diacid

J-aggregation of porphyrin diacid h_4~ ( 2+) TSPP by cations

一价阳离子对卟啉二酸H4~（2+）TSPP~（4-）J-聚集的影响

Development of ashless dispersant ── polyisobutylene butane diacid pentaerythritol ester

聚异丁烯丁二酸季戊四醇酯无灰分散剂的研制

study on structure of calcium decyl diacid and its analogous compounds by infrared spectrometry

用红外光谱法研究癸二酸钙及其类似物结构

So far, we have synthesized diacid, which is a very important intermediate product during preparing muscone.

到目前, 我们已经合成了制备麝香酮中重要的一步中间产物十五碳二羧酸.

Acetanilide and hexane diacid, potassium hydrogen phthalate could improve PVC crystallinity.

乙酰苯胺 、 己二酸和邻苯二甲酸氢钾可以使PVC结晶度增大.

determination of valeric diacid by gas chromatography

戊二酸的气相色谱测定研究

PXS and PXO are all composed of sol and gel, and the elastomer exhibited some ordered structure. With the increase of diacid in the reaction, the elastomer has crystallized structure.

发现PXS和PXO生物弹性体均由溶胶和凝胶两部分组成，所制备的弹性体具有一定的有序结构，随反应二元酸比例的增加，材料表现出一定的结晶性能。

di-isooctyl adipate was synthesized with hexane diacid and2-ethyl hexanol as raw materials and p-toluene sulphonic acid as the catalyst.

以己二酸和异辛醇为原料，采用对甲苯磺酸作催化剂合成己二酸二异辛酯。

determination of valeric diacid through pretreatment with diazomethane by gas chromatography

气相色谱法测定用重氮甲烷预处理的戊二酸

the esterification reaction of hexane diacid with 2 ethyl hexanol was studied by using modified β zeolite as catalysts. the effects of cation exchange degree, calcining temperature and the surface acidity on the catalytic activity were discussed.

用改性β沸石作催化剂，研究了己二酸与2－乙基己醇的酯化反应，讨论了阳离子交换度、焙烧温度及表面酸性对催化活性的影响。

Diacid has been got using diethylene glycol as decomposition agent of adduct.

采用二甘醇作为加合物的分解剂,得到了二元酸.

esterification reaction of hexane diacid with 2 ethyl hexanol over modified β zeolite catalysts

改性β沸石催化剂上己二酸与2-乙基己醇的酯化反应