tetraborate的音标

According to low solubility of potassium pentaborate in water solution, the rules of reaction in water including potassium hydroxide and boric acid, potassium carbonate and boric acid, and potassium tetraborate and boric acid, were obtained.

利用五硼酸钾在水溶液中溶解度小的特点，获得用不同物质的量配比的氢氧化钾与硼酸、碳酸钾与硼酸、四硼酸钾与硼酸在水溶液反应制取五硼酸钾的规律；

The density ρ and surface tension γ of lithium tetraborate melt have been systematically measured from 1100K up to about 1500K. The experimental results indicate that the melt density and surface tension decreased linearly with increasing temperature.

系统测量了四硼酸锂（Li2O-2B2O3）熔体的密度ρ、表面张力γ随着温度的变化规律，实验结果表明在1100K到1500K范围内Li2O-2B2O3高温熔体的密度和表面张力随着温度的升高均线性减小。

In the method, low temperature preoxidation treatments were carried out with NaNO 3, the mixture of lithium meta-borate and lithium tetraborate was used as the flux, and LiBr as the demoulding agent.

采用硝酸钠低温预氧化处理，以偏硼酸锂、四硼酸锂混合物作熔剂，溴化锂作玻璃片脱模剂。