Some basic problems and biogenesis on natural products research were analysed.

The sample analysis showed that the nature gas at this area belonged to methane biogenetic gas.

气样组分分析表明,该区天然气属甲烷型生物成因气.

In food microbiology , biogenic amines sometimes have been to spoilage and fermentation processes.

生物胺往往是在食品腐烂或发酵过程中产生.

As for the pathway of biogenic amine the corresponding homologous solution was proposed in this paper.

本文全面分析了啤酒酿造过程中生物胺的产生途径,并提出了相应的控制办法.

Consumption of food containing high amounts of biogenic amines may cause toxicological effects.

另外,食品中生物胺含量与食品质量具有一定的相关性.

The new test relies on the detection of a class of chemicals called nonvolatile biogenic amines.

这种新测试方法通过对一类被称为“非挥发性生物胺”的化学物质的检测而起作用.

The biogenic amines are harmful products of fermented foods, which affect their safety.

生物胺是发酵食品中的有害产物, 是影响其安全性的重要因素之一.

By redesigning measurement processes, the assessment method of source rock for biogenic gas is established.

通过重新设计实验流程, 建立了针对未成熟生物气源岩的有机质丰度评价方法.

Biogenic pesticides, also known as biological pesticides or biogenic natural product pesticides, develop from living resources.

生物源农药亦称“生物农药”或称为“生物源天然产物农药”, 是指利用生物资源开发的农药.

Sleep and food and water are among the biogenic needs of the organism.

睡眠、食物和水是有机体维持生命的必要条件.

Metal-biogenic type is a post magmatic mesothermal hydrothermal solution filling metasomatic ore deposit correlated with diabase.

矿床成因类型为与燕山期辉绿岩有关的岩浆期后中温热液充填交代矿床.

Fermentation is a biogenic process.

发酵是一种生物化学反应过程.

Dihydroxyindole is an important intermediate of melanin, amino-acid, biogenic base and tryptamine.

二羟基吲哚是黑素原的重要中间体, 也是一些氨基酸 、 生物碱、色胺的中间体.

This paper summerized the research results on the biogeochemical aspects of selenium in Chinese low-selenium belt.

本文综述了目前与低硒带硒生物地球化学循环有关的研究结果.

This text summarizes the status of and advances in nitrogen biogeochemical cycling and the possible problems.

文章全面综述了氮素生物地球化学过程研究的现状与进展及其可能存在的问题.

One is the understanding of biogeochemical cycles of closed systems.

其一,让我们了解了封闭系统的生物地球化学循环.

Finally, biogeochemical cycling model of organic related particles is put forward.

并提出了河口有机性颗粒的生物地球化学循环模式.

BPA ( brooks parsimony analysis ) is one of the most popular methods in the study of historical biogeography.

BPA ( brooksparsimonyanalysis ) 是历史生物地理学研究的重要分析方法之一,在过去的20年内得以发展和完善.

A biographer tends to flatter the person he intends to write about in his biography.

传记作者常常在传记中美化他的传主.

The biographer will be seized of all pertinent papers and correspondence.

这位传记作者将掌握全部有关文件和信件.

We can begin to answer the question with a sentence by Irving's biographer.

要解答这个问题,首先引用欧文传记作者的一句话.