主要成分

Bread is chiefly made of flour.

面包的主要成分是面粉。

The industrial by-product plaster is the by product with the calcium sulphate as the main component in the industrial production.

工业副产石膏，工业生产中以硫酸钙为主要成分的副产品。

The results showed that the main composition of cinnamon oil had no change before and after being included by β-cyclodextrin.

实验结果表明：肉桂油被β-环糊精包合后主要成分理化性质没有发生变化。

The major component of the sedimentary rock called shale is clay, an earthy, fine-grained material consisting primary of a particular group of crystalline minerals.

Consist of 固定搭配，primary修饰consist，应改成primarily参考译文：被称为页岩的沉积岩的主要成分是粘土，一种土质的，有

Results GC-MS analysis showed that the main components of clove oil did not changed before and after inclusion, but the proportion of the components had been changed.

结果 经GC-MS分析，包合前后丁香油主要成分基本一致，但各组成比例发生变化。

The female sex pheromone of the banded cucumber beetle,-6,12-dimethyl pentadecan-2-one, was obtained in 19.8% overall yield through 17 steps, using-4-methylvalerolactone as the starting material.

以-4-甲基戊内酯为原料，经过最长线性步骤17步，以19.8%的总收率合成了蔬菜害虫Diabrotica balteata LeConte的雌性信息素的主要成分(6R，12R)-6，12-二甲基-2-十五酮。

Ganoderic acid D is one of the major components in Ganoderma triterpenes.

灵芝酸D是灵芝三萜的主要成分之一。

Result: The result was that of essential oil were different（0.59ml/100g, 0.97ml/100g and 0.49ml/100g,respectively）,and the major composition of essential oil was Dill Apiol, and their relative contents were 87.40%, 84.70% and 79.30%,respectively.

结果：二年栽培新鲜根、一年栽培新鲜根和一年栽培干根精油含量分别为0.97ml/100g、0.59ml/100g和0.49ml/100g，主要成分莳萝芹菜脑相对含量分别为84.70%、87.40%和79.30%。

The objective of this study is to examine whether and how highly concentrated inorganic aerosols affect SOA formation.

二次有机气溶胶是大气光化学反应的产物，也是城市和郊区大气中细粒子的主要成分。

The decrease of GAG content in the degenerated annuli fibrosus is mainly caused by the decrease of CS.

退变纤维环GAG含量下降由其主要成分CS含量下降所致。

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。