酚的

Under the optimized parameters,i.e.,resorcinol to potassium carbonate molar ratio of 1∶0.5,reaction temperature of 155℃-160℃,reaction time of 6 hours-7 hours,and dimethyl acetamide as solvent,the yield of 2,6-dihydroxybenzoic acid was up to 29.38%.

溶剂羧化法Kolbe-Schmitt反应，是在有机溶剂氛围中，由酚的成盐和酚盐的羧化两步完成，一直应用在农药、医药以及化肥的合成过程中。

The characteristics of 4-nitrophenol's λmax and εmax supply evidence that nitro is a better auxochrome for phenol derivatives.

对硝基酚的λmax和εmax的特性研究表明—NO2是酚类化合物较好的助色基。

The invention discloses a preparing method of bacillus alcaligenes strain Alcaligenes sp., CCTCC No.M206121 of degraded o-nitrophenol, which comprises the following steps: allocating inorganic salt culture medium with dibasic sodium phosphate, monobasic potassium phosphate, manganese sulfate, copperas, addex-magnesium, calcii chloridum, blue copperas, white copperas and hydrogen dioxide solution; adjusting pH value; sterilizing under high temperature; enriching bacterial; sampling from sludge; allocating suspending liquid with soil sample and inorganic salt; seeding into ortho-nitrophenol fresh organic salt culture medium with finite volume seeding quantity; keeping the temperature; culturing on shaker; getting enriched culture; separating and purifying enriched culture in LB solid culture medium.

本发明公开了一种降解邻硝基酚的产碱杆菌菌株及制备方法，产碱杆菌为Alcaligenes sp。，CCTCC No.M206121。其制备步骤是：首先是配制无机盐培养基，成分为磷酸氢二钠、磷酸二氢钾、硫酸锰、硫酸亚铁、硫酸镁、氯化钙、硫酸铜、硫酸锌和双蒸水，调pH值高压灭菌；其次是菌种的富集，从污泥中取样，将土样与无机盐培养基配制成悬浮液，将悬浮液以一定体积接种量接种到含邻硝基酚的新鲜无机盐培养基中，恒温，摇床培养，获富集培养物；第三是将富集培养物在LB固体培养基中分离和纯化。

For extraction of green tea polyphenol and Malian black tea polyphenol, different extraction solvents were used to identify the best extraction solvent.

对于绿茶多酚和马里黑茶多酚的提取，用了不同的提取溶剂，从中选出了最好的提取溶剂。

Recent researches show that conventional water treatment processes can not remove nonylphenol efficiently, while physical processes such as activated carbons or organic-montmorillonite adsorption and chemical processes such as sonolytic degradation, electrochemical oxidation or photodecomposition show effective decomposition on nonylphenol in water.

研究表明自来水厂的常规处理工艺对于壬基酚的去除有限；而活性炭、有机蒙脱土吸附等物理方法，超声声化、电化学氧化、光分解等化学方法可有效降解水中的壬基酚。

The research foreground of the synthesis of pyrocatechol from 1,2-cyclohexanediol is also prospected.

综述了1，2-环己二醇脱氢制备邻苯二酚催化剂的研究进展，重点介绍了Pd催化剂和Ni催化剂的研究现状，并对环己二醇脱氢制邻苯二酚的研究前景进行了展望。

The sulfonation and oxidation processes for manufacture of resorcinol are compared in environment benefit and some suggestions on the development of resorcinol are proposed.

介绍了间苯二酚的主要用途和国内外生产现状，并对主要的生产方法磺化法和氧化法从环境效应上进行了比较，对今后我国间苯二酚的生产发展提出了建

Precision of HPLC was well. RSD of precision test was 1.4%,and sample solution was stable.

高效液相色谱法测定丹皮酚的含量，丹皮酚在0.004 4～0.022 mg/ml的范围内呈良好的线性关系，r = 0。

Intravenous propofol combined with lornoxicam is an optimal strategy for painless artificial abortion for the reliable anesthetic and analgetic effects and light cardiovascular and respiratory depressions.

丙泊酚复合氯诺昔康用于无痛人工流产麻醉效果可靠，加强镇痛作用的同时未见加深丙泊酚的呼吸、循环抑制作用，为一种价优效好的联合用药方法。

Methods: In dilute H2SO4 medium, resorcinol could sensitively inhabit the gallocyanin solution descolorization reaction with KIO4 and H2O2, the optimal condition was investigated, based on which, an inhibition kinetic spectrophotometric method for the determination of resorcinol was established.

在硫酸介质中，间苯二酚能灵敏地阻抑高碘酸钾和过氧化氢氧化棓花青的褪色指示反应，在探讨了反应的优化条件和动力学参数后，建立了测定微量间苯二酚的阻抑动力学光度分析新方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。