您要查找的是不是：
- Reverse Circulation Technique with Down-hole Hammer Used in Water Well Drilling 水文水井潜孔锤反循环钻进技术
- Application of Air Lift Reverse Circulation Technique in Re-cleaning of Boring Concrete Piles 气举反循环工艺在钻孔桩二次清渣工序中的应用
- Discussion on Application Effect of Reverse Circulation Technique with Drilling Pale 钻孔桩反循环工艺应用效果初探
- reverse circulation technique 反循环
- Manufacture and improvement on self-propelled direct and reverse circulation construction drill is introduced with the main technique parameter,specification and pilot production. 介绍了自走式正反循环工程钻机的研制改进概况以及主要技术参数、性能特点、生产试验情况等。
- According to the exploration problems in an open-pit mine,a new drilling method using reverse circulation DTH hammer drill is put forward. 针对露天矿钻探施工中存在的问题,提出了利用贯通式反循环潜孔锤进行施工的新方法。
- The drill can be used in the drilling technologies of normal or reverse circulation in the quaternary period gravel or hand rock ground. 演练中，可用于钻井技术的正常或反循环在第四纪时期，砾石或手岩石地面。
- The procreative blanking plug of the "Y type" pipe string has check valve function and it can conveniently for reverse circulation well cleanup. 型管柱中的生产堵塞器具有单流阀作用,可方便进行反循环洗井;同时,具有独特外泄压系统,使堵塞器打捞在压力平衡状态下进行,且密封可靠,保证所取资料的准确性。
- ObjectTo study the application of ultrasonic circulation technique for the extraction of triterpenoids from Ganoderma lucidum (Leyss.ex Fr.) Karst. 目的研究超声循环技术在灵芝中三萜类化合物提取中的应用。
- Barge was used in sea pile construction,and FGC-15D large diameterwet reverse circulation DTH was adopted for hole completion. 利用驳船进行海上基桩施工，采用FGC-15D型大直径湿式反循环潜孔锤钻进成孔，满足施工工艺和工期要求。
- pump reverse circulation drilling technique 泵吸反循环钻进工艺
- The feasibility of the increase production of HDPE with the help of slurry outside circulation technique for the HDPE polymerizer in the Plastics Plant of Yangtse Co. 对扬子石油化工股份有限公司塑料厂高密度聚乙烯(HDPE)装置利用浆液外循环技术实现增产扩容的可行性进行了分析。
- The paper introduced the use of airlifting reverse circulation rotary drilling techniques in practice of major diameter socket pile operation at Xiangfan city s Hanjiang No. 介绍了使用泥浆护壁气举反循环回转钻进工艺进行襄樊汉江四桥大口径嵌岩桩的施工实践。
- Hot constringency packer adoption most forerunner of hot breeze circulation technique, pass auto the temperature modulator come to control temperature, efficiently economy energy. 热收缩包装机采用最先进的热风循环技术，通过自动温度调节器来控制温度，高效节能。
- The special reverse circulation swivel that matches with the improved shaft is developed.The construction and application of the swivel are introduced in this paper. 本文介绍了所设计的反循环水龙头的结构组成及其现场使用情况。
- Abstract: Rig GFC - 120 is a kind of self moving reverse circulation rotary rigs.It is mainly used to drill side foundation holes and small water wells. 中文摘要: GFC-120型钻机为自走式动力头回转反循环钻机，用于降水井和护坡桩基础孔以及小型水井的施工。
- reverse circulation gravel pack technique 反循环砾石充填技术
- The feasibility of the increase production of HDPE with the help of slurry outside circulation technique for the HDPE polymerizer in the Plastics Plant of Yangtse Co., Ltd. was analyzed. 摘要对扬子石油化工股份有限公司塑料厂高密度聚乙烯(HDPE)装置利用浆液外循环技术实现增产扩容的可行性进行了分析。
- This machine adopts two species of drillingtechnique of direct and reverse circulation, the efficiency enhances observably in the process of ovum, gravel and rock layer construction. 该机可采用正反循环两种钻进工艺，在卵、砾、岩层施工中，效率显著提高。
- Air driven hollow DTH hammer is applied,along with a set of dual wall drilling pipe and a specially designed reverse circulation bit,to conduct continuous coring reverse circulation drilling. 气动贯通式潜孔锤与双壁钻杆及专门研制的反循环钻头 (获国家发明专利 )配套使用 ,可实现反循环连续取心 (样 )钻进新工艺 ,连续获取的岩样采取率高 ,品质好 ,代表性强。
