Static and strength analysis of APR testing string in deep wells;
深井APR测试管柱的力学分析与强度评定
Structure of testing string of MFE, MLE and APR is studied and advantage or shortage of them is analyzed.
通过对MFE测试管柱、MLT测试管柱、APR测试管柱结构进行研究,分析了三种测试管柱在开关井操作中的优缺点,针对不同的井况对测试管柱进行了优选。
It is to preliminarily discuss the definition, function, selection of mixing substance, the reason of tube breaking and its countermeasure in the experiment of preparing methane.
对甲烷制备实验中掺入物的界定、作用、选择和试管破裂原因及对策等方面进行了初步探讨。
Based on the experiment,the enumeration method of Bifidobacterium by rectangular test tube was put forward,according to the anaerobic specificity of double layer half solid culture.
利用双层半固体培养基具有良好厌氧性的特性,在实验的基础上,提出了采用方形试管对双歧杆菌进行计数的方法,介绍了该方法的基本原理和操作步骤。
Rapid detecting of Fe in water—research of test tube method;
水中铁快速检测——测试管法研究
Effect of culture medium components on growth and development of plantlets from Rechmannia glutinosa f. huechingensis;
培养基成分对怀地黄试管苗生长发育的影响
Influence of subculture cycle on tube plantlet growth of Dendrobium huoshanense and medium composition;
继代周期对霍山石斛试管苗生长及培养基成分的影响
Effects of PP_(333) on morphological and physiological characteristics of Rehmannia glutinosa Libosch plantlets;
PP_(333)对怀地黄试管苗形态及生理特性的影响