氢氧化物

Through the orthogonal experiment, the optimum condition for tagatose synthesization was determined to be 0.02 mol/L calcium chloride, 30 min, acetum neutralization.

通过正交设计实验优化反应条件，最终确定以0.02 mol/L的CaCl2为催化剂，反应时间30 min，用醋酸中和金属氢氧化物D-塔格糖复合物时，D-塔格糖的产率最高，可达到49.05%。

Miniaturization of hydroxide of alkaline-earth metal and solubility of salt, flame reaction of alkaline-earth metal ions, separation and identify of alkaline-earth metal ions was investigated.

系统探讨碱土金属氢氧化物及其盐的溶解性、碱土金属元素的焰色反应、碱土金属离子的分离和鉴定等微型化实验，并将其设计成新的微型实验应用于无机化学实验教学，效果良

Aluminum hydroxide is a typical secondary school gender hydroxide, both acidic and alkaline.

氢氧化铝是中学阶段典型的两性氢氧化物，兼有酸性和碱性。

It contains formaldehyde, aluminum hydroxide, and 2-phenoxyethanol, a toxic chemical comparable to antifreeze.

包含了甲醛，铝的氢氧化物，以及2-含苯氧基乙醇，一种可以与防冻剂类比的有毒化学物质。

Multistep deposition process has been adopted in the preparation of superfine inorganic composite antibacterial powder, Ag~+ as crystal nucleus, packed outside by the hydroxid and phosphate precipitate of Ti and Zr elements etc., The optimal process conditions have been found from one-factor influence tests and multi-factor orthogonal test,and the optimal process conditions were: Ag iron was imported by silver ammine, and then 100ml Titanyl sulphate solution mixing with zirconium sulfate keep hot at 90 ℃ for 30 mins, and the Zr/Ti ratio is 0.15,and Na_2HPO_4 was added in the end.

超细无机复合抗菌粉体的制备采用以Ag~+沉淀物作为晶核，外包裹Ti、Zr等金属的氢氧化物沉淀和磷酸盐沉淀物的多步沉淀工艺，并利用单因素和正交试验法对制备工艺进行了优化，其最佳工艺条件是：Ag~+以银氨络合物引入，沉淀钛锆的反应时间为0.5h，反应温度为90℃，水解反应时体系总液量为100ml、Zr/Ti为0.15，沉淀物经水洗、干燥，于700℃煅烧4.0h；即得最终产品。

In this study, the mechanism of aqueous As adsorption on synthetical iron-aluminum hydroxide complex was investigated in view of the component, structure, and surface character of the adsorbent and the pH, component, and arsenate species of the solution.

从吸附剂的组成、结构、表面性质、溶液的酸度及砷的存在形式等方面探讨了复合铁铝氢氧化物Fe5Al2(OH21.nH2O对溶液中As的吸附。

It may also be absorbed by clay minerals and hydroxides of iron and manganese....

它也可以为粘土矿物和铁或锰的氢氧化物所吸附。

A source of calcium and hydroxide should be provided to avoid such conflicting operation conditions.

应提供钙和氢氧化物的来源，以避免这样的矛盾工作条件。

Phosphorus origins of phosphate concretions mainly include phosphor us of microrganisms′assimilation, reduction of Fe-hydroxide and degration of organic matter. Apatites form during early diagenesis.

磷结核的P的来源主要包括微生物富P，Fe氧化物、氢氧化物的还原以及有机质的降解等，各种来源的P在成岩作用过程中富集形成磷灰石。

It was demonstrated that glacial acetic acid could promote the transition from hydroxide to oxide and enhance the crystallization of product, which is consistent with the results in nano-MgO preparation by modified precipitation.

说明冰乙酸在此制备过程中的促进了由氢氧化物到氧化物的转变，有利于产物的晶化，这与修饰沉淀法制备纳米MgO中的结论是一致的。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。