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水溶液

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The phenol in the wastewater from fluorobenzene production was recovered by replacement extraction with TBP as extractant and NaOH aqueous as reverse extractant.

以磷酸三丁酯为萃取剂、NaOH水溶液为反萃剂,采用萃取置换法回收处理氟苯生产废水中的苯酚。

Purine derivatives was confected tosolution of 3*10~(-5) g/mL by sodium hydroxide solution(1 weight% in water), and thenmeasured the diameter of fungistatic circle.

将实验所得嘌呤化合物溶解于质量浓度为1%的氢氧化钠水溶液中,通过测量抑菌圈直径的大小来测试了所有所得嘌呤衍生物的抑菌活性。

Thesesolutions were poured into the gaster of the mouse.The LD_(50) of thetwo solutions were 93mg/kg and 1, 411mg/kg respectively.

用硫酸铍水溶液给25只小白鼠灌胃,每天一次,每次100毫克/公斤LD_(50的1/14共30次,在观察的35天中没有一只死亡。

A waterborne multicolor paint is prepared by chitosan in acetic acid solution, mixing with short fiber and crosslinked by glutaric dialdehyde.

甲壳糖醋酸水溶液为成膜剂,掺入短纤维后用戊二醛交联得到多彩涂料。

First, we synthesized a new monomer,1-(3\'-aminopropyl)-4-acrylamido-1,2,3-triazole hydrochloride,via click chemistry and its block copolymer with NIPAM, PNIPAM-b-PAPAT,via RAFT polymerization.On the basis of the reaction between amine groups of the PAPAT block and glutaric dialdehyde,core cross-linked and shell cross-linked micelles with inverted structures were prepared at 25℃and 50℃,respectively.

借助于PAPAT嵌段上含有的氨基及PNIPAM嵌段的LCST效应,我们在其20℃和50℃的水溶液中分别制备了CCL胶束和SCL胶束,进一步地,我们利用由Click反应产生的1,2,3-三氮唑环对金属的强络合和稳定作用,分别对CCL胶束的内核与SCL胶束的外壳用金纳米粒子进行选择性修饰。

The difficulty of route is the refinement of products. There is a lot of sodium chloride in solution. In order to refine the glycolic acid, the methods of vacuum distillation and organic solvent extraction are adopted.

水解合成后得到的是羟基乙酸的水溶液,其中含有大量的氯化钠和少量未水解的氯乙酸及其它杂质,采用减压蒸馏及有机溶剂萃取方法进行精制是比较适宜。

Glyoxal in cosmetic sample was extracted by the solution of acetonitrile and water.

样品用乙腈-水溶液溶解,与2,4-二硝基苯肼在弱酸条件下衍生化反应,衍生物直接用HPLC测定,用外标法定量。

The hydroxyl radical in solution can efficiently kill Gymnodinium mukimotoi , a kind of red-tide microorganism.

羟基自由基水溶液杀灭赤潮微生物裸甲藻的实验。

the seeds of wheat and corn were dipped in water-soluble substance distilled from peganum harmala, before incubate in greenhouse. The moisture of leave tissues was determined at seedling period.

小麦、玉米种子经骆驼蓬提取物水溶液浸泡处理后,室内培养,在幼苗期测定叶片组织的水分状况。

These processes are not only complicated, but the organic ligands are hazardable. Therefore, it is important to study some simpler and feasible synthesized methods to make QDs water soluble directly.

本文第一部分的实验工作是以巯基丙酸(HS-CH2CH2COOH)为稳定剂,在水溶液中合成了具有窄而对称的带边发射的CdTe半导体纳米粒子(FWHM=40 nm,尺寸为3 nm,量子效率为20-30%),并用此纳米粒子来标记生物分子牛血清白蛋白。

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This paper analyzes the compound attractor structure of a new three-dimensional autonomous chaotic system.

分析了一种新的三维自治混沌系统吸引子的复合结构。

ON shut rivals out of their transmission systems and shy away from reinvesting their profits in network improvements.

ON将竞争者挡在了其输送体系之后,并不愿将其收益再投资于网络改建工作。

Objective: Elucidate the medicinal licorice species circumscription in order to develop licorice resources in China and select new cultivars.

目的:阐明中国药用甘草物种之间的界限,为甘草资源开发和优良品种选育奠定基础。