2h2o

Conclusion Iminodiacetic acid can be synthesized cleanly from diethanolamine with H2O2 catalyzed by Na2WO4 · 2H2O .

结论以双氧水为氧化剂，钨酸钠为催化剂可以实现亚氨基二乙酸的清洁合成。

The stability of the electrolyte in Na2H2Y · 2H2O and the rate of corrosion of zinc electrode in the electrolyte with different pH are studied in this paper .

本文研究了Na2H2Y·2H2O中结晶水的稳定性及金属锌在不同pH的电解质中的腐蚀。

Water-soluble yttrium fluoride was prepared for the first time thorough a solvothermal method employing KF · 2H2O as the fluoride source and ethanol as the solvent .

其次，以氟化钾为氟源，在乙醇溶剂热条件下制备了水溶性的氟化钇。

A series of undoped ZnO polycrystalline films were grown on Si substrates by thermal decomposition method with Zn ( CH3COO ) 2 · 2H2O as source at different substrate temperatures .

以Zn（CH3COO）2·2H2O为蒸发源，利用热蒸发分解法在Si衬底上沉积了多晶ZnO薄膜。

The deactivation of cobalt catalysts is due to the generation of COC2O4 · 2H2O . And the oxalate ions come from the catalyst and excessive oxidation of hydrocarbon .

钴催化剂失活的主要原因是生成了COC2O4·2H2O沉淀。草酸根的来源有二，分别是从催化剂带入的醋酸转化而来以及烃类过度氧化生成。

Three kinds of MgC2O4 · 2H2O were prepared by precipitation method with different raw materials , and MgO with high surface area was obtained via thermal decomposition of MgC2O4 · 2H2O in different atmospheres .

在溶液中采用不同的原料制备了三种前体MgC2O4·2H2O，经高温焙烧得到高比表面MgO。

The elemental compositions of the blue passivation films showed that the obtained passivation films in titanium solution consist of Zn4Si2O7 ( OH ) 2 · 2H2O , SiO2 , TiO2 and ZnO .

蓝色镀锌钝化膜表面成分分析的结果表明：钛盐溶液获得的钝化膜主要成分为Zn4Si2O7（OH）2.2H2O，SiO2，TiO2和ZnO等。

By means of adjusting synthetic parameters , for example , different synthetic temperature , adding soft templates SDS , etc , two kinds of precursors such as sphere-like and wire-like Eu2O ( CO3 ) 2H2O were obtained respectively .

通过改变溶剂、软模板SDS的加入等合成条件分别得到了球状和线状Eu2O（CO3）2H2O前驱物。

Precursor Li3PO4 · 1 / 2H2O and Fe3 ( PO4 ) 2 · 8H2O were prepared by codeposition method . The powder was very small ( about 10 μ m ) and mixed well .

用共沉淀法制备了前驱体Li3PO4·1/2H2O和Fe3（PO4）2·8H2O，粉体细小，一般为10微米左右，混合均匀。

The electronic absorption spectrum of the spherocrystal of bellingerite 3Cu ( IO3 ) _2 · 2H2O , was measured , two strong absorption bands appeared at 9140 cm ~ ( - 1 ) and 15250 cm ~ ( - 1 ) .

本文测定了3Cu（IO3）2·2H2O球晶的电子吸收光谱，吸收峰位于9140cm~（-1）和15250cm~（-1）。