After 90 min,the color of all chemical indicators changed from orchid to ecru which is the qualified color.
方法采用化学指示剂和生物指示剂方法,对该灭菌器用于生物安全实验室空气和物体表面消毒效果进行了检测。
Measurement and Retrieval of Indicators for Fast VOCs Atmospheric Photochemistry with Differential Optical Absorption Spectroscopy;
差分吸收光谱法对大气中挥发性有机物光化学作用指示剂的监测与反演
Monitoring on validity of chemical indication cards of pressure-steam sterilization
压力蒸汽灭菌化学指示卡有效性的监测
general methods for the preparation of the indicators for chemical analysis
化学分析用指示剂制备方法
paper impregnated with an indicator for use in chemical tests.
用在化学实验中用的指示剂测验的纸。
depth deviation indicator
深度变化指示器水深变化指示器
The Geochemical Characteristics and Provenance of the Surface Sediment in South China Sea
南海表层沉积物地球化学特征及物源指示
Novel Fluorescence Sensors Based on Covalent Immobilization under UV Radiation of Fluorescent Carrier;
光共聚新型荧光指示剂的光化学传感器的研制
Enlightenment on Transformation of "Special Students"--Based on Rogers Non-directive Teaching;
罗杰斯“非指导性教学”对转化后进生的启示
Geochemical characteristics and its indicative signification in Gelesai field,Xinjiang
新疆戛勒赛地区地球化学特征及指示意义
Ground vegetation as indicators of topsoil chemical properties in Dongguan,South China
东莞地表植被对表层土壤化学特性的指示作用
The Design, Manufacture and Biomechanical Study of Individulized Metacarpophalangeal Prothesis Made of Titannium Alloy;
个体化钛合金示指掌指关节假体设计、制造和生物力学的研究
simplify the instructions so that children can understand them
简化指示便于儿童理解
Subjectification of There: From Deictic to Existential;
There的主观化—从指示到存在
He directed us practise frugality in running the school.
他指示我们勤俭办学。
The students went to their teacher for advice
学生们请示老师指教。
Chemical reagent--General method for the determination of pH ranges corresponding the colour transition of acid-base indicators
GB/T604-1988化学试剂酸碱指示剂pH变色域测定通用方法
The mathematical representation of a wave, especially a graph obtained by plotting a characteristic of the wave against time.
波形波的数学表示，尤指通过描绘波随时间变化特征而得到的图形
Analysis by volumetric procedures requires that some method of indicating the stoichiometric end point be employed.
用容量法进行分析时，需要使用一些指示化学当量终点的方法。
Geochemistry of Sediments in the Western Arctic Ocean and Implications of Spatial and Temporal Changes of Sedimentary Environments
北冰洋西部沉积物地球化学特征及环境指示意义