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Oxazaborolidine, which derive from the coordination of amino alcohol and borane, are good catalysts for the borane reduction reaction. A kind of fused cyclic oxazaborolidine invented by Corey and derived from proline has been successfully used in the production of MK-0417 as excellent chiral catalyst by Merck company.

在该反应中氨基醇类配体原位与硼烷配位形成的手性恶唑硼烷是该反应的良好催化剂，其中Corey等发明的由脯氨酸出发制备的稠环手性催化剂性能优异，已经在Merck公司生产碳酸酐酶抑制剂MK-0417中得到成功应用。

Adopting a mass of 5.9M⊙ for the B star, we derive a mass of ~(3.6±0.7)M⊙ for the F star.

我们的数据支持：伴星质量约5.9个太阳，主星质量约3.6±0.7个太阳。

from dividends paid by one or more companies, being residents of the People's Republic of China, more than 25 per cent of the capital of which is owned by the first-mentioned company, which themselves derive their receipts exclusively or almost exclusively from one of the following activities carried on in the People's Republic of China: producing or selling goods or merchandise, giving technical advice or rendering engineering services, or doing banking or insurance business.

一个或几个中华人民共和国居民的公司支付的股息，该公司百分之二十五以上的资本属于本款最初提及的公司，而且其所得又全部或几乎全部来自在中华人民共和国从事制造或出售物资或商品，技术咨询或技术服务，银行或保险业的活动。

Her exotic good looks may derive from her mixed ancestry which is Czech, French-Canadian, Iroquois and English.

她异常美丽的容貌可能来自她的混合血统，其中包括：捷克人、法裔加拿大人、伊洛魁人和英国人的血统。

Her exotic good looks may derive from her mixed ancestry which is Czech French-Canadian Iroquois and English.

她异常漂亮的容貌可能来自她的混合血统，其中包括：捷克人、法裔加拿大人、伊洛魁人和英国人的血统。

Today most Greyhounds derive from the British form.

今天最灰狗来自英国的形式。

He chooses the fairest place and middle of any wall, or panel, wherein to draw a picture, which he finishes with his utmost care and art, and the vacuity about it he fills with grotesques, which are odd fantastic figures without any grace but what they derive from their variety, and the extravagance of their shapes.

他选取最合适的地方和墙壁或饰板的中央，倾其心力和艺术在那里作画，而以异形装饰补充空虚之处。异形是各种奇异怪诞的一点也不优雅的形象，这得自它们的多样性和它们样子的放肆。

He chooses the fairest place and middle of any wall or panel wherein to draw a picture which he finishes with his utmost care and art and the vacuity about it he fills with grotesques which are odd fantastic figures without any grace but what they derive from their variety and the extravagance of their shapes.

他选取最合适的地方和墙壁或饰板的中心，倾其心力和艺术在那里作画，而以异形装饰补充空虚之处。异形是各种奇特怪诞的一点也不优雅的形象，这得自它们的多样性和它们样子的放肆。

A Landsat 7 ETM(superscript +) image of Nanjing was used to derive normalized difference vegetation index after atmospheric correction. Regressed NDVI with VFC from ground measurement, linear, quadratic, cubic, and quartic polynomial models were established.

文章选用南京市一幅Landsat7ETM图像，经大气校正后提取了归一化植被指数，与地面实测的植被覆盖度进行回归分析，建立了1~4次多项式关系模型。

The genre's originator and most noteworthy exponent was the Dutch painter Pieter van Laer (1599-1642); the word derive s from his nickname, Il Bamboccio ("Little Clumsy One," reflecting his physical deformity).

范拉埃(Pieter van Laer，1599～1642)是此题材的创始人及最重要的代表。Bambocciati这一名称来自他的诨号&Il Bamboccio&，反映出他生理上的缺陷。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。