CUTTINGS

作品数：77被引量：119H指数：6
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相关领域：农业科学更多>>
相关作者：张志毅林善枝苏晓华胡增辉张雯更多>>
相关机构：北京林业大学福建农林大学北京植物园中国林业科学研究院更多>>
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相关基金：国家自然科学基金国家高技术研究发展计划国家教育部博士点基金北京市自然科学基金更多>>
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Perspective for Vegetative Reproduction of Eleaagnus macrophylla Thunb Species and Shepherdia canadensis (L.) Nutt
《American Journal of Plant Sciences》2025年第1期22-27,共6页Norkulova Lobar Uchkunovna Haydarov Khislat Kudratovich 
Elaeagnaceae Juss. belongs to the family Elaeagnus L. and Shepherdia Nutt. This study aims at the significance and vegetative reproduction of species of the family (Elaeagnus macrophylla Thunb. and Shepherdia canadens...
关键词：ELAEAGNACEAE ELAEAGNUS Shepherdia Vegetative Reproduction ATTRACTIVENESS Bioactive Compound BUSH and Cuttings 
Research on the cuttings discharge in air cushion chamber of slurry shield based on CFD-DEM coupling method Author links open overlay panel
《Particuology》2024年第8期88-105,共18页Han Wang Wantao Ding Weimin Yang Chengzhen Wang Wenduan Yu Zhicheng Wang 
support from the National Natural Science Foundation of China(grant number 52278403);the Natural Science Foundation of Shandong Province(grant number ZR2021ME135).
The rapid discharge of cuttings from the air cushion chamber is crucial for the construction safety and excavation efficiency of the slurry shield.Previous studies have mainly focused on the transport characteristics ...
关键词：Slurry shield CFD-DEM coupling method Cuttings discharge Aircushion chamber Slurry discharge pipe 
Prediction of Cuttings-Induced Annular-Pressure Loss in Extended-Reach Wells
《Fluid Dynamics & Materials Processing》2023年第11期2877-2890,共14页Long Wang Qingyun Shen Gui Wang 
supported by the Sinopec Scientific Research Project“Demonstration of Engineering Technology for Ultra-Deep Drilling and Completion in Tarim Basin”(No.P21081-6);the National Natural Science Foundation of China Project“Mesoscopic Simulation of Dynamic Behavior of Bridging Particles Forfractured Thief Zone”(No.51604237).
Drill cuttings are broken bits of solid material removed from a borehole drilled by rotary,percussion,or auger methods and brought to the surface in the drilling mud.When these cuttings enter the annulus,they have an ...
关键词：Pressure loss CUTTINGS extended-reach well yield-power law model drillingfluid 
Hydraulic modeling and optimization of jet mill bit considering the characteristics of depressurization and cuttings cleaning
《Petroleum Science》2023年第5期3085-3099,共15页Tong Cao Xu-Yue Chen Kai-An Yu Lin Tang 
financially supported by Youth Project of Natural Science Basic Research Program of Shaanxi Province(Grant number:2023-JC-QN-0538);Scientifical Research Program for Youth Innovation Team Construction of Shaanxi Provincial Department of Education(Grant number:21JP054,22JP032);National Natural Science Foundation of China(Grant numbers:52174012,51804322,51821092,51774301,U1762214);Open Fund(PLC 20210404)of State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation(Chengdu University of Technology)。
A jet mill bit(JMB)is proposed to increase the drilling efficiency and safety of horizontal wells,which has the hydraulic characteristics of depressurization and cuttings cleaning.This paper fills the gap in the hydra...
关键词：Jet mill bit Hydraulic depressurization model Hydraulic cuttings cleaning model Parametric study Hydraulic optimization 
Experimental investigation on the cuttings formation process and its relationship with cutting force in single PDC cutter tests
《Petroleum Science》2023年第3期1779-1787,共9页Xian-Wei Dai Zhong-Wei Huang Tao Huang Peng-Ju Chen Huai-Zhong Shi Shuang Yan 
support from the National Natural Science Foundation of China(52204004);the National Science Fund for Distinguished Young Scholars(51725404)。
The single polycrystalline diamond compact(PDC)cutter test is widely used to investigate the mecha-nism of rock-breaking.The generated cuttings and cutting force are important indexes reflecting the rock failure proce...
关键词：Rock breaking Cutting force PDC cutter CUTTINGS 
Seed Germination and Vegetative Propagation of Promising Decorative Lonicera tatarica L. (Caprifoliaceae Juss.), Introduced into the Tashkent Botanical Garden (Uzbekistan)
《American Journal of Plant Sciences》2023年第4期496-505,共10页Sobitjon S. Nosirov Nargiza K. Rakhimova Asilbek Kh. Matismoilov 
Seed germination (in laboratory and field conditions) and vegetative reproduction (by cuttings) of a promising decorative species—Lonicera tatarica L. (Caprifoliaceae Juss.) was studied for the first time in the cond...
关键词：Lonicera tatarica Introduction Promising DECORATIVE Seed Germination Vegetative Reproduction CUTTINGS Tashkent Botanical Garden Uzbekistan 
Fracture development during disposal of hazardous drilling cuttings by deep underground injection: A review被引量：1
《Journal of Rock Mechanics and Geotechnical Engineering》2022年第5期1652-1670,共19页Shuai Zhang Yongcun Feng Bin Li Jingen Deng Tie Geng Jincai Zhang 
financially supported by National Natural Science Foundation of China(Grant Nos.52074312 and 52004298)。
Drilling fluids with complicated compositions are becoming more common as the oil and gas industry develops. The production of hazardous cuttings is increasing, which not only stifles the oil and gas industry’s devel...
关键词：Hazardous drilling cuttings Cuttings disposal Cuttings re-injection Fracture development Multiple fractures 
Pneumatic separation system for collected seedlings using subdivided air streams
《International Journal of Agricultural and Biological Engineering》2022年第2期84-92,共9页Delong Jiang Song Gu Qi Chu Yanli Yang Meizhang Gu Yi Yang 
This work was supported in part by the National key research and development program(Grant No.2021YFD2000700);Guangdong Provincial Special Fund for Modern Agriculture Industry Technology Innovation Teams(No.2022KJ131).
To adhere to the needs of automated supply of collected seedlings for mechanized grafting and cutting machines for enhancing their operational efficiency,herein,a separation system that uses subdivided air streams to ...
关键词：GRAFTING CUTTINGS pneumatic separation system continuous separation subdivided air stream separation speed 
Modeling and simulation of non-isothermal three-phase flow for accurate prediction in underbalanced drilling
《Petroleum Exploration and Development》2022年第2期406-414,共9页FALAVAND-JOZAEI A HAJIDAVALLOO E SHEKARI Y GHOBADPOURI S 
The present study aims at investigating the effect of temperature variation due to heat transfer between the formation and drilling fluids considering influx from the reservoir in the underbalanced drilling condition....
关键词：under-balanced drilling bottom-hole pressure fluid temperature CUTTINGS three-phase flow model temperature profile wellbore heat transfer 
Numerical Simulation and Measurement of Air Temperature and Relative Humidity in an Olive Cuttings Tunnel Greenhouse
《Open Journal of Modelling and Simulation》2022年第1期32-47,共16页Sanae Chakir Adil Bekraoui Hassan Majdoubi Allal Senhaji Mhamed Mouqallid 
Understanding the environment of olive tree cuttings is a key factor in improving these plants’ rooting rate and survival. This study aims to develop 由于版权政策及相关保密法规原因，条结果未予显示。
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