生物-社会的

At present, the raw materials of biodiesel oil are mostly from Vegetable and animal oil, but they are high expensive.

当前生物柴油的原料主要来自动植物油脂，但其成本偏高。

The present invention relates to process of producing biodiesel oil with fatty triglyceride, especially with animal and vegetable oil and grease.

本发明涉及一种从脂肪酸甘油三酸酯，尤其是动、植物脂和油，生产生物柴油的方法。

The evolution of a biological species .

一种生物物种的进化过程。

A solid base catalyst with shell powder as carrier was prepared and applied to the biodiesel production.

以贝壳粉为载体制备了负载型固体碱催化剂，并用于生物柴油的合成。

Trace fossils that are older than known animal fossils may have been formed by large unicellular organisms such as amoebas.

遗迹化石要比动物化石古老，它们可能是由大量单细胞生物形成的，比如：变形虫。

The vertical distribution of petroleum pools show an alteration of matured oils, low mature oils and biogases from ES_4, ES_3 to ES_1 strata.

阳信洼陷油气分布在纵向上呈成熟油-低熟油-生物气的分布规律。

Nobody knows how she got that biohazard sample from the lab.

没人知道她是怎么从实验室里搞到那些生物危险品的。

This contraction will help push the feces out another colon cleanse tube, which will then be disposed into a biohazard container.

这收缩，将有助于推动粪便另结肠清洗管，就会予以处置成为一个生物危害的货柜。

These boxes should be puncture resistant and waterproof. They should be yellow in colour with a warning logo of biohazard.

这些盒应防水及不会刺穿，颜色为黄色，并贴有生物危险的警告标志。

How does climate affect the nature and location of biomes?

气候怎麼影响生物群系的本质和地点？

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。