The method of assay of principal constituents of denatured fuel ethanol by the set of liquid analyze with near-infrared spectroscopy(DA7200) has been expounded in this thesis.

本文论述了采用近红外光谱DA7200的液体分析装置检测变性燃料乙醇主要成分含量的方法。

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The low fuel regression rate in hybrid motor is the principal factor affecting the application of the motor.

固液混合火箭发动机的燃面后退速率低是制约该类发动机应用的主要因素。

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After the exhaustion of the glycogen reserve, and for the next 2-3 days, fatty acids are the principal metabolic fuel.

在糖原消耗殆尽后的2 - 3天内，脂肪酸担当身体主要的供能来源。

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We should make a centerpiece of national energy policy that natural gas should be the principal fuel, perhaps the only fuel besides electricity that powers our vehicles.

FORBES: Connect

The bill would allow for the early payment of the winter fuel allowance to people whose homes are not connected to the mains gas grid and whose principal source of fuel is home fuel oil, liquid petroleum gas or propane gas.

BBC: Winter Fuel Allowance Payments Bill

The principal long-term baseload electric power fuel arbitrage is and has been coal-v-uranium.

FORBES: Post Fukushima-- burn more coal and oil, and hire more engineers not regulators