dhb

Atomic lenses using dhb ( dark hollow beam ) and its focusing of material wave

原子物质波的聚焦及其原子透镜

Failure Analysis for Bellows of DHB Compensator

DHB型补偿器波纹管开裂失效分析

Synthesis of DHB by hydrogenation of ortho - nitrochlorobenzene is studied in this paper .

本文通过邻硝基氯苯加氢的方法合成DHB。

This method has been applied to the direct determination of DHB isomers in water sample , and the recovery was from 97 % to 104 % .

L-1.将此方法用于模拟废水中苯二酚的检测，回收率为97%～104%。

Experiments were performed using polypeptide as analyte and2,5-dihydroxybenzoic acid ( DHB ) and sinapic acid as matrices .

以2，5-二羟基苯甲酸（DHB）和芥子酸为基质，对多肽生物样品进行了实验研究。

In the presence of catalyst , UV-1009 , a high molecular weight ultraviolet absorbent , was synthesized from TEPIC , higher fatty acids and DHB as the raw materials in two stages of reactions .

从TEPIC（异氰尿酸三环氧丙酯）和高级脂肪酸及DHB（2，4二羟基二苯甲酮）为原料，在催化剂作用下，分步反应合成高分子量紫外线吸收剂UV&1009。

The simplest normal forms of the non-resonant double Hopf bifurcation ( DHB ) with parameter are obtained without truncating the original differential equation , i.e.the perturbation parameter of the system is treated as one-dimensional state variable .

将参数视为状态变量，在不截断的情况下，研究了非共振含参双Hopf分叉系统的最简规范形。