查询词典 acetic

The examination made known, when consistence of acetic acid glacial at the 2%, dairy salt concentration 8%~12%, the best way was to be elected.

研究了采用冰乙酸和食盐的混合液作为汤汁的香菇酸盐渍生产工艺、产品检验等，研究表明，冰乙酸浓度2%、食盐浓度8%~12%是香菇酸盐渍的最佳生产工艺条件。

The optimum condition for separating and purifying SAM was using the solution at pH of 5.0 containing 3.0 g SAM per liter at the flow velocity of 6 L/h through the ion-exchange column (φ50 mm×1500 mm)filled with D152 resin. Impurities were removed first by eluting the column with double-distilled water and acetic acid, and then with 9 L to 15 L of sulfuric acid of 50 mmol/L concentration at the flow velocity of 6 L/h.

论文对SAM的性质、药理作用以及当前国际上关于SAM的研究进展进行了较为详尽的综述，并在此基础上确立了研究内容，取得了如下成果： 1利用本实验室构建的基因工程菌JM71发酵生产S-腺苷-L-蛋氨酸，在50 L发酵罐中发酵6天后，SAM终产量达到6 g/L发酵液。

Acceptable resolutions were achieved when it was applied for the separation of dipeptides including Leu-Tyr and Val-Tyr by using 1-butanol-acetic acid-water (4:1:5, V/V/V) solvent system. The proteins including cytochrome C and myoglobin, lysozyme and myoglobin, and fresh chicken egg-white proteins were well separated by 12.5% PEG1000-12.5% K2HPO4-75% water (pH 9.0) and 16% PEG 1000-12.5% K2HPO4-71.5% water (pH 8.0) system.

应用研究表明，采用正丁醇-醋酸-水(4：1：5， V/V/V)和PEG1000-磷酸钾盐-水(12.5：12.5：75， W/W/W)(pH 9.0)体系可以在较高的流动相流速和较高的固定相保留下分别实现对亮氨酸-酪氨酸和缬氨酸-酪氨酸二肽混合物以及细胞色素C与肌红蛋白、肌红蛋白与溶菌酶混合物及鸡蛋清样品中蛋白成分的成功分离。

Methods:A series of DMY acetates were synthesized with different ratio of acetic anhydride to DMY,the antioxidation capability of them for lard was determinated.

采用改变乙酸酐与二氢杨梅素投料比，合成不同酯化程度的二氢杨梅素酯，并用猪油体系测定其抗氧活性。

The results showed the optimal conditions of pectinase hydrolysis are amount of pectinase 0.127%,temperature 45.5 ℃,and time 3.3 h; The optimal technological parameters of alcoholic fermentation are amount of yeast 3%,temperature 28 ℃,and initial sugar content 16%; The optimal technological parameters of acetic fermentation are amount vinegar agarics 8%,temperature 32.5℃,...

以锦橙为原料研制锦橙果醋，并对锦橙果醋的酿造工艺参数等进行研究，研究结果表明，果胶酶水解的最佳条件为：加酶量0.127%、温度45.5℃、时间3.3h；酒精发酵的最优条件为：酵母接种量3%、温度28℃、初始糖度16%；醋酸发酵的最优条件为：醋母接种量8%、温度32.5℃、酒精度7%；澄清效果以壳聚糖添加量0.05%时为佳。

OO from the beginning of a three-year sales of chemical raw materials, specific printing ink, printing ink, sodium hydroxide, liquid (30-50%) hydrochloric acid, electrical cleaning agents, electrical agents, detergents, bactericidal Algicide, corrosion inhibitors, scale inhibitors, polyacrylamide (cation-anion), toluene, glacial acetic acid, such as bleaching, aluminum-based industries to the production of chemical raw materials used.

从二OO三年开始化工原料的销售，具体有印刷油墨、印刷水墨、氢氧化钠、液碱（30-50%）盐酸、电器清洗剂、电器保护剂、除垢剂、杀菌灭藻剂、缓蚀剂、阻垢剂、聚丙烯酰胺、甲苯、冰醋酸等漂染、铝型才行业的生产用化工原料。

Citric acid is one of the organic acids commonly used as chelators. In this study, we would compare with cleaning efficiency between citric acid and acetic acid.

首先，我们会探讨这两种螯合剂浸润的能力，用来评估晶圆表面在清洗过程中是否可均匀的移除铜离子。

The mineral composition of interstitial phase and chemical composition of ferrite phase in the clinkers which were manufactured by Kunming Cement Plant utilizing phosphorous slag, copper slag and pulverized fly ash simultaneously were studied by means of extraction with salicylic acid methanol and acetic acid aqueous solution and XRD.

采用水杨酸甲醇溶液和醋酸水溶液选择萃取及XRD方法，对昆明水泥厂以磷渣、铜渣和粉煤灰配料生产的硅酸盐水泥熟料进行了矿物组成和铁相化学组成的研究。

Methods Fresh adult bovine tendon was dissolved with acetic acid and enzyme-digestion for type Ⅰ collagen. Then they were dialysed and purified for refined liquid collagen, which was cross-linked with glutaraldehyde.

取新鲜成年牛跟腱，用乙酸溶解－酶消化法提取Ⅰ型胶原，并进行盐析、透析、纯化得到精制的液态胶原，用戊二醛进行交联。

Analysis was carried out on a Hypersil ODS2 column(4.6 mm×250 mm,5 μm) with acetonitrile-0.1% glacial acetic acid as the mobile phase,and eluates were detected by an evaporative light scattering detector.

采用Elite Hypersil ODS2(4.6 mm×250 mm，5μm)色谱柱，乙腈-0.1%冰醋酸水溶液为流动相梯度洗脱，流速1mL.min-1，以蒸发光散射检测器检测，记录70 min色谱图。

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。