查询词典 planetary electron

The weak base anion exchange resin with covalent bond side chains which contain donator atom N offering unshared electron pairs, is able to form a coordinative covalent bond to heavy metal in which unsaturated vacant orbits exist in its electron shells.

在天然淡水水体的环境下，重金属被树脂吸附源于树脂胺基官能团上的N原子有孤对电子，水中所含重金属的价电子层有空轨道。

Acting as an antenna molecule in the supramolecular system, Mg(superscript 2+)-HA remarkably enhances the photoinduced electron transfer efficiency between C60 and an electron donor, N, N-dimethylaniline.

作为超分子体系中的光捕获分子，Mg(上标 2+)-HA能显著地提高C60与N，N-二甲基苯胺的光诱导电子转移反应效率，生成的C60负离子自由基的电子自旋共振光谱信号强度比未加入Mg(上标 2+)-HA时增强了9倍左右。

This research work has an emphasis on the transformations of the weldments microstructure by the means of the scanning electron microscope, and the transmission electron microscope, both before and after the service of the inner cover of the austenitic stainless steels under the ultrahigh temperature. Its service behavior under the ultrahigh temperature status is also analyzed. This study provides reliable information for the industrial production and a valuable reference for further theoretical investigations.

本工作侧重于研究奥氏体耐热不锈钢内罩在高温服役前后，其接头焊缝组织中发生的转变，应用扫描电子显微技术和透射电子显微技术等手段，对焊缝显微组织进行研究，分析它在超高温条件下的服役行为，为工业生产部门提供可靠的信息，为进一步的理论研究提供一点参考价值。

Under the same conditions, activity of thiolphenol is much lower than that of thiols. An electron withdrawing group on the benzene ring can decrease the reaction activity, but an electron donating group on the aliphatic compound can increase it.

在相同的反应条件下，苯硫酚的反应活性明显低于硫醇的反应活性；巯基化合物中吸电子基团会使反应活性降低，而推电子基团会使反应活性提高。

The spectroscopic properties (λ〓〓,λ〓〓,φ,τ, k〓, k〓) of 〓 were also measured. It was found that the energies of absorption and emission maximum is red-shifted for both electron-withdrawing and electron-donating substituents compared to that of parent 〓 complex.

发现无论X是吸电子取代基还是给电子取代基，配合物的吸收峰和发射峰与母体化合物〓相比均向红移；常温下，具有吸电子基的配合物与具有给电子基的配合物相比，有较高的发光量子产率和长的激发态寿命。

After the exposure, the retinas were examined with light and electron microscope. results: under light microscope, irregular nucleoplasm and unclear border of nucleus in the ganglion cell layer were found in the experimental groups of 2 h, 12 h and 24 h. these changes were also found in the inner nucleus layer. under the electron microscope, swollen mitochondria and vacuolized endoplasmic reticulums were found in all the layers of retina in the groups of 2 h, 12 h and 24 h, most obvious in the group of 24 h. in the group of 72 h, only lightly swollen mitochondria and dilated endoplasmic reticulums were found in the ganglion cell layer of retina.

结果： 光镜：实验组中2，12及24 h组均可见视网膜神经节细胞层内细胞核出现核质不均匀，核边界不清，内核层细胞核也有同样改变；电镜：实验组中2，12及24 h组视网膜各层均出现线粒体肿大，内质网空泡样变，以24 h组最为严重，72 h组仅见视网膜神经节细胞层出现轻度线粒体肿大，内质网扩张。

The third term is the sum of the electron-electron Coulombic repulsions.

这是一条翻译中的条目。

The third term is the sum of the electron-electron Coulombic repulsions.

后者通常还包括一个原子核的动能算符项。

Electron transfer reaction between the radical cations of purine nucleotides and some aromatic amino acids was studied by use of pulse radiolytic techniques. Time-resolved spectroscopic evidence revealed that the one-electron-oxidized radicals of dAMP and dGMP can be efficiently repaired by tyrosine and tryptophan.

鉴于在DNA光敏损伤过程中主要生成嘌呤碱基阳离子自由基，利用脉冲辐解技术研究了嘌呤碱基阳离子自由基与部分芳香氨基酸的相互作用，获得了酪氨酸和色氨酸对单电子氧化的dAMP和dGMP经快速电子转移修复的瞬态吸收光谱证据。

Where may make mistake: This the electron is voting answering it is a few easier to let a thing become, but increased plan ticket difficulty however actually, the reason is an electron those who poll is comfortable degree mean partner to be able to poll for many times, bring cramped of more true and false voting result.

何处可能出错：电子投票本应让事情变得轻易一些，但实际上却提高了计票难度，原因是电子投票的宽松度意味着股东可以多次投票，带来更多真假难辨的投票结果。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。