结果：所合成的两个手性d环合成子光学纯度高。
RESULTS: The two novel D ring synthons are of high optical purity.
然后再与A环合成子偶联、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.
在现存的用来构建这些重要的合成子和生物分子的方法中，金属促进的羰基化合物烯丙基化和炔丙基化是最容易和最方便的。
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.
光学纯的硅取代氨基酸是一类非天然的手性氨基酸合成子，在药物、植物保护剂和精细化学品的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.
叙述了光学活性甘油醇及其衍生物等手性C3合成子的合成方法，以及这些手性化合物在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.
但是通过非生物过程合成的，也就是不涉及微生物的那些，在右撇子和左撇子中数量是相等的。
But the ones synthesized through abiotic processes, which is to say not involving microorganisms, occur in equal numbers of right- and left-handed.
为了论证这一新讲述，Bornhop博士和他的同事人工合成了含有GM 1这一小分子蛋白质的细胞膜。
To test their new technique Dr Bornhop and his colleagues made synthetic membranes containing a small protein called GM1.
然后，在缩减过程中，主节点把所有子任务的结果组合成输出，这就是原任务的结果。
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.
然后还有中微子，W和Z波色子，类电子的μ粒子和τ粒子，还有胶子——它的作用是将夸克聚合成团。
Then there are neutrinos, W and Z bosons, the electron-like muon and tau particles, and gluons—which hold quarks together in groups.
污秽合成绝缘子在酸雾、盐雾中闪络电压随污秽程度的增大而降低，随雾水电导率的增加而降低。
The flashover voltage of polluted composite insulators is decreased with increase of SDD and the fog conductivity in acid fog and salt fog.
据此幅值谱和一个随机相位谱，并与一个时程包络函数结合，合成一个子震时程。
A time history is synthesized from this amplitude spectrum and a random phase spectrum, combined with an envelope function.
目的：改进没食子酸正丁酯的合成工艺。
Objective: To improve the synthesis technology of n-butyl gallate.
方法：四种药物通过酯化、酰胺反应由不同的连接子合成酰胺类和混合键类互联体前药。
Methods: Amide and mix-type bonds compounds were synthesized by conjugated the amino groups and acid groups with hydroxyl or acid links.
考察了添加诱导子和紫杉醇合成前体物对红豆杉细胞的生长和脱氢酶活力的影响。
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.
车座的合成纤维而子被他的面颊焐热了，发出了一种陈年香子兰的幽香。
The synthetic fabric of the car seat, warmed by his cheek, confided to him an ancient distant scent of vanilla.
该文讨论了在合成孔径雷达实时成像处理器中，采用子孔径带通滤波成像处理方法的方位预处理的设计，构造了一种用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.
利用光束的合成孔径系统，通过控制子孔径系统发射光束的相位，可以实现光束的快速瞄准、跟踪及合成。
The beams pointing, tracking and combining can be realized quickly by means of the phase control of the synthetic aperture system.
研究表明，合成条件，如晶化温度和时间、有机模板剂的类型和组成等，都对SAPO - 11分子筛的合成有很大影响。
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.
所介绍的试验结果对研究合成绝缘子的污闪机理和制订合成绝缘子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.
介绍了SAPO - 18分子筛的合成、结构组成、酸性表征及其在催化甲醇制烯烃(MTO)反应中应用的最新研究情况。
Latest researches in SAPO-18 molecular sieve were reviewed with respect to its synthesis, structure, acidity and application in methanol-to-olefins (MTO) process.
但是，高频子带并不是通过2-D高通滤波原始图像，而是通过原始图像与合成的低通子带相减得到的。
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.
通过研究合成绝缘子不同区段电场大小和随时间变化的态势，对合成绝缘子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.
采用水热法合成了新型多孔材料MCM - 22分子筛，并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.
文章通过试验探索了合成绝缘子“不明原因”闪络的原因。
Through experiments the reason of unidentified flashover of composite insulators is seeked in this paper.
采用水热法合成大孔径硅磷酸铝分子筛（SAPO-5），并通过试验确定了SAPO-5分子筛的最佳合成条件。
The silicoaluminophosphate molecular sieve(SAPO-5) with relative bigger pore diameter was synthesized hydrothermally and the optimum synthesis condition was determined through experiments.
目的：考察真菌诱导子对人参毛状根的生长和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).
含有编码色氨酸合成酶基因的操纵子。
Operon containing genes coding for the synthesis of tryptophan.
含有编码色氨酸合成酶基因的操纵子。
Operon containing genes coding for the synthesis of tryptophan.
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