硼的

Azomethine H Spectrophotometric Method for Determining Boron in Humic Fertilizer is described.

本文介绍了采用甲亚胺-H酸分光光度法分析腐植酸类肥料中元素的方法。

This is a summery of the synthesis, structure and reaction of borazine.

对环氮烷的合成、结构和反应进行了综述。

It was asserted that the ore is mainly composed of minerals of kurnakovite, inderite and pinnoite.

确定了矿的主要矿物组成为库水石、多水石及石。

By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled，and boron was finally determined by curcumin spectrophotometry after distillation.

同时，对所拟溶样条件下所得的分析结为全问题进行了进一步探讨，结证实，所拟溶样条件下的测定结为全。

Two new exocyclic ring-fused boron-dipyrromethene (BDP) dyes with benzo crown ether subunit at meso-position were prepared.Their spectroscopic and electrochemical properties were investigated.

本文报道了两种中位为苯并冠醚亚单元取代的含稠合外环的-二吡咯亚甲基染料的合成、光谱和电化学性质。

Thus, the boron-bearing rock system and the magnesian rocks are the foundation of the borate deposits, whereas regional metamorphism and migmatitization and tectonism are the necessary conditions.

含岩系、质容矿岩石矿形成的物质基础，区域变质及混合岩化作用、构造活动矿形成的必要条件。