百分比

To identify and distinguish the qualities or authenticity of something. It is often used for evaluating art, products, or scientific samples.

To determine, measure, or test a value, quantity, or chemical property through scientific methods.

The state or fact of continuing to live or exist, typically in spite of an accident, ordeal, or difficult circumstances.

To combine different parts or substances into a single whole; specifically in science, to produce a substance by chemical reaction or artificial means.

To test or detect the presence, quality, or condition of something using scientific methods or equipment. Often used in medicine, environmental science, and technology.

Vertical or longitudinal; in research, it refers to studies conducted over a period of time to observe changes.

Horizontal or cross-sectional; in research, it refers to comparing different groups or variables at a single point in time.

A force that stops or slows down progress or movement; resistance or obstruction.

Relating to the small-scale or specific details of something. It is the opposite of macro, focusing on individual components or microscopic levels.

A room or building equipped for scientific experiments, research, or teaching.