lone electron pair是什么意思

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用法例句

Non-covalent bond based self-assembly organic functional materials;

非共价键自组装有机功能材料

The development of photoluminescent materials was reviewed in thisdissertation, and we designed a novel non-covalent bond self-assembled “molecularduplex” with photoluminescent group.

本文综述了有机光致发光材料的研究现状,设计了一种新的非共价键自组装“分子双股”,通过酯基引入 1,8-萘酰亚胺发光片段对“分子双股”进行功能化。

Advances in noncovalent functionalization of carbon nanotube;

碳纳米管的非共价功能化研究进展

Electrospray Ionization Mass Spectrometry for the Study of Noncovalent Protein Complex;

蛋白质非共价化合物的电喷雾质谱研究

Influence factor and control measure on the preparation of molecular template polymer by non-covalence method were reviewed concisely.

扼要概述了非共价法制备分子模板聚合物的影响因素及控制措施。

The solving method for main cutting edge and grinding principle for flank of non coaxial helical micro drill point is described.

根据深微孔加工的特点，阐述了研究钻削深微孔用新型钻尖的重要性；建立了新型钻尖（非共轴螺旋面钻尖）后刀面和前刀面的数学模型；介绍了主切削刃的求解方法以及非共轴螺旋面钻尖后刀面的刃磨原理；得到了给定刃磨参数下钻尖的计算机仿真结果。

According to the mathematical models for flank and flute of new drill (drill point termed the non coaxial helical drill point), formulae for cutting angles of the cutting lip and chisel edge and for heel clearance angle are deduced based on their defintions.

根据钻头主刃和横刃上各种工作角度及后刀面尾隙角的定义 ,由新型钻尖 (非共轴螺旋面钻尖 )的后刀面模型和前刀面模型推导出了各种角度的公式 ,为利用软件进行新型钻尖的 CAD系统开发提供了基

Objective: To provide theoretical basis for the selection of funding projects, by distinguishing controversial projects through analyzing controversial projects in the evaluation system on natural science foundation.

目的 :对自然科学基金项目评审体系中项目的非共识性进行分析 ,鉴别出非共识性项目 ,为资助项目的遴选提供理论依据。