查询词典 sodium acetate

The company also production and operation of rubber, plastics and plasticizers series of sodium acetate and four chlorobenzene quinone, and other fine products.

公司还生产经营橡胶塑料增塑剂系列及乙酸钠以及四氯苯醌等精细化产品。

The desorption was carried out with 0.5mol/L sodium acetate buffer, the eluate of above 95% purity and of above 30g/L DAC was obtained.

洗脱后的活性炭以含异丙醇的强碱溶液对活性炭浸泡洗涤，再用酸溶液中和冲洗，可恢复其吸附能力。

The main content and results are showed as follows:(1)Chitosan was degraded by high pressure homogenization, and its effect increased with molecular weight of original chitosan, pressure and number of cycles, decreased with the concentration of chitosan, while both the concentration of acetic acid or sodium acetate and temperature had a negligible influence. What\'s more, theoretical model was built and the mechanism of homogenizer was discussed.

2采用高压均质-H_2O_2联合降解壳聚糖，其降解效果随H_2O_2溶液浓度的增大而提高，随壳聚糖溶液浓度的增大而降低，随HAc溶液浓度的增大先升高后降低，随均质压力和温度的升高而提高，随循环次数的增加而提高。

The molecular structural formula of the rhodamine 6G hydrazide salicylal azomethine is shown on the right, and the present invention discloses the synthesization method of the rhodamine 6G hydrazide salicylal azomethine and rhodamine 6G hydrazide salicylal azomethine solution used for the content determination of a small amount of cupric ions in water sample: 0 percent to 98.99 percent of ethanol, 99.99 percent to 1 percent of acetic acid / sodium acetate buffer solution with the pH value of 5 to 9, in which the total concentration of acetic acid is 1 to 100 millimoles per litre, 0.01 percent of N, N-dimethylformamide and 1ppm to 100ppm of rhodamine 6G hydrazide salicylal azomethine, all measured in mass percentage.

罗丹明6G酰肼水杨醛希弗碱，分子结构式如右，本发明公开了罗丹明6G酰肼水杨醛希弗碱的合成方法及其用于水样中微量铜离子含量测定的溶液：0～98.99％乙醇，99.99～1％pH值5～9的醋酸/醋酸钠缓冲溶液，该缓冲溶液中醋酸总浓度为每升1～100毫摩尔，0.01％N，N-二甲基甲酰胺和1～100ppm罗丹明6G酰肼水杨醛希弗碱，均为质量百分含量。

Three-electrode system to sodium acetate - acetic acid, potassium chloride and mercury chloride solution to end solution, by stripping square wave voltammetry method for the determination of trace sewage cadmium.

采用三电极工作系统，以醋酸钠—醋酸，氯化钾和氯化汞溶液为底液，用方波溶出伏安法测定了污水中的微量镉。

In order to research the effect of pH value to properties on coating, on the base of middle-temperature electroless nickel-phosphorus alloy technique, Ni-P alloy has been electrolessly deposited from a acid bath containing sodium acetate as a paregoric and lactic acid and another acid as compound complexing agent.

为了研究pH值对镀层性能的影响，采用中温化学镀镍工艺，以醋酸钠为缓冲剂，以乳酸为络合剂，在酸性体系中化学沉积镍－磷合金。

A simple and highly sensitive new kinetic catalytic fluorimetric method was proposed for the determination of trace chromium,based on the catalytic effect of trace amounts of chromium on the oxidation of Pyronine Y by hydrogen peroxide in acetic acid-sodium acetate buffer medium leading to a decrease in the fluorescence intensity.

在HAc-NaAc缓冲体系中，痕量铬对过氧化氢氧化吡咯红 Y的氧化还原反应有催化作用，使吡咯红 Y荧光减弱，据此建立了催化荧光法测定痕量铬的新方法，同时考察了该催化反应的最优条件及动力学性质。

Based on the results of the previous Plackett-Burman design, four key factors was chosen, namely fermentation time, whey powder, saccharose and sodium acetate.

在使用Plackett-Burman设计试验的基础上，筛选出发酵时间、乳清粉、蔗糖和乙酸钠为鼠李糖乳杆菌Ls-8菌株发酵产抑真菌活性物质的4个关键影响因子。

The results showed that precursor feeding (phenylanine, sodium acetate and benzamide) and mixed sugar as production medium resulted in significant increase of taxol production not only in the one-liquid-phase cultures of Taxus chinensis var. mairei but also in the two-liquid-phase cultures. And the integrated function of precursor feeding and mixed sugar in the two-liquid-phase cultures gave more significant increase of taxol production significant increase of taxol production, which was four times more than that of the control (the one-liquid-phase culture without precursors and mixed sugar).

结果表明前体饲喂（苯丙氨酸，醋酸钠和苯甲酰胺）和蔗糖与麦芽糖配伍作为生产培养基糖源不仅对红豆杉细胞悬浮培养，而且对其两液相培养的紫杉醇产量提高均有明显的促进作用，与对照组相比，在南方红豆杉细胞两液相培养中，采用前体饲喂和蔗糖与麦芽糖配伍作为生产培养基糖源，紫杉醇产量提高4倍多。

Methods: In alkaline condition, reaction between amino acids and phenylisothiocyanate formed a derivant of phenylisothiocyanate-amino acid. For RP-HPLC, the Diamonsil C18 column 250 mm×4.6 mm,5 μm） and binary gradient elution were used. The mobile phase A was 0.1 mol/L sodium acetate solution-acetonitrile (93∶7） and the mobile phase B was acetonitrile-water（80∶20）. The detecting wavelength was 254 nm.

在碱性条件下，氨基酸与异硫氰酸苯酯反应，生成异硫氰酸苯–氨基酸的衍生物，采用 Diamonsil C18色谱柱（250 mm×4.6 mm，5 μm），用二元梯度洗脱方式，流动相A为0.1 mol/L乙酸钠–乙腈（93∶7），流动相B为乙腈–水（80∶20），检测波长254 nm。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。