Soil water characteristic curve that is obtained from disturbed soil of different dry density and disturbed soil of different water treatment and farm intact soil is measured with the method of soil moisture pressure membrane.
用压力膜法测定了同一质地 (重壤土 )不同干容重装填土、不同水分处理装填土、农田原状土的水分特征曲线 ,通过土壤水分特征曲线 (θ- s)及土壤含水率 (θ)和当量孔径 (d)关系曲线的对照分析 ,发现干容重、水分处理及土壤的原状性对水分特征曲线有显著影响。
Improvements on the filling of ion exchange resin;
离子交换树脂装填方法改进
The process to replace the catalyst of shifting furnace was introduced for large-sized ammonia synthesis plant;the requirements of type selection and filling method for catalyst were discussed.
介绍了大型合成氨厂低变炉更换催化剂的过程;论述了催化剂的选型要求和装填方法;阐明了催化剂还原过程中从还原前升温到还原初期、主期及末期的操作步骤和要求。
Author has summarized the application situation of A203 type low temperature catalyst in 800 ammonia converter system,introduced the features and filling method of this catalyst;discussed the heating-reducing schemes and operating gists;through the comparison of production operation data,evaluation was made for application effect of A203 type ammonia synthesis catalyst.
介绍了该催化剂的特性和装填方法;论述了升温还原方案和操作要领;通过生产运行数据的比较,对A203型氨合成催化剂的应用效果进行了评价。
Data communication research on simulation system of laucher rocket loading training;
火箭炮装填训练摸拟系统数据通信研究
Design and Implementation of Visual Simulation System for Rocket Launcher Loading Training;
火箭炮装填训练视景仿真系统的设计与实现
Even and dense catalyst loading is one of the essential prerequisites for efficient operation and long tube life in a primary steam reforming furnace of all ammonia and methanol synthesis factory.
在蒸汽转化炉的炉管内,催化剂装填的均匀、结实程度是实现转化操作高效和延长炉管寿命的一个十分重要的先决条件。
Maximum caving degree algorithm for rectangle and circle packing problem;
求解矩形和圆形装填问题的最大穴度算法
Many factors on micro laboratory device for solid catalyst evaluation were discussed,including the structure of reactor,flow control pattern,catalyst packing and diluent selection.
在对环氧乙烷银催化剂的微反评价工艺进行改进的基础上,讨论了反应器结构、流量控制方式、催化剂装填方式、稀释剂选择等因素对固体催化剂微反评价系统的作用,以及对催化剂反应性能评价数据稳定性的影响。
One approach to load of stationary yeast is operated in fermentation tanks and the other one in yeast tanks.
对固定化酵母的两种装填方式进行比较 ,一种是在发酵罐中装填 ,一种是在酵母罐中装填。
Research Progress of Packing Structure in Catalytic Distillation Columns;
催化精馏塔装填方式的研究进展
Two new packing structures used in catalytic distillation column were proposed.
提出了两种新的催化剂装填方式,新的装填方式与以前的混装方式相比,具有结构简单,操作成本低,催化剂装填量小,装卸方便等优点。