natric horizon

用法例句

Separation of vindoline and catharanthine from catharanthus roseus by pH gradient extraction and alkaline aluminum oxide column chromatography

pH梯度萃取-碱性氧化铝柱层析分离长春花中的文多灵和长春质碱

Relationship between salinization and alkalization of sodic soil in Da an City;

吉林省大安市苏打碱土盐化与碱化的关系

Studies on the increasing of pH value and alkalization of seashore saline soil during its desalting in Liaodong Peninsula;

辽东半岛滨海盐土脱盐过程中pH上升及碱化问题探讨

Using five kinds of different alkalized conditions in the experiment, the result showed that alkalization by strong ammonia was the best condition and obtained the highest rate of alkaloids.

在实验中采用五种不同的磁化条件，结果证明以浓氨水进行碱化为最佳条件，生物减收率最高。

Separation of vindoline and catharanthine from catharanthus roseus by pH gradient extraction and alkaline aluminum oxide column chromatography

pH梯度萃取-碱性氧化铝柱层析分离长春花中的文多灵和长春质碱

Process Optimization for Simultaneous Purification of PC and PE by Alumina Column Chromatography;

氧化铝柱层析分离纯化磷脂的工艺优化

Purification of solanesol by alumina decoloration-medium pressure column chromatography

氧化铝脱色-中压柱层析纯化茄尼醇的工艺

The crude products were purified by neutral alumina column Chromatography with dichloromethane containing pyridine as eluent.

用中性氧化铝柱层析法对粗产物进行分离提纯,用含一定量吡啶的二氯甲烷溶液作为洗脱剂。

Properties of APS alumina coating with different alumina particle distributions as feedstock

不同氧化铝粉末等离子喷涂氧化铝涂层的性能

Synthesis and Catalytic Oxidation Properties of Molybdenum Disulfide Composites Pillared by Hydroxy-Al Oligocations;

铝柱撑二硫化钼的制备及其催化氧化性能

Study on the Acidity and Basicity of the Surface on the Mixed Complex Oxides of Zinc-Aluminium

锌铝复合氧化物的制备及表面酸碱性的研究

Analysis on Microstructure and Phase Structure of Al_2O_3 Ceramic Coating

氧化铝陶瓷涂层的组织与相结构分析

Fragility of Hard Anodized Film of Al and Its alloys and Countemeasures;

铝及铝合金硬质阳极氧化膜层的脆性及其对策

Synthesis and Catalytic Oxidation Preporties of Titania Pillared Zirconium Phosphonate

氧化钛层柱磷酸锆的合成及催化氧化性能

Research on Coating Technique of γ-Al_2O_3 Based Ceramic Washcoat on FeCrAl Metallic Substrate;

金属载体的活性氧化铝涂层工艺研究

Research for High Temperature Oxidation Properties of Aluminized Coating on K4104 Superalloy;

K4104合金渗铝涂层抗高温氧化性能研究

Micro-arc Oxidation of Aluminum Alloys Coloring and Performance of Film Research

铝合金微弧氧化着色及膜层性能研究

Properties of alumina washcoat doped with CeO_2

掺杂CeO_2氧化铝涂层的性能研究

Influence of Aluminum Oxide Buffer Layer on the Properties of ZnO Thin Film

氧化铝缓冲层对ZnO薄膜性质的影响

Study on Separation and Purification of Total Alkaloids from Fritillaria ussuriensis Maxim by Silica Gel Column Chromatography

利用硅胶柱层析分离纯化平贝总碱的研究

Study on Properties of ZrO_2-Al_2O_3 Laminated Ceramics;

氧化锆—氧化铝层状复合陶瓷的性能研究

Studies of Microstructure and Properties of Oxidized Layer Formed on Aluminium Alloy by Plasma Oxidation;

铝合金的等离子体氧化及其氧化层性能的研究