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The present invention relates to one kind of heat resistant polylactic acid-base composite material and its preparation process.

本发明涉及一种耐热的聚乳酸基复合材料及其制备方法。

The purpose for using the appropriate formula is to discover if any other acid-base process is present.

使用合适公式的目的就是要发现是否存在其它的酸碱平衡紊乱。

The purpose of the formulas outlined in Chapter 3 is to determine whether one or multiple acid-base disturbance s are present.

第3章列出的计算公式主要目的是用来判断出现的酸碱平衡紊乱是单纯性还是多重性的。

The purpose of the formula s outlined in Chapter 3 is to determine whether one or multiple acid-base disturbances are present.

第3章列出的计算公式主要目的是用来判断出现的酸碱平衡紊乱是单纯性还是多重性的。

When you determine that one or more acid-base disorders are present, you must pursue a cause for each one.

当确定存在着一个单纯性的或混合性的酸碱平衡紊乱时，你必须寻找引起每一种紊乱的原因。

In the present study, we investigate the effect of acidification and alkalinization on primary culture of rat cardiomyocytes.

在本研究中，我们以较广泛的角度，观察初代培养的心肌细胞内的酸化或是碱化对於细胞产生死亡机制的影响。

At present, the understanding of ecology of acidophilic microorganisms is mainly based on the traditional pure culture and isolation techniques. However, the development of molecular biology provides more scientific methods. The combination of pure culture and isolation techniques with molecular biotechnology will provide more effective methods in this field.

目前对嗜酸微生物生态学的理解主要基于传统的纯菌培养分离技术，但是分子生物学技术的发展提供了更科学的研究手段，将纯菌培养分离技术和分子生物学技术相结合是研究嗜酸微生物生态的有效方法。

The answer to this question is that an acidosis or an alkalosis can be present to a very small degree.

这个问题的答案是：存在很低程度的酸中毒或碱中毒。

It will reverse the preexisting acidosis that is often present.

它可以逆转经常出现的先期酸中毒。

There are about 20 different amino acids, eight of which must be present in the diet.

大约有20种不同的氨基酸，其中八个必须在场的饮食。

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。