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化学

A branch of physical science that is concerned with the study of matter and energy and how they interact.

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化学的贡献者

化学 > 普通化学

甲硫氨酸,蛋氨酸

化学; 普通化学

A naturally occurring amino acid and building block of proteins with a sulfur-containing side chain.

汽提,剥离

化学; 普通化学

Stripping is a technique for removing volatile components in a mixture by bubbling a stream of an chemically unreactive gas (like nitrogen) through the sample, and then ...

量热计

化学; 普通化学

An insulated vessel for measuring the amount of heat absorbed or released by a chemical or physical change.

氢氧基

化学; 普通化学

1. An -OH group within a molecule. 2. A free radical formed by abstraction of a hydrogen atom from water.

精密,准确度

化学; 普通化学

Precision is reproducibility. Saying "These measurements are precise" is the same as saying, "The same measurement was repeated several times, and the measurements were all very ...

精度,精密度

化学; 普通化学

Accuracy is the correctness of a single measurement. The accuracy of a measurement is assessed by comparing the measurement with the true or accepted value, based on evidence ...

稀释

化学; 普通化学

Having a relatively low concentration.