1.
Clean Production of Lanthanum Acetate

制备醋酸镧的清洁生产循环工艺研究
2.
Research on Reverse Circulation Technology of Drill Dregs Removal in Trenchless Technology
非开挖施工中反循环清渣工艺的研究
3.
Study on preparation of actived clay with hydrochloric acid by waste acid recycle technology
盐酸废酸循环制备活性白土工艺研究
4.
New closed recirculation process for recycling tail gas from polymerization of vinyl chloride
氯乙烯聚合尾气闭路循环回用新工艺
5.
Syngas methanation with reaction heat carried by steam recycling generated from waste heat
余热蒸汽循环载热的煤气甲烷化工艺
6.
Introduction of Energy-efficient Solution total Recycle Urea Production Technique

节能型水溶液全循环法尿素生产工艺
7.
Treatment of coking wastewater by physicochemical and internal circulation combined process
物化及内循环组合工艺处理焦化废水
8.
Discussion on reformation of flotation tailings process and implementation of washing water close-cycling
改造浮选尾煤工艺 实现洗水闭路循环
9.
Hole Clearing by air-lift reverse circulation method in bored piles

冲(钻)孔灌注桩气举反循环清孔工艺
10.
Construction Technology of Cast-in-situ Bored Pile Applying Positive Circulation Boring Machine and Process Quality Control;
正循环钻孔灌注桩施工工艺及其工序质量控制
11.
state of cyclic operation

循环操作状态, 循环工况
12.
The Application of Pump Reverse Circulation Drilling Technique in Dewater Construction

泵吸反循环钻进工艺在降水工程中的应用
13.
The Parameters Optimization of the Reverse Circulation DTH Hammer and Studies on Its Drilling Technique;
全孔反循环潜孔锤参数优化及其钻进工艺研究
14.
The Process Experiment Research of the Cyclically Superimposed Energy-Saving Pulse Generator;
循环叠加斩波式节能脉冲电源的工艺实验研究
15.
The Research on Cyclic Pressing of Large Dimension 7075/SiCp Composite;

大尺寸7075/SiCp复合材料循环压制工艺的研究
16.
Study on Performance of Circulated Moving Carrier Biofilm Reactor;

循环移动载体生物膜反应器工艺性能的研究
17.
Technical Study on Dryer System of ABS Plant Revamping into Nitrogen Circulation;

ABS装置干燥系统改为氮气循环的工艺研究
18.
External Circulating Moving Bed Catalytic Gasification of Biomass for Hydrogen;

外循环移动床生物质催化气化制氢工艺研究