综述了茶多糖的提取纯化方法、纯度及测定方法、化学组成、结构分析方法。
The methods of extraction and purification, test, chemical composition, structure analysis of tea polysaccharide are summarized.
用GPC法测定了各聚合物分子量，用1 HNMR法表征了各聚合物化学结构。
Molecular weight and chemical structure of each polymer have been characterized by gel permeation chromatography (GPC) and 1h-nmr, respectively.
本文讨论了制造助滤剂的科学基础，测定了珍珠岩助滤剂的化学性质和物理结构。
In this paper, the scientific bases for preparation of filter-aid have been discussed and the chemical properties and physical structure of perlite filter-aid have been analysed.
对自行设计制造的两类不同结构的板框式电化学反应器，通过流体停留时间分布测定，求得流动模型参数。
The flow model parameters were obtained from determining the fluid resident time distributions in two kinds of the different structural plate and frame electrolyzers that were self-designed and made.
水迷宫训练后，采用组织化学方法测定海马结构胆碱能纤维密度。
All groups received Morris water maze training, then were tested the AChE positive fiber density in the hippocampal formation by histochemical method.
制备了其有关物质二聚物，并通过波谱数据及原子吸收分光光度法鉴定了其化学结构，还测定了该化合物在制剂中的含量。
This chemosynthetic dimer substance was elucidated by spectra analysis and atomic absorption spectrophotometry. Meanwhile the dimer was determined by UPLC-MS for its content in the preparations.
以马蹄粉厂产粉废浆为原料，提取、分离、纯化了一种功能组分，并对其进行组成成分、化学结构分析以及功能活性测定。
In this paper the waste slurry produced in the production of water chestnut starch was used as raw material to extract, separate and purify a kind of functional compound.
以马蹄粉厂产粉废浆为原料，提取、分离、纯化了一种功能组分，并对其进行组成成分、化学结构分析以及功能活性测定。
In this paper the waste slurry produced in the production of water chestnut starch was used as raw material to extract, separate and purify a kind of functional compound.
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