The production principles, production methods and progress of benzyl chloride are introduced.

介绍氯化苄生产的原理、方法和技术进展。

youdao

The paper introduces the production method about which the 99.95% fine selenium would be made from crude selenium by distillation and its production principles.

介绍粗硒经过蒸馏法生产99.95%工业精硒的生产方法和生产原理。

youdao

Production principles of liquid chlorine and its process were introduced. The reasons of accidents happened in production and application process of liquid chlorine were analysed.

介绍了液氯的生产原理及工艺过程，分析了在液氯生产和使用过程中发生事故的原因。

youdao

Though oil is a sensitive topic for many Mexicans who learn state ownership is one of the three main principles of the constitution, its production has fallen year after year.

NPR: Mexico's Ruling Party Says 'Yes' To Energy Reform

Other than the false credence this assigns to the pseudo science known as macro-economics, supply side principles seem irrefutable: lower tax rates motivate production which spurs economic growth thus expanding tax revenues.

FORBES: The Problem With Supply-Side Economics

James McNerney, a former boss of 3M, a manufacturer, damaged the company's innovation engine by trying to apply six-sigma principles (which are intended to reduce errors on production lines) to the entire company, including the research laboratories.

ECONOMIST: Schumpeter