The paper introduces the method of making azotobacter fertilizer by biological process and test method of bacteria.

本文介绍了生物法制固氮菌肥的方法，以及菌种的检验方法。

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Methods: With collection of the data of Nassidae food poisoning in recent years, the paper applies the biological determining method to test the content of PSP in the meat of Nassidae.

方法： 收集近年织纹螺中毒资料，对连云港地区织纹螺进行形态学鉴定。应用生物测定法检测螺肉中麻痹性贝类毒素（ PSP）含量。

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The test result showed that enzymatic treatment agent is a non-polluting and effective method for control of biological slime in industrial circulating water system.

试验证明，酶处理是一种绿色、能有效控制循环冷却水系统中生物粘泥的方式。

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