水溶液

Fe〓 and nascent hydrogen that results from reduction of water at the iron surface may be not the main reductants.

溶液中的二价铁离子和零价铁与水溶液接触所产生的氢气对反应的影响不大。

Experiments show that:when the concentration of acetone is decreased from 100% to 20%,the absorbance bands at 3538cm-1 and 3441cm-1 of CH3 is redshifted,the absorbance band at 1713cm-1 and 1647cm-1 of CO is redshifted about 19 cm-1 and 21cm-1 respectively.

发现随着丙酮水溶液浓度的减小，丙酮CH3键的对称(3538cm-1)和不对称伸缩振动(3441cm-1)吸收峰位置波数减小方向迁徙，CO伸缩振动吸收(1713cm-1)向波数减小方向移动，丙酮浓度为20％时，迁徒至1691cm-1，减小了约19cm-1；同时1647cm-1处的吸收则迁徙至1626cm-1。

Biodegradability indicated by the value of BOD〓/COD was determined for aniline, seven substituted anlines, eleven extractants, and raffinates of anilines in this paper.

本文以BOD〓／COD作为评价有机物生物降解性的指标，分别对苯胺和七种取代苯胺、十一种常用萃取剂以及有机溶剂萃取后的取代苯胺水溶液的生物降解性进行了研究。

Time-resolved pulse radiolysis has been used to study the reactions of etoposide (VP16) with N~3^.,~2^.

首次用脉冲辐解时间分辨方法研究了etoposide(VP16)在水溶液中与N~3^。，~2^。

The experimental results show that in the presence of acetic anhydride, the L-tyrosine can be completely racemized and converted into DL-tyrosine both in NaOH aqueous solution and in acetic acid solvent, and moreover, in the presence of acetic anhydride

今讨论了在碱性水溶液中，L-酪氨酸、乙酸酐和NaOH三者摩尔比例对消旋过程的影响和在纯乙酸溶剂中，乙酸用量和L-酪氨酸与乙酸酐的摩尔比例与消旋温度对消旋过程的影响。结果表明在乙酸酐的作用下，L-酪氨酸在纯乙酸溶剂中的消旋具有消旋速度快，DL-酪氨酸收率高的优点。

Insertion of ethylacetate or DMF into 1-zircona-2-azacyclopent-3-ene complexes at 50 oC affords pyrroles in moderate yield when they quenched with KOH aqueous.

1-锆-2-氮-环戊-3-烯错合物在室温下可与乙酸乙酯或DMF进行插入反应，经由氢氧化钠水溶液水解后，可得到不错产率的比咯。

With CO2 as acidifying agent, potassium chromate was directly reduced to chromic oxide hydrate under hydrothermal conditions using formaldehyde as reducing agent.

以CO2气体为酸化剂，小分子有机化合物甲醛为还原剂，通过表面活性剂处理，在水热条件下直接还原铬酸钾水溶液得到水合Cr2O3，继而800℃下煅烧得到球形Cr2O3超细粉体。

High absorption and retentions clinoptilolite /Starch/ PAANa composite was synthesized by water-solution copolymerization with clinoptilolite and acrylic acid as principal raw materials,with N N-methylene-bis-acrylamideand as crosslinker, and with potassium persulphate as initiator .

以丙烯酸、斜发沸石为主要原料，以N，N'-亚甲基双丙烯酰胺为交联剂、过硫酸钾为引发剂，采用水溶液聚合法合成了斜发沸石/淀粉/聚丙烯酸高吸水保水性复合材料。

Adult rats were measured body weight and imaged by Micro-CT, then divide into four groups randomly; according to control, low dosage, medium doagse, high dosage. Each group was given aqueous solution of Paraquat via oral single dosage at 0mg/kg, 40mg/kg, 60mg /kg, 80mg/kg, respectively.In control group, the color and luster of the lung samples appeared normal and no petechia was observed.

成鼠先秤重及Micro-CT造影，再以随机方式分成控制、低剂量、中剂量、高剂量四组，依其组别给予单次不同剂量之巴拉刈水溶液，给药后每周进行两次秤重及Micro-CT造影，连续进行四周，并在每周造影后，每组随机牺牲一只成鼠，取出肺脏，进行检体及组织病理观察。

Ceric ammonuim nitrate and sodium bromate series oxidation system was used selectively to oxidize oximes into the corresponding aldehydes and ketones in water.

在水溶液中，用硝酸铈铵溴酸钠串联氧化体系对肟进行选择性氧化生成相应的醛

This paper demonstrated the impact on the environment today, an important factor is Education.

本文主要展示了当今影响环境的一个重要因素——教育。

Article 16 The power to interpret these Procedures shall remain with the Ministry of Agriculture and CAA.

第十六条本程序由农业部、国家认证认可监督管理委员会负责解释。