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1 . Academic Journal
自进式直旋混合喷嘴的钻进性能研究 / Drilling Performance of Self-propelled Straight-Rotary Mixing Nozzle
저자
by
高军红
;
付必伟
;
董宗正
;
Gao Junhong
;
Fu Biwei
, et al.
소스
石油机械 / China Petroleum Machinery
. 50(9):72-78
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7 . Academic Journal
基于EASA的PDC钻头井底流场分析平台研究 / Study on the Bottom Hole Flow Field Analysis Plat form of PDC Bit
저자
by
况雨春
;
王芳
;
魏莉鸿
;
董宗正
;
罗金武
, et al.
소스
石油机械 / China Petroleum Machinery
. 45(3):11-15
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7 . Academic Journal
基于三坐标测量机的PDC钻头逆向工程研究
저자
by
董宗正
;
朱文锋
;
杨波
;
陆敏捷
.
소스
石油和化工设备 / Petro & Chemical Equipment
. (2):30-33
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6 . Academic Journal
基于Web服务的PDC钻头井底流场分析平台研究 / Research on the bottom hole flow field analysis platform of PDC bit based on Web service
저자
by
况雨春
;
王芳
;
魏莉鸿
;
董宗正
;
罗金武
, et al.
소스
工程设计学报 / Chinese Journal of Engineering Design
. 24(4):380-386
Scopus
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7 . Academic Journal
PDC钻头布齿参数分析系统开发及应用 / Developing and application of teeth-arrangement parameter system for PDCbit
저자
by
董宗正
;
况雨春
;
任海涛
;
李友兴
;
郭迎春
, et al.
소스
中国科技论文 / China Sciencepaper
. 11(10):1104-1107
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7 . Academic Journal
复杂螺旋面包络铣刀位轨迹仿真方法 / Tool Path Simulation of Envelope Milling of Complex Helical Surface
저자
by
况雨春
;
吴龙梅
;
屠俊文
;
吴英强
;
董宗正
, et al.
소스
西南石油大学学报(自然科学版)
. 38(3):170-177
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7 . Academic Journal
基于CFD的高压水射流喷嘴流场仿真分析
저자
by
董宗正
;
付必伟
;
郭灿
;
席燕卿
.
소스
石油和化工设备 / Petro & Chemical Equipment
. 19(7):20-23
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6 . Academic Journal
猫道机踢出装置同步问题的探讨 / Discussion about synchronous issue of power catwalk's kick-out device
저자
by
李友兴
;
董宗正
;
刘永胜
;
樊春明
;
LI You-xing
, et al.
소스
船舶 / Ship & Boat
. 27(6):87-93
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7 . Academic Journal
螺杆钻具定子衬套收缩变形数值仿真方法 / A Numerical Simulation Method for Shrinkage of Screw Stator Bushing
저자
by
舒峰
;
胡少华
;
况雨春
;
董宗正
;
SHU Feng
, et al.
소스
石油矿场机械 / Oil Field Equipment
. (8):16-20
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7 . Academic Journal
螺旋曲面加工刀位轨迹数值算法研究与应用 / Study and Applications of Tool Path Numerical Algorithm of Complex Helical Surface Manufacture
저자
by
况雨春
;
吴龙梅
;
董宗正
;
Kuang Yuchun
;
Wu Longmei
, et al.
소스
中国机械工程 / China Mechanical Engineering
. (15):2044-2049
Scopus
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