Shut in pressures of some oil-gas wells with abnormal high pressure can not be tested as the limitation of equipment and technique conditions to fail in getting test data.

有的异常高压油、气井由于受设备、技术条件限制而不能关井测压，无法获得不稳定测试资料。

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Based on gas chromatography a method was established to assay alcohols in air. The linearity, precision and accuracy were tested. It has been proven to be a simple and easy to operate analytic method.

前言： 研究了大气中低分子量醇类化合物的气相色谱测定方法，进行了线性范围、 精密度和准确度实验。

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