乙酸

Solanine was extracted from peel of a potato variety 'Zhong Shu 3' by using microwave and ethanol/acetic acid solvent. Crude extract was further purified and then qualified by HPLC.

应用微波辐射技术，用乙醇—乙酸双溶剂法从中薯3号马铃薯薯皮中提取了马铃薯植株和块茎中的生物碱龙葵素，对所得初提物进行了纯化，并应用HPLC技术对提取的龙葵素进行了定量分析。

Methods: Lecithin and the sucrose ester-phospholipids liposome were prepared using the ethyl ether injection method by mixing sucrose ester with lecithin, sphingomyelin and cholesterol according to different lipids ratio.

按不同比例将乙酸异丁酸蔗糖酯与卵磷脂、鞘磷脂和胆固醇混合，溶于乙醚中，然后注入pH7.2的PBS缓冲液中，制成卵磷脂脂质体及蔗糖酯－卵磷脂脂质体。

The method of reinforcing silicone rubber sponge was introduced by blending silicone rubber with EVA.

通过硅橡胶与乙烯-乙酸乙烯酯共混，制作了硅橡胶与EVA的复合海绵材料。

Solute chitosan into acetic acid, stir them to uniformity cystose , refrigerate and cast form into porosity sponginess wire frame..

将壳多糖经乙酸溶解后，搅拌成均匀泡沫状，冷冻铸型制成海绵状多孔基质网架。

And the impact of trichloroacetic acid concentration and stewing time on deprotein ation and polysaccharide were also studied.

考察TCA法中的三氯乙酸浓度和时间对脱蛋白和多糖的影响，并且利用化学发光法研究黄皮铜兰水提多糖对H2O2的清除作用。

And the impact of trichloroacetic acid concentration and stewing time on deproteination and polysaccharide were also studied.

考察TCA法中的三氯乙酸浓度和时间对脱蛋白和多糖的影响，并且利用化学发光法研究黄皮铜兰水提多糖对H2O2的清除作用。

Result:Eight compounds were elucidated as β amyrin palmitate, taraxastery acetate, luteolin 7 O α L rhamanopyranosyl (1→2)β D glucopyranoside,luteolin 7 O β D glucopyranoside, triacontanic acid,β sitosterol, stigmasterol and stigmast 7 en 3β ol.

结果 ：从全草中分离得到 5个化合物，β香树脂醇棕榈酸酯，蒲公英醇乙酸酯，木樨草素 7 O α L 鼠李糖基(1→ 2 )β D 葡萄糖苷，木樨草素 7 O β D 葡萄糖苷，三十碳酸；1个混合物，β谷甾醇、豆甾醇、豆甾 7 烯 3β醇。

In our previous study, we found that the EtOAc extract of the roots contained many oligostilbenes which had multi-faceted bioactivities. Kobophenol A (1) is a stilbene tetramer, accounts for nearly 20% of the EtOAc extract.

我们研究发现金雀根乙醇浸膏的乙酸乙酯部位主要化学成分是二苯乙烯类化合物，具有多样的生物活性。

After it was adjusted with ammonia until the test paper turned purple,in subacid medium of pH 6～7 ammonium acetate buffered solution,bivalent nickel was precipitated quantificationally by dimethylglyoxime.

试样以稀硝酸溶解高氯酸冒烟后，酒石酸掩蔽剂将铁等干扰元素配位掩蔽，以氨水调节至刚果红试纸呈紫色后，在pH6～7的乙酸铵缓冲溶液微酸性介质中，二价镍定量地被丁二酮肟沉淀。

An experiment was conducted to study the antifeeding effects of ethanol, ethyl acetate and water solutions of linoleic acid, pimelic acid, suberic acid, azelaic acid, and n-nonanoic acid against imago of Pissodes punctatus. Absolute antifeeding rate and relative antifeeding rate were used to appraise the antifeeding effects of organic acids.

为了寻找华山松木蠹象(Pissodes punctatus Langor et Zhang)环境友好的防治方法，研究了亚油酸、庚二酸、辛二酸、壬二酸、壬酸的酒精溶液、乙酸乙酯溶液和水溶液对华山松木蠹象成虫的拒食作用，采用了完全拒食虫率与相对拒食率来评价有机酸的拒食效果。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。