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asymmetric相关的网络例句

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与 asymmetric 相关的网络例句 [注:此内容来源于网络,仅供参考]

The asymmetric unit is expected to contain two dimers with solvent content of 53%.

晶胞不对称单元内估计含有一个二聚体,溶剂含量为53%。

This reflects the asymmetric polarization of defect dipoles and coupling interaction of defect dipoles with domain walls.

这些有趣的发现反应了缺陷偶极子的非对称性取向极化和酬壁与缺陷偶极子的耦合作用。

That is, the difference of tie strength is significant between the social networks which resource flow with mutual dyads or with asymmetric dyads.

不同资源流向的社会网络,它们的关系强度是不同的,即资源二元非对称流动的社会网其关系强度和资源二元对称流动的社会网关系强度,它们的差异是显著的。

BCBBs are designed for not only symmetric linear arrays but also asymmetric linear arrays, are arrays and circle arrays. The BCBBs designed are tested by LFM signals, and the results show that the BCBBs achieve good quality. The word length of the filter efficients are studied from the view of engineering implementation. It is shown that using 8 bits can satisfy the requirement. Multi-beam BCBBs with 2 degree beamwidth in two octave and 1/3 octave frequency band are designed and tested for a specified array.

设计好的宽带恒定束宽波束形成器用线性调频信号进行了检验,证明了其正确性;从工程实际的角度出发,研究了滤波器系数字长对系统性能的影响,研究表明采用8位的滤波器可以满足要求;结合实际课题,在深入分析阵形结构特征的基础上,分别设计了倍频程和1/3倍频程多波束宽带恒定束宽波束形成器,并通过线性调频信号进行了验证,为其工程实现打下了良好的基础。

Two approaches for the asymmetric syntheses of naturally occuring eudesmane-type triol kudtriol and 5-epi-kudtriol as well as their C-11 epimers were achieved starting from-dihydrocarvone through six and seven steps, respectively.

以-二氢香芹酮为原料,用两条合成路线分别经六、七步反应完成了三羟基桉烷类天然产物Kudtriol、5-epi-Kudtriol及它们的C-11位差向异构体的不对称全合成。

On the basis of our preceding work. the asymmetric ring-opening reaction of epoxides using dithiophosphorus acids as nucleophiles was further studied.

在本课题组已有工作的基础上,我们对磷试剂参与的环氧化合物的不对称开环反应进行了进一步的研究。

This method had been applied to determination of the optical purity of the product from asymmetric ring opening of meso- epoxides.

方法已用于非手性环氧化合物不对称开环反应产物β-氨基醇及β-羟基硫醚类化合物的光学纯度鉴定。

Chiral epoxides produced by alkene epoxidation are extremely useful building blocks for asymmetric synthesis.

碳碳双键经不对称环氧化得到的光学活性环氧化物是一类重要的手性元,可以合成许多有价值的手性化合物。

In the asymmetric epoxidation of cis-β-methylstyrene, the selectivity and enantiometric excess for the epoxides reached 96% and 78%, respectively. The recyclability of the catalyst was also studied.

结果表明,该配合物对顺-β-甲基苯乙烯的不对称环氧化反应具有很好的催化性能,产物选择性达96%,ee值达78%,以顺-β-甲基苯乙烯为底物,m-CPBA为氧化剂,考察了该配合物催化剂的循环使用性能。

The existence of the three above-mentioned insurance excess, which the insurance companies charge premiums and the risk is very asymmetric, and greatly increased the burden on consumers purchase.

上述三种保险过度情况的存在,使得保险公司收取的保费与其承担的风险显得极不对称,并且大大增加了购房消费者的负担。

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