用酚试剂法测总醛，乙酰丙酮法测甲醛。
Formaldehyde was analyzed with Nash method and total aldehyde was determined with MBTH method.
方法采用福林酚试剂法。
通过试验，找出了酚试剂随温度变化的规律，并提出在日常的检测工作中应注意的问题。
Through the examination, we found the disciplinarian about hydroxybenzene solution depend with the room-temperature. We table some proposes about the daily examine works.
采用酚试剂比色法并合理使用甲醛测量装置对甲醛含量进行了测定，测量结果的精度能够达到装置标称的5%。
We use of colorimetric phenol reagent and formaldehyde measurement devices for measuring formaldehyde, the accuracy of the measurement results can reach nominal 5% of the device.
本文采用国家标准方法——酚试剂分光光度法对成都50多处房屋室内的甲醛浓度及其变化规律作了具体的分析，结果显示，总样品甲醛平均浓度为0。
Using the national standard method-folin spectrophotometry, this paper makes detailed analysis of the concentration and the changing law of formaldehyde existing in the 50 more houses in Chengdu.
本法结果与用甲基麝香草酚蓝为试剂的比色法一致。
The result of this method is consistent with the colorimetry which uses methyl thymol blue as reagent.
探讨了漆酚金属盐高分子复合试剂催化酯化反应的情况。
In this paper, study on esterification reaction catalyzed with polymer compound of urushiol and metal salt was studied.
本文对邻苯三酚自氧化测定超氧化物歧化酶活力的方法做了部分改进，使其操作更简便省时，节省试剂；
The pyrogallol autoxidation assay for superoxide dismutase(SOD)was partly improved to make it simpler, save time and reagents.
必须通过偶氮，（苯）酚类，有机氯试剂，分散燃料，镉。
Must pass azo, cadmium, PCP, chlororganic carrier, disperse dies, nickel free for metal details.
方法以价格低廉的国产试剂2，6-二特丁基酚为原料，选择乙酸-水为反应介质，合成关键中间体3，5-二特丁基-4-羟基苯甲醛，并研究了乙酸-水配比对反应的影响；
METHODS 3,5-di-tert-butyl-4-hydroxy benzaldehyde was synthesized from 2,6-di -tert-butyl phenol in a reaction medium of acetic acid-water which its ratio was investigated.
摘要：以苯酚为液化试剂，在低温和低酸催化剂浓度等温和条件下对竹粉进行选择性酚化，分离得到液化液和竹纤维素微粉。
Abstract: the thermochemistry selective liquefaction of bamboo powder in phenol was carried out under lower temperature and lower acid-catalyzed concentration.
摘要：以苯酚为液化试剂，在低温和低酸催化剂浓度等温和条件下对竹粉进行选择性酚化，分离得到液化液和竹纤维素微粉。
Abstract: the thermochemistry selective liquefaction of bamboo powder in phenol was carried out under lower temperature and lower acid-catalyzed concentration.
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