经过

This dissertation deals with the synthetic method of benzotellurazoles containing various substituents in benzene nuclei: introducing tellurium atom to the acetanilide derivatives in ortho-position by direct or indirect ways, then reduced and cyclized to give substituted benzotellurazoles directly or indirectly.

本文系统研究了含各类取代基的苯并碲唑杂环的合成方法，即向原料中用四氯化碲以直接或间接定位的方法引入碲，再经过直接或间接还原关环法制备苯并碲唑。

After converting ,filtering and magnifying for four kinds signal produced by biochemistry enzyme （blood sugar ,lactic acid,cholesterol and acetone body）,the results are converted separately by AID converter of AdμC812, and then displayed on LCD.

送到AdμC812的四路A／D转换口进行模数转移，然后经过相应的运算、处理后在液晶显示器上显示出来。同时还能对测得的结果进行一些常规的实时诊断。

It describes the process of acetylene leak and its accumulated explosion, and analyzes the accident reasons in detail.

介绍了发生事故公司的背景和工艺设备概况，描述了乙炔泄漏积聚爆炸事故的经过，详细地分析了事故原因，提出了应该吸取的教训以及相关的改进建议。

After several years of development, in east China has become the biggest oxygen, acetylene tube production base in Jiangxi Province, the largest private-owned manufacturing enterprises.

经过几年的发展，已成为华东地区最大的氧气、乙炔管生产基地，江西省最大的民营独资生产企业。

The experience with mortgage securitization in the United States suggests a number of ways to achieve this end:（1）Securities based on government insured mortgages.（2）Securities issued by government-guaranteed conduits.（3）Securities issued with high quality private credit enhancement (such as over-collaterlization).

美国在抵押安全系统方面的经验提议一些达到这个目的的方式： 1证券根据政府被保险人抵押 2证券经过由政府保证的输送管道 3证券增加高质量私有信用**拼错了，是over-collateralization。。。

Process exhaust main pollution factor is the residue of sulfur dioxide, acid mist and dust, after dedusting equipment after the double-absorption can be achieved discharge standards.

工艺尾气中主要污染因子是残留的二氧化硫、酸雾及粉尘，经过除尘设备两转两吸后，能实现达标排放。

The industrial salt was a kind of compound which was made from metal ions and acid radical ions.

氯化钠在医学中的用途——经过提炼制成100分之0.9的生理盐水。

I know the national college entrance examination is an acid test for you, because I have been there.

开飞机不是一件简单的工作--在你成为飞行员之前，你必须经过严格的测试。

In this study, the Industrial Waste Oil with high acid value and methanol were used to produce biodiesel.

本次研究以菜籽油生产过程中产生的高酸价工业废油为原料，经过预处理精制后与甲醇进行酯交换反应制取生物柴油。

The results showed that after acidification of the raw material after the preparation of Fe2O3 Desulfurization of better performance.

结果发现经过酸化后的Fe2O3原料所制取的脱硫剂脱硫性能较好。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。