查询词典 phenol-phthalein

As the composition of the real wastewaters were always very complicated, deficient of single substrate research was obvious, in view of this , we took a deep examination of Alcaligenes faecalis growth and substrates interaction in phenol and m-cresol mixture.

由于含酚工业废水成份的多样性，单一底物的研究具有明显的局限性，因此，本课题进一步考察了粪产碱杆菌在苯酚和间甲酚混合双底物生物降解系统中的细胞生长及底物降解特性。

A bacteria, named Alcaligenes faecalis, which was separated from the activate sludge of Tianjin gas work factory was used through out our work. Researches of substrates biodegradation were carried out under different condition and the optimal temperature and pH for phenol or m-cresol degradation were specified as: 30℃and 7.0,respectively.

本课题利用从活性污泥中分离得到的粪产碱杆菌，研究了该菌在不同培养条件下对底物的生物降解特性，确定了该菌降解苯酚、间甲酚的最佳条件为：培养温度30℃，pH7.0。

Specifically, it is applicable to the production of dissolvent type of coating materials such as formaldehyde phenol resin, alkide resin, epoxy resin, epoxy polyester and acrylic resin as well as water-soluble resin coating materials such as highly adaptable water-soluble epoxy ester dipping paint.

适用于酚醛树脂、醇酸树脂、环氧树脂、环氧聚酯以及丙烯酸树脂等溶剂型涂料以及各种水溶性树脂涂料（如：高适应性水性环氧酯浸涂漆等）；还可应用于厚浆型涂料、粉末涂料、有机钛防腐蚀涂料、带锈涂料和沥清漆、富锌底漆、防火涂料、耐热涂料等。

It was found that the alkoxy of the aluminium alkoxide can be exchanged to the arkoxy of the raw material or product in the process of reaction. The alcohol producing in the exchange reaction reduces the yield of furan phenol by the further by-reaction of the alcohol with the raw material or product.

结果表明，醇铝在催化单醚合成呋喃酚过程中，醇铝中的烷氧基与原料单醚和产物呋喃酚的芳氧基发生了交换，交换生成的醇与单醚或呋喃酚发生副反应降低了呋喃酚收率。

The amidation and esterification of different cyclic anhydride s with aniline and phenol gave different major products,and the routes were optimized.

结果表明，环酐的分子结构直接影响反应结果，当酸酐分子存在共轭结构时以N-芳基内酰胺为主要产物。

An aminobenzene sulfonate-formaldehyde based polymer dispersant with good grinding efficiency was synthesized under alkaline condition using aminobenzene sulfonate, phenol and formaldehyde as main raw materials.

0引言众所周知，在陶瓷工业生产中，原料细磨是其中一道关键的工序，是一个高能耗、低效率的作业过程，却又是必不可少的一个工艺过程。

Amino-sulfonic acid single aromatic ring type high range water reducer was synthesized form aminobenzene sulfonic acid, phenol and formaldehyde. The influence of monomers ratio, reaction temperature reaction time, pH value, the concentration of monomer on the performance of AS high range water reducer was analyzed.

以对氨基苯磺酸钠、苯酚和甲醛等为原料合成出了氨基磺酸单环芳烃型高效减水剂，研究了反应单体的摩尔比以及工艺参数对AS高效减水剂对水泥颗粒分散效果的影响。

Amino-sulfonic acid single aromatic ring typehigh range water reducer was synthesized form aminobenzene sulfonic acid,phenol and formaldehyde. The influence of monomers ratio,reaction temperature,reaction time,pH value,the concentration of monomer on the performance of AS high range water reducer was analyzed.

以对氨基苯磺酸钠、苯酚和甲醛等为原料合成出了氨基磺酸单环芳烃型高效减水剂，研究了反应单体的摩尔比以及工艺参数对AS高效减水剂对水泥颗粒分散效果的影响。

The proper synthetic technology are as follows: molar ratio of P-aminobenzene sulfonic acid/phenol/formaldehyde is 1∶2∶9, concentration of P-aminobenzene sulfonic acid is 0.4mol·L~-1 , pH of reaction system is 8.0, reaction temperature is 95℃ and reaction time is 3.5h. aminobenzene sulfonate ; dispersant ; ceramic grind additives

国外在磨矿行业已大量使用高效减水剂助磨并取得了显著效果，国内关于这方面的研究起步较晚，主要采用如碳酸钠、硅酸钠、磷酸钠等无机盐，而且也主要是用于有色金属选矿方面，在硅酸盐工业原料加工中有部分采

The results showed that the wastewaters from the production of dyestuff, rubber and assistants from individual discharging points had significant effects on nitrification,while some characteristic pollutants,sueh as aminobenzene,nitrobenzene,phenol as weU as Zn2+,Mn2+,and Ni2+,especially Ni2+,had obvious inhibiting effects on nitrification,resulting in obvious reduction of the rate of nitrificatiOn in the biochemical treatment system.

研究结果表明：来源于个别排放点的染料生产污水、橡胶生产污水、助剂生产污水对硝化作用有显著的影响，一些特征污染物如苯胺，硝基苯，苯酚及Zn2+，Mn2+，Ni2+均对硝化作用有明显的抑制作用，从而导致生化处理系统的硝化反应速率明显降低，而且以Ni2+最为显著。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。