醋酸

The ethylene-vinyl acetate copolymer formulations containing nanoscale aluminum hydroxide as a flame retardant,organic montmorillonite and zinc borate as synergists were prepared by melt-blending.

采用熔融共混挤出法制备纳米氢氧化铝为主体的阻燃乙烯-醋酸乙烯共聚物材料，研究了阻燃增效剂纳米有机蒙脱土与硼酸锌对复合材料阻燃、力学与电学性能的影响。

Piperidinecarboxylic acid is used as the raw material and acetic acid as the acylating agent, followed by the addition of some acetic anhydride in the later stage to get an important organic intermediate n-acetylpiperidine-4 carboxylic acid in the yield of 92%. Toluene is used as the solvent instead of sulfinyl chloride in the acyl chlorination to produce n-acetylpiperidine-4-carbonyl chloride with the yield of 97%.

以4-哌啶甲酸为原料、醋酸为酰化剂，后期加入少量醋酸酐反应得到中间体N-乙酰基哌啶－4-甲酸，收率92%；在甲苯溶剂中进行酰氯化得目标产物N-乙酰基哌啶－4-甲酰氯，收率97%。

OBJECTIVE To study one kind of in vitro spermicide which can inhibit and kill sex transmitting disease pathogens.

初步认为氯已定醋酸盐可望成为一种有效、安全的阴道杀精剂，值得进一步研究。

Objective To establish HPLC-UV method for determination of glycyrrhizin acid in compound nasal spray of glycyrrhizin and flower flos magnoliae,the chief active ingredient of formulation,glycyrrhizin acid,and to observethe therapeutic effect of this formulation on guinea pig's hypersensitive rhinitis.Methods A compound nasal spray formulation was prepared using extracts of glycyrrhizin and measured by HPLC-UV method.Mobile phase conˉsisted of methanol,0.2mol/L ammonium acetate and glacial acetic acid（67:33:1,v/v）,analytical column was Zorbax ODS C 18 and wavelength250nm.

目的 建立测定复方甘草和辛夷喷雾剂含量的方法并观察该制剂对豚鼠超敏性鼻炎的疗效方法以甘草提取的甘草甜素和辛夷花蒸馏提取液主药制备成鼻用喷雾剂，用反相高效液相色谱法测定制剂中甘草酸含量，检测波长为250nm，Zorbax ODS C 18 分析柱，流动相为甲醇：0.2mol/L醋酸铵：冰醋酸（67：33：1）。

Then, the prepared PET flakes were immerged into four kinds of food simulants (including n-hexane, 15% ethyl alcohol, 3% acetic acid and water).

而后，分别用4种食品模拟液（正己烷、15%乙醇、3%醋酸和蒸馏水）浸泡制备好的PET薄片。

Palm oil, Palm kernel oil, Water, Rosehip oil, Evening primrose oil, Jojoba oil, Wild Chamomile oil, Titanium dioxide, Carrot oil, Aloe vera, Tetrasodium EDTA.

棕榈油，棕榈仁油，水，野玫瑰果籽油，月见草油，霍霍巴油，野甘菊精油，二氧化钛，胡萝卜油，芦荟，乙二氨四醋酸四钠

The effects of the content of acetic acid or water in mobile phase, temperature, sample loading and flow rate on the separation were systematically investigated. The fast enantioseparation of these two racemates on monolithic columns were successfully realized.

考察了流动相中添加不同浓度的醋酸和水、温度、进样量以及流速对分离的影响，在这两种整体柱上实现了对其消旋体的快速分离。

8 ANAI-1-0034 N150 HT VERITCAL BRACELET (Prepack 2)$0.50 USD CHINA INVOICE DESCRIPTION: PVC/VINYL 1ST split shipment 5000 2ND split shipment1,618 Total Quantity 6618 VENDOR Ext.

-8 anai - 1 - 0034 n150羟色胺veritcal手镯（ prepack 2 ）$ 0.50美元，中国发票描述：聚氯乙烯/醋酸乙烯第1次分裂装运5000个第2次分裂装运1618 总量6618 厂商分机。

OBJECTIVE To establish an HPLC method for determination of furazolidone, trimethoprim and prednisone acetate in enema.

目的：建立同时测定灌肠液中呋喃唑酮、甲氧苄啶和醋酸泼尼松3种成分含量的方法。

Today, the acetic acid bacteria are classified as the consensus result of a polyphasic analysis, combining phenotypic, chemotaxonomic and genotypic data.

如今， 大多采用结合表型、化学分类法和基因型数据的多相分类法对醋酸菌进行分类。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。