This paper presents a determination method of specific activity for uranium isotope in rocks, soil, water and thorium isotope in rocks using 232u as a tracer isotope.
本文介绍了用(232u)作示踪同位素，测定岩石、土壤、水体中铀同位素及岩石中钍同位素比活度的方法。
Biological assays play an important role both in conventional drug quality control and in determination of biological activity of a compound with unknown structures.
生物检定在药品质量的常规检验以及对一些未知结构化合物活性的测定中占有重要的地位。
Taking the Insect-fermented Tea as raw material, the quantitative determination of general nutrient content and the qualitative determination biological activity material have been researched.
以老鹰茶虫酿茶为原料，定量分析一般营养成分的含量和定性测定了生理活性物质。
The photocatalysis activity of composite catalyst prepared at different calcining temperature and holding time was investigated through the determination of COD value in wastewater.
通过测定废水降解过程中的COD值，研究了不同煅烧温度及保温时间下制取的复合催化剂的光催化活性。
Studies of the properties of seismogenic structures play an important role in delineation of potential earthquake source and in determination of parameters of seismic activity.
发震构造特性是潜在震源区划分及其地震年发生率确定的重要依据。
All these suggested that the determination of urinary NAG activity can be used as a sensitive indicator predicting early diabetic nephropathy.
提示尿nag活性测定可作为间接反映肾小球滤过膜功能、筛查糖尿病早期肾病的一项敏感指标。
Determination of the strength or biological activity of a substance, such as a drug or hormone, by comparing its effects with those of a standard preparation on a test organism.
的翻译是：决心的力量的一种物质或生物活动的，如一种药物或激素，通过比较其效果与标准草拟的关于测试生物。
This paper focused on discussion of using the method in "General determination of industrial enzymes" to detect acidic protease activity of enzyme additive in feed premixed with enzyme additive.
本文就《工业酶制剂通用试验方法》测定饲用酶添加剂预混料中酸性蛋白酶的活力进行了探讨，并就试验方法的适用性以及影响酶活力测定的因素进行了试验论证。
This article deals with the structure, physical-chemical properties, pharmacology, separation and purification, activity determination and the prospects for the application of NK.
现就纳豆激酶的结构、理化性质、药理学作用及机理、分离纯化、活性测定方法以及开发现状和应用前景等方面进行了综述。
At present, domestic and international methods of determination of physical activity are the heart rate, blood pressure, hemoglobin, urine protein and blood lactic acid test and other methods.
目前，国内外测定运动量的方法有：测试心率、血压、血色素、尿蛋白及血乳酸等多种方法。
At present, domestic and international methods of determination of physical activity are the heart rate, blood pressure, hemoglobin, urine protein and blood lactic acid test and other methods.
目前，国内外测定运动量的方法有：测试心率、血压、血色素、尿蛋白及血乳酸等多种方法。
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