chemical digestion

Adopt the nitric acid-perchloric acid chemical digestion method, digest the specimen to be tested into the liquid state, and measure Ag content of the tissue with the atomic absorption method upon the constant volume.

采用硝酸-高氯酸化学消化法，将待测标本消化为液态，用原子吸收法测定组织中银的含量。

Low molecular weight heparin ( LMWH) was obtained by chemical or enzymatic digestion of heparin. Its relative molecular weight was from 4000 Dalton to 6500 Dalton.

低分子肝素（low molecular weight heparin，LMWH）是未分级肝素经化学或酶法解聚而得，相对分子质量为4000～6500。

Enzymes occur naturally in all living organisms to regulate their chemical processes, like digestion or the killing of disease-causing micro-organisms such as bacteria.

酶天然存在与人类器官中以保持器官内的化学反应平衡，如人类的消化过程和机体消灭致病微生物——细菌的过程。

As a new pre-process technology in environmental sample, the microwave digestion has many advantages over traditional chemical digestion method.

作为环境样品预处理的新技术，微波消解法与传统化学处理方法相比，具有诸多优点。

It indicated that chemical digestion in chyme was mainly occurred in jejunum. The activity of functional cellulose in the cecum of goslings was small, which was higher at 10 week-old than that of 7 week-old, but not significantly ( p> 0.05).

由此可见，食糜的化学消化主要发生在空肠，盲肠内具有纤维素分解酶，但是酶的活性很小，10周龄供试鹅纤维素酶活力高于7周龄，经检验差异不显著（p＞0.05）。

The form of copper occurrence in contaminated soil in a smeltery site was discussed comparatively by continuous chemical digestion, with the coefficient of biologic effectiveness to copper calculated.

文章以沈阳某冶炼厂厂区旧址的重金属复合污染土壤为研究对象，通过向土壤中添加不同药剂，研究了不同碱性化学物质对土壤砷稳定化的效果。

The functional character of dispersed pancreatic acini prepared by the method including chemical digestion, mechanical isolation and centrifugal purification was studied.

作者观察了采用化学消化、机械分离和离心提纯法制备的胰腺腺泡的机能。