database / geological survey engineering 1. 引言 钻孔是具有狭小地表面积和一定深度的三维柱状体,平面上可通过点状实体存储表示。对于获得地下地层、构造、含水量等信息来说,钻探无疑是最有效的手段。钻孔数据是钻探工作的主要成果,称得上是最直接、最可靠的地下空间信息源(唐丙寅,2015)。第四系钻孔数据则是解...
the nephrology department has become a affiliated unit of "quality management and control center of blood purification in Hebei Province", the "Management Branch of blood purification center of Hebei Hospital Association", "nephrology Professional Committee of Hebei Pharmaceutical Association" and "blood ...
Ouhuang Engineering Materials (Hubei) Co., Ltd 2024-04-25 Dodecyl gallate $32.00/1kg VIP2Y Henan Fengda Chemical Co., Ltd 2024-03-28 Dodecyl gallate $5.00/25kg VIP6Y Jinan Finer Chemical Co., Ltd 2022-06-29 Hebei Mujin Biotechnology Co.,Ltd ...
database / 1∶50 000 / North China craton / mineral geological map / Zhaochuan Map-sheet / geological survey engineering / Hebei References [1] Bao Z W, Sun W D, Li C J, Zhao Z H. 2014. U–Pb dating of hydrothermal zircon from the Dongping gold deposit in North China...
QM Yuan,YH Bai - 《Value Engineering》 被引量: 0发表: 2018年 Has air pollution emission level in the Beijing-Tianjin-Hebei region peaked? A panel data analysis The Beijing-Tianjin-Hebei (BTH) region is one of the important economic centers of China, but it suffers from severe air pollutio...
Scope of useIt is mainly suitable for multi-stage hydraulic torque converter and hydraulic coupling of large and super heavy off-road transport vehicles, especially the latest hydraulic transmission system for super large mountain transport vehicles and special engineering vehicles. ...
Using the panel data of 13 cities in Beijing-Tianjin-Hebei region for 2003-2016 years, this paper constructs a spatial measurement model based on three dif... W Hui,M Zhang - International Conference on Industrial Economics System & Industrial Security Engineering 被引量: 0发表: 0年 加载更多...
Yuling Zhang,Tong Li,Yuejian Hua - 2024 17th International Convention on Rehabilitation Engineering and Assistive Technology (i-CREATe) 被引量: 0 Cultivation and Implementation Path of Core Quality of Art and Design Talents Under the Background of Artificial Intelligence AI has driven the process ...
DEAR Air Separation Hebei project orderly installation,Multimedia dynamic display, more exciting videos are on the official website of DEAR Air Separation.
Telephone: Zip Code: Fax: Pleasesign into view contact details Account Registered in: 2003 Business Range: Health & Medicine Business Type: Trading Company Company Introduction We have been dedicated to exporting of China pharmaceutical raw materials and other chemicals for more than 10 years. There...