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- alumina on silica [机] 硅石上氧化铝
- The catalytic activity of gallium sulfate supported on silica gel in synthesizing isoamyl hexanoate was studied. 采用自制的硅胶固载硫酸镓为催化剂合成了己酸异戊酯。
- The adsorption isotherm of neptunium on silica gel corresponds to the form of Langmuir isotherm. 三种价态的镎的吸附规律符合Langmuir吸附等温线,镎在硅胶上的吸附属于单分子层吸附。
- A/S and KH were regarded as controlling parameters in industrial production of alumina on the basis of phase diagram and following industrial production of cement. 本文根据相图及其仿照水泥工业生产,确定A/S和KH作为生产氧化铝工业控制指标。
- Objective To study the catalytic activity of gallium sulfate supported on silica gel in the synthesis of amyl hexanoate. 目的研究硅胶固载硫酸镓在合成己酸戊酯工艺中的催化性能。
- In this paper, coating and covalent bonding methods had been developed to immobilize liposomes on silica gel particles as ILC stationary phases for liquid chromatography. 本文以硅胶作为色谱基质，发展了涂敷法和共价键合法两种固定化脂质体的方法，并以此作为生物膜色谱固定相用于液相色谱研究。
- Volatile components were obtained from the stems and roots of Fibraurea recisa Pierre respectively by solvent extraction and eluted with petroleum ether on silica gel column. 通过溶剂法得到野生黄藤根和茎的挥发性成分,将该挥发性成分上硅胶柱,以石油醚完全洗脱,浓缩得浸膏;
- The experiments to remove "iron-rich thin layer" on silica sand surface by ultrasonic cleaning process designed on our own show a very satisfactory result. 摘要采用自行设计的试验装置进行了用超声波技术处理含“薄膜铁”石英砂的试验，得到较好的除铁效果。
- A 10% service charge is added on to the bill. 帐单上包括了百分之十的服务费。
- Don't scrape your feet on the floor. 别用脚蹭著地板。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- He reported on the whole event to the minister. 他把整个事件向部长做了汇报。
- She nestled her head on his shoulder. 她将头依偎在他的肩上。
- He tried to put a bold face on his failure. 他对自己的失败装出一副满不在乎的样子。
- He will come on time even though it rains. 即使下雨，他还是会准时来的。
- The children are playing on the swings in the park. 孩子们在公园里荡秋千。
- Her shoes chafed the skin on her feet. 鞋子擦破了她脚上的皮肤。
- A total of 20 compounds were isolated from the strain F121112 by the column chromatography on silica gel, RP-Cig and Sephadex LH-20, followed by reverse-phase high performance liquid chromatography. 采用生物活性跟踪分离的方法,通过硅胶柱层析、ODS C-18柱层析、Sephadex LH-20凝胶层析以及RP-HPLC等各种色谱技术,对F121112产生的生物活性物质进行分离纯化,得到了20个化合物。
- We must settle on a place to meet. 咱们得把见面的地点定下来。
- The terrible scene was engraved on his memory. 那可怕的情景铭记在他的记忆里。
