RESULTS The C13 side chain of the taxol was obtained with the chemical yield of 52% and e.e. of 99%. Total yield of taxol was 30%, and e.e.

  • 结果获得了高光学纯度的紫杉醇C13侧链(化学产率52%,光学纯度99%),紫杉醇的总产率为30%,光学纯度为99%。
  • 来源:互联网摘选更新时间:2026-07-13 01:13:25

  • 重点词汇
  • ofprep. 关于;属于…的;由…制成;
  • wasv. 用来表示某人或某物即主语本身,用来表示某人或某物属于某一群体或有某种性质( be的过去式 );在,存在;不受干扰;
  • chemicaladj.化学的;化学反应的;用化学方法生成的;
  • en. 英语字母表的第5个字母;C大调音阶中的第三音;
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • chainn.链条;手铐;约束;一连串;连锁店;
  • yieldv.产生;屈服,让步;放弃;让路;
  • with the与...;
  • 相关例句
1、

At this point, to this designer, C11, C12, and C13 are architectural constructs ( or components); each of them has explicitly defined external interfaces.

此时,对设计人员来说,C11、C12和C13是体系结构构造(或组件);其中每个构造具有显式定义的外部接口。

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2、

To the designer, C11, C12, and C13 are the architecture of software component C1, and the constructs need further elaboration and design to address their internal implementations.

对设计人员来说,C11、C12和C13是软件组件C1的体系结构,并且这些构造需要进一步的改进和设计,以处理它们的内部实现。

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3、

You can do a mileage retro claim at counter C13, that is the Sky Pearl Service Counter, or check your mileage account there.

您可以在C13明珠服务柜台进行里程补登,或者查询您的里程累计情况。

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4、

Structure of HACC was characterized by infrared spectrum and C13 NMR £-and it is proved that substitution reaction mainly occurs on the-N element.

通过红外光谱、核磁共振谱对结构进行表征,IR谱图分析证实以N上取代为主。

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5、

While these findings were not surprising, the high levels of C13 in the L.emarginatus ant species, certainly was, given that they live close to humans.

这样的结果并不那么两人吃惊,L.emarginatus蚂蚁体内含C13也多,因为它们生活的最靠近人类。

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6、

This article puts forward the design of an experimental circuit based on the high precision of the potential difference for calibrating electric meter Series C13 as a reasonable solution for increased accuracy.

利用电位差计的高精度,设计出合理的实验电路对C31型电表进行校准,使得电表的准确度等级得以提高。

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7、

The clonogenic rate of C13 cells after DDP or TSA+ DDP treatment was determined by clonogenic test.

克隆形成实验分别检测DDP、TSA+DDP处理C13的克隆形成率;

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8、

The results showed that F1 and C14 promoted fruit expansion, and advanced flesh soluble sugar content and ratio of sugar and acid or Vitamin C content. Moreover, Neither of them lead to ( decrease) of flesh firmness and soluble solid content.

结果表明,F1和C14既促进了果实膨大,又提高了果肉可溶性糖含量和糖/酸比值或Vc含量,而且二者均未引起果肉硬度与可溶性固形物含量的降低;

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9、

Based on the field investigations and C14 datings of 25 specimens, the problems about the division and correlation of the Late Quaternary stratigraphy and the recent tectonic movement in the region of the Luanhe River Delta were discussed.

本文根据滦河三角洲地区野外调查和25个样品的C~(14)年代测定结果,讨论了第四纪地层划分和对比以及近代构造运动。

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10、

C14 Laves phase also works as an electrochemical catalyst for the V base solid solution phase, which enhances the use of V base solid solution phase to make electrochemical properties of Ti-V base multiphase hydrogen storage electrode alloys preferable.

因此,该合金中,Laves相既是吸氢相又是催化相,提高合金中V基固溶体相的利用率,从而使Ti-V基贮氢合金具有较好的综合电化学性能。

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11、

The results indicate that the microstructure of the AB_2 alloy is composed of main C15 Laves phase with cubic structure, the minor C14 Laves phase with hexagonal crystal structure and non-Laves phases.

结果表明,AB2型合金是以立方结构的Laves相C15为主相,其中有少量六方结构的Laves相C14和非Laves相。

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12、

The potency and the number of type I colony decreased after subculture. The high yielding property of C14 strain is not stable, and the C14 strain also needs natural selecting and further improving.

C14变株经传代后1型菌落减少,生产能力下降,其高产性状不稳定,需不断自然分离,进一步提高效价。

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13、

Polyunsaturated fatty acid and C14~ C18 saturated fatty acid are predominant, suggesting that plankton is the main source of POM in the Daya Bay.

而主要来源于浮游生物的C14、C16、C18饱和一元酸及多不饱和脂肪酸含量占总脂肪酸含量的百分比较高,表明浮游生物对大亚湾POM有较大贡献。

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14、

The phthalic C14 mono ester were prepared by the reaction of tetradecanol with phthalic anhydride in cyclohexane, and sodium phthalate.

以环己烷为溶剂,合成了邻苯二甲酸单十四醇酯,并对反应时间、催化剂及用量、原料配比诸因素进行了考察。

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15、

ECAs of vitamin E acetate on saturated fatty acids were present in order C14> C17> 0> C18> C16.

维生素E醋酸酯对饱和脂肪酸效用系数大小依次为:C14>C17>0>C18>C16。

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16、

Results indicate that the average molecular weight of the petroleum acids is about 490. The C14~ C16 components cover nearly 50% in total petroleum acids.

结果表明,孤岛原油中石油羧酸平均相对分子质量在490左右,脂肪酸中C14~16成分占50%以上;

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17、

The geological cause of the mixed layer and its distributing characters are defined by spore pollen analysis, scanning electron microscope and C14 isotope test in this paper.

根据孢粉、扫描电子显微镜、C14检测数据和前人的资料,确定了腐木淤泥混合土的成因环境和分布特征。

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18、

The change of amount solubilized may be explained in terms of the aggregation numbers of C14 BE micelle decreased in the presence of PVP.

PVP的存在未能改变苯甲醇的增溶位置,且使胶束的增溶量呈现减少趋势。

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19、

Results show that all the alloys consist of a V-based solid solution main phase with bcc structure and a C14 laves secondary phase with hexagonal structure.

结果表明,当无La替代时,合金主要含有BCC结构的固溶体相以及少量Laves相。

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20、

The results show that these alloys are composed of C14 Laves phase matrix with hexagonal structure and C15 Laves second phase with cubic structure.

结果表明,合金均由六方结构的C14型Laves主相和立方结构的C15型Laves第二相构成;

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