Meanwhile, its physical and chemical quality and infrared spectrum was also studied.

同时，研究了溶血磷脂基本理化指标和红外光谱。

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The connotation of chemical quality education embody technical quality and affective quality.

化学素质教育的内涵包括学科素质及情感素质。

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Physical quality of cathode copper effects on its chemical quality which determines its characteristics of processing.

阴极铜的物理品质直接影响其化学品质，而阴极铜化学品质的高低决定了其加工性能的好坏。

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The chemical quality of glass is what makes up its color.

VOA: special.2009.09.16

That means that low-temperature waste heat can be used to produce high-quality chemical energy hydrogen for the first time.

FORBES: Could Hydrogen Breakthrough Revive The Fuel-Cell Car?

Achieving this sort of change is comparable to how car manufacturers have instilled a commitment to quality or chemical companies such as DuPont have succeeded in making safety first such a central value.

FORBES: Banksters: The Scandals Continue

The outcome from the workshop should help ensure consistently comparable quality control of selected chemical data collected on a global scale and over time.

UNESCO: NATURAL SCIENCES