机化合物。
- We have made benefic trials on the research of optical limiting materials with abroad protective wavelength, high optical density and high transmission. 对于多波段,高光密度,高透过率的光限幅材料的研制,本论文做出了有益的尝试。
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- Men and birds are fain of climbing high. 不论人还是鸟都愿意往高处攀。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- Goods of high quality are few and far between these days. 质地精美上乘的物品现在不多见。
- These are modern materials having greater uniformity and higher optical sensitivity. 这些是均质性更好、光学灵敏度更高的现代材料。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- I set a high value on his advice. 我认为他的忠告很有价值。
- Continuous product guidance, servodrive technology and the programmed wrapping curves for trays, cartons or film are decisive for accurately shaped packs with a high optical standard. 连续作业、伺服驱动以及预定托盘、纸盒或薄膜的转角弧线等等,都是确保包装件精确成形与外型美观的前提条件。
- Some Mueller matrix elements present higher optical rotation as the concentration of glucose augments. 部分矩阵元表现出微弱的旋光效应,并且旋光度随葡萄糖浓度增大而增大。
- Many competitors have entered for the high jump. 已有许多人报名参加跳高比赛。
- She enjoyed high prestige among the masses. 她在群众中享有很高威信。
- The dresses in the shop are priced high. 这家商店的衣服定价很高。