• 结果:所合成两个d合成子光学纯度

    RESULTS: The two novel D ring synthons are of high optical purity.

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  • 然后再A合成子偶联、关环、脱保护完成目标产物的全合成

    Then coupling with A ring synthon, closing, deprotection, the aim product was synthesized finally.

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  • 现存用来构建这些重要合成生物的方法中,金属促进的羰基化合物烯丙基化和丙基化最容易方便的。

    Among the existing means to construct these synthetically and biologically important molecules, metal-mediated allylation and propargylation is one of the easiest and most convenient.

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  • 光学取代氨基酸一类非天然的手氨基酸合成子药物植物保护剂精细化学品合成中具有极为广阔的应用前景

    Optically pure silicon containing amino acids are unnatural amino acids synthons and have broad applications in the synthesis of many drugs, plant protectants and fine chemicals.

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  • 叙述了光学活性甘油醇及其衍生物C3合成合成方法,以及这些手性化合物不对称有机合成中的应用参考文献24篇。

    The synthetic methods for such chiral C3 synthons as optically active glycerol and derivatives, which are widely used in asymmetric synthesis, were reviewed with 24 references.

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  • 但是通过非生物过程合成的,也就是涉及微生物那些和左撇数量相等

    But the ones synthesized through abiotic processes, which is to say not involving microorganisms, occur in equal numbers of right- and left-handed.

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  • 为了论证这一新讲述,Bornhop博士同事人工合成含有GM 1这一小蛋白质细胞膜

    To test their new technique Dr Bornhop and his colleagues made synthetic membranes containing a small protein called GM1.

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  • 然后缩减过程中节点所有任务结果输出就是任务的结果。

    In the Reduce process, the master node then takes the answers of all the sub-tasks and combines them to get the output, which is the result of the original task.

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  • 然后还有中微WZ波色,类电的μ和τ粒还有胶——作用是将夸克合成团。

    Then there are neutrinos, W and Z bosons, the electron-like muon and tau particles, and gluonswhich hold quarks together in groups.

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  • 污秽合成绝缘酸雾电压随污秽程度增大降低,随雾水电导率增加而降低。

    The flashover voltage of polluted composite insulators is decreased with increase of SDD and the fog conductivity in acid fog and salt fog.

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  • 据此幅值个随机相位谱,并包络函数结合,合成一个震时

    A time history is synthesized from this amplitude spectrum and a random phase spectrum, combined with an envelope function.

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  • 目的改进没食正丁合成工艺

    Objective: To improve the synthesis technology of n-butyl gallate.

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  • 方法:四种药物通过酯化、酰胺反应由不同连接合成酰胺类混合互联体前药。

    Methods: Amide and mix-type bonds compounds were synthesized by conjugated the amino groups and acid groups with hydroxyl or acid links.

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  • 考察了添加诱导紫杉醇合成前体物对红豆杉细胞生长和脱氢酶活力影响

    The effect of elicitor and other precursors for the synthesis of taxol on both the growth and activity of dehydrogenase of yew cells was studied.

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  • 车座合成纤维面颊了,发出了种陈年幽香。

    The synthetic fabric of the car seat, warmed by his cheek, confided to him an ancient distant scent of vanilla.

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  • 该文讨论合成孔径雷达实时成像处理器,采用孔径滤波成像处理方法方位预处理设计,构造了一种大规模可编程逻辑器件实现方位预处理的电路结构。

    This paper describes the design and realization of the azimuth preprocess in the real-time imaging processor of SAR with programmable logic device by the method of sub-aperture using band-pass filter.

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  • 利用光束合成孔径系统通过控制孔径系统发射光束的相位可以实现光束的快速瞄准跟踪合成

    The beams pointing, tracking and combining can be realized quickly by means of the phase control of the synthetic aperture system.

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  • 研究表明合成条件晶化温度时间有机模板剂类型组成等,都SAPO - 11合成有很大影响

    The study indicates that synthetic conditions such as crystallization temperature and time, the type and composition of organic templates, could effect on SAPO-11 molecular sieves synthesis greatly.

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  • 介绍试验结果对研究合成绝缘机理制订合成绝缘的污闪试验方法标准有参考意义。

    The research work stated in this paper provided basis for enacting of pollution test method and further investigations of pollution flashover mechanism of synthetic insulators.

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  • 介绍了SAPO - 18合成结构组成酸性表征及其催化甲醇制烯烃(MTO)反应中应用最新研究情况。

    Latest researches in SAPO-18 molecular sieve were reviewed with respect to its synthesis, structure, acidity and application in methanol-to-olefins (MTO) process.

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  • 但是高频带并不是通过2-D高通滤波原始图像而是通过原始图像合成的低通相减得到

    However, the HF subband is created by subtracting the synthesized LF subband from original image but not by 2-D high-pass filtering original image.

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  • 通过研究合成绝缘不同区段电场大小时间变化态势合成绝缘各自闪络路径进行预测。

    By studying the electric field changes and the trend with time of different sections of composite insulators, each composite insulator flashover path is predicted.

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  • 采用水热合成新型多孔材料MCM - 22将其用于丁烯齐聚反应

    MCM-22 zeolite was synthesized under stirring by hydrothermal method and used as the catalyst for butene oligomerization.

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  • 文章通过试验探索合成绝缘不明原因闪络原因。

    Through experiments the reason of unidentified flashover of composite insulators is seeked in this paper.

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  • 采用水热法合成孔径硅磷酸筛(SAPO-5),通过试验确定了SAPO-5分最佳合成条件

    The silicoaluminophosphate molecular sieve(SAPO-5) with relative bigger pore diameter was synthesized hydrothermally and the optimum synthesis condition was determined through experiments.

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  • 目的考察真菌诱导人参毛状生长人参皂苷生物合成影响

    Objective: to study influence of fungal elicitors on the biomass and ginseng saponin biosynthesis of hairy roots of Panax ginseng (HRPG).

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  • 含有编码色氨酸合成基因操纵

    Operon containing genes coding for the synthesis of tryptophan.

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  • 含有编码色氨酸合成基因操纵

    Operon containing genes coding for the synthesis of tryptophan.

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